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e53004e2 JD |
1 | /* |
2 | * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated | |
3 | * hardware monitoring features | |
2d45771e | 4 | * Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org> |
e53004e2 JD |
5 | * |
6 | * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates | |
7 | * complete hardware monitoring features: voltage, fan and temperature | |
8 | * sensors, and manual and automatic fan speed control. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/jiffies.h> | |
29 | #include <linux/platform_device.h> | |
30 | #include <linux/hwmon.h> | |
31 | #include <linux/hwmon-sysfs.h> | |
32 | #include <linux/err.h> | |
f0819184 | 33 | #include <linux/mutex.h> |
0e39e01c | 34 | #include <linux/sysfs.h> |
e53004e2 JD |
35 | #include <asm/io.h> |
36 | ||
37 | static struct platform_device *pdev; | |
38 | ||
39 | #define DRVNAME "f71805f" | |
40 | ||
41 | /* | |
42 | * Super-I/O constants and functions | |
43 | */ | |
44 | ||
45 | #define F71805F_LD_HWM 0x04 | |
46 | ||
47 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
48 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
49 | #define SIO_REG_DEVREV 0x22 /* Device revision */ | |
50 | #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ | |
51 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ | |
52 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
53 | ||
54 | #define SIO_FINTEK_ID 0x1934 | |
55 | #define SIO_F71805F_ID 0x0406 | |
56 | ||
57 | static inline int | |
58 | superio_inb(int base, int reg) | |
59 | { | |
60 | outb(reg, base); | |
61 | return inb(base + 1); | |
62 | } | |
63 | ||
64 | static int | |
65 | superio_inw(int base, int reg) | |
66 | { | |
67 | int val; | |
68 | outb(reg++, base); | |
69 | val = inb(base + 1) << 8; | |
70 | outb(reg, base); | |
71 | val |= inb(base + 1); | |
72 | return val; | |
73 | } | |
74 | ||
75 | static inline void | |
76 | superio_select(int base, int ld) | |
77 | { | |
78 | outb(SIO_REG_LDSEL, base); | |
79 | outb(ld, base + 1); | |
80 | } | |
81 | ||
82 | static inline void | |
83 | superio_enter(int base) | |
84 | { | |
85 | outb(0x87, base); | |
86 | outb(0x87, base); | |
87 | } | |
88 | ||
89 | static inline void | |
90 | superio_exit(int base) | |
91 | { | |
92 | outb(0xaa, base); | |
93 | } | |
94 | ||
95 | /* | |
96 | * ISA constants | |
97 | */ | |
98 | ||
99 | #define REGION_LENGTH 2 | |
100 | #define ADDR_REG_OFFSET 0 | |
101 | #define DATA_REG_OFFSET 1 | |
102 | ||
e53004e2 JD |
103 | /* |
104 | * Registers | |
105 | */ | |
106 | ||
107 | /* in nr from 0 to 8 (8-bit values) */ | |
108 | #define F71805F_REG_IN(nr) (0x10 + (nr)) | |
109 | #define F71805F_REG_IN_HIGH(nr) (0x40 + 2 * (nr)) | |
110 | #define F71805F_REG_IN_LOW(nr) (0x41 + 2 * (nr)) | |
111 | /* fan nr from 0 to 2 (12-bit values, two registers) */ | |
112 | #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr)) | |
113 | #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr)) | |
114 | #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr)) | |
115 | /* temp nr from 0 to 2 (8-bit values) */ | |
116 | #define F71805F_REG_TEMP(nr) (0x1B + (nr)) | |
117 | #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr)) | |
118 | #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr)) | |
119 | #define F71805F_REG_TEMP_MODE 0x01 | |
120 | ||
121 | #define F71805F_REG_START 0x00 | |
122 | /* status nr from 0 to 2 */ | |
123 | #define F71805F_REG_STATUS(nr) (0x36 + (nr)) | |
124 | ||
125 | /* | |
126 | * Data structures and manipulation thereof | |
127 | */ | |
128 | ||
129 | struct f71805f_data { | |
130 | unsigned short addr; | |
131 | const char *name; | |
f0819184 | 132 | struct mutex lock; |
e53004e2 JD |
133 | struct class_device *class_dev; |
134 | ||
f0819184 | 135 | struct mutex update_lock; |
e53004e2 JD |
136 | char valid; /* !=0 if following fields are valid */ |
137 | unsigned long last_updated; /* In jiffies */ | |
138 | unsigned long last_limits; /* In jiffies */ | |
139 | ||
140 | /* Register values */ | |
141 | u8 in[9]; | |
142 | u8 in_high[9]; | |
143 | u8 in_low[9]; | |
144 | u16 fan[3]; | |
145 | u16 fan_low[3]; | |
146 | u8 fan_enabled; /* Read once at init time */ | |
147 | u8 temp[3]; | |
148 | u8 temp_high[3]; | |
149 | u8 temp_hyst[3]; | |
150 | u8 temp_mode; | |
2d45771e | 151 | unsigned long alarms; |
e53004e2 JD |
152 | }; |
153 | ||
154 | static inline long in_from_reg(u8 reg) | |
155 | { | |
156 | return (reg * 8); | |
157 | } | |
158 | ||
159 | /* The 2 least significant bits are not used */ | |
160 | static inline u8 in_to_reg(long val) | |
161 | { | |
162 | if (val <= 0) | |
163 | return 0; | |
164 | if (val >= 2016) | |
165 | return 0xfc; | |
166 | return (((val + 16) / 32) << 2); | |
167 | } | |
168 | ||
169 | /* in0 is downscaled by a factor 2 internally */ | |
170 | static inline long in0_from_reg(u8 reg) | |
171 | { | |
172 | return (reg * 16); | |
173 | } | |
174 | ||
175 | static inline u8 in0_to_reg(long val) | |
176 | { | |
177 | if (val <= 0) | |
178 | return 0; | |
179 | if (val >= 4032) | |
180 | return 0xfc; | |
181 | return (((val + 32) / 64) << 2); | |
182 | } | |
183 | ||
184 | /* The 4 most significant bits are not used */ | |
185 | static inline long fan_from_reg(u16 reg) | |
186 | { | |
187 | reg &= 0xfff; | |
188 | if (!reg || reg == 0xfff) | |
189 | return 0; | |
190 | return (1500000 / reg); | |
191 | } | |
192 | ||
193 | static inline u16 fan_to_reg(long rpm) | |
194 | { | |
195 | /* If the low limit is set below what the chip can measure, | |
196 | store the largest possible 12-bit value in the registers, | |
197 | so that no alarm will ever trigger. */ | |
198 | if (rpm < 367) | |
199 | return 0xfff; | |
200 | return (1500000 / rpm); | |
201 | } | |
202 | ||
203 | static inline long temp_from_reg(u8 reg) | |
204 | { | |
205 | return (reg * 1000); | |
206 | } | |
207 | ||
208 | static inline u8 temp_to_reg(long val) | |
209 | { | |
210 | if (val < 0) | |
211 | val = 0; | |
212 | else if (val > 1000 * 0xff) | |
213 | val = 0xff; | |
214 | return ((val + 500) / 1000); | |
215 | } | |
216 | ||
217 | /* | |
218 | * Device I/O access | |
219 | */ | |
220 | ||
221 | static u8 f71805f_read8(struct f71805f_data *data, u8 reg) | |
222 | { | |
223 | u8 val; | |
224 | ||
f0819184 | 225 | mutex_lock(&data->lock); |
e53004e2 JD |
226 | outb(reg, data->addr + ADDR_REG_OFFSET); |
227 | val = inb(data->addr + DATA_REG_OFFSET); | |
f0819184 | 228 | mutex_unlock(&data->lock); |
e53004e2 JD |
229 | |
230 | return val; | |
231 | } | |
232 | ||
233 | static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val) | |
234 | { | |
f0819184 | 235 | mutex_lock(&data->lock); |
e53004e2 JD |
236 | outb(reg, data->addr + ADDR_REG_OFFSET); |
237 | outb(val, data->addr + DATA_REG_OFFSET); | |
f0819184 | 238 | mutex_unlock(&data->lock); |
e53004e2 JD |
239 | } |
240 | ||
241 | /* It is important to read the MSB first, because doing so latches the | |
242 | value of the LSB, so we are sure both bytes belong to the same value. */ | |
243 | static u16 f71805f_read16(struct f71805f_data *data, u8 reg) | |
244 | { | |
245 | u16 val; | |
246 | ||
f0819184 | 247 | mutex_lock(&data->lock); |
e53004e2 JD |
248 | outb(reg, data->addr + ADDR_REG_OFFSET); |
249 | val = inb(data->addr + DATA_REG_OFFSET) << 8; | |
250 | outb(++reg, data->addr + ADDR_REG_OFFSET); | |
251 | val |= inb(data->addr + DATA_REG_OFFSET); | |
f0819184 | 252 | mutex_unlock(&data->lock); |
e53004e2 JD |
253 | |
254 | return val; | |
255 | } | |
256 | ||
257 | static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val) | |
258 | { | |
f0819184 | 259 | mutex_lock(&data->lock); |
e53004e2 JD |
260 | outb(reg, data->addr + ADDR_REG_OFFSET); |
261 | outb(val >> 8, data->addr + DATA_REG_OFFSET); | |
262 | outb(++reg, data->addr + ADDR_REG_OFFSET); | |
263 | outb(val & 0xff, data->addr + DATA_REG_OFFSET); | |
f0819184 | 264 | mutex_unlock(&data->lock); |
e53004e2 JD |
265 | } |
266 | ||
267 | static struct f71805f_data *f71805f_update_device(struct device *dev) | |
268 | { | |
269 | struct f71805f_data *data = dev_get_drvdata(dev); | |
270 | int nr; | |
271 | ||
f0819184 | 272 | mutex_lock(&data->update_lock); |
e53004e2 JD |
273 | |
274 | /* Limit registers cache is refreshed after 60 seconds */ | |
275 | if (time_after(jiffies, data->last_updated + 60 * HZ) | |
276 | || !data->valid) { | |
277 | for (nr = 0; nr < 9; nr++) { | |
278 | data->in_high[nr] = f71805f_read8(data, | |
279 | F71805F_REG_IN_HIGH(nr)); | |
280 | data->in_low[nr] = f71805f_read8(data, | |
281 | F71805F_REG_IN_LOW(nr)); | |
282 | } | |
283 | for (nr = 0; nr < 3; nr++) { | |
284 | if (data->fan_enabled & (1 << nr)) | |
285 | data->fan_low[nr] = f71805f_read16(data, | |
286 | F71805F_REG_FAN_LOW(nr)); | |
287 | } | |
288 | for (nr = 0; nr < 3; nr++) { | |
289 | data->temp_high[nr] = f71805f_read8(data, | |
290 | F71805F_REG_TEMP_HIGH(nr)); | |
291 | data->temp_hyst[nr] = f71805f_read8(data, | |
292 | F71805F_REG_TEMP_HYST(nr)); | |
293 | } | |
294 | data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE); | |
295 | ||
296 | data->last_limits = jiffies; | |
297 | } | |
298 | ||
299 | /* Measurement registers cache is refreshed after 1 second */ | |
300 | if (time_after(jiffies, data->last_updated + HZ) | |
301 | || !data->valid) { | |
302 | for (nr = 0; nr < 9; nr++) { | |
303 | data->in[nr] = f71805f_read8(data, | |
304 | F71805F_REG_IN(nr)); | |
305 | } | |
306 | for (nr = 0; nr < 3; nr++) { | |
307 | if (data->fan_enabled & (1 << nr)) | |
308 | data->fan[nr] = f71805f_read16(data, | |
309 | F71805F_REG_FAN(nr)); | |
310 | } | |
311 | for (nr = 0; nr < 3; nr++) { | |
312 | data->temp[nr] = f71805f_read8(data, | |
313 | F71805F_REG_TEMP(nr)); | |
314 | } | |
2d45771e JD |
315 | data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0)) |
316 | + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8) | |
317 | + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16); | |
e53004e2 JD |
318 | |
319 | data->last_updated = jiffies; | |
320 | data->valid = 1; | |
321 | } | |
322 | ||
f0819184 | 323 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
324 | |
325 | return data; | |
326 | } | |
327 | ||
328 | /* | |
329 | * Sysfs interface | |
330 | */ | |
331 | ||
332 | static ssize_t show_in0(struct device *dev, struct device_attribute *devattr, | |
333 | char *buf) | |
334 | { | |
335 | struct f71805f_data *data = f71805f_update_device(dev); | |
336 | ||
337 | return sprintf(buf, "%ld\n", in0_from_reg(data->in[0])); | |
338 | } | |
339 | ||
340 | static ssize_t show_in0_max(struct device *dev, struct device_attribute | |
341 | *devattr, char *buf) | |
342 | { | |
343 | struct f71805f_data *data = f71805f_update_device(dev); | |
344 | ||
345 | return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0])); | |
346 | } | |
347 | ||
348 | static ssize_t show_in0_min(struct device *dev, struct device_attribute | |
349 | *devattr, char *buf) | |
350 | { | |
351 | struct f71805f_data *data = f71805f_update_device(dev); | |
352 | ||
353 | return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0])); | |
354 | } | |
355 | ||
356 | static ssize_t set_in0_max(struct device *dev, struct device_attribute | |
357 | *devattr, const char *buf, size_t count) | |
358 | { | |
359 | struct f71805f_data *data = dev_get_drvdata(dev); | |
360 | long val = simple_strtol(buf, NULL, 10); | |
361 | ||
f0819184 | 362 | mutex_lock(&data->update_lock); |
e53004e2 JD |
363 | data->in_high[0] = in0_to_reg(val); |
364 | f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]); | |
f0819184 | 365 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
366 | |
367 | return count; | |
368 | } | |
369 | ||
370 | static ssize_t set_in0_min(struct device *dev, struct device_attribute | |
371 | *devattr, const char *buf, size_t count) | |
372 | { | |
373 | struct f71805f_data *data = dev_get_drvdata(dev); | |
374 | long val = simple_strtol(buf, NULL, 10); | |
375 | ||
f0819184 | 376 | mutex_lock(&data->update_lock); |
e53004e2 JD |
377 | data->in_low[0] = in0_to_reg(val); |
378 | f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]); | |
f0819184 | 379 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
380 | |
381 | return count; | |
382 | } | |
383 | ||
e53004e2 JD |
384 | static ssize_t show_in(struct device *dev, struct device_attribute *devattr, |
385 | char *buf) | |
386 | { | |
387 | struct f71805f_data *data = f71805f_update_device(dev); | |
388 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
389 | int nr = attr->index; | |
390 | ||
391 | return sprintf(buf, "%ld\n", in_from_reg(data->in[nr])); | |
392 | } | |
393 | ||
394 | static ssize_t show_in_max(struct device *dev, struct device_attribute | |
395 | *devattr, char *buf) | |
396 | { | |
397 | struct f71805f_data *data = f71805f_update_device(dev); | |
398 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
399 | int nr = attr->index; | |
400 | ||
401 | return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr])); | |
402 | } | |
403 | ||
404 | static ssize_t show_in_min(struct device *dev, struct device_attribute | |
405 | *devattr, char *buf) | |
406 | { | |
407 | struct f71805f_data *data = f71805f_update_device(dev); | |
408 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
409 | int nr = attr->index; | |
410 | ||
411 | return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr])); | |
412 | } | |
413 | ||
414 | static ssize_t set_in_max(struct device *dev, struct device_attribute | |
415 | *devattr, const char *buf, size_t count) | |
416 | { | |
417 | struct f71805f_data *data = dev_get_drvdata(dev); | |
418 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
419 | int nr = attr->index; | |
420 | long val = simple_strtol(buf, NULL, 10); | |
421 | ||
f0819184 | 422 | mutex_lock(&data->update_lock); |
e53004e2 JD |
423 | data->in_high[nr] = in_to_reg(val); |
424 | f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]); | |
f0819184 | 425 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
426 | |
427 | return count; | |
428 | } | |
429 | ||
430 | static ssize_t set_in_min(struct device *dev, struct device_attribute | |
431 | *devattr, const char *buf, size_t count) | |
432 | { | |
433 | struct f71805f_data *data = dev_get_drvdata(dev); | |
434 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
435 | int nr = attr->index; | |
436 | long val = simple_strtol(buf, NULL, 10); | |
437 | ||
f0819184 | 438 | mutex_lock(&data->update_lock); |
e53004e2 JD |
439 | data->in_low[nr] = in_to_reg(val); |
440 | f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]); | |
f0819184 | 441 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
442 | |
443 | return count; | |
444 | } | |
445 | ||
e53004e2 JD |
446 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, |
447 | char *buf) | |
448 | { | |
449 | struct f71805f_data *data = f71805f_update_device(dev); | |
450 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
451 | int nr = attr->index; | |
452 | ||
453 | return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr])); | |
454 | } | |
455 | ||
456 | static ssize_t show_fan_min(struct device *dev, struct device_attribute | |
457 | *devattr, char *buf) | |
458 | { | |
459 | struct f71805f_data *data = f71805f_update_device(dev); | |
460 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
461 | int nr = attr->index; | |
462 | ||
463 | return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr])); | |
464 | } | |
465 | ||
466 | static ssize_t set_fan_min(struct device *dev, struct device_attribute | |
467 | *devattr, const char *buf, size_t count) | |
468 | { | |
469 | struct f71805f_data *data = dev_get_drvdata(dev); | |
470 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
471 | int nr = attr->index; | |
472 | long val = simple_strtol(buf, NULL, 10); | |
473 | ||
f0819184 | 474 | mutex_lock(&data->update_lock); |
e53004e2 JD |
475 | data->fan_low[nr] = fan_to_reg(val); |
476 | f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]); | |
f0819184 | 477 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
478 | |
479 | return count; | |
480 | } | |
481 | ||
e53004e2 JD |
482 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, |
483 | char *buf) | |
484 | { | |
485 | struct f71805f_data *data = f71805f_update_device(dev); | |
486 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
487 | int nr = attr->index; | |
488 | ||
489 | return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr])); | |
490 | } | |
491 | ||
492 | static ssize_t show_temp_max(struct device *dev, struct device_attribute | |
493 | *devattr, char *buf) | |
494 | { | |
495 | struct f71805f_data *data = f71805f_update_device(dev); | |
496 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
497 | int nr = attr->index; | |
498 | ||
499 | return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr])); | |
500 | } | |
501 | ||
502 | static ssize_t show_temp_hyst(struct device *dev, struct device_attribute | |
503 | *devattr, char *buf) | |
504 | { | |
505 | struct f71805f_data *data = f71805f_update_device(dev); | |
506 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
507 | int nr = attr->index; | |
508 | ||
509 | return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr])); | |
510 | } | |
511 | ||
512 | static ssize_t show_temp_type(struct device *dev, struct device_attribute | |
513 | *devattr, char *buf) | |
514 | { | |
515 | struct f71805f_data *data = f71805f_update_device(dev); | |
516 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
517 | int nr = attr->index; | |
518 | ||
519 | /* 3 is diode, 4 is thermistor */ | |
520 | return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4); | |
521 | } | |
522 | ||
523 | static ssize_t set_temp_max(struct device *dev, struct device_attribute | |
524 | *devattr, const char *buf, size_t count) | |
525 | { | |
526 | struct f71805f_data *data = dev_get_drvdata(dev); | |
527 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
528 | int nr = attr->index; | |
529 | long val = simple_strtol(buf, NULL, 10); | |
530 | ||
f0819184 | 531 | mutex_lock(&data->update_lock); |
e53004e2 JD |
532 | data->temp_high[nr] = temp_to_reg(val); |
533 | f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]); | |
f0819184 | 534 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
535 | |
536 | return count; | |
537 | } | |
538 | ||
539 | static ssize_t set_temp_hyst(struct device *dev, struct device_attribute | |
540 | *devattr, const char *buf, size_t count) | |
541 | { | |
542 | struct f71805f_data *data = dev_get_drvdata(dev); | |
543 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
544 | int nr = attr->index; | |
545 | long val = simple_strtol(buf, NULL, 10); | |
546 | ||
f0819184 | 547 | mutex_lock(&data->update_lock); |
e53004e2 JD |
548 | data->temp_hyst[nr] = temp_to_reg(val); |
549 | f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]); | |
f0819184 | 550 | mutex_unlock(&data->update_lock); |
e53004e2 JD |
551 | |
552 | return count; | |
553 | } | |
554 | ||
e53004e2 JD |
555 | static ssize_t show_alarms_in(struct device *dev, struct device_attribute |
556 | *devattr, char *buf) | |
557 | { | |
558 | struct f71805f_data *data = f71805f_update_device(dev); | |
559 | ||
2d45771e | 560 | return sprintf(buf, "%lu\n", data->alarms & 0x1ff); |
e53004e2 JD |
561 | } |
562 | ||
563 | static ssize_t show_alarms_fan(struct device *dev, struct device_attribute | |
564 | *devattr, char *buf) | |
565 | { | |
566 | struct f71805f_data *data = f71805f_update_device(dev); | |
567 | ||
2d45771e | 568 | return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07); |
e53004e2 JD |
569 | } |
570 | ||
571 | static ssize_t show_alarms_temp(struct device *dev, struct device_attribute | |
572 | *devattr, char *buf) | |
573 | { | |
574 | struct f71805f_data *data = f71805f_update_device(dev); | |
575 | ||
2d45771e JD |
576 | return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07); |
577 | } | |
578 | ||
579 | static ssize_t show_alarm(struct device *dev, struct device_attribute | |
580 | *devattr, char *buf) | |
581 | { | |
582 | struct f71805f_data *data = f71805f_update_device(dev); | |
583 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
584 | int bitnr = attr->index; | |
585 | ||
586 | return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1); | |
e53004e2 JD |
587 | } |
588 | ||
e53004e2 JD |
589 | static ssize_t show_name(struct device *dev, struct device_attribute |
590 | *devattr, char *buf) | |
591 | { | |
592 | struct f71805f_data *data = dev_get_drvdata(dev); | |
593 | ||
594 | return sprintf(buf, "%s\n", data->name); | |
595 | } | |
596 | ||
0e39e01c JD |
597 | static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL); |
598 | static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max); | |
599 | static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min); | |
600 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); | |
601 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, | |
602 | show_in_max, set_in_max, 1); | |
603 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, | |
604 | show_in_min, set_in_min, 1); | |
605 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); | |
606 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, | |
607 | show_in_max, set_in_max, 2); | |
608 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, | |
609 | show_in_min, set_in_min, 2); | |
610 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); | |
611 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR, | |
612 | show_in_max, set_in_max, 3); | |
613 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR, | |
614 | show_in_min, set_in_min, 3); | |
615 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); | |
616 | static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR, | |
617 | show_in_max, set_in_max, 4); | |
618 | static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR, | |
619 | show_in_min, set_in_min, 4); | |
620 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); | |
621 | static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR, | |
622 | show_in_max, set_in_max, 5); | |
623 | static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR, | |
624 | show_in_min, set_in_min, 5); | |
625 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); | |
626 | static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR, | |
627 | show_in_max, set_in_max, 6); | |
628 | static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR, | |
629 | show_in_min, set_in_min, 6); | |
630 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); | |
631 | static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR, | |
632 | show_in_max, set_in_max, 7); | |
633 | static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR, | |
634 | show_in_min, set_in_min, 7); | |
635 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); | |
636 | static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR, | |
637 | show_in_max, set_in_max, 8); | |
638 | static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR, | |
639 | show_in_min, set_in_min, 8); | |
640 | ||
641 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | |
642 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, | |
643 | show_fan_min, set_fan_min, 0); | |
644 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | |
645 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, | |
646 | show_fan_min, set_fan_min, 1); | |
647 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); | |
648 | static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, | |
649 | show_fan_min, set_fan_min, 2); | |
650 | ||
651 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); | |
652 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
653 | show_temp_max, set_temp_max, 0); | |
654 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
655 | show_temp_hyst, set_temp_hyst, 0); | |
656 | static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0); | |
657 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); | |
658 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
659 | show_temp_max, set_temp_max, 1); | |
660 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
661 | show_temp_hyst, set_temp_hyst, 1); | |
662 | static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1); | |
663 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); | |
664 | static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR, | |
665 | show_temp_max, set_temp_max, 2); | |
666 | static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, | |
667 | show_temp_hyst, set_temp_hyst, 2); | |
668 | static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2); | |
669 | ||
670 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); | |
671 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); | |
672 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); | |
673 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); | |
674 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4); | |
675 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); | |
676 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); | |
677 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); | |
678 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); | |
679 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11); | |
680 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12); | |
681 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); | |
682 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16); | |
683 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17); | |
684 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18); | |
685 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL); | |
686 | static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL); | |
687 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL); | |
688 | ||
689 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
690 | ||
691 | static struct attribute *f71805f_attributes[] = { | |
692 | &dev_attr_in0_input.attr, | |
693 | &dev_attr_in0_max.attr, | |
694 | &dev_attr_in0_min.attr, | |
695 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
696 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
697 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
698 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
699 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
700 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
701 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
702 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
703 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
704 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
705 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
706 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
707 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
708 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
709 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
710 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
711 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
712 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
713 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
714 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
715 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
716 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
717 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
718 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
719 | ||
720 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
721 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
722 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
723 | &sensor_dev_attr_temp1_type.dev_attr.attr, | |
724 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
725 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
726 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
727 | &sensor_dev_attr_temp2_type.dev_attr.attr, | |
728 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
729 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
730 | &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, | |
731 | &sensor_dev_attr_temp3_type.dev_attr.attr, | |
732 | ||
733 | &sensor_dev_attr_in0_alarm.dev_attr.attr, | |
734 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
735 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
736 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
737 | &sensor_dev_attr_in4_alarm.dev_attr.attr, | |
738 | &sensor_dev_attr_in5_alarm.dev_attr.attr, | |
739 | &sensor_dev_attr_in6_alarm.dev_attr.attr, | |
740 | &sensor_dev_attr_in7_alarm.dev_attr.attr, | |
741 | &sensor_dev_attr_in8_alarm.dev_attr.attr, | |
742 | &dev_attr_alarms_in.attr, | |
743 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
744 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
745 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
746 | &dev_attr_alarms_temp.attr, | |
747 | &dev_attr_alarms_fan.attr, | |
748 | ||
749 | &dev_attr_name.attr, | |
750 | NULL | |
2488a39d JD |
751 | }; |
752 | ||
0e39e01c JD |
753 | static const struct attribute_group f71805f_group = { |
754 | .attrs = f71805f_attributes, | |
2488a39d JD |
755 | }; |
756 | ||
0e39e01c JD |
757 | static struct attribute *f71805f_attributes_fan[3][4] = { |
758 | { | |
759 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
760 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
761 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
762 | NULL | |
763 | }, { | |
764 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
765 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
766 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
767 | NULL | |
768 | }, { | |
769 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
770 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
771 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
772 | NULL | |
773 | } | |
774 | }; | |
775 | ||
776 | static const struct attribute_group f71805f_group_fan[3] = { | |
777 | { .attrs = f71805f_attributes_fan[0] }, | |
778 | { .attrs = f71805f_attributes_fan[1] }, | |
779 | { .attrs = f71805f_attributes_fan[2] }, | |
2488a39d | 780 | }; |
e53004e2 JD |
781 | |
782 | /* | |
783 | * Device registration and initialization | |
784 | */ | |
785 | ||
786 | static void __devinit f71805f_init_device(struct f71805f_data *data) | |
787 | { | |
788 | u8 reg; | |
789 | int i; | |
790 | ||
791 | reg = f71805f_read8(data, F71805F_REG_START); | |
792 | if ((reg & 0x41) != 0x01) { | |
793 | printk(KERN_DEBUG DRVNAME ": Starting monitoring " | |
794 | "operations\n"); | |
795 | f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40); | |
796 | } | |
797 | ||
798 | /* Fan monitoring can be disabled. If it is, we won't be polling | |
799 | the register values, and won't create the related sysfs files. */ | |
800 | for (i = 0; i < 3; i++) { | |
801 | reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(i)); | |
802 | if (!(reg & 0x80)) | |
803 | data->fan_enabled |= (1 << i); | |
804 | } | |
805 | } | |
806 | ||
807 | static int __devinit f71805f_probe(struct platform_device *pdev) | |
808 | { | |
809 | struct f71805f_data *data; | |
810 | struct resource *res; | |
2488a39d | 811 | int i, err; |
e53004e2 JD |
812 | |
813 | if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) { | |
814 | err = -ENOMEM; | |
815 | printk(KERN_ERR DRVNAME ": Out of memory\n"); | |
816 | goto exit; | |
817 | } | |
818 | ||
819 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
820 | data->addr = res->start; | |
f0819184 | 821 | mutex_init(&data->lock); |
e53004e2 | 822 | data->name = "f71805f"; |
f0819184 | 823 | mutex_init(&data->update_lock); |
e53004e2 JD |
824 | |
825 | platform_set_drvdata(pdev, data); | |
826 | ||
e53004e2 JD |
827 | /* Initialize the F71805F chip */ |
828 | f71805f_init_device(data); | |
829 | ||
830 | /* Register sysfs interface files */ | |
0e39e01c JD |
831 | if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group))) |
832 | goto exit_free; | |
833 | for (i = 0; i < 3; i++) { | |
834 | if (!(data->fan_enabled & (1 << i))) | |
2488a39d | 835 | continue; |
0e39e01c JD |
836 | if ((err = sysfs_create_group(&pdev->dev.kobj, |
837 | &f71805f_group_fan[i]))) | |
838 | goto exit_remove_files; | |
839 | } | |
840 | ||
841 | data->class_dev = hwmon_device_register(&pdev->dev); | |
842 | if (IS_ERR(data->class_dev)) { | |
843 | err = PTR_ERR(data->class_dev); | |
844 | dev_err(&pdev->dev, "Class registration failed (%d)\n", err); | |
845 | goto exit_remove_files; | |
e53004e2 | 846 | } |
e53004e2 JD |
847 | |
848 | return 0; | |
849 | ||
0e39e01c JD |
850 | exit_remove_files: |
851 | sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); | |
852 | for (i = 0; i < 3; i++) | |
853 | sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); | |
e53004e2 | 854 | exit_free: |
0e39e01c | 855 | platform_set_drvdata(pdev, NULL); |
e53004e2 JD |
856 | kfree(data); |
857 | exit: | |
858 | return err; | |
859 | } | |
860 | ||
861 | static int __devexit f71805f_remove(struct platform_device *pdev) | |
862 | { | |
863 | struct f71805f_data *data = platform_get_drvdata(pdev); | |
0e39e01c | 864 | int i; |
e53004e2 JD |
865 | |
866 | platform_set_drvdata(pdev, NULL); | |
867 | hwmon_device_unregister(data->class_dev); | |
0e39e01c JD |
868 | sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); |
869 | for (i = 0; i < 3; i++) | |
870 | sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); | |
e53004e2 JD |
871 | kfree(data); |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
876 | static struct platform_driver f71805f_driver = { | |
877 | .driver = { | |
878 | .owner = THIS_MODULE, | |
879 | .name = DRVNAME, | |
880 | }, | |
881 | .probe = f71805f_probe, | |
882 | .remove = __devexit_p(f71805f_remove), | |
883 | }; | |
884 | ||
885 | static int __init f71805f_device_add(unsigned short address) | |
886 | { | |
568825c8 JD |
887 | struct resource res = { |
888 | .start = address, | |
889 | .end = address + REGION_LENGTH - 1, | |
890 | .flags = IORESOURCE_IO, | |
891 | }; | |
e53004e2 JD |
892 | int err; |
893 | ||
894 | pdev = platform_device_alloc(DRVNAME, address); | |
895 | if (!pdev) { | |
896 | err = -ENOMEM; | |
897 | printk(KERN_ERR DRVNAME ": Device allocation failed\n"); | |
898 | goto exit; | |
899 | } | |
900 | ||
568825c8 JD |
901 | res.name = pdev->name; |
902 | err = platform_device_add_resources(pdev, &res, 1); | |
e53004e2 JD |
903 | if (err) { |
904 | printk(KERN_ERR DRVNAME ": Device resource addition failed " | |
905 | "(%d)\n", err); | |
906 | goto exit_device_put; | |
907 | } | |
908 | ||
909 | err = platform_device_add(pdev); | |
910 | if (err) { | |
911 | printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", | |
912 | err); | |
913 | goto exit_device_put; | |
914 | } | |
915 | ||
916 | return 0; | |
917 | ||
918 | exit_device_put: | |
919 | platform_device_put(pdev); | |
920 | exit: | |
921 | return err; | |
922 | } | |
923 | ||
924 | static int __init f71805f_find(int sioaddr, unsigned short *address) | |
925 | { | |
926 | int err = -ENODEV; | |
927 | u16 devid; | |
928 | ||
929 | superio_enter(sioaddr); | |
930 | ||
931 | devid = superio_inw(sioaddr, SIO_REG_MANID); | |
932 | if (devid != SIO_FINTEK_ID) | |
933 | goto exit; | |
934 | ||
935 | devid = superio_inw(sioaddr, SIO_REG_DEVID); | |
936 | if (devid != SIO_F71805F_ID) { | |
937 | printk(KERN_INFO DRVNAME ": Unsupported Fintek device, " | |
938 | "skipping\n"); | |
939 | goto exit; | |
940 | } | |
941 | ||
942 | superio_select(sioaddr, F71805F_LD_HWM); | |
943 | if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { | |
944 | printk(KERN_WARNING DRVNAME ": Device not activated, " | |
945 | "skipping\n"); | |
946 | goto exit; | |
947 | } | |
948 | ||
949 | *address = superio_inw(sioaddr, SIO_REG_ADDR); | |
950 | if (*address == 0) { | |
951 | printk(KERN_WARNING DRVNAME ": Base address not set, " | |
952 | "skipping\n"); | |
953 | goto exit; | |
954 | } | |
955 | ||
956 | err = 0; | |
957 | printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n", | |
958 | *address, superio_inb(sioaddr, SIO_REG_DEVREV)); | |
959 | ||
960 | exit: | |
961 | superio_exit(sioaddr); | |
962 | return err; | |
963 | } | |
964 | ||
965 | static int __init f71805f_init(void) | |
966 | { | |
967 | int err; | |
968 | unsigned short address; | |
969 | ||
970 | if (f71805f_find(0x2e, &address) | |
971 | && f71805f_find(0x4e, &address)) | |
972 | return -ENODEV; | |
973 | ||
974 | err = platform_driver_register(&f71805f_driver); | |
975 | if (err) | |
976 | goto exit; | |
977 | ||
978 | /* Sets global pdev as a side effect */ | |
979 | err = f71805f_device_add(address); | |
980 | if (err) | |
981 | goto exit_driver; | |
982 | ||
983 | return 0; | |
984 | ||
985 | exit_driver: | |
986 | platform_driver_unregister(&f71805f_driver); | |
987 | exit: | |
988 | return err; | |
989 | } | |
990 | ||
991 | static void __exit f71805f_exit(void) | |
992 | { | |
993 | platform_device_unregister(pdev); | |
994 | platform_driver_unregister(&f71805f_driver); | |
995 | } | |
996 | ||
997 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr>"); | |
998 | MODULE_LICENSE("GPL"); | |
999 | MODULE_DESCRIPTION("F71805F hardware monitoring driver"); | |
1000 | ||
1001 | module_init(f71805f_init); | |
1002 | module_exit(f71805f_exit); |