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ipv6: reallocate addrconf router for ipv6 address when lo device up
[linux/fpc-iii.git] / drivers / hwmon / w83627hf.c
blob5ce54a297249784b97f17bb6ae7d7b4f57f7d310
1 /*
2 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
5 * Philip Edelbrock <phil@netroedge.com>,
6 * and Mark Studebaker <mdsxyz123@yahoo.com>
7 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
8 * Copyright (c) 2007 Jean Delvare <khali@linux-fr.org>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 /*
26 * Supports following chips:
27 *
28 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
29 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
30 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
31 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
32 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
33 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
34 *
35 * For other winbond chips, and for i2c support in the above chips,
36 * use w83781d.c.
37 *
38 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
39 * supported yet.
40 */
41
42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
43
44 #include <linux/module.h>
45 #include <linux/init.h>
46 #include <linux/slab.h>
47 #include <linux/jiffies.h>
48 #include <linux/platform_device.h>
49 #include <linux/hwmon.h>
50 #include <linux/hwmon-sysfs.h>
51 #include <linux/hwmon-vid.h>
52 #include <linux/err.h>
53 #include <linux/mutex.h>
54 #include <linux/ioport.h>
55 #include <linux/acpi.h>
56 #include <linux/io.h>
57 #include "lm75.h"
58
59 static struct platform_device *pdev;
60
61 #define DRVNAME "w83627hf"
62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
63
64 struct w83627hf_sio_data {
65 enum chips type;
66 int sioaddr;
67 };
68
69 static u8 force_i2c = 0x1f;
70 module_param(force_i2c, byte, 0);
71 MODULE_PARM_DESC(force_i2c,
72 "Initialize the i2c address of the sensors");
73
74 static bool init = 1;
75 module_param(init, bool, 0);
76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
77
78 static unsigned short force_id;
79 module_param(force_id, ushort, 0);
80 MODULE_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
112 static inline void
113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
114 {
115 outb(reg, sio->sioaddr);
116 outb(val, sio->sioaddr + 1);
117 }
118
119 static inline int
120 superio_inb(struct w83627hf_sio_data *sio, int reg)
121 {
122 outb(reg, sio->sioaddr);
123 return inb(sio->sioaddr + 1);
124 }
125
126 static inline void
127 superio_select(struct w83627hf_sio_data *sio, int ld)
128 {
129 outb(DEV, sio->sioaddr);
130 outb(ld, sio->sioaddr + 1);
131 }
132
133 static inline void
134 superio_enter(struct w83627hf_sio_data *sio)
135 {
136 outb(0x87, sio->sioaddr);
137 outb(0x87, sio->sioaddr);
138 }
139
140 static inline void
141 superio_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 */
182 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 };
183 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 };
184 static 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
210 static const u8 W83627THF_REG_PWM_ENABLE[] = {
211 0x04, /* FAN 1 mode */
212 0x04, /* FAN 2 mode */
213 0x12, /* FAN AUX mode */
214 };
215 static 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
223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
224 static 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
235 static 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
246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
247 #define W83781D_REG_SCFG2 0x59
248 static 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) (SENSORS_LIMIT((((val) + 8)/16),0,255))
258 #define IN_FROM_REG(val) ((val) * 16)
259
260 static inline u8 FAN_TO_REG(long rpm, int div)
261 {
262 if (rpm == 0)
263 return 255;
264 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
265 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
266 254);
267 }
268
269 #define TEMP_MIN (-128000)
270 #define TEMP_MAX ( 127000)
271
272 /*
273 * TEMP: 0.001C/bit (-128C to +127C)
274 * REG: 1C/bit, two's complement
275 */
276 static u8 TEMP_TO_REG(long temp)
277 {
278 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
279 ntemp += (ntemp<0 ? -500 : 500);
280 return (u8)(ntemp / 1000);
281 }
282
283 static int TEMP_FROM_REG(u8 reg)
284 {
285 return (s8)reg * 1000;
286 }
287
288 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
289
290 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
291
292 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
293 {
294 unsigned long freq;
295 freq = W83627HF_BASE_PWM_FREQ >> reg;
296 return freq;
297 }
298 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
299 {
300 u8 i;
301 /*
302 * Only 5 dividers (1 2 4 8 16)
303 * Search for the nearest available frequency
304 */
305 for (i = 0; i < 4; i++) {
306 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
307 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
308 break;
309 }
310 return i;
311 }
312
313 static inline unsigned long pwm_freq_from_reg(u8 reg)
314 {
315 /* Clock bit 8 -> 180 kHz or 24 MHz */
316 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
317
318 reg &= 0x7f;
319 /* This should not happen but anyway... */
320 if (reg == 0)
321 reg++;
322 return clock / (reg << 8);
323 }
324 static inline u8 pwm_freq_to_reg(unsigned long val)
325 {
326 /* Minimum divider value is 0x01 and maximum is 0x7F */
327 if (val >= 93750) /* The highest we can do */
328 return 0x01;
329 if (val >= 720) /* Use 24 MHz clock */
330 return 24000000UL / (val << 8);
331 if (val < 6) /* The lowest we can do */
332 return 0xFF;
333 else /* Use 180 kHz clock */
334 return 0x80 | (180000UL / (val << 8));
335 }
336
337 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
338 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff)
339
340 #define DIV_FROM_REG(val) (1 << (val))
341
342 static inline u8 DIV_TO_REG(long val)
343 {
344 int i;
345 val = SENSORS_LIMIT(val, 1, 128) >> 1;
346 for (i = 0; i < 7; i++) {
347 if (val == 0)
348 break;
349 val >>= 1;
350 }
351 return (u8)i;
352 }
353
354 /*
355 * For each registered chip, we need to keep some data in memory.
356 * The structure is dynamically allocated.
357 */
358 struct w83627hf_data {
359 unsigned short addr;
360 const char *name;
361 struct device *hwmon_dev;
362 struct mutex lock;
363 enum chips type;
364
365 struct mutex update_lock;
366 char valid; /* !=0 if following fields are valid */
367 unsigned long last_updated; /* In jiffies */
368
369 u8 in[9]; /* Register value */
370 u8 in_max[9]; /* Register value */
371 u8 in_min[9]; /* Register value */
372 u8 fan[3]; /* Register value */
373 u8 fan_min[3]; /* Register value */
374 u16 temp[3]; /* Register value */
375 u16 temp_max[3]; /* Register value */
376 u16 temp_max_hyst[3]; /* Register value */
377 u8 fan_div[3]; /* Register encoding, shifted right */
378 u8 vid; /* Register encoding, combined */
379 u32 alarms; /* Register encoding, combined */
380 u32 beep_mask; /* Register encoding, combined */
381 u8 pwm[3]; /* Register value */
382 u8 pwm_enable[3]; /* 1 = manual
383 * 2 = thermal cruise (also called SmartFan I)
384 * 3 = fan speed cruise
385 */
386 u8 pwm_freq[3]; /* Register value */
387 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
388 * 4 = thermistor
389 */
390 u8 vrm;
391 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
392 };
393
394
395 static int w83627hf_probe(struct platform_device *pdev);
396 static int __devexit w83627hf_remove(struct platform_device *pdev);
397
398 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
399 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
400 static void w83627hf_update_fan_div(struct w83627hf_data *data);
401 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
402 static void w83627hf_init_device(struct platform_device *pdev);
403
404 static struct platform_driver w83627hf_driver = {
405 .driver = {
406 .owner = THIS_MODULE,
407 .name = DRVNAME,
408 },
409 .probe = w83627hf_probe,
410 .remove = __devexit_p(w83627hf_remove),
411 };
412
413 static ssize_t
414 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
415 {
416 int nr = to_sensor_dev_attr(devattr)->index;
417 struct w83627hf_data *data = w83627hf_update_device(dev);
418 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
419 }
420 static ssize_t
421 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
422 {
423 int nr = to_sensor_dev_attr(devattr)->index;
424 struct w83627hf_data *data = w83627hf_update_device(dev);
425 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
426 }
427 static ssize_t
428 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
429 {
430 int nr = to_sensor_dev_attr(devattr)->index;
431 struct w83627hf_data *data = w83627hf_update_device(dev);
432 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
433 }
434 static ssize_t
435 store_in_min(struct device *dev, struct device_attribute *devattr,
436 const char *buf, size_t count)
437 {
438 int nr = to_sensor_dev_attr(devattr)->index;
439 struct w83627hf_data *data = dev_get_drvdata(dev);
440 long val;
441 int err;
442
443 err = kstrtol(buf, 10, &val);
444 if (err)
445 return err;
446
447 mutex_lock(&data->update_lock);
448 data->in_min[nr] = IN_TO_REG(val);
449 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
450 mutex_unlock(&data->update_lock);
451 return count;
452 }
453 static ssize_t
454 store_in_max(struct device *dev, struct device_attribute *devattr,
455 const char *buf, size_t count)
456 {
457 int nr = to_sensor_dev_attr(devattr)->index;
458 struct w83627hf_data *data = dev_get_drvdata(dev);
459 long val;
460 int err;
461
462 err = kstrtol(buf, 10, &val);
463 if (err)
464 return err;
465
466 mutex_lock(&data->update_lock);
467 data->in_max[nr] = IN_TO_REG(val);
468 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
469 mutex_unlock(&data->update_lock);
470 return count;
471 }
472 #define sysfs_vin_decl(offset) \
473 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
474 show_in_input, NULL, offset); \
475 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \
476 show_in_min, store_in_min, offset); \
477 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \
478 show_in_max, store_in_max, offset);
479
480 sysfs_vin_decl(1);
481 sysfs_vin_decl(2);
482 sysfs_vin_decl(3);
483 sysfs_vin_decl(4);
484 sysfs_vin_decl(5);
485 sysfs_vin_decl(6);
486 sysfs_vin_decl(7);
487 sysfs_vin_decl(8);
488
489 /* use a different set of functions for in0 */
490 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
491 {
492 long in0;
493
494 if ((data->vrm_ovt & 0x01) &&
495 (w83627thf == data->type || w83637hf == data->type
496 || w83687thf == data->type))
497
498 /* use VRM9 calculation */
499 in0 = (long)((reg * 488 + 70000 + 50) / 100);
500 else
501 /* use VRM8 (standard) calculation */
502 in0 = (long)IN_FROM_REG(reg);
503
504 return sprintf(buf,"%ld\n", in0);
505 }
506
507 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
508 {
509 struct w83627hf_data *data = w83627hf_update_device(dev);
510 return show_in_0(data, buf, data->in[0]);
511 }
512
513 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
514 {
515 struct w83627hf_data *data = w83627hf_update_device(dev);
516 return show_in_0(data, buf, data->in_min[0]);
517 }
518
519 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
520 {
521 struct w83627hf_data *data = w83627hf_update_device(dev);
522 return show_in_0(data, buf, data->in_max[0]);
523 }
524
525 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
526 const char *buf, size_t count)
527 {
528 struct w83627hf_data *data = dev_get_drvdata(dev);
529 unsigned long val;
530 int err;
531
532 err = kstrtoul(buf, 10, &val);
533 if (err)
534 return err;
535
536 mutex_lock(&data->update_lock);
537
538 if ((data->vrm_ovt & 0x01) &&
539 (w83627thf == data->type || w83637hf == data->type
540 || w83687thf == data->type))
541
542 /* use VRM9 calculation */
543 data->in_min[0] =
544 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
545 255);
546 else
547 /* use VRM8 (standard) calculation */
548 data->in_min[0] = IN_TO_REG(val);
549
550 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
551 mutex_unlock(&data->update_lock);
552 return count;
553 }
554
555 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
556 const char *buf, size_t count)
557 {
558 struct w83627hf_data *data = dev_get_drvdata(dev);
559 unsigned long val;
560 int err;
561
562 err = kstrtoul(buf, 10, &val);
563 if (err)
564 return err;
565
566 mutex_lock(&data->update_lock);
567
568 if ((data->vrm_ovt & 0x01) &&
569 (w83627thf == data->type || w83637hf == data->type
570 || w83687thf == data->type))
571
572 /* use VRM9 calculation */
573 data->in_max[0] =
574 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
575 255);
576 else
577 /* use VRM8 (standard) calculation */
578 data->in_max[0] = IN_TO_REG(val);
579
580 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
581 mutex_unlock(&data->update_lock);
582 return count;
583 }
584
585 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
586 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
587 show_regs_in_min0, store_regs_in_min0);
588 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
589 show_regs_in_max0, store_regs_in_max0);
590
591 static ssize_t
592 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
593 {
594 int nr = to_sensor_dev_attr(devattr)->index;
595 struct w83627hf_data *data = w83627hf_update_device(dev);
596 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
597 (long)DIV_FROM_REG(data->fan_div[nr])));
598 }
599 static ssize_t
600 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
601 {
602 int nr = to_sensor_dev_attr(devattr)->index;
603 struct w83627hf_data *data = w83627hf_update_device(dev);
604 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
605 (long)DIV_FROM_REG(data->fan_div[nr])));
606 }
607 static ssize_t
608 store_fan_min(struct device *dev, struct device_attribute *devattr,
609 const char *buf, size_t count)
610 {
611 int nr = to_sensor_dev_attr(devattr)->index;
612 struct w83627hf_data *data = dev_get_drvdata(dev);
613 unsigned long val;
614 int err;
615
616 err = kstrtoul(buf, 10, &val);
617 if (err)
618 return err;
619
620 mutex_lock(&data->update_lock);
621 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
622 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
623 data->fan_min[nr]);
624
625 mutex_unlock(&data->update_lock);
626 return count;
627 }
628 #define sysfs_fan_decl(offset) \
629 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
630 show_fan_input, NULL, offset - 1); \
631 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
632 show_fan_min, store_fan_min, offset - 1);
633
634 sysfs_fan_decl(1);
635 sysfs_fan_decl(2);
636 sysfs_fan_decl(3);
637
638 static ssize_t
639 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
640 {
641 int nr = to_sensor_dev_attr(devattr)->index;
642 struct w83627hf_data *data = w83627hf_update_device(dev);
643
644 u16 tmp = data->temp[nr];
645 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
646 : (long) TEMP_FROM_REG(tmp));
647 }
648
649 static ssize_t
650 show_temp_max(struct device *dev, struct device_attribute *devattr,
651 char *buf)
652 {
653 int nr = to_sensor_dev_attr(devattr)->index;
654 struct w83627hf_data *data = w83627hf_update_device(dev);
655
656 u16 tmp = data->temp_max[nr];
657 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
658 : (long) TEMP_FROM_REG(tmp));
659 }
660
661 static ssize_t
662 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
663 char *buf)
664 {
665 int nr = to_sensor_dev_attr(devattr)->index;
666 struct w83627hf_data *data = w83627hf_update_device(dev);
667
668 u16 tmp = data->temp_max_hyst[nr];
669 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
670 : (long) TEMP_FROM_REG(tmp));
671 }
672
673 static ssize_t
674 store_temp_max(struct device *dev, struct device_attribute *devattr,
675 const char *buf, size_t count)
676 {
677 int nr = to_sensor_dev_attr(devattr)->index;
678 struct w83627hf_data *data = dev_get_drvdata(dev);
679 u16 tmp;
680 long val;
681 int err;
682
683 err = kstrtol(buf, 10, &val);
684 if (err)
685 return err;
686
687 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
688 mutex_lock(&data->update_lock);
689 data->temp_max[nr] = tmp;
690 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
691 mutex_unlock(&data->update_lock);
692 return count;
693 }
694
695 static ssize_t
696 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
697 const char *buf, size_t count)
698 {
699 int nr = to_sensor_dev_attr(devattr)->index;
700 struct w83627hf_data *data = dev_get_drvdata(dev);
701 u16 tmp;
702 long val;
703 int err;
704
705 err = kstrtol(buf, 10, &val);
706 if (err)
707 return err;
708
709 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
710 mutex_lock(&data->update_lock);
711 data->temp_max_hyst[nr] = tmp;
712 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
713 mutex_unlock(&data->update_lock);
714 return count;
715 }
716
717 #define sysfs_temp_decl(offset) \
718 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
719 show_temp, NULL, offset - 1); \
720 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \
721 show_temp_max, store_temp_max, offset - 1); \
722 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \
723 show_temp_max_hyst, store_temp_max_hyst, offset - 1);
724
725 sysfs_temp_decl(1);
726 sysfs_temp_decl(2);
727 sysfs_temp_decl(3);
728
729 static ssize_t
730 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
731 {
732 struct w83627hf_data *data = w83627hf_update_device(dev);
733 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
734 }
735 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
736
737 static ssize_t
738 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
739 {
740 struct w83627hf_data *data = dev_get_drvdata(dev);
741 return sprintf(buf, "%ld\n", (long) data->vrm);
742 }
743 static ssize_t
744 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
745 {
746 struct w83627hf_data *data = dev_get_drvdata(dev);
747 unsigned long val;
748 int err;
749
750 err = kstrtoul(buf, 10, &val);
751 if (err)
752 return err;
753 data->vrm = val;
754
755 return count;
756 }
757 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
758
759 static ssize_t
760 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
761 {
762 struct w83627hf_data *data = w83627hf_update_device(dev);
763 return sprintf(buf, "%ld\n", (long) data->alarms);
764 }
765 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
766
767 static ssize_t
768 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
769 {
770 struct w83627hf_data *data = w83627hf_update_device(dev);
771 int bitnr = to_sensor_dev_attr(attr)->index;
772 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
773 }
774 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
775 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
776 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
777 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
778 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
779 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
780 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
781 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
782 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
783 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
784 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
785 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
786 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
787 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
788 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
789
790 static ssize_t
791 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
792 {
793 struct w83627hf_data *data = w83627hf_update_device(dev);
794 return sprintf(buf, "%ld\n",
795 (long)BEEP_MASK_FROM_REG(data->beep_mask));
796 }
797
798 static ssize_t
799 store_beep_mask(struct device *dev, struct device_attribute *attr,
800 const char *buf, size_t count)
801 {
802 struct w83627hf_data *data = dev_get_drvdata(dev);
803 unsigned long val;
804 int err;
805
806 err = kstrtoul(buf, 10, &val);
807 if (err)
808 return err;
809
810 mutex_lock(&data->update_lock);
811
812 /* preserve beep enable */
813 data->beep_mask = (data->beep_mask & 0x8000)
814 | BEEP_MASK_TO_REG(val);
815 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
816 data->beep_mask & 0xff);
817 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
818 ((data->beep_mask) >> 16) & 0xff);
819 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
820 (data->beep_mask >> 8) & 0xff);
821
822 mutex_unlock(&data->update_lock);
823 return count;
824 }
825
826 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
827 show_beep_mask, store_beep_mask);
828
829 static ssize_t
830 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
831 {
832 struct w83627hf_data *data = w83627hf_update_device(dev);
833 int bitnr = to_sensor_dev_attr(attr)->index;
834 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
835 }
836
837 static ssize_t
838 store_beep(struct device *dev, struct device_attribute *attr,
839 const char *buf, size_t count)
840 {
841 struct w83627hf_data *data = dev_get_drvdata(dev);
842 int bitnr = to_sensor_dev_attr(attr)->index;
843 u8 reg;
844 unsigned long bit;
845 int err;
846
847 err = kstrtoul(buf, 10, &bit);
848 if (err)
849 return err;
850
851 if (bit & ~1)
852 return -EINVAL;
853
854 mutex_lock(&data->update_lock);
855 if (bit)
856 data->beep_mask |= (1 << bitnr);
857 else
858 data->beep_mask &= ~(1 << bitnr);
859
860 if (bitnr < 8) {
861 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
862 if (bit)
863 reg |= (1 << bitnr);
864 else
865 reg &= ~(1 << bitnr);
866 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
867 } else if (bitnr < 16) {
868 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
869 if (bit)
870 reg |= (1 << (bitnr - 8));
871 else
872 reg &= ~(1 << (bitnr - 8));
873 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
874 } else {
875 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
876 if (bit)
877 reg |= (1 << (bitnr - 16));
878 else
879 reg &= ~(1 << (bitnr - 16));
880 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
881 }
882 mutex_unlock(&data->update_lock);
883
884 return count;
885 }
886
887 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
888 show_beep, store_beep, 0);
889 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
890 show_beep, store_beep, 1);
891 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
892 show_beep, store_beep, 2);
893 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
894 show_beep, store_beep, 3);
895 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
896 show_beep, store_beep, 8);
897 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
898 show_beep, store_beep, 9);
899 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
900 show_beep, store_beep, 10);
901 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
902 show_beep, store_beep, 16);
903 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
904 show_beep, store_beep, 17);
905 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
906 show_beep, store_beep, 6);
907 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
908 show_beep, store_beep, 7);
909 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
910 show_beep, store_beep, 11);
911 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
912 show_beep, store_beep, 4);
913 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
914 show_beep, store_beep, 5);
915 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
916 show_beep, store_beep, 13);
917 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
918 show_beep, store_beep, 15);
919
920 static ssize_t
921 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
922 {
923 int nr = to_sensor_dev_attr(devattr)->index;
924 struct w83627hf_data *data = w83627hf_update_device(dev);
925 return sprintf(buf, "%ld\n",
926 (long) DIV_FROM_REG(data->fan_div[nr]));
927 }
928 /*
929 * Note: we save and restore the fan minimum here, because its value is
930 * determined in part by the fan divisor. This follows the principle of
931 * least surprise; the user doesn't expect the fan minimum to change just
932 * because the divisor changed.
933 */
934 static ssize_t
935 store_fan_div(struct device *dev, struct device_attribute *devattr,
936 const char *buf, size_t count)
937 {
938 int nr = to_sensor_dev_attr(devattr)->index;
939 struct w83627hf_data *data = dev_get_drvdata(dev);
940 unsigned long min;
941 u8 reg;
942 unsigned long val;
943 int err;
944
945 err = kstrtoul(buf, 10, &val);
946 if (err)
947 return err;
948
949 mutex_lock(&data->update_lock);
950
951 /* Save fan_min */
952 min = FAN_FROM_REG(data->fan_min[nr],
953 DIV_FROM_REG(data->fan_div[nr]));
954
955 data->fan_div[nr] = DIV_TO_REG(val);
956
957 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
958 & (nr==0 ? 0xcf : 0x3f))
959 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
960 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
961
962 reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
963 & ~(1 << (5 + nr)))
964 | ((data->fan_div[nr] & 0x04) << (3 + nr));
965 w83627hf_write_value(data, W83781D_REG_VBAT, reg);
966
967 /* Restore fan_min */
968 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
969 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
970
971 mutex_unlock(&data->update_lock);
972 return count;
973 }
974
975 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
976 show_fan_div, store_fan_div, 0);
977 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
978 show_fan_div, store_fan_div, 1);
979 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
980 show_fan_div, store_fan_div, 2);
981
982 static ssize_t
983 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
984 {
985 int nr = to_sensor_dev_attr(devattr)->index;
986 struct w83627hf_data *data = w83627hf_update_device(dev);
987 return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
988 }
989
990 static ssize_t
991 store_pwm(struct device *dev, struct device_attribute *devattr,
992 const char *buf, size_t count)
993 {
994 int nr = to_sensor_dev_attr(devattr)->index;
995 struct w83627hf_data *data = dev_get_drvdata(dev);
996 unsigned long val;
997 int err;
998
999 err = kstrtoul(buf, 10, &val);
1000 if (err)
1001 return err;
1002
1003 mutex_lock(&data->update_lock);
1004
1005 if (data->type == w83627thf) {
1006 /* bits 0-3 are reserved in 627THF */
1007 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1008 w83627hf_write_value(data,
1009 W836X7HF_REG_PWM(data->type, nr),
1010 data->pwm[nr] |
1011 (w83627hf_read_value(data,
1012 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1013 } else {
1014 data->pwm[nr] = PWM_TO_REG(val);
1015 w83627hf_write_value(data,
1016 W836X7HF_REG_PWM(data->type, nr),
1017 data->pwm[nr]);
1018 }
1019
1020 mutex_unlock(&data->update_lock);
1021 return count;
1022 }
1023
1024 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1025 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1026 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1027
1028 static ssize_t
1029 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1030 {
1031 int nr = to_sensor_dev_attr(devattr)->index;
1032 struct w83627hf_data *data = w83627hf_update_device(dev);
1033 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1034 }
1035
1036 static ssize_t
1037 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1038 const char *buf, size_t count)
1039 {
1040 int nr = to_sensor_dev_attr(devattr)->index;
1041 struct w83627hf_data *data = dev_get_drvdata(dev);
1042 u8 reg;
1043 unsigned long val;
1044 int err;
1045
1046 err = kstrtoul(buf, 10, &val);
1047 if (err)
1048 return err;
1049
1050 if (!val || val > 3) /* modes 1, 2 and 3 are supported */
1051 return -EINVAL;
1052 mutex_lock(&data->update_lock);
1053 data->pwm_enable[nr] = val;
1054 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1055 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1056 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1057 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1058 mutex_unlock(&data->update_lock);
1059 return count;
1060 }
1061
1062 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1063 store_pwm_enable, 0);
1064 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1065 store_pwm_enable, 1);
1066 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1067 store_pwm_enable, 2);
1068
1069 static ssize_t
1070 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1071 {
1072 int nr = to_sensor_dev_attr(devattr)->index;
1073 struct w83627hf_data *data = w83627hf_update_device(dev);
1074 if (data->type == w83627hf)
1075 return sprintf(buf, "%ld\n",
1076 pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1077 else
1078 return sprintf(buf, "%ld\n",
1079 pwm_freq_from_reg(data->pwm_freq[nr]));
1080 }
1081
1082 static ssize_t
1083 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1084 const char *buf, size_t count)
1085 {
1086 int nr = to_sensor_dev_attr(devattr)->index;
1087 struct w83627hf_data *data = dev_get_drvdata(dev);
1088 static const u8 mask[]={0xF8, 0x8F};
1089 unsigned long val;
1090 int err;
1091
1092 err = kstrtoul(buf, 10, &val);
1093 if (err)
1094 return err;
1095
1096 mutex_lock(&data->update_lock);
1097
1098 if (data->type == w83627hf) {
1099 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1100 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1101 (data->pwm_freq[nr] << (nr*4)) |
1102 (w83627hf_read_value(data,
1103 W83627HF_REG_PWM_FREQ) & mask[nr]));
1104 } else {
1105 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1106 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1107 data->pwm_freq[nr]);
1108 }
1109
1110 mutex_unlock(&data->update_lock);
1111 return count;
1112 }
1113
1114 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1115 show_pwm_freq, store_pwm_freq, 0);
1116 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1117 show_pwm_freq, store_pwm_freq, 1);
1118 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1119 show_pwm_freq, store_pwm_freq, 2);
1120
1121 static ssize_t
1122 show_temp_type(struct device *dev, struct device_attribute *devattr,
1123 char *buf)
1124 {
1125 int nr = to_sensor_dev_attr(devattr)->index;
1126 struct w83627hf_data *data = w83627hf_update_device(dev);
1127 return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1128 }
1129
1130 static ssize_t
1131 store_temp_type(struct device *dev, struct device_attribute *devattr,
1132 const char *buf, size_t count)
1133 {
1134 int nr = to_sensor_dev_attr(devattr)->index;
1135 struct w83627hf_data *data = dev_get_drvdata(dev);
1136 unsigned long val;
1137 u32 tmp;
1138 int err;
1139
1140 err = kstrtoul(buf, 10, &val);
1141 if (err)
1142 return err;
1143
1144 mutex_lock(&data->update_lock);
1145
1146 switch (val) {
1147 case 1: /* PII/Celeron diode */
1148 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1149 w83627hf_write_value(data, W83781D_REG_SCFG1,
1150 tmp | BIT_SCFG1[nr]);
1151 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1152 w83627hf_write_value(data, W83781D_REG_SCFG2,
1153 tmp | BIT_SCFG2[nr]);
1154 data->sens[nr] = val;
1155 break;
1156 case 2: /* 3904 */
1157 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1158 w83627hf_write_value(data, W83781D_REG_SCFG1,
1159 tmp | BIT_SCFG1[nr]);
1160 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1161 w83627hf_write_value(data, W83781D_REG_SCFG2,
1162 tmp & ~BIT_SCFG2[nr]);
1163 data->sens[nr] = val;
1164 break;
1165 case W83781D_DEFAULT_BETA:
1166 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1167 "instead\n", W83781D_DEFAULT_BETA);
1168 /* fall through */
1169 case 4: /* thermistor */
1170 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1171 w83627hf_write_value(data, W83781D_REG_SCFG1,
1172 tmp & ~BIT_SCFG1[nr]);
1173 data->sens[nr] = val;
1174 break;
1175 default:
1176 dev_err(dev,
1177 "Invalid sensor type %ld; must be 1, 2, or 4\n",
1178 (long) val);
1179 break;
1180 }
1181
1182 mutex_unlock(&data->update_lock);
1183 return count;
1184 }
1185
1186 #define sysfs_temp_type(offset) \
1187 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1188 show_temp_type, store_temp_type, offset - 1);
1189
1190 sysfs_temp_type(1);
1191 sysfs_temp_type(2);
1192 sysfs_temp_type(3);
1193
1194 static ssize_t
1195 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1196 {
1197 struct w83627hf_data *data = dev_get_drvdata(dev);
1198
1199 return sprintf(buf, "%s\n", data->name);
1200 }
1201 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1202
1203 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1204 struct w83627hf_sio_data *sio_data)
1205 {
1206 int err = -ENODEV;
1207 u16 val;
1208
1209 static const __initdata char *names[] = {
1210 "W83627HF",
1211 "W83627THF",
1212 "W83697HF",
1213 "W83637HF",
1214 "W83687THF",
1215 };
1216
1217 sio_data->sioaddr = sioaddr;
1218 superio_enter(sio_data);
1219 val = force_id ? force_id : superio_inb(sio_data, DEVID);
1220 switch (val) {
1221 case W627_DEVID:
1222 sio_data->type = w83627hf;
1223 break;
1224 case W627THF_DEVID:
1225 sio_data->type = w83627thf;
1226 break;
1227 case W697_DEVID:
1228 sio_data->type = w83697hf;
1229 break;
1230 case W637_DEVID:
1231 sio_data->type = w83637hf;
1232 break;
1233 case W687THF_DEVID:
1234 sio_data->type = w83687thf;
1235 break;
1236 case 0xff: /* No device at all */
1237 goto exit;
1238 default:
1239 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1240 goto exit;
1241 }
1242
1243 superio_select(sio_data, W83627HF_LD_HWM);
1244 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1245 superio_inb(sio_data, WINB_BASE_REG + 1);
1246 *addr = val & WINB_ALIGNMENT;
1247 if (*addr == 0) {
1248 pr_warn("Base address not set, skipping\n");
1249 goto exit;
1250 }
1251
1252 val = superio_inb(sio_data, WINB_ACT_REG);
1253 if (!(val & 0x01)) {
1254 pr_warn("Enabling HWM logical device\n");
1255 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1256 }
1257
1258 err = 0;
1259 pr_info(DRVNAME ": Found %s chip at %#x\n",
1260 names[sio_data->type], *addr);
1261
1262 exit:
1263 superio_exit(sio_data);
1264 return err;
1265 }
1266
1267 #define VIN_UNIT_ATTRS(_X_) \
1268 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
1269 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
1270 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
1271 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
1272 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1273
1274 #define FAN_UNIT_ATTRS(_X_) \
1275 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
1276 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
1277 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
1278 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
1279 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1280
1281 #define TEMP_UNIT_ATTRS(_X_) \
1282 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
1283 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
1284 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
1285 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
1286 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
1287 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1288
1289 static struct attribute *w83627hf_attributes[] = {
1290 &dev_attr_in0_input.attr,
1291 &dev_attr_in0_min.attr,
1292 &dev_attr_in0_max.attr,
1293 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1294 &sensor_dev_attr_in0_beep.dev_attr.attr,
1295 VIN_UNIT_ATTRS(2),
1296 VIN_UNIT_ATTRS(3),
1297 VIN_UNIT_ATTRS(4),
1298 VIN_UNIT_ATTRS(7),
1299 VIN_UNIT_ATTRS(8),
1300
1301 FAN_UNIT_ATTRS(1),
1302 FAN_UNIT_ATTRS(2),
1303
1304 TEMP_UNIT_ATTRS(1),
1305 TEMP_UNIT_ATTRS(2),
1306
1307 &dev_attr_alarms.attr,
1308 &sensor_dev_attr_beep_enable.dev_attr.attr,
1309 &dev_attr_beep_mask.attr,
1310
1311 &sensor_dev_attr_pwm1.dev_attr.attr,
1312 &sensor_dev_attr_pwm2.dev_attr.attr,
1313 &dev_attr_name.attr,
1314 NULL
1315 };
1316
1317 static const struct attribute_group w83627hf_group = {
1318 .attrs = w83627hf_attributes,
1319 };
1320
1321 static struct attribute *w83627hf_attributes_opt[] = {
1322 VIN_UNIT_ATTRS(1),
1323 VIN_UNIT_ATTRS(5),
1324 VIN_UNIT_ATTRS(6),
1325
1326 FAN_UNIT_ATTRS(3),
1327 TEMP_UNIT_ATTRS(3),
1328 &sensor_dev_attr_pwm3.dev_attr.attr,
1329
1330 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1331 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1332 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1333
1334 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1335 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1336 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1337
1338 NULL
1339 };
1340
1341 static const struct attribute_group w83627hf_group_opt = {
1342 .attrs = w83627hf_attributes_opt,
1343 };
1344
1345 static int __devinit w83627hf_probe(struct platform_device *pdev)
1346 {
1347 struct device *dev = &pdev->dev;
1348 struct w83627hf_sio_data *sio_data = dev->platform_data;
1349 struct w83627hf_data *data;
1350 struct resource *res;
1351 int err, i;
1352
1353 static const char *names[] = {
1354 "w83627hf",
1355 "w83627thf",
1356 "w83697hf",
1357 "w83637hf",
1358 "w83687thf",
1359 };
1360
1361 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1362 if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1363 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1364 (unsigned long)res->start,
1365 (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1366 err = -EBUSY;
1367 goto ERROR0;
1368 }
1369
1370 data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL);
1371 if (!data) {
1372 err = -ENOMEM;
1373 goto ERROR1;
1374 }
1375 data->addr = res->start;
1376 data->type = sio_data->type;
1377 data->name = names[sio_data->type];
1378 mutex_init(&data->lock);
1379 mutex_init(&data->update_lock);
1380 platform_set_drvdata(pdev, data);
1381
1382 /* Initialize the chip */
1383 w83627hf_init_device(pdev);
1384
1385 /* A few vars need to be filled upon startup */
1386 for (i = 0; i <= 2; i++)
1387 data->fan_min[i] = w83627hf_read_value(
1388 data, W83627HF_REG_FAN_MIN(i));
1389 w83627hf_update_fan_div(data);
1390
1391 /* Register common device attributes */
1392 err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1393 if (err)
1394 goto ERROR3;
1395
1396 /* Register chip-specific device attributes */
1397 if (data->type == w83627hf || data->type == w83697hf)
1398 if ((err = device_create_file(dev,
1399 &sensor_dev_attr_in5_input.dev_attr))
1400 || (err = device_create_file(dev,
1401 &sensor_dev_attr_in5_min.dev_attr))
1402 || (err = device_create_file(dev,
1403 &sensor_dev_attr_in5_max.dev_attr))
1404 || (err = device_create_file(dev,
1405 &sensor_dev_attr_in5_alarm.dev_attr))
1406 || (err = device_create_file(dev,
1407 &sensor_dev_attr_in5_beep.dev_attr))
1408 || (err = device_create_file(dev,
1409 &sensor_dev_attr_in6_input.dev_attr))
1410 || (err = device_create_file(dev,
1411 &sensor_dev_attr_in6_min.dev_attr))
1412 || (err = device_create_file(dev,
1413 &sensor_dev_attr_in6_max.dev_attr))
1414 || (err = device_create_file(dev,
1415 &sensor_dev_attr_in6_alarm.dev_attr))
1416 || (err = device_create_file(dev,
1417 &sensor_dev_attr_in6_beep.dev_attr))
1418 || (err = device_create_file(dev,
1419 &sensor_dev_attr_pwm1_freq.dev_attr))
1420 || (err = device_create_file(dev,
1421 &sensor_dev_attr_pwm2_freq.dev_attr)))
1422 goto ERROR4;
1423
1424 if (data->type != w83697hf)
1425 if ((err = device_create_file(dev,
1426 &sensor_dev_attr_in1_input.dev_attr))
1427 || (err = device_create_file(dev,
1428 &sensor_dev_attr_in1_min.dev_attr))
1429 || (err = device_create_file(dev,
1430 &sensor_dev_attr_in1_max.dev_attr))
1431 || (err = device_create_file(dev,
1432 &sensor_dev_attr_in1_alarm.dev_attr))
1433 || (err = device_create_file(dev,
1434 &sensor_dev_attr_in1_beep.dev_attr))
1435 || (err = device_create_file(dev,
1436 &sensor_dev_attr_fan3_input.dev_attr))
1437 || (err = device_create_file(dev,
1438 &sensor_dev_attr_fan3_min.dev_attr))
1439 || (err = device_create_file(dev,
1440 &sensor_dev_attr_fan3_div.dev_attr))
1441 || (err = device_create_file(dev,
1442 &sensor_dev_attr_fan3_alarm.dev_attr))
1443 || (err = device_create_file(dev,
1444 &sensor_dev_attr_fan3_beep.dev_attr))
1445 || (err = device_create_file(dev,
1446 &sensor_dev_attr_temp3_input.dev_attr))
1447 || (err = device_create_file(dev,
1448 &sensor_dev_attr_temp3_max.dev_attr))
1449 || (err = device_create_file(dev,
1450 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1451 || (err = device_create_file(dev,
1452 &sensor_dev_attr_temp3_alarm.dev_attr))
1453 || (err = device_create_file(dev,
1454 &sensor_dev_attr_temp3_beep.dev_attr))
1455 || (err = device_create_file(dev,
1456 &sensor_dev_attr_temp3_type.dev_attr)))
1457 goto ERROR4;
1458
1459 if (data->type != w83697hf && data->vid != 0xff) {
1460 /* Convert VID to voltage based on VRM */
1461 data->vrm = vid_which_vrm();
1462
1463 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1464 || (err = device_create_file(dev, &dev_attr_vrm)))
1465 goto ERROR4;
1466 }
1467
1468 if (data->type == w83627thf || data->type == w83637hf
1469 || data->type == w83687thf) {
1470 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1471 if (err)
1472 goto ERROR4;
1473 }
1474
1475 if (data->type == w83637hf || data->type == w83687thf)
1476 if ((err = device_create_file(dev,
1477 &sensor_dev_attr_pwm1_freq.dev_attr))
1478 || (err = device_create_file(dev,
1479 &sensor_dev_attr_pwm2_freq.dev_attr))
1480 || (err = device_create_file(dev,
1481 &sensor_dev_attr_pwm3_freq.dev_attr)))
1482 goto ERROR4;
1483
1484 if (data->type != w83627hf)
1485 if ((err = device_create_file(dev,
1486 &sensor_dev_attr_pwm1_enable.dev_attr))
1487 || (err = device_create_file(dev,
1488 &sensor_dev_attr_pwm2_enable.dev_attr)))
1489 goto ERROR4;
1490
1491 if (data->type == w83627thf || data->type == w83637hf
1492 || data->type == w83687thf) {
1493 err = device_create_file(dev,
1494 &sensor_dev_attr_pwm3_enable.dev_attr);
1495 if (err)
1496 goto ERROR4;
1497 }
1498
1499 data->hwmon_dev = hwmon_device_register(dev);
1500 if (IS_ERR(data->hwmon_dev)) {
1501 err = PTR_ERR(data->hwmon_dev);
1502 goto ERROR4;
1503 }
1504
1505 return 0;
1506
1507 ERROR4:
1508 sysfs_remove_group(&dev->kobj, &w83627hf_group);
1509 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1510 ERROR3:
1511 platform_set_drvdata(pdev, NULL);
1512 kfree(data);
1513 ERROR1:
1514 release_region(res->start, WINB_REGION_SIZE);
1515 ERROR0:
1516 return err;
1517 }
1518
1519 static int __devexit w83627hf_remove(struct platform_device *pdev)
1520 {
1521 struct w83627hf_data *data = platform_get_drvdata(pdev);
1522 struct resource *res;
1523
1524 hwmon_device_unregister(data->hwmon_dev);
1525
1526 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1527 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1528 platform_set_drvdata(pdev, NULL);
1529 kfree(data);
1530
1531 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1532 release_region(res->start, WINB_REGION_SIZE);
1533
1534 return 0;
1535 }
1536
1537
1538 /* Registers 0x50-0x5f are banked */
1539 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1540 {
1541 if ((reg & 0x00f0) == 0x50) {
1542 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1543 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1544 }
1545 }
1546
1547 /* Not strictly necessary, but play it safe for now */
1548 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1549 {
1550 if (reg & 0xff00) {
1551 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1552 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1553 }
1554 }
1555
1556 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1557 {
1558 int res, word_sized;
1559
1560 mutex_lock(&data->lock);
1561 word_sized = (((reg & 0xff00) == 0x100)
1562 || ((reg & 0xff00) == 0x200))
1563 && (((reg & 0x00ff) == 0x50)
1564 || ((reg & 0x00ff) == 0x53)
1565 || ((reg & 0x00ff) == 0x55));
1566 w83627hf_set_bank(data, reg);
1567 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1568 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1569 if (word_sized) {
1570 outb_p((reg & 0xff) + 1,
1571 data->addr + W83781D_ADDR_REG_OFFSET);
1572 res =
1573 (res << 8) + inb_p(data->addr +
1574 W83781D_DATA_REG_OFFSET);
1575 }
1576 w83627hf_reset_bank(data, reg);
1577 mutex_unlock(&data->lock);
1578 return res;
1579 }
1580
1581 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1582 {
1583 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1584 int res = 0xff, sel;
1585
1586 superio_enter(sio_data);
1587 superio_select(sio_data, W83627HF_LD_GPIO5);
1588
1589 /* Make sure these GPIO pins are enabled */
1590 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1591 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1592 goto exit;
1593 }
1594
1595 /*
1596 * Make sure the pins are configured for input
1597 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1598 */
1599 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1600 if ((sel & 0x1f) != 0x1f) {
1601 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1602 "function\n");
1603 goto exit;
1604 }
1605
1606 dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1607 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1608
1609 exit:
1610 superio_exit(sio_data);
1611 return res;
1612 }
1613
1614 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1615 {
1616 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1617 int res = 0xff;
1618
1619 superio_enter(sio_data);
1620 superio_select(sio_data, W83627HF_LD_HWM);
1621
1622 /* Make sure these GPIO pins are enabled */
1623 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1624 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1625 goto exit;
1626 }
1627
1628 /* Make sure the pins are configured for input */
1629 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1630 dev_dbg(&pdev->dev, "VID configured as output, "
1631 "no VID function\n");
1632 goto exit;
1633 }
1634
1635 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1636
1637 exit:
1638 superio_exit(sio_data);
1639 return res;
1640 }
1641
1642 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1643 {
1644 int word_sized;
1645
1646 mutex_lock(&data->lock);
1647 word_sized = (((reg & 0xff00) == 0x100)
1648 || ((reg & 0xff00) == 0x200))
1649 && (((reg & 0x00ff) == 0x53)
1650 || ((reg & 0x00ff) == 0x55));
1651 w83627hf_set_bank(data, reg);
1652 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1653 if (word_sized) {
1654 outb_p(value >> 8,
1655 data->addr + W83781D_DATA_REG_OFFSET);
1656 outb_p((reg & 0xff) + 1,
1657 data->addr + W83781D_ADDR_REG_OFFSET);
1658 }
1659 outb_p(value & 0xff,
1660 data->addr + W83781D_DATA_REG_OFFSET);
1661 w83627hf_reset_bank(data, reg);
1662 mutex_unlock(&data->lock);
1663 return 0;
1664 }
1665
1666 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1667 {
1668 struct w83627hf_data *data = platform_get_drvdata(pdev);
1669 int i;
1670 enum chips type = data->type;
1671 u8 tmp;
1672
1673 /* Minimize conflicts with other winbond i2c-only clients... */
1674 /* disable i2c subclients... how to disable main i2c client?? */
1675 /* force i2c address to relatively uncommon address */
1676 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1677 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1678
1679 /* Read VID only once */
1680 if (type == w83627hf || type == w83637hf) {
1681 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1682 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1683 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1684 } else if (type == w83627thf) {
1685 data->vid = w83627thf_read_gpio5(pdev);
1686 } else if (type == w83687thf) {
1687 data->vid = w83687thf_read_vid(pdev);
1688 }
1689
1690 /* Read VRM & OVT Config only once */
1691 if (type == w83627thf || type == w83637hf || type == w83687thf) {
1692 data->vrm_ovt =
1693 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1694 }
1695
1696 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1697 for (i = 1; i <= 3; i++) {
1698 if (!(tmp & BIT_SCFG1[i - 1])) {
1699 data->sens[i - 1] = 4;
1700 } else {
1701 if (w83627hf_read_value
1702 (data,
1703 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1704 data->sens[i - 1] = 1;
1705 else
1706 data->sens[i - 1] = 2;
1707 }
1708 if ((type == w83697hf) && (i == 2))
1709 break;
1710 }
1711
1712 if(init) {
1713 /* Enable temp2 */
1714 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1715 if (tmp & 0x01) {
1716 dev_warn(&pdev->dev, "Enabling temp2, readings "
1717 "might not make sense\n");
1718 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1719 tmp & 0xfe);
1720 }
1721
1722 /* Enable temp3 */
1723 if (type != w83697hf) {
1724 tmp = w83627hf_read_value(data,
1725 W83627HF_REG_TEMP3_CONFIG);
1726 if (tmp & 0x01) {
1727 dev_warn(&pdev->dev, "Enabling temp3, "
1728 "readings might not make sense\n");
1729 w83627hf_write_value(data,
1730 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1731 }
1732 }
1733 }
1734
1735 /* Start monitoring */
1736 w83627hf_write_value(data, W83781D_REG_CONFIG,
1737 (w83627hf_read_value(data,
1738 W83781D_REG_CONFIG) & 0xf7)
1739 | 0x01);
1740
1741 /* Enable VBAT monitoring if needed */
1742 tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1743 if (!(tmp & 0x01))
1744 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1745 }
1746
1747 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1748 {
1749 int reg;
1750
1751 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1752 data->fan_div[0] = (reg >> 4) & 0x03;
1753 data->fan_div[1] = (reg >> 6) & 0x03;
1754 if (data->type != w83697hf) {
1755 data->fan_div[2] = (w83627hf_read_value(data,
1756 W83781D_REG_PIN) >> 6) & 0x03;
1757 }
1758 reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1759 data->fan_div[0] |= (reg >> 3) & 0x04;
1760 data->fan_div[1] |= (reg >> 4) & 0x04;
1761 if (data->type != w83697hf)
1762 data->fan_div[2] |= (reg >> 5) & 0x04;
1763 }
1764
1765 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1766 {
1767 struct w83627hf_data *data = dev_get_drvdata(dev);
1768 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1769 int num_pwms = (data->type == w83697hf) ? 2 : 3;
1770
1771 mutex_lock(&data->update_lock);
1772
1773 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1774 || !data->valid) {
1775 for (i = 0; i <= 8; i++) {
1776 /* skip missing sensors */
1777 if (((data->type == w83697hf) && (i == 1)) ||
1778 ((data->type != w83627hf && data->type != w83697hf)
1779 && (i == 5 || i == 6)))
1780 continue;
1781 data->in[i] =
1782 w83627hf_read_value(data, W83781D_REG_IN(i));
1783 data->in_min[i] =
1784 w83627hf_read_value(data,
1785 W83781D_REG_IN_MIN(i));
1786 data->in_max[i] =
1787 w83627hf_read_value(data,
1788 W83781D_REG_IN_MAX(i));
1789 }
1790 for (i = 0; i <= 2; i++) {
1791 data->fan[i] =
1792 w83627hf_read_value(data, W83627HF_REG_FAN(i));
1793 data->fan_min[i] =
1794 w83627hf_read_value(data,
1795 W83627HF_REG_FAN_MIN(i));
1796 }
1797 for (i = 0; i <= 2; i++) {
1798 u8 tmp = w83627hf_read_value(data,
1799 W836X7HF_REG_PWM(data->type, i));
1800 /* bits 0-3 are reserved in 627THF */
1801 if (data->type == w83627thf)
1802 tmp &= 0xf0;
1803 data->pwm[i] = tmp;
1804 if (i == 1 &&
1805 (data->type == w83627hf || data->type == w83697hf))
1806 break;
1807 }
1808 if (data->type == w83627hf) {
1809 u8 tmp = w83627hf_read_value(data,
1810 W83627HF_REG_PWM_FREQ);
1811 data->pwm_freq[0] = tmp & 0x07;
1812 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1813 } else if (data->type != w83627thf) {
1814 for (i = 1; i <= 3; i++) {
1815 data->pwm_freq[i - 1] =
1816 w83627hf_read_value(data,
1817 W83637HF_REG_PWM_FREQ[i - 1]);
1818 if (i == 2 && (data->type == w83697hf))
1819 break;
1820 }
1821 }
1822 if (data->type != w83627hf) {
1823 for (i = 0; i < num_pwms; i++) {
1824 u8 tmp = w83627hf_read_value(data,
1825 W83627THF_REG_PWM_ENABLE[i]);
1826 data->pwm_enable[i] =
1827 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1828 & 0x03) + 1;
1829 }
1830 }
1831 for (i = 0; i < num_temps; i++) {
1832 data->temp[i] = w83627hf_read_value(
1833 data, w83627hf_reg_temp[i]);
1834 data->temp_max[i] = w83627hf_read_value(
1835 data, w83627hf_reg_temp_over[i]);
1836 data->temp_max_hyst[i] = w83627hf_read_value(
1837 data, w83627hf_reg_temp_hyst[i]);
1838 }
1839
1840 w83627hf_update_fan_div(data);
1841
1842 data->alarms =
1843 w83627hf_read_value(data, W83781D_REG_ALARM1) |
1844 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1845 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1846 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1847 data->beep_mask = (i << 8) |
1848 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1849 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1850 data->last_updated = jiffies;
1851 data->valid = 1;
1852 }
1853
1854 mutex_unlock(&data->update_lock);
1855
1856 return data;
1857 }
1858
1859 static int __init w83627hf_device_add(unsigned short address,
1860 const struct w83627hf_sio_data *sio_data)
1861 {
1862 struct resource res = {
1863 .start = address + WINB_REGION_OFFSET,
1864 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1865 .name = DRVNAME,
1866 .flags = IORESOURCE_IO,
1867 };
1868 int err;
1869
1870 err = acpi_check_resource_conflict(&res);
1871 if (err)
1872 goto exit;
1873
1874 pdev = platform_device_alloc(DRVNAME, address);
1875 if (!pdev) {
1876 err = -ENOMEM;
1877 pr_err("Device allocation failed\n");
1878 goto exit;
1879 }
1880
1881 err = platform_device_add_resources(pdev, &res, 1);
1882 if (err) {
1883 pr_err("Device resource addition failed (%d)\n", err);
1884 goto exit_device_put;
1885 }
1886
1887 err = platform_device_add_data(pdev, sio_data,
1888 sizeof(struct w83627hf_sio_data));
1889 if (err) {
1890 pr_err("Platform data allocation failed\n");
1891 goto exit_device_put;
1892 }
1893
1894 err = platform_device_add(pdev);
1895 if (err) {
1896 pr_err("Device addition failed (%d)\n", err);
1897 goto exit_device_put;
1898 }
1899
1900 return 0;
1901
1902 exit_device_put:
1903 platform_device_put(pdev);
1904 exit:
1905 return err;
1906 }
1907
1908 static int __init sensors_w83627hf_init(void)
1909 {
1910 int err;
1911 unsigned short address;
1912 struct w83627hf_sio_data sio_data;
1913
1914 if (w83627hf_find(0x2e, &address, &sio_data)
1915 && w83627hf_find(0x4e, &address, &sio_data))
1916 return -ENODEV;
1917
1918 err = platform_driver_register(&w83627hf_driver);
1919 if (err)
1920 goto exit;
1921
1922 /* Sets global pdev as a side effect */
1923 err = w83627hf_device_add(address, &sio_data);
1924 if (err)
1925 goto exit_driver;
1926
1927 return 0;
1928
1929 exit_driver:
1930 platform_driver_unregister(&w83627hf_driver);
1931 exit:
1932 return err;
1933 }
1934
1935 static void __exit sensors_w83627hf_exit(void)
1936 {
1937 platform_device_unregister(pdev);
1938 platform_driver_unregister(&w83627hf_driver);
1939 }
1940
1941 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1942 "Philip Edelbrock <phil@netroedge.com>, "
1943 "and Mark Studebaker <mdsxyz123@yahoo.com>");
1944 MODULE_DESCRIPTION("W83627HF driver");
1945 MODULE_LICENSE("GPL");
1946
1947 module_init(sensors_w83627hf_init);
1948 module_exit(sensors_w83627hf_exit);
Linux with added FPC-III support