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nilfs2: mark minor flag for checkpoint created by internal operation
[linux-2.6/mini2440.git] / drivers / hwmon / w83627hf.c
blob389150ba30d364ffd46ce1121684531f18297754
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 #include <linux/module.h>
43 #include <linux/init.h>
44 #include <linux/slab.h>
45 #include <linux/jiffies.h>
46 #include <linux/platform_device.h>
47 #include <linux/hwmon.h>
48 #include <linux/hwmon-sysfs.h>
49 #include <linux/hwmon-vid.h>
50 #include <linux/err.h>
51 #include <linux/mutex.h>
52 #include <linux/ioport.h>
53 #include <linux/acpi.h>
54 #include <asm/io.h>
55 #include "lm75.h"
56
57 static struct platform_device *pdev;
58
59 #define DRVNAME "w83627hf"
60 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
61
62 static u16 force_addr;
63 module_param(force_addr, ushort, 0);
64 MODULE_PARM_DESC(force_addr,
65 "Initialize the base address of the sensors");
66 static u8 force_i2c = 0x1f;
67 module_param(force_i2c, byte, 0);
68 MODULE_PARM_DESC(force_i2c,
69 "Initialize the i2c address of the sensors");
70
71 static int init = 1;
72 module_param(init, bool, 0);
73 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
74
75 static unsigned short force_id;
76 module_param(force_id, ushort, 0);
77 MODULE_PARM_DESC(force_id, "Override the detected device ID");
78
79 /* modified from kernel/include/traps.c */
80 static int REG; /* The register to read/write */
81 #define DEV 0x07 /* Register: Logical device select */
82 static int VAL; /* The value to read/write */
83
84 /* logical device numbers for superio_select (below) */
85 #define W83627HF_LD_FDC 0x00
86 #define W83627HF_LD_PRT 0x01
87 #define W83627HF_LD_UART1 0x02
88 #define W83627HF_LD_UART2 0x03
89 #define W83627HF_LD_KBC 0x05
90 #define W83627HF_LD_CIR 0x06 /* w83627hf only */
91 #define W83627HF_LD_GAME 0x07
92 #define W83627HF_LD_MIDI 0x07
93 #define W83627HF_LD_GPIO1 0x07
94 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */
95 #define W83627HF_LD_GPIO2 0x08
96 #define W83627HF_LD_GPIO3 0x09
97 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */
98 #define W83627HF_LD_ACPI 0x0a
99 #define W83627HF_LD_HWM 0x0b
100
101 #define DEVID 0x20 /* Register: Device ID */
102
103 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
104 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
105 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
106
107 #define W83687THF_VID_EN 0x29 /* w83687thf only */
108 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */
109 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */
110
111 static inline void
112 superio_outb(int reg, int val)
113 {
114 outb(reg, REG);
115 outb(val, VAL);
116 }
117
118 static inline int
119 superio_inb(int reg)
120 {
121 outb(reg, REG);
122 return inb(VAL);
123 }
124
125 static inline void
126 superio_select(int ld)
127 {
128 outb(DEV, REG);
129 outb(ld, VAL);
130 }
131
132 static inline void
133 superio_enter(void)
134 {
135 outb(0x87, REG);
136 outb(0x87, REG);
137 }
138
139 static inline void
140 superio_exit(void)
141 {
142 outb(0xAA, REG);
143 }
144
145 #define W627_DEVID 0x52
146 #define W627THF_DEVID 0x82
147 #define W697_DEVID 0x60
148 #define W637_DEVID 0x70
149 #define W687THF_DEVID 0x85
150 #define WINB_ACT_REG 0x30
151 #define WINB_BASE_REG 0x60
152 /* Constants specified below */
153
154 /* Alignment of the base address */
155 #define WINB_ALIGNMENT ~7
156
157 /* Offset & size of I/O region we are interested in */
158 #define WINB_REGION_OFFSET 5
159 #define WINB_REGION_SIZE 2
160
161 /* Where are the sensors address/data registers relative to the region offset */
162 #define W83781D_ADDR_REG_OFFSET 0
163 #define W83781D_DATA_REG_OFFSET 1
164
165 /* The W83781D registers */
166 /* The W83782D registers for nr=7,8 are in bank 5 */
167 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
168 (0x554 + (((nr) - 7) * 2)))
169 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
170 (0x555 + (((nr) - 7) * 2)))
171 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
172 (0x550 + (nr) - 7))
173
174 /* nr:0-2 for fans:1-3 */
175 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr))
176 #define W83627HF_REG_FAN(nr) (0x28 + (nr))
177
178 #define W83627HF_REG_TEMP2_CONFIG 0x152
179 #define W83627HF_REG_TEMP3_CONFIG 0x252
180 /* these are zero-based, unlike config constants above */
181 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 };
182 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 };
183 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 };
184
185 #define W83781D_REG_BANK 0x4E
186
187 #define W83781D_REG_CONFIG 0x40
188 #define W83781D_REG_ALARM1 0x459
189 #define W83781D_REG_ALARM2 0x45A
190 #define W83781D_REG_ALARM3 0x45B
191
192 #define W83781D_REG_BEEP_CONFIG 0x4D
193 #define W83781D_REG_BEEP_INTS1 0x56
194 #define W83781D_REG_BEEP_INTS2 0x57
195 #define W83781D_REG_BEEP_INTS3 0x453
196
197 #define W83781D_REG_VID_FANDIV 0x47
198
199 #define W83781D_REG_CHIPID 0x49
200 #define W83781D_REG_WCHIPID 0x58
201 #define W83781D_REG_CHIPMAN 0x4F
202 #define W83781D_REG_PIN 0x4B
203
204 #define W83781D_REG_VBAT 0x5D
205
206 #define W83627HF_REG_PWM1 0x5A
207 #define W83627HF_REG_PWM2 0x5B
208
209 static const u8 W83627THF_REG_PWM_ENABLE[] = {
210 0x04, /* FAN 1 mode */
211 0x04, /* FAN 2 mode */
212 0x12, /* FAN AUX mode */
213 };
214 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
215
216 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */
217 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */
218 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */
219
220 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */
221
222 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
223 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
224 W83627THF_REG_PWM3 };
225 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
226 regpwm_627hf[nr] : regpwm[nr])
227
228 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */
229
230 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */
231 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */
232 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */
233
234 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
235 W83637HF_REG_PWM_FREQ2,
236 W83637HF_REG_PWM_FREQ3 };
237
238 #define W83627HF_BASE_PWM_FREQ 46870
239
240 #define W83781D_REG_I2C_ADDR 0x48
241 #define W83781D_REG_I2C_SUBADDR 0x4A
242
243 /* Sensor selection */
244 #define W83781D_REG_SCFG1 0x5D
245 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
246 #define W83781D_REG_SCFG2 0x59
247 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
248 #define W83781D_DEFAULT_BETA 3435
249
250 /* Conversions. Limit checking is only done on the TO_REG
251 variants. Note that you should be a bit careful with which arguments
252 these macros are called: arguments may be evaluated more than once.
253 Fixing this is just not worth it. */
254 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255))
255 #define IN_FROM_REG(val) ((val) * 16)
256
257 static inline u8 FAN_TO_REG(long rpm, int div)
258 {
259 if (rpm == 0)
260 return 255;
261 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
262 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
263 254);
264 }
265
266 #define TEMP_MIN (-128000)
267 #define TEMP_MAX ( 127000)
268
269 /* TEMP: 0.001C/bit (-128C to +127C)
270 REG: 1C/bit, two's complement */
271 static u8 TEMP_TO_REG(long temp)
272 {
273 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
274 ntemp += (ntemp<0 ? -500 : 500);
275 return (u8)(ntemp / 1000);
276 }
277
278 static int TEMP_FROM_REG(u8 reg)
279 {
280 return (s8)reg * 1000;
281 }
282
283 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
284
285 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
286
287 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
288 {
289 unsigned long freq;
290 freq = W83627HF_BASE_PWM_FREQ >> reg;
291 return freq;
292 }
293 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
294 {
295 u8 i;
296 /* Only 5 dividers (1 2 4 8 16)
297 Search for the nearest available frequency */
298 for (i = 0; i < 4; i++) {
299 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
300 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
301 break;
302 }
303 return i;
304 }
305
306 static inline unsigned long pwm_freq_from_reg(u8 reg)
307 {
308 /* Clock bit 8 -> 180 kHz or 24 MHz */
309 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
310
311 reg &= 0x7f;
312 /* This should not happen but anyway... */
313 if (reg == 0)
314 reg++;
315 return (clock / (reg << 8));
316 }
317 static inline u8 pwm_freq_to_reg(unsigned long val)
318 {
319 /* Minimum divider value is 0x01 and maximum is 0x7F */
320 if (val >= 93750) /* The highest we can do */
321 return 0x01;
322 if (val >= 720) /* Use 24 MHz clock */
323 return (24000000UL / (val << 8));
324 if (val < 6) /* The lowest we can do */
325 return 0xFF;
326 else /* Use 180 kHz clock */
327 return (0x80 | (180000UL / (val << 8)));
328 }
329
330 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
331 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff)
332
333 #define DIV_FROM_REG(val) (1 << (val))
334
335 static inline u8 DIV_TO_REG(long val)
336 {
337 int i;
338 val = SENSORS_LIMIT(val, 1, 128) >> 1;
339 for (i = 0; i < 7; i++) {
340 if (val == 0)
341 break;
342 val >>= 1;
343 }
344 return ((u8) i);
345 }
346
347 /* For each registered chip, we need to keep some data in memory.
348 The structure is dynamically allocated. */
349 struct w83627hf_data {
350 unsigned short addr;
351 const char *name;
352 struct device *hwmon_dev;
353 struct mutex lock;
354 enum chips type;
355
356 struct mutex update_lock;
357 char valid; /* !=0 if following fields are valid */
358 unsigned long last_updated; /* In jiffies */
359
360 u8 in[9]; /* Register value */
361 u8 in_max[9]; /* Register value */
362 u8 in_min[9]; /* Register value */
363 u8 fan[3]; /* Register value */
364 u8 fan_min[3]; /* Register value */
365 u16 temp[3]; /* Register value */
366 u16 temp_max[3]; /* Register value */
367 u16 temp_max_hyst[3]; /* Register value */
368 u8 fan_div[3]; /* Register encoding, shifted right */
369 u8 vid; /* Register encoding, combined */
370 u32 alarms; /* Register encoding, combined */
371 u32 beep_mask; /* Register encoding, combined */
372 u8 pwm[3]; /* Register value */
373 u8 pwm_enable[3]; /* 1 = manual
374 2 = thermal cruise (also called SmartFan I)
375 3 = fan speed cruise */
376 u8 pwm_freq[3]; /* Register value */
377 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
378 4 = thermistor */
379 u8 vrm;
380 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
381 };
382
383 struct w83627hf_sio_data {
384 enum chips type;
385 };
386
387
388 static int w83627hf_probe(struct platform_device *pdev);
389 static int __devexit w83627hf_remove(struct platform_device *pdev);
390
391 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
392 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
393 static void w83627hf_update_fan_div(struct w83627hf_data *data);
394 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
395 static void w83627hf_init_device(struct platform_device *pdev);
396
397 static struct platform_driver w83627hf_driver = {
398 .driver = {
399 .owner = THIS_MODULE,
400 .name = DRVNAME,
401 },
402 .probe = w83627hf_probe,
403 .remove = __devexit_p(w83627hf_remove),
404 };
405
406 static ssize_t
407 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
408 {
409 int nr = to_sensor_dev_attr(devattr)->index;
410 struct w83627hf_data *data = w83627hf_update_device(dev);
411 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
412 }
413 static ssize_t
414 show_in_min(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_min[nr]));
419 }
420 static ssize_t
421 show_in_max(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_max[nr]));
426 }
427 static ssize_t
428 store_in_min(struct device *dev, struct device_attribute *devattr,
429 const char *buf, size_t count)
430 {
431 int nr = to_sensor_dev_attr(devattr)->index;
432 struct w83627hf_data *data = dev_get_drvdata(dev);
433 long val = simple_strtol(buf, NULL, 10);
434
435 mutex_lock(&data->update_lock);
436 data->in_min[nr] = IN_TO_REG(val);
437 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
438 mutex_unlock(&data->update_lock);
439 return count;
440 }
441 static ssize_t
442 store_in_max(struct device *dev, struct device_attribute *devattr,
443 const char *buf, size_t count)
444 {
445 int nr = to_sensor_dev_attr(devattr)->index;
446 struct w83627hf_data *data = dev_get_drvdata(dev);
447 long val = simple_strtol(buf, NULL, 10);
448
449 mutex_lock(&data->update_lock);
450 data->in_max[nr] = IN_TO_REG(val);
451 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
452 mutex_unlock(&data->update_lock);
453 return count;
454 }
455 #define sysfs_vin_decl(offset) \
456 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
457 show_in_input, NULL, offset); \
458 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \
459 show_in_min, store_in_min, offset); \
460 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \
461 show_in_max, store_in_max, offset);
462
463 sysfs_vin_decl(1);
464 sysfs_vin_decl(2);
465 sysfs_vin_decl(3);
466 sysfs_vin_decl(4);
467 sysfs_vin_decl(5);
468 sysfs_vin_decl(6);
469 sysfs_vin_decl(7);
470 sysfs_vin_decl(8);
471
472 /* use a different set of functions for in0 */
473 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
474 {
475 long in0;
476
477 if ((data->vrm_ovt & 0x01) &&
478 (w83627thf == data->type || w83637hf == data->type
479 || w83687thf == data->type))
480
481 /* use VRM9 calculation */
482 in0 = (long)((reg * 488 + 70000 + 50) / 100);
483 else
484 /* use VRM8 (standard) calculation */
485 in0 = (long)IN_FROM_REG(reg);
486
487 return sprintf(buf,"%ld\n", in0);
488 }
489
490 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
491 {
492 struct w83627hf_data *data = w83627hf_update_device(dev);
493 return show_in_0(data, buf, data->in[0]);
494 }
495
496 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
497 {
498 struct w83627hf_data *data = w83627hf_update_device(dev);
499 return show_in_0(data, buf, data->in_min[0]);
500 }
501
502 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
503 {
504 struct w83627hf_data *data = w83627hf_update_device(dev);
505 return show_in_0(data, buf, data->in_max[0]);
506 }
507
508 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
509 const char *buf, size_t count)
510 {
511 struct w83627hf_data *data = dev_get_drvdata(dev);
512 u32 val;
513
514 val = simple_strtoul(buf, NULL, 10);
515
516 mutex_lock(&data->update_lock);
517
518 if ((data->vrm_ovt & 0x01) &&
519 (w83627thf == data->type || w83637hf == data->type
520 || w83687thf == data->type))
521
522 /* use VRM9 calculation */
523 data->in_min[0] =
524 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
525 255);
526 else
527 /* use VRM8 (standard) calculation */
528 data->in_min[0] = IN_TO_REG(val);
529
530 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
531 mutex_unlock(&data->update_lock);
532 return count;
533 }
534
535 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
536 const char *buf, size_t count)
537 {
538 struct w83627hf_data *data = dev_get_drvdata(dev);
539 u32 val;
540
541 val = simple_strtoul(buf, NULL, 10);
542
543 mutex_lock(&data->update_lock);
544
545 if ((data->vrm_ovt & 0x01) &&
546 (w83627thf == data->type || w83637hf == data->type
547 || w83687thf == data->type))
548
549 /* use VRM9 calculation */
550 data->in_max[0] =
551 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
552 255);
553 else
554 /* use VRM8 (standard) calculation */
555 data->in_max[0] = IN_TO_REG(val);
556
557 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
558 mutex_unlock(&data->update_lock);
559 return count;
560 }
561
562 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
563 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
564 show_regs_in_min0, store_regs_in_min0);
565 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
566 show_regs_in_max0, store_regs_in_max0);
567
568 static ssize_t
569 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
570 {
571 int nr = to_sensor_dev_attr(devattr)->index;
572 struct w83627hf_data *data = w83627hf_update_device(dev);
573 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
574 (long)DIV_FROM_REG(data->fan_div[nr])));
575 }
576 static ssize_t
577 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
578 {
579 int nr = to_sensor_dev_attr(devattr)->index;
580 struct w83627hf_data *data = w83627hf_update_device(dev);
581 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
582 (long)DIV_FROM_REG(data->fan_div[nr])));
583 }
584 static ssize_t
585 store_fan_min(struct device *dev, struct device_attribute *devattr,
586 const char *buf, size_t count)
587 {
588 int nr = to_sensor_dev_attr(devattr)->index;
589 struct w83627hf_data *data = dev_get_drvdata(dev);
590 u32 val = simple_strtoul(buf, NULL, 10);
591
592 mutex_lock(&data->update_lock);
593 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
594 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
595 data->fan_min[nr]);
596
597 mutex_unlock(&data->update_lock);
598 return count;
599 }
600 #define sysfs_fan_decl(offset) \
601 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
602 show_fan_input, NULL, offset - 1); \
603 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
604 show_fan_min, store_fan_min, offset - 1);
605
606 sysfs_fan_decl(1);
607 sysfs_fan_decl(2);
608 sysfs_fan_decl(3);
609
610 static ssize_t
611 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
612 {
613 int nr = to_sensor_dev_attr(devattr)->index;
614 struct w83627hf_data *data = w83627hf_update_device(dev);
615
616 u16 tmp = data->temp[nr];
617 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
618 : (long) TEMP_FROM_REG(tmp));
619 }
620
621 static ssize_t
622 show_temp_max(struct device *dev, struct device_attribute *devattr,
623 char *buf)
624 {
625 int nr = to_sensor_dev_attr(devattr)->index;
626 struct w83627hf_data *data = w83627hf_update_device(dev);
627
628 u16 tmp = data->temp_max[nr];
629 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
630 : (long) TEMP_FROM_REG(tmp));
631 }
632
633 static ssize_t
634 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
635 char *buf)
636 {
637 int nr = to_sensor_dev_attr(devattr)->index;
638 struct w83627hf_data *data = w83627hf_update_device(dev);
639
640 u16 tmp = data->temp_max_hyst[nr];
641 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
642 : (long) TEMP_FROM_REG(tmp));
643 }
644
645 static ssize_t
646 store_temp_max(struct device *dev, struct device_attribute *devattr,
647 const char *buf, size_t count)
648 {
649 int nr = to_sensor_dev_attr(devattr)->index;
650 struct w83627hf_data *data = dev_get_drvdata(dev);
651 long val = simple_strtol(buf, NULL, 10);
652 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
653
654 mutex_lock(&data->update_lock);
655 data->temp_max[nr] = tmp;
656 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
657 mutex_unlock(&data->update_lock);
658 return count;
659 }
660
661 static ssize_t
662 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
663 const char *buf, size_t count)
664 {
665 int nr = to_sensor_dev_attr(devattr)->index;
666 struct w83627hf_data *data = dev_get_drvdata(dev);
667 long val = simple_strtol(buf, NULL, 10);
668 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
669
670 mutex_lock(&data->update_lock);
671 data->temp_max_hyst[nr] = tmp;
672 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
673 mutex_unlock(&data->update_lock);
674 return count;
675 }
676
677 #define sysfs_temp_decl(offset) \
678 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
679 show_temp, NULL, offset - 1); \
680 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \
681 show_temp_max, store_temp_max, offset - 1); \
682 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \
683 show_temp_max_hyst, store_temp_max_hyst, offset - 1);
684
685 sysfs_temp_decl(1);
686 sysfs_temp_decl(2);
687 sysfs_temp_decl(3);
688
689 static ssize_t
690 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
691 {
692 struct w83627hf_data *data = w83627hf_update_device(dev);
693 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
694 }
695 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
696
697 static ssize_t
698 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
699 {
700 struct w83627hf_data *data = dev_get_drvdata(dev);
701 return sprintf(buf, "%ld\n", (long) data->vrm);
702 }
703 static ssize_t
704 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
705 {
706 struct w83627hf_data *data = dev_get_drvdata(dev);
707 u32 val;
708
709 val = simple_strtoul(buf, NULL, 10);
710 data->vrm = val;
711
712 return count;
713 }
714 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
715
716 static ssize_t
717 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
718 {
719 struct w83627hf_data *data = w83627hf_update_device(dev);
720 return sprintf(buf, "%ld\n", (long) data->alarms);
721 }
722 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
723
724 static ssize_t
725 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
726 {
727 struct w83627hf_data *data = w83627hf_update_device(dev);
728 int bitnr = to_sensor_dev_attr(attr)->index;
729 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
730 }
731 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
732 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
733 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
734 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
735 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
736 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
737 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
738 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
739 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
740 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
741 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
742 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
743 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
744 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
745 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
746
747 static ssize_t
748 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
749 {
750 struct w83627hf_data *data = w83627hf_update_device(dev);
751 return sprintf(buf, "%ld\n",
752 (long)BEEP_MASK_FROM_REG(data->beep_mask));
753 }
754
755 static ssize_t
756 store_beep_mask(struct device *dev, struct device_attribute *attr,
757 const char *buf, size_t count)
758 {
759 struct w83627hf_data *data = dev_get_drvdata(dev);
760 unsigned long val;
761
762 val = simple_strtoul(buf, NULL, 10);
763
764 mutex_lock(&data->update_lock);
765
766 /* preserve beep enable */
767 data->beep_mask = (data->beep_mask & 0x8000)
768 | BEEP_MASK_TO_REG(val);
769 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
770 data->beep_mask & 0xff);
771 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
772 ((data->beep_mask) >> 16) & 0xff);
773 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
774 (data->beep_mask >> 8) & 0xff);
775
776 mutex_unlock(&data->update_lock);
777 return count;
778 }
779
780 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
781 show_beep_mask, store_beep_mask);
782
783 static ssize_t
784 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
785 {
786 struct w83627hf_data *data = w83627hf_update_device(dev);
787 int bitnr = to_sensor_dev_attr(attr)->index;
788 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
789 }
790
791 static ssize_t
792 store_beep(struct device *dev, struct device_attribute *attr,
793 const char *buf, size_t count)
794 {
795 struct w83627hf_data *data = dev_get_drvdata(dev);
796 int bitnr = to_sensor_dev_attr(attr)->index;
797 unsigned long bit;
798 u8 reg;
799
800 bit = simple_strtoul(buf, NULL, 10);
801 if (bit & ~1)
802 return -EINVAL;
803
804 mutex_lock(&data->update_lock);
805 if (bit)
806 data->beep_mask |= (1 << bitnr);
807 else
808 data->beep_mask &= ~(1 << bitnr);
809
810 if (bitnr < 8) {
811 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
812 if (bit)
813 reg |= (1 << bitnr);
814 else
815 reg &= ~(1 << bitnr);
816 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
817 } else if (bitnr < 16) {
818 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
819 if (bit)
820 reg |= (1 << (bitnr - 8));
821 else
822 reg &= ~(1 << (bitnr - 8));
823 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
824 } else {
825 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
826 if (bit)
827 reg |= (1 << (bitnr - 16));
828 else
829 reg &= ~(1 << (bitnr - 16));
830 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
831 }
832 mutex_unlock(&data->update_lock);
833
834 return count;
835 }
836
837 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
838 show_beep, store_beep, 0);
839 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
840 show_beep, store_beep, 1);
841 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
842 show_beep, store_beep, 2);
843 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
844 show_beep, store_beep, 3);
845 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
846 show_beep, store_beep, 8);
847 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
848 show_beep, store_beep, 9);
849 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
850 show_beep, store_beep, 10);
851 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
852 show_beep, store_beep, 16);
853 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
854 show_beep, store_beep, 17);
855 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
856 show_beep, store_beep, 6);
857 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
858 show_beep, store_beep, 7);
859 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
860 show_beep, store_beep, 11);
861 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
862 show_beep, store_beep, 4);
863 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
864 show_beep, store_beep, 5);
865 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
866 show_beep, store_beep, 13);
867 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
868 show_beep, store_beep, 15);
869
870 static ssize_t
871 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
872 {
873 int nr = to_sensor_dev_attr(devattr)->index;
874 struct w83627hf_data *data = w83627hf_update_device(dev);
875 return sprintf(buf, "%ld\n",
876 (long) DIV_FROM_REG(data->fan_div[nr]));
877 }
878 /* Note: we save and restore the fan minimum here, because its value is
879 determined in part by the fan divisor. This follows the principle of
880 least surprise; the user doesn't expect the fan minimum to change just
881 because the divisor changed. */
882 static ssize_t
883 store_fan_div(struct device *dev, struct device_attribute *devattr,
884 const char *buf, size_t count)
885 {
886 int nr = to_sensor_dev_attr(devattr)->index;
887 struct w83627hf_data *data = dev_get_drvdata(dev);
888 unsigned long min;
889 u8 reg;
890 unsigned long val = simple_strtoul(buf, NULL, 10);
891
892 mutex_lock(&data->update_lock);
893
894 /* Save fan_min */
895 min = FAN_FROM_REG(data->fan_min[nr],
896 DIV_FROM_REG(data->fan_div[nr]));
897
898 data->fan_div[nr] = DIV_TO_REG(val);
899
900 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
901 & (nr==0 ? 0xcf : 0x3f))
902 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
903 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
904
905 reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
906 & ~(1 << (5 + nr)))
907 | ((data->fan_div[nr] & 0x04) << (3 + nr));
908 w83627hf_write_value(data, W83781D_REG_VBAT, reg);
909
910 /* Restore fan_min */
911 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
912 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
913
914 mutex_unlock(&data->update_lock);
915 return count;
916 }
917
918 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
919 show_fan_div, store_fan_div, 0);
920 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
921 show_fan_div, store_fan_div, 1);
922 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
923 show_fan_div, store_fan_div, 2);
924
925 static ssize_t
926 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
927 {
928 int nr = to_sensor_dev_attr(devattr)->index;
929 struct w83627hf_data *data = w83627hf_update_device(dev);
930 return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
931 }
932
933 static ssize_t
934 store_pwm(struct device *dev, struct device_attribute *devattr,
935 const char *buf, size_t count)
936 {
937 int nr = to_sensor_dev_attr(devattr)->index;
938 struct w83627hf_data *data = dev_get_drvdata(dev);
939 u32 val = simple_strtoul(buf, NULL, 10);
940
941 mutex_lock(&data->update_lock);
942
943 if (data->type == w83627thf) {
944 /* bits 0-3 are reserved in 627THF */
945 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
946 w83627hf_write_value(data,
947 W836X7HF_REG_PWM(data->type, nr),
948 data->pwm[nr] |
949 (w83627hf_read_value(data,
950 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
951 } else {
952 data->pwm[nr] = PWM_TO_REG(val);
953 w83627hf_write_value(data,
954 W836X7HF_REG_PWM(data->type, nr),
955 data->pwm[nr]);
956 }
957
958 mutex_unlock(&data->update_lock);
959 return count;
960 }
961
962 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
963 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
964 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
965
966 static ssize_t
967 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
968 {
969 int nr = to_sensor_dev_attr(devattr)->index;
970 struct w83627hf_data *data = w83627hf_update_device(dev);
971 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
972 }
973
974 static ssize_t
975 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
976 const char *buf, size_t count)
977 {
978 int nr = to_sensor_dev_attr(devattr)->index;
979 struct w83627hf_data *data = dev_get_drvdata(dev);
980 unsigned long val = simple_strtoul(buf, NULL, 10);
981 u8 reg;
982
983 if (!val || (val > 3)) /* modes 1, 2 and 3 are supported */
984 return -EINVAL;
985 mutex_lock(&data->update_lock);
986 data->pwm_enable[nr] = val;
987 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
988 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
989 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
990 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
991 mutex_unlock(&data->update_lock);
992 return count;
993 }
994
995 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
996 store_pwm_enable, 0);
997 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
998 store_pwm_enable, 1);
999 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1000 store_pwm_enable, 2);
1001
1002 static ssize_t
1003 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1004 {
1005 int nr = to_sensor_dev_attr(devattr)->index;
1006 struct w83627hf_data *data = w83627hf_update_device(dev);
1007 if (data->type == w83627hf)
1008 return sprintf(buf, "%ld\n",
1009 pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1010 else
1011 return sprintf(buf, "%ld\n",
1012 pwm_freq_from_reg(data->pwm_freq[nr]));
1013 }
1014
1015 static ssize_t
1016 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1017 const char *buf, size_t count)
1018 {
1019 int nr = to_sensor_dev_attr(devattr)->index;
1020 struct w83627hf_data *data = dev_get_drvdata(dev);
1021 static const u8 mask[]={0xF8, 0x8F};
1022 u32 val;
1023
1024 val = simple_strtoul(buf, NULL, 10);
1025
1026 mutex_lock(&data->update_lock);
1027
1028 if (data->type == w83627hf) {
1029 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1030 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1031 (data->pwm_freq[nr] << (nr*4)) |
1032 (w83627hf_read_value(data,
1033 W83627HF_REG_PWM_FREQ) & mask[nr]));
1034 } else {
1035 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1036 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1037 data->pwm_freq[nr]);
1038 }
1039
1040 mutex_unlock(&data->update_lock);
1041 return count;
1042 }
1043
1044 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1045 show_pwm_freq, store_pwm_freq, 0);
1046 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1047 show_pwm_freq, store_pwm_freq, 1);
1048 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1049 show_pwm_freq, store_pwm_freq, 2);
1050
1051 static ssize_t
1052 show_temp_type(struct device *dev, struct device_attribute *devattr,
1053 char *buf)
1054 {
1055 int nr = to_sensor_dev_attr(devattr)->index;
1056 struct w83627hf_data *data = w83627hf_update_device(dev);
1057 return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1058 }
1059
1060 static ssize_t
1061 store_temp_type(struct device *dev, struct device_attribute *devattr,
1062 const char *buf, size_t count)
1063 {
1064 int nr = to_sensor_dev_attr(devattr)->index;
1065 struct w83627hf_data *data = dev_get_drvdata(dev);
1066 u32 val, tmp;
1067
1068 val = simple_strtoul(buf, NULL, 10);
1069
1070 mutex_lock(&data->update_lock);
1071
1072 switch (val) {
1073 case 1: /* PII/Celeron diode */
1074 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1075 w83627hf_write_value(data, W83781D_REG_SCFG1,
1076 tmp | BIT_SCFG1[nr]);
1077 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1078 w83627hf_write_value(data, W83781D_REG_SCFG2,
1079 tmp | BIT_SCFG2[nr]);
1080 data->sens[nr] = val;
1081 break;
1082 case 2: /* 3904 */
1083 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1084 w83627hf_write_value(data, W83781D_REG_SCFG1,
1085 tmp | BIT_SCFG1[nr]);
1086 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1087 w83627hf_write_value(data, W83781D_REG_SCFG2,
1088 tmp & ~BIT_SCFG2[nr]);
1089 data->sens[nr] = val;
1090 break;
1091 case W83781D_DEFAULT_BETA:
1092 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1093 "instead\n", W83781D_DEFAULT_BETA);
1094 /* fall through */
1095 case 4: /* thermistor */
1096 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1097 w83627hf_write_value(data, W83781D_REG_SCFG1,
1098 tmp & ~BIT_SCFG1[nr]);
1099 data->sens[nr] = val;
1100 break;
1101 default:
1102 dev_err(dev,
1103 "Invalid sensor type %ld; must be 1, 2, or 4\n",
1104 (long) val);
1105 break;
1106 }
1107
1108 mutex_unlock(&data->update_lock);
1109 return count;
1110 }
1111
1112 #define sysfs_temp_type(offset) \
1113 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1114 show_temp_type, store_temp_type, offset - 1);
1115
1116 sysfs_temp_type(1);
1117 sysfs_temp_type(2);
1118 sysfs_temp_type(3);
1119
1120 static ssize_t
1121 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1122 {
1123 struct w83627hf_data *data = dev_get_drvdata(dev);
1124
1125 return sprintf(buf, "%s\n", data->name);
1126 }
1127 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1128
1129 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1130 struct w83627hf_sio_data *sio_data)
1131 {
1132 int err = -ENODEV;
1133 u16 val;
1134
1135 static const __initdata char *names[] = {
1136 "W83627HF",
1137 "W83627THF",
1138 "W83697HF",
1139 "W83637HF",
1140 "W83687THF",
1141 };
1142
1143 REG = sioaddr;
1144 VAL = sioaddr + 1;
1145
1146 superio_enter();
1147 val = force_id ? force_id : superio_inb(DEVID);
1148 switch (val) {
1149 case W627_DEVID:
1150 sio_data->type = w83627hf;
1151 break;
1152 case W627THF_DEVID:
1153 sio_data->type = w83627thf;
1154 break;
1155 case W697_DEVID:
1156 sio_data->type = w83697hf;
1157 break;
1158 case W637_DEVID:
1159 sio_data->type = w83637hf;
1160 break;
1161 case W687THF_DEVID:
1162 sio_data->type = w83687thf;
1163 break;
1164 case 0xff: /* No device at all */
1165 goto exit;
1166 default:
1167 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1168 goto exit;
1169 }
1170
1171 superio_select(W83627HF_LD_HWM);
1172 force_addr &= WINB_ALIGNMENT;
1173 if (force_addr) {
1174 printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n",
1175 force_addr);
1176 superio_outb(WINB_BASE_REG, force_addr >> 8);
1177 superio_outb(WINB_BASE_REG + 1, force_addr & 0xff);
1178 }
1179 val = (superio_inb(WINB_BASE_REG) << 8) |
1180 superio_inb(WINB_BASE_REG + 1);
1181 *addr = val & WINB_ALIGNMENT;
1182 if (*addr == 0) {
1183 printk(KERN_WARNING DRVNAME ": Base address not set, "
1184 "skipping\n");
1185 goto exit;
1186 }
1187
1188 val = superio_inb(WINB_ACT_REG);
1189 if (!(val & 0x01)) {
1190 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n");
1191 superio_outb(WINB_ACT_REG, val | 0x01);
1192 }
1193
1194 err = 0;
1195 pr_info(DRVNAME ": Found %s chip at %#x\n",
1196 names[sio_data->type], *addr);
1197
1198 exit:
1199 superio_exit();
1200 return err;
1201 }
1202
1203 #define VIN_UNIT_ATTRS(_X_) \
1204 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
1205 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
1206 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
1207 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
1208 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1209
1210 #define FAN_UNIT_ATTRS(_X_) \
1211 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
1212 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
1213 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
1214 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
1215 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1216
1217 #define TEMP_UNIT_ATTRS(_X_) \
1218 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
1219 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
1220 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
1221 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
1222 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
1223 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1224
1225 static struct attribute *w83627hf_attributes[] = {
1226 &dev_attr_in0_input.attr,
1227 &dev_attr_in0_min.attr,
1228 &dev_attr_in0_max.attr,
1229 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1230 &sensor_dev_attr_in0_beep.dev_attr.attr,
1231 VIN_UNIT_ATTRS(2),
1232 VIN_UNIT_ATTRS(3),
1233 VIN_UNIT_ATTRS(4),
1234 VIN_UNIT_ATTRS(7),
1235 VIN_UNIT_ATTRS(8),
1236
1237 FAN_UNIT_ATTRS(1),
1238 FAN_UNIT_ATTRS(2),
1239
1240 TEMP_UNIT_ATTRS(1),
1241 TEMP_UNIT_ATTRS(2),
1242
1243 &dev_attr_alarms.attr,
1244 &sensor_dev_attr_beep_enable.dev_attr.attr,
1245 &dev_attr_beep_mask.attr,
1246
1247 &sensor_dev_attr_pwm1.dev_attr.attr,
1248 &sensor_dev_attr_pwm2.dev_attr.attr,
1249 &dev_attr_name.attr,
1250 NULL
1251 };
1252
1253 static const struct attribute_group w83627hf_group = {
1254 .attrs = w83627hf_attributes,
1255 };
1256
1257 static struct attribute *w83627hf_attributes_opt[] = {
1258 VIN_UNIT_ATTRS(1),
1259 VIN_UNIT_ATTRS(5),
1260 VIN_UNIT_ATTRS(6),
1261
1262 FAN_UNIT_ATTRS(3),
1263 TEMP_UNIT_ATTRS(3),
1264 &sensor_dev_attr_pwm3.dev_attr.attr,
1265
1266 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1267 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1268 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1269
1270 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1271 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1272 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1273
1274 NULL
1275 };
1276
1277 static const struct attribute_group w83627hf_group_opt = {
1278 .attrs = w83627hf_attributes_opt,
1279 };
1280
1281 static int __devinit w83627hf_probe(struct platform_device *pdev)
1282 {
1283 struct device *dev = &pdev->dev;
1284 struct w83627hf_sio_data *sio_data = dev->platform_data;
1285 struct w83627hf_data *data;
1286 struct resource *res;
1287 int err, i;
1288
1289 static const char *names[] = {
1290 "w83627hf",
1291 "w83627thf",
1292 "w83697hf",
1293 "w83637hf",
1294 "w83687thf",
1295 };
1296
1297 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1298 if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1299 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1300 (unsigned long)res->start,
1301 (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1302 err = -EBUSY;
1303 goto ERROR0;
1304 }
1305
1306 if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1307 err = -ENOMEM;
1308 goto ERROR1;
1309 }
1310 data->addr = res->start;
1311 data->type = sio_data->type;
1312 data->name = names[sio_data->type];
1313 mutex_init(&data->lock);
1314 mutex_init(&data->update_lock);
1315 platform_set_drvdata(pdev, data);
1316
1317 /* Initialize the chip */
1318 w83627hf_init_device(pdev);
1319
1320 /* A few vars need to be filled upon startup */
1321 for (i = 0; i <= 2; i++)
1322 data->fan_min[i] = w83627hf_read_value(
1323 data, W83627HF_REG_FAN_MIN(i));
1324 w83627hf_update_fan_div(data);
1325
1326 /* Register common device attributes */
1327 if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1328 goto ERROR3;
1329
1330 /* Register chip-specific device attributes */
1331 if (data->type == w83627hf || data->type == w83697hf)
1332 if ((err = device_create_file(dev,
1333 &sensor_dev_attr_in5_input.dev_attr))
1334 || (err = device_create_file(dev,
1335 &sensor_dev_attr_in5_min.dev_attr))
1336 || (err = device_create_file(dev,
1337 &sensor_dev_attr_in5_max.dev_attr))
1338 || (err = device_create_file(dev,
1339 &sensor_dev_attr_in5_alarm.dev_attr))
1340 || (err = device_create_file(dev,
1341 &sensor_dev_attr_in5_beep.dev_attr))
1342 || (err = device_create_file(dev,
1343 &sensor_dev_attr_in6_input.dev_attr))
1344 || (err = device_create_file(dev,
1345 &sensor_dev_attr_in6_min.dev_attr))
1346 || (err = device_create_file(dev,
1347 &sensor_dev_attr_in6_max.dev_attr))
1348 || (err = device_create_file(dev,
1349 &sensor_dev_attr_in6_alarm.dev_attr))
1350 || (err = device_create_file(dev,
1351 &sensor_dev_attr_in6_beep.dev_attr))
1352 || (err = device_create_file(dev,
1353 &sensor_dev_attr_pwm1_freq.dev_attr))
1354 || (err = device_create_file(dev,
1355 &sensor_dev_attr_pwm2_freq.dev_attr)))
1356 goto ERROR4;
1357
1358 if (data->type != w83697hf)
1359 if ((err = device_create_file(dev,
1360 &sensor_dev_attr_in1_input.dev_attr))
1361 || (err = device_create_file(dev,
1362 &sensor_dev_attr_in1_min.dev_attr))
1363 || (err = device_create_file(dev,
1364 &sensor_dev_attr_in1_max.dev_attr))
1365 || (err = device_create_file(dev,
1366 &sensor_dev_attr_in1_alarm.dev_attr))
1367 || (err = device_create_file(dev,
1368 &sensor_dev_attr_in1_beep.dev_attr))
1369 || (err = device_create_file(dev,
1370 &sensor_dev_attr_fan3_input.dev_attr))
1371 || (err = device_create_file(dev,
1372 &sensor_dev_attr_fan3_min.dev_attr))
1373 || (err = device_create_file(dev,
1374 &sensor_dev_attr_fan3_div.dev_attr))
1375 || (err = device_create_file(dev,
1376 &sensor_dev_attr_fan3_alarm.dev_attr))
1377 || (err = device_create_file(dev,
1378 &sensor_dev_attr_fan3_beep.dev_attr))
1379 || (err = device_create_file(dev,
1380 &sensor_dev_attr_temp3_input.dev_attr))
1381 || (err = device_create_file(dev,
1382 &sensor_dev_attr_temp3_max.dev_attr))
1383 || (err = device_create_file(dev,
1384 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1385 || (err = device_create_file(dev,
1386 &sensor_dev_attr_temp3_alarm.dev_attr))
1387 || (err = device_create_file(dev,
1388 &sensor_dev_attr_temp3_beep.dev_attr))
1389 || (err = device_create_file(dev,
1390 &sensor_dev_attr_temp3_type.dev_attr)))
1391 goto ERROR4;
1392
1393 if (data->type != w83697hf && data->vid != 0xff) {
1394 /* Convert VID to voltage based on VRM */
1395 data->vrm = vid_which_vrm();
1396
1397 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1398 || (err = device_create_file(dev, &dev_attr_vrm)))
1399 goto ERROR4;
1400 }
1401
1402 if (data->type == w83627thf || data->type == w83637hf
1403 || data->type == w83687thf)
1404 if ((err = device_create_file(dev,
1405 &sensor_dev_attr_pwm3.dev_attr)))
1406 goto ERROR4;
1407
1408 if (data->type == w83637hf || data->type == w83687thf)
1409 if ((err = device_create_file(dev,
1410 &sensor_dev_attr_pwm1_freq.dev_attr))
1411 || (err = device_create_file(dev,
1412 &sensor_dev_attr_pwm2_freq.dev_attr))
1413 || (err = device_create_file(dev,
1414 &sensor_dev_attr_pwm3_freq.dev_attr)))
1415 goto ERROR4;
1416
1417 if (data->type != w83627hf)
1418 if ((err = device_create_file(dev,
1419 &sensor_dev_attr_pwm1_enable.dev_attr))
1420 || (err = device_create_file(dev,
1421 &sensor_dev_attr_pwm2_enable.dev_attr)))
1422 goto ERROR4;
1423
1424 if (data->type == w83627thf || data->type == w83637hf
1425 || data->type == w83687thf)
1426 if ((err = device_create_file(dev,
1427 &sensor_dev_attr_pwm3_enable.dev_attr)))
1428 goto ERROR4;
1429
1430 data->hwmon_dev = hwmon_device_register(dev);
1431 if (IS_ERR(data->hwmon_dev)) {
1432 err = PTR_ERR(data->hwmon_dev);
1433 goto ERROR4;
1434 }
1435
1436 return 0;
1437
1438 ERROR4:
1439 sysfs_remove_group(&dev->kobj, &w83627hf_group);
1440 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1441 ERROR3:
1442 platform_set_drvdata(pdev, NULL);
1443 kfree(data);
1444 ERROR1:
1445 release_region(res->start, WINB_REGION_SIZE);
1446 ERROR0:
1447 return err;
1448 }
1449
1450 static int __devexit w83627hf_remove(struct platform_device *pdev)
1451 {
1452 struct w83627hf_data *data = platform_get_drvdata(pdev);
1453 struct resource *res;
1454
1455 hwmon_device_unregister(data->hwmon_dev);
1456
1457 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1458 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1459 platform_set_drvdata(pdev, NULL);
1460 kfree(data);
1461
1462 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1463 release_region(res->start, WINB_REGION_SIZE);
1464
1465 return 0;
1466 }
1467
1468
1469 /* Registers 0x50-0x5f are banked */
1470 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1471 {
1472 if ((reg & 0x00f0) == 0x50) {
1473 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1474 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1475 }
1476 }
1477
1478 /* Not strictly necessary, but play it safe for now */
1479 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1480 {
1481 if (reg & 0xff00) {
1482 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1483 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1484 }
1485 }
1486
1487 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1488 {
1489 int res, word_sized;
1490
1491 mutex_lock(&data->lock);
1492 word_sized = (((reg & 0xff00) == 0x100)
1493 || ((reg & 0xff00) == 0x200))
1494 && (((reg & 0x00ff) == 0x50)
1495 || ((reg & 0x00ff) == 0x53)
1496 || ((reg & 0x00ff) == 0x55));
1497 w83627hf_set_bank(data, reg);
1498 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1499 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1500 if (word_sized) {
1501 outb_p((reg & 0xff) + 1,
1502 data->addr + W83781D_ADDR_REG_OFFSET);
1503 res =
1504 (res << 8) + inb_p(data->addr +
1505 W83781D_DATA_REG_OFFSET);
1506 }
1507 w83627hf_reset_bank(data, reg);
1508 mutex_unlock(&data->lock);
1509 return res;
1510 }
1511
1512 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1513 {
1514 int res = 0xff, sel;
1515
1516 superio_enter();
1517 superio_select(W83627HF_LD_GPIO5);
1518
1519 /* Make sure these GPIO pins are enabled */
1520 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1521 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1522 goto exit;
1523 }
1524
1525 /* Make sure the pins are configured for input
1526 There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1527 sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
1528 if ((sel & 0x1f) != 0x1f) {
1529 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1530 "function\n");
1531 goto exit;
1532 }
1533
1534 dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1535 res = superio_inb(W83627THF_GPIO5_DR) & sel;
1536
1537 exit:
1538 superio_exit();
1539 return res;
1540 }
1541
1542 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1543 {
1544 int res = 0xff;
1545
1546 superio_enter();
1547 superio_select(W83627HF_LD_HWM);
1548
1549 /* Make sure these GPIO pins are enabled */
1550 if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
1551 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1552 goto exit;
1553 }
1554
1555 /* Make sure the pins are configured for input */
1556 if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
1557 dev_dbg(&pdev->dev, "VID configured as output, "
1558 "no VID function\n");
1559 goto exit;
1560 }
1561
1562 res = superio_inb(W83687THF_VID_DATA) & 0x3f;
1563
1564 exit:
1565 superio_exit();
1566 return res;
1567 }
1568
1569 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1570 {
1571 int word_sized;
1572
1573 mutex_lock(&data->lock);
1574 word_sized = (((reg & 0xff00) == 0x100)
1575 || ((reg & 0xff00) == 0x200))
1576 && (((reg & 0x00ff) == 0x53)
1577 || ((reg & 0x00ff) == 0x55));
1578 w83627hf_set_bank(data, reg);
1579 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1580 if (word_sized) {
1581 outb_p(value >> 8,
1582 data->addr + W83781D_DATA_REG_OFFSET);
1583 outb_p((reg & 0xff) + 1,
1584 data->addr + W83781D_ADDR_REG_OFFSET);
1585 }
1586 outb_p(value & 0xff,
1587 data->addr + W83781D_DATA_REG_OFFSET);
1588 w83627hf_reset_bank(data, reg);
1589 mutex_unlock(&data->lock);
1590 return 0;
1591 }
1592
1593 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1594 {
1595 struct w83627hf_data *data = platform_get_drvdata(pdev);
1596 int i;
1597 enum chips type = data->type;
1598 u8 tmp;
1599
1600 /* Minimize conflicts with other winbond i2c-only clients... */
1601 /* disable i2c subclients... how to disable main i2c client?? */
1602 /* force i2c address to relatively uncommon address */
1603 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1604 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1605
1606 /* Read VID only once */
1607 if (type == w83627hf || type == w83637hf) {
1608 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1609 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1610 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1611 } else if (type == w83627thf) {
1612 data->vid = w83627thf_read_gpio5(pdev);
1613 } else if (type == w83687thf) {
1614 data->vid = w83687thf_read_vid(pdev);
1615 }
1616
1617 /* Read VRM & OVT Config only once */
1618 if (type == w83627thf || type == w83637hf || type == w83687thf) {
1619 data->vrm_ovt =
1620 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1621 }
1622
1623 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1624 for (i = 1; i <= 3; i++) {
1625 if (!(tmp & BIT_SCFG1[i - 1])) {
1626 data->sens[i - 1] = 4;
1627 } else {
1628 if (w83627hf_read_value
1629 (data,
1630 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1631 data->sens[i - 1] = 1;
1632 else
1633 data->sens[i - 1] = 2;
1634 }
1635 if ((type == w83697hf) && (i == 2))
1636 break;
1637 }
1638
1639 if(init) {
1640 /* Enable temp2 */
1641 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1642 if (tmp & 0x01) {
1643 dev_warn(&pdev->dev, "Enabling temp2, readings "
1644 "might not make sense\n");
1645 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1646 tmp & 0xfe);
1647 }
1648
1649 /* Enable temp3 */
1650 if (type != w83697hf) {
1651 tmp = w83627hf_read_value(data,
1652 W83627HF_REG_TEMP3_CONFIG);
1653 if (tmp & 0x01) {
1654 dev_warn(&pdev->dev, "Enabling temp3, "
1655 "readings might not make sense\n");
1656 w83627hf_write_value(data,
1657 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1658 }
1659 }
1660 }
1661
1662 /* Start monitoring */
1663 w83627hf_write_value(data, W83781D_REG_CONFIG,
1664 (w83627hf_read_value(data,
1665 W83781D_REG_CONFIG) & 0xf7)
1666 | 0x01);
1667
1668 /* Enable VBAT monitoring if needed */
1669 tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1670 if (!(tmp & 0x01))
1671 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1672 }
1673
1674 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1675 {
1676 int reg;
1677
1678 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1679 data->fan_div[0] = (reg >> 4) & 0x03;
1680 data->fan_div[1] = (reg >> 6) & 0x03;
1681 if (data->type != w83697hf) {
1682 data->fan_div[2] = (w83627hf_read_value(data,
1683 W83781D_REG_PIN) >> 6) & 0x03;
1684 }
1685 reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1686 data->fan_div[0] |= (reg >> 3) & 0x04;
1687 data->fan_div[1] |= (reg >> 4) & 0x04;
1688 if (data->type != w83697hf)
1689 data->fan_div[2] |= (reg >> 5) & 0x04;
1690 }
1691
1692 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1693 {
1694 struct w83627hf_data *data = dev_get_drvdata(dev);
1695 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1696 int num_pwms = (data->type == w83697hf) ? 2 : 3;
1697
1698 mutex_lock(&data->update_lock);
1699
1700 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1701 || !data->valid) {
1702 for (i = 0; i <= 8; i++) {
1703 /* skip missing sensors */
1704 if (((data->type == w83697hf) && (i == 1)) ||
1705 ((data->type != w83627hf && data->type != w83697hf)
1706 && (i == 5 || i == 6)))
1707 continue;
1708 data->in[i] =
1709 w83627hf_read_value(data, W83781D_REG_IN(i));
1710 data->in_min[i] =
1711 w83627hf_read_value(data,
1712 W83781D_REG_IN_MIN(i));
1713 data->in_max[i] =
1714 w83627hf_read_value(data,
1715 W83781D_REG_IN_MAX(i));
1716 }
1717 for (i = 0; i <= 2; i++) {
1718 data->fan[i] =
1719 w83627hf_read_value(data, W83627HF_REG_FAN(i));
1720 data->fan_min[i] =
1721 w83627hf_read_value(data,
1722 W83627HF_REG_FAN_MIN(i));
1723 }
1724 for (i = 0; i <= 2; i++) {
1725 u8 tmp = w83627hf_read_value(data,
1726 W836X7HF_REG_PWM(data->type, i));
1727 /* bits 0-3 are reserved in 627THF */
1728 if (data->type == w83627thf)
1729 tmp &= 0xf0;
1730 data->pwm[i] = tmp;
1731 if (i == 1 &&
1732 (data->type == w83627hf || data->type == w83697hf))
1733 break;
1734 }
1735 if (data->type == w83627hf) {
1736 u8 tmp = w83627hf_read_value(data,
1737 W83627HF_REG_PWM_FREQ);
1738 data->pwm_freq[0] = tmp & 0x07;
1739 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1740 } else if (data->type != w83627thf) {
1741 for (i = 1; i <= 3; i++) {
1742 data->pwm_freq[i - 1] =
1743 w83627hf_read_value(data,
1744 W83637HF_REG_PWM_FREQ[i - 1]);
1745 if (i == 2 && (data->type == w83697hf))
1746 break;
1747 }
1748 }
1749 if (data->type != w83627hf) {
1750 for (i = 0; i < num_pwms; i++) {
1751 u8 tmp = w83627hf_read_value(data,
1752 W83627THF_REG_PWM_ENABLE[i]);
1753 data->pwm_enable[i] =
1754 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1755 & 0x03) + 1;
1756 }
1757 }
1758 for (i = 0; i < num_temps; i++) {
1759 data->temp[i] = w83627hf_read_value(
1760 data, w83627hf_reg_temp[i]);
1761 data->temp_max[i] = w83627hf_read_value(
1762 data, w83627hf_reg_temp_over[i]);
1763 data->temp_max_hyst[i] = w83627hf_read_value(
1764 data, w83627hf_reg_temp_hyst[i]);
1765 }
1766
1767 w83627hf_update_fan_div(data);
1768
1769 data->alarms =
1770 w83627hf_read_value(data, W83781D_REG_ALARM1) |
1771 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1772 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1773 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1774 data->beep_mask = (i << 8) |
1775 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1776 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1777 data->last_updated = jiffies;
1778 data->valid = 1;
1779 }
1780
1781 mutex_unlock(&data->update_lock);
1782
1783 return data;
1784 }
1785
1786 static int __init w83627hf_device_add(unsigned short address,
1787 const struct w83627hf_sio_data *sio_data)
1788 {
1789 struct resource res = {
1790 .start = address + WINB_REGION_OFFSET,
1791 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1792 .name = DRVNAME,
1793 .flags = IORESOURCE_IO,
1794 };
1795 int err;
1796
1797 err = acpi_check_resource_conflict(&res);
1798 if (err)
1799 goto exit;
1800
1801 pdev = platform_device_alloc(DRVNAME, address);
1802 if (!pdev) {
1803 err = -ENOMEM;
1804 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1805 goto exit;
1806 }
1807
1808 err = platform_device_add_resources(pdev, &res, 1);
1809 if (err) {
1810 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1811 "(%d)\n", err);
1812 goto exit_device_put;
1813 }
1814
1815 err = platform_device_add_data(pdev, sio_data,
1816 sizeof(struct w83627hf_sio_data));
1817 if (err) {
1818 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1819 goto exit_device_put;
1820 }
1821
1822 err = platform_device_add(pdev);
1823 if (err) {
1824 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1825 err);
1826 goto exit_device_put;
1827 }
1828
1829 return 0;
1830
1831 exit_device_put:
1832 platform_device_put(pdev);
1833 exit:
1834 return err;
1835 }
1836
1837 static int __init sensors_w83627hf_init(void)
1838 {
1839 int err;
1840 unsigned short address;
1841 struct w83627hf_sio_data sio_data;
1842
1843 if (w83627hf_find(0x2e, &address, &sio_data)
1844 && w83627hf_find(0x4e, &address, &sio_data))
1845 return -ENODEV;
1846
1847 err = platform_driver_register(&w83627hf_driver);
1848 if (err)
1849 goto exit;
1850
1851 /* Sets global pdev as a side effect */
1852 err = w83627hf_device_add(address, &sio_data);
1853 if (err)
1854 goto exit_driver;
1855
1856 return 0;
1857
1858 exit_driver:
1859 platform_driver_unregister(&w83627hf_driver);
1860 exit:
1861 return err;
1862 }
1863
1864 static void __exit sensors_w83627hf_exit(void)
1865 {
1866 platform_device_unregister(pdev);
1867 platform_driver_unregister(&w83627hf_driver);
1868 }
1869
1870 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1871 "Philip Edelbrock <phil@netroedge.com>, "
1872 "and Mark Studebaker <mdsxyz123@yahoo.com>");
1873 MODULE_DESCRIPTION("W83627HF driver");
1874 MODULE_LICENSE("GPL");
1875
1876 module_init(sensors_w83627hf_init);
1877 module_exit(sensors_w83627hf_exit);
Support for the Chinese Samsung S3C2440 based development boards