2008 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware4 * monitoring5 * 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 ISA16 * 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 not26 * supported yet.27 */28 29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt30 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 46static struct platform_device *pdev;47 48#define DRVNAME "w83627hf"49enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };50 51struct w83627hf_sio_data {52 enum chips type;53 int sioaddr;54};55 56static u8 force_i2c = 0x1f;57module_param(force_i2c, byte, 0);58MODULE_PARM_DESC(force_i2c,59 "Initialize the i2c address of the sensors");60 61static bool init = 1;62module_param(init, bool, 0);63MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");64 65static unsigned short force_id;66module_param(force_id, ushort, 0);67MODULE_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 0x0074#define W83627HF_LD_PRT 0x0175#define W83627HF_LD_UART1 0x0276#define W83627HF_LD_UART2 0x0377#define W83627HF_LD_KBC 0x0578#define W83627HF_LD_CIR 0x06 /* w83627hf only */79#define W83627HF_LD_GAME 0x0780#define W83627HF_LD_MIDI 0x0781#define W83627HF_LD_GPIO1 0x0782#define W83627HF_LD_GPIO5 0x07 /* w83627thf only */83#define W83627HF_LD_GPIO2 0x0884#define W83627HF_LD_GPIO3 0x0985#define W83627HF_LD_GPIO4 0x09 /* w83627thf only */86#define W83627HF_LD_ACPI 0x0a87#define W83627HF_LD_HWM 0x0b88 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 99static inline void100superio_outb(struct w83627hf_sio_data *sio, int reg, int val)101{102 outb(reg, sio->sioaddr);103 outb(val, sio->sioaddr + 1);104}105 106static inline int107superio_inb(struct w83627hf_sio_data *sio, int reg)108{109 outb(reg, sio->sioaddr);110 return inb(sio->sioaddr + 1);111}112 113static inline void114superio_select(struct w83627hf_sio_data *sio, int ld)115{116 outb(DEV, sio->sioaddr);117 outb(ld, sio->sioaddr + 1);118}119 120static inline int121superio_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 132static inline void133superio_exit(struct w83627hf_sio_data *sio)134{135 outb(0xAA, sio->sioaddr);136 release_region(sio->sioaddr, 2);137}138 139#define W627_DEVID 0x52140#define W627THF_DEVID 0x82141#define W697_DEVID 0x60142#define W637_DEVID 0x70143#define W687THF_DEVID 0x85144#define WINB_ACT_REG 0x30145#define WINB_BASE_REG 0x60146/* Constants specified below */147 148/* Alignment of the base address */149#define WINB_ALIGNMENT ~7150 151/* Offset & size of I/O region we are interested in */152#define WINB_REGION_OFFSET 5153#define WINB_REGION_SIZE 2154 155/* Where are the sensors address/data registers relative to the region offset */156#define W83781D_ADDR_REG_OFFSET 0157#define W83781D_DATA_REG_OFFSET 1158 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 0x152173#define W83627HF_REG_TEMP3_CONFIG 0x252174/* these are zero-based, unlike config constants above */175static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 };176static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 };177static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 };178 179#define W83781D_REG_BANK 0x4E180 181#define W83781D_REG_CONFIG 0x40182#define W83781D_REG_ALARM1 0x459183#define W83781D_REG_ALARM2 0x45A184#define W83781D_REG_ALARM3 0x45B185 186#define W83781D_REG_BEEP_CONFIG 0x4D187#define W83781D_REG_BEEP_INTS1 0x56188#define W83781D_REG_BEEP_INTS2 0x57189#define W83781D_REG_BEEP_INTS3 0x453190 191#define W83781D_REG_VID_FANDIV 0x47192 193#define W83781D_REG_CHIPID 0x49194#define W83781D_REG_WCHIPID 0x58195#define W83781D_REG_CHIPMAN 0x4F196#define W83781D_REG_PIN 0x4B197 198#define W83781D_REG_VBAT 0x5D199 200#define W83627HF_REG_PWM1 0x5A201#define W83627HF_REG_PWM2 0x5B202 203static const u8 W83627THF_REG_PWM_ENABLE[] = {204 0x04, /* FAN 1 mode */205 0x04, /* FAN 2 mode */206 0x12, /* FAN AUX mode */207};208static 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 216static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };217static 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 228static 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 46870233 234#define W83781D_REG_I2C_ADDR 0x48235#define W83781D_REG_I2C_SUBADDR 0x4A236 237/* Sensor selection */238#define W83781D_REG_SCFG1 0x5D239static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };240#define W83781D_REG_SCFG2 0x59241static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };242#define W83781D_DEFAULT_BETA 3435243 244/*245 * Conversions. Limit checking is only done on the TO_REG246 * variants. Note that you should be a bit careful with which arguments247 * 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 253static 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 complement267 */268static 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 275static 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 284static 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}290static 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 frequency296 */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 305static 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}316static 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 334static 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 */350struct 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 = manual375 * 2 = thermal cruise (also called SmartFan I)376 * 3 = fan speed cruise377 */378 u8 pwm_freq[3]; /* Register value */379 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;380 * 4 = thermistor381 */382 u8 vrm;383 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */384 385#ifdef CONFIG_PM386 /* Remember extra register values over suspend/resume */387 u8 scfg1;388 u8 scfg2;389#endif390};391 392/* Registers 0x50-0x5f are banked */393static 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 */402static 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 410static 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 435static 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 459static 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 477static 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_PM572static 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 584static 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 627static 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#else634#define W83627HF_DEV_PM_OPS NULL635#endif /* CONFIG_PM */636 637static 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 input665 * 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 677exit:678 superio_exit(sio_data);679 return res;680}681 682static 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 715exit:716 superio_exit(sio_data);717 return res;718}719 720static 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_value758 (data,759 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])760 data->sens[i - 1] = 1;761 else762 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 */804static 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->type810 || w83687thf == data->type))811 812 /* use VRM9 calculation */813 in0 = (long)((reg * 488 + 70000 + 50) / 100);814 else815 /* use VRM8 (standard) calculation */816 in0 = (long)IN_FROM_REG(reg);817 818 return sprintf(buf,"%ld\n", in0);819}820 821static 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}827static DEVICE_ATTR_RO(in0_input);828 829static 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 836static 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->type852 || w83687thf == data->type))853 854 /* use VRM9 calculation */855 data->in_min[0] =856 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);857 else858 /* 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 866static DEVICE_ATTR_RW(in0_min);867 868static 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 875static 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->type891 || w83687thf == data->type))892 893 /* use VRM9 calculation */894 data->in_max[0] =895 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);896 else897 /* 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 905static DEVICE_ATTR_RW(in0_max);906 907static ssize_t908alarm_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 915static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);916static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);917static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);918static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);919static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);920static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);921static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);922static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);923static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);924static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);925static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);926static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);927static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);928static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);929static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);930 931static ssize_t932beep_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 939static ssize_t940beep_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 else960 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 else967 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 else974 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 else981 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 989static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);990static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);991static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);992static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);993static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);994static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);995static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);996static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);997static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);998static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);999static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);1000static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);1001static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);1002static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);1003static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);1004static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);1005 1006static ssize_t1007in_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 1014static ssize_t1015in_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 1022static ssize_t1023in_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 1042static ssize_t1043in_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 1050static ssize_t1051in_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 1070static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);1071static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);1072static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);1073static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);1074static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);1075static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);1076static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);1077static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);1078static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);1079static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);1080static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);1081static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);1082static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);1083static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);1084static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);1085static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);1086static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);1087static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);1088static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);1089static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);1090static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);1091static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);1092static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);1093static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);1094 1095static ssize_t1096fan_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 1105static ssize_t1106fan_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 1114static ssize_t1115fan_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 1136static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);1137static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);1138static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);1139static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);1140static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);1141static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);1142 1143static ssize_t1144fan_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 is1154 * determined in part by the fan divisor. This follows the principle of1155 * least surprise; the user doesn't expect the fan minimum to change just1156 * because the divisor changed.1157 */1158static ssize_t1159fan_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 1199static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);1200static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);1201static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);1202 1203static ssize_t1204temp_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 1214static ssize_t1215temp_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 1225static ssize_t1226temp_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 1247static ssize_t1248temp_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 1259static ssize_t1260temp_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 1281static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);1282static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);1283static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);1284static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);1285static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);1286static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);1287static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);1288static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);1289static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);1290 1291static ssize_t1292temp_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 1300static ssize_t1301temp_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 1356static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);1357static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);1358static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);1359 1360static ssize_t1361alarms_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}1366static 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.attr1374 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.attr1381 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.attr1389 1390static ssize_t1391beep_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 1398static ssize_t1399beep_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 1426static DEVICE_ATTR_RW(beep_mask);1427 1428static ssize_t1429pwm_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 1436static ssize_t1437pwm_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 1470static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);1471static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);1472static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);1473 1474static ssize_t1475name_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 1482static DEVICE_ATTR_RO(name);1483 1484static 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 NULL1510};1511 1512static const struct attribute_group w83627hf_group = {1513 .attrs = w83627hf_attributes,1514};1515 1516static ssize_t1517pwm_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 else1525 return sprintf(buf, "%ld\n",1526 pwm_freq_from_reg(data->pwm_freq[nr]));1527}1528 1529static ssize_t1530pwm_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 1561static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);1562static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);1563static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);1564 1565static ssize_t1566cpu0_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 1572static DEVICE_ATTR_RO(cpu0_vid);1573 1574static ssize_t1575vrm_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 1581static ssize_t1582vrm_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 1600static DEVICE_ATTR_RW(vrm);1601 1602static ssize_t1603pwm_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 1611static ssize_t1612pwm_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 1637static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);1638static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);1639static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);1640 1641static 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 NULL1659};1660 1661static const struct attribute_group w83627hf_group_opt = {1662 .attrs = w83627hf_attributes_opt,1663};1664 1665static 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 == w83637hf1787 || 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 == w83637hf1810 || 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 1831static 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 1841static 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 1850static 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 1918static 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 1961exit_device_put:1962 platform_device_put(pdev);1963exit:1964 return err;1965}1966 1967static 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 1988exit_driver:1989 platform_driver_unregister(&w83627hf_driver);1990exit:1991 return err;1992}1993 1994static void __exit sensors_w83627hf_exit(void)1995{1996 platform_device_unregister(pdev);1997 platform_driver_unregister(&w83627hf_driver);1998}1999 2000MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "2001 "Philip Edelbrock <phil@netroedge.com>, "2002 "and Mark Studebaker <mdsxyz123@yahoo.com>");2003MODULE_DESCRIPTION("W83627HF driver");2004MODULE_LICENSE("GPL");2005 2006module_init(sensors_w83627hf_init);2007module_exit(sensors_w83627hf_exit);2008