1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3 * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> *
4 * Copyright (C) 2007-2011 Hans de Goede <hdegoede@redhat.com> *
5 * *
6 ***************************************************************************/
7
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/slab.h>
13 #include <linux/jiffies.h>
14 #include <linux/platform_device.h>
15 #include <linux/hwmon.h>
16 #include <linux/hwmon-sysfs.h>
17 #include <linux/err.h>
18 #include <linux/mutex.h>
19 #include <linux/io.h>
20 #include <linux/acpi.h>
21
22 #define DRVNAME "f71882fg"
23
24 #define SIO_F71858FG_LD_HWM 0x02 /* Hardware monitor logical device */
25 #define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */
26 #define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */
27 #define SIO_LOCK_KEY 0xAA /* Key to disable Super-I/O */
28
29 #define SIO_REG_LDSEL 0x07 /* Logical device select */
30 #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
31 #define SIO_REG_DEVREV 0x22 /* Device revision */
32 #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
33 #define SIO_REG_ENABLE 0x30 /* Logical device enable */
34 #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
35
36 #define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */
37 #define SIO_F71808E_ID 0x0901 /* Chipset ID */
38 #define SIO_F71808A_ID 0x1001 /* Chipset ID */
39 #define SIO_F71858_ID 0x0507 /* Chipset ID */
40 #define SIO_F71862_ID 0x0601 /* Chipset ID */
41 #define SIO_F71868_ID 0x1106 /* Chipset ID */
42 #define SIO_F71869_ID 0x0814 /* Chipset ID */
43 #define SIO_F71869A_ID 0x1007 /* Chipset ID */
44 #define SIO_F71882_ID 0x0541 /* Chipset ID */
45 #define SIO_F71889_ID 0x0723 /* Chipset ID */
46 #define SIO_F71889E_ID 0x0909 /* Chipset ID */
47 #define SIO_F71889A_ID 0x1005 /* Chipset ID */
48 #define SIO_F8000_ID 0x0581 /* Chipset ID */
49 #define SIO_F81768D_ID 0x1210 /* Chipset ID */
50 #define SIO_F81865_ID 0x0704 /* Chipset ID */
51 #define SIO_F81866_ID 0x1010 /* Chipset ID */
52 #define SIO_F71858AD_ID 0x0903 /* Chipset ID */
53 #define SIO_F81966_ID 0x1502 /* Chipset ID */
54
55 #define REGION_LENGTH 8
56 #define ADDR_REG_OFFSET 5
57 #define DATA_REG_OFFSET 6
58
59 #define F71882FG_REG_IN_STATUS 0x12 /* f7188x only */
60 #define F71882FG_REG_IN_BEEP 0x13 /* f7188x only */
61 #define F71882FG_REG_IN(nr) (0x20 + (nr))
62 #define F71882FG_REG_IN1_HIGH 0x32 /* f7188x only */
63
64 #define F81866_REG_IN_STATUS 0x16 /* F81866 only */
65 #define F81866_REG_IN_BEEP 0x17 /* F81866 only */
66 #define F81866_REG_IN1_HIGH 0x3a /* F81866 only */
67
68 #define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr)))
69 #define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr)))
70 #define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr)))
71 #define F71882FG_REG_FAN_STATUS 0x92
72 #define F71882FG_REG_FAN_BEEP 0x93
73
74 #define F71882FG_REG_TEMP(nr) (0x70 + 2 * (nr))
75 #define F71882FG_REG_TEMP_OVT(nr) (0x80 + 2 * (nr))
76 #define F71882FG_REG_TEMP_HIGH(nr) (0x81 + 2 * (nr))
77 #define F71882FG_REG_TEMP_STATUS 0x62
78 #define F71882FG_REG_TEMP_BEEP 0x63
79 #define F71882FG_REG_TEMP_CONFIG 0x69
80 #define F71882FG_REG_TEMP_HYST(nr) (0x6C + (nr))
81 #define F71882FG_REG_TEMP_TYPE 0x6B
82 #define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
83
84 #define F71882FG_REG_PWM(nr) (0xA3 + (16 * (nr)))
85 #define F71882FG_REG_PWM_TYPE 0x94
86 #define F71882FG_REG_PWM_ENABLE 0x96
87
88 #define F71882FG_REG_FAN_HYST(nr) (0x98 + (nr))
89
90 #define F71882FG_REG_FAN_FAULT_T 0x9F
91 #define F71882FG_FAN_NEG_TEMP_EN 0x20
92 #define F71882FG_FAN_PROG_SEL 0x80
93
94 #define F71882FG_REG_POINT_PWM(pwm, point) (0xAA + (point) + (16 * (pwm)))
95 #define F71882FG_REG_POINT_TEMP(pwm, point) (0xA6 + (point) + (16 * (pwm)))
96 #define F71882FG_REG_POINT_MAPPING(nr) (0xAF + 16 * (nr))
97
98 #define F71882FG_REG_START 0x01
99
100 #define F71882FG_MAX_INS 11
101
102 #define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */
103
104 static unsigned short force_id;
105 module_param(force_id, ushort, 0);
106 MODULE_PARM_DESC(force_id, "Override the detected device ID");
107
108 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
109 f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
110 f81866a};
111
112 static const char *const f71882fg_names[] = {
113 "f71808e",
114 "f71808a",
115 "f71858fg",
116 "f71862fg",
117 "f71868a",
118 "f71869", /* Both f71869f and f71869e, reg. compatible and same id */
119 "f71869a",
120 "f71882fg",
121 "f71889fg", /* f81801u too, same id */
122 "f71889ed",
123 "f71889a",
124 "f8000",
125 "f81768d",
126 "f81865f",
127 "f81866a",
128 };
129
130 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
131 [f71808e] = { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
132 [f71808a] = { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
133 [f71858fg] = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
134 [f71862fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
135 [f71868a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
136 [f71869] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
137 [f71869a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
138 [f71882fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
139 [f71889fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
140 [f71889ed] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
141 [f71889a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
142 [f8000] = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
143 [f81768d] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
144 [f81865f] = { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
145 [f81866a] = { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
146 };
147
148 static const char f71882fg_has_in1_alarm[] = {
149 [f71808e] = 0,
150 [f71808a] = 0,
151 [f71858fg] = 0,
152 [f71862fg] = 0,
153 [f71868a] = 0,
154 [f71869] = 0,
155 [f71869a] = 0,
156 [f71882fg] = 1,
157 [f71889fg] = 1,
158 [f71889ed] = 1,
159 [f71889a] = 1,
160 [f8000] = 0,
161 [f81768d] = 1,
162 [f81865f] = 1,
163 [f81866a] = 1,
164 };
165
166 static const char f71882fg_fan_has_beep[] = {
167 [f71808e] = 0,
168 [f71808a] = 0,
169 [f71858fg] = 0,
170 [f71862fg] = 1,
171 [f71868a] = 1,
172 [f71869] = 1,
173 [f71869a] = 1,
174 [f71882fg] = 1,
175 [f71889fg] = 1,
176 [f71889ed] = 1,
177 [f71889a] = 1,
178 [f8000] = 0,
179 [f81768d] = 1,
180 [f81865f] = 1,
181 [f81866a] = 1,
182 };
183
184 static const char f71882fg_nr_fans[] = {
185 [f71808e] = 3,
186 [f71808a] = 2, /* +1 fan which is monitor + simple pwm only */
187 [f71858fg] = 3,
188 [f71862fg] = 3,
189 [f71868a] = 3,
190 [f71869] = 3,
191 [f71869a] = 3,
192 [f71882fg] = 4,
193 [f71889fg] = 3,
194 [f71889ed] = 3,
195 [f71889a] = 3,
196 [f8000] = 3, /* +1 fan which is monitor only */
197 [f81768d] = 3,
198 [f81865f] = 2,
199 [f81866a] = 3,
200 };
201
202 static const char f71882fg_temp_has_beep[] = {
203 [f71808e] = 0,
204 [f71808a] = 1,
205 [f71858fg] = 0,
206 [f71862fg] = 1,
207 [f71868a] = 1,
208 [f71869] = 1,
209 [f71869a] = 1,
210 [f71882fg] = 1,
211 [f71889fg] = 1,
212 [f71889ed] = 1,
213 [f71889a] = 1,
214 [f8000] = 0,
215 [f81768d] = 1,
216 [f81865f] = 1,
217 [f81866a] = 1,
218 };
219
220 static const char f71882fg_nr_temps[] = {
221 [f71808e] = 2,
222 [f71808a] = 2,
223 [f71858fg] = 3,
224 [f71862fg] = 3,
225 [f71868a] = 3,
226 [f71869] = 3,
227 [f71869a] = 3,
228 [f71882fg] = 3,
229 [f71889fg] = 3,
230 [f71889ed] = 3,
231 [f71889a] = 3,
232 [f8000] = 3,
233 [f81768d] = 3,
234 [f81865f] = 2,
235 [f81866a] = 3,
236 };
237
238 static struct platform_device *f71882fg_pdev;
239
240 struct f71882fg_sio_data {
241 enum chips type;
242 };
243
244 struct f71882fg_data {
245 unsigned short addr;
246 enum chips type;
247 struct device *hwmon_dev;
248
249 struct mutex update_lock;
250 int temp_start; /* temp numbering start (0 or 1) */
251 bool valid; /* true if following fields are valid */
252 char auto_point_temp_signed;
253 unsigned long last_updated; /* In jiffies */
254 unsigned long last_limits; /* In jiffies */
255
256 /* Register Values */
257 u8 in[F71882FG_MAX_INS];
258 u8 in1_max;
259 u8 in_status;
260 u8 in_beep;
261 u16 fan[4];
262 u16 fan_target[4];
263 u16 fan_full_speed[4];
264 u8 fan_status;
265 u8 fan_beep;
266 /*
267 * Note: all models have max 3 temperature channels, but on some
268 * they are addressed as 0-2 and on others as 1-3, so for coding
269 * convenience we reserve space for 4 channels
270 */
271 u16 temp[4];
272 u8 temp_ovt[4];
273 u8 temp_high[4];
274 u8 temp_hyst[2]; /* 2 hysts stored per reg */
275 u8 temp_type[4];
276 u8 temp_status;
277 u8 temp_beep;
278 u8 temp_diode_open;
279 u8 temp_config;
280 u8 pwm[4];
281 u8 pwm_enable;
282 u8 pwm_auto_point_hyst[2];
283 u8 pwm_auto_point_mapping[4];
284 u8 pwm_auto_point_pwm[4][5];
285 s8 pwm_auto_point_temp[4][4];
286 };
287
f71882fg_read8(struct f71882fg_data * data,u8 reg)288 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
289 {
290 u8 val;
291
292 outb(reg, data->addr + ADDR_REG_OFFSET);
293 val = inb(data->addr + DATA_REG_OFFSET);
294
295 return val;
296 }
297
f71882fg_read16(struct f71882fg_data * data,u8 reg)298 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
299 {
300 u16 val;
301
302 val = f71882fg_read8(data, reg) << 8;
303 val |= f71882fg_read8(data, reg + 1);
304
305 return val;
306 }
307
fan_from_reg(u16 reg)308 static inline int fan_from_reg(u16 reg)
309 {
310 return reg ? (1500000 / reg) : 0;
311 }
312
fan_to_reg(int fan)313 static inline u16 fan_to_reg(int fan)
314 {
315 return fan ? (1500000 / fan) : 0;
316 }
317
f71882fg_write8(struct f71882fg_data * data,u8 reg,u8 val)318 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
319 {
320 outb(reg, data->addr + ADDR_REG_OFFSET);
321 outb(val, data->addr + DATA_REG_OFFSET);
322 }
323
f71882fg_write16(struct f71882fg_data * data,u8 reg,u16 val)324 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
325 {
326 f71882fg_write8(data, reg, val >> 8);
327 f71882fg_write8(data, reg + 1, val & 0xff);
328 }
329
f71882fg_read_temp(struct f71882fg_data * data,int nr)330 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
331 {
332 if (data->type == f71858fg)
333 return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
334 else
335 return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
336 }
337
f71882fg_update_device(struct device * dev)338 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
339 {
340 struct f71882fg_data *data = dev_get_drvdata(dev);
341 int nr_fans = f71882fg_nr_fans[data->type];
342 int nr_temps = f71882fg_nr_temps[data->type];
343 int nr, reg, point;
344
345 mutex_lock(&data->update_lock);
346
347 /* Update once every 60 seconds */
348 if (time_after(jiffies, data->last_limits + 60 * HZ) ||
349 !data->valid) {
350 if (f71882fg_has_in1_alarm[data->type]) {
351 if (data->type == f81866a) {
352 data->in1_max =
353 f71882fg_read8(data,
354 F81866_REG_IN1_HIGH);
355 data->in_beep =
356 f71882fg_read8(data,
357 F81866_REG_IN_BEEP);
358 } else {
359 data->in1_max =
360 f71882fg_read8(data,
361 F71882FG_REG_IN1_HIGH);
362 data->in_beep =
363 f71882fg_read8(data,
364 F71882FG_REG_IN_BEEP);
365 }
366 }
367
368 /* Get High & boundary temps*/
369 for (nr = data->temp_start; nr < nr_temps + data->temp_start;
370 nr++) {
371 data->temp_ovt[nr] = f71882fg_read8(data,
372 F71882FG_REG_TEMP_OVT(nr));
373 data->temp_high[nr] = f71882fg_read8(data,
374 F71882FG_REG_TEMP_HIGH(nr));
375 }
376
377 if (data->type != f8000) {
378 data->temp_hyst[0] = f71882fg_read8(data,
379 F71882FG_REG_TEMP_HYST(0));
380 data->temp_hyst[1] = f71882fg_read8(data,
381 F71882FG_REG_TEMP_HYST(1));
382 }
383 /* All but the f71858fg / f8000 have this register */
384 if ((data->type != f71858fg) && (data->type != f8000)) {
385 reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
386 data->temp_type[1] = (reg & 0x02) ? 2 : 4;
387 data->temp_type[2] = (reg & 0x04) ? 2 : 4;
388 data->temp_type[3] = (reg & 0x08) ? 2 : 4;
389 }
390
391 if (f71882fg_fan_has_beep[data->type])
392 data->fan_beep = f71882fg_read8(data,
393 F71882FG_REG_FAN_BEEP);
394
395 if (f71882fg_temp_has_beep[data->type])
396 data->temp_beep = f71882fg_read8(data,
397 F71882FG_REG_TEMP_BEEP);
398
399 data->pwm_enable = f71882fg_read8(data,
400 F71882FG_REG_PWM_ENABLE);
401 data->pwm_auto_point_hyst[0] =
402 f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
403 data->pwm_auto_point_hyst[1] =
404 f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
405
406 for (nr = 0; nr < nr_fans; nr++) {
407 data->pwm_auto_point_mapping[nr] =
408 f71882fg_read8(data,
409 F71882FG_REG_POINT_MAPPING(nr));
410
411 switch (data->type) {
412 default:
413 for (point = 0; point < 5; point++) {
414 data->pwm_auto_point_pwm[nr][point] =
415 f71882fg_read8(data,
416 F71882FG_REG_POINT_PWM
417 (nr, point));
418 }
419 for (point = 0; point < 4; point++) {
420 data->pwm_auto_point_temp[nr][point] =
421 f71882fg_read8(data,
422 F71882FG_REG_POINT_TEMP
423 (nr, point));
424 }
425 break;
426 case f71808e:
427 case f71869:
428 data->pwm_auto_point_pwm[nr][0] =
429 f71882fg_read8(data,
430 F71882FG_REG_POINT_PWM(nr, 0));
431 fallthrough;
432 case f71862fg:
433 data->pwm_auto_point_pwm[nr][1] =
434 f71882fg_read8(data,
435 F71882FG_REG_POINT_PWM
436 (nr, 1));
437 data->pwm_auto_point_pwm[nr][4] =
438 f71882fg_read8(data,
439 F71882FG_REG_POINT_PWM
440 (nr, 4));
441 data->pwm_auto_point_temp[nr][0] =
442 f71882fg_read8(data,
443 F71882FG_REG_POINT_TEMP
444 (nr, 0));
445 data->pwm_auto_point_temp[nr][3] =
446 f71882fg_read8(data,
447 F71882FG_REG_POINT_TEMP
448 (nr, 3));
449 break;
450 }
451 }
452 data->last_limits = jiffies;
453 }
454
455 /* Update every second */
456 if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
457 data->temp_status = f71882fg_read8(data,
458 F71882FG_REG_TEMP_STATUS);
459 data->temp_diode_open = f71882fg_read8(data,
460 F71882FG_REG_TEMP_DIODE_OPEN);
461 for (nr = data->temp_start; nr < nr_temps + data->temp_start;
462 nr++)
463 data->temp[nr] = f71882fg_read_temp(data, nr);
464
465 data->fan_status = f71882fg_read8(data,
466 F71882FG_REG_FAN_STATUS);
467 for (nr = 0; nr < nr_fans; nr++) {
468 data->fan[nr] = f71882fg_read16(data,
469 F71882FG_REG_FAN(nr));
470 data->fan_target[nr] =
471 f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
472 data->fan_full_speed[nr] =
473 f71882fg_read16(data,
474 F71882FG_REG_FAN_FULL_SPEED(nr));
475 data->pwm[nr] =
476 f71882fg_read8(data, F71882FG_REG_PWM(nr));
477 }
478 /* Some models have 1 more fan with limited capabilities */
479 if (data->type == f71808a) {
480 data->fan[2] = f71882fg_read16(data,
481 F71882FG_REG_FAN(2));
482 data->pwm[2] = f71882fg_read8(data,
483 F71882FG_REG_PWM(2));
484 }
485 if (data->type == f8000)
486 data->fan[3] = f71882fg_read16(data,
487 F71882FG_REG_FAN(3));
488
489 if (f71882fg_has_in1_alarm[data->type]) {
490 if (data->type == f81866a)
491 data->in_status = f71882fg_read8(data,
492 F81866_REG_IN_STATUS);
493
494 else
495 data->in_status = f71882fg_read8(data,
496 F71882FG_REG_IN_STATUS);
497 }
498
499 for (nr = 0; nr < F71882FG_MAX_INS; nr++)
500 if (f71882fg_has_in[data->type][nr])
501 data->in[nr] = f71882fg_read8(data,
502 F71882FG_REG_IN(nr));
503
504 data->last_updated = jiffies;
505 data->valid = true;
506 }
507
508 mutex_unlock(&data->update_lock);
509
510 return data;
511 }
512
name_show(struct device * dev,struct device_attribute * devattr,char * buf)513 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
514 char *buf)
515 {
516 struct f71882fg_data *data = dev_get_drvdata(dev);
517 return sprintf(buf, "%s\n", f71882fg_names[data->type]);
518 }
519
520 static DEVICE_ATTR_RO(name);
521
show_temp(struct device * dev,struct device_attribute * devattr,char * buf)522 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
523 char *buf)
524 {
525 struct f71882fg_data *data = f71882fg_update_device(dev);
526 int nr = to_sensor_dev_attr_2(devattr)->index;
527 int sign, temp;
528
529 if (data->type == f71858fg) {
530 /* TEMP_TABLE_SEL 1 or 3 ? */
531 if (data->temp_config & 1) {
532 sign = data->temp[nr] & 0x0001;
533 temp = (data->temp[nr] >> 5) & 0x7ff;
534 } else {
535 sign = data->temp[nr] & 0x8000;
536 temp = (data->temp[nr] >> 5) & 0x3ff;
537 }
538 temp *= 125;
539 if (sign)
540 temp -= 128000;
541 } else {
542 temp = ((s8)data->temp[nr]) * 1000;
543 }
544
545 return sprintf(buf, "%d\n", temp);
546 }
547
show_temp_max(struct device * dev,struct device_attribute * devattr,char * buf)548 static ssize_t show_temp_max(struct device *dev, struct device_attribute
549 *devattr, char *buf)
550 {
551 struct f71882fg_data *data = f71882fg_update_device(dev);
552 int nr = to_sensor_dev_attr_2(devattr)->index;
553
554 return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
555 }
556
store_temp_max(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)557 static ssize_t store_temp_max(struct device *dev, struct device_attribute
558 *devattr, const char *buf, size_t count)
559 {
560 struct f71882fg_data *data = dev_get_drvdata(dev);
561 int err, nr = to_sensor_dev_attr_2(devattr)->index;
562 long val;
563
564 err = kstrtol(buf, 10, &val);
565 if (err)
566 return err;
567
568 val /= 1000;
569 val = clamp_val(val, 0, 255);
570
571 mutex_lock(&data->update_lock);
572 f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
573 data->temp_high[nr] = val;
574 mutex_unlock(&data->update_lock);
575
576 return count;
577 }
578
show_temp_max_hyst(struct device * dev,struct device_attribute * devattr,char * buf)579 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
580 *devattr, char *buf)
581 {
582 struct f71882fg_data *data = f71882fg_update_device(dev);
583 int nr = to_sensor_dev_attr_2(devattr)->index;
584 int temp_max_hyst;
585
586 mutex_lock(&data->update_lock);
587 if (nr & 1)
588 temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
589 else
590 temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
591 temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
592 mutex_unlock(&data->update_lock);
593
594 return sprintf(buf, "%d\n", temp_max_hyst);
595 }
596
store_temp_max_hyst(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)597 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
598 *devattr, const char *buf, size_t count)
599 {
600 struct f71882fg_data *data = dev_get_drvdata(dev);
601 int err, nr = to_sensor_dev_attr_2(devattr)->index;
602 ssize_t ret = count;
603 u8 reg;
604 long val;
605
606 err = kstrtol(buf, 10, &val);
607 if (err)
608 return err;
609
610 val /= 1000;
611
612 mutex_lock(&data->update_lock);
613
614 /* convert abs to relative and check */
615 data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
616 val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
617 val = data->temp_high[nr] - val;
618
619 /* convert value to register contents */
620 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
621 if (nr & 1)
622 reg = (reg & 0x0f) | (val << 4);
623 else
624 reg = (reg & 0xf0) | val;
625 f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
626 data->temp_hyst[nr / 2] = reg;
627
628 mutex_unlock(&data->update_lock);
629 return ret;
630 }
631
show_temp_alarm(struct device * dev,struct device_attribute * devattr,char * buf)632 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
633 *devattr, char *buf)
634 {
635 struct f71882fg_data *data = f71882fg_update_device(dev);
636 int nr = to_sensor_dev_attr_2(devattr)->index;
637
638 if (data->temp_status & (1 << nr))
639 return sprintf(buf, "1\n");
640 else
641 return sprintf(buf, "0\n");
642 }
643
show_temp_crit(struct device * dev,struct device_attribute * devattr,char * buf)644 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
645 *devattr, char *buf)
646 {
647 struct f71882fg_data *data = f71882fg_update_device(dev);
648 int nr = to_sensor_dev_attr_2(devattr)->index;
649
650 return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
651 }
652
store_temp_crit(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)653 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
654 *devattr, const char *buf, size_t count)
655 {
656 struct f71882fg_data *data = dev_get_drvdata(dev);
657 int err, nr = to_sensor_dev_attr_2(devattr)->index;
658 long val;
659
660 err = kstrtol(buf, 10, &val);
661 if (err)
662 return err;
663
664 val /= 1000;
665 val = clamp_val(val, 0, 255);
666
667 mutex_lock(&data->update_lock);
668 f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
669 data->temp_ovt[nr] = val;
670 mutex_unlock(&data->update_lock);
671
672 return count;
673 }
674
show_temp_crit_hyst(struct device * dev,struct device_attribute * devattr,char * buf)675 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
676 *devattr, char *buf)
677 {
678 struct f71882fg_data *data = f71882fg_update_device(dev);
679 int nr = to_sensor_dev_attr_2(devattr)->index;
680 int temp_crit_hyst;
681
682 mutex_lock(&data->update_lock);
683 if (nr & 1)
684 temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
685 else
686 temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
687 temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
688 mutex_unlock(&data->update_lock);
689
690 return sprintf(buf, "%d\n", temp_crit_hyst);
691 }
692
show_temp_fault(struct device * dev,struct device_attribute * devattr,char * buf)693 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
694 *devattr, char *buf)
695 {
696 struct f71882fg_data *data = f71882fg_update_device(dev);
697 int nr = to_sensor_dev_attr_2(devattr)->index;
698
699 if (data->temp_diode_open & (1 << nr))
700 return sprintf(buf, "1\n");
701 else
702 return sprintf(buf, "0\n");
703 }
704
705 /*
706 * Temp attr for the f71858fg, the f71858fg is special as it has its
707 * temperature indexes start at 0 (the others start at 1)
708 */
709 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
710 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
711 SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
712 store_temp_max, 0, 0),
713 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
714 store_temp_max_hyst, 0, 0),
715 SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
716 SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
717 store_temp_crit, 0, 0),
718 SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
719 0, 0),
720 SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
721 SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
722 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
723 SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
724 store_temp_max, 0, 1),
725 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
726 store_temp_max_hyst, 0, 1),
727 SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
728 SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
729 store_temp_crit, 0, 1),
730 SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
731 0, 1),
732 SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
733 SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
734 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
735 SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
736 store_temp_max, 0, 2),
737 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
738 store_temp_max_hyst, 0, 2),
739 SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
740 SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
741 store_temp_crit, 0, 2),
742 SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
743 0, 2),
744 SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
745 SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
746 };
747
show_temp_type(struct device * dev,struct device_attribute * devattr,char * buf)748 static ssize_t show_temp_type(struct device *dev, struct device_attribute
749 *devattr, char *buf)
750 {
751 struct f71882fg_data *data = f71882fg_update_device(dev);
752 int nr = to_sensor_dev_attr_2(devattr)->index;
753
754 return sprintf(buf, "%d\n", data->temp_type[nr]);
755 }
756
757 /* Temp attr for the standard models */
758 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
759 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
760 SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
761 store_temp_max, 0, 1),
762 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
763 store_temp_max_hyst, 0, 1),
764 /*
765 * Should really be temp1_max_alarm, but older versions did not handle
766 * the max and crit alarms separately and lm_sensors v2 depends on the
767 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
768 */
769 SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
770 SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
771 store_temp_crit, 0, 1),
772 SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
773 0, 1),
774 SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
775 SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
776 SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
777 }, {
778 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
779 SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
780 store_temp_max, 0, 2),
781 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
782 store_temp_max_hyst, 0, 2),
783 /* Should be temp2_max_alarm, see temp1_alarm note */
784 SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
785 SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
786 store_temp_crit, 0, 2),
787 SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
788 0, 2),
789 SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
790 SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
791 SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
792 }, {
793 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
794 SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
795 store_temp_max, 0, 3),
796 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
797 store_temp_max_hyst, 0, 3),
798 /* Should be temp3_max_alarm, see temp1_alarm note */
799 SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
800 SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
801 store_temp_crit, 0, 3),
802 SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
803 0, 3),
804 SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
805 SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
806 SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
807 } };
808
show_temp_beep(struct device * dev,struct device_attribute * devattr,char * buf)809 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
810 *devattr, char *buf)
811 {
812 struct f71882fg_data *data = f71882fg_update_device(dev);
813 int nr = to_sensor_dev_attr_2(devattr)->index;
814
815 if (data->temp_beep & (1 << nr))
816 return sprintf(buf, "1\n");
817 else
818 return sprintf(buf, "0\n");
819 }
820
store_temp_beep(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)821 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
822 *devattr, const char *buf, size_t count)
823 {
824 struct f71882fg_data *data = dev_get_drvdata(dev);
825 int err, nr = to_sensor_dev_attr_2(devattr)->index;
826 unsigned long val;
827
828 err = kstrtoul(buf, 10, &val);
829 if (err)
830 return err;
831
832 mutex_lock(&data->update_lock);
833 data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
834 if (val)
835 data->temp_beep |= 1 << nr;
836 else
837 data->temp_beep &= ~(1 << nr);
838
839 f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
840 mutex_unlock(&data->update_lock);
841
842 return count;
843 }
844
845 /* Temp attr for models which can beep on temp alarm */
846 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
847 SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
848 store_temp_beep, 0, 1),
849 SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
850 store_temp_beep, 0, 5),
851 }, {
852 SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
853 store_temp_beep, 0, 2),
854 SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
855 store_temp_beep, 0, 6),
856 }, {
857 SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
858 store_temp_beep, 0, 3),
859 SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
860 store_temp_beep, 0, 7),
861 } };
862
863 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
864 SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
865 store_temp_beep, 0, 0),
866 SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
867 store_temp_beep, 0, 4),
868 }, {
869 SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
870 store_temp_beep, 0, 1),
871 SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
872 store_temp_beep, 0, 5),
873 }, {
874 SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
875 store_temp_beep, 0, 2),
876 SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
877 store_temp_beep, 0, 6),
878 } };
879
880 /*
881 * Temp attr for the f8000
882 * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
883 * is used as hysteresis value to clear alarms
884 * Also like the f71858fg its temperature indexes start at 0
885 */
886 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
887 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
888 SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
889 store_temp_crit, 0, 0),
890 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
891 store_temp_max, 0, 0),
892 SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
893 SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
894 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
895 SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
896 store_temp_crit, 0, 1),
897 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
898 store_temp_max, 0, 1),
899 SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
900 SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
901 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
902 SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
903 store_temp_crit, 0, 2),
904 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
905 store_temp_max, 0, 2),
906 SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
907 SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
908 };
909
show_in(struct device * dev,struct device_attribute * devattr,char * buf)910 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
911 char *buf)
912 {
913 struct f71882fg_data *data = f71882fg_update_device(dev);
914 int nr = to_sensor_dev_attr_2(devattr)->index;
915
916 return sprintf(buf, "%d\n", data->in[nr] * 8);
917 }
918
919 /* in attr for all models */
920 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
921 SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
922 SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
923 SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
924 SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
925 SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
926 SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
927 SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
928 SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
929 SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
930 SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
931 SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
932 };
933
show_in_max(struct device * dev,struct device_attribute * devattr,char * buf)934 static ssize_t show_in_max(struct device *dev, struct device_attribute
935 *devattr, char *buf)
936 {
937 struct f71882fg_data *data = f71882fg_update_device(dev);
938
939 return sprintf(buf, "%d\n", data->in1_max * 8);
940 }
941
store_in_max(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)942 static ssize_t store_in_max(struct device *dev, struct device_attribute
943 *devattr, const char *buf, size_t count)
944 {
945 struct f71882fg_data *data = dev_get_drvdata(dev);
946 int err;
947 long val;
948
949 err = kstrtol(buf, 10, &val);
950 if (err)
951 return err;
952
953 val /= 8;
954 val = clamp_val(val, 0, 255);
955
956 mutex_lock(&data->update_lock);
957 if (data->type == f81866a)
958 f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
959 else
960 f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
961 data->in1_max = val;
962 mutex_unlock(&data->update_lock);
963
964 return count;
965 }
966
show_in_beep(struct device * dev,struct device_attribute * devattr,char * buf)967 static ssize_t show_in_beep(struct device *dev, struct device_attribute
968 *devattr, char *buf)
969 {
970 struct f71882fg_data *data = f71882fg_update_device(dev);
971 int nr = to_sensor_dev_attr_2(devattr)->index;
972
973 if (data->in_beep & (1 << nr))
974 return sprintf(buf, "1\n");
975 else
976 return sprintf(buf, "0\n");
977 }
978
store_in_beep(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)979 static ssize_t store_in_beep(struct device *dev, struct device_attribute
980 *devattr, const char *buf, size_t count)
981 {
982 struct f71882fg_data *data = dev_get_drvdata(dev);
983 int err, nr = to_sensor_dev_attr_2(devattr)->index;
984 unsigned long val;
985
986 err = kstrtoul(buf, 10, &val);
987 if (err)
988 return err;
989
990 mutex_lock(&data->update_lock);
991 if (data->type == f81866a)
992 data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
993 else
994 data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
995
996 if (val)
997 data->in_beep |= 1 << nr;
998 else
999 data->in_beep &= ~(1 << nr);
1000
1001 if (data->type == f81866a)
1002 f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1003 else
1004 f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1005 mutex_unlock(&data->update_lock);
1006
1007 return count;
1008 }
1009
show_in_alarm(struct device * dev,struct device_attribute * devattr,char * buf)1010 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1011 *devattr, char *buf)
1012 {
1013 struct f71882fg_data *data = f71882fg_update_device(dev);
1014 int nr = to_sensor_dev_attr_2(devattr)->index;
1015
1016 if (data->in_status & (1 << nr))
1017 return sprintf(buf, "1\n");
1018 else
1019 return sprintf(buf, "0\n");
1020 }
1021
1022 /* For models with in1 alarm capability */
1023 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
1024 SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
1025 0, 1),
1026 SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
1027 0, 1),
1028 SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
1029 };
1030
show_fan(struct device * dev,struct device_attribute * devattr,char * buf)1031 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1032 char *buf)
1033 {
1034 struct f71882fg_data *data = f71882fg_update_device(dev);
1035 int nr = to_sensor_dev_attr_2(devattr)->index;
1036 int speed = fan_from_reg(data->fan[nr]);
1037
1038 if (speed == FAN_MIN_DETECT)
1039 speed = 0;
1040
1041 return sprintf(buf, "%d\n", speed);
1042 }
1043
show_fan_full_speed(struct device * dev,struct device_attribute * devattr,char * buf)1044 static ssize_t show_fan_full_speed(struct device *dev,
1045 struct device_attribute *devattr, char *buf)
1046 {
1047 struct f71882fg_data *data = f71882fg_update_device(dev);
1048 int nr = to_sensor_dev_attr_2(devattr)->index;
1049 int speed = fan_from_reg(data->fan_full_speed[nr]);
1050 return sprintf(buf, "%d\n", speed);
1051 }
1052
store_fan_full_speed(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1053 static ssize_t store_fan_full_speed(struct device *dev,
1054 struct device_attribute *devattr,
1055 const char *buf, size_t count)
1056 {
1057 struct f71882fg_data *data = dev_get_drvdata(dev);
1058 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1059 long val;
1060
1061 err = kstrtol(buf, 10, &val);
1062 if (err)
1063 return err;
1064
1065 val = clamp_val(val, 23, 1500000);
1066 val = fan_to_reg(val);
1067
1068 mutex_lock(&data->update_lock);
1069 f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1070 data->fan_full_speed[nr] = val;
1071 mutex_unlock(&data->update_lock);
1072
1073 return count;
1074 }
1075
show_fan_alarm(struct device * dev,struct device_attribute * devattr,char * buf)1076 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1077 *devattr, char *buf)
1078 {
1079 struct f71882fg_data *data = f71882fg_update_device(dev);
1080 int nr = to_sensor_dev_attr_2(devattr)->index;
1081
1082 if (data->fan_status & (1 << nr))
1083 return sprintf(buf, "1\n");
1084 else
1085 return sprintf(buf, "0\n");
1086 }
1087
show_pwm(struct device * dev,struct device_attribute * devattr,char * buf)1088 static ssize_t show_pwm(struct device *dev,
1089 struct device_attribute *devattr, char *buf)
1090 {
1091 struct f71882fg_data *data = f71882fg_update_device(dev);
1092 int val, nr = to_sensor_dev_attr_2(devattr)->index;
1093 mutex_lock(&data->update_lock);
1094 if (data->pwm_enable & (1 << (2 * nr)))
1095 /* PWM mode */
1096 val = data->pwm[nr];
1097 else {
1098 /* RPM mode */
1099 if (fan_from_reg(data->fan_full_speed[nr]))
1100 val = 255 * fan_from_reg(data->fan_target[nr])
1101 / fan_from_reg(data->fan_full_speed[nr]);
1102 else
1103 val = 0;
1104 }
1105 mutex_unlock(&data->update_lock);
1106 return sprintf(buf, "%d\n", val);
1107 }
1108
store_pwm(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1109 static ssize_t store_pwm(struct device *dev,
1110 struct device_attribute *devattr, const char *buf,
1111 size_t count)
1112 {
1113 struct f71882fg_data *data = dev_get_drvdata(dev);
1114 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1115 long val;
1116
1117 err = kstrtol(buf, 10, &val);
1118 if (err)
1119 return err;
1120
1121 val = clamp_val(val, 0, 255);
1122
1123 mutex_lock(&data->update_lock);
1124 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1125 if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1126 (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1127 count = -EROFS;
1128 goto leave;
1129 }
1130 if (data->pwm_enable & (1 << (2 * nr))) {
1131 /* PWM mode */
1132 f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1133 data->pwm[nr] = val;
1134 } else {
1135 /* RPM mode */
1136 int target, full_speed;
1137 full_speed = f71882fg_read16(data,
1138 F71882FG_REG_FAN_FULL_SPEED(nr));
1139 target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1140 f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1141 data->fan_target[nr] = target;
1142 data->fan_full_speed[nr] = full_speed;
1143 }
1144 leave:
1145 mutex_unlock(&data->update_lock);
1146
1147 return count;
1148 }
1149
show_pwm_enable(struct device * dev,struct device_attribute * devattr,char * buf)1150 static ssize_t show_pwm_enable(struct device *dev,
1151 struct device_attribute *devattr, char *buf)
1152 {
1153 int result = 0;
1154 struct f71882fg_data *data = f71882fg_update_device(dev);
1155 int nr = to_sensor_dev_attr_2(devattr)->index;
1156
1157 switch ((data->pwm_enable >> 2 * nr) & 3) {
1158 case 0:
1159 case 1:
1160 result = 2; /* Normal auto mode */
1161 break;
1162 case 2:
1163 result = 1; /* Manual mode */
1164 break;
1165 case 3:
1166 if (data->type == f8000)
1167 result = 3; /* Thermostat mode */
1168 else
1169 result = 1; /* Manual mode */
1170 break;
1171 }
1172
1173 return sprintf(buf, "%d\n", result);
1174 }
1175
store_pwm_enable(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1176 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1177 *devattr, const char *buf, size_t count)
1178 {
1179 struct f71882fg_data *data = dev_get_drvdata(dev);
1180 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1181 long val;
1182
1183 err = kstrtol(buf, 10, &val);
1184 if (err)
1185 return err;
1186
1187 /* Special case for F8000 pwm channel 3 which only does auto mode */
1188 if (data->type == f8000 && nr == 2 && val != 2)
1189 return -EINVAL;
1190
1191 mutex_lock(&data->update_lock);
1192 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1193 /* Special case for F8000 auto PWM mode / Thermostat mode */
1194 if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1195 switch (val) {
1196 case 2:
1197 data->pwm_enable &= ~(2 << (2 * nr));
1198 break; /* Normal auto mode */
1199 case 3:
1200 data->pwm_enable |= 2 << (2 * nr);
1201 break; /* Thermostat mode */
1202 default:
1203 count = -EINVAL;
1204 goto leave;
1205 }
1206 } else {
1207 switch (val) {
1208 case 1:
1209 /* The f71858fg does not support manual RPM mode */
1210 if (data->type == f71858fg &&
1211 ((data->pwm_enable >> (2 * nr)) & 1)) {
1212 count = -EINVAL;
1213 goto leave;
1214 }
1215 data->pwm_enable |= 2 << (2 * nr);
1216 break; /* Manual */
1217 case 2:
1218 data->pwm_enable &= ~(2 << (2 * nr));
1219 break; /* Normal auto mode */
1220 default:
1221 count = -EINVAL;
1222 goto leave;
1223 }
1224 }
1225 f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1226 leave:
1227 mutex_unlock(&data->update_lock);
1228
1229 return count;
1230 }
1231
show_pwm_interpolate(struct device * dev,struct device_attribute * devattr,char * buf)1232 static ssize_t show_pwm_interpolate(struct device *dev,
1233 struct device_attribute *devattr, char *buf)
1234 {
1235 int result;
1236 struct f71882fg_data *data = f71882fg_update_device(dev);
1237 int nr = to_sensor_dev_attr_2(devattr)->index;
1238
1239 result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
1240
1241 return sprintf(buf, "%d\n", result);
1242 }
1243
store_pwm_interpolate(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1244 static ssize_t store_pwm_interpolate(struct device *dev,
1245 struct device_attribute *devattr,
1246 const char *buf, size_t count)
1247 {
1248 struct f71882fg_data *data = dev_get_drvdata(dev);
1249 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1250 unsigned long val;
1251
1252 err = kstrtoul(buf, 10, &val);
1253 if (err)
1254 return err;
1255
1256 mutex_lock(&data->update_lock);
1257 data->pwm_auto_point_mapping[nr] =
1258 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1259 if (val)
1260 val = data->pwm_auto_point_mapping[nr] | (1 << 4);
1261 else
1262 val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
1263 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1264 data->pwm_auto_point_mapping[nr] = val;
1265 mutex_unlock(&data->update_lock);
1266
1267 return count;
1268 }
1269
1270 /* Fan / PWM attr common to all models */
1271 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
1272 SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
1273 SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
1274 show_fan_full_speed,
1275 store_fan_full_speed, 0, 0),
1276 SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
1277 SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
1278 SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1279 store_pwm_enable, 0, 0),
1280 SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
1281 show_pwm_interpolate, store_pwm_interpolate, 0, 0),
1282 }, {
1283 SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
1284 SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
1285 show_fan_full_speed,
1286 store_fan_full_speed, 0, 1),
1287 SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
1288 SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
1289 SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1290 store_pwm_enable, 0, 1),
1291 SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
1292 show_pwm_interpolate, store_pwm_interpolate, 0, 1),
1293 }, {
1294 SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
1295 SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
1296 show_fan_full_speed,
1297 store_fan_full_speed, 0, 2),
1298 SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
1299 SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
1300 SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1301 store_pwm_enable, 0, 2),
1302 SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
1303 show_pwm_interpolate, store_pwm_interpolate, 0, 2),
1304 }, {
1305 SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
1306 SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
1307 show_fan_full_speed,
1308 store_fan_full_speed, 0, 3),
1309 SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
1310 SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
1311 SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1312 store_pwm_enable, 0, 3),
1313 SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
1314 show_pwm_interpolate, store_pwm_interpolate, 0, 3),
1315 } };
1316
show_simple_pwm(struct device * dev,struct device_attribute * devattr,char * buf)1317 static ssize_t show_simple_pwm(struct device *dev,
1318 struct device_attribute *devattr, char *buf)
1319 {
1320 struct f71882fg_data *data = f71882fg_update_device(dev);
1321 int val, nr = to_sensor_dev_attr_2(devattr)->index;
1322
1323 val = data->pwm[nr];
1324 return sprintf(buf, "%d\n", val);
1325 }
1326
store_simple_pwm(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1327 static ssize_t store_simple_pwm(struct device *dev,
1328 struct device_attribute *devattr,
1329 const char *buf, size_t count)
1330 {
1331 struct f71882fg_data *data = dev_get_drvdata(dev);
1332 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1333 long val;
1334
1335 err = kstrtol(buf, 10, &val);
1336 if (err)
1337 return err;
1338
1339 val = clamp_val(val, 0, 255);
1340
1341 mutex_lock(&data->update_lock);
1342 f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1343 data->pwm[nr] = val;
1344 mutex_unlock(&data->update_lock);
1345
1346 return count;
1347 }
1348
1349 /* Attr for the third fan of the f71808a, which only has manual pwm */
1350 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
1351 SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
1352 SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
1353 SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
1354 show_simple_pwm, store_simple_pwm, 0, 2),
1355 };
1356
show_fan_beep(struct device * dev,struct device_attribute * devattr,char * buf)1357 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1358 *devattr, char *buf)
1359 {
1360 struct f71882fg_data *data = f71882fg_update_device(dev);
1361 int nr = to_sensor_dev_attr_2(devattr)->index;
1362
1363 if (data->fan_beep & (1 << nr))
1364 return sprintf(buf, "1\n");
1365 else
1366 return sprintf(buf, "0\n");
1367 }
1368
store_fan_beep(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1369 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1370 *devattr, const char *buf, size_t count)
1371 {
1372 struct f71882fg_data *data = dev_get_drvdata(dev);
1373 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1374 unsigned long val;
1375
1376 err = kstrtoul(buf, 10, &val);
1377 if (err)
1378 return err;
1379
1380 mutex_lock(&data->update_lock);
1381 data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1382 if (val)
1383 data->fan_beep |= 1 << nr;
1384 else
1385 data->fan_beep &= ~(1 << nr);
1386
1387 f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1388 mutex_unlock(&data->update_lock);
1389
1390 return count;
1391 }
1392
1393 /* Attr for models which can beep on Fan alarm */
1394 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
1395 SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1396 store_fan_beep, 0, 0),
1397 SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1398 store_fan_beep, 0, 1),
1399 SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1400 store_fan_beep, 0, 2),
1401 SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1402 store_fan_beep, 0, 3),
1403 };
1404
show_pwm_auto_point_channel(struct device * dev,struct device_attribute * devattr,char * buf)1405 static ssize_t show_pwm_auto_point_channel(struct device *dev,
1406 struct device_attribute *devattr,
1407 char *buf)
1408 {
1409 int result;
1410 struct f71882fg_data *data = f71882fg_update_device(dev);
1411 int nr = to_sensor_dev_attr_2(devattr)->index;
1412
1413 result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
1414 data->temp_start);
1415
1416 return sprintf(buf, "%d\n", result);
1417 }
1418
store_pwm_auto_point_channel(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1419 static ssize_t store_pwm_auto_point_channel(struct device *dev,
1420 struct device_attribute *devattr,
1421 const char *buf, size_t count)
1422 {
1423 struct f71882fg_data *data = dev_get_drvdata(dev);
1424 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1425 long val;
1426
1427 err = kstrtol(buf, 10, &val);
1428 if (err)
1429 return err;
1430
1431 switch (val) {
1432 case 1:
1433 val = 0;
1434 break;
1435 case 2:
1436 val = 1;
1437 break;
1438 case 4:
1439 val = 2;
1440 break;
1441 default:
1442 return -EINVAL;
1443 }
1444 val += data->temp_start;
1445 mutex_lock(&data->update_lock);
1446 data->pwm_auto_point_mapping[nr] =
1447 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1448 val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
1449 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1450 data->pwm_auto_point_mapping[nr] = val;
1451 mutex_unlock(&data->update_lock);
1452
1453 return count;
1454 }
1455
show_pwm_auto_point_pwm(struct device * dev,struct device_attribute * devattr,char * buf)1456 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1457 struct device_attribute *devattr,
1458 char *buf)
1459 {
1460 int result;
1461 struct f71882fg_data *data = f71882fg_update_device(dev);
1462 int pwm = to_sensor_dev_attr_2(devattr)->index;
1463 int point = to_sensor_dev_attr_2(devattr)->nr;
1464
1465 mutex_lock(&data->update_lock);
1466 if (data->pwm_enable & (1 << (2 * pwm))) {
1467 /* PWM mode */
1468 result = data->pwm_auto_point_pwm[pwm][point];
1469 } else {
1470 /* RPM mode */
1471 result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1472 }
1473 mutex_unlock(&data->update_lock);
1474
1475 return sprintf(buf, "%d\n", result);
1476 }
1477
store_pwm_auto_point_pwm(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1478 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1479 struct device_attribute *devattr,
1480 const char *buf, size_t count)
1481 {
1482 struct f71882fg_data *data = dev_get_drvdata(dev);
1483 int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1484 int point = to_sensor_dev_attr_2(devattr)->nr;
1485 long val;
1486
1487 err = kstrtol(buf, 10, &val);
1488 if (err)
1489 return err;
1490
1491 val = clamp_val(val, 0, 255);
1492
1493 mutex_lock(&data->update_lock);
1494 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1495 if (data->pwm_enable & (1 << (2 * pwm))) {
1496 /* PWM mode */
1497 } else {
1498 /* RPM mode */
1499 if (val < 29) /* Prevent negative numbers */
1500 val = 255;
1501 else
1502 val = (255 - val) * 32 / val;
1503 }
1504 f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
1505 data->pwm_auto_point_pwm[pwm][point] = val;
1506 mutex_unlock(&data->update_lock);
1507
1508 return count;
1509 }
1510
show_pwm_auto_point_temp(struct device * dev,struct device_attribute * devattr,char * buf)1511 static ssize_t show_pwm_auto_point_temp(struct device *dev,
1512 struct device_attribute *devattr,
1513 char *buf)
1514 {
1515 int result;
1516 struct f71882fg_data *data = f71882fg_update_device(dev);
1517 int pwm = to_sensor_dev_attr_2(devattr)->index;
1518 int point = to_sensor_dev_attr_2(devattr)->nr;
1519
1520 result = data->pwm_auto_point_temp[pwm][point];
1521 return sprintf(buf, "%d\n", 1000 * result);
1522 }
1523
store_pwm_auto_point_temp(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1524 static ssize_t store_pwm_auto_point_temp(struct device *dev,
1525 struct device_attribute *devattr,
1526 const char *buf, size_t count)
1527 {
1528 struct f71882fg_data *data = dev_get_drvdata(dev);
1529 int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1530 int point = to_sensor_dev_attr_2(devattr)->nr;
1531 long val;
1532
1533 err = kstrtol(buf, 10, &val);
1534 if (err)
1535 return err;
1536
1537 val /= 1000;
1538
1539 if (data->auto_point_temp_signed)
1540 val = clamp_val(val, -128, 127);
1541 else
1542 val = clamp_val(val, 0, 127);
1543
1544 mutex_lock(&data->update_lock);
1545 f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
1546 data->pwm_auto_point_temp[pwm][point] = val;
1547 mutex_unlock(&data->update_lock);
1548
1549 return count;
1550 }
1551
show_pwm_auto_point_temp_hyst(struct device * dev,struct device_attribute * devattr,char * buf)1552 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
1553 struct device_attribute *devattr,
1554 char *buf)
1555 {
1556 int result = 0;
1557 struct f71882fg_data *data = f71882fg_update_device(dev);
1558 int nr = to_sensor_dev_attr_2(devattr)->index;
1559 int point = to_sensor_dev_attr_2(devattr)->nr;
1560
1561 mutex_lock(&data->update_lock);
1562 if (nr & 1)
1563 result = data->pwm_auto_point_hyst[nr / 2] >> 4;
1564 else
1565 result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
1566 result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
1567 mutex_unlock(&data->update_lock);
1568
1569 return sprintf(buf, "%d\n", result);
1570 }
1571
store_pwm_auto_point_temp_hyst(struct device * dev,struct device_attribute * devattr,const char * buf,size_t count)1572 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
1573 struct device_attribute *devattr,
1574 const char *buf, size_t count)
1575 {
1576 struct f71882fg_data *data = dev_get_drvdata(dev);
1577 int err, nr = to_sensor_dev_attr_2(devattr)->index;
1578 int point = to_sensor_dev_attr_2(devattr)->nr;
1579 u8 reg;
1580 long val;
1581
1582 err = kstrtol(buf, 10, &val);
1583 if (err)
1584 return err;
1585
1586 val /= 1000;
1587
1588 mutex_lock(&data->update_lock);
1589 data->pwm_auto_point_temp[nr][point] =
1590 f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
1591 val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
1592 data->pwm_auto_point_temp[nr][point]);
1593 val = data->pwm_auto_point_temp[nr][point] - val;
1594
1595 reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
1596 if (nr & 1)
1597 reg = (reg & 0x0f) | (val << 4);
1598 else
1599 reg = (reg & 0xf0) | val;
1600
1601 f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
1602 data->pwm_auto_point_hyst[nr / 2] = reg;
1603 mutex_unlock(&data->update_lock);
1604
1605 return count;
1606 }
1607
1608 /*
1609 * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
1610 * standard models
1611 */
1612 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
1613 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1614 show_pwm_auto_point_channel,
1615 store_pwm_auto_point_channel, 0, 0),
1616 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1617 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1618 1, 0),
1619 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1620 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1621 4, 0),
1622 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1623 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1624 0, 0),
1625 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1626 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1627 3, 0),
1628 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1629 show_pwm_auto_point_temp_hyst,
1630 store_pwm_auto_point_temp_hyst,
1631 0, 0),
1632 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1633 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1634 }, {
1635 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1636 show_pwm_auto_point_channel,
1637 store_pwm_auto_point_channel, 0, 1),
1638 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1639 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1640 1, 1),
1641 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1642 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1643 4, 1),
1644 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1645 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1646 0, 1),
1647 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1648 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1649 3, 1),
1650 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1651 show_pwm_auto_point_temp_hyst,
1652 store_pwm_auto_point_temp_hyst,
1653 0, 1),
1654 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1655 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1656 }, {
1657 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1658 show_pwm_auto_point_channel,
1659 store_pwm_auto_point_channel, 0, 2),
1660 SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1661 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1662 1, 2),
1663 SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1664 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1665 4, 2),
1666 SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1667 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1668 0, 2),
1669 SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1670 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1671 3, 2),
1672 SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1673 show_pwm_auto_point_temp_hyst,
1674 store_pwm_auto_point_temp_hyst,
1675 0, 2),
1676 SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1677 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1678 } };
1679
1680 /*
1681 * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
1682 * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
1683 * programmed instead of being hardcoded to 0xff
1684 */
1685 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
1686 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1687 show_pwm_auto_point_channel,
1688 store_pwm_auto_point_channel, 0, 0),
1689 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1690 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1691 0, 0),
1692 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1693 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1694 1, 0),
1695 SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1696 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1697 4, 0),
1698 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1699 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1700 0, 0),
1701 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1702 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1703 3, 0),
1704 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1705 show_pwm_auto_point_temp_hyst,
1706 store_pwm_auto_point_temp_hyst,
1707 0, 0),
1708 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1709 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1710 }, {
1711 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1712 show_pwm_auto_point_channel,
1713 store_pwm_auto_point_channel, 0, 1),
1714 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1715 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1716 0, 1),
1717 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1718 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1719 1, 1),
1720 SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1721 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1722 4, 1),
1723 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1724 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1725 0, 1),
1726 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1727 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1728 3, 1),
1729 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1730 show_pwm_auto_point_temp_hyst,
1731 store_pwm_auto_point_temp_hyst,
1732 0, 1),
1733 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1734 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1735 }, {
1736 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1737 show_pwm_auto_point_channel,
1738 store_pwm_auto_point_channel, 0, 2),
1739 SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1740 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1741 0, 2),
1742 SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1743 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1744 1, 2),
1745 SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1746 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1747 4, 2),
1748 SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1749 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1750 0, 2),
1751 SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1752 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1753 3, 2),
1754 SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1755 show_pwm_auto_point_temp_hyst,
1756 store_pwm_auto_point_temp_hyst,
1757 0, 2),
1758 SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1759 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1760 } };
1761
1762 /* PWM attr for the standard models */
1763 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
1764 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1765 show_pwm_auto_point_channel,
1766 store_pwm_auto_point_channel, 0, 0),
1767 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1768 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1769 0, 0),
1770 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1771 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1772 1, 0),
1773 SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1774 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1775 2, 0),
1776 SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1777 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1778 3, 0),
1779 SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1780 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1781 4, 0),
1782 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1783 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1784 0, 0),
1785 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1786 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1787 1, 0),
1788 SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
1789 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1790 2, 0),
1791 SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
1792 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1793 3, 0),
1794 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1795 show_pwm_auto_point_temp_hyst,
1796 store_pwm_auto_point_temp_hyst,
1797 0, 0),
1798 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1799 show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1800 SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
1801 show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1802 SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
1803 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1804 }, {
1805 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1806 show_pwm_auto_point_channel,
1807 store_pwm_auto_point_channel, 0, 1),
1808 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1809 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1810 0, 1),
1811 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1812 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1813 1, 1),
1814 SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1815 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1816 2, 1),
1817 SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1818 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1819 3, 1),
1820 SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1821 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1822 4, 1),
1823 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1824 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1825 0, 1),
1826 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1827 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1828 1, 1),
1829 SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
1830 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1831 2, 1),
1832 SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
1833 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1834 3, 1),
1835 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1836 show_pwm_auto_point_temp_hyst,
1837 store_pwm_auto_point_temp_hyst,
1838 0, 1),
1839 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1840 show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1841 SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
1842 show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1843 SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
1844 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1845 }, {
1846 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1847 show_pwm_auto_point_channel,
1848 store_pwm_auto_point_channel, 0, 2),
1849 SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1850 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1851 0, 2),
1852 SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1853 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1854 1, 2),
1855 SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1856 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1857 2, 2),
1858 SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1859 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1860 3, 2),
1861 SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1862 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1863 4, 2),
1864 SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1865 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1866 0, 2),
1867 SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1868 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1869 1, 2),
1870 SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
1871 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1872 2, 2),
1873 SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
1874 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1875 3, 2),
1876 SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1877 show_pwm_auto_point_temp_hyst,
1878 store_pwm_auto_point_temp_hyst,
1879 0, 2),
1880 SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1881 show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1882 SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
1883 show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1884 SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
1885 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1886 }, {
1887 SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
1888 show_pwm_auto_point_channel,
1889 store_pwm_auto_point_channel, 0, 3),
1890 SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
1891 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1892 0, 3),
1893 SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
1894 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1895 1, 3),
1896 SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
1897 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1898 2, 3),
1899 SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
1900 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1901 3, 3),
1902 SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
1903 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1904 4, 3),
1905 SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
1906 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1907 0, 3),
1908 SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
1909 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1910 1, 3),
1911 SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
1912 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1913 2, 3),
1914 SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
1915 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1916 3, 3),
1917 SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1918 show_pwm_auto_point_temp_hyst,
1919 store_pwm_auto_point_temp_hyst,
1920 0, 3),
1921 SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
1922 show_pwm_auto_point_temp_hyst, NULL, 1, 3),
1923 SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
1924 show_pwm_auto_point_temp_hyst, NULL, 2, 3),
1925 SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
1926 show_pwm_auto_point_temp_hyst, NULL, 3, 3),
1927 } };
1928
1929 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
1930 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
1931 SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
1932 };
1933
1934 /*
1935 * PWM attr for the f8000, zones mapped to temp instead of to pwm!
1936 * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
1937 * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
1938 */
1939 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
1940 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1941 show_pwm_auto_point_channel,
1942 store_pwm_auto_point_channel, 0, 0),
1943 SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1944 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1945 0, 2),
1946 SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1947 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1948 1, 2),
1949 SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1950 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1951 2, 2),
1952 SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1953 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1954 3, 2),
1955 SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1956 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1957 4, 2),
1958 SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
1959 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1960 0, 2),
1961 SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1962 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1963 1, 2),
1964 SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1965 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1966 2, 2),
1967 SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1968 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1969 3, 2),
1970 SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1971 show_pwm_auto_point_temp_hyst,
1972 store_pwm_auto_point_temp_hyst,
1973 0, 2),
1974 SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1975 show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1976 SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1977 show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1978 SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1979 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1980 }, {
1981 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1982 show_pwm_auto_point_channel,
1983 store_pwm_auto_point_channel, 0, 1),
1984 SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1985 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1986 0, 0),
1987 SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1988 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1989 1, 0),
1990 SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1991 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1992 2, 0),
1993 SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1994 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1995 3, 0),
1996 SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1997 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1998 4, 0),
1999 SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
2000 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2001 0, 0),
2002 SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
2003 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2004 1, 0),
2005 SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
2006 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2007 2, 0),
2008 SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
2009 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2010 3, 0),
2011 SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
2012 show_pwm_auto_point_temp_hyst,
2013 store_pwm_auto_point_temp_hyst,
2014 0, 0),
2015 SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
2016 show_pwm_auto_point_temp_hyst, NULL, 1, 0),
2017 SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
2018 show_pwm_auto_point_temp_hyst, NULL, 2, 0),
2019 SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
2020 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
2021 }, {
2022 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
2023 show_pwm_auto_point_channel,
2024 store_pwm_auto_point_channel, 0, 2),
2025 SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
2026 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2027 0, 1),
2028 SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
2029 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2030 1, 1),
2031 SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
2032 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2033 2, 1),
2034 SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
2035 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2036 3, 1),
2037 SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
2038 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2039 4, 1),
2040 SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
2041 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2042 0, 1),
2043 SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
2044 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2045 1, 1),
2046 SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
2047 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2048 2, 1),
2049 SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
2050 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2051 3, 1),
2052 SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
2053 show_pwm_auto_point_temp_hyst,
2054 store_pwm_auto_point_temp_hyst,
2055 0, 1),
2056 SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
2057 show_pwm_auto_point_temp_hyst, NULL, 1, 1),
2058 SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
2059 show_pwm_auto_point_temp_hyst, NULL, 2, 1),
2060 SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
2061 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
2062 } };
2063
2064 /* Super I/O functions */
superio_inb(int base,int reg)2065 static inline int superio_inb(int base, int reg)
2066 {
2067 outb(reg, base);
2068 return inb(base + 1);
2069 }
2070
superio_inw(int base,int reg)2071 static int superio_inw(int base, int reg)
2072 {
2073 int val;
2074 val = superio_inb(base, reg) << 8;
2075 val |= superio_inb(base, reg + 1);
2076 return val;
2077 }
2078
superio_enter(int base)2079 static inline int superio_enter(int base)
2080 {
2081 /* Don't step on other drivers' I/O space by accident */
2082 if (!request_muxed_region(base, 2, DRVNAME)) {
2083 pr_err("I/O address 0x%04x already in use\n", base);
2084 return -EBUSY;
2085 }
2086
2087 /* according to the datasheet the key must be send twice! */
2088 outb(SIO_UNLOCK_KEY, base);
2089 outb(SIO_UNLOCK_KEY, base);
2090
2091 return 0;
2092 }
2093
superio_select(int base,int ld)2094 static inline void superio_select(int base, int ld)
2095 {
2096 outb(SIO_REG_LDSEL, base);
2097 outb(ld, base + 1);
2098 }
2099
superio_exit(int base)2100 static inline void superio_exit(int base)
2101 {
2102 outb(SIO_LOCK_KEY, base);
2103 release_region(base, 2);
2104 }
2105
f71882fg_create_sysfs_files(struct platform_device * pdev,struct sensor_device_attribute_2 * attr,int count)2106 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2107 struct sensor_device_attribute_2 *attr, int count)
2108 {
2109 int err, i;
2110
2111 for (i = 0; i < count; i++) {
2112 err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2113 if (err)
2114 return err;
2115 }
2116 return 0;
2117 }
2118
f71882fg_remove_sysfs_files(struct platform_device * pdev,struct sensor_device_attribute_2 * attr,int count)2119 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2120 struct sensor_device_attribute_2 *attr, int count)
2121 {
2122 int i;
2123
2124 for (i = 0; i < count; i++)
2125 device_remove_file(&pdev->dev, &attr[i].dev_attr);
2126 }
2127
f71882fg_create_fan_sysfs_files(struct platform_device * pdev,int idx)2128 static int f71882fg_create_fan_sysfs_files(
2129 struct platform_device *pdev, int idx)
2130 {
2131 struct f71882fg_data *data = platform_get_drvdata(pdev);
2132 int err;
2133
2134 /* Sanity check the pwm setting */
2135 err = 0;
2136 switch (data->type) {
2137 case f71858fg:
2138 if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2139 err = 1;
2140 break;
2141 case f71862fg:
2142 if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2143 err = 1;
2144 break;
2145 case f8000:
2146 if (idx == 2)
2147 err = data->pwm_enable & 0x20;
2148 break;
2149 default:
2150 break;
2151 }
2152 if (err) {
2153 dev_err(&pdev->dev,
2154 "Invalid (reserved) pwm settings: 0x%02x, "
2155 "skipping fan %d\n",
2156 (data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2157 return 0; /* This is a non fatal condition */
2158 }
2159
2160 err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2161 ARRAY_SIZE(fxxxx_fan_attr[0]));
2162 if (err)
2163 return err;
2164
2165 if (f71882fg_fan_has_beep[data->type]) {
2166 err = f71882fg_create_sysfs_files(pdev,
2167 &fxxxx_fan_beep_attr[idx],
2168 1);
2169 if (err)
2170 return err;
2171 }
2172
2173 dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2174 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2175
2176 /* Check for unsupported auto pwm settings */
2177 switch (data->type) {
2178 case f71808e:
2179 case f71808a:
2180 case f71869:
2181 case f71869a:
2182 case f71889fg:
2183 case f71889ed:
2184 case f71889a:
2185 data->pwm_auto_point_mapping[idx] =
2186 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2187 if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2188 (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2189 dev_warn(&pdev->dev,
2190 "Auto pwm controlled by raw digital "
2191 "data, disabling pwm auto_point "
2192 "sysfs attributes for fan %d\n", idx + 1);
2193 return 0; /* This is a non fatal condition */
2194 }
2195 break;
2196 default:
2197 break;
2198 }
2199
2200 switch (data->type) {
2201 case f71862fg:
2202 err = f71882fg_create_sysfs_files(pdev,
2203 &f71862fg_auto_pwm_attr[idx][0],
2204 ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2205 break;
2206 case f71808e:
2207 case f71869:
2208 err = f71882fg_create_sysfs_files(pdev,
2209 &f71869_auto_pwm_attr[idx][0],
2210 ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2211 break;
2212 case f8000:
2213 err = f71882fg_create_sysfs_files(pdev,
2214 &f8000_auto_pwm_attr[idx][0],
2215 ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2216 break;
2217 default:
2218 err = f71882fg_create_sysfs_files(pdev,
2219 &fxxxx_auto_pwm_attr[idx][0],
2220 ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2221 }
2222
2223 return err;
2224 }
2225
f71882fg_remove(struct platform_device * pdev)2226 static void f71882fg_remove(struct platform_device *pdev)
2227 {
2228 struct f71882fg_data *data = platform_get_drvdata(pdev);
2229 int nr_fans = f71882fg_nr_fans[data->type];
2230 int nr_temps = f71882fg_nr_temps[data->type];
2231 int i;
2232 u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2233
2234 if (data->hwmon_dev)
2235 hwmon_device_unregister(data->hwmon_dev);
2236
2237 device_remove_file(&pdev->dev, &dev_attr_name);
2238
2239 if (start_reg & 0x01) {
2240 switch (data->type) {
2241 case f71858fg:
2242 if (data->temp_config & 0x10)
2243 f71882fg_remove_sysfs_files(pdev,
2244 f8000_temp_attr,
2245 ARRAY_SIZE(f8000_temp_attr));
2246 else
2247 f71882fg_remove_sysfs_files(pdev,
2248 f71858fg_temp_attr,
2249 ARRAY_SIZE(f71858fg_temp_attr));
2250 break;
2251 case f8000:
2252 f71882fg_remove_sysfs_files(pdev,
2253 f8000_temp_attr,
2254 ARRAY_SIZE(f8000_temp_attr));
2255 break;
2256 case f81866a:
2257 f71882fg_remove_sysfs_files(pdev,
2258 f71858fg_temp_attr,
2259 ARRAY_SIZE(f71858fg_temp_attr));
2260 break;
2261 default:
2262 f71882fg_remove_sysfs_files(pdev,
2263 &fxxxx_temp_attr[0][0],
2264 ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2265 }
2266 if (f71882fg_temp_has_beep[data->type]) {
2267 if (data->type == f81866a)
2268 f71882fg_remove_sysfs_files(pdev,
2269 &f81866_temp_beep_attr[0][0],
2270 ARRAY_SIZE(f81866_temp_beep_attr[0])
2271 * nr_temps);
2272 else
2273 f71882fg_remove_sysfs_files(pdev,
2274 &fxxxx_temp_beep_attr[0][0],
2275 ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2276 * nr_temps);
2277 }
2278
2279 for (i = 0; i < F71882FG_MAX_INS; i++) {
2280 if (f71882fg_has_in[data->type][i]) {
2281 device_remove_file(&pdev->dev,
2282 &fxxxx_in_attr[i].dev_attr);
2283 }
2284 }
2285 if (f71882fg_has_in1_alarm[data->type]) {
2286 f71882fg_remove_sysfs_files(pdev,
2287 fxxxx_in1_alarm_attr,
2288 ARRAY_SIZE(fxxxx_in1_alarm_attr));
2289 }
2290 }
2291
2292 if (start_reg & 0x02) {
2293 f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2294 ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2295
2296 if (f71882fg_fan_has_beep[data->type]) {
2297 f71882fg_remove_sysfs_files(pdev,
2298 fxxxx_fan_beep_attr, nr_fans);
2299 }
2300
2301 switch (data->type) {
2302 case f71808a:
2303 f71882fg_remove_sysfs_files(pdev,
2304 &fxxxx_auto_pwm_attr[0][0],
2305 ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2306 f71882fg_remove_sysfs_files(pdev,
2307 f71808a_fan3_attr,
2308 ARRAY_SIZE(f71808a_fan3_attr));
2309 break;
2310 case f71862fg:
2311 f71882fg_remove_sysfs_files(pdev,
2312 &f71862fg_auto_pwm_attr[0][0],
2313 ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2314 nr_fans);
2315 break;
2316 case f71808e:
2317 case f71869:
2318 f71882fg_remove_sysfs_files(pdev,
2319 &f71869_auto_pwm_attr[0][0],
2320 ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2321 break;
2322 case f8000:
2323 f71882fg_remove_sysfs_files(pdev,
2324 f8000_fan_attr,
2325 ARRAY_SIZE(f8000_fan_attr));
2326 f71882fg_remove_sysfs_files(pdev,
2327 &f8000_auto_pwm_attr[0][0],
2328 ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2329 break;
2330 default:
2331 f71882fg_remove_sysfs_files(pdev,
2332 &fxxxx_auto_pwm_attr[0][0],
2333 ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2334 }
2335 }
2336 }
2337
f71882fg_probe(struct platform_device * pdev)2338 static int f71882fg_probe(struct platform_device *pdev)
2339 {
2340 struct f71882fg_data *data;
2341 struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2342 int nr_fans = f71882fg_nr_fans[sio_data->type];
2343 int nr_temps = f71882fg_nr_temps[sio_data->type];
2344 int err, i;
2345 int size;
2346 u8 start_reg, reg;
2347
2348 data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2349 GFP_KERNEL);
2350 if (!data)
2351 return -ENOMEM;
2352
2353 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2354 data->type = sio_data->type;
2355 data->temp_start =
2356 (data->type == f71858fg || data->type == f8000 ||
2357 data->type == f81866a) ? 0 : 1;
2358 mutex_init(&data->update_lock);
2359 platform_set_drvdata(pdev, data);
2360
2361 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2362 if (start_reg & 0x04) {
2363 dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2364 return -ENODEV;
2365 }
2366 if (!(start_reg & 0x03)) {
2367 dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2368 return -ENODEV;
2369 }
2370
2371 /* Register sysfs interface files */
2372 err = device_create_file(&pdev->dev, &dev_attr_name);
2373 if (err)
2374 goto exit_unregister_sysfs;
2375
2376 if (start_reg & 0x01) {
2377 switch (data->type) {
2378 case f71858fg:
2379 data->temp_config =
2380 f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2381 if (data->temp_config & 0x10)
2382 /*
2383 * The f71858fg temperature alarms behave as
2384 * the f8000 alarms in this mode
2385 */
2386 err = f71882fg_create_sysfs_files(pdev,
2387 f8000_temp_attr,
2388 ARRAY_SIZE(f8000_temp_attr));
2389 else
2390 err = f71882fg_create_sysfs_files(pdev,
2391 f71858fg_temp_attr,
2392 ARRAY_SIZE(f71858fg_temp_attr));
2393 break;
2394 case f8000:
2395 err = f71882fg_create_sysfs_files(pdev,
2396 f8000_temp_attr,
2397 ARRAY_SIZE(f8000_temp_attr));
2398 break;
2399 case f81866a:
2400 err = f71882fg_create_sysfs_files(pdev,
2401 f71858fg_temp_attr,
2402 ARRAY_SIZE(f71858fg_temp_attr));
2403 break;
2404 default:
2405 err = f71882fg_create_sysfs_files(pdev,
2406 &fxxxx_temp_attr[0][0],
2407 ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2408 }
2409 if (err)
2410 goto exit_unregister_sysfs;
2411
2412 if (f71882fg_temp_has_beep[data->type]) {
2413 if (data->type == f81866a) {
2414 size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2415 err = f71882fg_create_sysfs_files(pdev,
2416 &f81866_temp_beep_attr[0][0],
2417 size * nr_temps);
2418
2419 } else {
2420 size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2421 err = f71882fg_create_sysfs_files(pdev,
2422 &fxxxx_temp_beep_attr[0][0],
2423 size * nr_temps);
2424 }
2425 if (err)
2426 goto exit_unregister_sysfs;
2427 }
2428
2429 for (i = 0; i < F71882FG_MAX_INS; i++) {
2430 if (f71882fg_has_in[data->type][i]) {
2431 err = device_create_file(&pdev->dev,
2432 &fxxxx_in_attr[i].dev_attr);
2433 if (err)
2434 goto exit_unregister_sysfs;
2435 }
2436 }
2437 if (f71882fg_has_in1_alarm[data->type]) {
2438 err = f71882fg_create_sysfs_files(pdev,
2439 fxxxx_in1_alarm_attr,
2440 ARRAY_SIZE(fxxxx_in1_alarm_attr));
2441 if (err)
2442 goto exit_unregister_sysfs;
2443 }
2444 }
2445
2446 if (start_reg & 0x02) {
2447 switch (data->type) {
2448 case f71808e:
2449 case f71808a:
2450 case f71869:
2451 case f71869a:
2452 /* These always have signed auto point temps */
2453 data->auto_point_temp_signed = 1;
2454 fallthrough; /* to select correct fan/pwm reg bank! */
2455 case f71889fg:
2456 case f71889ed:
2457 case f71889a:
2458 reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2459 if (reg & F71882FG_FAN_NEG_TEMP_EN)
2460 data->auto_point_temp_signed = 1;
2461 /* Ensure banked pwm registers point to right bank */
2462 reg &= ~F71882FG_FAN_PROG_SEL;
2463 f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2464 break;
2465 default:
2466 break;
2467 }
2468
2469 data->pwm_enable =
2470 f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2471
2472 for (i = 0; i < nr_fans; i++) {
2473 err = f71882fg_create_fan_sysfs_files(pdev, i);
2474 if (err)
2475 goto exit_unregister_sysfs;
2476 }
2477
2478 /* Some types have 1 extra fan with limited functionality */
2479 switch (data->type) {
2480 case f71808a:
2481 err = f71882fg_create_sysfs_files(pdev,
2482 f71808a_fan3_attr,
2483 ARRAY_SIZE(f71808a_fan3_attr));
2484 break;
2485 case f8000:
2486 err = f71882fg_create_sysfs_files(pdev,
2487 f8000_fan_attr,
2488 ARRAY_SIZE(f8000_fan_attr));
2489 break;
2490 default:
2491 break;
2492 }
2493 if (err)
2494 goto exit_unregister_sysfs;
2495 }
2496
2497 data->hwmon_dev = hwmon_device_register(&pdev->dev);
2498 if (IS_ERR(data->hwmon_dev)) {
2499 err = PTR_ERR(data->hwmon_dev);
2500 data->hwmon_dev = NULL;
2501 goto exit_unregister_sysfs;
2502 }
2503
2504 return 0;
2505
2506 exit_unregister_sysfs:
2507 f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2508 return err; /* f71882fg_remove() also frees our data */
2509 }
2510
f71882fg_find(int sioaddr,struct f71882fg_sio_data * sio_data)2511 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2512 {
2513 u16 devid;
2514 unsigned short address;
2515 int err = superio_enter(sioaddr);
2516 if (err)
2517 return err;
2518
2519 devid = superio_inw(sioaddr, SIO_REG_MANID);
2520 if (devid != SIO_FINTEK_ID) {
2521 pr_debug("Not a Fintek device\n");
2522 err = -ENODEV;
2523 goto exit;
2524 }
2525
2526 devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2527 switch (devid) {
2528 case SIO_F71808E_ID:
2529 sio_data->type = f71808e;
2530 break;
2531 case SIO_F71808A_ID:
2532 sio_data->type = f71808a;
2533 break;
2534 case SIO_F71858_ID:
2535 case SIO_F71858AD_ID:
2536 sio_data->type = f71858fg;
2537 break;
2538 case SIO_F71862_ID:
2539 sio_data->type = f71862fg;
2540 break;
2541 case SIO_F71868_ID:
2542 sio_data->type = f71868a;
2543 break;
2544 case SIO_F71869_ID:
2545 sio_data->type = f71869;
2546 break;
2547 case SIO_F71869A_ID:
2548 sio_data->type = f71869a;
2549 break;
2550 case SIO_F71882_ID:
2551 sio_data->type = f71882fg;
2552 break;
2553 case SIO_F71889_ID:
2554 sio_data->type = f71889fg;
2555 break;
2556 case SIO_F71889E_ID:
2557 sio_data->type = f71889ed;
2558 break;
2559 case SIO_F71889A_ID:
2560 sio_data->type = f71889a;
2561 break;
2562 case SIO_F8000_ID:
2563 sio_data->type = f8000;
2564 break;
2565 case SIO_F81768D_ID:
2566 sio_data->type = f81768d;
2567 break;
2568 case SIO_F81865_ID:
2569 sio_data->type = f81865f;
2570 break;
2571 case SIO_F81866_ID:
2572 case SIO_F81966_ID:
2573 sio_data->type = f81866a;
2574 break;
2575 default:
2576 pr_info("Unsupported Fintek device: %04x\n",
2577 (unsigned int)devid);
2578 err = -ENODEV;
2579 goto exit;
2580 }
2581
2582 if (sio_data->type == f71858fg)
2583 superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2584 else
2585 superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2586
2587 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2588 pr_warn("Device not activated\n");
2589 err = -ENODEV;
2590 goto exit;
2591 }
2592
2593 address = superio_inw(sioaddr, SIO_REG_ADDR);
2594 if (address == 0) {
2595 pr_warn("Base address not set\n");
2596 err = -ENODEV;
2597 goto exit;
2598 }
2599 address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
2600
2601 err = address;
2602 pr_info("Found %s chip at %#x, revision %d\n",
2603 f71882fg_names[sio_data->type], (unsigned int)address,
2604 (int)superio_inb(sioaddr, SIO_REG_DEVREV));
2605 exit:
2606 superio_exit(sioaddr);
2607 return err;
2608 }
2609
f71882fg_device_add(int address,const struct f71882fg_sio_data * sio_data)2610 static int __init f71882fg_device_add(int address,
2611 const struct f71882fg_sio_data *sio_data)
2612 {
2613 struct resource res = {
2614 .start = address,
2615 .end = address + REGION_LENGTH - 1,
2616 .flags = IORESOURCE_IO,
2617 };
2618 int err;
2619
2620 f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2621 if (!f71882fg_pdev)
2622 return -ENOMEM;
2623
2624 res.name = f71882fg_pdev->name;
2625 err = acpi_check_resource_conflict(&res);
2626 if (err)
2627 goto exit_device_put;
2628
2629 err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2630 if (err) {
2631 pr_err("Device resource addition failed\n");
2632 goto exit_device_put;
2633 }
2634
2635 err = platform_device_add_data(f71882fg_pdev, sio_data,
2636 sizeof(struct f71882fg_sio_data));
2637 if (err) {
2638 pr_err("Platform data allocation failed\n");
2639 goto exit_device_put;
2640 }
2641
2642 err = platform_device_add(f71882fg_pdev);
2643 if (err) {
2644 pr_err("Device addition failed\n");
2645 goto exit_device_put;
2646 }
2647
2648 return 0;
2649
2650 exit_device_put:
2651 platform_device_put(f71882fg_pdev);
2652
2653 return err;
2654 }
2655
2656 static struct platform_driver f71882fg_driver = {
2657 .driver = {
2658 .name = DRVNAME,
2659 },
2660 .probe = f71882fg_probe,
2661 .remove_new = f71882fg_remove,
2662 };
2663
f71882fg_init(void)2664 static int __init f71882fg_init(void)
2665 {
2666 int err;
2667 int address;
2668 struct f71882fg_sio_data sio_data;
2669
2670 memset(&sio_data, 0, sizeof(sio_data));
2671
2672 address = f71882fg_find(0x2e, &sio_data);
2673 if (address < 0)
2674 address = f71882fg_find(0x4e, &sio_data);
2675 if (address < 0)
2676 return address;
2677
2678 err = platform_driver_register(&f71882fg_driver);
2679 if (err)
2680 return err;
2681
2682 err = f71882fg_device_add(address, &sio_data);
2683 if (err)
2684 goto exit_driver;
2685
2686 return 0;
2687
2688 exit_driver:
2689 platform_driver_unregister(&f71882fg_driver);
2690 return err;
2691 }
2692
f71882fg_exit(void)2693 static void __exit f71882fg_exit(void)
2694 {
2695 platform_device_unregister(f71882fg_pdev);
2696 platform_driver_unregister(&f71882fg_driver);
2697 }
2698
2699 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2700 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2701 MODULE_LICENSE("GPL");
2702
2703 module_init(f71882fg_init);
2704 module_exit(f71882fg_exit);
2705