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45fb3669 HG |
1 | /*************************************************************************** |
2 | * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> * | |
3 | * Copyright (C) 2007 by Hans de Goede <j.w.r.degoede@hhs.nl> * | |
4 | * * | |
5 | * This program is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU General Public License as published by * | |
7 | * the Free Software Foundation; either version 2 of the License, or * | |
8 | * (at your option) any later version. * | |
9 | * * | |
10 | * This program is distributed in the hope that it will be useful, * | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
13 | * GNU General Public License for more details. * | |
14 | * * | |
15 | * You should have received a copy of the GNU General Public License * | |
16 | * along with this program; if not, write to the * | |
17 | * Free Software Foundation, Inc., * | |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
19 | ***************************************************************************/ | |
20 | ||
21 | #include <linux/module.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/slab.h> | |
24 | #include <linux/jiffies.h> | |
25 | #include <linux/platform_device.h> | |
26 | #include <linux/hwmon.h> | |
27 | #include <linux/hwmon-sysfs.h> | |
28 | #include <linux/err.h> | |
29 | #include <linux/mutex.h> | |
30 | #include <asm/io.h> | |
31 | ||
32 | #define DRVNAME "f71882fg" | |
33 | ||
34 | #define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device*/ | |
35 | #define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */ | |
36 | #define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */ | |
37 | ||
38 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
39 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
40 | #define SIO_REG_DEVREV 0x22 /* Device revision */ | |
41 | #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ | |
42 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ | |
43 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
44 | ||
45 | #define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */ | |
46 | #define SIO_F71882_ID 0x0541 /* Chipset ID */ | |
47 | ||
48 | #define REGION_LENGTH 8 | |
49 | #define ADDR_REG_OFFSET 5 | |
50 | #define DATA_REG_OFFSET 6 | |
51 | ||
52 | #define F71882FG_REG_PECI 0x0A | |
53 | ||
54 | #define F71882FG_REG_IN_STATUS 0x12 | |
55 | #define F71882FG_REG_IN_BEEP 0x13 | |
56 | #define F71882FG_REG_IN(nr) (0x20 + (nr)) | |
57 | #define F71882FG_REG_IN1_HIGH 0x32 | |
58 | ||
59 | #define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr))) | |
60 | #define F71882FG_REG_FAN_STATUS 0x92 | |
61 | #define F71882FG_REG_FAN_BEEP 0x93 | |
62 | ||
63 | #define F71882FG_REG_TEMP(nr) (0x72 + 2 * (nr)) | |
64 | #define F71882FG_REG_TEMP_OVT(nr) (0x82 + 2 * (nr)) | |
65 | #define F71882FG_REG_TEMP_HIGH(nr) (0x83 + 2 * (nr)) | |
66 | #define F71882FG_REG_TEMP_STATUS 0x62 | |
67 | #define F71882FG_REG_TEMP_BEEP 0x63 | |
68 | #define F71882FG_REG_TEMP_HYST1 0x6C | |
69 | #define F71882FG_REG_TEMP_HYST23 0x6D | |
70 | #define F71882FG_REG_TEMP_TYPE 0x6B | |
71 | #define F71882FG_REG_TEMP_DIODE_OPEN 0x6F | |
72 | ||
73 | #define F71882FG_REG_START 0x01 | |
74 | ||
75 | #define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */ | |
76 | ||
67b671bc JD |
77 | static unsigned short force_id; |
78 | module_param(force_id, ushort, 0); | |
79 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
80 | ||
45fb3669 HG |
81 | static struct platform_device *f71882fg_pdev = NULL; |
82 | ||
83 | /* Super-I/O Function prototypes */ | |
84 | static inline int superio_inb(int base, int reg); | |
85 | static inline int superio_inw(int base, int reg); | |
86 | static inline void superio_enter(int base); | |
87 | static inline void superio_select(int base, int ld); | |
88 | static inline void superio_exit(int base); | |
89 | ||
45fb3669 HG |
90 | struct f71882fg_data { |
91 | unsigned short addr; | |
1beeffe4 | 92 | struct device *hwmon_dev; |
45fb3669 HG |
93 | |
94 | struct mutex update_lock; | |
95 | char valid; /* !=0 if following fields are valid */ | |
96 | unsigned long last_updated; /* In jiffies */ | |
97 | unsigned long last_limits; /* In jiffies */ | |
98 | ||
99 | /* Register Values */ | |
100 | u8 in[9]; | |
101 | u8 in1_max; | |
102 | u8 in_status; | |
103 | u8 in_beep; | |
104 | u16 fan[4]; | |
105 | u8 fan_status; | |
106 | u8 fan_beep; | |
107 | u8 temp[3]; | |
108 | u8 temp_ovt[3]; | |
109 | u8 temp_high[3]; | |
110 | u8 temp_hyst[3]; | |
111 | u8 temp_type[3]; | |
112 | u8 temp_status; | |
113 | u8 temp_beep; | |
114 | u8 temp_diode_open; | |
115 | }; | |
116 | ||
45fb3669 HG |
117 | /* Sysfs in*/ |
118 | static ssize_t show_in(struct device *dev, struct device_attribute *devattr, | |
119 | char *buf); | |
120 | static ssize_t show_in_max(struct device *dev, struct device_attribute | |
121 | *devattr, char *buf); | |
122 | static ssize_t store_in_max(struct device *dev, struct device_attribute | |
123 | *devattr, const char *buf, size_t count); | |
124 | static ssize_t show_in_beep(struct device *dev, struct device_attribute | |
125 | *devattr, char *buf); | |
126 | static ssize_t store_in_beep(struct device *dev, struct device_attribute | |
127 | *devattr, const char *buf, size_t count); | |
128 | static ssize_t show_in_alarm(struct device *dev, struct device_attribute | |
129 | *devattr, char *buf); | |
130 | /* Sysfs Fan */ | |
131 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, | |
132 | char *buf); | |
133 | static ssize_t show_fan_beep(struct device *dev, struct device_attribute | |
134 | *devattr, char *buf); | |
135 | static ssize_t store_fan_beep(struct device *dev, struct device_attribute | |
136 | *devattr, const char *buf, size_t count); | |
137 | static ssize_t show_fan_alarm(struct device *dev, struct device_attribute | |
138 | *devattr, char *buf); | |
139 | /* Sysfs Temp */ | |
140 | static ssize_t show_temp(struct device *dev, struct device_attribute | |
141 | *devattr, char *buf); | |
142 | static ssize_t show_temp_max(struct device *dev, struct device_attribute | |
143 | *devattr, char *buf); | |
144 | static ssize_t store_temp_max(struct device *dev, struct device_attribute | |
145 | *devattr, const char *buf, size_t count); | |
146 | static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute | |
147 | *devattr, char *buf); | |
148 | static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute | |
149 | *devattr, const char *buf, size_t count); | |
150 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute | |
151 | *devattr, char *buf); | |
152 | static ssize_t store_temp_crit(struct device *dev, struct device_attribute | |
153 | *devattr, const char *buf, size_t count); | |
154 | static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute | |
155 | *devattr, char *buf); | |
156 | static ssize_t show_temp_type(struct device *dev, struct device_attribute | |
157 | *devattr, char *buf); | |
158 | static ssize_t show_temp_beep(struct device *dev, struct device_attribute | |
159 | *devattr, char *buf); | |
160 | static ssize_t store_temp_beep(struct device *dev, struct device_attribute | |
161 | *devattr, const char *buf, size_t count); | |
162 | static ssize_t show_temp_alarm(struct device *dev, struct device_attribute | |
163 | *devattr, char *buf); | |
164 | static ssize_t show_temp_fault(struct device *dev, struct device_attribute | |
165 | *devattr, char *buf); | |
166 | /* Sysfs misc */ | |
167 | static ssize_t show_name(struct device *dev, struct device_attribute *devattr, | |
168 | char *buf); | |
169 | ||
170 | static int __devinit f71882fg_probe(struct platform_device * pdev); | |
171 | static int __devexit f71882fg_remove(struct platform_device *pdev); | |
172 | static int __init f71882fg_init(void); | |
173 | static int __init f71882fg_find(int sioaddr, unsigned short *address); | |
174 | static int __init f71882fg_device_add(unsigned short address); | |
175 | static void __exit f71882fg_exit(void); | |
176 | ||
177 | static struct platform_driver f71882fg_driver = { | |
178 | .driver = { | |
179 | .owner = THIS_MODULE, | |
180 | .name = DRVNAME, | |
181 | }, | |
182 | .probe = f71882fg_probe, | |
183 | .remove = __devexit_p(f71882fg_remove), | |
184 | }; | |
185 | ||
186 | static struct device_attribute f71882fg_dev_attr[] = | |
187 | { | |
188 | __ATTR( name, S_IRUGO, show_name, NULL ), | |
189 | }; | |
190 | ||
191 | static struct sensor_device_attribute f71882fg_in_temp_attr[] = | |
192 | { | |
193 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
194 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
195 | SENSOR_ATTR(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max, 1), | |
196 | SENSOR_ATTR(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep, 1), | |
197 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_in_alarm, NULL, 1), | |
198 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
199 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
200 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
201 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
202 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
203 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
204 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
205 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0), | |
206 | SENSOR_ATTR(temp1_max, S_IRUGO|S_IWUSR, show_temp_max, | |
207 | store_temp_max, 0), | |
208 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
209 | store_temp_max_hyst, 0), | |
210 | SENSOR_ATTR(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
211 | store_temp_crit, 0), | |
212 | SENSOR_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 0), | |
213 | SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0), | |
214 | SENSOR_ATTR(temp1_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
215 | store_temp_beep, 0), | |
216 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0), | |
217 | SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0), | |
218 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1), | |
219 | SENSOR_ATTR(temp2_max, S_IRUGO|S_IWUSR, show_temp_max, | |
220 | store_temp_max, 1), | |
221 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
222 | store_temp_max_hyst, 1), | |
223 | SENSOR_ATTR(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
224 | store_temp_crit, 1), | |
225 | SENSOR_ATTR(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 1), | |
226 | SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1), | |
227 | SENSOR_ATTR(temp2_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
228 | store_temp_beep, 1), | |
229 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 1), | |
230 | SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1), | |
231 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2), | |
232 | SENSOR_ATTR(temp3_max, S_IRUGO|S_IWUSR, show_temp_max, | |
233 | store_temp_max, 2), | |
234 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
235 | store_temp_max_hyst, 2), | |
236 | SENSOR_ATTR(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
237 | store_temp_crit, 2), | |
238 | SENSOR_ATTR(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 2), | |
239 | SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2), | |
240 | SENSOR_ATTR(temp3_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
241 | store_temp_beep, 2), | |
242 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 2), | |
243 | SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2) | |
244 | }; | |
245 | ||
246 | static struct sensor_device_attribute f71882fg_fan_attr[] = | |
247 | { | |
248 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), | |
249 | SENSOR_ATTR(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
250 | store_fan_beep, 0), | |
251 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0), | |
252 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), | |
253 | SENSOR_ATTR(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
254 | store_fan_beep, 1), | |
255 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 1), | |
256 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), | |
257 | SENSOR_ATTR(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
258 | store_fan_beep, 2), | |
259 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 2), | |
260 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), | |
261 | SENSOR_ATTR(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
262 | store_fan_beep, 3), | |
263 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 3) | |
264 | }; | |
265 | ||
266 | ||
267 | /* Super I/O functions */ | |
268 | static inline int superio_inb(int base, int reg) | |
269 | { | |
270 | outb(reg, base); | |
271 | return inb(base + 1); | |
272 | } | |
273 | ||
274 | static int superio_inw(int base, int reg) | |
275 | { | |
276 | int val; | |
277 | outb(reg++, base); | |
278 | val = inb(base + 1) << 8; | |
279 | outb(reg, base); | |
280 | val |= inb(base + 1); | |
281 | return val; | |
282 | } | |
283 | ||
284 | static inline void superio_enter(int base) | |
285 | { | |
286 | /* according to the datasheet the key must be send twice! */ | |
287 | outb( SIO_UNLOCK_KEY, base); | |
288 | outb( SIO_UNLOCK_KEY, base); | |
289 | } | |
290 | ||
291 | static inline void superio_select( int base, int ld) | |
292 | { | |
293 | outb(SIO_REG_LDSEL, base); | |
294 | outb(ld, base + 1); | |
295 | } | |
296 | ||
297 | static inline void superio_exit(int base) | |
298 | { | |
299 | outb(SIO_LOCK_KEY, base); | |
300 | } | |
301 | ||
302 | static inline u16 fan_from_reg(u16 reg) | |
303 | { | |
304 | return reg ? (1500000 / reg) : 0; | |
305 | } | |
306 | ||
307 | static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg) | |
308 | { | |
309 | u8 val; | |
310 | ||
311 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
312 | val = inb(data->addr + DATA_REG_OFFSET); | |
313 | ||
314 | return val; | |
315 | } | |
316 | ||
317 | static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg) | |
318 | { | |
319 | u16 val; | |
320 | ||
321 | outb(reg++, data->addr + ADDR_REG_OFFSET); | |
322 | val = inb(data->addr + DATA_REG_OFFSET) << 8; | |
323 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
324 | val |= inb(data->addr + DATA_REG_OFFSET); | |
325 | ||
326 | return val; | |
327 | } | |
328 | ||
329 | static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val) | |
330 | { | |
331 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
332 | outb(val, data->addr + DATA_REG_OFFSET); | |
333 | } | |
334 | ||
335 | static struct f71882fg_data *f71882fg_update_device(struct device * dev) | |
336 | { | |
337 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
338 | int nr, reg, reg2; | |
339 | ||
340 | mutex_lock(&data->update_lock); | |
341 | ||
342 | /* Update once every 60 seconds */ | |
343 | if ( time_after(jiffies, data->last_limits + 60 * HZ ) || | |
344 | !data->valid) { | |
345 | data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH); | |
346 | data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP); | |
347 | ||
348 | /* Get High & boundary temps*/ | |
349 | for (nr = 0; nr < 3; nr++) { | |
350 | data->temp_ovt[nr] = f71882fg_read8(data, | |
351 | F71882FG_REG_TEMP_OVT(nr)); | |
352 | data->temp_high[nr] = f71882fg_read8(data, | |
353 | F71882FG_REG_TEMP_HIGH(nr)); | |
354 | } | |
355 | ||
356 | /* Have to hardcode hyst*/ | |
357 | data->temp_hyst[0] = f71882fg_read8(data, | |
358 | F71882FG_REG_TEMP_HYST1) >> 4; | |
359 | /* Hyst temps 2 & 3 stored in same register */ | |
360 | reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23); | |
361 | data->temp_hyst[1] = reg & 0x0F; | |
362 | data->temp_hyst[2] = reg >> 4; | |
363 | ||
364 | /* Have to hardcode type, because temp1 is special */ | |
365 | reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE); | |
366 | reg2 = f71882fg_read8(data, F71882FG_REG_PECI); | |
367 | if ((reg2 & 0x03) == 0x01) | |
368 | data->temp_type[0] = 6 /* PECI */; | |
369 | else if ((reg2 & 0x03) == 0x02) | |
370 | data->temp_type[0] = 5 /* AMDSI */; | |
371 | else | |
372 | data->temp_type[0] = (reg & 0x02) ? 2 : 4; | |
373 | ||
374 | data->temp_type[1] = (reg & 0x04) ? 2 : 4; | |
375 | data->temp_type[2] = (reg & 0x08) ? 2 : 4; | |
376 | ||
377 | data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP); | |
378 | ||
379 | data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP); | |
380 | ||
381 | data->last_limits = jiffies; | |
382 | } | |
383 | ||
384 | /* Update every second */ | |
8afb1049 | 385 | if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { |
45fb3669 HG |
386 | data->temp_status = f71882fg_read8(data, |
387 | F71882FG_REG_TEMP_STATUS); | |
388 | data->temp_diode_open = f71882fg_read8(data, | |
389 | F71882FG_REG_TEMP_DIODE_OPEN); | |
390 | for (nr = 0; nr < 3; nr++) | |
391 | data->temp[nr] = f71882fg_read8(data, | |
392 | F71882FG_REG_TEMP(nr)); | |
393 | ||
394 | data->fan_status = f71882fg_read8(data, | |
395 | F71882FG_REG_FAN_STATUS); | |
396 | for (nr = 0; nr < 4; nr++) | |
397 | data->fan[nr] = f71882fg_read16(data, | |
398 | F71882FG_REG_FAN(nr)); | |
399 | ||
400 | data->in_status = f71882fg_read8(data, | |
401 | F71882FG_REG_IN_STATUS); | |
402 | for (nr = 0; nr < 9; nr++) | |
403 | data->in[nr] = f71882fg_read8(data, | |
404 | F71882FG_REG_IN(nr)); | |
405 | ||
406 | data->last_updated = jiffies; | |
407 | data->valid = 1; | |
408 | } | |
409 | ||
410 | mutex_unlock(&data->update_lock); | |
411 | ||
412 | return data; | |
413 | } | |
414 | ||
415 | /* Sysfs Interface */ | |
416 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, | |
417 | char *buf) | |
418 | { | |
419 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
420 | int nr = to_sensor_dev_attr(devattr)->index; | |
421 | int speed = fan_from_reg(data->fan[nr]); | |
422 | ||
423 | if (speed == FAN_MIN_DETECT) | |
424 | speed = 0; | |
425 | ||
426 | return sprintf(buf, "%d\n", speed); | |
427 | } | |
428 | ||
429 | static ssize_t show_fan_beep(struct device *dev, struct device_attribute | |
430 | *devattr, char *buf) | |
431 | { | |
432 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
433 | int nr = to_sensor_dev_attr(devattr)->index; | |
434 | ||
435 | if (data->fan_beep & (1 << nr)) | |
436 | return sprintf(buf, "1\n"); | |
437 | else | |
438 | return sprintf(buf, "0\n"); | |
439 | } | |
440 | ||
441 | static ssize_t store_fan_beep(struct device *dev, struct device_attribute | |
442 | *devattr, const char *buf, size_t count) | |
443 | { | |
444 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
445 | int nr = to_sensor_dev_attr(devattr)->index; | |
446 | int val = simple_strtoul(buf, NULL, 10); | |
447 | ||
448 | mutex_lock(&data->update_lock); | |
449 | if (val) | |
450 | data->fan_beep |= 1 << nr; | |
451 | else | |
452 | data->fan_beep &= ~(1 << nr); | |
453 | ||
454 | f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep); | |
455 | mutex_unlock(&data->update_lock); | |
456 | ||
457 | return count; | |
458 | } | |
459 | ||
460 | static ssize_t show_fan_alarm(struct device *dev, struct device_attribute | |
461 | *devattr, char *buf) | |
462 | { | |
463 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
464 | int nr = to_sensor_dev_attr(devattr)->index; | |
465 | ||
466 | if (data->fan_status & (1 << nr)) | |
467 | return sprintf(buf, "1\n"); | |
468 | else | |
469 | return sprintf(buf, "0\n"); | |
470 | } | |
471 | ||
472 | static ssize_t show_in(struct device *dev, struct device_attribute *devattr, | |
473 | char *buf) | |
474 | { | |
475 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
476 | int nr = to_sensor_dev_attr(devattr)->index; | |
477 | ||
478 | return sprintf(buf, "%d\n", data->in[nr] * 8); | |
479 | } | |
480 | ||
481 | static ssize_t show_in_max(struct device *dev, struct device_attribute | |
482 | *devattr, char *buf) | |
483 | { | |
484 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
485 | ||
486 | return sprintf(buf, "%d\n", data->in1_max * 8); | |
487 | } | |
488 | ||
489 | static ssize_t store_in_max(struct device *dev, struct device_attribute | |
490 | *devattr, const char *buf, size_t count) | |
491 | { | |
492 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
493 | int val = simple_strtoul(buf, NULL, 10) / 8; | |
494 | ||
495 | if (val > 255) | |
496 | val = 255; | |
497 | ||
498 | mutex_lock(&data->update_lock); | |
499 | f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val); | |
500 | data->in1_max = val; | |
501 | mutex_unlock(&data->update_lock); | |
502 | ||
503 | return count; | |
504 | } | |
505 | ||
506 | static ssize_t show_in_beep(struct device *dev, struct device_attribute | |
507 | *devattr, char *buf) | |
508 | { | |
509 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
510 | int nr = to_sensor_dev_attr(devattr)->index; | |
511 | ||
512 | if (data->in_beep & (1 << nr)) | |
513 | return sprintf(buf, "1\n"); | |
514 | else | |
515 | return sprintf(buf, "0\n"); | |
516 | } | |
517 | ||
518 | static ssize_t store_in_beep(struct device *dev, struct device_attribute | |
519 | *devattr, const char *buf, size_t count) | |
520 | { | |
521 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
522 | int nr = to_sensor_dev_attr(devattr)->index; | |
523 | int val = simple_strtoul(buf, NULL, 10); | |
524 | ||
525 | mutex_lock(&data->update_lock); | |
526 | if (val) | |
527 | data->in_beep |= 1 << nr; | |
528 | else | |
529 | data->in_beep &= ~(1 << nr); | |
530 | ||
531 | f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep); | |
532 | mutex_unlock(&data->update_lock); | |
533 | ||
534 | return count; | |
535 | } | |
536 | ||
537 | static ssize_t show_in_alarm(struct device *dev, struct device_attribute | |
538 | *devattr, char *buf) | |
539 | { | |
540 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
541 | int nr = to_sensor_dev_attr(devattr)->index; | |
542 | ||
543 | if (data->in_status & (1 << nr)) | |
544 | return sprintf(buf, "1\n"); | |
545 | else | |
546 | return sprintf(buf, "0\n"); | |
547 | } | |
548 | ||
549 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, | |
550 | char *buf) | |
551 | { | |
552 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
553 | int nr = to_sensor_dev_attr(devattr)->index; | |
554 | ||
555 | return sprintf(buf, "%d\n", data->temp[nr] * 1000); | |
556 | } | |
557 | ||
558 | static ssize_t show_temp_max(struct device *dev, struct device_attribute | |
559 | *devattr, char *buf) | |
560 | { | |
561 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
562 | int nr = to_sensor_dev_attr(devattr)->index; | |
563 | ||
564 | return sprintf(buf, "%d\n", data->temp_high[nr] * 1000); | |
565 | } | |
566 | ||
567 | static ssize_t store_temp_max(struct device *dev, struct device_attribute | |
568 | *devattr, const char *buf, size_t count) | |
569 | { | |
570 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
571 | int nr = to_sensor_dev_attr(devattr)->index; | |
572 | int val = simple_strtoul(buf, NULL, 10) / 1000; | |
573 | ||
574 | if (val > 255) | |
575 | val = 255; | |
576 | ||
577 | mutex_lock(&data->update_lock); | |
578 | f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val); | |
579 | data->temp_high[nr] = val; | |
580 | mutex_unlock(&data->update_lock); | |
581 | ||
582 | return count; | |
583 | } | |
584 | ||
585 | static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute | |
586 | *devattr, char *buf) | |
587 | { | |
588 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
589 | int nr = to_sensor_dev_attr(devattr)->index; | |
590 | ||
591 | return sprintf(buf, "%d\n", | |
592 | (data->temp_high[nr] - data->temp_hyst[nr]) * 1000); | |
593 | } | |
594 | ||
595 | static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute | |
596 | *devattr, const char *buf, size_t count) | |
597 | { | |
598 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
599 | int nr = to_sensor_dev_attr(devattr)->index; | |
600 | int val = simple_strtoul(buf, NULL, 10) / 1000; | |
601 | ssize_t ret = count; | |
602 | ||
603 | mutex_lock(&data->update_lock); | |
604 | ||
605 | /* convert abs to relative and check */ | |
606 | val = data->temp_high[nr] - val; | |
607 | if (val < 0 || val > 15) { | |
608 | ret = -EINVAL; | |
609 | goto store_temp_max_hyst_exit; | |
610 | } | |
611 | ||
612 | data->temp_hyst[nr] = val; | |
613 | ||
614 | /* convert value to register contents */ | |
8afb1049 | 615 | switch (nr) { |
45fb3669 HG |
616 | case 0: |
617 | val = val << 4; | |
618 | break; | |
619 | case 1: | |
620 | val = val | (data->temp_hyst[2] << 4); | |
621 | break; | |
622 | case 2: | |
623 | val = data->temp_hyst[1] | (val << 4); | |
624 | break; | |
625 | } | |
626 | ||
627 | f71882fg_write8(data, nr ? F71882FG_REG_TEMP_HYST23 : | |
628 | F71882FG_REG_TEMP_HYST1, val); | |
629 | ||
630 | store_temp_max_hyst_exit: | |
631 | mutex_unlock(&data->update_lock); | |
632 | return ret; | |
633 | } | |
634 | ||
635 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute | |
636 | *devattr, char *buf) | |
637 | { | |
638 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
639 | int nr = to_sensor_dev_attr(devattr)->index; | |
640 | ||
641 | return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000); | |
642 | } | |
643 | ||
644 | static ssize_t store_temp_crit(struct device *dev, struct device_attribute | |
645 | *devattr, const char *buf, size_t count) | |
646 | { | |
647 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
648 | int nr = to_sensor_dev_attr(devattr)->index; | |
649 | int val = simple_strtoul(buf, NULL, 10) / 1000; | |
650 | ||
651 | if (val > 255) | |
652 | val = 255; | |
653 | ||
654 | mutex_lock(&data->update_lock); | |
655 | f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val); | |
656 | data->temp_ovt[nr] = val; | |
657 | mutex_unlock(&data->update_lock); | |
658 | ||
659 | return count; | |
660 | } | |
661 | ||
662 | static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute | |
663 | *devattr, char *buf) | |
664 | { | |
665 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
666 | int nr = to_sensor_dev_attr(devattr)->index; | |
667 | ||
668 | return sprintf(buf, "%d\n", | |
669 | (data->temp_ovt[nr] - data->temp_hyst[nr]) * 1000); | |
670 | } | |
671 | ||
672 | static ssize_t show_temp_type(struct device *dev, struct device_attribute | |
673 | *devattr, char *buf) | |
674 | { | |
675 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
676 | int nr = to_sensor_dev_attr(devattr)->index; | |
677 | ||
678 | return sprintf(buf, "%d\n", data->temp_type[nr]); | |
679 | } | |
680 | ||
681 | static ssize_t show_temp_beep(struct device *dev, struct device_attribute | |
682 | *devattr, char *buf) | |
683 | { | |
684 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
685 | int nr = to_sensor_dev_attr(devattr)->index; | |
686 | ||
687 | if (data->temp_beep & (1 << (nr + 1))) | |
688 | return sprintf(buf, "1\n"); | |
689 | else | |
690 | return sprintf(buf, "0\n"); | |
691 | } | |
692 | ||
693 | static ssize_t store_temp_beep(struct device *dev, struct device_attribute | |
694 | *devattr, const char *buf, size_t count) | |
695 | { | |
696 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
697 | int nr = to_sensor_dev_attr(devattr)->index; | |
698 | int val = simple_strtoul(buf, NULL, 10); | |
699 | ||
700 | mutex_lock(&data->update_lock); | |
701 | if (val) | |
702 | data->temp_beep |= 1 << (nr + 1); | |
703 | else | |
704 | data->temp_beep &= ~(1 << (nr + 1)); | |
705 | ||
706 | f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep); | |
707 | mutex_unlock(&data->update_lock); | |
708 | ||
709 | return count; | |
710 | } | |
711 | ||
712 | static ssize_t show_temp_alarm(struct device *dev, struct device_attribute | |
713 | *devattr, char *buf) | |
714 | { | |
715 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
716 | int nr = to_sensor_dev_attr(devattr)->index; | |
717 | ||
718 | if (data->temp_status & (1 << (nr + 1))) | |
719 | return sprintf(buf, "1\n"); | |
720 | else | |
721 | return sprintf(buf, "0\n"); | |
722 | } | |
723 | ||
724 | static ssize_t show_temp_fault(struct device *dev, struct device_attribute | |
725 | *devattr, char *buf) | |
726 | { | |
727 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
728 | int nr = to_sensor_dev_attr(devattr)->index; | |
729 | ||
730 | if (data->temp_diode_open & (1 << (nr + 1))) | |
731 | return sprintf(buf, "1\n"); | |
732 | else | |
733 | return sprintf(buf, "0\n"); | |
734 | } | |
735 | ||
736 | static ssize_t show_name(struct device *dev, struct device_attribute *devattr, | |
737 | char *buf) | |
738 | { | |
739 | return sprintf(buf, DRVNAME "\n"); | |
740 | } | |
741 | ||
742 | ||
743 | static int __devinit f71882fg_probe(struct platform_device * pdev) | |
744 | { | |
745 | struct f71882fg_data *data; | |
746 | int err, i; | |
747 | u8 start_reg; | |
748 | ||
8afb1049 | 749 | if (!(data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL))) |
45fb3669 HG |
750 | return -ENOMEM; |
751 | ||
752 | data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; | |
753 | mutex_init(&data->update_lock); | |
754 | platform_set_drvdata(pdev, data); | |
755 | ||
756 | /* Register sysfs interface files */ | |
757 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) { | |
758 | err = device_create_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
759 | if (err) | |
760 | goto exit_unregister_sysfs; | |
761 | } | |
762 | ||
763 | start_reg = f71882fg_read8(data, F71882FG_REG_START); | |
764 | if (start_reg & 0x01) { | |
765 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) { | |
766 | err = device_create_file(&pdev->dev, | |
767 | &f71882fg_in_temp_attr[i].dev_attr); | |
768 | if (err) | |
769 | goto exit_unregister_sysfs; | |
770 | } | |
771 | } | |
772 | ||
773 | if (start_reg & 0x02) { | |
774 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) { | |
775 | err = device_create_file(&pdev->dev, | |
776 | &f71882fg_fan_attr[i].dev_attr); | |
777 | if (err) | |
778 | goto exit_unregister_sysfs; | |
779 | } | |
780 | } | |
781 | ||
1beeffe4 TJ |
782 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
783 | if (IS_ERR(data->hwmon_dev)) { | |
784 | err = PTR_ERR(data->hwmon_dev); | |
45fb3669 HG |
785 | goto exit_unregister_sysfs; |
786 | } | |
787 | ||
788 | return 0; | |
789 | ||
790 | exit_unregister_sysfs: | |
791 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) | |
792 | device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
793 | ||
794 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) | |
795 | device_remove_file(&pdev->dev, | |
796 | &f71882fg_in_temp_attr[i].dev_attr); | |
797 | ||
798 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) | |
799 | device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr); | |
800 | ||
801 | kfree(data); | |
802 | ||
803 | return err; | |
804 | } | |
805 | ||
806 | static int __devexit f71882fg_remove(struct platform_device *pdev) | |
807 | { | |
808 | int i; | |
809 | struct f71882fg_data *data = platform_get_drvdata(pdev); | |
810 | ||
811 | platform_set_drvdata(pdev, NULL); | |
1beeffe4 | 812 | hwmon_device_unregister(data->hwmon_dev); |
45fb3669 HG |
813 | |
814 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) | |
815 | device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
816 | ||
817 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) | |
818 | device_remove_file(&pdev->dev, | |
819 | &f71882fg_in_temp_attr[i].dev_attr); | |
820 | ||
821 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) | |
822 | device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr); | |
823 | ||
824 | kfree(data); | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
829 | static int __init f71882fg_find(int sioaddr, unsigned short *address) | |
830 | { | |
831 | int err = -ENODEV; | |
832 | u16 devid; | |
833 | u8 start_reg; | |
834 | struct f71882fg_data data; | |
835 | ||
836 | superio_enter(sioaddr); | |
837 | ||
838 | devid = superio_inw(sioaddr, SIO_REG_MANID); | |
839 | if (devid != SIO_FINTEK_ID) { | |
840 | printk(KERN_INFO DRVNAME ": Not a Fintek device\n"); | |
841 | goto exit; | |
842 | } | |
843 | ||
67b671bc | 844 | devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID); |
45fb3669 HG |
845 | if (devid != SIO_F71882_ID) { |
846 | printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n"); | |
847 | goto exit; | |
848 | } | |
849 | ||
850 | superio_select(sioaddr, SIO_F71882FG_LD_HWM); | |
8afb1049 | 851 | if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { |
45fb3669 HG |
852 | printk(KERN_WARNING DRVNAME ": Device not activated\n"); |
853 | goto exit; | |
854 | } | |
855 | ||
856 | *address = superio_inw(sioaddr, SIO_REG_ADDR); | |
857 | if (*address == 0) | |
858 | { | |
859 | printk(KERN_WARNING DRVNAME ": Base address not set\n"); | |
860 | goto exit; | |
861 | } | |
862 | *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ | |
863 | ||
864 | data.addr = *address; | |
865 | start_reg = f71882fg_read8(&data, F71882FG_REG_START); | |
866 | if (!(start_reg & 0x03)) { | |
867 | printk(KERN_WARNING DRVNAME | |
868 | ": Hardware monitoring not activated\n"); | |
869 | goto exit; | |
870 | } | |
871 | ||
872 | err = 0; | |
873 | printk(KERN_INFO DRVNAME ": Found F71882FG chip at %#x, revision %d\n", | |
874 | (unsigned int)*address, | |
875 | (int)superio_inb(sioaddr, SIO_REG_DEVREV)); | |
876 | exit: | |
877 | superio_exit(sioaddr); | |
878 | return err; | |
879 | } | |
880 | ||
881 | static int __init f71882fg_device_add(unsigned short address) | |
882 | { | |
883 | struct resource res = { | |
884 | .start = address, | |
885 | .end = address + REGION_LENGTH - 1, | |
886 | .flags = IORESOURCE_IO, | |
887 | }; | |
888 | int err; | |
889 | ||
890 | f71882fg_pdev = platform_device_alloc(DRVNAME, address); | |
8afb1049 | 891 | if (!f71882fg_pdev) |
45fb3669 HG |
892 | return -ENOMEM; |
893 | ||
894 | res.name = f71882fg_pdev->name; | |
895 | err = platform_device_add_resources(f71882fg_pdev, &res, 1); | |
8afb1049 | 896 | if (err) { |
45fb3669 HG |
897 | printk(KERN_ERR DRVNAME ": Device resource addition failed\n"); |
898 | goto exit_device_put; | |
899 | } | |
900 | ||
901 | err = platform_device_add(f71882fg_pdev); | |
8afb1049 | 902 | if (err) { |
45fb3669 HG |
903 | printk(KERN_ERR DRVNAME ": Device addition failed\n"); |
904 | goto exit_device_put; | |
905 | } | |
906 | ||
907 | return 0; | |
908 | ||
909 | exit_device_put: | |
910 | platform_device_put(f71882fg_pdev); | |
911 | ||
912 | return err; | |
913 | } | |
914 | ||
915 | static int __init f71882fg_init(void) | |
916 | { | |
917 | int err = -ENODEV; | |
918 | unsigned short address; | |
919 | ||
920 | if (f71882fg_find(0x2e, &address) && f71882fg_find(0x4e, &address)) | |
921 | goto exit; | |
922 | ||
923 | if ((err = platform_driver_register(&f71882fg_driver))) | |
924 | goto exit; | |
925 | ||
926 | if ((err = f71882fg_device_add(address))) | |
927 | goto exit_driver; | |
928 | ||
929 | return 0; | |
930 | ||
931 | exit_driver: | |
932 | platform_driver_unregister(&f71882fg_driver); | |
933 | exit: | |
934 | return err; | |
935 | } | |
936 | ||
937 | static void __exit f71882fg_exit(void) | |
938 | { | |
939 | platform_device_unregister(f71882fg_pdev); | |
940 | platform_driver_unregister(&f71882fg_driver); | |
941 | } | |
942 | ||
943 | MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver"); | |
944 | MODULE_AUTHOR("Hans Edgington (hans@edgington.nl)"); | |
945 | MODULE_LICENSE("GPL"); | |
946 | ||
947 | module_init(f71882fg_init); | |
948 | module_exit(f71882fg_exit); |