1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O |
4 | * chips integrated hardware monitoring features |
5 | * Copyright (C) 2005-2006 Jean Delvare <jdelvare@suse.de> |
6 | * |
7 | * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates |
8 | * complete hardware monitoring features: voltage, fan and temperature |
9 | * sensors, and manual and automatic fan speed control. |
10 | * |
11 | * The F71872F/FG is almost the same, with two more voltages monitored, |
12 | * and 6 VID inputs. |
13 | * |
14 | * The F71806F/FG is essentially the same as the F71872F/FG. It even has |
15 | * the same chip ID, so the driver can't differentiate between. |
16 | */ |
17 | |
18 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
19 | |
20 | #include <linux/module.h> |
21 | #include <linux/init.h> |
22 | #include <linux/slab.h> |
23 | #include <linux/jiffies.h> |
24 | #include <linux/platform_device.h> |
25 | #include <linux/hwmon.h> |
26 | #include <linux/hwmon-sysfs.h> |
27 | #include <linux/err.h> |
28 | #include <linux/mutex.h> |
29 | #include <linux/sysfs.h> |
30 | #include <linux/ioport.h> |
31 | #include <linux/acpi.h> |
32 | #include <linux/io.h> |
33 | |
34 | static unsigned short force_id; |
35 | module_param(force_id, ushort, 0); |
36 | MODULE_PARM_DESC(force_id, "Override the detected device ID" ); |
37 | |
38 | static struct platform_device *pdev; |
39 | |
40 | #define DRVNAME "f71805f" |
41 | enum kinds { f71805f, f71872f }; |
42 | |
43 | /* |
44 | * Super-I/O constants and functions |
45 | */ |
46 | |
47 | #define F71805F_LD_HWM 0x04 |
48 | |
49 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
50 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
51 | #define SIO_REG_DEVREV 0x22 /* Device revision */ |
52 | #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ |
53 | #define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */ |
54 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
55 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
56 | |
57 | #define SIO_FINTEK_ID 0x1934 |
58 | #define SIO_F71805F_ID 0x0406 |
59 | #define SIO_F71872F_ID 0x0341 |
60 | |
61 | static inline int |
62 | superio_inb(int base, int reg) |
63 | { |
64 | outb(value: reg, port: base); |
65 | return inb(port: base + 1); |
66 | } |
67 | |
68 | static int |
69 | superio_inw(int base, int reg) |
70 | { |
71 | int val; |
72 | outb(value: reg++, port: base); |
73 | val = inb(port: base + 1) << 8; |
74 | outb(value: reg, port: base); |
75 | val |= inb(port: base + 1); |
76 | return val; |
77 | } |
78 | |
79 | static inline void |
80 | superio_select(int base, int ld) |
81 | { |
82 | outb(SIO_REG_LDSEL, port: base); |
83 | outb(value: ld, port: base + 1); |
84 | } |
85 | |
86 | static inline int |
87 | superio_enter(int base) |
88 | { |
89 | if (!request_muxed_region(base, 2, DRVNAME)) |
90 | return -EBUSY; |
91 | |
92 | outb(value: 0x87, port: base); |
93 | outb(value: 0x87, port: base); |
94 | |
95 | return 0; |
96 | } |
97 | |
98 | static inline void |
99 | superio_exit(int base) |
100 | { |
101 | outb(value: 0xaa, port: base); |
102 | release_region(base, 2); |
103 | } |
104 | |
105 | /* |
106 | * ISA constants |
107 | */ |
108 | |
109 | #define REGION_LENGTH 8 |
110 | #define ADDR_REG_OFFSET 5 |
111 | #define DATA_REG_OFFSET 6 |
112 | |
113 | /* |
114 | * Registers |
115 | */ |
116 | |
117 | /* in nr from 0 to 10 (8-bit values) */ |
118 | #define F71805F_REG_IN(nr) (0x10 + (nr)) |
119 | #define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E) |
120 | #define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F) |
121 | /* fan nr from 0 to 2 (12-bit values, two registers) */ |
122 | #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr)) |
123 | #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr)) |
124 | #define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr)) |
125 | #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr)) |
126 | #define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr)) |
127 | #define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr)) |
128 | /* temp nr from 0 to 2 (8-bit values) */ |
129 | #define F71805F_REG_TEMP(nr) (0x1B + (nr)) |
130 | #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr)) |
131 | #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr)) |
132 | #define F71805F_REG_TEMP_MODE 0x01 |
133 | /* pwm/fan pwmnr from 0 to 2, auto point apnr from 0 to 2 */ |
134 | /* map Fintek numbers to our numbers as follows: 9->0, 5->1, 1->2 */ |
135 | #define F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr) \ |
136 | (0xA0 + 0x10 * (pwmnr) + (2 - (apnr))) |
137 | #define F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr) \ |
138 | (0xA4 + 0x10 * (pwmnr) + \ |
139 | 2 * (2 - (apnr))) |
140 | |
141 | #define F71805F_REG_START 0x00 |
142 | /* status nr from 0 to 2 */ |
143 | #define F71805F_REG_STATUS(nr) (0x36 + (nr)) |
144 | |
145 | /* individual register bits */ |
146 | #define FAN_CTRL_DC_MODE 0x10 |
147 | #define FAN_CTRL_LATCH_FULL 0x08 |
148 | #define FAN_CTRL_MODE_MASK 0x03 |
149 | #define FAN_CTRL_MODE_SPEED 0x00 |
150 | #define FAN_CTRL_MODE_TEMPERATURE 0x01 |
151 | #define FAN_CTRL_MODE_MANUAL 0x02 |
152 | |
153 | /* |
154 | * Data structures and manipulation thereof |
155 | */ |
156 | |
157 | struct f71805f_auto_point { |
158 | u8 temp[3]; |
159 | u16 fan[3]; |
160 | }; |
161 | |
162 | struct f71805f_data { |
163 | unsigned short addr; |
164 | const char *name; |
165 | struct device *hwmon_dev; |
166 | |
167 | struct mutex update_lock; |
168 | bool valid; /* true if following fields are valid */ |
169 | unsigned long last_updated; /* In jiffies */ |
170 | unsigned long last_limits; /* In jiffies */ |
171 | |
172 | /* Register values */ |
173 | u8 in[11]; |
174 | u8 in_high[11]; |
175 | u8 in_low[11]; |
176 | u16 has_in; |
177 | u16 fan[3]; |
178 | u16 fan_low[3]; |
179 | u16 fan_target[3]; |
180 | u8 fan_ctrl[3]; |
181 | u8 pwm[3]; |
182 | u8 pwm_freq[3]; |
183 | u8 temp[3]; |
184 | u8 temp_high[3]; |
185 | u8 temp_hyst[3]; |
186 | u8 temp_mode; |
187 | unsigned long alarms; |
188 | struct f71805f_auto_point auto_points[3]; |
189 | }; |
190 | |
191 | struct f71805f_sio_data { |
192 | enum kinds kind; |
193 | u8 fnsel1; |
194 | }; |
195 | |
196 | static inline long in_from_reg(u8 reg) |
197 | { |
198 | return reg * 8; |
199 | } |
200 | |
201 | /* The 2 least significant bits are not used */ |
202 | static inline u8 in_to_reg(long val) |
203 | { |
204 | if (val <= 0) |
205 | return 0; |
206 | if (val >= 2016) |
207 | return 0xfc; |
208 | return ((val + 16) / 32) << 2; |
209 | } |
210 | |
211 | /* in0 is downscaled by a factor 2 internally */ |
212 | static inline long in0_from_reg(u8 reg) |
213 | { |
214 | return reg * 16; |
215 | } |
216 | |
217 | static inline u8 in0_to_reg(long val) |
218 | { |
219 | if (val <= 0) |
220 | return 0; |
221 | if (val >= 4032) |
222 | return 0xfc; |
223 | return ((val + 32) / 64) << 2; |
224 | } |
225 | |
226 | /* The 4 most significant bits are not used */ |
227 | static inline long fan_from_reg(u16 reg) |
228 | { |
229 | reg &= 0xfff; |
230 | if (!reg || reg == 0xfff) |
231 | return 0; |
232 | return 1500000 / reg; |
233 | } |
234 | |
235 | static inline u16 fan_to_reg(long rpm) |
236 | { |
237 | /* |
238 | * If the low limit is set below what the chip can measure, |
239 | * store the largest possible 12-bit value in the registers, |
240 | * so that no alarm will ever trigger. |
241 | */ |
242 | if (rpm < 367) |
243 | return 0xfff; |
244 | return 1500000 / rpm; |
245 | } |
246 | |
247 | static inline unsigned long pwm_freq_from_reg(u8 reg) |
248 | { |
249 | unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL; |
250 | |
251 | reg &= 0x7f; |
252 | if (reg == 0) |
253 | reg++; |
254 | return clock / (reg << 8); |
255 | } |
256 | |
257 | static inline u8 pwm_freq_to_reg(unsigned long val) |
258 | { |
259 | if (val >= 187500) /* The highest we can do */ |
260 | return 0x80; |
261 | if (val >= 1475) /* Use 48 MHz clock */ |
262 | return 0x80 | (48000000UL / (val << 8)); |
263 | if (val < 31) /* The lowest we can do */ |
264 | return 0x7f; |
265 | else /* Use 1 MHz clock */ |
266 | return 1000000UL / (val << 8); |
267 | } |
268 | |
269 | static inline int pwm_mode_from_reg(u8 reg) |
270 | { |
271 | return !(reg & FAN_CTRL_DC_MODE); |
272 | } |
273 | |
274 | static inline long temp_from_reg(u8 reg) |
275 | { |
276 | return reg * 1000; |
277 | } |
278 | |
279 | static inline u8 temp_to_reg(long val) |
280 | { |
281 | if (val <= 0) |
282 | return 0; |
283 | if (val >= 1000 * 0xff) |
284 | return 0xff; |
285 | return (val + 500) / 1000; |
286 | } |
287 | |
288 | /* |
289 | * Device I/O access |
290 | */ |
291 | |
292 | /* Must be called with data->update_lock held, except during initialization */ |
293 | static u8 f71805f_read8(struct f71805f_data *data, u8 reg) |
294 | { |
295 | outb(value: reg, port: data->addr + ADDR_REG_OFFSET); |
296 | return inb(port: data->addr + DATA_REG_OFFSET); |
297 | } |
298 | |
299 | /* Must be called with data->update_lock held, except during initialization */ |
300 | static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val) |
301 | { |
302 | outb(value: reg, port: data->addr + ADDR_REG_OFFSET); |
303 | outb(value: val, port: data->addr + DATA_REG_OFFSET); |
304 | } |
305 | |
306 | /* |
307 | * It is important to read the MSB first, because doing so latches the |
308 | * value of the LSB, so we are sure both bytes belong to the same value. |
309 | * Must be called with data->update_lock held, except during initialization |
310 | */ |
311 | static u16 f71805f_read16(struct f71805f_data *data, u8 reg) |
312 | { |
313 | u16 val; |
314 | |
315 | outb(value: reg, port: data->addr + ADDR_REG_OFFSET); |
316 | val = inb(port: data->addr + DATA_REG_OFFSET) << 8; |
317 | outb(value: ++reg, port: data->addr + ADDR_REG_OFFSET); |
318 | val |= inb(port: data->addr + DATA_REG_OFFSET); |
319 | |
320 | return val; |
321 | } |
322 | |
323 | /* Must be called with data->update_lock held, except during initialization */ |
324 | static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val) |
325 | { |
326 | outb(value: reg, port: data->addr + ADDR_REG_OFFSET); |
327 | outb(value: val >> 8, port: data->addr + DATA_REG_OFFSET); |
328 | outb(value: ++reg, port: data->addr + ADDR_REG_OFFSET); |
329 | outb(value: val & 0xff, port: data->addr + DATA_REG_OFFSET); |
330 | } |
331 | |
332 | static struct f71805f_data *f71805f_update_device(struct device *dev) |
333 | { |
334 | struct f71805f_data *data = dev_get_drvdata(dev); |
335 | int nr, apnr; |
336 | |
337 | mutex_lock(&data->update_lock); |
338 | |
339 | /* Limit registers cache is refreshed after 60 seconds */ |
340 | if (time_after(jiffies, data->last_updated + 60 * HZ) |
341 | || !data->valid) { |
342 | for (nr = 0; nr < 11; nr++) { |
343 | if (!(data->has_in & (1 << nr))) |
344 | continue; |
345 | data->in_high[nr] = f71805f_read8(data, |
346 | F71805F_REG_IN_HIGH(nr)); |
347 | data->in_low[nr] = f71805f_read8(data, |
348 | F71805F_REG_IN_LOW(nr)); |
349 | } |
350 | for (nr = 0; nr < 3; nr++) { |
351 | data->fan_low[nr] = f71805f_read16(data, |
352 | F71805F_REG_FAN_LOW(nr)); |
353 | data->fan_target[nr] = f71805f_read16(data, |
354 | F71805F_REG_FAN_TARGET(nr)); |
355 | data->pwm_freq[nr] = f71805f_read8(data, |
356 | F71805F_REG_PWM_FREQ(nr)); |
357 | } |
358 | for (nr = 0; nr < 3; nr++) { |
359 | data->temp_high[nr] = f71805f_read8(data, |
360 | F71805F_REG_TEMP_HIGH(nr)); |
361 | data->temp_hyst[nr] = f71805f_read8(data, |
362 | F71805F_REG_TEMP_HYST(nr)); |
363 | } |
364 | data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE); |
365 | for (nr = 0; nr < 3; nr++) { |
366 | for (apnr = 0; apnr < 3; apnr++) { |
367 | data->auto_points[nr].temp[apnr] = |
368 | f71805f_read8(data, |
369 | F71805F_REG_PWM_AUTO_POINT_TEMP(nr, |
370 | apnr)); |
371 | data->auto_points[nr].fan[apnr] = |
372 | f71805f_read16(data, |
373 | F71805F_REG_PWM_AUTO_POINT_FAN(nr, |
374 | apnr)); |
375 | } |
376 | } |
377 | |
378 | data->last_limits = jiffies; |
379 | } |
380 | |
381 | /* Measurement registers cache is refreshed after 1 second */ |
382 | if (time_after(jiffies, data->last_updated + HZ) |
383 | || !data->valid) { |
384 | for (nr = 0; nr < 11; nr++) { |
385 | if (!(data->has_in & (1 << nr))) |
386 | continue; |
387 | data->in[nr] = f71805f_read8(data, |
388 | F71805F_REG_IN(nr)); |
389 | } |
390 | for (nr = 0; nr < 3; nr++) { |
391 | data->fan[nr] = f71805f_read16(data, |
392 | F71805F_REG_FAN(nr)); |
393 | data->fan_ctrl[nr] = f71805f_read8(data, |
394 | F71805F_REG_FAN_CTRL(nr)); |
395 | data->pwm[nr] = f71805f_read8(data, |
396 | F71805F_REG_PWM_DUTY(nr)); |
397 | } |
398 | for (nr = 0; nr < 3; nr++) { |
399 | data->temp[nr] = f71805f_read8(data, |
400 | F71805F_REG_TEMP(nr)); |
401 | } |
402 | data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0)) |
403 | + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8) |
404 | + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16); |
405 | |
406 | data->last_updated = jiffies; |
407 | data->valid = true; |
408 | } |
409 | |
410 | mutex_unlock(lock: &data->update_lock); |
411 | |
412 | return data; |
413 | } |
414 | |
415 | /* |
416 | * Sysfs interface |
417 | */ |
418 | |
419 | static ssize_t show_in0(struct device *dev, struct device_attribute *devattr, |
420 | char *buf) |
421 | { |
422 | struct f71805f_data *data = f71805f_update_device(dev); |
423 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
424 | int nr = attr->index; |
425 | |
426 | return sprintf(buf, fmt: "%ld\n" , in0_from_reg(reg: data->in[nr])); |
427 | } |
428 | |
429 | static ssize_t show_in0_max(struct device *dev, struct device_attribute |
430 | *devattr, char *buf) |
431 | { |
432 | struct f71805f_data *data = f71805f_update_device(dev); |
433 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
434 | int nr = attr->index; |
435 | |
436 | return sprintf(buf, fmt: "%ld\n" , in0_from_reg(reg: data->in_high[nr])); |
437 | } |
438 | |
439 | static ssize_t show_in0_min(struct device *dev, struct device_attribute |
440 | *devattr, char *buf) |
441 | { |
442 | struct f71805f_data *data = f71805f_update_device(dev); |
443 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
444 | int nr = attr->index; |
445 | |
446 | return sprintf(buf, fmt: "%ld\n" , in0_from_reg(reg: data->in_low[nr])); |
447 | } |
448 | |
449 | static ssize_t set_in0_max(struct device *dev, struct device_attribute |
450 | *devattr, const char *buf, size_t count) |
451 | { |
452 | struct f71805f_data *data = dev_get_drvdata(dev); |
453 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
454 | int nr = attr->index; |
455 | long val; |
456 | int err; |
457 | |
458 | err = kstrtol(s: buf, base: 10, res: &val); |
459 | if (err) |
460 | return err; |
461 | |
462 | mutex_lock(&data->update_lock); |
463 | data->in_high[nr] = in0_to_reg(val); |
464 | f71805f_write8(data, F71805F_REG_IN_HIGH(nr), val: data->in_high[nr]); |
465 | mutex_unlock(lock: &data->update_lock); |
466 | |
467 | return count; |
468 | } |
469 | |
470 | static ssize_t set_in0_min(struct device *dev, struct device_attribute |
471 | *devattr, const char *buf, size_t count) |
472 | { |
473 | struct f71805f_data *data = dev_get_drvdata(dev); |
474 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
475 | int nr = attr->index; |
476 | long val; |
477 | int err; |
478 | |
479 | err = kstrtol(s: buf, base: 10, res: &val); |
480 | if (err) |
481 | return err; |
482 | |
483 | mutex_lock(&data->update_lock); |
484 | data->in_low[nr] = in0_to_reg(val); |
485 | f71805f_write8(data, F71805F_REG_IN_LOW(nr), val: data->in_low[nr]); |
486 | mutex_unlock(lock: &data->update_lock); |
487 | |
488 | return count; |
489 | } |
490 | |
491 | static ssize_t show_in(struct device *dev, struct device_attribute *devattr, |
492 | char *buf) |
493 | { |
494 | struct f71805f_data *data = f71805f_update_device(dev); |
495 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
496 | int nr = attr->index; |
497 | |
498 | return sprintf(buf, fmt: "%ld\n" , in_from_reg(reg: data->in[nr])); |
499 | } |
500 | |
501 | static ssize_t show_in_max(struct device *dev, struct device_attribute |
502 | *devattr, char *buf) |
503 | { |
504 | struct f71805f_data *data = f71805f_update_device(dev); |
505 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
506 | int nr = attr->index; |
507 | |
508 | return sprintf(buf, fmt: "%ld\n" , in_from_reg(reg: data->in_high[nr])); |
509 | } |
510 | |
511 | static ssize_t show_in_min(struct device *dev, struct device_attribute |
512 | *devattr, char *buf) |
513 | { |
514 | struct f71805f_data *data = f71805f_update_device(dev); |
515 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
516 | int nr = attr->index; |
517 | |
518 | return sprintf(buf, fmt: "%ld\n" , in_from_reg(reg: data->in_low[nr])); |
519 | } |
520 | |
521 | static ssize_t set_in_max(struct device *dev, struct device_attribute |
522 | *devattr, const char *buf, size_t count) |
523 | { |
524 | struct f71805f_data *data = dev_get_drvdata(dev); |
525 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
526 | int nr = attr->index; |
527 | long val; |
528 | int err; |
529 | |
530 | err = kstrtol(s: buf, base: 10, res: &val); |
531 | if (err) |
532 | return err; |
533 | |
534 | mutex_lock(&data->update_lock); |
535 | data->in_high[nr] = in_to_reg(val); |
536 | f71805f_write8(data, F71805F_REG_IN_HIGH(nr), val: data->in_high[nr]); |
537 | mutex_unlock(lock: &data->update_lock); |
538 | |
539 | return count; |
540 | } |
541 | |
542 | static ssize_t set_in_min(struct device *dev, struct device_attribute |
543 | *devattr, const char *buf, size_t count) |
544 | { |
545 | struct f71805f_data *data = dev_get_drvdata(dev); |
546 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
547 | int nr = attr->index; |
548 | long val; |
549 | int err; |
550 | |
551 | err = kstrtol(s: buf, base: 10, res: &val); |
552 | if (err) |
553 | return err; |
554 | |
555 | mutex_lock(&data->update_lock); |
556 | data->in_low[nr] = in_to_reg(val); |
557 | f71805f_write8(data, F71805F_REG_IN_LOW(nr), val: data->in_low[nr]); |
558 | mutex_unlock(lock: &data->update_lock); |
559 | |
560 | return count; |
561 | } |
562 | |
563 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, |
564 | char *buf) |
565 | { |
566 | struct f71805f_data *data = f71805f_update_device(dev); |
567 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
568 | int nr = attr->index; |
569 | |
570 | return sprintf(buf, fmt: "%ld\n" , fan_from_reg(reg: data->fan[nr])); |
571 | } |
572 | |
573 | static ssize_t show_fan_min(struct device *dev, struct device_attribute |
574 | *devattr, char *buf) |
575 | { |
576 | struct f71805f_data *data = f71805f_update_device(dev); |
577 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
578 | int nr = attr->index; |
579 | |
580 | return sprintf(buf, fmt: "%ld\n" , fan_from_reg(reg: data->fan_low[nr])); |
581 | } |
582 | |
583 | static ssize_t show_fan_target(struct device *dev, struct device_attribute |
584 | *devattr, char *buf) |
585 | { |
586 | struct f71805f_data *data = f71805f_update_device(dev); |
587 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
588 | int nr = attr->index; |
589 | |
590 | return sprintf(buf, fmt: "%ld\n" , fan_from_reg(reg: data->fan_target[nr])); |
591 | } |
592 | |
593 | static ssize_t set_fan_min(struct device *dev, struct device_attribute |
594 | *devattr, const char *buf, size_t count) |
595 | { |
596 | struct f71805f_data *data = dev_get_drvdata(dev); |
597 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
598 | int nr = attr->index; |
599 | long val; |
600 | int err; |
601 | |
602 | err = kstrtol(s: buf, base: 10, res: &val); |
603 | if (err) |
604 | return err; |
605 | |
606 | mutex_lock(&data->update_lock); |
607 | data->fan_low[nr] = fan_to_reg(rpm: val); |
608 | f71805f_write16(data, F71805F_REG_FAN_LOW(nr), val: data->fan_low[nr]); |
609 | mutex_unlock(lock: &data->update_lock); |
610 | |
611 | return count; |
612 | } |
613 | |
614 | static ssize_t set_fan_target(struct device *dev, struct device_attribute |
615 | *devattr, const char *buf, size_t count) |
616 | { |
617 | struct f71805f_data *data = dev_get_drvdata(dev); |
618 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
619 | int nr = attr->index; |
620 | long val; |
621 | int err; |
622 | |
623 | err = kstrtol(s: buf, base: 10, res: &val); |
624 | if (err) |
625 | return err; |
626 | |
627 | mutex_lock(&data->update_lock); |
628 | data->fan_target[nr] = fan_to_reg(rpm: val); |
629 | f71805f_write16(data, F71805F_REG_FAN_TARGET(nr), |
630 | val: data->fan_target[nr]); |
631 | mutex_unlock(lock: &data->update_lock); |
632 | |
633 | return count; |
634 | } |
635 | |
636 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, |
637 | char *buf) |
638 | { |
639 | struct f71805f_data *data = f71805f_update_device(dev); |
640 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
641 | int nr = attr->index; |
642 | |
643 | return sprintf(buf, fmt: "%d\n" , (int)data->pwm[nr]); |
644 | } |
645 | |
646 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute |
647 | *devattr, char *buf) |
648 | { |
649 | struct f71805f_data *data = f71805f_update_device(dev); |
650 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
651 | int nr = attr->index; |
652 | int mode; |
653 | |
654 | switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) { |
655 | case FAN_CTRL_MODE_SPEED: |
656 | mode = 3; |
657 | break; |
658 | case FAN_CTRL_MODE_TEMPERATURE: |
659 | mode = 2; |
660 | break; |
661 | default: /* MANUAL */ |
662 | mode = 1; |
663 | } |
664 | |
665 | return sprintf(buf, fmt: "%d\n" , mode); |
666 | } |
667 | |
668 | static ssize_t show_pwm_freq(struct device *dev, struct device_attribute |
669 | *devattr, char *buf) |
670 | { |
671 | struct f71805f_data *data = f71805f_update_device(dev); |
672 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
673 | int nr = attr->index; |
674 | |
675 | return sprintf(buf, fmt: "%lu\n" , pwm_freq_from_reg(reg: data->pwm_freq[nr])); |
676 | } |
677 | |
678 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute |
679 | *devattr, char *buf) |
680 | { |
681 | struct f71805f_data *data = f71805f_update_device(dev); |
682 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
683 | int nr = attr->index; |
684 | |
685 | return sprintf(buf, fmt: "%d\n" , pwm_mode_from_reg(reg: data->fan_ctrl[nr])); |
686 | } |
687 | |
688 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, |
689 | const char *buf, size_t count) |
690 | { |
691 | struct f71805f_data *data = dev_get_drvdata(dev); |
692 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
693 | int nr = attr->index; |
694 | unsigned long val; |
695 | int err; |
696 | |
697 | err = kstrtoul(s: buf, base: 10, res: &val); |
698 | if (err) |
699 | return err; |
700 | |
701 | if (val > 255) |
702 | return -EINVAL; |
703 | |
704 | mutex_lock(&data->update_lock); |
705 | data->pwm[nr] = val; |
706 | f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), val: data->pwm[nr]); |
707 | mutex_unlock(lock: &data->update_lock); |
708 | |
709 | return count; |
710 | } |
711 | |
712 | static struct attribute *f71805f_attr_pwm[]; |
713 | |
714 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute |
715 | *devattr, const char *buf, size_t count) |
716 | { |
717 | struct f71805f_data *data = dev_get_drvdata(dev); |
718 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
719 | int nr = attr->index; |
720 | u8 reg; |
721 | unsigned long val; |
722 | int err; |
723 | |
724 | err = kstrtoul(s: buf, base: 10, res: &val); |
725 | if (err) |
726 | return err; |
727 | |
728 | if (val < 1 || val > 3) |
729 | return -EINVAL; |
730 | |
731 | if (val > 1) { /* Automatic mode, user can't set PWM value */ |
732 | if (sysfs_chmod_file(kobj: &dev->kobj, attr: f71805f_attr_pwm[nr], |
733 | S_IRUGO)) |
734 | dev_dbg(dev, "chmod -w pwm%d failed\n" , nr + 1); |
735 | } |
736 | |
737 | mutex_lock(&data->update_lock); |
738 | reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr)) |
739 | & ~FAN_CTRL_MODE_MASK; |
740 | switch (val) { |
741 | case 1: |
742 | reg |= FAN_CTRL_MODE_MANUAL; |
743 | break; |
744 | case 2: |
745 | reg |= FAN_CTRL_MODE_TEMPERATURE; |
746 | break; |
747 | case 3: |
748 | reg |= FAN_CTRL_MODE_SPEED; |
749 | break; |
750 | } |
751 | data->fan_ctrl[nr] = reg; |
752 | f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), val: reg); |
753 | mutex_unlock(lock: &data->update_lock); |
754 | |
755 | if (val == 1) { /* Manual mode, user can set PWM value */ |
756 | if (sysfs_chmod_file(kobj: &dev->kobj, attr: f71805f_attr_pwm[nr], |
757 | S_IRUGO | S_IWUSR)) |
758 | dev_dbg(dev, "chmod +w pwm%d failed\n" , nr + 1); |
759 | } |
760 | |
761 | return count; |
762 | } |
763 | |
764 | static ssize_t set_pwm_freq(struct device *dev, struct device_attribute |
765 | *devattr, const char *buf, size_t count) |
766 | { |
767 | struct f71805f_data *data = dev_get_drvdata(dev); |
768 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
769 | int nr = attr->index; |
770 | unsigned long val; |
771 | int err; |
772 | |
773 | err = kstrtoul(s: buf, base: 10, res: &val); |
774 | if (err) |
775 | return err; |
776 | |
777 | mutex_lock(&data->update_lock); |
778 | data->pwm_freq[nr] = pwm_freq_to_reg(val); |
779 | f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), val: data->pwm_freq[nr]); |
780 | mutex_unlock(lock: &data->update_lock); |
781 | |
782 | return count; |
783 | } |
784 | |
785 | static ssize_t show_pwm_auto_point_temp(struct device *dev, |
786 | struct device_attribute *devattr, |
787 | char *buf) |
788 | { |
789 | struct f71805f_data *data = dev_get_drvdata(dev); |
790 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); |
791 | int pwmnr = attr->nr; |
792 | int apnr = attr->index; |
793 | |
794 | return sprintf(buf, fmt: "%ld\n" , |
795 | temp_from_reg(reg: data->auto_points[pwmnr].temp[apnr])); |
796 | } |
797 | |
798 | static ssize_t set_pwm_auto_point_temp(struct device *dev, |
799 | struct device_attribute *devattr, |
800 | const char *buf, size_t count) |
801 | { |
802 | struct f71805f_data *data = dev_get_drvdata(dev); |
803 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); |
804 | int pwmnr = attr->nr; |
805 | int apnr = attr->index; |
806 | unsigned long val; |
807 | int err; |
808 | |
809 | err = kstrtoul(s: buf, base: 10, res: &val); |
810 | if (err) |
811 | return err; |
812 | |
813 | mutex_lock(&data->update_lock); |
814 | data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val); |
815 | f71805f_write8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr), |
816 | val: data->auto_points[pwmnr].temp[apnr]); |
817 | mutex_unlock(lock: &data->update_lock); |
818 | |
819 | return count; |
820 | } |
821 | |
822 | static ssize_t show_pwm_auto_point_fan(struct device *dev, |
823 | struct device_attribute *devattr, |
824 | char *buf) |
825 | { |
826 | struct f71805f_data *data = dev_get_drvdata(dev); |
827 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); |
828 | int pwmnr = attr->nr; |
829 | int apnr = attr->index; |
830 | |
831 | return sprintf(buf, fmt: "%ld\n" , |
832 | fan_from_reg(reg: data->auto_points[pwmnr].fan[apnr])); |
833 | } |
834 | |
835 | static ssize_t set_pwm_auto_point_fan(struct device *dev, |
836 | struct device_attribute *devattr, |
837 | const char *buf, size_t count) |
838 | { |
839 | struct f71805f_data *data = dev_get_drvdata(dev); |
840 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); |
841 | int pwmnr = attr->nr; |
842 | int apnr = attr->index; |
843 | unsigned long val; |
844 | int err; |
845 | |
846 | err = kstrtoul(s: buf, base: 10, res: &val); |
847 | if (err) |
848 | return err; |
849 | |
850 | mutex_lock(&data->update_lock); |
851 | data->auto_points[pwmnr].fan[apnr] = fan_to_reg(rpm: val); |
852 | f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr), |
853 | val: data->auto_points[pwmnr].fan[apnr]); |
854 | mutex_unlock(lock: &data->update_lock); |
855 | |
856 | return count; |
857 | } |
858 | |
859 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, |
860 | char *buf) |
861 | { |
862 | struct f71805f_data *data = f71805f_update_device(dev); |
863 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
864 | int nr = attr->index; |
865 | |
866 | return sprintf(buf, fmt: "%ld\n" , temp_from_reg(reg: data->temp[nr])); |
867 | } |
868 | |
869 | static ssize_t show_temp_max(struct device *dev, struct device_attribute |
870 | *devattr, char *buf) |
871 | { |
872 | struct f71805f_data *data = f71805f_update_device(dev); |
873 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
874 | int nr = attr->index; |
875 | |
876 | return sprintf(buf, fmt: "%ld\n" , temp_from_reg(reg: data->temp_high[nr])); |
877 | } |
878 | |
879 | static ssize_t show_temp_hyst(struct device *dev, struct device_attribute |
880 | *devattr, char *buf) |
881 | { |
882 | struct f71805f_data *data = f71805f_update_device(dev); |
883 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
884 | int nr = attr->index; |
885 | |
886 | return sprintf(buf, fmt: "%ld\n" , temp_from_reg(reg: data->temp_hyst[nr])); |
887 | } |
888 | |
889 | static ssize_t show_temp_type(struct device *dev, struct device_attribute |
890 | *devattr, char *buf) |
891 | { |
892 | struct f71805f_data *data = f71805f_update_device(dev); |
893 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
894 | int nr = attr->index; |
895 | |
896 | /* 3 is diode, 4 is thermistor */ |
897 | return sprintf(buf, fmt: "%u\n" , (data->temp_mode & (1 << nr)) ? 3 : 4); |
898 | } |
899 | |
900 | static ssize_t set_temp_max(struct device *dev, struct device_attribute |
901 | *devattr, const char *buf, size_t count) |
902 | { |
903 | struct f71805f_data *data = dev_get_drvdata(dev); |
904 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
905 | int nr = attr->index; |
906 | long val; |
907 | int err; |
908 | |
909 | err = kstrtol(s: buf, base: 10, res: &val); |
910 | if (err) |
911 | return err; |
912 | |
913 | mutex_lock(&data->update_lock); |
914 | data->temp_high[nr] = temp_to_reg(val); |
915 | f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), val: data->temp_high[nr]); |
916 | mutex_unlock(lock: &data->update_lock); |
917 | |
918 | return count; |
919 | } |
920 | |
921 | static ssize_t set_temp_hyst(struct device *dev, struct device_attribute |
922 | *devattr, const char *buf, size_t count) |
923 | { |
924 | struct f71805f_data *data = dev_get_drvdata(dev); |
925 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
926 | int nr = attr->index; |
927 | long val; |
928 | int err; |
929 | |
930 | err = kstrtol(s: buf, base: 10, res: &val); |
931 | if (err) |
932 | return err; |
933 | |
934 | mutex_lock(&data->update_lock); |
935 | data->temp_hyst[nr] = temp_to_reg(val); |
936 | f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), val: data->temp_hyst[nr]); |
937 | mutex_unlock(lock: &data->update_lock); |
938 | |
939 | return count; |
940 | } |
941 | |
942 | static ssize_t alarms_in_show(struct device *dev, struct device_attribute |
943 | *devattr, char *buf) |
944 | { |
945 | struct f71805f_data *data = f71805f_update_device(dev); |
946 | |
947 | return sprintf(buf, fmt: "%lu\n" , data->alarms & 0x7ff); |
948 | } |
949 | |
950 | static ssize_t alarms_fan_show(struct device *dev, struct device_attribute |
951 | *devattr, char *buf) |
952 | { |
953 | struct f71805f_data *data = f71805f_update_device(dev); |
954 | |
955 | return sprintf(buf, fmt: "%lu\n" , (data->alarms >> 16) & 0x07); |
956 | } |
957 | |
958 | static ssize_t alarms_temp_show(struct device *dev, struct device_attribute |
959 | *devattr, char *buf) |
960 | { |
961 | struct f71805f_data *data = f71805f_update_device(dev); |
962 | |
963 | return sprintf(buf, fmt: "%lu\n" , (data->alarms >> 11) & 0x07); |
964 | } |
965 | |
966 | static ssize_t show_alarm(struct device *dev, struct device_attribute |
967 | *devattr, char *buf) |
968 | { |
969 | struct f71805f_data *data = f71805f_update_device(dev); |
970 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
971 | int bitnr = attr->index; |
972 | |
973 | return sprintf(buf, fmt: "%lu\n" , (data->alarms >> bitnr) & 1); |
974 | } |
975 | |
976 | static ssize_t name_show(struct device *dev, struct device_attribute |
977 | *devattr, char *buf) |
978 | { |
979 | struct f71805f_data *data = dev_get_drvdata(dev); |
980 | |
981 | return sprintf(buf, fmt: "%s\n" , data->name); |
982 | } |
983 | |
984 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0); |
985 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, |
986 | show_in0_max, set_in0_max, 0); |
987 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, |
988 | show_in0_min, set_in0_min, 0); |
989 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); |
990 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, |
991 | show_in_max, set_in_max, 1); |
992 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, |
993 | show_in_min, set_in_min, 1); |
994 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); |
995 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, |
996 | show_in_max, set_in_max, 2); |
997 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, |
998 | show_in_min, set_in_min, 2); |
999 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); |
1000 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR, |
1001 | show_in_max, set_in_max, 3); |
1002 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR, |
1003 | show_in_min, set_in_min, 3); |
1004 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); |
1005 | static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR, |
1006 | show_in_max, set_in_max, 4); |
1007 | static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR, |
1008 | show_in_min, set_in_min, 4); |
1009 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); |
1010 | static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR, |
1011 | show_in_max, set_in_max, 5); |
1012 | static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR, |
1013 | show_in_min, set_in_min, 5); |
1014 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); |
1015 | static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR, |
1016 | show_in_max, set_in_max, 6); |
1017 | static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR, |
1018 | show_in_min, set_in_min, 6); |
1019 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); |
1020 | static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR, |
1021 | show_in_max, set_in_max, 7); |
1022 | static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR, |
1023 | show_in_min, set_in_min, 7); |
1024 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); |
1025 | static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR, |
1026 | show_in_max, set_in_max, 8); |
1027 | static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR, |
1028 | show_in_min, set_in_min, 8); |
1029 | static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9); |
1030 | static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR, |
1031 | show_in0_max, set_in0_max, 9); |
1032 | static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR, |
1033 | show_in0_min, set_in0_min, 9); |
1034 | static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10); |
1035 | static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR, |
1036 | show_in0_max, set_in0_max, 10); |
1037 | static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR, |
1038 | show_in0_min, set_in0_min, 10); |
1039 | |
1040 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); |
1041 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, |
1042 | show_fan_min, set_fan_min, 0); |
1043 | static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, |
1044 | show_fan_target, set_fan_target, 0); |
1045 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); |
1046 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, |
1047 | show_fan_min, set_fan_min, 1); |
1048 | static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR, |
1049 | show_fan_target, set_fan_target, 1); |
1050 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); |
1051 | static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, |
1052 | show_fan_min, set_fan_min, 2); |
1053 | static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR, |
1054 | show_fan_target, set_fan_target, 2); |
1055 | |
1056 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); |
1057 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, |
1058 | show_temp_max, set_temp_max, 0); |
1059 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, |
1060 | show_temp_hyst, set_temp_hyst, 0); |
1061 | static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0); |
1062 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); |
1063 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, |
1064 | show_temp_max, set_temp_max, 1); |
1065 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, |
1066 | show_temp_hyst, set_temp_hyst, 1); |
1067 | static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1); |
1068 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); |
1069 | static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR, |
1070 | show_temp_max, set_temp_max, 2); |
1071 | static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, |
1072 | show_temp_hyst, set_temp_hyst, 2); |
1073 | static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2); |
1074 | |
1075 | /* |
1076 | * pwm (value) files are created read-only, write permission is |
1077 | * then added or removed dynamically as needed |
1078 | */ |
1079 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0); |
1080 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, |
1081 | show_pwm_enable, set_pwm_enable, 0); |
1082 | static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, |
1083 | show_pwm_freq, set_pwm_freq, 0); |
1084 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); |
1085 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1); |
1086 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, |
1087 | show_pwm_enable, set_pwm_enable, 1); |
1088 | static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR, |
1089 | show_pwm_freq, set_pwm_freq, 1); |
1090 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1); |
1091 | static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2); |
1092 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, |
1093 | show_pwm_enable, set_pwm_enable, 2); |
1094 | static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR, |
1095 | show_pwm_freq, set_pwm_freq, 2); |
1096 | static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2); |
1097 | |
1098 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR, |
1099 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1100 | 0, 0); |
1101 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_fan, S_IRUGO | S_IWUSR, |
1102 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1103 | 0, 0); |
1104 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR, |
1105 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1106 | 0, 1); |
1107 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_fan, S_IRUGO | S_IWUSR, |
1108 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1109 | 0, 1); |
1110 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR, |
1111 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1112 | 0, 2); |
1113 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_fan, S_IRUGO | S_IWUSR, |
1114 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1115 | 0, 2); |
1116 | |
1117 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR, |
1118 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1119 | 1, 0); |
1120 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_fan, S_IRUGO | S_IWUSR, |
1121 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1122 | 1, 0); |
1123 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR, |
1124 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1125 | 1, 1); |
1126 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_fan, S_IRUGO | S_IWUSR, |
1127 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1128 | 1, 1); |
1129 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR, |
1130 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1131 | 1, 2); |
1132 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_fan, S_IRUGO | S_IWUSR, |
1133 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1134 | 1, 2); |
1135 | |
1136 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR, |
1137 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1138 | 2, 0); |
1139 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_fan, S_IRUGO | S_IWUSR, |
1140 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1141 | 2, 0); |
1142 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR, |
1143 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1144 | 2, 1); |
1145 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_fan, S_IRUGO | S_IWUSR, |
1146 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1147 | 2, 1); |
1148 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR, |
1149 | show_pwm_auto_point_temp, set_pwm_auto_point_temp, |
1150 | 2, 2); |
1151 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_fan, S_IRUGO | S_IWUSR, |
1152 | show_pwm_auto_point_fan, set_pwm_auto_point_fan, |
1153 | 2, 2); |
1154 | |
1155 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); |
1156 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); |
1157 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); |
1158 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); |
1159 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4); |
1160 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); |
1161 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); |
1162 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); |
1163 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); |
1164 | static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9); |
1165 | static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10); |
1166 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11); |
1167 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12); |
1168 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); |
1169 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16); |
1170 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17); |
1171 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18); |
1172 | static DEVICE_ATTR_RO(alarms_in); |
1173 | static DEVICE_ATTR_RO(alarms_fan); |
1174 | static DEVICE_ATTR_RO(alarms_temp); |
1175 | |
1176 | static DEVICE_ATTR_RO(name); |
1177 | |
1178 | static struct attribute *f71805f_attributes[] = { |
1179 | &sensor_dev_attr_in0_input.dev_attr.attr, |
1180 | &sensor_dev_attr_in0_max.dev_attr.attr, |
1181 | &sensor_dev_attr_in0_min.dev_attr.attr, |
1182 | &sensor_dev_attr_in1_input.dev_attr.attr, |
1183 | &sensor_dev_attr_in1_max.dev_attr.attr, |
1184 | &sensor_dev_attr_in1_min.dev_attr.attr, |
1185 | &sensor_dev_attr_in2_input.dev_attr.attr, |
1186 | &sensor_dev_attr_in2_max.dev_attr.attr, |
1187 | &sensor_dev_attr_in2_min.dev_attr.attr, |
1188 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1189 | &sensor_dev_attr_in3_max.dev_attr.attr, |
1190 | &sensor_dev_attr_in3_min.dev_attr.attr, |
1191 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1192 | &sensor_dev_attr_in5_max.dev_attr.attr, |
1193 | &sensor_dev_attr_in5_min.dev_attr.attr, |
1194 | &sensor_dev_attr_in6_input.dev_attr.attr, |
1195 | &sensor_dev_attr_in6_max.dev_attr.attr, |
1196 | &sensor_dev_attr_in6_min.dev_attr.attr, |
1197 | &sensor_dev_attr_in7_input.dev_attr.attr, |
1198 | &sensor_dev_attr_in7_max.dev_attr.attr, |
1199 | &sensor_dev_attr_in7_min.dev_attr.attr, |
1200 | |
1201 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1202 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
1203 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
1204 | &sensor_dev_attr_fan1_target.dev_attr.attr, |
1205 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
1206 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
1207 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
1208 | &sensor_dev_attr_fan2_target.dev_attr.attr, |
1209 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
1210 | &sensor_dev_attr_fan3_min.dev_attr.attr, |
1211 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
1212 | &sensor_dev_attr_fan3_target.dev_attr.attr, |
1213 | |
1214 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1215 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
1216 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, |
1217 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1218 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
1219 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, |
1220 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1221 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
1222 | &sensor_dev_attr_pwm3_mode.dev_attr.attr, |
1223 | |
1224 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
1225 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
1226 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, |
1227 | &sensor_dev_attr_temp1_type.dev_attr.attr, |
1228 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
1229 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
1230 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, |
1231 | &sensor_dev_attr_temp2_type.dev_attr.attr, |
1232 | &sensor_dev_attr_temp3_input.dev_attr.attr, |
1233 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
1234 | &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, |
1235 | &sensor_dev_attr_temp3_type.dev_attr.attr, |
1236 | |
1237 | &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr, |
1238 | &sensor_dev_attr_pwm1_auto_point1_fan.dev_attr.attr, |
1239 | &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr, |
1240 | &sensor_dev_attr_pwm1_auto_point2_fan.dev_attr.attr, |
1241 | &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr, |
1242 | &sensor_dev_attr_pwm1_auto_point3_fan.dev_attr.attr, |
1243 | &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr, |
1244 | &sensor_dev_attr_pwm2_auto_point1_fan.dev_attr.attr, |
1245 | &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr, |
1246 | &sensor_dev_attr_pwm2_auto_point2_fan.dev_attr.attr, |
1247 | &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr, |
1248 | &sensor_dev_attr_pwm2_auto_point3_fan.dev_attr.attr, |
1249 | &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr, |
1250 | &sensor_dev_attr_pwm3_auto_point1_fan.dev_attr.attr, |
1251 | &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr, |
1252 | &sensor_dev_attr_pwm3_auto_point2_fan.dev_attr.attr, |
1253 | &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr, |
1254 | &sensor_dev_attr_pwm3_auto_point3_fan.dev_attr.attr, |
1255 | |
1256 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
1257 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
1258 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
1259 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
1260 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
1261 | &sensor_dev_attr_in6_alarm.dev_attr.attr, |
1262 | &sensor_dev_attr_in7_alarm.dev_attr.attr, |
1263 | &dev_attr_alarms_in.attr, |
1264 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
1265 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
1266 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, |
1267 | &dev_attr_alarms_temp.attr, |
1268 | &dev_attr_alarms_fan.attr, |
1269 | |
1270 | &dev_attr_name.attr, |
1271 | NULL |
1272 | }; |
1273 | |
1274 | static const struct attribute_group f71805f_group = { |
1275 | .attrs = f71805f_attributes, |
1276 | }; |
1277 | |
1278 | static struct attribute *f71805f_attributes_optin[4][5] = { |
1279 | { |
1280 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1281 | &sensor_dev_attr_in4_max.dev_attr.attr, |
1282 | &sensor_dev_attr_in4_min.dev_attr.attr, |
1283 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
1284 | NULL |
1285 | }, { |
1286 | &sensor_dev_attr_in8_input.dev_attr.attr, |
1287 | &sensor_dev_attr_in8_max.dev_attr.attr, |
1288 | &sensor_dev_attr_in8_min.dev_attr.attr, |
1289 | &sensor_dev_attr_in8_alarm.dev_attr.attr, |
1290 | NULL |
1291 | }, { |
1292 | &sensor_dev_attr_in9_input.dev_attr.attr, |
1293 | &sensor_dev_attr_in9_max.dev_attr.attr, |
1294 | &sensor_dev_attr_in9_min.dev_attr.attr, |
1295 | &sensor_dev_attr_in9_alarm.dev_attr.attr, |
1296 | NULL |
1297 | }, { |
1298 | &sensor_dev_attr_in10_input.dev_attr.attr, |
1299 | &sensor_dev_attr_in10_max.dev_attr.attr, |
1300 | &sensor_dev_attr_in10_min.dev_attr.attr, |
1301 | &sensor_dev_attr_in10_alarm.dev_attr.attr, |
1302 | NULL |
1303 | } |
1304 | }; |
1305 | |
1306 | static const struct attribute_group f71805f_group_optin[4] = { |
1307 | { .attrs = f71805f_attributes_optin[0] }, |
1308 | { .attrs = f71805f_attributes_optin[1] }, |
1309 | { .attrs = f71805f_attributes_optin[2] }, |
1310 | { .attrs = f71805f_attributes_optin[3] }, |
1311 | }; |
1312 | |
1313 | /* |
1314 | * We don't include pwm_freq files in the arrays above, because they must be |
1315 | * created conditionally (only if pwm_mode is 1 == PWM) |
1316 | */ |
1317 | static struct attribute *f71805f_attributes_pwm_freq[] = { |
1318 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
1319 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, |
1320 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, |
1321 | NULL |
1322 | }; |
1323 | |
1324 | static const struct attribute_group f71805f_group_pwm_freq = { |
1325 | .attrs = f71805f_attributes_pwm_freq, |
1326 | }; |
1327 | |
1328 | /* We also need an indexed access to pwmN files to toggle writability */ |
1329 | static struct attribute *f71805f_attr_pwm[] = { |
1330 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1331 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1332 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1333 | }; |
1334 | |
1335 | /* |
1336 | * Device registration and initialization |
1337 | */ |
1338 | |
1339 | static void f71805f_init_device(struct f71805f_data *data) |
1340 | { |
1341 | u8 reg; |
1342 | int i; |
1343 | |
1344 | reg = f71805f_read8(data, F71805F_REG_START); |
1345 | if ((reg & 0x41) != 0x01) { |
1346 | pr_debug("Starting monitoring operations\n" ); |
1347 | f71805f_write8(data, F71805F_REG_START, val: (reg | 0x01) & ~0x40); |
1348 | } |
1349 | |
1350 | /* |
1351 | * Fan monitoring can be disabled. If it is, we won't be polling |
1352 | * the register values, and won't create the related sysfs files. |
1353 | */ |
1354 | for (i = 0; i < 3; i++) { |
1355 | data->fan_ctrl[i] = f71805f_read8(data, |
1356 | F71805F_REG_FAN_CTRL(i)); |
1357 | /* |
1358 | * Clear latch full bit, else "speed mode" fan speed control |
1359 | * doesn't work |
1360 | */ |
1361 | if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) { |
1362 | data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL; |
1363 | f71805f_write8(data, F71805F_REG_FAN_CTRL(i), |
1364 | val: data->fan_ctrl[i]); |
1365 | } |
1366 | } |
1367 | } |
1368 | |
1369 | static int f71805f_probe(struct platform_device *pdev) |
1370 | { |
1371 | struct f71805f_sio_data *sio_data = dev_get_platdata(dev: &pdev->dev); |
1372 | struct f71805f_data *data; |
1373 | struct resource *res; |
1374 | int i, err; |
1375 | |
1376 | static const char * const names[] = { |
1377 | "f71805f" , |
1378 | "f71872f" , |
1379 | }; |
1380 | |
1381 | data = devm_kzalloc(dev: &pdev->dev, size: sizeof(struct f71805f_data), |
1382 | GFP_KERNEL); |
1383 | if (!data) |
1384 | return -ENOMEM; |
1385 | |
1386 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
1387 | if (!devm_request_region(&pdev->dev, res->start + ADDR_REG_OFFSET, 2, |
1388 | DRVNAME)) { |
1389 | dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n" , |
1390 | (unsigned long)(res->start + ADDR_REG_OFFSET), |
1391 | (unsigned long)(res->start + ADDR_REG_OFFSET + 1)); |
1392 | return -EBUSY; |
1393 | } |
1394 | data->addr = res->start; |
1395 | data->name = names[sio_data->kind]; |
1396 | mutex_init(&data->update_lock); |
1397 | |
1398 | platform_set_drvdata(pdev, data); |
1399 | |
1400 | /* Some voltage inputs depend on chip model and configuration */ |
1401 | switch (sio_data->kind) { |
1402 | case f71805f: |
1403 | data->has_in = 0x1ff; |
1404 | break; |
1405 | case f71872f: |
1406 | data->has_in = 0x6ef; |
1407 | if (sio_data->fnsel1 & 0x01) |
1408 | data->has_in |= (1 << 4); /* in4 */ |
1409 | if (sio_data->fnsel1 & 0x02) |
1410 | data->has_in |= (1 << 8); /* in8 */ |
1411 | break; |
1412 | } |
1413 | |
1414 | /* Initialize the F71805F chip */ |
1415 | f71805f_init_device(data); |
1416 | |
1417 | /* Register sysfs interface files */ |
1418 | err = sysfs_create_group(kobj: &pdev->dev.kobj, grp: &f71805f_group); |
1419 | if (err) |
1420 | return err; |
1421 | if (data->has_in & (1 << 4)) { /* in4 */ |
1422 | err = sysfs_create_group(kobj: &pdev->dev.kobj, |
1423 | grp: &f71805f_group_optin[0]); |
1424 | if (err) |
1425 | goto exit_remove_files; |
1426 | } |
1427 | if (data->has_in & (1 << 8)) { /* in8 */ |
1428 | err = sysfs_create_group(kobj: &pdev->dev.kobj, |
1429 | grp: &f71805f_group_optin[1]); |
1430 | if (err) |
1431 | goto exit_remove_files; |
1432 | } |
1433 | if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */ |
1434 | err = sysfs_create_group(kobj: &pdev->dev.kobj, |
1435 | grp: &f71805f_group_optin[2]); |
1436 | if (err) |
1437 | goto exit_remove_files; |
1438 | } |
1439 | if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */ |
1440 | err = sysfs_create_group(kobj: &pdev->dev.kobj, |
1441 | grp: &f71805f_group_optin[3]); |
1442 | if (err) |
1443 | goto exit_remove_files; |
1444 | } |
1445 | for (i = 0; i < 3; i++) { |
1446 | /* If control mode is PWM, create pwm_freq file */ |
1447 | if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) { |
1448 | err = sysfs_create_file(kobj: &pdev->dev.kobj, |
1449 | attr: f71805f_attributes_pwm_freq[i]); |
1450 | if (err) |
1451 | goto exit_remove_files; |
1452 | } |
1453 | /* If PWM is in manual mode, add write permission */ |
1454 | if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) { |
1455 | err = sysfs_chmod_file(kobj: &pdev->dev.kobj, |
1456 | attr: f71805f_attr_pwm[i], |
1457 | S_IRUGO | S_IWUSR); |
1458 | if (err) { |
1459 | dev_err(&pdev->dev, "chmod +w pwm%d failed\n" , |
1460 | i + 1); |
1461 | goto exit_remove_files; |
1462 | } |
1463 | } |
1464 | } |
1465 | |
1466 | data->hwmon_dev = hwmon_device_register(dev: &pdev->dev); |
1467 | if (IS_ERR(ptr: data->hwmon_dev)) { |
1468 | err = PTR_ERR(ptr: data->hwmon_dev); |
1469 | dev_err(&pdev->dev, "Class registration failed (%d)\n" , err); |
1470 | goto exit_remove_files; |
1471 | } |
1472 | |
1473 | return 0; |
1474 | |
1475 | exit_remove_files: |
1476 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group); |
1477 | for (i = 0; i < 4; i++) |
1478 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group_optin[i]); |
1479 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group_pwm_freq); |
1480 | return err; |
1481 | } |
1482 | |
1483 | static void f71805f_remove(struct platform_device *pdev) |
1484 | { |
1485 | struct f71805f_data *data = platform_get_drvdata(pdev); |
1486 | int i; |
1487 | |
1488 | hwmon_device_unregister(dev: data->hwmon_dev); |
1489 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group); |
1490 | for (i = 0; i < 4; i++) |
1491 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group_optin[i]); |
1492 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &f71805f_group_pwm_freq); |
1493 | } |
1494 | |
1495 | static struct platform_driver f71805f_driver = { |
1496 | .driver = { |
1497 | .name = DRVNAME, |
1498 | }, |
1499 | .probe = f71805f_probe, |
1500 | .remove_new = f71805f_remove, |
1501 | }; |
1502 | |
1503 | static int __init f71805f_device_add(unsigned short address, |
1504 | const struct f71805f_sio_data *sio_data) |
1505 | { |
1506 | struct resource res = { |
1507 | .start = address, |
1508 | .end = address + REGION_LENGTH - 1, |
1509 | .flags = IORESOURCE_IO, |
1510 | }; |
1511 | int err; |
1512 | |
1513 | pdev = platform_device_alloc(DRVNAME, id: address); |
1514 | if (!pdev) { |
1515 | err = -ENOMEM; |
1516 | pr_err("Device allocation failed\n" ); |
1517 | goto exit; |
1518 | } |
1519 | |
1520 | res.name = pdev->name; |
1521 | err = acpi_check_resource_conflict(res: &res); |
1522 | if (err) |
1523 | goto exit_device_put; |
1524 | |
1525 | err = platform_device_add_resources(pdev, res: &res, num: 1); |
1526 | if (err) { |
1527 | pr_err("Device resource addition failed (%d)\n" , err); |
1528 | goto exit_device_put; |
1529 | } |
1530 | |
1531 | err = platform_device_add_data(pdev, data: sio_data, |
1532 | size: sizeof(struct f71805f_sio_data)); |
1533 | if (err) { |
1534 | pr_err("Platform data allocation failed\n" ); |
1535 | goto exit_device_put; |
1536 | } |
1537 | |
1538 | err = platform_device_add(pdev); |
1539 | if (err) { |
1540 | pr_err("Device addition failed (%d)\n" , err); |
1541 | goto exit_device_put; |
1542 | } |
1543 | |
1544 | return 0; |
1545 | |
1546 | exit_device_put: |
1547 | platform_device_put(pdev); |
1548 | exit: |
1549 | return err; |
1550 | } |
1551 | |
1552 | static int __init f71805f_find(int sioaddr, unsigned short *address, |
1553 | struct f71805f_sio_data *sio_data) |
1554 | { |
1555 | int err; |
1556 | u16 devid; |
1557 | |
1558 | static const char * const names[] = { |
1559 | "F71805F/FG" , |
1560 | "F71872F/FG or F71806F/FG" , |
1561 | }; |
1562 | |
1563 | err = superio_enter(base: sioaddr); |
1564 | if (err) |
1565 | return err; |
1566 | |
1567 | err = -ENODEV; |
1568 | devid = superio_inw(base: sioaddr, SIO_REG_MANID); |
1569 | if (devid != SIO_FINTEK_ID) |
1570 | goto exit; |
1571 | |
1572 | devid = force_id ? force_id : superio_inw(base: sioaddr, SIO_REG_DEVID); |
1573 | switch (devid) { |
1574 | case SIO_F71805F_ID: |
1575 | sio_data->kind = f71805f; |
1576 | break; |
1577 | case SIO_F71872F_ID: |
1578 | sio_data->kind = f71872f; |
1579 | sio_data->fnsel1 = superio_inb(base: sioaddr, SIO_REG_FNSEL1); |
1580 | break; |
1581 | default: |
1582 | pr_info("Unsupported Fintek device, skipping\n" ); |
1583 | goto exit; |
1584 | } |
1585 | |
1586 | superio_select(base: sioaddr, F71805F_LD_HWM); |
1587 | if (!(superio_inb(base: sioaddr, SIO_REG_ENABLE) & 0x01)) { |
1588 | pr_warn("Device not activated, skipping\n" ); |
1589 | goto exit; |
1590 | } |
1591 | |
1592 | *address = superio_inw(base: sioaddr, SIO_REG_ADDR); |
1593 | if (*address == 0) { |
1594 | pr_warn("Base address not set, skipping\n" ); |
1595 | goto exit; |
1596 | } |
1597 | *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ |
1598 | |
1599 | err = 0; |
1600 | pr_info("Found %s chip at %#x, revision %u\n" , |
1601 | names[sio_data->kind], *address, |
1602 | superio_inb(sioaddr, SIO_REG_DEVREV)); |
1603 | |
1604 | exit: |
1605 | superio_exit(base: sioaddr); |
1606 | return err; |
1607 | } |
1608 | |
1609 | static int __init f71805f_init(void) |
1610 | { |
1611 | int err; |
1612 | unsigned short address; |
1613 | struct f71805f_sio_data sio_data; |
1614 | |
1615 | if (f71805f_find(sioaddr: 0x2e, address: &address, sio_data: &sio_data) |
1616 | && f71805f_find(sioaddr: 0x4e, address: &address, sio_data: &sio_data)) |
1617 | return -ENODEV; |
1618 | |
1619 | err = platform_driver_register(&f71805f_driver); |
1620 | if (err) |
1621 | goto exit; |
1622 | |
1623 | /* Sets global pdev as a side effect */ |
1624 | err = f71805f_device_add(address, sio_data: &sio_data); |
1625 | if (err) |
1626 | goto exit_driver; |
1627 | |
1628 | return 0; |
1629 | |
1630 | exit_driver: |
1631 | platform_driver_unregister(&f71805f_driver); |
1632 | exit: |
1633 | return err; |
1634 | } |
1635 | |
1636 | static void __exit f71805f_exit(void) |
1637 | { |
1638 | platform_device_unregister(pdev); |
1639 | platform_driver_unregister(&f71805f_driver); |
1640 | } |
1641 | |
1642 | MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>" ); |
1643 | MODULE_LICENSE("GPL" ); |
1644 | MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver" ); |
1645 | |
1646 | module_init(f71805f_init); |
1647 | module_exit(f71805f_exit); |
1648 | |