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