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x86/msr-index: Cleanup bit defines
[mirror_ubuntu-bionic-kernel.git] / drivers / hwmon / w83627hf.c
1 /*
2 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
5 * Philip Edelbrock <phil@netroedge.com>,
6 * and Mark Studebaker <mdsxyz123@yahoo.com>
7 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
8 * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 /*
26 * Supports following chips:
27 *
28 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
29 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
30 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
31 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
32 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
33 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
34 *
35 * For other winbond chips, and for i2c support in the above chips,
36 * use w83781d.c.
37 *
38 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
39 * supported yet.
40 */
41
42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
43
44 #include <linux/module.h>
45 #include <linux/init.h>
46 #include <linux/slab.h>
47 #include <linux/jiffies.h>
48 #include <linux/platform_device.h>
49 #include <linux/hwmon.h>
50 #include <linux/hwmon-sysfs.h>
51 #include <linux/hwmon-vid.h>
52 #include <linux/err.h>
53 #include <linux/mutex.h>
54 #include <linux/ioport.h>
55 #include <linux/acpi.h>
56 #include <linux/io.h>
57 #include "lm75.h"
58
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) (clamp_val((((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 = clamp_val(rpm, 1, 1000000);
265 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
266 }
267
268 #define TEMP_MIN (-128000)
269 #define TEMP_MAX ( 127000)
270
271 /*
272 * TEMP: 0.001C/bit (-128C to +127C)
273 * REG: 1C/bit, two's complement
274 */
275 static u8 TEMP_TO_REG(long temp)
276 {
277 int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
278 ntemp += (ntemp < 0 ? -500 : 500);
279 return (u8)(ntemp / 1000);
280 }
281
282 static int TEMP_FROM_REG(u8 reg)
283 {
284 return (s8)reg * 1000;
285 }
286
287 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
288
289 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
290
291 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
292 {
293 unsigned long freq;
294 freq = W83627HF_BASE_PWM_FREQ >> reg;
295 return freq;
296 }
297 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
298 {
299 u8 i;
300 /*
301 * Only 5 dividers (1 2 4 8 16)
302 * Search for the nearest available frequency
303 */
304 for (i = 0; i < 4; i++) {
305 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
306 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
307 break;
308 }
309 return i;
310 }
311
312 static inline unsigned long pwm_freq_from_reg(u8 reg)
313 {
314 /* Clock bit 8 -> 180 kHz or 24 MHz */
315 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
316
317 reg &= 0x7f;
318 /* This should not happen but anyway... */
319 if (reg == 0)
320 reg++;
321 return clock / (reg << 8);
322 }
323 static inline u8 pwm_freq_to_reg(unsigned long val)
324 {
325 /* Minimum divider value is 0x01 and maximum is 0x7F */
326 if (val >= 93750) /* The highest we can do */
327 return 0x01;
328 if (val >= 720) /* Use 24 MHz clock */
329 return 24000000UL / (val << 8);
330 if (val < 6) /* The lowest we can do */
331 return 0xFF;
332 else /* Use 180 kHz clock */
333 return 0x80 | (180000UL / (val << 8));
334 }
335
336 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
337 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff)
338
339 #define DIV_FROM_REG(val) (1 << (val))
340
341 static inline u8 DIV_TO_REG(long val)
342 {
343 int i;
344 val = clamp_val(val, 1, 128) >> 1;
345 for (i = 0; i < 7; i++) {
346 if (val == 0)
347 break;
348 val >>= 1;
349 }
350 return (u8)i;
351 }
352
353 /*
354 * For each registered chip, we need to keep some data in memory.
355 * The structure is dynamically allocated.
356 */
357 struct w83627hf_data {
358 unsigned short addr;
359 const char *name;
360 struct device *hwmon_dev;
361 struct mutex lock;
362 enum chips type;
363
364 struct mutex update_lock;
365 char valid; /* !=0 if following fields are valid */
366 unsigned long last_updated; /* In jiffies */
367
368 u8 in[9]; /* Register value */
369 u8 in_max[9]; /* Register value */
370 u8 in_min[9]; /* Register value */
371 u8 fan[3]; /* Register value */
372 u8 fan_min[3]; /* Register value */
373 u16 temp[3]; /* Register value */
374 u16 temp_max[3]; /* Register value */
375 u16 temp_max_hyst[3]; /* Register value */
376 u8 fan_div[3]; /* Register encoding, shifted right */
377 u8 vid; /* Register encoding, combined */
378 u32 alarms; /* Register encoding, combined */
379 u32 beep_mask; /* Register encoding, combined */
380 u8 pwm[3]; /* Register value */
381 u8 pwm_enable[3]; /* 1 = manual
382 * 2 = thermal cruise (also called SmartFan I)
383 * 3 = fan speed cruise
384 */
385 u8 pwm_freq[3]; /* Register value */
386 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
387 * 4 = thermistor
388 */
389 u8 vrm;
390 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
391
392 #ifdef CONFIG_PM
393 /* Remember extra register values over suspend/resume */
394 u8 scfg1;
395 u8 scfg2;
396 #endif
397 };
398
399
400 static int w83627hf_probe(struct platform_device *pdev);
401 static int w83627hf_remove(struct platform_device *pdev);
402
403 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
404 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
405 static void w83627hf_update_fan_div(struct w83627hf_data *data);
406 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
407 static void w83627hf_init_device(struct platform_device *pdev);
408
409 #ifdef CONFIG_PM
410 static int w83627hf_suspend(struct device *dev)
411 {
412 struct w83627hf_data *data = w83627hf_update_device(dev);
413
414 mutex_lock(&data->update_lock);
415 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
416 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
417 mutex_unlock(&data->update_lock);
418
419 return 0;
420 }
421
422 static int w83627hf_resume(struct device *dev)
423 {
424 struct w83627hf_data *data = dev_get_drvdata(dev);
425 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
426
427 /* Restore limits */
428 mutex_lock(&data->update_lock);
429 for (i = 0; i <= 8; i++) {
430 /* skip missing sensors */
431 if (((data->type == w83697hf) && (i == 1)) ||
432 ((data->type != w83627hf && data->type != w83697hf)
433 && (i == 5 || i == 6)))
434 continue;
435 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
436 data->in_max[i]);
437 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
438 data->in_min[i]);
439 }
440 for (i = 0; i <= 2; i++)
441 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
442 data->fan_min[i]);
443 for (i = 0; i < num_temps; i++) {
444 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
445 data->temp_max[i]);
446 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
447 data->temp_max_hyst[i]);
448 }
449
450 /* Fixup BIOS bugs */
451 if (data->type == w83627thf || data->type == w83637hf ||
452 data->type == w83687thf)
453 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
454 data->vrm_ovt);
455 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
456 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
457
458 /* Force re-reading all values */
459 data->valid = 0;
460 mutex_unlock(&data->update_lock);
461
462 return 0;
463 }
464
465 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
466 .suspend = w83627hf_suspend,
467 .resume = w83627hf_resume,
468 };
469
470 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops)
471 #else
472 #define W83627HF_DEV_PM_OPS NULL
473 #endif /* CONFIG_PM */
474
475 static struct platform_driver w83627hf_driver = {
476 .driver = {
477 .name = DRVNAME,
478 .pm = W83627HF_DEV_PM_OPS,
479 },
480 .probe = w83627hf_probe,
481 .remove = w83627hf_remove,
482 };
483
484 static ssize_t
485 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
486 {
487 int nr = to_sensor_dev_attr(devattr)->index;
488 struct w83627hf_data *data = w83627hf_update_device(dev);
489 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
490 }
491 static ssize_t
492 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
493 {
494 int nr = to_sensor_dev_attr(devattr)->index;
495 struct w83627hf_data *data = w83627hf_update_device(dev);
496 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
497 }
498 static ssize_t
499 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
500 {
501 int nr = to_sensor_dev_attr(devattr)->index;
502 struct w83627hf_data *data = w83627hf_update_device(dev);
503 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
504 }
505 static ssize_t
506 store_in_min(struct device *dev, struct device_attribute *devattr,
507 const char *buf, size_t count)
508 {
509 int nr = to_sensor_dev_attr(devattr)->index;
510 struct w83627hf_data *data = dev_get_drvdata(dev);
511 long val;
512 int err;
513
514 err = kstrtol(buf, 10, &val);
515 if (err)
516 return err;
517
518 mutex_lock(&data->update_lock);
519 data->in_min[nr] = IN_TO_REG(val);
520 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
521 mutex_unlock(&data->update_lock);
522 return count;
523 }
524 static ssize_t
525 store_in_max(struct device *dev, struct device_attribute *devattr,
526 const char *buf, size_t count)
527 {
528 int nr = to_sensor_dev_attr(devattr)->index;
529 struct w83627hf_data *data = dev_get_drvdata(dev);
530 long val;
531 int err;
532
533 err = kstrtol(buf, 10, &val);
534 if (err)
535 return err;
536
537 mutex_lock(&data->update_lock);
538 data->in_max[nr] = IN_TO_REG(val);
539 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
540 mutex_unlock(&data->update_lock);
541 return count;
542 }
543 #define sysfs_vin_decl(offset) \
544 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
545 show_in_input, NULL, offset); \
546 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \
547 show_in_min, store_in_min, offset); \
548 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \
549 show_in_max, store_in_max, offset);
550
551 sysfs_vin_decl(1);
552 sysfs_vin_decl(2);
553 sysfs_vin_decl(3);
554 sysfs_vin_decl(4);
555 sysfs_vin_decl(5);
556 sysfs_vin_decl(6);
557 sysfs_vin_decl(7);
558 sysfs_vin_decl(8);
559
560 /* use a different set of functions for in0 */
561 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
562 {
563 long in0;
564
565 if ((data->vrm_ovt & 0x01) &&
566 (w83627thf == data->type || w83637hf == data->type
567 || w83687thf == data->type))
568
569 /* use VRM9 calculation */
570 in0 = (long)((reg * 488 + 70000 + 50) / 100);
571 else
572 /* use VRM8 (standard) calculation */
573 in0 = (long)IN_FROM_REG(reg);
574
575 return sprintf(buf,"%ld\n", in0);
576 }
577
578 static ssize_t in0_input_show(struct device *dev,
579 struct device_attribute *attr, char *buf)
580 {
581 struct w83627hf_data *data = w83627hf_update_device(dev);
582 return show_in_0(data, buf, data->in[0]);
583 }
584
585 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
586 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 in0_max_show(struct device *dev, struct device_attribute *attr,
593 char *buf)
594 {
595 struct w83627hf_data *data = w83627hf_update_device(dev);
596 return show_in_0(data, buf, data->in_max[0]);
597 }
598
599 static ssize_t in0_min_store(struct device *dev,
600 struct device_attribute *attr, const char *buf,
601 size_t count)
602 {
603 struct w83627hf_data *data = dev_get_drvdata(dev);
604 unsigned long val;
605 int err;
606
607 err = kstrtoul(buf, 10, &val);
608 if (err)
609 return err;
610
611 mutex_lock(&data->update_lock);
612
613 if ((data->vrm_ovt & 0x01) &&
614 (w83627thf == data->type || w83637hf == data->type
615 || w83687thf == data->type))
616
617 /* use VRM9 calculation */
618 data->in_min[0] =
619 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
620 else
621 /* use VRM8 (standard) calculation */
622 data->in_min[0] = IN_TO_REG(val);
623
624 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
625 mutex_unlock(&data->update_lock);
626 return count;
627 }
628
629 static ssize_t in0_max_store(struct device *dev,
630 struct device_attribute *attr, const char *buf,
631 size_t count)
632 {
633 struct w83627hf_data *data = dev_get_drvdata(dev);
634 unsigned long val;
635 int err;
636
637 err = kstrtoul(buf, 10, &val);
638 if (err)
639 return err;
640
641 mutex_lock(&data->update_lock);
642
643 if ((data->vrm_ovt & 0x01) &&
644 (w83627thf == data->type || w83637hf == data->type
645 || w83687thf == data->type))
646
647 /* use VRM9 calculation */
648 data->in_max[0] =
649 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
650 else
651 /* use VRM8 (standard) calculation */
652 data->in_max[0] = IN_TO_REG(val);
653
654 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
655 mutex_unlock(&data->update_lock);
656 return count;
657 }
658
659 static DEVICE_ATTR_RO(in0_input);
660 static DEVICE_ATTR_RW(in0_min);
661 static DEVICE_ATTR_RW(in0_max);
662
663 static ssize_t
664 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
665 {
666 int nr = to_sensor_dev_attr(devattr)->index;
667 struct w83627hf_data *data = w83627hf_update_device(dev);
668 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
669 (long)DIV_FROM_REG(data->fan_div[nr])));
670 }
671 static ssize_t
672 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
673 {
674 int nr = to_sensor_dev_attr(devattr)->index;
675 struct w83627hf_data *data = w83627hf_update_device(dev);
676 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
677 (long)DIV_FROM_REG(data->fan_div[nr])));
678 }
679 static ssize_t
680 store_fan_min(struct device *dev, struct device_attribute *devattr,
681 const char *buf, size_t count)
682 {
683 int nr = to_sensor_dev_attr(devattr)->index;
684 struct w83627hf_data *data = dev_get_drvdata(dev);
685 unsigned long val;
686 int err;
687
688 err = kstrtoul(buf, 10, &val);
689 if (err)
690 return err;
691
692 mutex_lock(&data->update_lock);
693 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
694 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
695 data->fan_min[nr]);
696
697 mutex_unlock(&data->update_lock);
698 return count;
699 }
700 #define sysfs_fan_decl(offset) \
701 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
702 show_fan_input, NULL, offset - 1); \
703 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
704 show_fan_min, store_fan_min, offset - 1);
705
706 sysfs_fan_decl(1);
707 sysfs_fan_decl(2);
708 sysfs_fan_decl(3);
709
710 static ssize_t
711 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
712 {
713 int nr = to_sensor_dev_attr(devattr)->index;
714 struct w83627hf_data *data = w83627hf_update_device(dev);
715
716 u16 tmp = data->temp[nr];
717 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
718 : (long) TEMP_FROM_REG(tmp));
719 }
720
721 static ssize_t
722 show_temp_max(struct device *dev, struct device_attribute *devattr,
723 char *buf)
724 {
725 int nr = to_sensor_dev_attr(devattr)->index;
726 struct w83627hf_data *data = w83627hf_update_device(dev);
727
728 u16 tmp = data->temp_max[nr];
729 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
730 : (long) TEMP_FROM_REG(tmp));
731 }
732
733 static ssize_t
734 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
735 char *buf)
736 {
737 int nr = to_sensor_dev_attr(devattr)->index;
738 struct w83627hf_data *data = w83627hf_update_device(dev);
739
740 u16 tmp = data->temp_max_hyst[nr];
741 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
742 : (long) TEMP_FROM_REG(tmp));
743 }
744
745 static ssize_t
746 store_temp_max(struct device *dev, struct device_attribute *devattr,
747 const char *buf, size_t count)
748 {
749 int nr = to_sensor_dev_attr(devattr)->index;
750 struct w83627hf_data *data = dev_get_drvdata(dev);
751 u16 tmp;
752 long val;
753 int err;
754
755 err = kstrtol(buf, 10, &val);
756 if (err)
757 return err;
758
759 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
760 mutex_lock(&data->update_lock);
761 data->temp_max[nr] = tmp;
762 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
763 mutex_unlock(&data->update_lock);
764 return count;
765 }
766
767 static ssize_t
768 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
769 const char *buf, size_t count)
770 {
771 int nr = to_sensor_dev_attr(devattr)->index;
772 struct w83627hf_data *data = dev_get_drvdata(dev);
773 u16 tmp;
774 long val;
775 int err;
776
777 err = kstrtol(buf, 10, &val);
778 if (err)
779 return err;
780
781 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
782 mutex_lock(&data->update_lock);
783 data->temp_max_hyst[nr] = tmp;
784 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
785 mutex_unlock(&data->update_lock);
786 return count;
787 }
788
789 #define sysfs_temp_decl(offset) \
790 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
791 show_temp, NULL, offset - 1); \
792 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \
793 show_temp_max, store_temp_max, offset - 1); \
794 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \
795 show_temp_max_hyst, store_temp_max_hyst, offset - 1);
796
797 sysfs_temp_decl(1);
798 sysfs_temp_decl(2);
799 sysfs_temp_decl(3);
800
801 static ssize_t
802 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
803 {
804 struct w83627hf_data *data = w83627hf_update_device(dev);
805 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
806 }
807 static DEVICE_ATTR_RO(cpu0_vid);
808
809 static ssize_t
810 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
811 {
812 struct w83627hf_data *data = dev_get_drvdata(dev);
813 return sprintf(buf, "%ld\n", (long) data->vrm);
814 }
815 static ssize_t
816 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
817 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
827 if (val > 255)
828 return -EINVAL;
829 data->vrm = val;
830
831 return count;
832 }
833 static DEVICE_ATTR_RW(vrm);
834
835 static ssize_t
836 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
837 {
838 struct w83627hf_data *data = w83627hf_update_device(dev);
839 return sprintf(buf, "%ld\n", (long) data->alarms);
840 }
841 static DEVICE_ATTR_RO(alarms);
842
843 static ssize_t
844 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
845 {
846 struct w83627hf_data *data = w83627hf_update_device(dev);
847 int bitnr = to_sensor_dev_attr(attr)->index;
848 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
849 }
850 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
851 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
852 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
853 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
854 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
855 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
856 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
857 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
858 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
859 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
860 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
861 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
862 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
863 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
864 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
865
866 static ssize_t
867 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
868 {
869 struct w83627hf_data *data = w83627hf_update_device(dev);
870 return sprintf(buf, "%ld\n",
871 (long)BEEP_MASK_FROM_REG(data->beep_mask));
872 }
873
874 static ssize_t
875 beep_mask_store(struct device *dev, struct device_attribute *attr,
876 const char *buf, size_t count)
877 {
878 struct w83627hf_data *data = dev_get_drvdata(dev);
879 unsigned long val;
880 int err;
881
882 err = kstrtoul(buf, 10, &val);
883 if (err)
884 return err;
885
886 mutex_lock(&data->update_lock);
887
888 /* preserve beep enable */
889 data->beep_mask = (data->beep_mask & 0x8000)
890 | BEEP_MASK_TO_REG(val);
891 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
892 data->beep_mask & 0xff);
893 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
894 ((data->beep_mask) >> 16) & 0xff);
895 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
896 (data->beep_mask >> 8) & 0xff);
897
898 mutex_unlock(&data->update_lock);
899 return count;
900 }
901
902 static DEVICE_ATTR_RW(beep_mask);
903
904 static ssize_t
905 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
906 {
907 struct w83627hf_data *data = w83627hf_update_device(dev);
908 int bitnr = to_sensor_dev_attr(attr)->index;
909 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
910 }
911
912 static ssize_t
913 store_beep(struct device *dev, struct device_attribute *attr,
914 const char *buf, size_t count)
915 {
916 struct w83627hf_data *data = dev_get_drvdata(dev);
917 int bitnr = to_sensor_dev_attr(attr)->index;
918 u8 reg;
919 unsigned long bit;
920 int err;
921
922 err = kstrtoul(buf, 10, &bit);
923 if (err)
924 return err;
925
926 if (bit & ~1)
927 return -EINVAL;
928
929 mutex_lock(&data->update_lock);
930 if (bit)
931 data->beep_mask |= (1 << bitnr);
932 else
933 data->beep_mask &= ~(1 << bitnr);
934
935 if (bitnr < 8) {
936 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
937 if (bit)
938 reg |= (1 << bitnr);
939 else
940 reg &= ~(1 << bitnr);
941 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
942 } else if (bitnr < 16) {
943 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
944 if (bit)
945 reg |= (1 << (bitnr - 8));
946 else
947 reg &= ~(1 << (bitnr - 8));
948 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
949 } else {
950 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
951 if (bit)
952 reg |= (1 << (bitnr - 16));
953 else
954 reg &= ~(1 << (bitnr - 16));
955 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
956 }
957 mutex_unlock(&data->update_lock);
958
959 return count;
960 }
961
962 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
963 show_beep, store_beep, 0);
964 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
965 show_beep, store_beep, 1);
966 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
967 show_beep, store_beep, 2);
968 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
969 show_beep, store_beep, 3);
970 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
971 show_beep, store_beep, 8);
972 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
973 show_beep, store_beep, 9);
974 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
975 show_beep, store_beep, 10);
976 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
977 show_beep, store_beep, 16);
978 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
979 show_beep, store_beep, 17);
980 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
981 show_beep, store_beep, 6);
982 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
983 show_beep, store_beep, 7);
984 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
985 show_beep, store_beep, 11);
986 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
987 show_beep, store_beep, 4);
988 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
989 show_beep, store_beep, 5);
990 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
991 show_beep, store_beep, 13);
992 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
993 show_beep, store_beep, 15);
994
995 static ssize_t
996 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
997 {
998 int nr = to_sensor_dev_attr(devattr)->index;
999 struct w83627hf_data *data = w83627hf_update_device(dev);
1000 return sprintf(buf, "%ld\n",
1001 (long) DIV_FROM_REG(data->fan_div[nr]));
1002 }
1003 /*
1004 * Note: we save and restore the fan minimum here, because its value is
1005 * determined in part by the fan divisor. This follows the principle of
1006 * least surprise; the user doesn't expect the fan minimum to change just
1007 * because the divisor changed.
1008 */
1009 static ssize_t
1010 store_fan_div(struct device *dev, struct device_attribute *devattr,
1011 const char *buf, size_t count)
1012 {
1013 int nr = to_sensor_dev_attr(devattr)->index;
1014 struct w83627hf_data *data = dev_get_drvdata(dev);
1015 unsigned long min;
1016 u8 reg;
1017 unsigned long val;
1018 int err;
1019
1020 err = kstrtoul(buf, 10, &val);
1021 if (err)
1022 return err;
1023
1024 mutex_lock(&data->update_lock);
1025
1026 /* Save fan_min */
1027 min = FAN_FROM_REG(data->fan_min[nr],
1028 DIV_FROM_REG(data->fan_div[nr]));
1029
1030 data->fan_div[nr] = DIV_TO_REG(val);
1031
1032 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1033 & (nr==0 ? 0xcf : 0x3f))
1034 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1035 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1036
1037 reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1038 & ~(1 << (5 + nr)))
1039 | ((data->fan_div[nr] & 0x04) << (3 + nr));
1040 w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1041
1042 /* Restore fan_min */
1043 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1044 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1045
1046 mutex_unlock(&data->update_lock);
1047 return count;
1048 }
1049
1050 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1051 show_fan_div, store_fan_div, 0);
1052 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1053 show_fan_div, store_fan_div, 1);
1054 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1055 show_fan_div, store_fan_div, 2);
1056
1057 static ssize_t
1058 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1059 {
1060 int nr = to_sensor_dev_attr(devattr)->index;
1061 struct w83627hf_data *data = w83627hf_update_device(dev);
1062 return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1063 }
1064
1065 static ssize_t
1066 store_pwm(struct device *dev, struct device_attribute *devattr,
1067 const char *buf, size_t count)
1068 {
1069 int nr = to_sensor_dev_attr(devattr)->index;
1070 struct w83627hf_data *data = dev_get_drvdata(dev);
1071 unsigned long val;
1072 int err;
1073
1074 err = kstrtoul(buf, 10, &val);
1075 if (err)
1076 return err;
1077
1078 mutex_lock(&data->update_lock);
1079
1080 if (data->type == w83627thf) {
1081 /* bits 0-3 are reserved in 627THF */
1082 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1083 w83627hf_write_value(data,
1084 W836X7HF_REG_PWM(data->type, nr),
1085 data->pwm[nr] |
1086 (w83627hf_read_value(data,
1087 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1088 } else {
1089 data->pwm[nr] = PWM_TO_REG(val);
1090 w83627hf_write_value(data,
1091 W836X7HF_REG_PWM(data->type, nr),
1092 data->pwm[nr]);
1093 }
1094
1095 mutex_unlock(&data->update_lock);
1096 return count;
1097 }
1098
1099 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1100 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1101 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1102
1103 static ssize_t
1104 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1105 {
1106 int nr = to_sensor_dev_attr(devattr)->index;
1107 struct w83627hf_data *data = w83627hf_update_device(dev);
1108 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1109 }
1110
1111 static ssize_t
1112 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1113 const char *buf, size_t count)
1114 {
1115 int nr = to_sensor_dev_attr(devattr)->index;
1116 struct w83627hf_data *data = dev_get_drvdata(dev);
1117 u8 reg;
1118 unsigned long val;
1119 int err;
1120
1121 err = kstrtoul(buf, 10, &val);
1122 if (err)
1123 return err;
1124
1125 if (!val || val > 3) /* modes 1, 2 and 3 are supported */
1126 return -EINVAL;
1127 mutex_lock(&data->update_lock);
1128 data->pwm_enable[nr] = val;
1129 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1130 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1131 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1132 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1133 mutex_unlock(&data->update_lock);
1134 return count;
1135 }
1136
1137 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1138 store_pwm_enable, 0);
1139 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1140 store_pwm_enable, 1);
1141 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1142 store_pwm_enable, 2);
1143
1144 static ssize_t
1145 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1146 {
1147 int nr = to_sensor_dev_attr(devattr)->index;
1148 struct w83627hf_data *data = w83627hf_update_device(dev);
1149 if (data->type == w83627hf)
1150 return sprintf(buf, "%ld\n",
1151 pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1152 else
1153 return sprintf(buf, "%ld\n",
1154 pwm_freq_from_reg(data->pwm_freq[nr]));
1155 }
1156
1157 static ssize_t
1158 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1159 const char *buf, size_t count)
1160 {
1161 int nr = to_sensor_dev_attr(devattr)->index;
1162 struct w83627hf_data *data = dev_get_drvdata(dev);
1163 static const u8 mask[]={0xF8, 0x8F};
1164 unsigned long val;
1165 int err;
1166
1167 err = kstrtoul(buf, 10, &val);
1168 if (err)
1169 return err;
1170
1171 mutex_lock(&data->update_lock);
1172
1173 if (data->type == w83627hf) {
1174 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1175 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1176 (data->pwm_freq[nr] << (nr*4)) |
1177 (w83627hf_read_value(data,
1178 W83627HF_REG_PWM_FREQ) & mask[nr]));
1179 } else {
1180 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1181 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1182 data->pwm_freq[nr]);
1183 }
1184
1185 mutex_unlock(&data->update_lock);
1186 return count;
1187 }
1188
1189 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1190 show_pwm_freq, store_pwm_freq, 0);
1191 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1192 show_pwm_freq, store_pwm_freq, 1);
1193 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1194 show_pwm_freq, store_pwm_freq, 2);
1195
1196 static ssize_t
1197 show_temp_type(struct device *dev, struct device_attribute *devattr,
1198 char *buf)
1199 {
1200 int nr = to_sensor_dev_attr(devattr)->index;
1201 struct w83627hf_data *data = w83627hf_update_device(dev);
1202 return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1203 }
1204
1205 static ssize_t
1206 store_temp_type(struct device *dev, struct device_attribute *devattr,
1207 const char *buf, size_t count)
1208 {
1209 int nr = to_sensor_dev_attr(devattr)->index;
1210 struct w83627hf_data *data = dev_get_drvdata(dev);
1211 unsigned long val;
1212 u32 tmp;
1213 int err;
1214
1215 err = kstrtoul(buf, 10, &val);
1216 if (err)
1217 return err;
1218
1219 mutex_lock(&data->update_lock);
1220
1221 switch (val) {
1222 case 1: /* PII/Celeron diode */
1223 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1224 w83627hf_write_value(data, W83781D_REG_SCFG1,
1225 tmp | BIT_SCFG1[nr]);
1226 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1227 w83627hf_write_value(data, W83781D_REG_SCFG2,
1228 tmp | BIT_SCFG2[nr]);
1229 data->sens[nr] = val;
1230 break;
1231 case 2: /* 3904 */
1232 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1233 w83627hf_write_value(data, W83781D_REG_SCFG1,
1234 tmp | BIT_SCFG1[nr]);
1235 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1236 w83627hf_write_value(data, W83781D_REG_SCFG2,
1237 tmp & ~BIT_SCFG2[nr]);
1238 data->sens[nr] = val;
1239 break;
1240 case W83781D_DEFAULT_BETA:
1241 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1242 "instead\n", W83781D_DEFAULT_BETA);
1243 /* fall through */
1244 case 4: /* thermistor */
1245 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1246 w83627hf_write_value(data, W83781D_REG_SCFG1,
1247 tmp & ~BIT_SCFG1[nr]);
1248 data->sens[nr] = val;
1249 break;
1250 default:
1251 dev_err(dev,
1252 "Invalid sensor type %ld; must be 1, 2, or 4\n",
1253 (long) val);
1254 break;
1255 }
1256
1257 mutex_unlock(&data->update_lock);
1258 return count;
1259 }
1260
1261 #define sysfs_temp_type(offset) \
1262 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1263 show_temp_type, store_temp_type, offset - 1);
1264
1265 sysfs_temp_type(1);
1266 sysfs_temp_type(2);
1267 sysfs_temp_type(3);
1268
1269 static ssize_t
1270 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1271 {
1272 struct w83627hf_data *data = dev_get_drvdata(dev);
1273
1274 return sprintf(buf, "%s\n", data->name);
1275 }
1276 static DEVICE_ATTR_RO(name);
1277
1278 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1279 struct w83627hf_sio_data *sio_data)
1280 {
1281 int err = -ENODEV;
1282 u16 val;
1283
1284 static __initconst char *const names[] = {
1285 "W83627HF",
1286 "W83627THF",
1287 "W83697HF",
1288 "W83637HF",
1289 "W83687THF",
1290 };
1291
1292 sio_data->sioaddr = sioaddr;
1293 superio_enter(sio_data);
1294 val = force_id ? force_id : superio_inb(sio_data, DEVID);
1295 switch (val) {
1296 case W627_DEVID:
1297 sio_data->type = w83627hf;
1298 break;
1299 case W627THF_DEVID:
1300 sio_data->type = w83627thf;
1301 break;
1302 case W697_DEVID:
1303 sio_data->type = w83697hf;
1304 break;
1305 case W637_DEVID:
1306 sio_data->type = w83637hf;
1307 break;
1308 case W687THF_DEVID:
1309 sio_data->type = w83687thf;
1310 break;
1311 case 0xff: /* No device at all */
1312 goto exit;
1313 default:
1314 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1315 goto exit;
1316 }
1317
1318 superio_select(sio_data, W83627HF_LD_HWM);
1319 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1320 superio_inb(sio_data, WINB_BASE_REG + 1);
1321 *addr = val & WINB_ALIGNMENT;
1322 if (*addr == 0) {
1323 pr_warn("Base address not set, skipping\n");
1324 goto exit;
1325 }
1326
1327 val = superio_inb(sio_data, WINB_ACT_REG);
1328 if (!(val & 0x01)) {
1329 pr_warn("Enabling HWM logical device\n");
1330 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1331 }
1332
1333 err = 0;
1334 pr_info(DRVNAME ": Found %s chip at %#x\n",
1335 names[sio_data->type], *addr);
1336
1337 exit:
1338 superio_exit(sio_data);
1339 return err;
1340 }
1341
1342 #define VIN_UNIT_ATTRS(_X_) \
1343 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
1344 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
1345 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
1346 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
1347 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1348
1349 #define FAN_UNIT_ATTRS(_X_) \
1350 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
1351 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
1352 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
1353 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
1354 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1355
1356 #define TEMP_UNIT_ATTRS(_X_) \
1357 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
1358 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
1359 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
1360 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
1361 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
1362 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1363
1364 static struct attribute *w83627hf_attributes[] = {
1365 &dev_attr_in0_input.attr,
1366 &dev_attr_in0_min.attr,
1367 &dev_attr_in0_max.attr,
1368 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1369 &sensor_dev_attr_in0_beep.dev_attr.attr,
1370 VIN_UNIT_ATTRS(2),
1371 VIN_UNIT_ATTRS(3),
1372 VIN_UNIT_ATTRS(4),
1373 VIN_UNIT_ATTRS(7),
1374 VIN_UNIT_ATTRS(8),
1375
1376 FAN_UNIT_ATTRS(1),
1377 FAN_UNIT_ATTRS(2),
1378
1379 TEMP_UNIT_ATTRS(1),
1380 TEMP_UNIT_ATTRS(2),
1381
1382 &dev_attr_alarms.attr,
1383 &sensor_dev_attr_beep_enable.dev_attr.attr,
1384 &dev_attr_beep_mask.attr,
1385
1386 &sensor_dev_attr_pwm1.dev_attr.attr,
1387 &sensor_dev_attr_pwm2.dev_attr.attr,
1388 &dev_attr_name.attr,
1389 NULL
1390 };
1391
1392 static const struct attribute_group w83627hf_group = {
1393 .attrs = w83627hf_attributes,
1394 };
1395
1396 static struct attribute *w83627hf_attributes_opt[] = {
1397 VIN_UNIT_ATTRS(1),
1398 VIN_UNIT_ATTRS(5),
1399 VIN_UNIT_ATTRS(6),
1400
1401 FAN_UNIT_ATTRS(3),
1402 TEMP_UNIT_ATTRS(3),
1403 &sensor_dev_attr_pwm3.dev_attr.attr,
1404
1405 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1406 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1407 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1408
1409 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1410 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1411 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1412
1413 NULL
1414 };
1415
1416 static const struct attribute_group w83627hf_group_opt = {
1417 .attrs = w83627hf_attributes_opt,
1418 };
1419
1420 static int w83627hf_probe(struct platform_device *pdev)
1421 {
1422 struct device *dev = &pdev->dev;
1423 struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1424 struct w83627hf_data *data;
1425 struct resource *res;
1426 int err, i;
1427
1428 static const char *names[] = {
1429 "w83627hf",
1430 "w83627thf",
1431 "w83697hf",
1432 "w83637hf",
1433 "w83687thf",
1434 };
1435
1436 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1437 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1438 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1439 (unsigned long)res->start,
1440 (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1441 return -EBUSY;
1442 }
1443
1444 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1445 if (!data)
1446 return -ENOMEM;
1447
1448 data->addr = res->start;
1449 data->type = sio_data->type;
1450 data->name = names[sio_data->type];
1451 mutex_init(&data->lock);
1452 mutex_init(&data->update_lock);
1453 platform_set_drvdata(pdev, data);
1454
1455 /* Initialize the chip */
1456 w83627hf_init_device(pdev);
1457
1458 /* A few vars need to be filled upon startup */
1459 for (i = 0; i <= 2; i++)
1460 data->fan_min[i] = w83627hf_read_value(
1461 data, W83627HF_REG_FAN_MIN(i));
1462 w83627hf_update_fan_div(data);
1463
1464 /* Register common device attributes */
1465 err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1466 if (err)
1467 return err;
1468
1469 /* Register chip-specific device attributes */
1470 if (data->type == w83627hf || data->type == w83697hf)
1471 if ((err = device_create_file(dev,
1472 &sensor_dev_attr_in5_input.dev_attr))
1473 || (err = device_create_file(dev,
1474 &sensor_dev_attr_in5_min.dev_attr))
1475 || (err = device_create_file(dev,
1476 &sensor_dev_attr_in5_max.dev_attr))
1477 || (err = device_create_file(dev,
1478 &sensor_dev_attr_in5_alarm.dev_attr))
1479 || (err = device_create_file(dev,
1480 &sensor_dev_attr_in5_beep.dev_attr))
1481 || (err = device_create_file(dev,
1482 &sensor_dev_attr_in6_input.dev_attr))
1483 || (err = device_create_file(dev,
1484 &sensor_dev_attr_in6_min.dev_attr))
1485 || (err = device_create_file(dev,
1486 &sensor_dev_attr_in6_max.dev_attr))
1487 || (err = device_create_file(dev,
1488 &sensor_dev_attr_in6_alarm.dev_attr))
1489 || (err = device_create_file(dev,
1490 &sensor_dev_attr_in6_beep.dev_attr))
1491 || (err = device_create_file(dev,
1492 &sensor_dev_attr_pwm1_freq.dev_attr))
1493 || (err = device_create_file(dev,
1494 &sensor_dev_attr_pwm2_freq.dev_attr)))
1495 goto error;
1496
1497 if (data->type != w83697hf)
1498 if ((err = device_create_file(dev,
1499 &sensor_dev_attr_in1_input.dev_attr))
1500 || (err = device_create_file(dev,
1501 &sensor_dev_attr_in1_min.dev_attr))
1502 || (err = device_create_file(dev,
1503 &sensor_dev_attr_in1_max.dev_attr))
1504 || (err = device_create_file(dev,
1505 &sensor_dev_attr_in1_alarm.dev_attr))
1506 || (err = device_create_file(dev,
1507 &sensor_dev_attr_in1_beep.dev_attr))
1508 || (err = device_create_file(dev,
1509 &sensor_dev_attr_fan3_input.dev_attr))
1510 || (err = device_create_file(dev,
1511 &sensor_dev_attr_fan3_min.dev_attr))
1512 || (err = device_create_file(dev,
1513 &sensor_dev_attr_fan3_div.dev_attr))
1514 || (err = device_create_file(dev,
1515 &sensor_dev_attr_fan3_alarm.dev_attr))
1516 || (err = device_create_file(dev,
1517 &sensor_dev_attr_fan3_beep.dev_attr))
1518 || (err = device_create_file(dev,
1519 &sensor_dev_attr_temp3_input.dev_attr))
1520 || (err = device_create_file(dev,
1521 &sensor_dev_attr_temp3_max.dev_attr))
1522 || (err = device_create_file(dev,
1523 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1524 || (err = device_create_file(dev,
1525 &sensor_dev_attr_temp3_alarm.dev_attr))
1526 || (err = device_create_file(dev,
1527 &sensor_dev_attr_temp3_beep.dev_attr))
1528 || (err = device_create_file(dev,
1529 &sensor_dev_attr_temp3_type.dev_attr)))
1530 goto error;
1531
1532 if (data->type != w83697hf && data->vid != 0xff) {
1533 /* Convert VID to voltage based on VRM */
1534 data->vrm = vid_which_vrm();
1535
1536 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1537 || (err = device_create_file(dev, &dev_attr_vrm)))
1538 goto error;
1539 }
1540
1541 if (data->type == w83627thf || data->type == w83637hf
1542 || data->type == w83687thf) {
1543 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1544 if (err)
1545 goto error;
1546 }
1547
1548 if (data->type == w83637hf || data->type == w83687thf)
1549 if ((err = device_create_file(dev,
1550 &sensor_dev_attr_pwm1_freq.dev_attr))
1551 || (err = device_create_file(dev,
1552 &sensor_dev_attr_pwm2_freq.dev_attr))
1553 || (err = device_create_file(dev,
1554 &sensor_dev_attr_pwm3_freq.dev_attr)))
1555 goto error;
1556
1557 if (data->type != w83627hf)
1558 if ((err = device_create_file(dev,
1559 &sensor_dev_attr_pwm1_enable.dev_attr))
1560 || (err = device_create_file(dev,
1561 &sensor_dev_attr_pwm2_enable.dev_attr)))
1562 goto error;
1563
1564 if (data->type == w83627thf || data->type == w83637hf
1565 || data->type == w83687thf) {
1566 err = device_create_file(dev,
1567 &sensor_dev_attr_pwm3_enable.dev_attr);
1568 if (err)
1569 goto error;
1570 }
1571
1572 data->hwmon_dev = hwmon_device_register(dev);
1573 if (IS_ERR(data->hwmon_dev)) {
1574 err = PTR_ERR(data->hwmon_dev);
1575 goto error;
1576 }
1577
1578 return 0;
1579
1580 error:
1581 sysfs_remove_group(&dev->kobj, &w83627hf_group);
1582 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1583 return err;
1584 }
1585
1586 static int w83627hf_remove(struct platform_device *pdev)
1587 {
1588 struct w83627hf_data *data = platform_get_drvdata(pdev);
1589
1590 hwmon_device_unregister(data->hwmon_dev);
1591
1592 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1593 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1594
1595 return 0;
1596 }
1597
1598
1599 /* Registers 0x50-0x5f are banked */
1600 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1601 {
1602 if ((reg & 0x00f0) == 0x50) {
1603 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1604 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1605 }
1606 }
1607
1608 /* Not strictly necessary, but play it safe for now */
1609 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1610 {
1611 if (reg & 0xff00) {
1612 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1613 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1614 }
1615 }
1616
1617 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1618 {
1619 int res, word_sized;
1620
1621 mutex_lock(&data->lock);
1622 word_sized = (((reg & 0xff00) == 0x100)
1623 || ((reg & 0xff00) == 0x200))
1624 && (((reg & 0x00ff) == 0x50)
1625 || ((reg & 0x00ff) == 0x53)
1626 || ((reg & 0x00ff) == 0x55));
1627 w83627hf_set_bank(data, reg);
1628 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1629 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1630 if (word_sized) {
1631 outb_p((reg & 0xff) + 1,
1632 data->addr + W83781D_ADDR_REG_OFFSET);
1633 res =
1634 (res << 8) + inb_p(data->addr +
1635 W83781D_DATA_REG_OFFSET);
1636 }
1637 w83627hf_reset_bank(data, reg);
1638 mutex_unlock(&data->lock);
1639 return res;
1640 }
1641
1642 static int w83627thf_read_gpio5(struct platform_device *pdev)
1643 {
1644 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1645 int res = 0xff, sel;
1646
1647 superio_enter(sio_data);
1648 superio_select(sio_data, W83627HF_LD_GPIO5);
1649
1650 /* Make sure these GPIO pins are enabled */
1651 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1652 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1653 goto exit;
1654 }
1655
1656 /*
1657 * Make sure the pins are configured for input
1658 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1659 */
1660 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1661 if ((sel & 0x1f) != 0x1f) {
1662 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1663 "function\n");
1664 goto exit;
1665 }
1666
1667 dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1668 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1669
1670 exit:
1671 superio_exit(sio_data);
1672 return res;
1673 }
1674
1675 static int w83687thf_read_vid(struct platform_device *pdev)
1676 {
1677 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1678 int res = 0xff;
1679
1680 superio_enter(sio_data);
1681 superio_select(sio_data, W83627HF_LD_HWM);
1682
1683 /* Make sure these GPIO pins are enabled */
1684 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1685 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1686 goto exit;
1687 }
1688
1689 /* Make sure the pins are configured for input */
1690 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1691 dev_dbg(&pdev->dev, "VID configured as output, "
1692 "no VID function\n");
1693 goto exit;
1694 }
1695
1696 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1697
1698 exit:
1699 superio_exit(sio_data);
1700 return res;
1701 }
1702
1703 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1704 {
1705 int word_sized;
1706
1707 mutex_lock(&data->lock);
1708 word_sized = (((reg & 0xff00) == 0x100)
1709 || ((reg & 0xff00) == 0x200))
1710 && (((reg & 0x00ff) == 0x53)
1711 || ((reg & 0x00ff) == 0x55));
1712 w83627hf_set_bank(data, reg);
1713 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1714 if (word_sized) {
1715 outb_p(value >> 8,
1716 data->addr + W83781D_DATA_REG_OFFSET);
1717 outb_p((reg & 0xff) + 1,
1718 data->addr + W83781D_ADDR_REG_OFFSET);
1719 }
1720 outb_p(value & 0xff,
1721 data->addr + W83781D_DATA_REG_OFFSET);
1722 w83627hf_reset_bank(data, reg);
1723 mutex_unlock(&data->lock);
1724 return 0;
1725 }
1726
1727 static void w83627hf_init_device(struct platform_device *pdev)
1728 {
1729 struct w83627hf_data *data = platform_get_drvdata(pdev);
1730 int i;
1731 enum chips type = data->type;
1732 u8 tmp;
1733
1734 /* Minimize conflicts with other winbond i2c-only clients... */
1735 /* disable i2c subclients... how to disable main i2c client?? */
1736 /* force i2c address to relatively uncommon address */
1737 if (type == w83627hf) {
1738 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1739 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1740 }
1741
1742 /* Read VID only once */
1743 if (type == w83627hf || type == w83637hf) {
1744 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1745 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1746 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1747 } else if (type == w83627thf) {
1748 data->vid = w83627thf_read_gpio5(pdev);
1749 } else if (type == w83687thf) {
1750 data->vid = w83687thf_read_vid(pdev);
1751 }
1752
1753 /* Read VRM & OVT Config only once */
1754 if (type == w83627thf || type == w83637hf || type == w83687thf) {
1755 data->vrm_ovt =
1756 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1757 }
1758
1759 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1760 for (i = 1; i <= 3; i++) {
1761 if (!(tmp & BIT_SCFG1[i - 1])) {
1762 data->sens[i - 1] = 4;
1763 } else {
1764 if (w83627hf_read_value
1765 (data,
1766 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1767 data->sens[i - 1] = 1;
1768 else
1769 data->sens[i - 1] = 2;
1770 }
1771 if ((type == w83697hf) && (i == 2))
1772 break;
1773 }
1774
1775 if(init) {
1776 /* Enable temp2 */
1777 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1778 if (tmp & 0x01) {
1779 dev_warn(&pdev->dev, "Enabling temp2, readings "
1780 "might not make sense\n");
1781 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1782 tmp & 0xfe);
1783 }
1784
1785 /* Enable temp3 */
1786 if (type != w83697hf) {
1787 tmp = w83627hf_read_value(data,
1788 W83627HF_REG_TEMP3_CONFIG);
1789 if (tmp & 0x01) {
1790 dev_warn(&pdev->dev, "Enabling temp3, "
1791 "readings might not make sense\n");
1792 w83627hf_write_value(data,
1793 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1794 }
1795 }
1796 }
1797
1798 /* Start monitoring */
1799 w83627hf_write_value(data, W83781D_REG_CONFIG,
1800 (w83627hf_read_value(data,
1801 W83781D_REG_CONFIG) & 0xf7)
1802 | 0x01);
1803
1804 /* Enable VBAT monitoring if needed */
1805 tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1806 if (!(tmp & 0x01))
1807 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1808 }
1809
1810 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1811 {
1812 int reg;
1813
1814 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1815 data->fan_div[0] = (reg >> 4) & 0x03;
1816 data->fan_div[1] = (reg >> 6) & 0x03;
1817 if (data->type != w83697hf) {
1818 data->fan_div[2] = (w83627hf_read_value(data,
1819 W83781D_REG_PIN) >> 6) & 0x03;
1820 }
1821 reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1822 data->fan_div[0] |= (reg >> 3) & 0x04;
1823 data->fan_div[1] |= (reg >> 4) & 0x04;
1824 if (data->type != w83697hf)
1825 data->fan_div[2] |= (reg >> 5) & 0x04;
1826 }
1827
1828 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1829 {
1830 struct w83627hf_data *data = dev_get_drvdata(dev);
1831 int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1832 int num_pwms = (data->type == w83697hf) ? 2 : 3;
1833
1834 mutex_lock(&data->update_lock);
1835
1836 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1837 || !data->valid) {
1838 for (i = 0; i <= 8; i++) {
1839 /* skip missing sensors */
1840 if (((data->type == w83697hf) && (i == 1)) ||
1841 ((data->type != w83627hf && data->type != w83697hf)
1842 && (i == 5 || i == 6)))
1843 continue;
1844 data->in[i] =
1845 w83627hf_read_value(data, W83781D_REG_IN(i));
1846 data->in_min[i] =
1847 w83627hf_read_value(data,
1848 W83781D_REG_IN_MIN(i));
1849 data->in_max[i] =
1850 w83627hf_read_value(data,
1851 W83781D_REG_IN_MAX(i));
1852 }
1853 for (i = 0; i <= 2; i++) {
1854 data->fan[i] =
1855 w83627hf_read_value(data, W83627HF_REG_FAN(i));
1856 data->fan_min[i] =
1857 w83627hf_read_value(data,
1858 W83627HF_REG_FAN_MIN(i));
1859 }
1860 for (i = 0; i <= 2; i++) {
1861 u8 tmp = w83627hf_read_value(data,
1862 W836X7HF_REG_PWM(data->type, i));
1863 /* bits 0-3 are reserved in 627THF */
1864 if (data->type == w83627thf)
1865 tmp &= 0xf0;
1866 data->pwm[i] = tmp;
1867 if (i == 1 &&
1868 (data->type == w83627hf || data->type == w83697hf))
1869 break;
1870 }
1871 if (data->type == w83627hf) {
1872 u8 tmp = w83627hf_read_value(data,
1873 W83627HF_REG_PWM_FREQ);
1874 data->pwm_freq[0] = tmp & 0x07;
1875 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1876 } else if (data->type != w83627thf) {
1877 for (i = 1; i <= 3; i++) {
1878 data->pwm_freq[i - 1] =
1879 w83627hf_read_value(data,
1880 W83637HF_REG_PWM_FREQ[i - 1]);
1881 if (i == 2 && (data->type == w83697hf))
1882 break;
1883 }
1884 }
1885 if (data->type != w83627hf) {
1886 for (i = 0; i < num_pwms; i++) {
1887 u8 tmp = w83627hf_read_value(data,
1888 W83627THF_REG_PWM_ENABLE[i]);
1889 data->pwm_enable[i] =
1890 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1891 & 0x03) + 1;
1892 }
1893 }
1894 for (i = 0; i < num_temps; i++) {
1895 data->temp[i] = w83627hf_read_value(
1896 data, w83627hf_reg_temp[i]);
1897 data->temp_max[i] = w83627hf_read_value(
1898 data, w83627hf_reg_temp_over[i]);
1899 data->temp_max_hyst[i] = w83627hf_read_value(
1900 data, w83627hf_reg_temp_hyst[i]);
1901 }
1902
1903 w83627hf_update_fan_div(data);
1904
1905 data->alarms =
1906 w83627hf_read_value(data, W83781D_REG_ALARM1) |
1907 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1908 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1909 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1910 data->beep_mask = (i << 8) |
1911 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1912 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1913 data->last_updated = jiffies;
1914 data->valid = 1;
1915 }
1916
1917 mutex_unlock(&data->update_lock);
1918
1919 return data;
1920 }
1921
1922 static int __init w83627hf_device_add(unsigned short address,
1923 const struct w83627hf_sio_data *sio_data)
1924 {
1925 struct resource res = {
1926 .start = address + WINB_REGION_OFFSET,
1927 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1928 .name = DRVNAME,
1929 .flags = IORESOURCE_IO,
1930 };
1931 int err;
1932
1933 err = acpi_check_resource_conflict(&res);
1934 if (err)
1935 goto exit;
1936
1937 pdev = platform_device_alloc(DRVNAME, address);
1938 if (!pdev) {
1939 err = -ENOMEM;
1940 pr_err("Device allocation failed\n");
1941 goto exit;
1942 }
1943
1944 err = platform_device_add_resources(pdev, &res, 1);
1945 if (err) {
1946 pr_err("Device resource addition failed (%d)\n", err);
1947 goto exit_device_put;
1948 }
1949
1950 err = platform_device_add_data(pdev, sio_data,
1951 sizeof(struct w83627hf_sio_data));
1952 if (err) {
1953 pr_err("Platform data allocation failed\n");
1954 goto exit_device_put;
1955 }
1956
1957 err = platform_device_add(pdev);
1958 if (err) {
1959 pr_err("Device addition failed (%d)\n", err);
1960 goto exit_device_put;
1961 }
1962
1963 return 0;
1964
1965 exit_device_put:
1966 platform_device_put(pdev);
1967 exit:
1968 return err;
1969 }
1970
1971 static int __init sensors_w83627hf_init(void)
1972 {
1973 int err;
1974 unsigned short address;
1975 struct w83627hf_sio_data sio_data;
1976
1977 if (w83627hf_find(0x2e, &address, &sio_data)
1978 && w83627hf_find(0x4e, &address, &sio_data))
1979 return -ENODEV;
1980
1981 err = platform_driver_register(&w83627hf_driver);
1982 if (err)
1983 goto exit;
1984
1985 /* Sets global pdev as a side effect */
1986 err = w83627hf_device_add(address, &sio_data);
1987 if (err)
1988 goto exit_driver;
1989
1990 return 0;
1991
1992 exit_driver:
1993 platform_driver_unregister(&w83627hf_driver);
1994 exit:
1995 return err;
1996 }
1997
1998 static void __exit sensors_w83627hf_exit(void)
1999 {
2000 platform_device_unregister(pdev);
2001 platform_driver_unregister(&w83627hf_driver);
2002 }
2003
2004 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2005 "Philip Edelbrock <phil@netroedge.com>, "
2006 "and Mark Studebaker <mdsxyz123@yahoo.com>");
2007 MODULE_DESCRIPTION("W83627HF driver");
2008 MODULE_LICENSE("GPL");
2009
2010 module_init(sensors_w83627hf_init);
2011 module_exit(sensors_w83627hf_exit);
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