1/*
   2    w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3                monitoring
   4    Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5    Philip Edelbrock <phil@netroedge.com>,
   6    and Mark Studebaker <mdsxyz123@yahoo.com>
   7    Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8    Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23*/
  24
  25/*
  26    Supports following chips:
  27
  28    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
  29    w83627hf	9	3	2	3	0x20	0x5ca3	no	yes(LPC)
  30    w83627thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
  31    w83637hf	7	3	3	3	0x80	0x5ca3	no	yes(LPC)
  32    w83687thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
  33    w83697hf	8	2	2	2	0x60	0x5ca3	no	yes(LPC)
  34
  35    For other winbond chips, and for i2c support in the above chips,
  36    use w83781d.c.
  37
  38    Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39    supported yet.
  40*/
  41
  42#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44#include <linux/module.h>
  45#include <linux/init.h>
  46#include <linux/slab.h>
  47#include <linux/jiffies.h>
  48#include <linux/platform_device.h>
  49#include <linux/hwmon.h>
  50#include <linux/hwmon-sysfs.h>
  51#include <linux/hwmon-vid.h>
  52#include <linux/err.h>
  53#include <linux/mutex.h>
  54#include <linux/ioport.h>
  55#include <linux/acpi.h>
  56#include <linux/io.h>
  57#include "lm75.h"
  58
  59static struct platform_device *pdev;
  60
  61#define DRVNAME "w83627hf"
  62enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  63
  64struct w83627hf_sio_data {
  65	enum chips type;
  66	int sioaddr;
  67};
  68
  69static u8 force_i2c = 0x1f;
  70module_param(force_i2c, byte, 0);
  71MODULE_PARM_DESC(force_i2c,
  72		 "Initialize the i2c address of the sensors");
  73
  74static int init = 1;
  75module_param(init, bool, 0);
  76MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  77
  78static unsigned short force_id;
  79module_param(force_id, ushort, 0);
  80MODULE_PARM_DESC(force_id, "Override the detected device ID");
  81
  82/* modified from kernel/include/traps.c */
  83#define	DEV	0x07	/* Register: Logical device select */
  84
  85/* logical device numbers for superio_select (below) */
  86#define W83627HF_LD_FDC		0x00
  87#define W83627HF_LD_PRT		0x01
  88#define W83627HF_LD_UART1	0x02
  89#define W83627HF_LD_UART2	0x03
  90#define W83627HF_LD_KBC		0x05
  91#define W83627HF_LD_CIR		0x06 /* w83627hf only */
  92#define W83627HF_LD_GAME	0x07
  93#define W83627HF_LD_MIDI	0x07
  94#define W83627HF_LD_GPIO1	0x07
  95#define W83627HF_LD_GPIO5	0x07 /* w83627thf only */
  96#define W83627HF_LD_GPIO2	0x08
  97#define W83627HF_LD_GPIO3	0x09
  98#define W83627HF_LD_GPIO4	0x09 /* w83627thf only */
  99#define W83627HF_LD_ACPI	0x0a
 100#define W83627HF_LD_HWM		0x0b
 101
 102#define	DEVID	0x20	/* Register: Device ID */
 103
 104#define W83627THF_GPIO5_EN	0x30 /* w83627thf only */
 105#define W83627THF_GPIO5_IOSR	0xf3 /* w83627thf only */
 106#define W83627THF_GPIO5_DR	0xf4 /* w83627thf only */
 107
 108#define W83687THF_VID_EN	0x29 /* w83687thf only */
 109#define W83687THF_VID_CFG	0xF0 /* w83687thf only */
 110#define W83687THF_VID_DATA	0xF1 /* w83687thf only */
 111
 112static inline void
 113superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 114{
 115	outb(reg, sio->sioaddr);
 116	outb(val, sio->sioaddr + 1);
 117}
 118
 119static inline int
 120superio_inb(struct w83627hf_sio_data *sio, int reg)
 121{
 122	outb(reg, sio->sioaddr);
 123	return inb(sio->sioaddr + 1);
 124}
 125
 126static inline void
 127superio_select(struct w83627hf_sio_data *sio, int ld)
 128{
 129	outb(DEV, sio->sioaddr);
 130	outb(ld,  sio->sioaddr + 1);
 131}
 132
 133static inline void
 134superio_enter(struct w83627hf_sio_data *sio)
 135{
 136	outb(0x87, sio->sioaddr);
 137	outb(0x87, sio->sioaddr);
 138}
 139
 140static inline void
 141superio_exit(struct w83627hf_sio_data *sio)
 142{
 143	outb(0xAA, sio->sioaddr);
 144}
 145
 146#define W627_DEVID 0x52
 147#define W627THF_DEVID 0x82
 148#define W697_DEVID 0x60
 149#define W637_DEVID 0x70
 150#define W687THF_DEVID 0x85
 151#define WINB_ACT_REG 0x30
 152#define WINB_BASE_REG 0x60
 153/* Constants specified below */
 154
 155/* Alignment of the base address */
 156#define WINB_ALIGNMENT		~7
 157
 158/* Offset & size of I/O region we are interested in */
 159#define WINB_REGION_OFFSET	5
 160#define WINB_REGION_SIZE	2
 161
 162/* Where are the sensors address/data registers relative to the region offset */
 163#define W83781D_ADDR_REG_OFFSET 0
 164#define W83781D_DATA_REG_OFFSET 1
 165
 166/* The W83781D registers */
 167/* The W83782D registers for nr=7,8 are in bank 5 */
 168#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 169					   (0x554 + (((nr) - 7) * 2)))
 170#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 171					   (0x555 + (((nr) - 7) * 2)))
 172#define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 173					   (0x550 + (nr) - 7))
 174
 175/* nr:0-2 for fans:1-3 */
 176#define W83627HF_REG_FAN_MIN(nr)	(0x3b + (nr))
 177#define W83627HF_REG_FAN(nr)		(0x28 + (nr))
 178
 179#define W83627HF_REG_TEMP2_CONFIG 0x152
 180#define W83627HF_REG_TEMP3_CONFIG 0x252
 181/* these are zero-based, unlike config constants above */
 182static const u16 w83627hf_reg_temp[]		= { 0x27, 0x150, 0x250 };
 183static const u16 w83627hf_reg_temp_hyst[]	= { 0x3A, 0x153, 0x253 };
 184static const u16 w83627hf_reg_temp_over[]	= { 0x39, 0x155, 0x255 };
 185
 186#define W83781D_REG_BANK 0x4E
 187
 188#define W83781D_REG_CONFIG 0x40
 189#define W83781D_REG_ALARM1 0x459
 190#define W83781D_REG_ALARM2 0x45A
 191#define W83781D_REG_ALARM3 0x45B
 192
 193#define W83781D_REG_BEEP_CONFIG 0x4D
 194#define W83781D_REG_BEEP_INTS1 0x56
 195#define W83781D_REG_BEEP_INTS2 0x57
 196#define W83781D_REG_BEEP_INTS3 0x453
 197
 198#define W83781D_REG_VID_FANDIV 0x47
 199
 200#define W83781D_REG_CHIPID 0x49
 201#define W83781D_REG_WCHIPID 0x58
 202#define W83781D_REG_CHIPMAN 0x4F
 203#define W83781D_REG_PIN 0x4B
 204
 205#define W83781D_REG_VBAT 0x5D
 206
 207#define W83627HF_REG_PWM1 0x5A
 208#define W83627HF_REG_PWM2 0x5B
 209
 210static const u8 W83627THF_REG_PWM_ENABLE[] = {
 211	0x04,		/* FAN 1 mode */
 212	0x04,		/* FAN 2 mode */
 213	0x12,		/* FAN AUX mode */
 214};
 215static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 216
 217#define W83627THF_REG_PWM1		0x01	/* 697HF/637HF/687THF too */
 218#define W83627THF_REG_PWM2		0x03	/* 697HF/637HF/687THF too */
 219#define W83627THF_REG_PWM3		0x11	/* 637HF/687THF too */
 220
 221#define W83627THF_REG_VRM_OVT_CFG 	0x18	/* 637HF/687THF too */
 222
 223static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 224static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 225                             W83627THF_REG_PWM3 };
 226#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 227				    regpwm_627hf[nr] : regpwm[nr])
 228
 229#define W83627HF_REG_PWM_FREQ		0x5C	/* Only for the 627HF */
 230
 231#define W83637HF_REG_PWM_FREQ1		0x00	/* 697HF/687THF too */
 232#define W83637HF_REG_PWM_FREQ2		0x02	/* 697HF/687THF too */
 233#define W83637HF_REG_PWM_FREQ3		0x10	/* 687THF too */
 234
 235static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 236					W83637HF_REG_PWM_FREQ2,
 237					W83637HF_REG_PWM_FREQ3 };
 238
 239#define W83627HF_BASE_PWM_FREQ	46870
 240
 241#define W83781D_REG_I2C_ADDR 0x48
 242#define W83781D_REG_I2C_SUBADDR 0x4A
 243
 244/* Sensor selection */
 245#define W83781D_REG_SCFG1 0x5D
 246static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 247#define W83781D_REG_SCFG2 0x59
 248static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 249#define W83781D_DEFAULT_BETA 3435
 250
 251/* Conversions. Limit checking is only done on the TO_REG
 252   variants. Note that you should be a bit careful with which arguments
 253   these macros are called: arguments may be evaluated more than once.
 254   Fixing this is just not worth it. */
 255#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 
 
 256#define IN_FROM_REG(val) ((val) * 16)
 257
 258static inline u8 FAN_TO_REG(long rpm, int div)
 259{
 260	if (rpm == 0)
 261		return 255;
 262	rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 263	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 264			     254);
 265}
 266
 267#define TEMP_MIN (-128000)
 268#define TEMP_MAX ( 127000)
 269
 270/* TEMP: 0.001C/bit (-128C to +127C)
 271   REG: 1C/bit, two's complement */
 
 
 272static u8 TEMP_TO_REG(long temp)
 273{
 274        int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 275        ntemp += (ntemp<0 ? -500 : 500);
 276        return (u8)(ntemp / 1000);
 277}
 278
 279static int TEMP_FROM_REG(u8 reg)
 280{
 281        return (s8)reg * 1000;
 282}
 283
 284#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 285
 286#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 287
 288static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 289{
 290	unsigned long freq;
 291	freq = W83627HF_BASE_PWM_FREQ >> reg;
 292	return freq;
 293}
 294static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 295{
 296	u8 i;
 297	/* Only 5 dividers (1 2 4 8 16)
 298	   Search for the nearest available frequency */
 
 
 299	for (i = 0; i < 4; i++) {
 300		if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 301			    (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 302			break;
 303	}
 304	return i;
 305}
 306
 307static inline unsigned long pwm_freq_from_reg(u8 reg)
 308{
 309	/* Clock bit 8 -> 180 kHz or 24 MHz */
 310	unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 311
 312	reg &= 0x7f;
 313	/* This should not happen but anyway... */
 314	if (reg == 0)
 315		reg++;
 316	return (clock / (reg << 8));
 317}
 318static inline u8 pwm_freq_to_reg(unsigned long val)
 319{
 320	/* Minimum divider value is 0x01 and maximum is 0x7F */
 321	if (val >= 93750)	/* The highest we can do */
 322		return 0x01;
 323	if (val >= 720)	/* Use 24 MHz clock */
 324		return (24000000UL / (val << 8));
 325	if (val < 6)		/* The lowest we can do */
 326		return 0xFF;
 327	else			/* Use 180 kHz clock */
 328		return (0x80 | (180000UL / (val << 8)));
 329}
 330
 331#define BEEP_MASK_FROM_REG(val)		((val) & 0xff7fff)
 332#define BEEP_MASK_TO_REG(val)		((val) & 0xff7fff)
 333
 334#define DIV_FROM_REG(val) (1 << (val))
 335
 336static inline u8 DIV_TO_REG(long val)
 337{
 338	int i;
 339	val = SENSORS_LIMIT(val, 1, 128) >> 1;
 340	for (i = 0; i < 7; i++) {
 341		if (val == 0)
 342			break;
 343		val >>= 1;
 344	}
 345	return ((u8) i);
 346}
 347
 348/* For each registered chip, we need to keep some data in memory.
 349   The structure is dynamically allocated. */
 
 
 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	u8 pwm_freq[3];		/* Register value */
 378	u16 sens[3];		/* 1 = pentium diode; 2 = 3904 diode;
 379				   4 = thermistor */
 
 380	u8 vrm;
 381	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
 
 
 
 
 
 
 382};
 383
 384
 385static int w83627hf_probe(struct platform_device *pdev);
 386static int __devexit w83627hf_remove(struct platform_device *pdev);
 387
 388static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 389static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 390static void w83627hf_update_fan_div(struct w83627hf_data *data);
 391static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 392static void w83627hf_init_device(struct platform_device *pdev);
 393
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 394static struct platform_driver w83627hf_driver = {
 395	.driver = {
 396		.owner	= THIS_MODULE,
 397		.name	= DRVNAME,
 
 398	},
 399	.probe		= w83627hf_probe,
 400	.remove		= __devexit_p(w83627hf_remove),
 401};
 402
 403static ssize_t
 404show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 405{
 406	int nr = to_sensor_dev_attr(devattr)->index;
 407	struct w83627hf_data *data = w83627hf_update_device(dev);
 408	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 409}
 410static ssize_t
 411show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 412{
 413	int nr = to_sensor_dev_attr(devattr)->index;
 414	struct w83627hf_data *data = w83627hf_update_device(dev);
 415	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 416}
 417static ssize_t
 418show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 419{
 420	int nr = to_sensor_dev_attr(devattr)->index;
 421	struct w83627hf_data *data = w83627hf_update_device(dev);
 422	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 423}
 424static ssize_t
 425store_in_min(struct device *dev, struct device_attribute *devattr,
 426	     const char *buf, size_t count)
 427{
 428	int nr = to_sensor_dev_attr(devattr)->index;
 429	struct w83627hf_data *data = dev_get_drvdata(dev);
 430	long val = simple_strtol(buf, NULL, 10);
 
 
 
 
 
 431
 432	mutex_lock(&data->update_lock);
 433	data->in_min[nr] = IN_TO_REG(val);
 434	w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 435	mutex_unlock(&data->update_lock);
 436	return count;
 437}
 438static ssize_t
 439store_in_max(struct device *dev, struct device_attribute *devattr,
 440	     const char *buf, size_t count)
 441{
 442	int nr = to_sensor_dev_attr(devattr)->index;
 443	struct w83627hf_data *data = dev_get_drvdata(dev);
 444	long val = simple_strtol(buf, NULL, 10);
 
 
 
 
 
 445
 446	mutex_lock(&data->update_lock);
 447	data->in_max[nr] = IN_TO_REG(val);
 448	w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 449	mutex_unlock(&data->update_lock);
 450	return count;
 451}
 452#define sysfs_vin_decl(offset) \
 453static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
 454			  show_in_input, NULL, offset);		\
 455static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,	\
 456			  show_in_min, store_in_min, offset);	\
 457static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,	\
 458			  show_in_max, store_in_max, offset);
 459
 460sysfs_vin_decl(1);
 461sysfs_vin_decl(2);
 462sysfs_vin_decl(3);
 463sysfs_vin_decl(4);
 464sysfs_vin_decl(5);
 465sysfs_vin_decl(6);
 466sysfs_vin_decl(7);
 467sysfs_vin_decl(8);
 468
 469/* use a different set of functions for in0 */
 470static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 471{
 472	long in0;
 473
 474	if ((data->vrm_ovt & 0x01) &&
 475		(w83627thf == data->type || w83637hf == data->type
 476		 || w83687thf == data->type))
 477
 478		/* use VRM9 calculation */
 479		in0 = (long)((reg * 488 + 70000 + 50) / 100);
 480	else
 481		/* use VRM8 (standard) calculation */
 482		in0 = (long)IN_FROM_REG(reg);
 483
 484	return sprintf(buf,"%ld\n", in0);
 485}
 486
 487static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 488{
 489	struct w83627hf_data *data = w83627hf_update_device(dev);
 490	return show_in_0(data, buf, data->in[0]);
 491}
 492
 493static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 494{
 495	struct w83627hf_data *data = w83627hf_update_device(dev);
 496	return show_in_0(data, buf, data->in_min[0]);
 497}
 498
 499static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 500{
 501	struct w83627hf_data *data = w83627hf_update_device(dev);
 502	return show_in_0(data, buf, data->in_max[0]);
 503}
 504
 505static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 506	const char *buf, size_t count)
 507{
 508	struct w83627hf_data *data = dev_get_drvdata(dev);
 509	u32 val;
 
 510
 511	val = simple_strtoul(buf, NULL, 10);
 
 
 512
 513	mutex_lock(&data->update_lock);
 514	
 515	if ((data->vrm_ovt & 0x01) &&
 516		(w83627thf == data->type || w83637hf == data->type
 517		 || w83687thf == data->type))
 518
 519		/* use VRM9 calculation */
 520		data->in_min[0] =
 521			SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 522					255);
 523	else
 524		/* use VRM8 (standard) calculation */
 525		data->in_min[0] = IN_TO_REG(val);
 526
 527	w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 528	mutex_unlock(&data->update_lock);
 529	return count;
 530}
 531
 532static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 533	const char *buf, size_t count)
 534{
 535	struct w83627hf_data *data = dev_get_drvdata(dev);
 536	u32 val;
 
 537
 538	val = simple_strtoul(buf, NULL, 10);
 
 
 539
 540	mutex_lock(&data->update_lock);
 541
 542	if ((data->vrm_ovt & 0x01) &&
 543		(w83627thf == data->type || w83637hf == data->type
 544		 || w83687thf == data->type))
 545		
 546		/* use VRM9 calculation */
 547		data->in_max[0] =
 548			SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 549					255);
 550	else
 551		/* use VRM8 (standard) calculation */
 552		data->in_max[0] = IN_TO_REG(val);
 553
 554	w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 555	mutex_unlock(&data->update_lock);
 556	return count;
 557}
 558
 559static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 560static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 561	show_regs_in_min0, store_regs_in_min0);
 562static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 563	show_regs_in_max0, store_regs_in_max0);
 564
 565static ssize_t
 566show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 567{
 568	int nr = to_sensor_dev_attr(devattr)->index;
 569	struct w83627hf_data *data = w83627hf_update_device(dev);
 570	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 571				(long)DIV_FROM_REG(data->fan_div[nr])));
 572}
 573static ssize_t
 574show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 575{
 576	int nr = to_sensor_dev_attr(devattr)->index;
 577	struct w83627hf_data *data = w83627hf_update_device(dev);
 578	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 579				(long)DIV_FROM_REG(data->fan_div[nr])));
 580}
 581static ssize_t
 582store_fan_min(struct device *dev, struct device_attribute *devattr,
 583	      const char *buf, size_t count)
 584{
 585	int nr = to_sensor_dev_attr(devattr)->index;
 586	struct w83627hf_data *data = dev_get_drvdata(dev);
 587	u32 val = simple_strtoul(buf, NULL, 10);
 
 
 
 
 
 588
 589	mutex_lock(&data->update_lock);
 590	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 591	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 592			     data->fan_min[nr]);
 593
 594	mutex_unlock(&data->update_lock);
 595	return count;
 596}
 597#define sysfs_fan_decl(offset)	\
 598static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,			\
 599			  show_fan_input, NULL, offset - 1);		\
 600static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,		\
 601			  show_fan_min, store_fan_min, offset - 1);
 602
 603sysfs_fan_decl(1);
 604sysfs_fan_decl(2);
 605sysfs_fan_decl(3);
 606
 607static ssize_t
 608show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 609{
 610	int nr = to_sensor_dev_attr(devattr)->index;
 611	struct w83627hf_data *data = w83627hf_update_device(dev);
 612
 613	u16 tmp = data->temp[nr];
 614	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 615					  : (long) TEMP_FROM_REG(tmp));
 616}
 617
 618static ssize_t
 619show_temp_max(struct device *dev, struct device_attribute *devattr,
 620	      char *buf)
 621{
 622	int nr = to_sensor_dev_attr(devattr)->index;
 623	struct w83627hf_data *data = w83627hf_update_device(dev);
 624
 625	u16 tmp = data->temp_max[nr];
 626	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 627					  : (long) TEMP_FROM_REG(tmp));
 628}
 629
 630static ssize_t
 631show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 632		   char *buf)
 633{
 634	int nr = to_sensor_dev_attr(devattr)->index;
 635	struct w83627hf_data *data = w83627hf_update_device(dev);
 636
 637	u16 tmp = data->temp_max_hyst[nr];
 638	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 639					  : (long) TEMP_FROM_REG(tmp));
 640}
 641
 642static ssize_t
 643store_temp_max(struct device *dev, struct device_attribute *devattr,
 644	       const char *buf, size_t count)
 645{
 646	int nr = to_sensor_dev_attr(devattr)->index;
 647	struct w83627hf_data *data = dev_get_drvdata(dev);
 648	long val = simple_strtol(buf, NULL, 10);
 649	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 
 
 
 
 
 650
 
 651	mutex_lock(&data->update_lock);
 652	data->temp_max[nr] = tmp;
 653	w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 654	mutex_unlock(&data->update_lock);
 655	return count;
 656}
 657
 658static ssize_t
 659store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 660		    const char *buf, size_t count)
 661{
 662	int nr = to_sensor_dev_attr(devattr)->index;
 663	struct w83627hf_data *data = dev_get_drvdata(dev);
 664	long val = simple_strtol(buf, NULL, 10);
 665	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 
 
 
 
 
 666
 
 667	mutex_lock(&data->update_lock);
 668	data->temp_max_hyst[nr] = tmp;
 669	w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 670	mutex_unlock(&data->update_lock);
 671	return count;
 672}
 673
 674#define sysfs_temp_decl(offset) \
 675static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,		\
 676			  show_temp, NULL, offset - 1);			\
 677static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,	 	\
 678			  show_temp_max, store_temp_max, offset - 1);	\
 679static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,	\
 680			  show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 681
 682sysfs_temp_decl(1);
 683sysfs_temp_decl(2);
 684sysfs_temp_decl(3);
 685
 686static ssize_t
 687show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 688{
 689	struct w83627hf_data *data = w83627hf_update_device(dev);
 690	return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 691}
 692static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 693
 694static ssize_t
 695show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 696{
 697	struct w83627hf_data *data = dev_get_drvdata(dev);
 698	return sprintf(buf, "%ld\n", (long) data->vrm);
 699}
 700static ssize_t
 701store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 702{
 703	struct w83627hf_data *data = dev_get_drvdata(dev);
 704	u32 val;
 
 705
 706	val = simple_strtoul(buf, NULL, 10);
 
 
 707	data->vrm = val;
 708
 709	return count;
 710}
 711static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 712
 713static ssize_t
 714show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 715{
 716	struct w83627hf_data *data = w83627hf_update_device(dev);
 717	return sprintf(buf, "%ld\n", (long) data->alarms);
 718}
 719static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 720
 721static ssize_t
 722show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 723{
 724	struct w83627hf_data *data = w83627hf_update_device(dev);
 725	int bitnr = to_sensor_dev_attr(attr)->index;
 726	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 727}
 728static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 729static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 730static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 731static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 732static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 733static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 734static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 735static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 736static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 737static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 738static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 739static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 740static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 741static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 742static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 743
 744static ssize_t
 745show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 746{
 747	struct w83627hf_data *data = w83627hf_update_device(dev);
 748	return sprintf(buf, "%ld\n",
 749		      (long)BEEP_MASK_FROM_REG(data->beep_mask));
 750}
 751
 752static ssize_t
 753store_beep_mask(struct device *dev, struct device_attribute *attr,
 754		const char *buf, size_t count)
 755{
 756	struct w83627hf_data *data = dev_get_drvdata(dev);
 757	unsigned long val;
 
 758
 759	val = simple_strtoul(buf, NULL, 10);
 
 
 760
 761	mutex_lock(&data->update_lock);
 762
 763	/* preserve beep enable */
 764	data->beep_mask = (data->beep_mask & 0x8000)
 765			| BEEP_MASK_TO_REG(val);
 766	w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 767			    data->beep_mask & 0xff);
 768	w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 769			    ((data->beep_mask) >> 16) & 0xff);
 770	w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 771			    (data->beep_mask >> 8) & 0xff);
 772
 773	mutex_unlock(&data->update_lock);
 774	return count;
 775}
 776
 777static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 778		   show_beep_mask, store_beep_mask);
 779
 780static ssize_t
 781show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 782{
 783	struct w83627hf_data *data = w83627hf_update_device(dev);
 784	int bitnr = to_sensor_dev_attr(attr)->index;
 785	return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 786}
 787
 788static ssize_t
 789store_beep(struct device *dev, struct device_attribute *attr,
 790		const char *buf, size_t count)
 791{
 792	struct w83627hf_data *data = dev_get_drvdata(dev);
 793	int bitnr = to_sensor_dev_attr(attr)->index;
 794	unsigned long bit;
 795	u8 reg;
 
 
 
 
 
 
 796
 797	bit = simple_strtoul(buf, NULL, 10);
 798	if (bit & ~1)
 799		return -EINVAL;
 800
 801	mutex_lock(&data->update_lock);
 802	if (bit)
 803		data->beep_mask |= (1 << bitnr);
 804	else
 805		data->beep_mask &= ~(1 << bitnr);
 806
 807	if (bitnr < 8) {
 808		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 809		if (bit)
 810			reg |= (1 << bitnr);
 811		else
 812			reg &= ~(1 << bitnr);
 813		w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 814	} else if (bitnr < 16) {
 815		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 816		if (bit)
 817			reg |= (1 << (bitnr - 8));
 818		else
 819			reg &= ~(1 << (bitnr - 8));
 820		w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 821	} else {
 822		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 823		if (bit)
 824			reg |= (1 << (bitnr - 16));
 825		else
 826			reg &= ~(1 << (bitnr - 16));
 827		w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 828	}
 829	mutex_unlock(&data->update_lock);
 830
 831	return count;
 832}
 833
 834static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 835			show_beep, store_beep, 0);
 836static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 837			show_beep, store_beep, 1);
 838static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 839			show_beep, store_beep, 2);
 840static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 841			show_beep, store_beep, 3);
 842static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 843			show_beep, store_beep, 8);
 844static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 845			show_beep, store_beep, 9);
 846static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 847			show_beep, store_beep, 10);
 848static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 849			show_beep, store_beep, 16);
 850static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 851			show_beep, store_beep, 17);
 852static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 853			show_beep, store_beep, 6);
 854static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 855			show_beep, store_beep, 7);
 856static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 857			show_beep, store_beep, 11);
 858static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 859			show_beep, store_beep, 4);
 860static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 861			show_beep, store_beep, 5);
 862static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 863			show_beep, store_beep, 13);
 864static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 865			show_beep, store_beep, 15);
 866
 867static ssize_t
 868show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 869{
 870	int nr = to_sensor_dev_attr(devattr)->index;
 871	struct w83627hf_data *data = w83627hf_update_device(dev);
 872	return sprintf(buf, "%ld\n",
 873		       (long) DIV_FROM_REG(data->fan_div[nr]));
 874}
 875/* Note: we save and restore the fan minimum here, because its value is
 876   determined in part by the fan divisor.  This follows the principle of
 877   least surprise; the user doesn't expect the fan minimum to change just
 878   because the divisor changed. */
 
 
 879static ssize_t
 880store_fan_div(struct device *dev, struct device_attribute *devattr,
 881	      const char *buf, size_t count)
 882{
 883	int nr = to_sensor_dev_attr(devattr)->index;
 884	struct w83627hf_data *data = dev_get_drvdata(dev);
 885	unsigned long min;
 886	u8 reg;
 887	unsigned long val = simple_strtoul(buf, NULL, 10);
 
 
 
 
 
 888
 889	mutex_lock(&data->update_lock);
 890
 891	/* Save fan_min */
 892	min = FAN_FROM_REG(data->fan_min[nr],
 893			   DIV_FROM_REG(data->fan_div[nr]));
 894
 895	data->fan_div[nr] = DIV_TO_REG(val);
 896
 897	reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 898	       & (nr==0 ? 0xcf : 0x3f))
 899	    | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 900	w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 901
 902	reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 903	       & ~(1 << (5 + nr)))
 904	    | ((data->fan_div[nr] & 0x04) << (3 + nr));
 905	w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 906
 907	/* Restore fan_min */
 908	data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 909	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 910
 911	mutex_unlock(&data->update_lock);
 912	return count;
 913}
 914
 915static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 916			  show_fan_div, store_fan_div, 0);
 917static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 918			  show_fan_div, store_fan_div, 1);
 919static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 920			  show_fan_div, store_fan_div, 2);
 921
 922static ssize_t
 923show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 924{
 925	int nr = to_sensor_dev_attr(devattr)->index;
 926	struct w83627hf_data *data = w83627hf_update_device(dev);
 927	return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 928}
 929
 930static ssize_t
 931store_pwm(struct device *dev, struct device_attribute *devattr,
 932	  const char *buf, size_t count)
 933{
 934	int nr = to_sensor_dev_attr(devattr)->index;
 935	struct w83627hf_data *data = dev_get_drvdata(dev);
 936	u32 val = simple_strtoul(buf, NULL, 10);
 
 
 
 
 
 937
 938	mutex_lock(&data->update_lock);
 939
 940	if (data->type == w83627thf) {
 941		/* bits 0-3 are reserved  in 627THF */
 942		data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 943		w83627hf_write_value(data,
 944				     W836X7HF_REG_PWM(data->type, nr),
 945				     data->pwm[nr] |
 946				     (w83627hf_read_value(data,
 947				     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 948	} else {
 949		data->pwm[nr] = PWM_TO_REG(val);
 950		w83627hf_write_value(data,
 951				     W836X7HF_REG_PWM(data->type, nr),
 952				     data->pwm[nr]);
 953	}
 954
 955	mutex_unlock(&data->update_lock);
 956	return count;
 957}
 958
 959static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 960static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 961static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 962
 963static ssize_t
 964show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 965{
 966	int nr = to_sensor_dev_attr(devattr)->index;
 967	struct w83627hf_data *data = w83627hf_update_device(dev);
 968	return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 969}
 970
 971static ssize_t
 972store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 973	  const char *buf, size_t count)
 974{
 975	int nr = to_sensor_dev_attr(devattr)->index;
 976	struct w83627hf_data *data = dev_get_drvdata(dev);
 977	unsigned long val = simple_strtoul(buf, NULL, 10);
 978	u8 reg;
 
 
 
 
 
 
 979
 980	if (!val || (val > 3))	/* modes 1, 2 and 3 are supported */
 981		return -EINVAL;
 982	mutex_lock(&data->update_lock);
 983	data->pwm_enable[nr] = val;
 984	reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 985	reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 986	reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 987	w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 988	mutex_unlock(&data->update_lock);
 989	return count;
 990}
 991
 992static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 993						  store_pwm_enable, 0);
 994static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 995						  store_pwm_enable, 1);
 996static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 997						  store_pwm_enable, 2);
 998
 999static ssize_t
1000show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1001{
1002	int nr = to_sensor_dev_attr(devattr)->index;
1003	struct w83627hf_data *data = w83627hf_update_device(dev);
1004	if (data->type == w83627hf)
1005		return sprintf(buf, "%ld\n",
1006			pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1007	else
1008		return sprintf(buf, "%ld\n",
1009			pwm_freq_from_reg(data->pwm_freq[nr]));
1010}
1011
1012static ssize_t
1013store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1014	       const char *buf, size_t count)
1015{
1016	int nr = to_sensor_dev_attr(devattr)->index;
1017	struct w83627hf_data *data = dev_get_drvdata(dev);
1018	static const u8 mask[]={0xF8, 0x8F};
1019	u32 val;
 
1020
1021	val = simple_strtoul(buf, NULL, 10);
 
 
1022
1023	mutex_lock(&data->update_lock);
1024
1025	if (data->type == w83627hf) {
1026		data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1027		w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1028				(data->pwm_freq[nr] << (nr*4)) |
1029				(w83627hf_read_value(data,
1030				W83627HF_REG_PWM_FREQ) & mask[nr]));
1031	} else {
1032		data->pwm_freq[nr] = pwm_freq_to_reg(val);
1033		w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1034				data->pwm_freq[nr]);
1035	}
1036
1037	mutex_unlock(&data->update_lock);
1038	return count;
1039}
1040
1041static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1042			  show_pwm_freq, store_pwm_freq, 0);
1043static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1044			  show_pwm_freq, store_pwm_freq, 1);
1045static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1046			  show_pwm_freq, store_pwm_freq, 2);
1047
1048static ssize_t
1049show_temp_type(struct device *dev, struct device_attribute *devattr,
1050	       char *buf)
1051{
1052	int nr = to_sensor_dev_attr(devattr)->index;
1053	struct w83627hf_data *data = w83627hf_update_device(dev);
1054	return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1055}
1056
1057static ssize_t
1058store_temp_type(struct device *dev, struct device_attribute *devattr,
1059		const char *buf, size_t count)
1060{
1061	int nr = to_sensor_dev_attr(devattr)->index;
1062	struct w83627hf_data *data = dev_get_drvdata(dev);
1063	u32 val, tmp;
 
 
1064
1065	val = simple_strtoul(buf, NULL, 10);
 
 
1066
1067	mutex_lock(&data->update_lock);
1068
1069	switch (val) {
1070	case 1:		/* PII/Celeron diode */
1071		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1072		w83627hf_write_value(data, W83781D_REG_SCFG1,
1073				    tmp | BIT_SCFG1[nr]);
1074		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1075		w83627hf_write_value(data, W83781D_REG_SCFG2,
1076				    tmp | BIT_SCFG2[nr]);
1077		data->sens[nr] = val;
1078		break;
1079	case 2:		/* 3904 */
1080		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1081		w83627hf_write_value(data, W83781D_REG_SCFG1,
1082				    tmp | BIT_SCFG1[nr]);
1083		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1084		w83627hf_write_value(data, W83781D_REG_SCFG2,
1085				    tmp & ~BIT_SCFG2[nr]);
1086		data->sens[nr] = val;
1087		break;
1088	case W83781D_DEFAULT_BETA:
1089		dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1090			 "instead\n", W83781D_DEFAULT_BETA);
1091		/* fall through */
1092	case 4:		/* thermistor */
1093		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1094		w83627hf_write_value(data, W83781D_REG_SCFG1,
1095				    tmp & ~BIT_SCFG1[nr]);
1096		data->sens[nr] = val;
1097		break;
1098	default:
1099		dev_err(dev,
1100		       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1101		       (long) val);
1102		break;
1103	}
1104
1105	mutex_unlock(&data->update_lock);
1106	return count;
1107}
1108
1109#define sysfs_temp_type(offset) \
1110static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1111			  show_temp_type, store_temp_type, offset - 1);
1112
1113sysfs_temp_type(1);
1114sysfs_temp_type(2);
1115sysfs_temp_type(3);
1116
1117static ssize_t
1118show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1119{
1120	struct w83627hf_data *data = dev_get_drvdata(dev);
1121
1122	return sprintf(buf, "%s\n", data->name);
1123}
1124static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1125
1126static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1127				struct w83627hf_sio_data *sio_data)
1128{
1129	int err = -ENODEV;
1130	u16 val;
1131
1132	static const __initdata char *names[] = {
1133		"W83627HF",
1134		"W83627THF",
1135		"W83697HF",
1136		"W83637HF",
1137		"W83687THF",
1138	};
1139
1140	sio_data->sioaddr = sioaddr;
1141	superio_enter(sio_data);
1142	val = force_id ? force_id : superio_inb(sio_data, DEVID);
1143	switch (val) {
1144	case W627_DEVID:
1145		sio_data->type = w83627hf;
1146		break;
1147	case W627THF_DEVID:
1148		sio_data->type = w83627thf;
1149		break;
1150	case W697_DEVID:
1151		sio_data->type = w83697hf;
1152		break;
1153	case W637_DEVID:
1154		sio_data->type = w83637hf;
1155		break;
1156	case W687THF_DEVID:
1157		sio_data->type = w83687thf;
1158		break;
1159	case 0xff:	/* No device at all */
1160		goto exit;
1161	default:
1162		pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1163		goto exit;
1164	}
1165
1166	superio_select(sio_data, W83627HF_LD_HWM);
1167	val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1168	       superio_inb(sio_data, WINB_BASE_REG + 1);
1169	*addr = val & WINB_ALIGNMENT;
1170	if (*addr == 0) {
1171		pr_warn("Base address not set, skipping\n");
1172		goto exit;
1173	}
1174
1175	val = superio_inb(sio_data, WINB_ACT_REG);
1176	if (!(val & 0x01)) {
1177		pr_warn("Enabling HWM logical device\n");
1178		superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1179	}
1180
1181	err = 0;
1182	pr_info(DRVNAME ": Found %s chip at %#x\n",
1183		names[sio_data->type], *addr);
1184
1185 exit:
1186	superio_exit(sio_data);
1187	return err;
1188}
1189
1190#define VIN_UNIT_ATTRS(_X_)	\
1191	&sensor_dev_attr_in##_X_##_input.dev_attr.attr,		\
1192	&sensor_dev_attr_in##_X_##_min.dev_attr.attr,		\
1193	&sensor_dev_attr_in##_X_##_max.dev_attr.attr,		\
1194	&sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,		\
1195	&sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1196
1197#define FAN_UNIT_ATTRS(_X_)	\
1198	&sensor_dev_attr_fan##_X_##_input.dev_attr.attr,	\
1199	&sensor_dev_attr_fan##_X_##_min.dev_attr.attr,		\
1200	&sensor_dev_attr_fan##_X_##_div.dev_attr.attr,		\
1201	&sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,	\
1202	&sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1203
1204#define TEMP_UNIT_ATTRS(_X_)	\
1205	&sensor_dev_attr_temp##_X_##_input.dev_attr.attr,	\
1206	&sensor_dev_attr_temp##_X_##_max.dev_attr.attr,		\
1207	&sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,	\
1208	&sensor_dev_attr_temp##_X_##_type.dev_attr.attr,	\
1209	&sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,	\
1210	&sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1211
1212static struct attribute *w83627hf_attributes[] = {
1213	&dev_attr_in0_input.attr,
1214	&dev_attr_in0_min.attr,
1215	&dev_attr_in0_max.attr,
1216	&sensor_dev_attr_in0_alarm.dev_attr.attr,
1217	&sensor_dev_attr_in0_beep.dev_attr.attr,
1218	VIN_UNIT_ATTRS(2),
1219	VIN_UNIT_ATTRS(3),
1220	VIN_UNIT_ATTRS(4),
1221	VIN_UNIT_ATTRS(7),
1222	VIN_UNIT_ATTRS(8),
1223
1224	FAN_UNIT_ATTRS(1),
1225	FAN_UNIT_ATTRS(2),
1226
1227	TEMP_UNIT_ATTRS(1),
1228	TEMP_UNIT_ATTRS(2),
1229
1230	&dev_attr_alarms.attr,
1231	&sensor_dev_attr_beep_enable.dev_attr.attr,
1232	&dev_attr_beep_mask.attr,
1233
1234	&sensor_dev_attr_pwm1.dev_attr.attr,
1235	&sensor_dev_attr_pwm2.dev_attr.attr,
1236	&dev_attr_name.attr,
1237	NULL
1238};
1239
1240static const struct attribute_group w83627hf_group = {
1241	.attrs = w83627hf_attributes,
1242};
1243
1244static struct attribute *w83627hf_attributes_opt[] = {
1245	VIN_UNIT_ATTRS(1),
1246	VIN_UNIT_ATTRS(5),
1247	VIN_UNIT_ATTRS(6),
1248
1249	FAN_UNIT_ATTRS(3),
1250	TEMP_UNIT_ATTRS(3),
1251	&sensor_dev_attr_pwm3.dev_attr.attr,
1252
1253	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
1254	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
1255	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
1256
1257	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
1258	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
1259	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
1260
1261	NULL
1262};
1263
1264static const struct attribute_group w83627hf_group_opt = {
1265	.attrs = w83627hf_attributes_opt,
1266};
1267
1268static int __devinit w83627hf_probe(struct platform_device *pdev)
1269{
1270	struct device *dev = &pdev->dev;
1271	struct w83627hf_sio_data *sio_data = dev->platform_data;
1272	struct w83627hf_data *data;
1273	struct resource *res;
1274	int err, i;
1275
1276	static const char *names[] = {
1277		"w83627hf",
1278		"w83627thf",
1279		"w83697hf",
1280		"w83637hf",
1281		"w83687thf",
1282	};
1283
1284	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1285	if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1286		dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1287			(unsigned long)res->start,
1288			(unsigned long)(res->start + WINB_REGION_SIZE - 1));
1289		err = -EBUSY;
1290		goto ERROR0;
1291	}
1292
1293	if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1294		err = -ENOMEM;
1295		goto ERROR1;
1296	}
1297	data->addr = res->start;
1298	data->type = sio_data->type;
1299	data->name = names[sio_data->type];
1300	mutex_init(&data->lock);
1301	mutex_init(&data->update_lock);
1302	platform_set_drvdata(pdev, data);
1303
1304	/* Initialize the chip */
1305	w83627hf_init_device(pdev);
1306
1307	/* A few vars need to be filled upon startup */
1308	for (i = 0; i <= 2; i++)
1309		data->fan_min[i] = w83627hf_read_value(
1310					data, W83627HF_REG_FAN_MIN(i));
1311	w83627hf_update_fan_div(data);
1312
1313	/* Register common device attributes */
1314	if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1315		goto ERROR3;
 
1316
1317	/* Register chip-specific device attributes */
1318	if (data->type == w83627hf || data->type == w83697hf)
1319		if ((err = device_create_file(dev,
1320				&sensor_dev_attr_in5_input.dev_attr))
1321		 || (err = device_create_file(dev,
1322				&sensor_dev_attr_in5_min.dev_attr))
1323		 || (err = device_create_file(dev,
1324				&sensor_dev_attr_in5_max.dev_attr))
1325		 || (err = device_create_file(dev,
1326				&sensor_dev_attr_in5_alarm.dev_attr))
1327		 || (err = device_create_file(dev,
1328				&sensor_dev_attr_in5_beep.dev_attr))
1329		 || (err = device_create_file(dev,
1330				&sensor_dev_attr_in6_input.dev_attr))
1331		 || (err = device_create_file(dev,
1332				&sensor_dev_attr_in6_min.dev_attr))
1333		 || (err = device_create_file(dev,
1334				&sensor_dev_attr_in6_max.dev_attr))
1335		 || (err = device_create_file(dev,
1336				&sensor_dev_attr_in6_alarm.dev_attr))
1337		 || (err = device_create_file(dev,
1338				&sensor_dev_attr_in6_beep.dev_attr))
1339		 || (err = device_create_file(dev,
1340				&sensor_dev_attr_pwm1_freq.dev_attr))
1341		 || (err = device_create_file(dev,
1342				&sensor_dev_attr_pwm2_freq.dev_attr)))
1343			goto ERROR4;
1344
1345	if (data->type != w83697hf)
1346		if ((err = device_create_file(dev,
1347				&sensor_dev_attr_in1_input.dev_attr))
1348		 || (err = device_create_file(dev,
1349				&sensor_dev_attr_in1_min.dev_attr))
1350		 || (err = device_create_file(dev,
1351				&sensor_dev_attr_in1_max.dev_attr))
1352		 || (err = device_create_file(dev,
1353				&sensor_dev_attr_in1_alarm.dev_attr))
1354		 || (err = device_create_file(dev,
1355				&sensor_dev_attr_in1_beep.dev_attr))
1356		 || (err = device_create_file(dev,
1357				&sensor_dev_attr_fan3_input.dev_attr))
1358		 || (err = device_create_file(dev,
1359				&sensor_dev_attr_fan3_min.dev_attr))
1360		 || (err = device_create_file(dev,
1361				&sensor_dev_attr_fan3_div.dev_attr))
1362		 || (err = device_create_file(dev,
1363				&sensor_dev_attr_fan3_alarm.dev_attr))
1364		 || (err = device_create_file(dev,
1365				&sensor_dev_attr_fan3_beep.dev_attr))
1366		 || (err = device_create_file(dev,
1367				&sensor_dev_attr_temp3_input.dev_attr))
1368		 || (err = device_create_file(dev,
1369				&sensor_dev_attr_temp3_max.dev_attr))
1370		 || (err = device_create_file(dev,
1371				&sensor_dev_attr_temp3_max_hyst.dev_attr))
1372		 || (err = device_create_file(dev,
1373				&sensor_dev_attr_temp3_alarm.dev_attr))
1374		 || (err = device_create_file(dev,
1375				&sensor_dev_attr_temp3_beep.dev_attr))
1376		 || (err = device_create_file(dev,
1377				&sensor_dev_attr_temp3_type.dev_attr)))
1378			goto ERROR4;
1379
1380	if (data->type != w83697hf && data->vid != 0xff) {
1381		/* Convert VID to voltage based on VRM */
1382		data->vrm = vid_which_vrm();
1383
1384		if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1385		 || (err = device_create_file(dev, &dev_attr_vrm)))
1386			goto ERROR4;
1387	}
1388
1389	if (data->type == w83627thf || data->type == w83637hf
1390	 || data->type == w83687thf)
1391		if ((err = device_create_file(dev,
1392				&sensor_dev_attr_pwm3.dev_attr)))
1393			goto ERROR4;
 
1394
1395	if (data->type == w83637hf || data->type == w83687thf)
1396		if ((err = device_create_file(dev,
1397				&sensor_dev_attr_pwm1_freq.dev_attr))
1398		 || (err = device_create_file(dev,
1399				&sensor_dev_attr_pwm2_freq.dev_attr))
1400		 || (err = device_create_file(dev,
1401				&sensor_dev_attr_pwm3_freq.dev_attr)))
1402			goto ERROR4;
1403
1404	if (data->type != w83627hf)
1405		if ((err = device_create_file(dev,
1406				&sensor_dev_attr_pwm1_enable.dev_attr))
1407		 || (err = device_create_file(dev,
1408				&sensor_dev_attr_pwm2_enable.dev_attr)))
1409			goto ERROR4;
1410
1411	if (data->type == w83627thf || data->type == w83637hf
1412	 || data->type == w83687thf)
1413		if ((err = device_create_file(dev,
1414				&sensor_dev_attr_pwm3_enable.dev_attr)))
1415			goto ERROR4;
 
 
1416
1417	data->hwmon_dev = hwmon_device_register(dev);
1418	if (IS_ERR(data->hwmon_dev)) {
1419		err = PTR_ERR(data->hwmon_dev);
1420		goto ERROR4;
1421	}
1422
1423	return 0;
1424
1425      ERROR4:
1426	sysfs_remove_group(&dev->kobj, &w83627hf_group);
1427	sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1428      ERROR3:
1429	platform_set_drvdata(pdev, NULL);
1430	kfree(data);
1431      ERROR1:
1432	release_region(res->start, WINB_REGION_SIZE);
1433      ERROR0:
1434	return err;
1435}
1436
1437static int __devexit w83627hf_remove(struct platform_device *pdev)
1438{
1439	struct w83627hf_data *data = platform_get_drvdata(pdev);
1440	struct resource *res;
1441
1442	hwmon_device_unregister(data->hwmon_dev);
1443
1444	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1445	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1446	platform_set_drvdata(pdev, NULL);
1447	kfree(data);
1448
1449	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1450	release_region(res->start, WINB_REGION_SIZE);
1451
1452	return 0;
1453}
1454
1455
1456/* Registers 0x50-0x5f are banked */
1457static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1458{
1459	if ((reg & 0x00f0) == 0x50) {
1460		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1461		outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1462	}
1463}
1464
1465/* Not strictly necessary, but play it safe for now */
1466static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1467{
1468	if (reg & 0xff00) {
1469		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1470		outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1471	}
1472}
1473
1474static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1475{
1476	int res, word_sized;
1477
1478	mutex_lock(&data->lock);
1479	word_sized = (((reg & 0xff00) == 0x100)
1480		   || ((reg & 0xff00) == 0x200))
1481		  && (((reg & 0x00ff) == 0x50)
1482		   || ((reg & 0x00ff) == 0x53)
1483		   || ((reg & 0x00ff) == 0x55));
1484	w83627hf_set_bank(data, reg);
1485	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1486	res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1487	if (word_sized) {
1488		outb_p((reg & 0xff) + 1,
1489		       data->addr + W83781D_ADDR_REG_OFFSET);
1490		res =
1491		    (res << 8) + inb_p(data->addr +
1492				       W83781D_DATA_REG_OFFSET);
1493	}
1494	w83627hf_reset_bank(data, reg);
1495	mutex_unlock(&data->lock);
1496	return res;
1497}
1498
1499static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1500{
1501	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1502	int res = 0xff, sel;
1503
1504	superio_enter(sio_data);
1505	superio_select(sio_data, W83627HF_LD_GPIO5);
1506
1507	/* Make sure these GPIO pins are enabled */
1508	if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1509		dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1510		goto exit;
1511	}
1512
1513	/* Make sure the pins are configured for input
1514	   There must be at least five (VRM 9), and possibly 6 (VRM 10) */
 
 
1515	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1516	if ((sel & 0x1f) != 0x1f) {
1517		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1518			"function\n");
1519		goto exit;
1520	}
1521
1522	dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1523	res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1524
1525exit:
1526	superio_exit(sio_data);
1527	return res;
1528}
1529
1530static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1531{
1532	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1533	int res = 0xff;
1534
1535	superio_enter(sio_data);
1536	superio_select(sio_data, W83627HF_LD_HWM);
1537
1538	/* Make sure these GPIO pins are enabled */
1539	if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1540		dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1541		goto exit;
1542	}
1543
1544	/* Make sure the pins are configured for input */
1545	if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1546		dev_dbg(&pdev->dev, "VID configured as output, "
1547			"no VID function\n");
1548		goto exit;
1549	}
1550
1551	res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1552
1553exit:
1554	superio_exit(sio_data);
1555	return res;
1556}
1557
1558static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1559{
1560	int word_sized;
1561
1562	mutex_lock(&data->lock);
1563	word_sized = (((reg & 0xff00) == 0x100)
1564		   || ((reg & 0xff00) == 0x200))
1565		  && (((reg & 0x00ff) == 0x53)
1566		   || ((reg & 0x00ff) == 0x55));
1567	w83627hf_set_bank(data, reg);
1568	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1569	if (word_sized) {
1570		outb_p(value >> 8,
1571		       data->addr + W83781D_DATA_REG_OFFSET);
1572		outb_p((reg & 0xff) + 1,
1573		       data->addr + W83781D_ADDR_REG_OFFSET);
1574	}
1575	outb_p(value & 0xff,
1576	       data->addr + W83781D_DATA_REG_OFFSET);
1577	w83627hf_reset_bank(data, reg);
1578	mutex_unlock(&data->lock);
1579	return 0;
1580}
1581
1582static void __devinit w83627hf_init_device(struct platform_device *pdev)
1583{
1584	struct w83627hf_data *data = platform_get_drvdata(pdev);
1585	int i;
1586	enum chips type = data->type;
1587	u8 tmp;
1588
1589	/* Minimize conflicts with other winbond i2c-only clients...  */
1590	/* disable i2c subclients... how to disable main i2c client?? */
1591	/* force i2c address to relatively uncommon address */
1592	w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1593	w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
 
 
1594
1595	/* Read VID only once */
1596	if (type == w83627hf || type == w83637hf) {
1597		int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1598		int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1599		data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1600	} else if (type == w83627thf) {
1601		data->vid = w83627thf_read_gpio5(pdev);
1602	} else if (type == w83687thf) {
1603		data->vid = w83687thf_read_vid(pdev);
1604	}
1605
1606	/* Read VRM & OVT Config only once */
1607	if (type == w83627thf || type == w83637hf || type == w83687thf) {
1608		data->vrm_ovt = 
1609			w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1610	}
1611
1612	tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1613	for (i = 1; i <= 3; i++) {
1614		if (!(tmp & BIT_SCFG1[i - 1])) {
1615			data->sens[i - 1] = 4;
1616		} else {
1617			if (w83627hf_read_value
1618			    (data,
1619			     W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1620				data->sens[i - 1] = 1;
1621			else
1622				data->sens[i - 1] = 2;
1623		}
1624		if ((type == w83697hf) && (i == 2))
1625			break;
1626	}
1627
1628	if(init) {
1629		/* Enable temp2 */
1630		tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1631		if (tmp & 0x01) {
1632			dev_warn(&pdev->dev, "Enabling temp2, readings "
1633				 "might not make sense\n");
1634			w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1635				tmp & 0xfe);
1636		}
1637
1638		/* Enable temp3 */
1639		if (type != w83697hf) {
1640			tmp = w83627hf_read_value(data,
1641				W83627HF_REG_TEMP3_CONFIG);
1642			if (tmp & 0x01) {
1643				dev_warn(&pdev->dev, "Enabling temp3, "
1644					 "readings might not make sense\n");
1645				w83627hf_write_value(data,
1646					W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1647			}
1648		}
1649	}
1650
1651	/* Start monitoring */
1652	w83627hf_write_value(data, W83781D_REG_CONFIG,
1653			    (w83627hf_read_value(data,
1654						W83781D_REG_CONFIG) & 0xf7)
1655			    | 0x01);
1656
1657	/* Enable VBAT monitoring if needed */
1658	tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1659	if (!(tmp & 0x01))
1660		w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1661}
1662
1663static void w83627hf_update_fan_div(struct w83627hf_data *data)
1664{
1665	int reg;
1666
1667	reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1668	data->fan_div[0] = (reg >> 4) & 0x03;
1669	data->fan_div[1] = (reg >> 6) & 0x03;
1670	if (data->type != w83697hf) {
1671		data->fan_div[2] = (w83627hf_read_value(data,
1672				       W83781D_REG_PIN) >> 6) & 0x03;
1673	}
1674	reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1675	data->fan_div[0] |= (reg >> 3) & 0x04;
1676	data->fan_div[1] |= (reg >> 4) & 0x04;
1677	if (data->type != w83697hf)
1678		data->fan_div[2] |= (reg >> 5) & 0x04;
1679}
1680
1681static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1682{
1683	struct w83627hf_data *data = dev_get_drvdata(dev);
1684	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1685	int num_pwms = (data->type == w83697hf) ? 2 : 3;
1686
1687	mutex_lock(&data->update_lock);
1688
1689	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1690	    || !data->valid) {
1691		for (i = 0; i <= 8; i++) {
1692			/* skip missing sensors */
1693			if (((data->type == w83697hf) && (i == 1)) ||
1694			    ((data->type != w83627hf && data->type != w83697hf)
1695			    && (i == 5 || i == 6)))
1696				continue;
1697			data->in[i] =
1698			    w83627hf_read_value(data, W83781D_REG_IN(i));
1699			data->in_min[i] =
1700			    w83627hf_read_value(data,
1701					       W83781D_REG_IN_MIN(i));
1702			data->in_max[i] =
1703			    w83627hf_read_value(data,
1704					       W83781D_REG_IN_MAX(i));
1705		}
1706		for (i = 0; i <= 2; i++) {
1707			data->fan[i] =
1708			    w83627hf_read_value(data, W83627HF_REG_FAN(i));
1709			data->fan_min[i] =
1710			    w83627hf_read_value(data,
1711					       W83627HF_REG_FAN_MIN(i));
1712		}
1713		for (i = 0; i <= 2; i++) {
1714			u8 tmp = w83627hf_read_value(data,
1715				W836X7HF_REG_PWM(data->type, i));
1716 			/* bits 0-3 are reserved  in 627THF */
1717 			if (data->type == w83627thf)
1718				tmp &= 0xf0;
1719			data->pwm[i] = tmp;
1720			if (i == 1 &&
1721			    (data->type == w83627hf || data->type == w83697hf))
1722				break;
1723		}
1724		if (data->type == w83627hf) {
1725				u8 tmp = w83627hf_read_value(data,
1726						W83627HF_REG_PWM_FREQ);
1727				data->pwm_freq[0] = tmp & 0x07;
1728				data->pwm_freq[1] = (tmp >> 4) & 0x07;
1729		} else if (data->type != w83627thf) {
1730			for (i = 1; i <= 3; i++) {
1731				data->pwm_freq[i - 1] =
1732					w83627hf_read_value(data,
1733						W83637HF_REG_PWM_FREQ[i - 1]);
1734				if (i == 2 && (data->type == w83697hf))
1735					break;
1736			}
1737		}
1738		if (data->type != w83627hf) {
1739			for (i = 0; i < num_pwms; i++) {
1740				u8 tmp = w83627hf_read_value(data,
1741					W83627THF_REG_PWM_ENABLE[i]);
1742				data->pwm_enable[i] =
1743					((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1744					& 0x03) + 1;
1745			}
1746		}
1747		for (i = 0; i < num_temps; i++) {
1748			data->temp[i] = w83627hf_read_value(
1749						data, w83627hf_reg_temp[i]);
1750			data->temp_max[i] = w83627hf_read_value(
1751						data, w83627hf_reg_temp_over[i]);
1752			data->temp_max_hyst[i] = w83627hf_read_value(
1753						data, w83627hf_reg_temp_hyst[i]);
1754		}
1755
1756		w83627hf_update_fan_div(data);
1757
1758		data->alarms =
1759		    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1760		    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1761		    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1762		i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1763		data->beep_mask = (i << 8) |
1764		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1765		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1766		data->last_updated = jiffies;
1767		data->valid = 1;
1768	}
1769
1770	mutex_unlock(&data->update_lock);
1771
1772	return data;
1773}
1774
1775static int __init w83627hf_device_add(unsigned short address,
1776				      const struct w83627hf_sio_data *sio_data)
1777{
1778	struct resource res = {
1779		.start	= address + WINB_REGION_OFFSET,
1780		.end	= address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1781		.name	= DRVNAME,
1782		.flags	= IORESOURCE_IO,
1783	};
1784	int err;
1785
1786	err = acpi_check_resource_conflict(&res);
1787	if (err)
1788		goto exit;
1789
1790	pdev = platform_device_alloc(DRVNAME, address);
1791	if (!pdev) {
1792		err = -ENOMEM;
1793		pr_err("Device allocation failed\n");
1794		goto exit;
1795	}
1796
1797	err = platform_device_add_resources(pdev, &res, 1);
1798	if (err) {
1799		pr_err("Device resource addition failed (%d)\n", err);
1800		goto exit_device_put;
1801	}
1802
1803	err = platform_device_add_data(pdev, sio_data,
1804				       sizeof(struct w83627hf_sio_data));
1805	if (err) {
1806		pr_err("Platform data allocation failed\n");
1807		goto exit_device_put;
1808	}
1809
1810	err = platform_device_add(pdev);
1811	if (err) {
1812		pr_err("Device addition failed (%d)\n", err);
1813		goto exit_device_put;
1814	}
1815
1816	return 0;
1817
1818exit_device_put:
1819	platform_device_put(pdev);
1820exit:
1821	return err;
1822}
1823
1824static int __init sensors_w83627hf_init(void)
1825{
1826	int err;
1827	unsigned short address;
1828	struct w83627hf_sio_data sio_data;
1829
1830	if (w83627hf_find(0x2e, &address, &sio_data)
1831	 && w83627hf_find(0x4e, &address, &sio_data))
1832		return -ENODEV;
1833
1834	err = platform_driver_register(&w83627hf_driver);
1835	if (err)
1836		goto exit;
1837
1838	/* Sets global pdev as a side effect */
1839	err = w83627hf_device_add(address, &sio_data);
1840	if (err)
1841		goto exit_driver;
1842
1843	return 0;
1844
1845exit_driver:
1846	platform_driver_unregister(&w83627hf_driver);
1847exit:
1848	return err;
1849}
1850
1851static void __exit sensors_w83627hf_exit(void)
1852{
1853	platform_device_unregister(pdev);
1854	platform_driver_unregister(&w83627hf_driver);
1855}
1856
1857MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1858	      "Philip Edelbrock <phil@netroedge.com>, "
1859	      "and Mark Studebaker <mdsxyz123@yahoo.com>");
1860MODULE_DESCRIPTION("W83627HF driver");
1861MODULE_LICENSE("GPL");
1862
1863module_init(sensors_w83627hf_init);
1864module_exit(sensors_w83627hf_exit);