forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathw83781d.c
2041 lines (1779 loc) · 57.3 KB
/
w83781d.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>,
and Mark Studebaker <mdsxyz123@yahoo.com>
Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
Supports following chips:
Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
as99127f 7 3 0 3 0x31 0x12c3 yes no
as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no
w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes
w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes
w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/hwmon-sysfs.h>
#include <linux/sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
#ifdef CONFIG_ISA
#include <linux/platform_device.h>
#include <linux/ioport.h>
#include <linux/io.h>
#endif
#include "lm75.h"
/* Addresses to scan */
static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
0x2e, 0x2f, I2C_CLIENT_END };
/* Insmod parameters */
I2C_CLIENT_INSMOD_4(w83781d, w83782d, w83783s, as99127f);
static unsigned short force_subclients[4];
module_param_array(force_subclients, short, NULL, 0);
MODULE_PARM_DESC(force_subclients, "List of subclient addresses: "
"{bus, clientaddr, subclientaddr1, subclientaddr2}");
static int reset;
module_param(reset, bool, 0);
MODULE_PARM_DESC(reset, "Set to one to reset chip on load");
static int init = 1;
module_param(init, bool, 0);
MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
/* Constants specified below */
/* Length of ISA address segment */
#define W83781D_EXTENT 8
/* Where are the ISA address/data registers relative to the base address */
#define W83781D_ADDR_REG_OFFSET 5
#define W83781D_DATA_REG_OFFSET 6
/* The device registers */
/* in nr from 0 to 8 */
#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
(0x554 + (((nr) - 7) * 2)))
#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
(0x555 + (((nr) - 7) * 2)))
#define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
(0x550 + (nr) - 7))
/* fan nr from 0 to 2 */
#define W83781D_REG_FAN_MIN(nr) (0x3b + (nr))
#define W83781D_REG_FAN(nr) (0x28 + (nr))
#define W83781D_REG_BANK 0x4E
#define W83781D_REG_TEMP2_CONFIG 0x152
#define W83781D_REG_TEMP3_CONFIG 0x252
/* temp nr from 1 to 3 */
#define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \
((nr == 2) ? (0x0150) : \
(0x27)))
#define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \
((nr == 2) ? (0x153) : \
(0x3A)))
#define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \
((nr == 2) ? (0x155) : \
(0x39)))
#define W83781D_REG_CONFIG 0x40
/* Interrupt status (W83781D, AS99127F) */
#define W83781D_REG_ALARM1 0x41
#define W83781D_REG_ALARM2 0x42
/* Real-time status (W83782D, W83783S) */
#define W83782D_REG_ALARM1 0x459
#define W83782D_REG_ALARM2 0x45A
#define W83782D_REG_ALARM3 0x45B
#define W83781D_REG_BEEP_CONFIG 0x4D
#define W83781D_REG_BEEP_INTS1 0x56
#define W83781D_REG_BEEP_INTS2 0x57
#define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */
#define W83781D_REG_VID_FANDIV 0x47
#define W83781D_REG_CHIPID 0x49
#define W83781D_REG_WCHIPID 0x58
#define W83781D_REG_CHIPMAN 0x4F
#define W83781D_REG_PIN 0x4B
/* 782D/783S only */
#define W83781D_REG_VBAT 0x5D
/* PWM 782D (1-4) and 783S (1-2) only */
static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F };
#define W83781D_REG_PWMCLK12 0x5C
#define W83781D_REG_PWMCLK34 0x45C
#define W83781D_REG_I2C_ADDR 0x48
#define W83781D_REG_I2C_SUBADDR 0x4A
/* The following are undocumented in the data sheets however we
received the information in an email from Winbond tech support */
/* Sensor selection - not on 781d */
#define W83781D_REG_SCFG1 0x5D
static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
#define W83781D_REG_SCFG2 0x59
static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
#define W83781D_DEFAULT_BETA 3435
/* Conversions */
#define IN_TO_REG(val) SENSORS_LIMIT(((val) + 8) / 16, 0, 255)
#define IN_FROM_REG(val) ((val) * 16)
static inline u8
FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
return 255;
rpm = SENSORS_LIMIT(rpm, 1, 1000000);
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
static inline long
FAN_FROM_REG(u8 val, int div)
{
if (val == 0)
return -1;
if (val == 255)
return 0;
return 1350000 / (val * div);
}
#define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -127, 128)
#define TEMP_FROM_REG(val) ((val) * 1000)
#define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \
(~(val)) & 0x7fff : (val) & 0xff7fff)
#define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \
(~(val)) & 0x7fff : (val) & 0xff7fff)
#define DIV_FROM_REG(val) (1 << (val))
static inline u8
DIV_TO_REG(long val, enum chips type)
{
int i;
val = SENSORS_LIMIT(val, 1,
((type == w83781d
|| type == as99127f) ? 8 : 128)) >> 1;
for (i = 0; i < 7; i++) {
if (val == 0)
break;
val >>= 1;
}
return i;
}
struct w83781d_data {
struct i2c_client *client;
struct device *hwmon_dev;
struct mutex lock;
enum chips type;
/* For ISA device only */
const char *name;
int isa_addr;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
struct i2c_client *lm75[2]; /* for secondary I2C addresses */
/* array of 2 pointers to subclients */
u8 in[9]; /* Register value - 8 & 9 for 782D only */
u8 in_max[9]; /* Register value - 8 & 9 for 782D only */
u8 in_min[9]; /* Register value - 8 & 9 for 782D only */
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
s8 temp; /* Register value */
s8 temp_max; /* Register value */
s8 temp_max_hyst; /* Register value */
u16 temp_add[2]; /* Register value */
u16 temp_max_add[2]; /* Register value */
u16 temp_max_hyst_add[2]; /* Register value */
u8 fan_div[3]; /* Register encoding, shifted right */
u8 vid; /* Register encoding, combined */
u32 alarms; /* Register encoding, combined */
u32 beep_mask; /* Register encoding, combined */
u8 pwm[4]; /* Register value */
u8 pwm2_enable; /* Boolean */
u16 sens[3]; /* 782D/783S only.
1 = pentium diode; 2 = 3904 diode;
4 = thermistor */
u8 vrm;
};
static struct w83781d_data *w83781d_data_if_isa(void);
static int w83781d_alias_detect(struct i2c_client *client, u8 chipid);
static int w83781d_read_value(struct w83781d_data *data, u16 reg);
static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value);
static struct w83781d_data *w83781d_update_device(struct device *dev);
static void w83781d_init_device(struct device *dev);
/* following are the sysfs callback functions */
#define show_in_reg(reg) \
static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = w83781d_update_device(dev); \
return sprintf(buf, "%ld\n", \
(long)IN_FROM_REG(data->reg[attr->index])); \
}
show_in_reg(in);
show_in_reg(in_min);
show_in_reg(in_max);
#define store_in_reg(REG, reg) \
static ssize_t store_in_##reg (struct device *dev, struct device_attribute \
*da, const char *buf, size_t count) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = dev_get_drvdata(dev); \
int nr = attr->index; \
u32 val; \
\
val = simple_strtoul(buf, NULL, 10); \
\
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
\
mutex_unlock(&data->update_lock); \
return count; \
}
store_in_reg(MIN, min);
store_in_reg(MAX, max);
#define sysfs_in_offsets(offset) \
static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
show_in, NULL, offset); \
static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
show_in_min, store_in_min, offset); \
static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
show_in_max, store_in_max, offset)
sysfs_in_offsets(0);
sysfs_in_offsets(1);
sysfs_in_offsets(2);
sysfs_in_offsets(3);
sysfs_in_offsets(4);
sysfs_in_offsets(5);
sysfs_in_offsets(6);
sysfs_in_offsets(7);
sysfs_in_offsets(8);
#define show_fan_reg(reg) \
static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = w83781d_update_device(dev); \
return sprintf(buf,"%ld\n", \
FAN_FROM_REG(data->reg[attr->index], \
DIV_FROM_REG(data->fan_div[attr->index]))); \
}
show_fan_reg(fan);
show_fan_reg(fan_min);
static ssize_t
store_fan_min(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
u32 val;
val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->fan_min[nr] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
w83781d_write_value(data, W83781D_REG_FAN_MIN(nr),
data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
show_fan_min, store_fan_min, 0);
static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
show_fan_min, store_fan_min, 1);
static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
show_fan_min, store_fan_min, 2);
#define show_temp_reg(reg) \
static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
char *buf) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = w83781d_update_device(dev); \
int nr = attr->index; \
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
return sprintf(buf,"%d\n", \
LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
} else { /* TEMP1 */ \
return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
} \
}
show_temp_reg(temp);
show_temp_reg(temp_max);
show_temp_reg(temp_max_hyst);
#define store_temp_reg(REG, reg) \
static ssize_t store_temp_##reg (struct device *dev, \
struct device_attribute *da, const char *buf, size_t count) \
{ \
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
struct w83781d_data *data = dev_get_drvdata(dev); \
int nr = attr->index; \
long val; \
\
val = simple_strtol(buf, NULL, 10); \
\
mutex_lock(&data->update_lock); \
\
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \
data->temp_##reg##_add[nr-2]); \
} else { /* TEMP1 */ \
data->temp_##reg = TEMP_TO_REG(val); \
w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \
data->temp_##reg); \
} \
\
mutex_unlock(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, max);
store_temp_reg(HYST, max_hyst);
#define sysfs_temp_offsets(offset) \
static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
show_temp, NULL, offset); \
static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
show_temp_max, store_temp_max, offset); \
static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
show_temp_max_hyst, store_temp_max_hyst, offset);
sysfs_temp_offsets(1);
sysfs_temp_offsets(2);
sysfs_temp_offsets(3);
static ssize_t
show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
static ssize_t
show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%ld\n", (long) data->vrm);
}
static ssize_t
store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
u32 val;
val = simple_strtoul(buf, NULL, 10);
data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
static ssize_t
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
/* The W83781D has a single alarm bit for temp2 and temp3 */
static ssize_t show_temp3_alarm(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
int bitnr = (data->type == w83781d) ? 5 : 13;
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0);
static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%ld\n",
(long)BEEP_MASK_FROM_REG(data->beep_mask, data->type));
}
static ssize_t
store_beep_mask(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
u32 val;
val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->beep_mask &= 0x8000; /* preserve beep enable */
data->beep_mask |= BEEP_MASK_TO_REG(val, data->type);
w83781d_write_value(data, W83781D_REG_BEEP_INTS1,
data->beep_mask & 0xff);
w83781d_write_value(data, W83781D_REG_BEEP_INTS2,
(data->beep_mask >> 8) & 0xff);
if (data->type != w83781d && data->type != as99127f) {
w83781d_write_value(data, W83781D_REG_BEEP_INTS3,
((data->beep_mask) >> 16) & 0xff);
}
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
show_beep_mask, store_beep_mask);
static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
}
static ssize_t
store_beep(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
unsigned long bit;
u8 reg;
bit = simple_strtoul(buf, NULL, 10);
if (bit & ~1)
return -EINVAL;
mutex_lock(&data->update_lock);
if (bit)
data->beep_mask |= (1 << bitnr);
else
data->beep_mask &= ~(1 << bitnr);
if (bitnr < 8) {
reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS1);
if (bit)
reg |= (1 << bitnr);
else
reg &= ~(1 << bitnr);
w83781d_write_value(data, W83781D_REG_BEEP_INTS1, reg);
} else if (bitnr < 16) {
reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS2);
if (bit)
reg |= (1 << (bitnr - 8));
else
reg &= ~(1 << (bitnr - 8));
w83781d_write_value(data, W83781D_REG_BEEP_INTS2, reg);
} else {
reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS3);
if (bit)
reg |= (1 << (bitnr - 16));
else
reg &= ~(1 << (bitnr - 16));
w83781d_write_value(data, W83781D_REG_BEEP_INTS3, reg);
}
mutex_unlock(&data->update_lock);
return count;
}
/* The W83781D has a single beep bit for temp2 and temp3 */
static ssize_t show_temp3_beep(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
int bitnr = (data->type == w83781d) ? 5 : 13;
return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
}
static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 0);
static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 1);
static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 2);
static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 3);
static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 8);
static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 9);
static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 10);
static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 16);
static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 17);
static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 6);
static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 7);
static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 11);
static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 4);
static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
show_beep, store_beep, 5);
static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO,
show_temp3_beep, store_beep, 13);
static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
show_beep, store_beep, 15);
static ssize_t
show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%ld\n",
(long) DIV_FROM_REG(data->fan_div[attr->index]));
}
/* Note: we save and restore the fan minimum here, because its value is
determined in part by the fan divisor. This follows the principle of
least surprise; the user doesn't expect the fan minimum to change just
because the divisor changed. */
static ssize_t
store_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
unsigned long min;
int nr = attr->index;
u8 reg;
unsigned long val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
data->fan_div[nr] = DIV_TO_REG(val, data->type);
reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
& (nr==0 ? 0xcf : 0x3f))
| ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
/* w83781d and as99127f don't have extended divisor bits */
if (data->type != w83781d && data->type != as99127f) {
reg = (w83781d_read_value(data, W83781D_REG_VBAT)
& ~(1 << (5 + nr)))
| ((data->fan_div[nr] & 0x04) << (3 + nr));
w83781d_write_value(data, W83781D_REG_VBAT, reg);
}
/* Restore fan_min */
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
show_fan_div, store_fan_div, 0);
static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
show_fan_div, store_fan_div, 1);
static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR,
show_fan_div, store_fan_div, 2);
static ssize_t
show_pwm(struct device *dev, struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%d\n", (int)data->pwm[attr->index]);
}
static ssize_t
show_pwm2_enable(struct device *dev, struct device_attribute *da, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%d\n", (int)data->pwm2_enable);
}
static ssize_t
store_pwm(struct device *dev, struct device_attribute *da, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
u32 val;
val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
w83781d_write_value(data, W83781D_REG_PWM[nr], data->pwm[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
store_pwm2_enable(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct w83781d_data *data = dev_get_drvdata(dev);
u32 val, reg;
val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
switch (val) {
case 0:
case 1:
reg = w83781d_read_value(data, W83781D_REG_PWMCLK12);
w83781d_write_value(data, W83781D_REG_PWMCLK12,
(reg & 0xf7) | (val << 3));
reg = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG);
w83781d_write_value(data, W83781D_REG_BEEP_CONFIG,
(reg & 0xef) | (!val << 4));
data->pwm2_enable = val;
break;
default:
mutex_unlock(&data->update_lock);
return -EINVAL;
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0);
static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 1);
static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 2);
static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3);
/* only PWM2 can be enabled/disabled */
static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
show_pwm2_enable, store_pwm2_enable);
static ssize_t
show_sensor(struct device *dev, struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = w83781d_update_device(dev);
return sprintf(buf, "%d\n", (int)data->sens[attr->index]);
}
static ssize_t
store_sensor(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct w83781d_data *data = dev_get_drvdata(dev);
int nr = attr->index;
u32 val, tmp;
val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
switch (val) {
case 1: /* PII/Celeron diode */
tmp = w83781d_read_value(data, W83781D_REG_SCFG1);
w83781d_write_value(data, W83781D_REG_SCFG1,
tmp | BIT_SCFG1[nr]);
tmp = w83781d_read_value(data, W83781D_REG_SCFG2);
w83781d_write_value(data, W83781D_REG_SCFG2,
tmp | BIT_SCFG2[nr]);
data->sens[nr] = val;
break;
case 2: /* 3904 */
tmp = w83781d_read_value(data, W83781D_REG_SCFG1);
w83781d_write_value(data, W83781D_REG_SCFG1,
tmp | BIT_SCFG1[nr]);
tmp = w83781d_read_value(data, W83781D_REG_SCFG2);
w83781d_write_value(data, W83781D_REG_SCFG2,
tmp & ~BIT_SCFG2[nr]);
data->sens[nr] = val;
break;
case W83781D_DEFAULT_BETA:
dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
"instead\n", W83781D_DEFAULT_BETA);
/* fall through */
case 4: /* thermistor */
tmp = w83781d_read_value(data, W83781D_REG_SCFG1);
w83781d_write_value(data, W83781D_REG_SCFG1,
tmp & ~BIT_SCFG1[nr]);
data->sens[nr] = val;
break;
default:
dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4\n",
(long) val);
break;
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR,
show_sensor, store_sensor, 0);
static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR,
show_sensor, store_sensor, 1);
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
show_sensor, store_sensor, 2);
/* Assumes that adapter is of I2C, not ISA variety.
* OTHERWISE DON'T CALL THIS
*/
static int
w83781d_detect_subclients(struct i2c_client *new_client)
{
int i, val1 = 0, id;
int err;
int address = new_client->addr;
unsigned short sc_addr[2];
struct i2c_adapter *adapter = new_client->adapter;
struct w83781d_data *data = i2c_get_clientdata(new_client);
enum chips kind = data->type;
id = i2c_adapter_id(adapter);
if (force_subclients[0] == id && force_subclients[1] == address) {
for (i = 2; i <= 3; i++) {
if (force_subclients[i] < 0x48 ||
force_subclients[i] > 0x4f) {
dev_err(&new_client->dev, "Invalid subclient "
"address %d; must be 0x48-0x4f\n",
force_subclients[i]);
err = -EINVAL;
goto ERROR_SC_1;
}
}
w83781d_write_value(data, W83781D_REG_I2C_SUBADDR,
(force_subclients[2] & 0x07) |
((force_subclients[3] & 0x07) << 4));
sc_addr[0] = force_subclients[2];
} else {
val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR);
sc_addr[0] = 0x48 + (val1 & 0x07);
}
if (kind != w83783s) {
if (force_subclients[0] == id &&
force_subclients[1] == address) {
sc_addr[1] = force_subclients[3];
} else {
sc_addr[1] = 0x48 + ((val1 >> 4) & 0x07);
}
if (sc_addr[0] == sc_addr[1]) {
dev_err(&new_client->dev,
"Duplicate addresses 0x%x for subclients.\n",
sc_addr[0]);
err = -EBUSY;
goto ERROR_SC_2;
}
}
for (i = 0; i <= 1; i++) {
data->lm75[i] = i2c_new_dummy(adapter, sc_addr[i]);
if (!data->lm75[i]) {
dev_err(&new_client->dev, "Subclient %d "
"registration at address 0x%x "
"failed.\n", i, sc_addr[i]);
err = -ENOMEM;
if (i == 1)
goto ERROR_SC_3;
goto ERROR_SC_2;
}
if (kind == w83783s)
break;
}
return 0;
/* Undo inits in case of errors */
ERROR_SC_3:
i2c_unregister_device(data->lm75[0]);
ERROR_SC_2:
ERROR_SC_1:
return err;
}
#define IN_UNIT_ATTRS(X) \
&sensor_dev_attr_in##X##_input.dev_attr.attr, \
&sensor_dev_attr_in##X##_min.dev_attr.attr, \
&sensor_dev_attr_in##X##_max.dev_attr.attr, \
&sensor_dev_attr_in##X##_alarm.dev_attr.attr, \
&sensor_dev_attr_in##X##_beep.dev_attr.attr
#define FAN_UNIT_ATTRS(X) \
&sensor_dev_attr_fan##X##_input.dev_attr.attr, \
&sensor_dev_attr_fan##X##_min.dev_attr.attr, \
&sensor_dev_attr_fan##X##_div.dev_attr.attr, \
&sensor_dev_attr_fan##X##_alarm.dev_attr.attr, \
&sensor_dev_attr_fan##X##_beep.dev_attr.attr
#define TEMP_UNIT_ATTRS(X) \
&sensor_dev_attr_temp##X##_input.dev_attr.attr, \
&sensor_dev_attr_temp##X##_max.dev_attr.attr, \
&sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr, \
&sensor_dev_attr_temp##X##_alarm.dev_attr.attr, \
&sensor_dev_attr_temp##X##_beep.dev_attr.attr
static struct attribute* w83781d_attributes[] = {
IN_UNIT_ATTRS(0),
IN_UNIT_ATTRS(2),
IN_UNIT_ATTRS(3),
IN_UNIT_ATTRS(4),
IN_UNIT_ATTRS(5),
IN_UNIT_ATTRS(6),
FAN_UNIT_ATTRS(1),
FAN_UNIT_ATTRS(2),
FAN_UNIT_ATTRS(3),
TEMP_UNIT_ATTRS(1),
TEMP_UNIT_ATTRS(2),
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
&dev_attr_alarms.attr,
&dev_attr_beep_mask.attr,
&sensor_dev_attr_beep_enable.dev_attr.attr,
NULL
};
static const struct attribute_group w83781d_group = {
.attrs = w83781d_attributes,
};
static struct attribute *w83781d_attributes_opt[] = {
IN_UNIT_ATTRS(1),
IN_UNIT_ATTRS(7),
IN_UNIT_ATTRS(8),
TEMP_UNIT_ATTRS(3),
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm4.dev_attr.attr,
&dev_attr_pwm2_enable.attr,
&sensor_dev_attr_temp1_type.dev_attr.attr,
&sensor_dev_attr_temp2_type.dev_attr.attr,
&sensor_dev_attr_temp3_type.dev_attr.attr,
NULL
};
static const struct attribute_group w83781d_group_opt = {
.attrs = w83781d_attributes_opt,
};
/* No clean up is done on error, it's up to the caller */
static int
w83781d_create_files(struct device *dev, int kind, int is_isa)
{
int err;
if ((err = sysfs_create_group(&dev->kobj, &w83781d_group)))
return err;
if (kind != w83783s) {
if ((err = device_create_file(dev,
&sensor_dev_attr_in1_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_beep.dev_attr)))
return err;
}
if (kind != as99127f && kind != w83781d && kind != w83783s) {
if ((err = device_create_file(dev,
&sensor_dev_attr_in7_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in7_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in7_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in7_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in7_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in8_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in8_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in8_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in8_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in8_beep.dev_attr)))
return err;
}
if (kind != w83783s) {
if ((err = device_create_file(dev,
&sensor_dev_attr_temp3_input.dev_attr))