1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   4 *		monitoring
   5 * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   6 *			      Philip Edelbrock <phil@netroedge.com>,
   7 *			      and Mark Studebaker <mdsxyz123@yahoo.com>
   8 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   9 * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  10 */
  11
  12/*
  13 * Supports following chips:
  14 *
  15 * Chip		#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
  16 * w83627hf	9	3	2	3	0x20	0x5ca3	no	yes(LPC)
  17 * w83627thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
  18 * w83637hf	7	3	3	3	0x80	0x5ca3	no	yes(LPC)
  19 * w83687thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
  20 * w83697hf	8	2	2	2	0x60	0x5ca3	no	yes(LPC)
  21 *
  22 * For other winbond chips, and for i2c support in the above chips,
  23 * use w83781d.c.
  24 *
  25 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  26 * supported yet.
  27 */
  28
  29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  30
  31#include <linux/module.h>
  32#include <linux/init.h>
  33#include <linux/slab.h>
  34#include <linux/jiffies.h>
  35#include <linux/platform_device.h>
  36#include <linux/hwmon.h>
  37#include <linux/hwmon-sysfs.h>
  38#include <linux/hwmon-vid.h>
  39#include <linux/err.h>
  40#include <linux/mutex.h>
  41#include <linux/ioport.h>
  42#include <linux/acpi.h>
  43#include <linux/io.h>
  44#include "lm75.h"
  45
  46static struct platform_device *pdev;
  47
  48#define DRVNAME "w83627hf"
  49enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  50
  51struct w83627hf_sio_data {
  52	enum chips type;
  53	int sioaddr;
  54};
  55
  56static u8 force_i2c = 0x1f;
  57module_param(force_i2c, byte, 0);
  58MODULE_PARM_DESC(force_i2c,
  59		 "Initialize the i2c address of the sensors");
  60
  61static bool init = 1;
  62module_param(init, bool, 0);
  63MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  64
  65static unsigned short force_id;
  66module_param(force_id, ushort, 0);
  67MODULE_PARM_DESC(force_id, "Override the detected device ID");
  68
  69/* modified from kernel/include/traps.c */
  70#define DEV			0x07 /* Register: Logical device select */
  71
  72/* logical device numbers for superio_select (below) */
  73#define W83627HF_LD_FDC		0x00
  74#define W83627HF_LD_PRT		0x01
  75#define W83627HF_LD_UART1	0x02
  76#define W83627HF_LD_UART2	0x03
  77#define W83627HF_LD_KBC		0x05
  78#define W83627HF_LD_CIR		0x06 /* w83627hf only */
  79#define W83627HF_LD_GAME	0x07
  80#define W83627HF_LD_MIDI	0x07
  81#define W83627HF_LD_GPIO1	0x07
  82#define W83627HF_LD_GPIO5	0x07 /* w83627thf only */
  83#define W83627HF_LD_GPIO2	0x08
  84#define W83627HF_LD_GPIO3	0x09
  85#define W83627HF_LD_GPIO4	0x09 /* w83627thf only */
  86#define W83627HF_LD_ACPI	0x0a
  87#define W83627HF_LD_HWM		0x0b
  88
  89#define DEVID			0x20 /* Register: Device ID */
  90
  91#define W83627THF_GPIO5_EN	0x30 /* w83627thf only */
  92#define W83627THF_GPIO5_IOSR	0xf3 /* w83627thf only */
  93#define W83627THF_GPIO5_DR	0xf4 /* w83627thf only */
  94
  95#define W83687THF_VID_EN	0x29 /* w83687thf only */
  96#define W83687THF_VID_CFG	0xF0 /* w83687thf only */
  97#define W83687THF_VID_DATA	0xF1 /* w83687thf only */
  98
  99static inline void
 100superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 101{
 102	outb(reg, sio->sioaddr);
 103	outb(val, sio->sioaddr + 1);
 104}
 105
 106static inline int
 107superio_inb(struct w83627hf_sio_data *sio, int reg)
 108{
 109	outb(reg, sio->sioaddr);
 110	return inb(sio->sioaddr + 1);
 111}
 112
 113static inline void
 114superio_select(struct w83627hf_sio_data *sio, int ld)
 115{
 116	outb(DEV, sio->sioaddr);
 117	outb(ld,  sio->sioaddr + 1);
 118}
 119
 120static inline int
 121superio_enter(struct w83627hf_sio_data *sio)
 122{
 123	if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
 124		return -EBUSY;
 125
 126	outb(0x87, sio->sioaddr);
 127	outb(0x87, sio->sioaddr);
 128
 129	return 0;
 130}
 131
 132static inline void
 133superio_exit(struct w83627hf_sio_data *sio)
 134{
 135	outb(0xAA, sio->sioaddr);
 136	release_region(sio->sioaddr, 2);
 137}
 138
 139#define W627_DEVID 0x52
 140#define W627THF_DEVID 0x82
 141#define W697_DEVID 0x60
 142#define W637_DEVID 0x70
 143#define W687THF_DEVID 0x85
 144#define WINB_ACT_REG 0x30
 145#define WINB_BASE_REG 0x60
 146/* Constants specified below */
 147
 148/* Alignment of the base address */
 149#define WINB_ALIGNMENT		~7
 150
 151/* Offset & size of I/O region we are interested in */
 152#define WINB_REGION_OFFSET	5
 153#define WINB_REGION_SIZE	2
 154
 155/* Where are the sensors address/data registers relative to the region offset */
 156#define W83781D_ADDR_REG_OFFSET 0
 157#define W83781D_DATA_REG_OFFSET 1
 158
 159/* The W83781D registers */
 160/* The W83782D registers for nr=7,8 are in bank 5 */
 161#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 162					   (0x554 + (((nr) - 7) * 2)))
 163#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 164					   (0x555 + (((nr) - 7) * 2)))
 165#define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 166					   (0x550 + (nr) - 7))
 167
 168/* nr:0-2 for fans:1-3 */
 169#define W83627HF_REG_FAN_MIN(nr)	(0x3b + (nr))
 170#define W83627HF_REG_FAN(nr)		(0x28 + (nr))
 171
 172#define W83627HF_REG_TEMP2_CONFIG 0x152
 173#define W83627HF_REG_TEMP3_CONFIG 0x252
 174/* these are zero-based, unlike config constants above */
 175static const u16 w83627hf_reg_temp[]		= { 0x27, 0x150, 0x250 };
 176static const u16 w83627hf_reg_temp_hyst[]	= { 0x3A, 0x153, 0x253 };
 177static const u16 w83627hf_reg_temp_over[]	= { 0x39, 0x155, 0x255 };
 178
 179#define W83781D_REG_BANK 0x4E
 180
 181#define W83781D_REG_CONFIG 0x40
 182#define W83781D_REG_ALARM1 0x459
 183#define W83781D_REG_ALARM2 0x45A
 184#define W83781D_REG_ALARM3 0x45B
 185
 186#define W83781D_REG_BEEP_CONFIG 0x4D
 187#define W83781D_REG_BEEP_INTS1 0x56
 188#define W83781D_REG_BEEP_INTS2 0x57
 189#define W83781D_REG_BEEP_INTS3 0x453
 190
 191#define W83781D_REG_VID_FANDIV 0x47
 192
 193#define W83781D_REG_CHIPID 0x49
 194#define W83781D_REG_WCHIPID 0x58
 195#define W83781D_REG_CHIPMAN 0x4F
 196#define W83781D_REG_PIN 0x4B
 197
 198#define W83781D_REG_VBAT 0x5D
 199
 200#define W83627HF_REG_PWM1 0x5A
 201#define W83627HF_REG_PWM2 0x5B
 202
 203static const u8 W83627THF_REG_PWM_ENABLE[] = {
 204	0x04,		/* FAN 1 mode */
 205	0x04,		/* FAN 2 mode */
 206	0x12,		/* FAN AUX mode */
 207};
 208static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 209
 210#define W83627THF_REG_PWM1		0x01	/* 697HF/637HF/687THF too */
 211#define W83627THF_REG_PWM2		0x03	/* 697HF/637HF/687THF too */
 212#define W83627THF_REG_PWM3		0x11	/* 637HF/687THF too */
 213
 214#define W83627THF_REG_VRM_OVT_CFG 	0x18	/* 637HF/687THF too */
 215
 216static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 217static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 218                             W83627THF_REG_PWM3 };
 219#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 220				    regpwm_627hf[nr] : regpwm[nr])
 221
 222#define W83627HF_REG_PWM_FREQ		0x5C	/* Only for the 627HF */
 223
 224#define W83637HF_REG_PWM_FREQ1		0x00	/* 697HF/687THF too */
 225#define W83637HF_REG_PWM_FREQ2		0x02	/* 697HF/687THF too */
 226#define W83637HF_REG_PWM_FREQ3		0x10	/* 687THF too */
 227
 228static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 229					W83637HF_REG_PWM_FREQ2,
 230					W83637HF_REG_PWM_FREQ3 };
 231
 232#define W83627HF_BASE_PWM_FREQ	46870
 233
 234#define W83781D_REG_I2C_ADDR 0x48
 235#define W83781D_REG_I2C_SUBADDR 0x4A
 236
 237/* Sensor selection */
 238#define W83781D_REG_SCFG1 0x5D
 239static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 240#define W83781D_REG_SCFG2 0x59
 241static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 242#define W83781D_DEFAULT_BETA 3435
 243
 244/*
 245 * Conversions. Limit checking is only done on the TO_REG
 246 * variants. Note that you should be a bit careful with which arguments
 247 * these macros are called: arguments may be evaluated more than once.
 248 * Fixing this is just not worth it.
 249 */
 250#define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 251#define IN_FROM_REG(val) ((val) * 16)
 252
 253static inline u8 FAN_TO_REG(long rpm, int div)
 254{
 255	if (rpm == 0)
 256		return 255;
 257	rpm = clamp_val(rpm, 1, 1000000);
 258	return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 259}
 260
 261#define TEMP_MIN (-128000)
 262#define TEMP_MAX ( 127000)
 263
 264/*
 265 * TEMP: 0.001C/bit (-128C to +127C)
 266 * REG: 1C/bit, two's complement
 267 */
 268static u8 TEMP_TO_REG(long temp)
 269{
 270	int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 271	ntemp += (ntemp < 0 ? -500 : 500);
 272	return (u8)(ntemp / 1000);
 273}
 274
 275static int TEMP_FROM_REG(u8 reg)
 276{
 277        return (s8)reg * 1000;
 278}
 279
 280#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 281
 282#define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 283
 284static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 285{
 286	unsigned long freq;
 287	freq = W83627HF_BASE_PWM_FREQ >> reg;
 288	return freq;
 289}
 290static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 291{
 292	u8 i;
 293	/*
 294	 * Only 5 dividers (1 2 4 8 16)
 295	 * Search for the nearest available frequency
 296	 */
 297	for (i = 0; i < 4; i++) {
 298		if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 299			    (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 300			break;
 301	}
 302	return i;
 303}
 304
 305static inline unsigned long pwm_freq_from_reg(u8 reg)
 306{
 307	/* Clock bit 8 -> 180 kHz or 24 MHz */
 308	unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 309
 310	reg &= 0x7f;
 311	/* This should not happen but anyway... */
 312	if (reg == 0)
 313		reg++;
 314	return clock / (reg << 8);
 315}
 316static inline u8 pwm_freq_to_reg(unsigned long val)
 317{
 318	/* Minimum divider value is 0x01 and maximum is 0x7F */
 319	if (val >= 93750)	/* The highest we can do */
 320		return 0x01;
 321	if (val >= 720)	/* Use 24 MHz clock */
 322		return 24000000UL / (val << 8);
 323	if (val < 6)		/* The lowest we can do */
 324		return 0xFF;
 325	else			/* Use 180 kHz clock */
 326		return 0x80 | (180000UL / (val << 8));
 327}
 328
 329#define BEEP_MASK_FROM_REG(val)		((val) & 0xff7fff)
 330#define BEEP_MASK_TO_REG(val)		((val) & 0xff7fff)
 331
 332#define DIV_FROM_REG(val) (1 << (val))
 333
 334static inline u8 DIV_TO_REG(long val)
 335{
 336	int i;
 337	val = clamp_val(val, 1, 128) >> 1;
 338	for (i = 0; i < 7; i++) {
 339		if (val == 0)
 340			break;
 341		val >>= 1;
 342	}
 343	return (u8)i;
 344}
 345
 346/*
 347 * For each registered chip, we need to keep some data in memory.
 348 * The structure is dynamically allocated.
 349 */
 350struct w83627hf_data {
 351	unsigned short addr;
 352	const char *name;
 353	struct device *hwmon_dev;
 354	struct mutex lock;
 355	enum chips type;
 356
 357	struct mutex update_lock;
 358	bool valid;		/* true if following fields are valid */
 359	unsigned long last_updated;	/* In jiffies */
 360
 361	u8 in[9];		/* Register value */
 362	u8 in_max[9];		/* Register value */
 363	u8 in_min[9];		/* Register value */
 364	u8 fan[3];		/* Register value */
 365	u8 fan_min[3];		/* Register value */
 366	u16 temp[3];		/* Register value */
 367	u16 temp_max[3];	/* Register value */
 368	u16 temp_max_hyst[3];	/* Register value */
 369	u8 fan_div[3];		/* Register encoding, shifted right */
 370	u8 vid;			/* Register encoding, combined */
 371	u32 alarms;		/* Register encoding, combined */
 372	u32 beep_mask;		/* Register encoding, combined */
 373	u8 pwm[3];		/* Register value */
 374	u8 pwm_enable[3];	/* 1 = manual
 375				 * 2 = thermal cruise (also called SmartFan I)
 376				 * 3 = fan speed cruise
 377				 */
 378	u8 pwm_freq[3];		/* Register value */
 379	u16 sens[3];		/* 1 = pentium diode; 2 = 3904 diode;
 380				 * 4 = thermistor
 381				 */
 382	u8 vrm;
 383	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
 384
 385#ifdef CONFIG_PM
 386	/* Remember extra register values over suspend/resume */
 387	u8 scfg1;
 388	u8 scfg2;
 389#endif
 390};
 391
 392/* Registers 0x50-0x5f are banked */
 393static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
 394{
 395	if ((reg & 0x00f0) == 0x50) {
 396		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
 397		outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
 398	}
 399}
 400
 401/* Not strictly necessary, but play it safe for now */
 402static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
 403{
 404	if (reg & 0xff00) {
 405		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
 406		outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
 407	}
 408}
 409
 410static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 411{
 412	int res, word_sized;
 413
 414	mutex_lock(&data->lock);
 415	word_sized = (((reg & 0xff00) == 0x100)
 416		   || ((reg & 0xff00) == 0x200))
 417		  && (((reg & 0x00ff) == 0x50)
 418		   || ((reg & 0x00ff) == 0x53)
 419		   || ((reg & 0x00ff) == 0x55));
 420	w83627hf_set_bank(data, reg);
 421	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
 422	res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
 423	if (word_sized) {
 424		outb_p((reg & 0xff) + 1,
 425		       data->addr + W83781D_ADDR_REG_OFFSET);
 426		res =
 427		    (res << 8) + inb_p(data->addr +
 428				       W83781D_DATA_REG_OFFSET);
 429	}
 430	w83627hf_reset_bank(data, reg);
 431	mutex_unlock(&data->lock);
 432	return res;
 433}
 434
 435static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
 436{
 437	int word_sized;
 438
 439	mutex_lock(&data->lock);
 440	word_sized = (((reg & 0xff00) == 0x100)
 441		   || ((reg & 0xff00) == 0x200))
 442		  && (((reg & 0x00ff) == 0x53)
 443		   || ((reg & 0x00ff) == 0x55));
 444	w83627hf_set_bank(data, reg);
 445	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
 446	if (word_sized) {
 447		outb_p(value >> 8,
 448		       data->addr + W83781D_DATA_REG_OFFSET);
 449		outb_p((reg & 0xff) + 1,
 450		       data->addr + W83781D_ADDR_REG_OFFSET);
 451	}
 452	outb_p(value & 0xff,
 453	       data->addr + W83781D_DATA_REG_OFFSET);
 454	w83627hf_reset_bank(data, reg);
 455	mutex_unlock(&data->lock);
 456	return 0;
 457}
 458
 459static void w83627hf_update_fan_div(struct w83627hf_data *data)
 460{
 461	int reg;
 462
 463	reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
 464	data->fan_div[0] = (reg >> 4) & 0x03;
 465	data->fan_div[1] = (reg >> 6) & 0x03;
 466	if (data->type != w83697hf) {
 467		data->fan_div[2] = (w83627hf_read_value(data,
 468				       W83781D_REG_PIN) >> 6) & 0x03;
 469	}
 470	reg = w83627hf_read_value(data, W83781D_REG_VBAT);
 471	data->fan_div[0] |= (reg >> 3) & 0x04;
 472	data->fan_div[1] |= (reg >> 4) & 0x04;
 473	if (data->type != w83697hf)
 474		data->fan_div[2] |= (reg >> 5) & 0x04;
 475}
 476
 477static struct w83627hf_data *w83627hf_update_device(struct device *dev)
 478{
 479	struct w83627hf_data *data = dev_get_drvdata(dev);
 480	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 481	int num_pwms = (data->type == w83697hf) ? 2 : 3;
 482
 483	mutex_lock(&data->update_lock);
 484
 485	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
 486	    || !data->valid) {
 487		for (i = 0; i <= 8; i++) {
 488			/* skip missing sensors */
 489			if (((data->type == w83697hf) && (i == 1)) ||
 490			    ((data->type != w83627hf && data->type != w83697hf)
 491			    && (i == 5 || i == 6)))
 492				continue;
 493			data->in[i] =
 494			    w83627hf_read_value(data, W83781D_REG_IN(i));
 495			data->in_min[i] =
 496			    w83627hf_read_value(data,
 497					       W83781D_REG_IN_MIN(i));
 498			data->in_max[i] =
 499			    w83627hf_read_value(data,
 500					       W83781D_REG_IN_MAX(i));
 501		}
 502		for (i = 0; i <= 2; i++) {
 503			data->fan[i] =
 504			    w83627hf_read_value(data, W83627HF_REG_FAN(i));
 505			data->fan_min[i] =
 506			    w83627hf_read_value(data,
 507					       W83627HF_REG_FAN_MIN(i));
 508		}
 509		for (i = 0; i <= 2; i++) {
 510			u8 tmp = w83627hf_read_value(data,
 511				W836X7HF_REG_PWM(data->type, i));
 512			/* bits 0-3 are reserved  in 627THF */
 513			if (data->type == w83627thf)
 514				tmp &= 0xf0;
 515			data->pwm[i] = tmp;
 516			if (i == 1 &&
 517			    (data->type == w83627hf || data->type == w83697hf))
 518				break;
 519		}
 520		if (data->type == w83627hf) {
 521				u8 tmp = w83627hf_read_value(data,
 522						W83627HF_REG_PWM_FREQ);
 523				data->pwm_freq[0] = tmp & 0x07;
 524				data->pwm_freq[1] = (tmp >> 4) & 0x07;
 525		} else if (data->type != w83627thf) {
 526			for (i = 1; i <= 3; i++) {
 527				data->pwm_freq[i - 1] =
 528					w83627hf_read_value(data,
 529						W83637HF_REG_PWM_FREQ[i - 1]);
 530				if (i == 2 && (data->type == w83697hf))
 531					break;
 532			}
 533		}
 534		if (data->type != w83627hf) {
 535			for (i = 0; i < num_pwms; i++) {
 536				u8 tmp = w83627hf_read_value(data,
 537					W83627THF_REG_PWM_ENABLE[i]);
 538				data->pwm_enable[i] =
 539					((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
 540					& 0x03) + 1;
 541			}
 542		}
 543		for (i = 0; i < num_temps; i++) {
 544			data->temp[i] = w83627hf_read_value(
 545						data, w83627hf_reg_temp[i]);
 546			data->temp_max[i] = w83627hf_read_value(
 547						data, w83627hf_reg_temp_over[i]);
 548			data->temp_max_hyst[i] = w83627hf_read_value(
 549						data, w83627hf_reg_temp_hyst[i]);
 550		}
 551
 552		w83627hf_update_fan_div(data);
 553
 554		data->alarms =
 555		    w83627hf_read_value(data, W83781D_REG_ALARM1) |
 556		    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
 557		    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
 558		i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 559		data->beep_mask = (i << 8) |
 560		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
 561		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
 562		data->last_updated = jiffies;
 563		data->valid = true;
 564	}
 565
 566	mutex_unlock(&data->update_lock);
 567
 568	return data;
 569}
 
 
 
 570
 571#ifdef CONFIG_PM
 572static int w83627hf_suspend(struct device *dev)
 573{
 574	struct w83627hf_data *data = w83627hf_update_device(dev);
 575
 576	mutex_lock(&data->update_lock);
 577	data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 578	data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 579	mutex_unlock(&data->update_lock);
 580
 581	return 0;
 582}
 583
 584static int w83627hf_resume(struct device *dev)
 585{
 586	struct w83627hf_data *data = dev_get_drvdata(dev);
 587	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 588
 589	/* Restore limits */
 590	mutex_lock(&data->update_lock);
 591	for (i = 0; i <= 8; i++) {
 592		/* skip missing sensors */
 593		if (((data->type == w83697hf) && (i == 1)) ||
 594		    ((data->type != w83627hf && data->type != w83697hf)
 595		    && (i == 5 || i == 6)))
 596			continue;
 597		w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 598				     data->in_max[i]);
 599		w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 600				     data->in_min[i]);
 601	}
 602	for (i = 0; i <= 2; i++)
 603		w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 604				     data->fan_min[i]);
 605	for (i = 0; i < num_temps; i++) {
 606		w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 607				     data->temp_max[i]);
 608		w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 609				     data->temp_max_hyst[i]);
 610	}
 611
 612	/* Fixup BIOS bugs */
 613	if (data->type == w83627thf || data->type == w83637hf ||
 614	    data->type == w83687thf)
 615		w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 616				     data->vrm_ovt);
 617	w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 618	w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 619
 620	/* Force re-reading all values */
 621	data->valid = false;
 622	mutex_unlock(&data->update_lock);
 623
 624	return 0;
 625}
 626
 627static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 628	.suspend = w83627hf_suspend,
 629	.resume = w83627hf_resume,
 630};
 631
 632#define W83627HF_DEV_PM_OPS	(&w83627hf_dev_pm_ops)
 633#else
 634#define W83627HF_DEV_PM_OPS	NULL
 635#endif /* CONFIG_PM */
 636
 637static int w83627thf_read_gpio5(struct platform_device *pdev)
 638{
 639	struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
 640	int res = 0xff, sel;
 641
 642	if (superio_enter(sio_data)) {
 643		/*
 644		 * Some other driver reserved the address space for itself.
 645		 * We don't want to fail driver instantiation because of that,
 646		 * so display a warning and keep going.
 647		 */
 648		dev_warn(&pdev->dev,
 649			 "Can not read VID data: Failed to enable SuperIO access\n");
 650		return res;
 651	}
 652
 653	superio_select(sio_data, W83627HF_LD_GPIO5);
 654
 655	res = 0xff;
 656
 657	/* Make sure these GPIO pins are enabled */
 658	if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
 659		dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
 660		goto exit;
 661	}
 662
 663	/*
 664	 * Make sure the pins are configured for input
 665	 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
 666	 */
 667	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
 668	if ((sel & 0x1f) != 0x1f) {
 669		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
 670			"function\n");
 671		goto exit;
 672	}
 673
 674	dev_info(&pdev->dev, "Reading VID from GPIO5\n");
 675	res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
 676
 677exit:
 678	superio_exit(sio_data);
 679	return res;
 
 
 
 680}
 681
 682static int w83687thf_read_vid(struct platform_device *pdev)
 683{
 684	struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
 685	int res = 0xff;
 686
 687	if (superio_enter(sio_data)) {
 688		/*
 689		 * Some other driver reserved the address space for itself.
 690		 * We don't want to fail driver instantiation because of that,
 691		 * so display a warning and keep going.
 692		 */
 693		dev_warn(&pdev->dev,
 694			 "Can not read VID data: Failed to enable SuperIO access\n");
 695		return res;
 696	}
 697
 698	superio_select(sio_data, W83627HF_LD_HWM);
 699
 700	/* Make sure these GPIO pins are enabled */
 701	if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
 702		dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
 703		goto exit;
 704	}
 705
 706	/* Make sure the pins are configured for input */
 707	if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
 708		dev_dbg(&pdev->dev, "VID configured as output, "
 709			"no VID function\n");
 710		goto exit;
 711	}
 712
 713	res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
 714
 715exit:
 716	superio_exit(sio_data);
 717	return res;
 718}
 719
 720static void w83627hf_init_device(struct platform_device *pdev)
 721{
 722	struct w83627hf_data *data = platform_get_drvdata(pdev);
 723	int i;
 724	enum chips type = data->type;
 725	u8 tmp;
 726
 727	/* Minimize conflicts with other winbond i2c-only clients...  */
 728	/* disable i2c subclients... how to disable main i2c client?? */
 729	/* force i2c address to relatively uncommon address */
 730	if (type == w83627hf) {
 731		w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
 732		w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
 733	}
 734
 735	/* Read VID only once */
 736	if (type == w83627hf || type == w83637hf) {
 737		int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
 738		int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
 739		data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
 740	} else if (type == w83627thf) {
 741		data->vid = w83627thf_read_gpio5(pdev);
 742	} else if (type == w83687thf) {
 743		data->vid = w83687thf_read_vid(pdev);
 744	}
 745
 746	/* Read VRM & OVT Config only once */
 747	if (type == w83627thf || type == w83637hf || type == w83687thf) {
 748		data->vrm_ovt =
 749			w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
 750	}
 751
 752	tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
 753	for (i = 1; i <= 3; i++) {
 754		if (!(tmp & BIT_SCFG1[i - 1])) {
 755			data->sens[i - 1] = 4;
 756		} else {
 757			if (w83627hf_read_value
 758			    (data,
 759			     W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
 760				data->sens[i - 1] = 1;
 761			else
 762				data->sens[i - 1] = 2;
 763		}
 764		if ((type == w83697hf) && (i == 2))
 765			break;
 766	}
 767
 768	if(init) {
 769		/* Enable temp2 */
 770		tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
 771		if (tmp & 0x01) {
 772			dev_warn(&pdev->dev, "Enabling temp2, readings "
 773				 "might not make sense\n");
 774			w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
 775				tmp & 0xfe);
 776		}
 777
 778		/* Enable temp3 */
 779		if (type != w83697hf) {
 780			tmp = w83627hf_read_value(data,
 781				W83627HF_REG_TEMP3_CONFIG);
 782			if (tmp & 0x01) {
 783				dev_warn(&pdev->dev, "Enabling temp3, "
 784					 "readings might not make sense\n");
 785				w83627hf_write_value(data,
 786					W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
 787			}
 788		}
 789	}
 
 
 790
 791	/* Start monitoring */
 792	w83627hf_write_value(data, W83781D_REG_CONFIG,
 793			    (w83627hf_read_value(data,
 794						W83781D_REG_CONFIG) & 0xf7)
 795			    | 0x01);
 796
 797	/* Enable VBAT monitoring if needed */
 798	tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
 799	if (!(tmp & 0x01))
 800		w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
 
 801}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 802
 803/* use a different set of functions for in0 */
 804static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 805{
 806	long in0;
 807
 808	if ((data->vrm_ovt & 0x01) &&
 809		(w83627thf == data->type || w83637hf == data->type
 810		 || w83687thf == data->type))
 811
 812		/* use VRM9 calculation */
 813		in0 = (long)((reg * 488 + 70000 + 50) / 100);
 814	else
 815		/* use VRM8 (standard) calculation */
 816		in0 = (long)IN_FROM_REG(reg);
 817
 818	return sprintf(buf,"%ld\n", in0);
 819}
 820
 821static ssize_t in0_input_show(struct device *dev,
 822			      struct device_attribute *attr, char *buf)
 823{
 824	struct w83627hf_data *data = w83627hf_update_device(dev);
 825	return show_in_0(data, buf, data->in[0]);
 826}
 827static DEVICE_ATTR_RO(in0_input);
 828
 829static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
 830			    char *buf)
 831{
 832	struct w83627hf_data *data = w83627hf_update_device(dev);
 833	return show_in_0(data, buf, data->in_min[0]);
 834}
 835
 836static ssize_t in0_min_store(struct device *dev,
 837			     struct device_attribute *attr, const char *buf,
 838			     size_t count)
 
 
 
 
 
 839{
 840	struct w83627hf_data *data = dev_get_drvdata(dev);
 841	unsigned long val;
 842	int err;
 843
 844	err = kstrtoul(buf, 10, &val);
 845	if (err)
 846		return err;
 847
 848	mutex_lock(&data->update_lock);
 849	
 850	if ((data->vrm_ovt & 0x01) &&
 851		(w83627thf == data->type || w83637hf == data->type
 852		 || w83687thf == data->type))
 853
 854		/* use VRM9 calculation */
 855		data->in_min[0] =
 856			clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 857	else
 858		/* use VRM8 (standard) calculation */
 859		data->in_min[0] = IN_TO_REG(val);
 860
 861	w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 862	mutex_unlock(&data->update_lock);
 863	return count;
 864}
 865
 866static DEVICE_ATTR_RW(in0_min);
 867
 868static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
 869			    char *buf)
 870{
 871	struct w83627hf_data *data = w83627hf_update_device(dev);
 872	return show_in_0(data, buf, data->in_max[0]);
 873}
 874
 875static ssize_t in0_max_store(struct device *dev,
 876			     struct device_attribute *attr, const char *buf,
 877			     size_t count)
 878{
 879	struct w83627hf_data *data = dev_get_drvdata(dev);
 880	unsigned long val;
 881	int err;
 882
 883	err = kstrtoul(buf, 10, &val);
 884	if (err)
 885		return err;
 886
 887	mutex_lock(&data->update_lock);
 888
 889	if ((data->vrm_ovt & 0x01) &&
 890		(w83627thf == data->type || w83637hf == data->type
 891		 || w83687thf == data->type))
 892		
 893		/* use VRM9 calculation */
 894		data->in_max[0] =
 895			clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 896	else
 897		/* use VRM8 (standard) calculation */
 898		data->in_max[0] = IN_TO_REG(val);
 899
 900	w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 901	mutex_unlock(&data->update_lock);
 902	return count;
 903}
 904
 905static DEVICE_ATTR_RW(in0_max);
 
 
 
 
 906
 907static ssize_t
 908alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
 909{
 
 910	struct w83627hf_data *data = w83627hf_update_device(dev);
 911	int bitnr = to_sensor_dev_attr(attr)->index;
 912	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 913}
 914
 915static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
 916static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
 917static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
 918static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
 919static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
 920static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
 921static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
 922static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
 923static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
 924static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
 925static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
 926static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
 927static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
 928static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
 929static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
 930
 931static ssize_t
 932beep_show(struct device *dev, struct device_attribute *attr, char *buf)
 933{
 
 934	struct w83627hf_data *data = w83627hf_update_device(dev);
 935	int bitnr = to_sensor_dev_attr(attr)->index;
 936	return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 937}
 938
 939static ssize_t
 940beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
 941	   size_t count)
 942{
 
 943	struct w83627hf_data *data = dev_get_drvdata(dev);
 944	int bitnr = to_sensor_dev_attr(attr)->index;
 945	u8 reg;
 946	unsigned long bit;
 947	int err;
 948
 949	err = kstrtoul(buf, 10, &bit);
 950	if (err)
 951		return err;
 952
 953	if (bit & ~1)
 954		return -EINVAL;
 955
 956	mutex_lock(&data->update_lock);
 957	if (bit)
 958		data->beep_mask |= (1 << bitnr);
 959	else
 960		data->beep_mask &= ~(1 << bitnr);
 961
 962	if (bitnr < 8) {
 963		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 964		if (bit)
 965			reg |= (1 << bitnr);
 966		else
 967			reg &= ~(1 << bitnr);
 968		w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 969	} else if (bitnr < 16) {
 970		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 971		if (bit)
 972			reg |= (1 << (bitnr - 8));
 973		else
 974			reg &= ~(1 << (bitnr - 8));
 975		w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 976	} else {
 977		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 978		if (bit)
 979			reg |= (1 << (bitnr - 16));
 980		else
 981			reg &= ~(1 << (bitnr - 16));
 982		w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 983	}
 984	mutex_unlock(&data->update_lock);
 985
 986	return count;
 987}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 988
 989static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
 990static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
 991static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
 992static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
 993static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
 994static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
 995static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
 996static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
 997static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
 998static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
 999static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
1000static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
1001static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
1002static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
1003static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
1004static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
1005
1006static ssize_t
1007in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
 
1008{
1009	int nr = to_sensor_dev_attr(devattr)->index;
1010	struct w83627hf_data *data = w83627hf_update_device(dev);
1011	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 
 
 
1012}
1013
1014static ssize_t
1015in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
 
1016{
1017	int nr = to_sensor_dev_attr(devattr)->index;
1018	struct w83627hf_data *data = w83627hf_update_device(dev);
1019	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 
 
 
1020}
1021
1022static ssize_t
1023in_min_store(struct device *dev, struct device_attribute *devattr,
1024	     const char *buf, size_t count)
1025{
1026	int nr = to_sensor_dev_attr(devattr)->index;
1027	struct w83627hf_data *data = dev_get_drvdata(dev);
 
1028	long val;
1029	int err;
1030
1031	err = kstrtol(buf, 10, &val);
1032	if (err)
1033		return err;
1034
 
1035	mutex_lock(&data->update_lock);
1036	data->in_min[nr] = IN_TO_REG(val);
1037	w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
1038	mutex_unlock(&data->update_lock);
1039	return count;
1040}
1041
1042static ssize_t
1043in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
 
1044{
1045	int nr = to_sensor_dev_attr(devattr)->index;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1046	struct w83627hf_data *data = w83627hf_update_device(dev);
1047	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
1048}
 
1049
1050static ssize_t
1051in_max_store(struct device *dev, struct device_attribute *devattr,
1052	     const char *buf, size_t count)
1053{
1054	int nr = to_sensor_dev_attr(devattr)->index;
1055	struct w83627hf_data *data = dev_get_drvdata(dev);
1056	long val;
 
 
 
 
 
 
1057	int err;
1058
1059	err = kstrtol(buf, 10, &val);
1060	if (err)
1061		return err;
 
1062
1063	mutex_lock(&data->update_lock);
1064	data->in_max[nr] = IN_TO_REG(val);
1065	w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
1066	mutex_unlock(&data->update_lock);
1067	return count;
1068}
 
1069
1070static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
1071static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
1072static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
1073static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
1074static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
1075static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
1076static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
1077static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
1078static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
1079static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
1080static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
1081static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
1082static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
1083static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
1084static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
1085static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
1086static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
1087static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
1088static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
1089static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
1090static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
1091static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
1092static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
1093static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
1094
1095static ssize_t
1096fan_input_show(struct device *dev, struct device_attribute *devattr,
1097	       char *buf)
1098{
1099	int nr = to_sensor_dev_attr(devattr)->index;
1100	struct w83627hf_data *data = w83627hf_update_device(dev);
1101	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
1102				(long)DIV_FROM_REG(data->fan_div[nr])));
1103}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1104
1105static ssize_t
1106fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
1107{
1108	int nr = to_sensor_dev_attr(devattr)->index;
1109	struct w83627hf_data *data = w83627hf_update_device(dev);
1110	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
1111				(long)DIV_FROM_REG(data->fan_div[nr])));
1112}
1113
1114static ssize_t
1115fan_min_store(struct device *dev, struct device_attribute *devattr,
1116	      const char *buf, size_t count)
1117{
1118	int nr = to_sensor_dev_attr(devattr)->index;
1119	struct w83627hf_data *data = dev_get_drvdata(dev);
1120	unsigned long val;
1121	int err;
1122
1123	err = kstrtoul(buf, 10, &val);
1124	if (err)
1125		return err;
1126
1127	mutex_lock(&data->update_lock);
1128	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
1129	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
1130			     data->fan_min[nr]);
1131
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1132	mutex_unlock(&data->update_lock);
 
1133	return count;
1134}
1135
1136static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
1137static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
1138static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
1139static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
1140static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
1141static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1142
1143static ssize_t
1144fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
1145{
1146	int nr = to_sensor_dev_attr(devattr)->index;
1147	struct w83627hf_data *data = w83627hf_update_device(dev);
1148	return sprintf(buf, "%ld\n",
1149		       (long) DIV_FROM_REG(data->fan_div[nr]));
1150}
1151
1152/*
1153 * Note: we save and restore the fan minimum here, because its value is
1154 * determined in part by the fan divisor.  This follows the principle of
1155 * least surprise; the user doesn't expect the fan minimum to change just
1156 * because the divisor changed.
1157 */
1158static ssize_t
1159fan_div_store(struct device *dev, struct device_attribute *devattr,
1160	      const char *buf, size_t count)
1161{
1162	int nr = to_sensor_dev_attr(devattr)->index;
1163	struct w83627hf_data *data = dev_get_drvdata(dev);
1164	unsigned long min;
1165	u8 reg;
1166	unsigned long val;
1167	int err;
1168
1169	err = kstrtoul(buf, 10, &val);
1170	if (err)
1171		return err;
1172
1173	mutex_lock(&data->update_lock);
1174
1175	/* Save fan_min */
1176	min = FAN_FROM_REG(data->fan_min[nr],
1177			   DIV_FROM_REG(data->fan_div[nr]));
1178
1179	data->fan_div[nr] = DIV_TO_REG(val);
1180
1181	reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1182	       & (nr==0 ? 0xcf : 0x3f))
1183	    | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1184	w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1185
1186	reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1187	       & ~(1 << (5 + nr)))
1188	    | ((data->fan_div[nr] & 0x04) << (3 + nr));
1189	w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1190
1191	/* Restore fan_min */
1192	data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1193	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1194
1195	mutex_unlock(&data->update_lock);
1196	return count;
1197}
1198
1199static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
1200static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
1201static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
 
 
 
1202
1203static ssize_t
1204temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
1205{
1206	int nr = to_sensor_dev_attr(devattr)->index;
1207	struct w83627hf_data *data = w83627hf_update_device(dev);
 
 
1208
1209	u16 tmp = data->temp[nr];
1210	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1211					  : (long) TEMP_FROM_REG(tmp));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1212}
1213
 
 
 
 
1214static ssize_t
1215temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
1216{
1217	int nr = to_sensor_dev_attr(devattr)->index;
1218	struct w83627hf_data *data = w83627hf_update_device(dev);
1219
1220	u16 tmp = data->temp_max[nr];
1221	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1222					  : (long) TEMP_FROM_REG(tmp));
1223}
1224
1225static ssize_t
1226temp_max_store(struct device *dev, struct device_attribute *devattr,
1227	       const char *buf, size_t count)
1228{
1229	int nr = to_sensor_dev_attr(devattr)->index;
1230	struct w83627hf_data *data = dev_get_drvdata(dev);
1231	u16 tmp;
1232	long val;
1233	int err;
1234
1235	err = kstrtol(buf, 10, &val);
1236	if (err)
1237		return err;
1238
1239	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 
1240	mutex_lock(&data->update_lock);
1241	data->temp_max[nr] = tmp;
1242	w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 
 
 
1243	mutex_unlock(&data->update_lock);
1244	return count;
1245}
1246
 
 
 
 
 
 
 
1247static ssize_t
1248temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
1249		   char *buf)
1250{
1251	int nr = to_sensor_dev_attr(devattr)->index;
1252	struct w83627hf_data *data = w83627hf_update_device(dev);
1253
1254	u16 tmp = data->temp_max_hyst[nr];
1255	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1256					  : (long) TEMP_FROM_REG(tmp));
 
 
1257}
1258
1259static ssize_t
1260temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
1261		    const char *buf, size_t count)
1262{
1263	int nr = to_sensor_dev_attr(devattr)->index;
1264	struct w83627hf_data *data = dev_get_drvdata(dev);
1265	u16 tmp;
1266	long val;
1267	int err;
1268
1269	err = kstrtol(buf, 10, &val);
1270	if (err)
1271		return err;
1272
1273	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
1274	mutex_lock(&data->update_lock);
1275	data->temp_max_hyst[nr] = tmp;
1276	w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 
 
 
 
 
 
 
 
 
 
 
1277	mutex_unlock(&data->update_lock);
1278	return count;
1279}
1280
1281static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
1282static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
1283static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
1284static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
1285static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
1286static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
1287static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
1288static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
1289static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
1290
1291static ssize_t
1292temp_type_show(struct device *dev, struct device_attribute *devattr,
1293	       char *buf)
1294{
1295	int nr = to_sensor_dev_attr(devattr)->index;
1296	struct w83627hf_data *data = w83627hf_update_device(dev);
1297	return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1298}
1299
1300static ssize_t
1301temp_type_store(struct device *dev, struct device_attribute *devattr,
1302		const char *buf, size_t count)
1303{
1304	int nr = to_sensor_dev_attr(devattr)->index;
1305	struct w83627hf_data *data = dev_get_drvdata(dev);
1306	unsigned long val;
1307	u32 tmp;
1308	int err;
1309
1310	err = kstrtoul(buf, 10, &val);
1311	if (err)
1312		return err;
1313
1314	mutex_lock(&data->update_lock);
1315
1316	switch (val) {
1317	case 1:		/* PII/Celeron diode */
1318		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1319		w83627hf_write_value(data, W83781D_REG_SCFG1,
1320				    tmp | BIT_SCFG1[nr]);
1321		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1322		w83627hf_write_value(data, W83781D_REG_SCFG2,
1323				    tmp | BIT_SCFG2[nr]);
1324		data->sens[nr] = val;
1325		break;
1326	case 2:		/* 3904 */
1327		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1328		w83627hf_write_value(data, W83781D_REG_SCFG1,
1329				    tmp | BIT_SCFG1[nr]);
1330		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1331		w83627hf_write_value(data, W83781D_REG_SCFG2,
1332				    tmp & ~BIT_SCFG2[nr]);
1333		data->sens[nr] = val;
1334		break;
1335	case W83781D_DEFAULT_BETA:
1336		dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1337			 "instead\n", W83781D_DEFAULT_BETA);
1338		fallthrough;
1339	case 4:		/* thermistor */
1340		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1341		w83627hf_write_value(data, W83781D_REG_SCFG1,
1342				    tmp & ~BIT_SCFG1[nr]);
1343		data->sens[nr] = val;
1344		break;
1345	default:
1346		dev_err(dev,
1347		       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1348		       (long) val);
1349		break;
1350	}
1351
1352	mutex_unlock(&data->update_lock);
1353	return count;
1354}
1355
1356static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
1357static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
1358static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
 
 
 
 
1359
1360static ssize_t
1361alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
1362{
1363	struct w83627hf_data *data = w83627hf_update_device(dev);
1364	return sprintf(buf, "%ld\n", (long) data->alarms);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1365}
1366static DEVICE_ATTR_RO(alarms);
1367
1368#define VIN_UNIT_ATTRS(_X_)	\
1369	&sensor_dev_attr_in##_X_##_input.dev_attr.attr,		\
1370	&sensor_dev_attr_in##_X_##_min.dev_attr.attr,		\
1371	&sensor_dev_attr_in##_X_##_max.dev_attr.attr,		\
1372	&sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,		\
1373	&sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1374
1375#define FAN_UNIT_ATTRS(_X_)	\
1376	&sensor_dev_attr_fan##_X_##_input.dev_attr.attr,	\
1377	&sensor_dev_attr_fan##_X_##_min.dev_attr.attr,		\
1378	&sensor_dev_attr_fan##_X_##_div.dev_attr.attr,		\
1379	&sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,	\
1380	&sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1381
1382#define TEMP_UNIT_ATTRS(_X_)	\
1383	&sensor_dev_attr_temp##_X_##_input.dev_attr.attr,	\
1384	&sensor_dev_attr_temp##_X_##_max.dev_attr.attr,		\
1385	&sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,	\
1386	&sensor_dev_attr_temp##_X_##_type.dev_attr.attr,	\
1387	&sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,	\
1388	&sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1389
1390static ssize_t
1391beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
1392{
1393	struct w83627hf_data *data = w83627hf_update_device(dev);
1394	return sprintf(buf, "%ld\n",
1395		      (long)BEEP_MASK_FROM_REG(data->beep_mask));
1396}
1397
1398static ssize_t
1399beep_mask_store(struct device *dev, struct device_attribute *attr,
1400		const char *buf, size_t count)
1401{
1402	struct w83627hf_data *data = dev_get_drvdata(dev);
1403	unsigned long val;
1404	int err;
1405
1406	err = kstrtoul(buf, 10, &val);
1407	if (err)
1408		return err;
1409
1410	mutex_lock(&data->update_lock);
1411
1412	/* preserve beep enable */
1413	data->beep_mask = (data->beep_mask & 0x8000)
1414			| BEEP_MASK_TO_REG(val);
1415	w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
1416			    data->beep_mask & 0xff);
1417	w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
1418			    ((data->beep_mask) >> 16) & 0xff);
1419	w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
1420			    (data->beep_mask >> 8) & 0xff);
1421
1422	mutex_unlock(&data->update_lock);
1423	return count;
1424}
1425
1426static DEVICE_ATTR_RW(beep_mask);
1427
1428static ssize_t
1429pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
1430{
1431	int nr = to_sensor_dev_attr(devattr)->index;
1432	struct w83627hf_data *data = w83627hf_update_device(dev);
1433	return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1434}
1435
1436static ssize_t
1437pwm_store(struct device *dev, struct device_attribute *devattr,
1438	  const char *buf, size_t count)
1439{
1440	int nr = to_sensor_dev_attr(devattr)->index;
1441	struct w83627hf_data *data = dev_get_drvdata(dev);
1442	unsigned long val;
1443	int err;
1444
1445	err = kstrtoul(buf, 10, &val);
1446	if (err)
1447		return err;
1448
1449	mutex_lock(&data->update_lock);
1450
1451	if (data->type == w83627thf) {
1452		/* bits 0-3 are reserved  in 627THF */
1453		data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1454		w83627hf_write_value(data,
1455				     W836X7HF_REG_PWM(data->type, nr),
1456				     data->pwm[nr] |
1457				     (w83627hf_read_value(data,
1458				     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1459	} else {
1460		data->pwm[nr] = PWM_TO_REG(val);
1461		w83627hf_write_value(data,
1462				     W836X7HF_REG_PWM(data->type, nr),
1463				     data->pwm[nr]);
1464	}
1465
1466	mutex_unlock(&data->update_lock);
1467	return count;
1468}
1469
1470static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
1471static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
1472static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
1473
1474static ssize_t
1475name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1476{
1477	struct w83627hf_data *data = dev_get_drvdata(dev);
1478
1479	return sprintf(buf, "%s\n", data->name);
1480}
1481
1482static DEVICE_ATTR_RO(name);
1483
1484static struct attribute *w83627hf_attributes[] = {
1485	&dev_attr_in0_input.attr,
1486	&dev_attr_in0_min.attr,
1487	&dev_attr_in0_max.attr,
1488	&sensor_dev_attr_in0_alarm.dev_attr.attr,
1489	&sensor_dev_attr_in0_beep.dev_attr.attr,
1490	VIN_UNIT_ATTRS(2),
1491	VIN_UNIT_ATTRS(3),
1492	VIN_UNIT_ATTRS(4),
1493	VIN_UNIT_ATTRS(7),
1494	VIN_UNIT_ATTRS(8),
1495
1496	FAN_UNIT_ATTRS(1),
1497	FAN_UNIT_ATTRS(2),
1498
1499	TEMP_UNIT_ATTRS(1),
1500	TEMP_UNIT_ATTRS(2),
1501
1502	&dev_attr_alarms.attr,
1503	&sensor_dev_attr_beep_enable.dev_attr.attr,
1504	&dev_attr_beep_mask.attr,
1505
1506	&sensor_dev_attr_pwm1.dev_attr.attr,
1507	&sensor_dev_attr_pwm2.dev_attr.attr,
1508	&dev_attr_name.attr,
1509	NULL
1510};
1511
1512static const struct attribute_group w83627hf_group = {
1513	.attrs = w83627hf_attributes,
1514};
1515
1516static ssize_t
1517pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
1518{
1519	int nr = to_sensor_dev_attr(devattr)->index;
1520	struct w83627hf_data *data = w83627hf_update_device(dev);
1521	if (data->type == w83627hf)
1522		return sprintf(buf, "%ld\n",
1523			pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1524	else
1525		return sprintf(buf, "%ld\n",
1526			pwm_freq_from_reg(data->pwm_freq[nr]));
1527}
1528
1529static ssize_t
1530pwm_freq_store(struct device *dev, struct device_attribute *devattr,
1531	       const char *buf, size_t count)
1532{
1533	int nr = to_sensor_dev_attr(devattr)->index;
1534	struct w83627hf_data *data = dev_get_drvdata(dev);
1535	static const u8 mask[]={0xF8, 0x8F};
1536	unsigned long val;
1537	int err;
1538
1539	err = kstrtoul(buf, 10, &val);
1540	if (err)
1541		return err;
1542
1543	mutex_lock(&data->update_lock);
1544
1545	if (data->type == w83627hf) {
1546		data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1547		w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1548				(data->pwm_freq[nr] << (nr*4)) |
1549				(w83627hf_read_value(data,
1550				W83627HF_REG_PWM_FREQ) & mask[nr]));
1551	} else {
1552		data->pwm_freq[nr] = pwm_freq_to_reg(val);
1553		w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1554				data->pwm_freq[nr]);
1555	}
1556
1557	mutex_unlock(&data->update_lock);
1558	return count;
1559}
1560
1561static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
1562static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
1563static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
1564
1565static ssize_t
1566cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
1567{
1568	struct w83627hf_data *data = w83627hf_update_device(dev);
1569	return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
1570}
1571
1572static DEVICE_ATTR_RO(cpu0_vid);
1573
1574static ssize_t
1575vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
1576{
1577	struct w83627hf_data *data = dev_get_drvdata(dev);
1578	return sprintf(buf, "%ld\n", (long) data->vrm);
1579}
1580
1581static ssize_t
1582vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
1583	  size_t count)
1584{
1585	struct w83627hf_data *data = dev_get_drvdata(dev);
1586	unsigned long val;
1587	int err;
1588
1589	err = kstrtoul(buf, 10, &val);
1590	if (err)
1591		return err;
1592
1593	if (val > 255)
1594		return -EINVAL;
1595	data->vrm = val;
1596
1597	return count;
1598}
1599
1600static DEVICE_ATTR_RW(vrm);
1601
1602static ssize_t
1603pwm_enable_show(struct device *dev, struct device_attribute *devattr,
1604		char *buf)
1605{
1606	int nr = to_sensor_dev_attr(devattr)->index;
1607	struct w83627hf_data *data = w83627hf_update_device(dev);
1608	return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1609}
1610
1611static ssize_t
1612pwm_enable_store(struct device *dev, struct device_attribute *devattr,
1613		 const char *buf, size_t count)
1614{
1615	int nr = to_sensor_dev_attr(devattr)->index;
1616	struct w83627hf_data *data = dev_get_drvdata(dev);
1617	u8 reg;
1618	unsigned long val;
1619	int err;
1620
1621	err = kstrtoul(buf, 10, &val);
1622	if (err)
1623		return err;
1624
1625	if (!val || val > 3)	/* modes 1, 2 and 3 are supported */
1626		return -EINVAL;
1627	mutex_lock(&data->update_lock);
1628	data->pwm_enable[nr] = val;
1629	reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1630	reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1631	reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1632	w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1633	mutex_unlock(&data->update_lock);
1634	return count;
1635}
1636
1637static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
1638static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
1639static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
1640
1641static struct attribute *w83627hf_attributes_opt[] = {
1642	VIN_UNIT_ATTRS(1),
1643	VIN_UNIT_ATTRS(5),
1644	VIN_UNIT_ATTRS(6),
1645
1646	FAN_UNIT_ATTRS(3),
1647	TEMP_UNIT_ATTRS(3),
1648	&sensor_dev_attr_pwm3.dev_attr.attr,
1649
1650	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
1651	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
1652	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
1653
1654	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
1655	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
1656	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
1657
1658	NULL
1659};
1660
1661static const struct attribute_group w83627hf_group_opt = {
1662	.attrs = w83627hf_attributes_opt,
1663};
1664
1665static int w83627hf_probe(struct platform_device *pdev)
1666{
1667	struct device *dev = &pdev->dev;
1668	struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1669	struct w83627hf_data *data;
1670	struct resource *res;
1671	int err, i;
1672
1673	static const char *names[] = {
1674		"w83627hf",
1675		"w83627thf",
1676		"w83697hf",
1677		"w83637hf",
1678		"w83687thf",
1679	};
1680
1681	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1682	if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1683		dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1684			(unsigned long)res->start,
1685			(unsigned long)(res->start + WINB_REGION_SIZE - 1));
1686		return -EBUSY;
1687	}
1688
1689	data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1690	if (!data)
1691		return -ENOMEM;
1692
1693	data->addr = res->start;
1694	data->type = sio_data->type;
1695	data->name = names[sio_data->type];
1696	mutex_init(&data->lock);
1697	mutex_init(&data->update_lock);
1698	platform_set_drvdata(pdev, data);
1699
1700	/* Initialize the chip */
1701	w83627hf_init_device(pdev);
1702
1703	/* A few vars need to be filled upon startup */
1704	for (i = 0; i <= 2; i++)
1705		data->fan_min[i] = w83627hf_read_value(
1706					data, W83627HF_REG_FAN_MIN(i));
1707	w83627hf_update_fan_div(data);
1708
1709	/* Register common device attributes */
1710	err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1711	if (err)
1712		return err;
1713
1714	/* Register chip-specific device attributes */
1715	if (data->type == w83627hf || data->type == w83697hf)
1716		if ((err = device_create_file(dev,
1717				&sensor_dev_attr_in5_input.dev_attr))
1718		 || (err = device_create_file(dev,
1719				&sensor_dev_attr_in5_min.dev_attr))
1720		 || (err = device_create_file(dev,
1721				&sensor_dev_attr_in5_max.dev_attr))
1722		 || (err = device_create_file(dev,
1723				&sensor_dev_attr_in5_alarm.dev_attr))
1724		 || (err = device_create_file(dev,
1725				&sensor_dev_attr_in5_beep.dev_attr))
1726		 || (err = device_create_file(dev,
1727				&sensor_dev_attr_in6_input.dev_attr))
1728		 || (err = device_create_file(dev,
1729				&sensor_dev_attr_in6_min.dev_attr))
1730		 || (err = device_create_file(dev,
1731				&sensor_dev_attr_in6_max.dev_attr))
1732		 || (err = device_create_file(dev,
1733				&sensor_dev_attr_in6_alarm.dev_attr))
1734		 || (err = device_create_file(dev,
1735				&sensor_dev_attr_in6_beep.dev_attr))
1736		 || (err = device_create_file(dev,
1737				&sensor_dev_attr_pwm1_freq.dev_attr))
1738		 || (err = device_create_file(dev,
1739				&sensor_dev_attr_pwm2_freq.dev_attr)))
1740			goto error;
1741
1742	if (data->type != w83697hf)
1743		if ((err = device_create_file(dev,
1744				&sensor_dev_attr_in1_input.dev_attr))
1745		 || (err = device_create_file(dev,
1746				&sensor_dev_attr_in1_min.dev_attr))
1747		 || (err = device_create_file(dev,
1748				&sensor_dev_attr_in1_max.dev_attr))
1749		 || (err = device_create_file(dev,
1750				&sensor_dev_attr_in1_alarm.dev_attr))
1751		 || (err = device_create_file(dev,
1752				&sensor_dev_attr_in1_beep.dev_attr))
1753		 || (err = device_create_file(dev,
1754				&sensor_dev_attr_fan3_input.dev_attr))
1755		 || (err = device_create_file(dev,
1756				&sensor_dev_attr_fan3_min.dev_attr))
1757		 || (err = device_create_file(dev,
1758				&sensor_dev_attr_fan3_div.dev_attr))
1759		 || (err = device_create_file(dev,
1760				&sensor_dev_attr_fan3_alarm.dev_attr))
1761		 || (err = device_create_file(dev,
1762				&sensor_dev_attr_fan3_beep.dev_attr))
1763		 || (err = device_create_file(dev,
1764				&sensor_dev_attr_temp3_input.dev_attr))
1765		 || (err = device_create_file(dev,
1766				&sensor_dev_attr_temp3_max.dev_attr))
1767		 || (err = device_create_file(dev,
1768				&sensor_dev_attr_temp3_max_hyst.dev_attr))
1769		 || (err = device_create_file(dev,
1770				&sensor_dev_attr_temp3_alarm.dev_attr))
1771		 || (err = device_create_file(dev,
1772				&sensor_dev_attr_temp3_beep.dev_attr))
1773		 || (err = device_create_file(dev,
1774				&sensor_dev_attr_temp3_type.dev_attr)))
1775			goto error;
1776
1777	if (data->type != w83697hf && data->vid != 0xff) {
1778		/* Convert VID to voltage based on VRM */
1779		data->vrm = vid_which_vrm();
1780
1781		if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1782		 || (err = device_create_file(dev, &dev_attr_vrm)))
1783			goto error;
1784	}
1785
1786	if (data->type == w83627thf || data->type == w83637hf
1787	    || data->type == w83687thf) {
1788		err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1789		if (err)
1790			goto error;
1791	}
1792
1793	if (data->type == w83637hf || data->type == w83687thf)
1794		if ((err = device_create_file(dev,
1795				&sensor_dev_attr_pwm1_freq.dev_attr))
1796		 || (err = device_create_file(dev,
1797				&sensor_dev_attr_pwm2_freq.dev_attr))
1798		 || (err = device_create_file(dev,
1799				&sensor_dev_attr_pwm3_freq.dev_attr)))
1800			goto error;
1801
1802	if (data->type != w83627hf)
1803		if ((err = device_create_file(dev,
1804				&sensor_dev_attr_pwm1_enable.dev_attr))
1805		 || (err = device_create_file(dev,
1806				&sensor_dev_attr_pwm2_enable.dev_attr)))
1807			goto error;
1808
1809	if (data->type == w83627thf || data->type == w83637hf
1810	    || data->type == w83687thf) {
1811		err = device_create_file(dev,
1812					 &sensor_dev_attr_pwm3_enable.dev_attr);
1813		if (err)
1814			goto error;
1815	}
1816
1817	data->hwmon_dev = hwmon_device_register(dev);
1818	if (IS_ERR(data->hwmon_dev)) {
1819		err = PTR_ERR(data->hwmon_dev);
1820		goto error;
1821	}
1822
1823	return 0;
1824
1825 error:
1826	sysfs_remove_group(&dev->kobj, &w83627hf_group);
1827	sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1828	return err;
1829}
1830
1831static void w83627hf_remove(struct platform_device *pdev)
1832{
1833	struct w83627hf_data *data = platform_get_drvdata(pdev);
1834
1835	hwmon_device_unregister(data->hwmon_dev);
1836
1837	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1838	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
 
 
1839}
1840
1841static struct platform_driver w83627hf_driver = {
1842	.driver = {
1843		.name	= DRVNAME,
1844		.pm	= W83627HF_DEV_PM_OPS,
1845	},
1846	.probe		= w83627hf_probe,
1847	.remove_new	= w83627hf_remove,
1848};
1849
1850static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1851				struct w83627hf_sio_data *sio_data)
1852{
1853	int err;
1854	u16 val;
 
 
 
1855
1856	static __initconst char *const names[] = {
1857		"W83627HF",
1858		"W83627THF",
1859		"W83697HF",
1860		"W83637HF",
1861		"W83687THF",
1862	};
 
1863
1864	sio_data->sioaddr = sioaddr;
1865	err = superio_enter(sio_data);
1866	if (err)
1867		return err;
1868
1869	err = -ENODEV;
1870	val = force_id ? force_id : superio_inb(sio_data, DEVID);
1871	switch (val) {
1872	case W627_DEVID:
1873		sio_data->type = w83627hf;
1874		break;
1875	case W627THF_DEVID:
1876		sio_data->type = w83627thf;
1877		break;
1878	case W697_DEVID:
1879		sio_data->type = w83697hf;
1880		break;
1881	case W637_DEVID:
1882		sio_data->type = w83637hf;
1883		break;
1884	case W687THF_DEVID:
1885		sio_data->type = w83687thf;
1886		break;
1887	case 0xff:	/* No device at all */
 
 
 
 
 
 
 
 
 
 
 
 
 
1888		goto exit;
1889	default:
1890		pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
 
 
 
 
 
 
 
 
1891		goto exit;
1892	}
1893
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1894	superio_select(sio_data, W83627HF_LD_HWM);
1895	val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1896	       superio_inb(sio_data, WINB_BASE_REG + 1);
1897	*addr = val & WINB_ALIGNMENT;
1898	if (*addr == 0) {
1899		pr_warn("Base address not set, skipping\n");
1900		goto exit;
1901	}
1902
1903	val = superio_inb(sio_data, WINB_ACT_REG);
1904	if (!(val & 0x01)) {
1905		pr_warn("Enabling HWM logical device\n");
1906		superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
 
1907	}
1908
1909	err = 0;
1910	pr_info(DRVNAME ": Found %s chip at %#x\n",
1911		names[sio_data->type], *addr);
1912
1913 exit:
1914	superio_exit(sio_data);
1915	return err;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1916}
1917
1918static int __init w83627hf_device_add(unsigned short address,
1919				      const struct w83627hf_sio_data *sio_data)
1920{
1921	struct resource res = {
1922		.start	= address + WINB_REGION_OFFSET,
1923		.end	= address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1924		.name	= DRVNAME,
1925		.flags	= IORESOURCE_IO,
1926	};
1927	int err;
1928
1929	err = acpi_check_resource_conflict(&res);
1930	if (err)
1931		goto exit;
1932
1933	pdev = platform_device_alloc(DRVNAME, address);
1934	if (!pdev) {
1935		err = -ENOMEM;
1936		pr_err("Device allocation failed\n");
1937		goto exit;
1938	}
1939
1940	err = platform_device_add_resources(pdev, &res, 1);
1941	if (err) {
1942		pr_err("Device resource addition failed (%d)\n", err);
1943		goto exit_device_put;
1944	}
1945
1946	err = platform_device_add_data(pdev, sio_data,
1947				       sizeof(struct w83627hf_sio_data));
1948	if (err) {
1949		pr_err("Platform data allocation failed\n");
1950		goto exit_device_put;
1951	}
1952
1953	err = platform_device_add(pdev);
1954	if (err) {
1955		pr_err("Device addition failed (%d)\n", err);
1956		goto exit_device_put;
1957	}
1958
1959	return 0;
1960
1961exit_device_put:
1962	platform_device_put(pdev);
1963exit:
1964	return err;
1965}
1966
1967static int __init sensors_w83627hf_init(void)
1968{
1969	int err;
1970	unsigned short address;
1971	struct w83627hf_sio_data sio_data;
1972
1973	if (w83627hf_find(0x2e, &address, &sio_data)
1974	 && w83627hf_find(0x4e, &address, &sio_data))
1975		return -ENODEV;
1976
1977	err = platform_driver_register(&w83627hf_driver);
1978	if (err)
1979		goto exit;
1980
1981	/* Sets global pdev as a side effect */
1982	err = w83627hf_device_add(address, &sio_data);
1983	if (err)
1984		goto exit_driver;
1985
1986	return 0;
1987
1988exit_driver:
1989	platform_driver_unregister(&w83627hf_driver);
1990exit:
1991	return err;
1992}
1993
1994static void __exit sensors_w83627hf_exit(void)
1995{
1996	platform_device_unregister(pdev);
1997	platform_driver_unregister(&w83627hf_driver);
1998}
1999
2000MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2001	      "Philip Edelbrock <phil@netroedge.com>, "
2002	      "and Mark Studebaker <mdsxyz123@yahoo.com>");
2003MODULE_DESCRIPTION("W83627HF driver");
2004MODULE_LICENSE("GPL");
2005
2006module_init(sensors_w83627hf_init);
2007module_exit(sensors_w83627hf_exit);