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serial: pxa: fine-tune clk useage
[linux/fpc-iii.git] / drivers / hwmon / w83627hf.c
blob81f486520cea604e928535c04e84ec5d99c6831b
1 /*
2 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
5 * Philip Edelbrock <phil@netroedge.com>,
6 * and Mark Studebaker <mdsxyz123@yahoo.com>
7 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
8 * Copyright (c) 2007 - 1012 Jean Delvare <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 #ifdef CONFIG_PM
394 /* Remember extra register values over suspend/resume */
395 u8 scfg1;
396 u8 scfg2;
397 #endif
398 };
399
400
401 static int w83627hf_probe(struct platform_device *pdev);
402 static int w83627hf_remove(struct platform_device *pdev);
403
404 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
405 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
406 static void w83627hf_update_fan_div(struct w83627hf_data *data);
407 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
408 static void w83627hf_init_device(struct platform_device *pdev);
409
410 #ifdef CONFIG_PM
411 static int w83627hf_suspend(struct device *dev)
412 {
413 struct w83627hf_data *data = w83627hf_update_device(dev);
414
415 mutex_lock(&data->update_lock);
416 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
417 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
418 mutex_unlock(&data->update_lock);
419
420 return 0;
421 }
422
423 static int w83627hf_resume(struct device *dev)
424 {
425 struct w83627hf_data *data = dev_get_drvdata(dev);
426 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
427
428 /* Restore limits */
429 mutex_lock(&data->update_lock);
430 for (i = 0; i <= 8; i++) {
431 /* skip missing sensors */
432 if (((data->type == w83697hf) && (i == 1)) ||
433 ((data->type != w83627hf && data->type != w83697hf)
434 && (i == 5 || i == 6)))
435 continue;
436 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
437 data->in_max[i]);
438 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
439 data->in_min[i]);
440 }
441 for (i = 0; i <= 2; i++)
442 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
443 data->fan_min[i]);
444 for (i = 0; i < num_temps; i++) {
445 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
446 data->temp_max[i]);
447 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
448 data->temp_max_hyst[i]);
449 }
450
451 /* Fixup BIOS bugs */
452 if (data->type == w83627thf || data->type == w83637hf ||
453 data->type == w83687thf)
454 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
455 data->vrm_ovt);
456 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
457 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
458
459 /* Force re-reading all values */
460 data->valid = 0;
461 mutex_unlock(&data->update_lock);
462
463 return 0;
464 }
465
466 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
467 .suspend = w83627hf_suspend,
468 .resume = w83627hf_resume,
469 };
470
471 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops)
472 #else
473 #define W83627HF_DEV_PM_OPS NULL
474 #endif /* CONFIG_PM */
475
476 static struct platform_driver w83627hf_driver = {
477 .driver = {
478 .owner = THIS_MODULE,
479 .name = DRVNAME,
480 .pm = W83627HF_DEV_PM_OPS,
481 },
482 .probe = w83627hf_probe,
483 .remove = w83627hf_remove,
484 };
485
486 static ssize_t
487 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
488 {
489 int nr = to_sensor_dev_attr(devattr)->index;
490 struct w83627hf_data *data = w83627hf_update_device(dev);
491 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
492 }
493 static ssize_t
494 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
495 {
496 int nr = to_sensor_dev_attr(devattr)->index;
497 struct w83627hf_data *data = w83627hf_update_device(dev);
498 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
499 }
500 static ssize_t
501 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
502 {
503 int nr = to_sensor_dev_attr(devattr)->index;
504 struct w83627hf_data *data = w83627hf_update_device(dev);
505 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
506 }
507 static ssize_t
508 store_in_min(struct device *dev, struct device_attribute *devattr,
509 const char *buf, size_t count)
510 {
511 int nr = to_sensor_dev_attr(devattr)->index;
512 struct w83627hf_data *data = dev_get_drvdata(dev);
513 long val;
514 int err;
515
516 err = kstrtol(buf, 10, &val);
517 if (err)
518 return err;
519
520 mutex_lock(&data->update_lock);
521 data->in_min[nr] = IN_TO_REG(val);
522 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
523 mutex_unlock(&data->update_lock);
524 return count;
525 }
526 static ssize_t
527 store_in_max(struct device *dev, struct device_attribute *devattr,
528 const char *buf, size_t count)
529 {
530 int nr = to_sensor_dev_attr(devattr)->index;
531 struct w83627hf_data *data = dev_get_drvdata(dev);
532 long val;
533 int err;
534
535 err = kstrtol(buf, 10, &val);
536 if (err)
537 return err;
538
539 mutex_lock(&data->update_lock);
540 data->in_max[nr] = IN_TO_REG(val);
541 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
542 mutex_unlock(&data->update_lock);
543 return count;
544 }
545 #define sysfs_vin_decl(offset) \
546 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
547 show_in_input, NULL, offset); \
548 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \
549 show_in_min, store_in_min, offset); \
550 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \
551 show_in_max, store_in_max, offset);
552
553 sysfs_vin_decl(1);
554 sysfs_vin_decl(2);
555 sysfs_vin_decl(3);
556 sysfs_vin_decl(4);
557 sysfs_vin_decl(5);
558 sysfs_vin_decl(6);
559 sysfs_vin_decl(7);
560 sysfs_vin_decl(8);
561
562 /* use a different set of functions for in0 */
563 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
564 {
565 long in0;
566
567 if ((data->vrm_ovt & 0x01) &&
568 (w83627thf == data->type || w83637hf == data->type
569 || w83687thf == data->type))
570
571 /* use VRM9 calculation */
572 in0 = (long)((reg * 488 + 70000 + 50) / 100);
573 else
574 /* use VRM8 (standard) calculation */
575 in0 = (long)IN_FROM_REG(reg);
576
577 return sprintf(buf,"%ld\n", in0);
578 }
579
580 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
581 {
582 struct w83627hf_data *data = w83627hf_update_device(dev);
583 return show_in_0(data, buf, data->in[0]);
584 }
585
586 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
587 {
588 struct w83627hf_data *data = w83627hf_update_device(dev);
589 return show_in_0(data, buf, data->in_min[0]);
590 }
591
592 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
593 {
594 struct w83627hf_data *data = w83627hf_update_device(dev);
595 return show_in_0(data, buf, data->in_max[0]);
596 }
597
598 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
599 const char *buf, size_t count)
600 {
601 struct w83627hf_data *data = dev_get_drvdata(dev);
602 unsigned long val;
603 int err;
604
605 err = kstrtoul(buf, 10, &val);
606 if (err)
607 return err;
608
609 mutex_lock(&data->update_lock);
610
611 if ((data->vrm_ovt & 0x01) &&
612 (w83627thf == data->type || w83637hf == data->type
613 || w83687thf == data->type))
614
615 /* use VRM9 calculation */
616 data->in_min[0] =
617 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
618 255);
619 else
620 /* use VRM8 (standard) calculation */
621 data->in_min[0] = IN_TO_REG(val);
622
623 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
624 mutex_unlock(&data->update_lock);
625 return count;
626 }
627
628 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
629 const char *buf, size_t count)
630 {
631 struct w83627hf_data *data = dev_get_drvdata(dev);
632 unsigned long val;
633 int err;
634
635 err = kstrtoul(buf, 10, &val);
636 if (err)
637 return err;
638
639 mutex_lock(&data->update_lock);
640
641 if ((data->vrm_ovt & 0x01) &&
642 (w83627thf == data->type || w83637hf == data->type
643 || w83687thf == data->type))
644
645 /* use VRM9 calculation */
646 data->in_max[0] =
647 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
648 255);
649 else
650 /* use VRM8 (standard) calculation */
651 data->in_max[0] = IN_TO_REG(val);
652
653 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
654 mutex_unlock(&data->update_lock);
655 return count;
656 }
657
658 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
659 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
660 show_regs_in_min0, store_regs_in_min0);
661 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
662 show_regs_in_max0, store_regs_in_max0);
663
664 static ssize_t
665 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
666 {
667 int nr = to_sensor_dev_attr(devattr)->index;
668 struct w83627hf_data *data = w83627hf_update_device(dev);
669 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
670 (long)DIV_FROM_REG(data->fan_div[nr])));
671 }
672 static ssize_t
673 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
674 {
675 int nr = to_sensor_dev_attr(devattr)->index;
676 struct w83627hf_data *data = w83627hf_update_device(dev);
677 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
678 (long)DIV_FROM_REG(data->fan_div[nr])));
679 }
680 static ssize_t
681 store_fan_min(struct device *dev, struct device_attribute *devattr,
682 const char *buf, size_t count)
683 {
684 int nr = to_sensor_dev_attr(devattr)->index;
685 struct w83627hf_data *data = dev_get_drvdata(dev);
686 unsigned long val;
687 int err;
688
689 err = kstrtoul(buf, 10, &val);
690 if (err)
691 return err;
692
693 mutex_lock(&data->update_lock);
694 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
695 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
696 data->fan_min[nr]);
697
698 mutex_unlock(&data->update_lock);
699 return count;
700 }
701 #define sysfs_fan_decl(offset) \
702 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
703 show_fan_input, NULL, offset - 1); \
704 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
705 show_fan_min, store_fan_min, offset - 1);
706
707 sysfs_fan_decl(1);
708 sysfs_fan_decl(2);
709 sysfs_fan_decl(3);
710
711 static ssize_t
712 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
713 {
714 int nr = to_sensor_dev_attr(devattr)->index;
715 struct w83627hf_data *data = w83627hf_update_device(dev);
716
717 u16 tmp = data->temp[nr];
718 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
719 : (long) TEMP_FROM_REG(tmp));
720 }
721
722 static ssize_t
723 show_temp_max(struct device *dev, struct device_attribute *devattr,
724 char *buf)
725 {
726 int nr = to_sensor_dev_attr(devattr)->index;
727 struct w83627hf_data *data = w83627hf_update_device(dev);
728
729 u16 tmp = data->temp_max[nr];
730 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
731 : (long) TEMP_FROM_REG(tmp));
732 }
733
734 static ssize_t
735 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
736 char *buf)
737 {
738 int nr = to_sensor_dev_attr(devattr)->index;
739 struct w83627hf_data *data = w83627hf_update_device(dev);
740
741 u16 tmp = data->temp_max_hyst[nr];
742 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
743 : (long) TEMP_FROM_REG(tmp));
744 }
745
746 static ssize_t
747 store_temp_max(struct device *dev, struct device_attribute *devattr,
748 const char *buf, size_t count)
749 {
750 int nr = to_sensor_dev_attr(devattr)->index;
751 struct w83627hf_data *data = dev_get_drvdata(dev);
752 u16 tmp;
753 long val;
754 int err;
755
756 err = kstrtol(buf, 10, &val);
757 if (err)
758 return err;
759
760 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
761 mutex_lock(&data->update_lock);
762 data->temp_max[nr] = tmp;
763 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
764 mutex_unlock(&data->update_lock);
765 return count;
766 }
767
768 static ssize_t
769 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
770 const char *buf, size_t count)
771 {
772 int nr = to_sensor_dev_attr(devattr)->index;
773 struct w83627hf_data *data = dev_get_drvdata(dev);
774 u16 tmp;
775 long val;
776 int err;
777
778 err = kstrtol(buf, 10, &val);
779 if (err)
780 return err;
781
782 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
783 mutex_lock(&data->update_lock);
784 data->temp_max_hyst[nr] = tmp;
785 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
786 mutex_unlock(&data->update_lock);
787 return count;
788 }
789
790 #define sysfs_temp_decl(offset) \
791 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
792 show_temp, NULL, offset - 1); \
793 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \
794 show_temp_max, store_temp_max, offset - 1); \
795 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \
796 show_temp_max_hyst, store_temp_max_hyst, offset - 1);
797
798 sysfs_temp_decl(1);
799 sysfs_temp_decl(2);
800 sysfs_temp_decl(3);
801
802 static ssize_t
803 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
804 {
805 struct w83627hf_data *data = w83627hf_update_device(dev);
806 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
807 }
808 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
809
810 static ssize_t
811 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
812 {
813 struct w83627hf_data *data = dev_get_drvdata(dev);
814 return sprintf(buf, "%ld\n", (long) data->vrm);
815 }
816 static ssize_t
817 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
818 {
819 struct w83627hf_data *data = dev_get_drvdata(dev);
820 unsigned long val;
821 int err;
822
823 err = kstrtoul(buf, 10, &val);
824 if (err)
825 return err;
826 data->vrm = val;
827
828 return count;
829 }
830 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
831
832 static ssize_t
833 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
834 {
835 struct w83627hf_data *data = w83627hf_update_device(dev);
836 return sprintf(buf, "%ld\n", (long) data->alarms);
837 }
838 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
839
840 static ssize_t
841 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
842 {
843 struct w83627hf_data *data = w83627hf_update_device(dev);
844 int bitnr = to_sensor_dev_attr(attr)->index;
845 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
846 }
847 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
848 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
849 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
850 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
851 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
852 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
853 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
854 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
855 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
856 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
857 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
858 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
859 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
860 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
861 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
862
863 static ssize_t
864 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
865 {
866 struct w83627hf_data *data = w83627hf_update_device(dev);
867 return sprintf(buf, "%ld\n",
868 (long)BEEP_MASK_FROM_REG(data->beep_mask));
869 }
870
871 static ssize_t
872 store_beep_mask(struct device *dev, struct device_attribute *attr,
873 const char *buf, size_t count)
874 {
875 struct w83627hf_data *data = dev_get_drvdata(dev);
876 unsigned long val;
877 int err;
878
879 err = kstrtoul(buf, 10, &val);
880 if (err)
881 return err;
882
883 mutex_lock(&data->update_lock);
884
885 /* preserve beep enable */
886 data->beep_mask = (data->beep_mask & 0x8000)
887 | BEEP_MASK_TO_REG(val);
888 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
889 data->beep_mask & 0xff);
890 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
891 ((data->beep_mask) >> 16) & 0xff);
892 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
893 (data->beep_mask >> 8) & 0xff);
894
895 mutex_unlock(&data->update_lock);
896 return count;
897 }
898
899 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
900 show_beep_mask, store_beep_mask);
901
902 static ssize_t
903 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
904 {
905 struct w83627hf_data *data = w83627hf_update_device(dev);
906 int bitnr = to_sensor_dev_attr(attr)->index;
907 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
908 }
909
910 static ssize_t
911 store_beep(struct device *dev, struct device_attribute *attr,
912 const char *buf, size_t count)
913 {
914 struct w83627hf_data *data = dev_get_drvdata(dev);
915 int bitnr = to_sensor_dev_attr(attr)->index;
916 u8 reg;
917 unsigned long bit;
918 int err;
919
920 err = kstrtoul(buf, 10, &bit);
921 if (err)
922 return err;
923
924 if (bit & ~1)
925 return -EINVAL;
926
927 mutex_lock(&data->update_lock);
928 if (bit)
929 data->beep_mask |= (1 << bitnr);
930 else
931 data->beep_mask &= ~(1 << bitnr);
932
933 if (bitnr < 8) {
934 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
935 if (bit)
936 reg |= (1 << bitnr);
937 else
938 reg &= ~(1 << bitnr);
939 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
940 } else if (bitnr < 16) {
941 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
942 if (bit)
943 reg |= (1 << (bitnr - 8));
944 else
945 reg &= ~(1 << (bitnr - 8));
946 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
947 } else {
948 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
949 if (bit)
950 reg |= (1 << (bitnr - 16));
951 else
952 reg &= ~(1 << (bitnr - 16));
953 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
954 }
955 mutex_unlock(&data->update_lock);
956
957 return count;
958 }
959
960 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
961 show_beep, store_beep, 0);
962 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
963 show_beep, store_beep, 1);
964 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
965 show_beep, store_beep, 2);
966 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
967 show_beep, store_beep, 3);
968 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
969 show_beep, store_beep, 8);
970 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
971 show_beep, store_beep, 9);
972 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
973 show_beep, store_beep, 10);
974 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
975 show_beep, store_beep, 16);
976 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
977 show_beep, store_beep, 17);
978 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
979 show_beep, store_beep, 6);
980 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
981 show_beep, store_beep, 7);
982 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
983 show_beep, store_beep, 11);
984 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
985 show_beep, store_beep, 4);
986 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
987 show_beep, store_beep, 5);
988 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
989 show_beep, store_beep, 13);
990 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
991 show_beep, store_beep, 15);
992
993 static ssize_t
994 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
995 {
996 int nr = to_sensor_dev_attr(devattr)->index;
997 struct w83627hf_data *data = w83627hf_update_device(dev);
998 return sprintf(buf, "%ld\n",
999 (long) DIV_FROM_REG(data->fan_div[nr]));
1000 }
1001 /*
1002 * Note: we save and restore the fan minimum here, because its value is
1003 * determined in part by the fan divisor. This follows the principle of
1004 * least surprise; the user doesn't expect the fan minimum to change just
1005 * because the divisor changed.
1006 */
1007 static ssize_t
1008 store_fan_div(struct device *dev, struct device_attribute *devattr,
1009 const char *buf, size_t count)
1010 {
1011 int nr = to_sensor_dev_attr(devattr)->index;
1012 struct w83627hf_data *data = dev_get_drvdata(dev);
1013 unsigned long min;
1014 u8 reg;
1015 unsigned long val;
1016 int err;
1017
1018 err = kstrtoul(buf, 10, &val);
1019 if (err)
1020 return err;
1021
1022 mutex_lock(&data->update_lock);
1023
1024 /* Save fan_min */
1025 min = FAN_FROM_REG(data->fan_min[nr],
1026 DIV_FROM_REG(data->fan_div[nr]));
1027
1028 data->fan_div[nr] = DIV_TO_REG(val);
1029
1030 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1031 & (nr==0 ? 0xcf : 0x3f))
1032 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1033 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1034
1035 reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1036 & ~(1 << (5 + nr)))
1037 | ((data->fan_div[nr] & 0x04) << (3 + nr));
1038 w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1039
1040 /* Restore fan_min */
1041 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1042 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1043
1044 mutex_unlock(&data->update_lock);
1045 return count;
1046 }
1047
1048 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1049 show_fan_div, store_fan_div, 0);
1050 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1051 show_fan_div, store_fan_div, 1);
1052 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1053 show_fan_div, store_fan_div, 2);
1054
1055 static ssize_t
1056 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1057 {
1058 int nr = to_sensor_dev_attr(devattr)->index;
1059 struct w83627hf_data *data = w83627hf_update_device(dev);
1060 return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1061 }
1062
1063 static ssize_t
1064 store_pwm(struct device *dev, struct device_attribute *devattr,
1065 const char *buf, size_t count)
1066 {
1067 int nr = to_sensor_dev_attr(devattr)->index;
1068 struct w83627hf_data *data = dev_get_drvdata(dev);
1069 unsigned long val;
1070 int err;
1071
1072 err = kstrtoul(buf, 10, &val);
1073 if (err)
1074 return err;
1075
1076 mutex_lock(&data->update_lock);
1077
1078 if (data->type == w83627thf) {
1079 /* bits 0-3 are reserved in 627THF */
1080 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1081 w83627hf_write_value(data,
1082 W836X7HF_REG_PWM(data->type, nr),
1083 data->pwm[nr] |
1084 (w83627hf_read_value(data,
1085 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1086 } else {
1087 data->pwm[nr] = PWM_TO_REG(val);
1088 w83627hf_write_value(data,
1089 W836X7HF_REG_PWM(data->type, nr),
1090 data->pwm[nr]);
1091 }
1092
1093 mutex_unlock(&data->update_lock);
1094 return count;
1095 }
1096
1097 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1098 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1099 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1100
1101 static ssize_t
1102 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1103 {
1104 int nr = to_sensor_dev_attr(devattr)->index;
1105 struct w83627hf_data *data = w83627hf_update_device(dev);
1106 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1107 }
1108
1109 static ssize_t
1110 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1111 const char *buf, size_t count)
1112 {
1113 int nr = to_sensor_dev_attr(devattr)->index;
1114 struct w83627hf_data *data = dev_get_drvdata(dev);
1115 u8 reg;
1116 unsigned long val;
1117 int err;
1118
1119 err = kstrtoul(buf, 10, &val);
1120 if (err)
1121 return err;
1122
1123 if (!val || val > 3) /* modes 1, 2 and 3 are supported */
1124 return -EINVAL;
1125 mutex_lock(&data->update_lock);
1126 data->pwm_enable[nr] = val;
1127 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1128 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1129 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1130 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1131 mutex_unlock(&data->update_lock);
1132 return count;
1133 }
1134
1135 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1136 store_pwm_enable, 0);
1137 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1138 store_pwm_enable, 1);
1139 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1140 store_pwm_enable, 2);
1141
1142 static ssize_t
1143 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1144 {
1145 int nr = to_sensor_dev_attr(devattr)->index;
1146 struct w83627hf_data *data = w83627hf_update_device(dev);
1147 if (data->type == w83627hf)
1148 return sprintf(buf, "%ld\n",
1149 pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1150 else
1151 return sprintf(buf, "%ld\n",
1152 pwm_freq_from_reg(data->pwm_freq[nr]));
1153 }
1154
1155 static ssize_t
1156 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1157 const char *buf, size_t count)
1158 {
1159 int nr = to_sensor_dev_attr(devattr)->index;
1160 struct w83627hf_data *data = dev_get_drvdata(dev);
1161 static const u8 mask[]={0xF8, 0x8F};
1162 unsigned long val;
1163 int err;
1164
1165 err = kstrtoul(buf, 10, &val);
1166 if (err)
1167 return err;
1168
1169 mutex_lock(&data->update_lock);
1170
1171 if (data->type == w83627hf) {
1172 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1173 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1174 (data->pwm_freq[nr] << (nr*4)) |
1175 (w83627hf_read_value(data,
1176 W83627HF_REG_PWM_FREQ) & mask[nr]));
1177 } else {
1178 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1179 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1180 data->pwm_freq[nr]);
1181 }
1182
1183 mutex_unlock(&data->update_lock);
1184 return count;
1185 }
1186
1187 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1188 show_pwm_freq, store_pwm_freq, 0);
1189 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1190 show_pwm_freq, store_pwm_freq, 1);
1191 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1192 show_pwm_freq, store_pwm_freq, 2);
1193
1194 static ssize_t
1195 show_temp_type(struct device *dev, struct device_attribute *devattr,
1196 char *buf)
1197 {
1198 int nr = to_sensor_dev_attr(devattr)->index;
1199 struct w83627hf_data *data = w83627hf_update_device(dev);
1200 return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1201 }
1202
1203 static ssize_t
1204 store_temp_type(struct device *dev, struct device_attribute *devattr,
1205 const char *buf, size_t count)
1206 {
1207 int nr = to_sensor_dev_attr(devattr)->index;
1208 struct w83627hf_data *data = dev_get_drvdata(dev);
1209 unsigned long val;
1210 u32 tmp;
1211 int err;
1212
1213 err = kstrtoul(buf, 10, &val);
1214 if (err)
1215 return err;
1216
1217 mutex_lock(&data->update_lock);
1218
1219 switch (val) {
1220 case 1: /* PII/Celeron diode */
1221 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1222 w83627hf_write_value(data, W83781D_REG_SCFG1,
1223 tmp | BIT_SCFG1[nr]);
1224 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1225 w83627hf_write_value(data, W83781D_REG_SCFG2,
1226 tmp | BIT_SCFG2[nr]);
1227 data->sens[nr] = val;
1228 break;
1229 case 2: /* 3904 */
1230 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1231 w83627hf_write_value(data, W83781D_REG_SCFG1,
1232 tmp | BIT_SCFG1[nr]);
1233 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1234 w83627hf_write_value(data, W83781D_REG_SCFG2,
1235 tmp & ~BIT_SCFG2[nr]);
1236 data->sens[nr] = val;
1237 break;
1238 case W83781D_DEFAULT_BETA:
1239 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1240 "instead\n", W83781D_DEFAULT_BETA);
1241 /* fall through */
1242 case 4: /* thermistor */
1243 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1244 w83627hf_write_value(data, W83781D_REG_SCFG1,
1245 tmp & ~BIT_SCFG1[nr]);
1246 data->sens[nr] = val;
1247 break;
1248 default:
1249 dev_err(dev,
1250 "Invalid sensor type %ld; must be 1, 2, or 4\n",
1251 (long) val);
1252 break;
1253 }
1254
1255 mutex_unlock(&data->update_lock);
1256 return count;
1257 }
1258
1259 #define sysfs_temp_type(offset) \
1260 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1261 show_temp_type, store_temp_type, offset - 1);
1262
1263 sysfs_temp_type(1);
1264 sysfs_temp_type(2);
1265 sysfs_temp_type(3);
1266
1267 static ssize_t
1268 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1269 {
1270 struct w83627hf_data *data = dev_get_drvdata(dev);
1271
1272 return sprintf(buf, "%s\n", data->name);
1273 }
1274 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1275
1276 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1277 struct w83627hf_sio_data *sio_data)
1278 {
1279 int err = -ENODEV;
1280 u16 val;
1281
1282 static __initconst char *const names[] = {
1283 "W83627HF",
1284 "W83627THF",
1285 "W83697HF",
1286 "W83637HF",
1287 "W83687THF",
1288 };
1289
1290 sio_data->sioaddr = sioaddr;
1291 superio_enter(sio_data);
1292 val = force_id ? force_id : superio_inb(sio_data, DEVID);
1293 switch (val) {
1294 case W627_DEVID:
1295 sio_data->type = w83627hf;
1296 break;
1297 case W627THF_DEVID:
1298 sio_data->type = w83627thf;
1299 break;
1300 case W697_DEVID:
1301 sio_data->type = w83697hf;
1302 break;
1303 case W637_DEVID:
1304 sio_data->type = w83637hf;
1305 break;
1306 case W687THF_DEVID:
1307 sio_data->type = w83687thf;
1308 break;
1309 case 0xff: /* No device at all */
1310 goto exit;
1311 default:
1312 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1313 goto exit;
1314 }
1315
1316 superio_select(sio_data, W83627HF_LD_HWM);
1317 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1318 superio_inb(sio_data, WINB_BASE_REG + 1);
1319 *addr = val & WINB_ALIGNMENT;
1320 if (*addr == 0) {
1321 pr_warn("Base address not set, skipping\n");
1322 goto exit;
1323 }
1324
1325 val = superio_inb(sio_data, WINB_ACT_REG);
1326 if (!(val & 0x01)) {
1327 pr_warn("Enabling HWM logical device\n");
1328 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1329 }
1330
1331 err = 0;
1332 pr_info(DRVNAME ": Found %s chip at %#x\n",
1333 names[sio_data->type], *addr);
1334
1335 exit:
1336 superio_exit(sio_data);
1337 return err;
1338 }
1339
1340 #define VIN_UNIT_ATTRS(_X_) \
1341 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
1342 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
1343 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
1344 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
1345 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1346
1347 #define FAN_UNIT_ATTRS(_X_) \
1348 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
1349 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
1350 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
1351 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
1352 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1353
1354 #define TEMP_UNIT_ATTRS(_X_) \
1355 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
1356 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
1357 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
1358 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
1359 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
1360 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1361
1362 static struct attribute *w83627hf_attributes[] = {
1363 &dev_attr_in0_input.attr,
1364 &dev_attr_in0_min.attr,
1365 &dev_attr_in0_max.attr,
1366 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1367 &sensor_dev_attr_in0_beep.dev_attr.attr,
1368 VIN_UNIT_ATTRS(2),
1369 VIN_UNIT_ATTRS(3),
1370 VIN_UNIT_ATTRS(4),
1371 VIN_UNIT_ATTRS(7),
1372 VIN_UNIT_ATTRS(8),
1373
1374 FAN_UNIT_ATTRS(1),
1375 FAN_UNIT_ATTRS(2),
1376
1377 TEMP_UNIT_ATTRS(1),
1378 TEMP_UNIT_ATTRS(2),
1379
1380 &dev_attr_alarms.attr,
1381 &sensor_dev_attr_beep_enable.dev_attr.attr,
1382 &dev_attr_beep_mask.attr,
1383
1384 &sensor_dev_attr_pwm1.dev_attr.attr,
1385 &sensor_dev_attr_pwm2.dev_attr.attr,
1386 &dev_attr_name.attr,
1387 NULL
1388 };
1389
1390 static const struct attribute_group w83627hf_group = {
1391 .attrs = w83627hf_attributes,
1392 };
1393
1394 static struct attribute *w83627hf_attributes_opt[] = {
1395 VIN_UNIT_ATTRS(1),
1396 VIN_UNIT_ATTRS(5),
1397 VIN_UNIT_ATTRS(6),
1398
1399 FAN_UNIT_ATTRS(3),
1400 TEMP_UNIT_ATTRS(3),
1401 &sensor_dev_attr_pwm3.dev_attr.attr,
1402
1403 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1404 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1405 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1406
1407 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1408 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1409 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1410
1411 NULL
1412 };
1413
1414 static const struct attribute_group w83627hf_group_opt = {
1415 .attrs = w83627hf_attributes_opt,
1416 };
1417
1418 static int w83627hf_probe(struct platform_device *pdev)
1419 {
1420 struct device *dev = &pdev->dev;
1421 struct w83627hf_sio_data *sio_data = dev->platform_data;
1422 struct w83627hf_data *data;
1423 struct resource *res;
1424 int err, i;
1425
1426 static const char *names[] = {
1427 "w83627hf",
1428 "w83627thf",
1429 "w83697hf",
1430 "w83637hf",
1431 "w83687thf",
1432 };
1433
1434 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1435 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1436 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1437 (unsigned long)res->start,
1438 (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1439 return -EBUSY;
1440 }
1441
1442 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1443 if (!data)
1444 return -ENOMEM;
1445
1446 data->addr = res->start;
1447 data->type = sio_data->type;
1448 data->name = names[sio_data->type];
1449 mutex_init(&data->lock);
1450 mutex_init(&data->update_lock);
1451 platform_set_drvdata(pdev, data);
1452
1453 /* Initialize the chip */
1454 w83627hf_init_device(pdev);
1455
1456 /* A few vars need to be filled upon startup */
1457 for (i = 0; i <= 2; i++)
1458 data->fan_min[i] = w83627hf_read_value(
1459 data, W83627HF_REG_FAN_MIN(i));
1460 w83627hf_update_fan_div(data);
1461
1462 /* Register common device attributes */
1463 err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1464 if (err)
1465 return err;
1466
1467 /* Register chip-specific device attributes */
1468 if (data->type == w83627hf || data->type == w83697hf)
1469 if ((err = device_create_file(dev,
1470 &sensor_dev_attr_in5_input.dev_attr))
1471 || (err = device_create_file(dev,
1472 &sensor_dev_attr_in5_min.dev_attr))
1473 || (err = device_create_file(dev,
1474 &sensor_dev_attr_in5_max.dev_attr))
1475 || (err = device_create_file(dev,
1476 &sensor_dev_attr_in5_alarm.dev_attr))
1477 || (err = device_create_file(dev,
1478 &sensor_dev_attr_in5_beep.dev_attr))
1479 || (err = device_create_file(dev,
1480 &sensor_dev_attr_in6_input.dev_attr))
1481 || (err = device_create_file(dev,
1482 &sensor_dev_attr_in6_min.dev_attr))
1483 || (err = device_create_file(dev,
1484 &sensor_dev_attr_in6_max.dev_attr))
1485 || (err = device_create_file(dev,
1486 &sensor_dev_attr_in6_alarm.dev_attr))
1487 || (err = device_create_file(dev,
1488 &sensor_dev_attr_in6_beep.dev_attr))
1489 || (err = device_create_file(dev,
1490 &sensor_dev_attr_pwm1_freq.dev_attr))
1491 || (err = device_create_file(dev,
1492 &sensor_dev_attr_pwm2_freq.dev_attr)))
1493 goto error;
1494
1495 if (data->type != w83697hf)
1496 if ((err = device_create_file(dev,
1497 &sensor_dev_attr_in1_input.dev_attr))
1498 || (err = device_create_file(dev,
1499 &sensor_dev_attr_in1_min.dev_attr))
1500 || (err = device_create_file(dev,
1501 &sensor_dev_attr_in1_max.dev_attr))
1502 || (err = device_create_file(dev,
1503 &sensor_dev_attr_in1_alarm.dev_attr))
1504 || (err = device_create_file(dev,
1505 &sensor_dev_attr_in1_beep.dev_attr))
1506 || (err = device_create_file(dev,
1507 &sensor_dev_attr_fan3_input.dev_attr))
1508 || (err = device_create_file(dev,
1509 &sensor_dev_attr_fan3_min.dev_attr))
1510 || (err = device_create_file(dev,
1511 &sensor_dev_attr_fan3_div.dev_attr))
1512 || (err = device_create_file(dev,
1513 &sensor_dev_attr_fan3_alarm.dev_attr))
1514 || (err = device_create_file(dev,
1515 &sensor_dev_attr_fan3_beep.dev_attr))
1516 || (err = device_create_file(dev,
1517 &sensor_dev_attr_temp3_input.dev_attr))
1518 || (err = device_create_file(dev,
1519 &sensor_dev_attr_temp3_max.dev_attr))
1520 || (err = device_create_file(dev,
1521 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1522 || (err = device_create_file(dev,
1523 &sensor_dev_attr_temp3_alarm.dev_attr))
1524 || (err = device_create_file(dev,
1525 &sensor_dev_attr_temp3_beep.dev_attr))
1526 || (err = device_create_file(dev,
1527 &sensor_dev_attr_temp3_type.dev_attr)))
1528 goto error;
1529
1530 if (data->type != w83697hf && data->vid != 0xff) {
1531 /* Convert VID to voltage based on VRM */
1532 data->vrm = vid_which_vrm();
1533
1534 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1535 || (err = device_create_file(dev, &dev_attr_vrm)))
1536 goto error;
1537 }
1538
1539 if (data->type == w83627thf || data->type == w83637hf
1540 || data->type == w83687thf) {
1541 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1542 if (err)
1543 goto error;
1544 }
1545
1546 if (data->type == w83637hf || data->type == w83687thf)
1547 if ((err = device_create_file(dev,
1548 &sensor_dev_attr_pwm1_freq.dev_attr))
1549 || (err = device_create_file(dev,
1550 &sensor_dev_attr_pwm2_freq.dev_attr))
1551 || (err = device_create_file(dev,
1552 &sensor_dev_attr_pwm3_freq.dev_attr)))
1553 goto error;
1554
1555 if (data->type != w83627hf)
1556 if ((err = device_create_file(dev,
1557 &sensor_dev_attr_pwm1_enable.dev_attr))
1558 || (err = device_create_file(dev,
1559 &sensor_dev_attr_pwm2_enable.dev_attr)))
1560 goto error;
1561
1562 if (data->type == w83627thf || data->type == w83637hf
1563 || data->type == w83687thf) {
1564 err = device_create_file(dev,
1565 &sensor_dev_attr_pwm3_enable.dev_attr);
1566 if (err)
1567 goto error;
1568 }
1569
1570 data->hwmon_dev = hwmon_device_register(dev);
1571 if (IS_ERR(data->hwmon_dev)) {
1572 err = PTR_ERR(data->hwmon_dev);
1573 goto error;
1574 }
1575
1576 return 0;
1577
1578 error:
1579 sysfs_remove_group(&dev->kobj, &w83627hf_group);
1580 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1581 return err;
1582 }
1583
1584 static int w83627hf_remove(struct platform_device *pdev)
1585 {
1586 struct w83627hf_data *data = platform_get_drvdata(pdev);
1587
1588 hwmon_device_unregister(data->hwmon_dev);
1589
1590 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1591 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1592
1593 return 0;
1594 }
1595
1596
1597 /* Registers 0x50-0x5f are banked */
1598 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1599 {
1600 if ((reg & 0x00f0) == 0x50) {
1601 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1602 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1603 }
1604 }
1605
1606 /* Not strictly necessary, but play it safe for now */
1607 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1608 {
1609 if (reg & 0xff00) {
1610 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1611 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1612 }
1613 }
1614
1615 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1616 {
1617 int res, word_sized;
1618
1619 mutex_lock(&data->lock);
1620 word_sized = (((reg & 0xff00) == 0x100)
1621 || ((reg & 0xff00) == 0x200))
1622 && (((reg & 0x00ff) == 0x50)
1623 || ((reg & 0x00ff) == 0x53)
1624 || ((reg & 0x00ff) == 0x55));
1625 w83627hf_set_bank(data, reg);
1626 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1627 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1628 if (word_sized) {
1629 outb_p((reg & 0xff) + 1,
1630 data->addr + W83781D_ADDR_REG_OFFSET);
1631 res =
1632 (res << 8) + inb_p(data->addr +
1633 W83781D_DATA_REG_OFFSET);
1634 }
1635 w83627hf_reset_bank(data, reg);
1636 mutex_unlock(&data->lock);
1637 return res;
1638 }
1639
1640 static int w83627thf_read_gpio5(struct platform_device *pdev)
1641 {
1642 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1643 int res = 0xff, sel;
1644
1645 superio_enter(sio_data);
1646 superio_select(sio_data, W83627HF_LD_GPIO5);
1647
1648 /* Make sure these GPIO pins are enabled */
1649 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1650 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1651 goto exit;
1652 }
1653
1654 /*
1655 * Make sure the pins are configured for input
1656 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1657 */
1658 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1659 if ((sel & 0x1f) != 0x1f) {
1660 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1661 "function\n");
1662 goto exit;
1663 }
1664
1665 dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1666 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1667
1668 exit:
1669 superio_exit(sio_data);
1670 return res;
1671 }
1672
1673 static int w83687thf_read_vid(struct platform_device *pdev)
1674 {
1675 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1676 int res = 0xff;
1677
1678 superio_enter(sio_data);
1679 superio_select(sio_data, W83627HF_LD_HWM);
1680
1681 /* Make sure these GPIO pins are enabled */
1682 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1683 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1684 goto exit;
1685 }
1686
1687 /* Make sure the pins are configured for input */
1688 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1689 dev_dbg(&pdev->dev, "VID configured as output, "
1690 "no VID function\n");
1691 goto exit;
1692 }
1693
1694 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1695
1696 exit:
1697 superio_exit(sio_data);
1698 return res;
1699 }
1700
1701 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1702 {
1703 int word_sized;
1704
1705 mutex_lock(&data->lock);
1706 word_sized = (((reg & 0xff00) == 0x100)
1707 || ((reg & 0xff00) == 0x200))
1708 && (((reg & 0x00ff) == 0x53)
1709 || ((reg & 0x00ff) == 0x55));
1710 w83627hf_set_bank(data, reg);
1711 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1712 if (word_sized) {
1713 outb_p(value >> 8,
1714 data->addr + W83781D_DATA_REG_OFFSET);
1715 outb_p((reg & 0xff) + 1,
1716 data->addr + W83781D_ADDR_REG_OFFSET);
1717 }
1718 outb_p(value & 0xff,
1719 data->addr + W83781D_DATA_REG_OFFSET);
1720 w83627hf_reset_bank(data, reg);
1721 mutex_unlock(&data->lock);
1722 return 0;
1723 }
1724
1725 static void w83627hf_init_device(struct platform_device *pdev)
1726 {
1727 struct w83627hf_data *data = platform_get_drvdata(pdev);
1728 int i;
1729 enum chips type = data->type;
1730 u8 tmp;
1731
1732 /* Minimize conflicts with other winbond i2c-only clients... */
1733 /* disable i2c subclients... how to disable main i2c client?? */
1734 /* force i2c address to relatively uncommon address */
1735 if (type == w83627hf) {
1736 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1737 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1738 }
1739
1740 /* Read VID only once */
1741 if (type == w83627hf || type == w83637hf) {
1742 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1743 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1744 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1745 } else if (type == w83627thf) {
1746 data->vid = w83627thf_read_gpio5(pdev);
1747 } else if (type == w83687thf) {
1748 data->vid = w83687thf_read_vid(pdev);
1749 }
1750
1751 /* Read VRM & OVT Config only once */
1752 if (type == w83627thf || type == w83637hf || type == w83687thf) {
1753 data->vrm_ovt =
1754 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1755 }
1756
1757 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1758 for (i = 1; i <= 3; i++) {
1759 if (!(tmp & BIT_SCFG1[i - 1])) {
1760 data->sens[i - 1] = 4;
1761 } else {
1762 if (w83627hf_read_value
1763 (data,
1764 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1765 data->sens[i - 1] = 1;
1766 else
1767 data->sens[i - 1] = 2;
1768 }
1769 if ((type == w83697hf) && (i == 2))
1770 break;
1771 }
1772
1773 if(init) {
1774 /* Enable temp2 */
1775 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1776 if (tmp & 0x01) {
1777 dev_warn(&pdev->dev, "Enabling temp2, readings "
1778 "might not make sense\n");
1779 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1780 tmp & 0xfe);
1781 }
1782
1783 /* Enable temp3 */
1784 if (type != w83697hf) {
1785 tmp = w83627hf_read_value(data,
1786 W83627HF_REG_TEMP3_CONFIG);
1787 if (tmp & 0x01) {
1788 dev_warn(&pdev->dev, "Enabling temp3, "
1789 "readings might not make sense\n");
1790 w83627hf_write_value(data,
1791 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1792 }
1793 }
1794 }
1795
1796 /* Start monitoring */
1797 w83627hf_write_value(data, W83781D_REG_CONFIG,
1798 (w83627hf_read_value(data,
1799 W83781D_REG_CONFIG) & 0xf7)
1800 | 0x01);
1801
1802 /* Enable VBAT monitoring if needed */
1803 tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1804 if (!(tmp & 0x01))
1805 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1806 }
1807
1808 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1809 {
1810 int reg;
1811
1812 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1813 data->fan_div[0] = (reg >> 4) & 0x03;
1814 data->fan_div[1] = (reg >> 6) & 0x03;
1815 if (data->type != w83697hf) {
1816 data->fan_div[2] = (w83627hf_read_value(data,
1817 W83781D_REG_PIN) >> 6) & 0x03;
1818 }
1819 reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1820 data->fan_div[0] |= (reg >> 3) & 0x04;
1821 data->fan_div[1] |= (reg >> 4) & 0x04;
1822 if (data->type != w83697hf)
1823 data->fan_div[2] |= (reg >> 5) & 0x04;
1824 }
1825
1826 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1827 {
1828 struct w83627hf_data *data = dev_get_drvdata(dev);
1829 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1830 int num_pwms = (data->type == w83697hf) ? 2 : 3;
1831
1832 mutex_lock(&data->update_lock);
1833
1834 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1835 || !data->valid) {
1836 for (i = 0; i <= 8; i++) {
1837 /* skip missing sensors */
1838 if (((data->type == w83697hf) && (i == 1)) ||
1839 ((data->type != w83627hf && data->type != w83697hf)
1840 && (i == 5 || i == 6)))
1841 continue;
1842 data->in[i] =
1843 w83627hf_read_value(data, W83781D_REG_IN(i));
1844 data->in_min[i] =
1845 w83627hf_read_value(data,
1846 W83781D_REG_IN_MIN(i));
1847 data->in_max[i] =
1848 w83627hf_read_value(data,
1849 W83781D_REG_IN_MAX(i));
1850 }
1851 for (i = 0; i <= 2; i++) {
1852 data->fan[i] =
1853 w83627hf_read_value(data, W83627HF_REG_FAN(i));
1854 data->fan_min[i] =
1855 w83627hf_read_value(data,
1856 W83627HF_REG_FAN_MIN(i));
1857 }
1858 for (i = 0; i <= 2; i++) {
1859 u8 tmp = w83627hf_read_value(data,
1860 W836X7HF_REG_PWM(data->type, i));
1861 /* bits 0-3 are reserved in 627THF */
1862 if (data->type == w83627thf)
1863 tmp &= 0xf0;
1864 data->pwm[i] = tmp;
1865 if (i == 1 &&
1866 (data->type == w83627hf || data->type == w83697hf))
1867 break;
1868 }
1869 if (data->type == w83627hf) {
1870 u8 tmp = w83627hf_read_value(data,
1871 W83627HF_REG_PWM_FREQ);
1872 data->pwm_freq[0] = tmp & 0x07;
1873 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1874 } else if (data->type != w83627thf) {
1875 for (i = 1; i <= 3; i++) {
1876 data->pwm_freq[i - 1] =
1877 w83627hf_read_value(data,
1878 W83637HF_REG_PWM_FREQ[i - 1]);
1879 if (i == 2 && (data->type == w83697hf))
1880 break;
1881 }
1882 }
1883 if (data->type != w83627hf) {
1884 for (i = 0; i < num_pwms; i++) {
1885 u8 tmp = w83627hf_read_value(data,
1886 W83627THF_REG_PWM_ENABLE[i]);
1887 data->pwm_enable[i] =
1888 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1889 & 0x03) + 1;
1890 }
1891 }
1892 for (i = 0; i < num_temps; i++) {
1893 data->temp[i] = w83627hf_read_value(
1894 data, w83627hf_reg_temp[i]);
1895 data->temp_max[i] = w83627hf_read_value(
1896 data, w83627hf_reg_temp_over[i]);
1897 data->temp_max_hyst[i] = w83627hf_read_value(
1898 data, w83627hf_reg_temp_hyst[i]);
1899 }
1900
1901 w83627hf_update_fan_div(data);
1902
1903 data->alarms =
1904 w83627hf_read_value(data, W83781D_REG_ALARM1) |
1905 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1906 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1907 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1908 data->beep_mask = (i << 8) |
1909 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1910 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1911 data->last_updated = jiffies;
1912 data->valid = 1;
1913 }
1914
1915 mutex_unlock(&data->update_lock);
1916
1917 return data;
1918 }
1919
1920 static int __init w83627hf_device_add(unsigned short address,
1921 const struct w83627hf_sio_data *sio_data)
1922 {
1923 struct resource res = {
1924 .start = address + WINB_REGION_OFFSET,
1925 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1926 .name = DRVNAME,
1927 .flags = IORESOURCE_IO,
1928 };
1929 int err;
1930
1931 err = acpi_check_resource_conflict(&res);
1932 if (err)
1933 goto exit;
1934
1935 pdev = platform_device_alloc(DRVNAME, address);
1936 if (!pdev) {
1937 err = -ENOMEM;
1938 pr_err("Device allocation failed\n");
1939 goto exit;
1940 }
1941
1942 err = platform_device_add_resources(pdev, &res, 1);
1943 if (err) {
1944 pr_err("Device resource addition failed (%d)\n", err);
1945 goto exit_device_put;
1946 }
1947
1948 err = platform_device_add_data(pdev, sio_data,
1949 sizeof(struct w83627hf_sio_data));
1950 if (err) {
1951 pr_err("Platform data allocation failed\n");
1952 goto exit_device_put;
1953 }
1954
1955 err = platform_device_add(pdev);
1956 if (err) {
1957 pr_err("Device addition failed (%d)\n", err);
1958 goto exit_device_put;
1959 }
1960
1961 return 0;
1962
1963 exit_device_put:
1964 platform_device_put(pdev);
1965 exit:
1966 return err;
1967 }
1968
1969 static int __init sensors_w83627hf_init(void)
1970 {
1971 int err;
1972 unsigned short address;
1973 struct w83627hf_sio_data sio_data;
1974
1975 if (w83627hf_find(0x2e, &address, &sio_data)
1976 && w83627hf_find(0x4e, &address, &sio_data))
1977 return -ENODEV;
1978
1979 err = platform_driver_register(&w83627hf_driver);
1980 if (err)
1981 goto exit;
1982
1983 /* Sets global pdev as a side effect */
1984 err = w83627hf_device_add(address, &sio_data);
1985 if (err)
1986 goto exit_driver;
1987
1988 return 0;
1989
1990 exit_driver:
1991 platform_driver_unregister(&w83627hf_driver);
1992 exit:
1993 return err;
1994 }
1995
1996 static void __exit sensors_w83627hf_exit(void)
1997 {
1998 platform_device_unregister(pdev);
1999 platform_driver_unregister(&w83627hf_driver);
2000 }
2001
2002 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2003 "Philip Edelbrock <phil@netroedge.com>, "
2004 "and Mark Studebaker <mdsxyz123@yahoo.com>");
2005 MODULE_DESCRIPTION("W83627HF driver");
2006 MODULE_LICENSE("GPL");
2007
2008 module_init(sensors_w83627hf_init);
2009 module_exit(sensors_w83627hf_exit);
Linux with added FPC-III support