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 - 1012  Jean Delvare <jdelvare@suse.de>
   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 bool 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/*
 252 * Conversions. Limit checking is only done on the TO_REG
 253 * variants. Note that you should be a bit careful with which arguments
 254 * these macros are called: arguments may be evaluated more than once.
 255 * Fixing this is just not worth it.
 256 */
 257#define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 258#define IN_FROM_REG(val) ((val) * 16)
 259
 260static inline u8 FAN_TO_REG(long rpm, int div)
 261{
 262	if (rpm == 0)
 263		return 255;
 264	rpm = clamp_val(rpm, 1, 1000000);
 265	return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 266}
 267
 268#define TEMP_MIN (-128000)
 269#define TEMP_MAX ( 127000)
 270
 271/*
 272 * TEMP: 0.001C/bit (-128C to +127C)
 273 * REG: 1C/bit, two's complement
 274 */
 275static u8 TEMP_TO_REG(long temp)
 276{
 277	int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 278	ntemp += (ntemp < 0 ? -500 : 500);
 279	return (u8)(ntemp / 1000);
 280}
 281
 282static int TEMP_FROM_REG(u8 reg)
 283{
 284        return (s8)reg * 1000;
 285}
 286
 287#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 288
 289#define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 290
 291static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 292{
 293	unsigned long freq;
 294	freq = W83627HF_BASE_PWM_FREQ >> reg;
 295	return freq;
 296}
 297static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 298{
 299	u8 i;
 300	/*
 301	 * Only 5 dividers (1 2 4 8 16)
 302	 * Search for the nearest available frequency
 303	 */
 304	for (i = 0; i < 4; i++) {
 305		if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 306			    (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 307			break;
 308	}
 309	return i;
 310}
 311
 312static inline unsigned long pwm_freq_from_reg(u8 reg)
 313{
 314	/* Clock bit 8 -> 180 kHz or 24 MHz */
 315	unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 316
 317	reg &= 0x7f;
 318	/* This should not happen but anyway... */
 319	if (reg == 0)
 320		reg++;
 321	return clock / (reg << 8);
 322}
 323static inline u8 pwm_freq_to_reg(unsigned long val)
 324{
 325	/* Minimum divider value is 0x01 and maximum is 0x7F */
 326	if (val >= 93750)	/* The highest we can do */
 327		return 0x01;
 328	if (val >= 720)	/* Use 24 MHz clock */
 329		return 24000000UL / (val << 8);
 330	if (val < 6)		/* The lowest we can do */
 331		return 0xFF;
 332	else			/* Use 180 kHz clock */
 333		return 0x80 | (180000UL / (val << 8));
 334}
 335
 336#define BEEP_MASK_FROM_REG(val)		((val) & 0xff7fff)
 337#define BEEP_MASK_TO_REG(val)		((val) & 0xff7fff)
 338
 339#define DIV_FROM_REG(val) (1 << (val))
 340
 341static inline u8 DIV_TO_REG(long val)
 342{
 343	int i;
 344	val = clamp_val(val, 1, 128) >> 1;
 345	for (i = 0; i < 7; i++) {
 346		if (val == 0)
 347			break;
 348		val >>= 1;
 349	}
 350	return (u8)i;
 351}
 352
 353/*
 354 * For each registered chip, we need to keep some data in memory.
 355 * The structure is dynamically allocated.
 356 */
 357struct w83627hf_data {
 358	unsigned short addr;
 359	const char *name;
 360	struct device *hwmon_dev;
 361	struct mutex lock;
 362	enum chips type;
 363
 364	struct mutex update_lock;
 365	char valid;		/* !=0 if following fields are valid */
 366	unsigned long last_updated;	/* In jiffies */
 367
 368	u8 in[9];		/* Register value */
 369	u8 in_max[9];		/* Register value */
 370	u8 in_min[9];		/* Register value */
 371	u8 fan[3];		/* Register value */
 372	u8 fan_min[3];		/* Register value */
 373	u16 temp[3];		/* Register value */
 374	u16 temp_max[3];	/* Register value */
 375	u16 temp_max_hyst[3];	/* Register value */
 376	u8 fan_div[3];		/* Register encoding, shifted right */
 377	u8 vid;			/* Register encoding, combined */
 378	u32 alarms;		/* Register encoding, combined */
 379	u32 beep_mask;		/* Register encoding, combined */
 380	u8 pwm[3];		/* Register value */
 381	u8 pwm_enable[3];	/* 1 = manual
 382				 * 2 = thermal cruise (also called SmartFan I)
 383				 * 3 = fan speed cruise
 384				 */
 385	u8 pwm_freq[3];		/* Register value */
 386	u16 sens[3];		/* 1 = pentium diode; 2 = 3904 diode;
 387				 * 4 = thermistor
 388				 */
 389	u8 vrm;
 390	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
 391
 392#ifdef CONFIG_PM
 393	/* Remember extra register values over suspend/resume */
 394	u8 scfg1;
 395	u8 scfg2;
 396#endif
 397};
 398
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 399
 400static int w83627hf_probe(struct platform_device *pdev);
 401static int w83627hf_remove(struct platform_device *pdev);
 402
 403static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 404static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 405static void w83627hf_update_fan_div(struct w83627hf_data *data);
 406static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 407static void w83627hf_init_device(struct platform_device *pdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 408
 409#ifdef CONFIG_PM
 410static int w83627hf_suspend(struct device *dev)
 411{
 412	struct w83627hf_data *data = w83627hf_update_device(dev);
 413
 414	mutex_lock(&data->update_lock);
 415	data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 416	data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 417	mutex_unlock(&data->update_lock);
 418
 419	return 0;
 420}
 421
 422static int w83627hf_resume(struct device *dev)
 423{
 424	struct w83627hf_data *data = dev_get_drvdata(dev);
 425	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 426
 427	/* Restore limits */
 428	mutex_lock(&data->update_lock);
 429	for (i = 0; i <= 8; i++) {
 430		/* skip missing sensors */
 431		if (((data->type == w83697hf) && (i == 1)) ||
 432		    ((data->type != w83627hf && data->type != w83697hf)
 433		    && (i == 5 || i == 6)))
 434			continue;
 435		w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 436				     data->in_max[i]);
 437		w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 438				     data->in_min[i]);
 439	}
 440	for (i = 0; i <= 2; i++)
 441		w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 442				     data->fan_min[i]);
 443	for (i = 0; i < num_temps; i++) {
 444		w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 445				     data->temp_max[i]);
 446		w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 447				     data->temp_max_hyst[i]);
 448	}
 449
 450	/* Fixup BIOS bugs */
 451	if (data->type == w83627thf || data->type == w83637hf ||
 452	    data->type == w83687thf)
 453		w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 454				     data->vrm_ovt);
 455	w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 456	w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 457
 458	/* Force re-reading all values */
 459	data->valid = 0;
 460	mutex_unlock(&data->update_lock);
 461
 462	return 0;
 463}
 464
 465static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 466	.suspend = w83627hf_suspend,
 467	.resume = w83627hf_resume,
 468};
 469
 470#define W83627HF_DEV_PM_OPS	(&w83627hf_dev_pm_ops)
 471#else
 472#define W83627HF_DEV_PM_OPS	NULL
 473#endif /* CONFIG_PM */
 474
 475static struct platform_driver w83627hf_driver = {
 476	.driver = {
 477		.name	= DRVNAME,
 478		.pm	= W83627HF_DEV_PM_OPS,
 479	},
 480	.probe		= w83627hf_probe,
 481	.remove		= w83627hf_remove,
 482};
 483
 484static ssize_t
 485show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 486{
 487	int nr = to_sensor_dev_attr(devattr)->index;
 488	struct w83627hf_data *data = w83627hf_update_device(dev);
 489	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 490}
 491static ssize_t
 492show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 493{
 494	int nr = to_sensor_dev_attr(devattr)->index;
 495	struct w83627hf_data *data = w83627hf_update_device(dev);
 496	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 497}
 498static ssize_t
 499show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 500{
 501	int nr = to_sensor_dev_attr(devattr)->index;
 502	struct w83627hf_data *data = w83627hf_update_device(dev);
 503	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 504}
 505static ssize_t
 506store_in_min(struct device *dev, struct device_attribute *devattr,
 507	     const char *buf, size_t count)
 508{
 509	int nr = to_sensor_dev_attr(devattr)->index;
 510	struct w83627hf_data *data = dev_get_drvdata(dev);
 511	long val;
 512	int err;
 513
 514	err = kstrtol(buf, 10, &val);
 515	if (err)
 516		return err;
 
 
 
 
 
 
 
 517
 518	mutex_lock(&data->update_lock);
 519	data->in_min[nr] = IN_TO_REG(val);
 520	w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 521	mutex_unlock(&data->update_lock);
 522	return count;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 523}
 524static ssize_t
 525store_in_max(struct device *dev, struct device_attribute *devattr,
 526	     const char *buf, size_t count)
 527{
 528	int nr = to_sensor_dev_attr(devattr)->index;
 529	struct w83627hf_data *data = dev_get_drvdata(dev);
 530	long val;
 531	int err;
 532
 533	err = kstrtol(buf, 10, &val);
 534	if (err)
 535		return err;
 
 
 
 
 536
 537	mutex_lock(&data->update_lock);
 538	data->in_max[nr] = IN_TO_REG(val);
 539	w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 540	mutex_unlock(&data->update_lock);
 541	return count;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 542}
 543#define sysfs_vin_decl(offset) \
 544static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
 545			  show_in_input, NULL, offset);		\
 546static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,	\
 547			  show_in_min, store_in_min, offset);	\
 548static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,	\
 549			  show_in_max, store_in_max, offset);
 550
 551sysfs_vin_decl(1);
 552sysfs_vin_decl(2);
 553sysfs_vin_decl(3);
 554sysfs_vin_decl(4);
 555sysfs_vin_decl(5);
 556sysfs_vin_decl(6);
 557sysfs_vin_decl(7);
 558sysfs_vin_decl(8);
 559
 560/* use a different set of functions for in0 */
 561static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 562{
 563	long in0;
 564
 565	if ((data->vrm_ovt & 0x01) &&
 566		(w83627thf == data->type || w83637hf == data->type
 567		 || w83687thf == data->type))
 568
 569		/* use VRM9 calculation */
 570		in0 = (long)((reg * 488 + 70000 + 50) / 100);
 571	else
 572		/* use VRM8 (standard) calculation */
 573		in0 = (long)IN_FROM_REG(reg);
 574
 575	return sprintf(buf,"%ld\n", in0);
 576}
 577
 578static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 
 579{
 580	struct w83627hf_data *data = w83627hf_update_device(dev);
 581	return show_in_0(data, buf, data->in[0]);
 582}
 
 583
 584static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 
 585{
 586	struct w83627hf_data *data = w83627hf_update_device(dev);
 587	return show_in_0(data, buf, data->in_min[0]);
 588}
 589
 590static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 591{
 592	struct w83627hf_data *data = w83627hf_update_device(dev);
 593	return show_in_0(data, buf, data->in_max[0]);
 594}
 595
 596static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 597	const char *buf, size_t count)
 598{
 599	struct w83627hf_data *data = dev_get_drvdata(dev);
 600	unsigned long val;
 601	int err;
 602
 603	err = kstrtoul(buf, 10, &val);
 604	if (err)
 605		return err;
 606
 607	mutex_lock(&data->update_lock);
 608	
 609	if ((data->vrm_ovt & 0x01) &&
 610		(w83627thf == data->type || w83637hf == data->type
 611		 || w83687thf == data->type))
 612
 613		/* use VRM9 calculation */
 614		data->in_min[0] =
 615			clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 616	else
 617		/* use VRM8 (standard) calculation */
 618		data->in_min[0] = IN_TO_REG(val);
 619
 620	w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 621	mutex_unlock(&data->update_lock);
 622	return count;
 623}
 624
 625static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 626	const char *buf, size_t count)
 
 
 
 
 
 
 
 
 
 
 627{
 628	struct w83627hf_data *data = dev_get_drvdata(dev);
 629	unsigned long val;
 630	int err;
 631
 632	err = kstrtoul(buf, 10, &val);
 633	if (err)
 634		return err;
 635
 636	mutex_lock(&data->update_lock);
 637
 638	if ((data->vrm_ovt & 0x01) &&
 639		(w83627thf == data->type || w83637hf == data->type
 640		 || w83687thf == data->type))
 641		
 642		/* use VRM9 calculation */
 643		data->in_max[0] =
 644			clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 645	else
 646		/* use VRM8 (standard) calculation */
 647		data->in_max[0] = IN_TO_REG(val);
 648
 649	w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 650	mutex_unlock(&data->update_lock);
 651	return count;
 652}
 653
 654static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 655static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 656	show_regs_in_min0, store_regs_in_min0);
 657static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 658	show_regs_in_max0, store_regs_in_max0);
 659
 660static ssize_t
 661show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 662{
 663	int nr = to_sensor_dev_attr(devattr)->index;
 664	struct w83627hf_data *data = w83627hf_update_device(dev);
 665	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 666				(long)DIV_FROM_REG(data->fan_div[nr])));
 667}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 668static ssize_t
 669show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 670{
 671	int nr = to_sensor_dev_attr(devattr)->index;
 672	struct w83627hf_data *data = w83627hf_update_device(dev);
 673	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 674				(long)DIV_FROM_REG(data->fan_div[nr])));
 675}
 
 676static ssize_t
 677store_fan_min(struct device *dev, struct device_attribute *devattr,
 678	      const char *buf, size_t count)
 679{
 680	int nr = to_sensor_dev_attr(devattr)->index;
 681	struct w83627hf_data *data = dev_get_drvdata(dev);
 682	unsigned long val;
 
 
 683	int err;
 684
 685	err = kstrtoul(buf, 10, &val);
 686	if (err)
 687		return err;
 688
 
 
 
 689	mutex_lock(&data->update_lock);
 690	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 691	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 692			     data->fan_min[nr]);
 
 693
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 694	mutex_unlock(&data->update_lock);
 
 695	return count;
 696}
 697#define sysfs_fan_decl(offset)	\
 698static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,			\
 699			  show_fan_input, NULL, offset - 1);		\
 700static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,		\
 701			  show_fan_min, store_fan_min, offset - 1);
 702
 703sysfs_fan_decl(1);
 704sysfs_fan_decl(2);
 705sysfs_fan_decl(3);
 706
 707static ssize_t
 708show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 709{
 710	int nr = to_sensor_dev_attr(devattr)->index;
 711	struct w83627hf_data *data = w83627hf_update_device(dev);
 712
 713	u16 tmp = data->temp[nr];
 714	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 715					  : (long) TEMP_FROM_REG(tmp));
 716}
 
 
 
 
 
 
 
 
 
 
 
 
 717
 718static ssize_t
 719show_temp_max(struct device *dev, struct device_attribute *devattr,
 720	      char *buf)
 721{
 722	int nr = to_sensor_dev_attr(devattr)->index;
 723	struct w83627hf_data *data = w83627hf_update_device(dev);
 724
 725	u16 tmp = data->temp_max[nr];
 726	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 727					  : (long) TEMP_FROM_REG(tmp));
 728}
 729
 730static ssize_t
 731show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 732		   char *buf)
 733{
 734	int nr = to_sensor_dev_attr(devattr)->index;
 735	struct w83627hf_data *data = w83627hf_update_device(dev);
 736
 737	u16 tmp = data->temp_max_hyst[nr];
 738	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 739					  : (long) TEMP_FROM_REG(tmp));
 740}
 741
 742static ssize_t
 743store_temp_max(struct device *dev, struct device_attribute *devattr,
 744	       const char *buf, size_t count)
 745{
 746	int nr = to_sensor_dev_attr(devattr)->index;
 747	struct w83627hf_data *data = dev_get_drvdata(dev);
 748	u16 tmp;
 749	long val;
 750	int err;
 751
 752	err = kstrtol(buf, 10, &val);
 753	if (err)
 754		return err;
 755
 756	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 757	mutex_lock(&data->update_lock);
 758	data->temp_max[nr] = tmp;
 759	w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 760	mutex_unlock(&data->update_lock);
 761	return count;
 762}
 763
 764static ssize_t
 765store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 766		    const char *buf, size_t count)
 767{
 768	int nr = to_sensor_dev_attr(devattr)->index;
 769	struct w83627hf_data *data = dev_get_drvdata(dev);
 770	u16 tmp;
 771	long val;
 772	int err;
 773
 774	err = kstrtol(buf, 10, &val);
 775	if (err)
 776		return err;
 777
 778	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 779	mutex_lock(&data->update_lock);
 780	data->temp_max_hyst[nr] = tmp;
 781	w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 782	mutex_unlock(&data->update_lock);
 783	return count;
 784}
 785
 786#define sysfs_temp_decl(offset) \
 787static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,		\
 788			  show_temp, NULL, offset - 1);			\
 789static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,	 	\
 790			  show_temp_max, store_temp_max, offset - 1);	\
 791static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,	\
 792			  show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 793
 794sysfs_temp_decl(1);
 795sysfs_temp_decl(2);
 796sysfs_temp_decl(3);
 797
 798static ssize_t
 799show_vid_reg(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(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 805
 806static ssize_t
 807show_vrm_reg(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
 813store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 814{
 
 815	struct w83627hf_data *data = dev_get_drvdata(dev);
 816	unsigned long val;
 817	int err;
 818
 819	err = kstrtoul(buf, 10, &val);
 820	if (err)
 821		return err;
 822
 823	if (val > 255)
 824		return -EINVAL;
 825	data->vrm = val;
 826
 827	return count;
 828}
 829static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 830
 831static ssize_t
 832show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 833{
 834	struct w83627hf_data *data = w83627hf_update_device(dev);
 835	return sprintf(buf, "%ld\n", (long) data->alarms);
 836}
 837static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 838
 839static ssize_t
 840show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 
 841{
 
 842	struct w83627hf_data *data = w83627hf_update_device(dev);
 843	int bitnr = to_sensor_dev_attr(attr)->index;
 844	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 845}
 846static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 847static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 848static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 849static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 850static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 851static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 852static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 853static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 854static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 855static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 856static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 857static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 858static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 859static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 860static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 861
 862static ssize_t
 863show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 864{
 
 865	struct w83627hf_data *data = w83627hf_update_device(dev);
 866	return sprintf(buf, "%ld\n",
 867		      (long)BEEP_MASK_FROM_REG(data->beep_mask));
 868}
 869
 870static ssize_t
 871store_beep_mask(struct device *dev, struct device_attribute *attr,
 872		const char *buf, size_t count)
 873{
 
 874	struct w83627hf_data *data = dev_get_drvdata(dev);
 875	unsigned long val;
 876	int err;
 877
 878	err = kstrtoul(buf, 10, &val);
 879	if (err)
 880		return err;
 881
 882	mutex_lock(&data->update_lock);
 883
 884	/* preserve beep enable */
 885	data->beep_mask = (data->beep_mask & 0x8000)
 886			| BEEP_MASK_TO_REG(val);
 887	w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 888			    data->beep_mask & 0xff);
 889	w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 890			    ((data->beep_mask) >> 16) & 0xff);
 891	w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 892			    (data->beep_mask >> 8) & 0xff);
 893
 894	mutex_unlock(&data->update_lock);
 895	return count;
 896}
 897
 898static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 899		   show_beep_mask, store_beep_mask);
 
 
 
 
 900
 901static ssize_t
 902show_beep(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
 910store_beep(struct device *dev, struct device_attribute *attr,
 911		const char *buf, 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(in0_beep, S_IRUGO | S_IWUSR,
 960			show_beep, store_beep, 0);
 961static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 962			show_beep, store_beep, 1);
 963static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 964			show_beep, store_beep, 2);
 965static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 966			show_beep, store_beep, 3);
 967static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 968			show_beep, store_beep, 8);
 969static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 970			show_beep, store_beep, 9);
 971static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 972			show_beep, store_beep, 10);
 973static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 974			show_beep, store_beep, 16);
 975static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 976			show_beep, store_beep, 17);
 977static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 978			show_beep, store_beep, 6);
 979static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 980			show_beep, store_beep, 7);
 981static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 982			show_beep, store_beep, 11);
 983static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 984			show_beep, store_beep, 4);
 985static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 986			show_beep, store_beep, 5);
 987static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 988			show_beep, store_beep, 13);
 989static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 990			show_beep, store_beep, 15);
 991
 992static ssize_t
 993show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 994{
 995	int nr = to_sensor_dev_attr(devattr)->index;
 996	struct w83627hf_data *data = w83627hf_update_device(dev);
 997	return sprintf(buf, "%ld\n",
 998		       (long) DIV_FROM_REG(data->fan_div[nr]));
 999}
 
1000/*
1001 * Note: we save and restore the fan minimum here, because its value is
1002 * determined in part by the fan divisor.  This follows the principle of
1003 * least surprise; the user doesn't expect the fan minimum to change just
1004 * because the divisor changed.
1005 */
1006static ssize_t
1007store_fan_div(struct device *dev, struct device_attribute *devattr,
1008	      const char *buf, size_t count)
1009{
1010	int nr = to_sensor_dev_attr(devattr)->index;
1011	struct w83627hf_data *data = dev_get_drvdata(dev);
1012	unsigned long min;
1013	u8 reg;
1014	unsigned long val;
1015	int err;
1016
1017	err = kstrtoul(buf, 10, &val);
1018	if (err)
1019		return err;
1020
1021	mutex_lock(&data->update_lock);
1022
1023	/* Save fan_min */
1024	min = FAN_FROM_REG(data->fan_min[nr],
1025			   DIV_FROM_REG(data->fan_div[nr]));
1026
1027	data->fan_div[nr] = DIV_TO_REG(val);
1028
1029	reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1030	       & (nr==0 ? 0xcf : 0x3f))
1031	    | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1032	w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1033
1034	reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1035	       & ~(1 << (5 + nr)))
1036	    | ((data->fan_div[nr] & 0x04) << (3 + nr));
1037	w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1038
1039	/* Restore fan_min */
1040	data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1041	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1042
1043	mutex_unlock(&data->update_lock);
1044	return count;
1045}
1046
1047static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1048			  show_fan_div, store_fan_div, 0);
1049static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1050			  show_fan_div, store_fan_div, 1);
1051static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1052			  show_fan_div, store_fan_div, 2);
1053
1054static ssize_t
1055show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1056{
1057	int nr = to_sensor_dev_attr(devattr)->index;
1058	struct w83627hf_data *data = w83627hf_update_device(dev);
1059	return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1060}
1061
1062static ssize_t
1063store_pwm(struct device *dev, struct device_attribute *devattr,
1064	  const char *buf, size_t count)
1065{
1066	int nr = to_sensor_dev_attr(devattr)->index;
1067	struct w83627hf_data *data = dev_get_drvdata(dev);
1068	unsigned long val;
1069	int err;
1070
1071	err = kstrtoul(buf, 10, &val);
1072	if (err)
1073		return err;
1074
1075	mutex_lock(&data->update_lock);
1076
1077	if (data->type == w83627thf) {
1078		/* bits 0-3 are reserved  in 627THF */
1079		data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1080		w83627hf_write_value(data,
1081				     W836X7HF_REG_PWM(data->type, nr),
1082				     data->pwm[nr] |
1083				     (w83627hf_read_value(data,
1084				     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1085	} else {
1086		data->pwm[nr] = PWM_TO_REG(val);
1087		w83627hf_write_value(data,
1088				     W836X7HF_REG_PWM(data->type, nr),
1089				     data->pwm[nr]);
1090	}
1091
1092	mutex_unlock(&data->update_lock);
1093	return count;
1094}
1095
1096static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1097static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1098static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1099
1100static ssize_t
1101show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1102{
1103	int nr = to_sensor_dev_attr(devattr)->index;
1104	struct w83627hf_data *data = w83627hf_update_device(dev);
1105	return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 
 
 
1106}
1107
1108static ssize_t
1109store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1110	  const char *buf, size_t count)
1111{
1112	int nr = to_sensor_dev_attr(devattr)->index;
1113	struct w83627hf_data *data = dev_get_drvdata(dev);
1114	u8 reg;
1115	unsigned long val;
1116	int err;
1117
1118	err = kstrtoul(buf, 10, &val);
1119	if (err)
1120		return err;
1121
1122	if (!val || val > 3)	/* modes 1, 2 and 3 are supported */
1123		return -EINVAL;
1124	mutex_lock(&data->update_lock);
1125	data->pwm_enable[nr] = val;
1126	reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1127	reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1128	reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1129	w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1130	mutex_unlock(&data->update_lock);
1131	return count;
1132}
1133
1134static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1135						  store_pwm_enable, 0);
1136static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1137						  store_pwm_enable, 1);
1138static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1139						  store_pwm_enable, 2);
1140
1141static ssize_t
1142show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
 
1143{
1144	int nr = to_sensor_dev_attr(devattr)->index;
1145	struct w83627hf_data *data = w83627hf_update_device(dev);
1146	if (data->type == w83627hf)
1147		return sprintf(buf, "%ld\n",
1148			pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1149	else
1150		return sprintf(buf, "%ld\n",
1151			pwm_freq_from_reg(data->pwm_freq[nr]));
1152}
1153
1154static ssize_t
1155store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1156	       const char *buf, size_t count)
1157{
1158	int nr = to_sensor_dev_attr(devattr)->index;
1159	struct w83627hf_data *data = dev_get_drvdata(dev);
1160	static const u8 mask[]={0xF8, 0x8F};
1161	unsigned long val;
1162	int err;
1163
1164	err = kstrtoul(buf, 10, &val);
1165	if (err)
1166		return err;
1167
 
1168	mutex_lock(&data->update_lock);
1169
1170	if (data->type == w83627hf) {
1171		data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1172		w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1173				(data->pwm_freq[nr] << (nr*4)) |
1174				(w83627hf_read_value(data,
1175				W83627HF_REG_PWM_FREQ) & mask[nr]));
1176	} else {
1177		data->pwm_freq[nr] = pwm_freq_to_reg(val);
1178		w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1179				data->pwm_freq[nr]);
1180	}
1181
1182	mutex_unlock(&data->update_lock);
1183	return count;
1184}
1185
1186static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1187			  show_pwm_freq, store_pwm_freq, 0);
1188static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1189			  show_pwm_freq, store_pwm_freq, 1);
1190static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1191			  show_pwm_freq, store_pwm_freq, 2);
 
 
 
1192
1193static ssize_t
1194show_temp_type(struct device *dev, struct device_attribute *devattr,
1195	       char *buf)
1196{
1197	int nr = to_sensor_dev_attr(devattr)->index;
1198	struct w83627hf_data *data = w83627hf_update_device(dev);
1199	return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1200}
1201
1202static ssize_t
1203store_temp_type(struct device *dev, struct device_attribute *devattr,
1204		const char *buf, size_t count)
1205{
1206	int nr = to_sensor_dev_attr(devattr)->index;
1207	struct w83627hf_data *data = dev_get_drvdata(dev);
1208	unsigned long val;
1209	u32 tmp;
1210	int err;
1211
1212	err = kstrtoul(buf, 10, &val);
1213	if (err)
1214		return err;
1215
1216	mutex_lock(&data->update_lock);
1217
1218	switch (val) {
1219	case 1:		/* PII/Celeron diode */
1220		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1221		w83627hf_write_value(data, W83781D_REG_SCFG1,
1222				    tmp | BIT_SCFG1[nr]);
1223		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1224		w83627hf_write_value(data, W83781D_REG_SCFG2,
1225				    tmp | BIT_SCFG2[nr]);
1226		data->sens[nr] = val;
1227		break;
1228	case 2:		/* 3904 */
1229		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1230		w83627hf_write_value(data, W83781D_REG_SCFG1,
1231				    tmp | BIT_SCFG1[nr]);
1232		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1233		w83627hf_write_value(data, W83781D_REG_SCFG2,
1234				    tmp & ~BIT_SCFG2[nr]);
1235		data->sens[nr] = val;
1236		break;
1237	case W83781D_DEFAULT_BETA:
1238		dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1239			 "instead\n", W83781D_DEFAULT_BETA);
1240		/* fall through */
1241	case 4:		/* thermistor */
1242		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1243		w83627hf_write_value(data, W83781D_REG_SCFG1,
1244				    tmp & ~BIT_SCFG1[nr]);
1245		data->sens[nr] = val;
1246		break;
1247	default:
1248		dev_err(dev,
1249		       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1250		       (long) val);
1251		break;
1252	}
1253
1254	mutex_unlock(&data->update_lock);
1255	return count;
1256}
1257
1258#define sysfs_temp_type(offset) \
1259static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1260			  show_temp_type, store_temp_type, offset - 1);
1261
1262sysfs_temp_type(1);
1263sysfs_temp_type(2);
1264sysfs_temp_type(3);
1265
1266static ssize_t
1267show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1268{
1269	struct w83627hf_data *data = dev_get_drvdata(dev);
1270
1271	return sprintf(buf, "%s\n", data->name);
1272}
1273static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1274
1275static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1276				struct w83627hf_sio_data *sio_data)
1277{
1278	int err = -ENODEV;
1279	u16 val;
1280
1281	static __initconst char *const names[] = {
1282		"W83627HF",
1283		"W83627THF",
1284		"W83697HF",
1285		"W83637HF",
1286		"W83687THF",
1287	};
1288
1289	sio_data->sioaddr = sioaddr;
1290	superio_enter(sio_data);
1291	val = force_id ? force_id : superio_inb(sio_data, DEVID);
1292	switch (val) {
1293	case W627_DEVID:
1294		sio_data->type = w83627hf;
1295		break;
1296	case W627THF_DEVID:
1297		sio_data->type = w83627thf;
1298		break;
1299	case W697_DEVID:
1300		sio_data->type = w83697hf;
1301		break;
1302	case W637_DEVID:
1303		sio_data->type = w83637hf;
1304		break;
1305	case W687THF_DEVID:
1306		sio_data->type = w83687thf;
1307		break;
1308	case 0xff:	/* No device at all */
1309		goto exit;
1310	default:
1311		pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1312		goto exit;
1313	}
1314
1315	superio_select(sio_data, W83627HF_LD_HWM);
1316	val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1317	       superio_inb(sio_data, WINB_BASE_REG + 1);
1318	*addr = val & WINB_ALIGNMENT;
1319	if (*addr == 0) {
1320		pr_warn("Base address not set, skipping\n");
1321		goto exit;
1322	}
1323
1324	val = superio_inb(sio_data, WINB_ACT_REG);
1325	if (!(val & 0x01)) {
1326		pr_warn("Enabling HWM logical device\n");
1327		superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1328	}
1329
1330	err = 0;
1331	pr_info(DRVNAME ": Found %s chip at %#x\n",
1332		names[sio_data->type], *addr);
1333
1334 exit:
1335	superio_exit(sio_data);
1336	return err;
1337}
 
1338
1339#define VIN_UNIT_ATTRS(_X_)	\
1340	&sensor_dev_attr_in##_X_##_input.dev_attr.attr,		\
1341	&sensor_dev_attr_in##_X_##_min.dev_attr.attr,		\
1342	&sensor_dev_attr_in##_X_##_max.dev_attr.attr,		\
1343	&sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,		\
1344	&sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1345
1346#define FAN_UNIT_ATTRS(_X_)	\
1347	&sensor_dev_attr_fan##_X_##_input.dev_attr.attr,	\
1348	&sensor_dev_attr_fan##_X_##_min.dev_attr.attr,		\
1349	&sensor_dev_attr_fan##_X_##_div.dev_attr.attr,		\
1350	&sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,	\
1351	&sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1352
1353#define TEMP_UNIT_ATTRS(_X_)	\
1354	&sensor_dev_attr_temp##_X_##_input.dev_attr.attr,	\
1355	&sensor_dev_attr_temp##_X_##_max.dev_attr.attr,		\
1356	&sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,	\
1357	&sensor_dev_attr_temp##_X_##_type.dev_attr.attr,	\
1358	&sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,	\
1359	&sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1360
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1361static struct attribute *w83627hf_attributes[] = {
1362	&dev_attr_in0_input.attr,
1363	&dev_attr_in0_min.attr,
1364	&dev_attr_in0_max.attr,
1365	&sensor_dev_attr_in0_alarm.dev_attr.attr,
1366	&sensor_dev_attr_in0_beep.dev_attr.attr,
1367	VIN_UNIT_ATTRS(2),
1368	VIN_UNIT_ATTRS(3),
1369	VIN_UNIT_ATTRS(4),
1370	VIN_UNIT_ATTRS(7),
1371	VIN_UNIT_ATTRS(8),
1372
1373	FAN_UNIT_ATTRS(1),
1374	FAN_UNIT_ATTRS(2),
1375
1376	TEMP_UNIT_ATTRS(1),
1377	TEMP_UNIT_ATTRS(2),
1378
1379	&dev_attr_alarms.attr,
1380	&sensor_dev_attr_beep_enable.dev_attr.attr,
1381	&dev_attr_beep_mask.attr,
1382
1383	&sensor_dev_attr_pwm1.dev_attr.attr,
1384	&sensor_dev_attr_pwm2.dev_attr.attr,
1385	&dev_attr_name.attr,
1386	NULL
1387};
1388
1389static const struct attribute_group w83627hf_group = {
1390	.attrs = w83627hf_attributes,
1391};
1392
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1393static struct attribute *w83627hf_attributes_opt[] = {
1394	VIN_UNIT_ATTRS(1),
1395	VIN_UNIT_ATTRS(5),
1396	VIN_UNIT_ATTRS(6),
1397
1398	FAN_UNIT_ATTRS(3),
1399	TEMP_UNIT_ATTRS(3),
1400	&sensor_dev_attr_pwm3.dev_attr.attr,
1401
1402	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
1403	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
1404	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
1405
1406	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
1407	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
1408	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
1409
1410	NULL
1411};
1412
1413static const struct attribute_group w83627hf_group_opt = {
1414	.attrs = w83627hf_attributes_opt,
1415};
1416
1417static int w83627hf_probe(struct platform_device *pdev)
1418{
1419	struct device *dev = &pdev->dev;
1420	struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1421	struct w83627hf_data *data;
1422	struct resource *res;
1423	int err, i;
1424
1425	static const char *names[] = {
1426		"w83627hf",
1427		"w83627thf",
1428		"w83697hf",
1429		"w83637hf",
1430		"w83687thf",
1431	};
1432
1433	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1434	if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1435		dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1436			(unsigned long)res->start,
1437			(unsigned long)(res->start + WINB_REGION_SIZE - 1));
1438		return -EBUSY;
1439	}
1440
1441	data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1442	if (!data)
1443		return -ENOMEM;
1444
1445	data->addr = res->start;
1446	data->type = sio_data->type;
1447	data->name = names[sio_data->type];
1448	mutex_init(&data->lock);
1449	mutex_init(&data->update_lock);
1450	platform_set_drvdata(pdev, data);
1451
1452	/* Initialize the chip */
1453	w83627hf_init_device(pdev);
1454
1455	/* A few vars need to be filled upon startup */
1456	for (i = 0; i <= 2; i++)
1457		data->fan_min[i] = w83627hf_read_value(
1458					data, W83627HF_REG_FAN_MIN(i));
1459	w83627hf_update_fan_div(data);
1460
1461	/* Register common device attributes */
1462	err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1463	if (err)
1464		return err;
1465
1466	/* Register chip-specific device attributes */
1467	if (data->type == w83627hf || data->type == w83697hf)
1468		if ((err = device_create_file(dev,
1469				&sensor_dev_attr_in5_input.dev_attr))
1470		 || (err = device_create_file(dev,
1471				&sensor_dev_attr_in5_min.dev_attr))
1472		 || (err = device_create_file(dev,
1473				&sensor_dev_attr_in5_max.dev_attr))
1474		 || (err = device_create_file(dev,
1475				&sensor_dev_attr_in5_alarm.dev_attr))
1476		 || (err = device_create_file(dev,
1477				&sensor_dev_attr_in5_beep.dev_attr))
1478		 || (err = device_create_file(dev,
1479				&sensor_dev_attr_in6_input.dev_attr))
1480		 || (err = device_create_file(dev,
1481				&sensor_dev_attr_in6_min.dev_attr))
1482		 || (err = device_create_file(dev,
1483				&sensor_dev_attr_in6_max.dev_attr))
1484		 || (err = device_create_file(dev,
1485				&sensor_dev_attr_in6_alarm.dev_attr))
1486		 || (err = device_create_file(dev,
1487				&sensor_dev_attr_in6_beep.dev_attr))
1488		 || (err = device_create_file(dev,
1489				&sensor_dev_attr_pwm1_freq.dev_attr))
1490		 || (err = device_create_file(dev,
1491				&sensor_dev_attr_pwm2_freq.dev_attr)))
1492			goto error;
1493
1494	if (data->type != w83697hf)
1495		if ((err = device_create_file(dev,
1496				&sensor_dev_attr_in1_input.dev_attr))
1497		 || (err = device_create_file(dev,
1498				&sensor_dev_attr_in1_min.dev_attr))
1499		 || (err = device_create_file(dev,
1500				&sensor_dev_attr_in1_max.dev_attr))
1501		 || (err = device_create_file(dev,
1502				&sensor_dev_attr_in1_alarm.dev_attr))
1503		 || (err = device_create_file(dev,
1504				&sensor_dev_attr_in1_beep.dev_attr))
1505		 || (err = device_create_file(dev,
1506				&sensor_dev_attr_fan3_input.dev_attr))
1507		 || (err = device_create_file(dev,
1508				&sensor_dev_attr_fan3_min.dev_attr))
1509		 || (err = device_create_file(dev,
1510				&sensor_dev_attr_fan3_div.dev_attr))
1511		 || (err = device_create_file(dev,
1512				&sensor_dev_attr_fan3_alarm.dev_attr))
1513		 || (err = device_create_file(dev,
1514				&sensor_dev_attr_fan3_beep.dev_attr))
1515		 || (err = device_create_file(dev,
1516				&sensor_dev_attr_temp3_input.dev_attr))
1517		 || (err = device_create_file(dev,
1518				&sensor_dev_attr_temp3_max.dev_attr))
1519		 || (err = device_create_file(dev,
1520				&sensor_dev_attr_temp3_max_hyst.dev_attr))
1521		 || (err = device_create_file(dev,
1522				&sensor_dev_attr_temp3_alarm.dev_attr))
1523		 || (err = device_create_file(dev,
1524				&sensor_dev_attr_temp3_beep.dev_attr))
1525		 || (err = device_create_file(dev,
1526				&sensor_dev_attr_temp3_type.dev_attr)))
1527			goto error;
1528
1529	if (data->type != w83697hf && data->vid != 0xff) {
1530		/* Convert VID to voltage based on VRM */
1531		data->vrm = vid_which_vrm();
1532
1533		if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1534		 || (err = device_create_file(dev, &dev_attr_vrm)))
1535			goto error;
1536	}
1537
1538	if (data->type == w83627thf || data->type == w83637hf
1539	    || data->type == w83687thf) {
1540		err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1541		if (err)
1542			goto error;
1543	}
1544
1545	if (data->type == w83637hf || data->type == w83687thf)
1546		if ((err = device_create_file(dev,
1547				&sensor_dev_attr_pwm1_freq.dev_attr))
1548		 || (err = device_create_file(dev,
1549				&sensor_dev_attr_pwm2_freq.dev_attr))
1550		 || (err = device_create_file(dev,
1551				&sensor_dev_attr_pwm3_freq.dev_attr)))
1552			goto error;
1553
1554	if (data->type != w83627hf)
1555		if ((err = device_create_file(dev,
1556				&sensor_dev_attr_pwm1_enable.dev_attr))
1557		 || (err = device_create_file(dev,
1558				&sensor_dev_attr_pwm2_enable.dev_attr)))
1559			goto error;
1560
1561	if (data->type == w83627thf || data->type == w83637hf
1562	    || data->type == w83687thf) {
1563		err = device_create_file(dev,
1564					 &sensor_dev_attr_pwm3_enable.dev_attr);
1565		if (err)
1566			goto error;
1567	}
1568
1569	data->hwmon_dev = hwmon_device_register(dev);
1570	if (IS_ERR(data->hwmon_dev)) {
1571		err = PTR_ERR(data->hwmon_dev);
1572		goto error;
1573	}
1574
1575	return 0;
1576
1577 error:
1578	sysfs_remove_group(&dev->kobj, &w83627hf_group);
1579	sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1580	return err;
1581}
1582
1583static int w83627hf_remove(struct platform_device *pdev)
1584{
1585	struct w83627hf_data *data = platform_get_drvdata(pdev);
1586
1587	hwmon_device_unregister(data->hwmon_dev);
1588
1589	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1590	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1591
1592	return 0;
1593}
1594
1595
1596/* Registers 0x50-0x5f are banked */
1597static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1598{
1599	if ((reg & 0x00f0) == 0x50) {
1600		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1601		outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1602	}
1603}
1604
1605/* Not strictly necessary, but play it safe for now */
1606static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1607{
1608	if (reg & 0xff00) {
1609		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1610		outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1611	}
1612}
1613
1614static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 
1615{
1616	int res, word_sized;
1617
1618	mutex_lock(&data->lock);
1619	word_sized = (((reg & 0xff00) == 0x100)
1620		   || ((reg & 0xff00) == 0x200))
1621		  && (((reg & 0x00ff) == 0x50)
1622		   || ((reg & 0x00ff) == 0x53)
1623		   || ((reg & 0x00ff) == 0x55));
1624	w83627hf_set_bank(data, reg);
1625	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1626	res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1627	if (word_sized) {
1628		outb_p((reg & 0xff) + 1,
1629		       data->addr + W83781D_ADDR_REG_OFFSET);
1630		res =
1631		    (res << 8) + inb_p(data->addr +
1632				       W83781D_DATA_REG_OFFSET);
1633	}
1634	w83627hf_reset_bank(data, reg);
1635	mutex_unlock(&data->lock);
1636	return res;
1637}
1638
1639static int w83627thf_read_gpio5(struct platform_device *pdev)
1640{
1641	struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1642	int res = 0xff, sel;
 
 
 
1643
1644	superio_enter(sio_data);
1645	superio_select(sio_data, W83627HF_LD_GPIO5);
 
 
1646
1647	/* Make sure these GPIO pins are enabled */
1648	if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1649		dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1650		goto exit;
1651	}
1652
1653	/*
1654	 * Make sure the pins are configured for input
1655	 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1656	 */
1657	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1658	if ((sel & 0x1f) != 0x1f) {
1659		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1660			"function\n");
1661		goto exit;
1662	}
1663
1664	dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1665	res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1666
1667exit:
1668	superio_exit(sio_data);
1669	return res;
1670}
1671
1672static int w83687thf_read_vid(struct platform_device *pdev)
1673{
1674	struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1675	int res = 0xff;
1676
1677	superio_enter(sio_data);
1678	superio_select(sio_data, W83627HF_LD_HWM);
1679
1680	/* Make sure these GPIO pins are enabled */
1681	if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1682		dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
 
1683		goto exit;
1684	}
1685
1686	/* Make sure the pins are configured for input */
1687	if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1688		dev_dbg(&pdev->dev, "VID configured as output, "
1689			"no VID function\n");
1690		goto exit;
1691	}
1692
1693	res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
 
 
1694
1695exit:
1696	superio_exit(sio_data);
1697	return res;
1698}
1699
1700static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1701{
1702	int word_sized;
1703
1704	mutex_lock(&data->lock);
1705	word_sized = (((reg & 0xff00) == 0x100)
1706		   || ((reg & 0xff00) == 0x200))
1707		  && (((reg & 0x00ff) == 0x53)
1708		   || ((reg & 0x00ff) == 0x55));
1709	w83627hf_set_bank(data, reg);
1710	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1711	if (word_sized) {
1712		outb_p(value >> 8,
1713		       data->addr + W83781D_DATA_REG_OFFSET);
1714		outb_p((reg & 0xff) + 1,
1715		       data->addr + W83781D_ADDR_REG_OFFSET);
1716	}
1717	outb_p(value & 0xff,
1718	       data->addr + W83781D_DATA_REG_OFFSET);
1719	w83627hf_reset_bank(data, reg);
1720	mutex_unlock(&data->lock);
1721	return 0;
1722}
1723
1724static void w83627hf_init_device(struct platform_device *pdev)
1725{
1726	struct w83627hf_data *data = platform_get_drvdata(pdev);
1727	int i;
1728	enum chips type = data->type;
1729	u8 tmp;
1730
1731	/* Minimize conflicts with other winbond i2c-only clients...  */
1732	/* disable i2c subclients... how to disable main i2c client?? */
1733	/* force i2c address to relatively uncommon address */
1734	if (type == w83627hf) {
1735		w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1736		w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1737	}
1738
1739	/* Read VID only once */
1740	if (type == w83627hf || type == w83637hf) {
1741		int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1742		int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1743		data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1744	} else if (type == w83627thf) {
1745		data->vid = w83627thf_read_gpio5(pdev);
1746	} else if (type == w83687thf) {
1747		data->vid = w83687thf_read_vid(pdev);
1748	}
1749
1750	/* Read VRM & OVT Config only once */
1751	if (type == w83627thf || type == w83637hf || type == w83687thf) {
1752		data->vrm_ovt = 
1753			w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1754	}
1755
1756	tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1757	for (i = 1; i <= 3; i++) {
1758		if (!(tmp & BIT_SCFG1[i - 1])) {
1759			data->sens[i - 1] = 4;
1760		} else {
1761			if (w83627hf_read_value
1762			    (data,
1763			     W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1764				data->sens[i - 1] = 1;
1765			else
1766				data->sens[i - 1] = 2;
1767		}
1768		if ((type == w83697hf) && (i == 2))
1769			break;
1770	}
1771
1772	if(init) {
1773		/* Enable temp2 */
1774		tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1775		if (tmp & 0x01) {
1776			dev_warn(&pdev->dev, "Enabling temp2, readings "
1777				 "might not make sense\n");
1778			w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1779				tmp & 0xfe);
1780		}
1781
1782		/* Enable temp3 */
1783		if (type != w83697hf) {
1784			tmp = w83627hf_read_value(data,
1785				W83627HF_REG_TEMP3_CONFIG);
1786			if (tmp & 0x01) {
1787				dev_warn(&pdev->dev, "Enabling temp3, "
1788					 "readings might not make sense\n");
1789				w83627hf_write_value(data,
1790					W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1791			}
1792		}
1793	}
1794
1795	/* Start monitoring */
1796	w83627hf_write_value(data, W83781D_REG_CONFIG,
1797			    (w83627hf_read_value(data,
1798						W83781D_REG_CONFIG) & 0xf7)
1799			    | 0x01);
1800
1801	/* Enable VBAT monitoring if needed */
1802	tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1803	if (!(tmp & 0x01))
1804		w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1805}
1806
1807static void w83627hf_update_fan_div(struct w83627hf_data *data)
1808{
1809	int reg;
1810
1811	reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1812	data->fan_div[0] = (reg >> 4) & 0x03;
1813	data->fan_div[1] = (reg >> 6) & 0x03;
1814	if (data->type != w83697hf) {
1815		data->fan_div[2] = (w83627hf_read_value(data,
1816				       W83781D_REG_PIN) >> 6) & 0x03;
1817	}
1818	reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1819	data->fan_div[0] |= (reg >> 3) & 0x04;
1820	data->fan_div[1] |= (reg >> 4) & 0x04;
1821	if (data->type != w83697hf)
1822		data->fan_div[2] |= (reg >> 5) & 0x04;
1823}
1824
1825static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1826{
1827	struct w83627hf_data *data = dev_get_drvdata(dev);
1828	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1829	int num_pwms = (data->type == w83697hf) ? 2 : 3;
1830
1831	mutex_lock(&data->update_lock);
1832
1833	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1834	    || !data->valid) {
1835		for (i = 0; i <= 8; i++) {
1836			/* skip missing sensors */
1837			if (((data->type == w83697hf) && (i == 1)) ||
1838			    ((data->type != w83627hf && data->type != w83697hf)
1839			    && (i == 5 || i == 6)))
1840				continue;
1841			data->in[i] =
1842			    w83627hf_read_value(data, W83781D_REG_IN(i));
1843			data->in_min[i] =
1844			    w83627hf_read_value(data,
1845					       W83781D_REG_IN_MIN(i));
1846			data->in_max[i] =
1847			    w83627hf_read_value(data,
1848					       W83781D_REG_IN_MAX(i));
1849		}
1850		for (i = 0; i <= 2; i++) {
1851			data->fan[i] =
1852			    w83627hf_read_value(data, W83627HF_REG_FAN(i));
1853			data->fan_min[i] =
1854			    w83627hf_read_value(data,
1855					       W83627HF_REG_FAN_MIN(i));
1856		}
1857		for (i = 0; i <= 2; i++) {
1858			u8 tmp = w83627hf_read_value(data,
1859				W836X7HF_REG_PWM(data->type, i));
1860 			/* bits 0-3 are reserved  in 627THF */
1861 			if (data->type == w83627thf)
1862				tmp &= 0xf0;
1863			data->pwm[i] = tmp;
1864			if (i == 1 &&
1865			    (data->type == w83627hf || data->type == w83697hf))
1866				break;
1867		}
1868		if (data->type == w83627hf) {
1869				u8 tmp = w83627hf_read_value(data,
1870						W83627HF_REG_PWM_FREQ);
1871				data->pwm_freq[0] = tmp & 0x07;
1872				data->pwm_freq[1] = (tmp >> 4) & 0x07;
1873		} else if (data->type != w83627thf) {
1874			for (i = 1; i <= 3; i++) {
1875				data->pwm_freq[i - 1] =
1876					w83627hf_read_value(data,
1877						W83637HF_REG_PWM_FREQ[i - 1]);
1878				if (i == 2 && (data->type == w83697hf))
1879					break;
1880			}
1881		}
1882		if (data->type != w83627hf) {
1883			for (i = 0; i < num_pwms; i++) {
1884				u8 tmp = w83627hf_read_value(data,
1885					W83627THF_REG_PWM_ENABLE[i]);
1886				data->pwm_enable[i] =
1887					((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1888					& 0x03) + 1;
1889			}
1890		}
1891		for (i = 0; i < num_temps; i++) {
1892			data->temp[i] = w83627hf_read_value(
1893						data, w83627hf_reg_temp[i]);
1894			data->temp_max[i] = w83627hf_read_value(
1895						data, w83627hf_reg_temp_over[i]);
1896			data->temp_max_hyst[i] = w83627hf_read_value(
1897						data, w83627hf_reg_temp_hyst[i]);
1898		}
1899
1900		w83627hf_update_fan_div(data);
1901
1902		data->alarms =
1903		    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1904		    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1905		    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1906		i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1907		data->beep_mask = (i << 8) |
1908		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1909		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1910		data->last_updated = jiffies;
1911		data->valid = 1;
1912	}
1913
1914	mutex_unlock(&data->update_lock);
1915
1916	return data;
1917}
1918
1919static int __init w83627hf_device_add(unsigned short address,
1920				      const struct w83627hf_sio_data *sio_data)
1921{
1922	struct resource res = {
1923		.start	= address + WINB_REGION_OFFSET,
1924		.end	= address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1925		.name	= DRVNAME,
1926		.flags	= IORESOURCE_IO,
1927	};
1928	int err;
1929
1930	err = acpi_check_resource_conflict(&res);
1931	if (err)
1932		goto exit;
1933
1934	pdev = platform_device_alloc(DRVNAME, address);
1935	if (!pdev) {
1936		err = -ENOMEM;
1937		pr_err("Device allocation failed\n");
1938		goto exit;
1939	}
1940
1941	err = platform_device_add_resources(pdev, &res, 1);
1942	if (err) {
1943		pr_err("Device resource addition failed (%d)\n", err);
1944		goto exit_device_put;
1945	}
1946
1947	err = platform_device_add_data(pdev, sio_data,
1948				       sizeof(struct w83627hf_sio_data));
1949	if (err) {
1950		pr_err("Platform data allocation failed\n");
1951		goto exit_device_put;
1952	}
1953
1954	err = platform_device_add(pdev);
1955	if (err) {
1956		pr_err("Device addition failed (%d)\n", err);
1957		goto exit_device_put;
1958	}
1959
1960	return 0;
1961
1962exit_device_put:
1963	platform_device_put(pdev);
1964exit:
1965	return err;
1966}
1967
1968static int __init sensors_w83627hf_init(void)
1969{
1970	int err;
1971	unsigned short address;
1972	struct w83627hf_sio_data sio_data;
1973
1974	if (w83627hf_find(0x2e, &address, &sio_data)
1975	 && w83627hf_find(0x4e, &address, &sio_data))
1976		return -ENODEV;
1977
1978	err = platform_driver_register(&w83627hf_driver);
1979	if (err)
1980		goto exit;
1981
1982	/* Sets global pdev as a side effect */
1983	err = w83627hf_device_add(address, &sio_data);
1984	if (err)
1985		goto exit_driver;
1986
1987	return 0;
1988
1989exit_driver:
1990	platform_driver_unregister(&w83627hf_driver);
1991exit:
1992	return err;
1993}
1994
1995static void __exit sensors_w83627hf_exit(void)
1996{
1997	platform_device_unregister(pdev);
1998	platform_driver_unregister(&w83627hf_driver);
1999}
2000
2001MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2002	      "Philip Edelbrock <phil@netroedge.com>, "
2003	      "and Mark Studebaker <mdsxyz123@yahoo.com>");
2004MODULE_DESCRIPTION("W83627HF driver");
2005MODULE_LICENSE("GPL");
2006
2007module_init(sensors_w83627hf_init);
2008module_exit(sensors_w83627hf_exit);