Commit | Line | Data |
---|---|---|
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> | |
77a4a3e2 | 30 | #include <linux/io.h> |
45fb3669 HG |
31 | |
32 | #define DRVNAME "f71882fg" | |
33 | ||
77a4a3e2 | 34 | #define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */ |
45fb3669 HG |
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 | ||
77a4a3e2 | 81 | static struct platform_device *f71882fg_pdev; |
45fb3669 HG |
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 | ||
77a4a3e2 | 117 | /* Sysfs in */ |
45fb3669 HG |
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 | ||
bc37ae71 MD |
191 | static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = { |
192 | SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0), | |
193 | SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1), | |
194 | SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max, | |
195 | 0, 1), | |
196 | SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep, | |
197 | 0, 1), | |
198 | SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1), | |
199 | SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2), | |
200 | SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3), | |
201 | SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4), | |
202 | SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5), | |
203 | SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6), | |
204 | SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7), | |
205 | SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8), | |
206 | SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0), | |
207 | SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max, | |
208 | store_temp_max, 0, 0), | |
209 | SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
210 | store_temp_max_hyst, 0, 0), | |
211 | SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
212 | store_temp_crit, 0, 0), | |
213 | SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, | |
214 | 0, 0), | |
215 | SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 0), | |
216 | SENSOR_ATTR_2(temp1_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
217 | store_temp_beep, 0, 0), | |
218 | SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0), | |
219 | SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0), | |
220 | SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1), | |
221 | SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max, | |
222 | store_temp_max, 0, 1), | |
223 | SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
224 | store_temp_max_hyst, 0, 1), | |
225 | SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
226 | store_temp_crit, 0, 1), | |
227 | SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, | |
228 | 0, 1), | |
229 | SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 1), | |
230 | SENSOR_ATTR_2(temp2_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
231 | store_temp_beep, 0, 1), | |
232 | SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1), | |
233 | SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1), | |
234 | SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2), | |
235 | SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max, | |
236 | store_temp_max, 0, 2), | |
237 | SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, | |
238 | store_temp_max_hyst, 0, 2), | |
239 | SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit, | |
240 | store_temp_crit, 0, 2), | |
241 | SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, | |
242 | 0, 2), | |
243 | SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 2), | |
244 | SENSOR_ATTR_2(temp3_beep, S_IRUGO|S_IWUSR, show_temp_beep, | |
245 | store_temp_beep, 0, 2), | |
246 | SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2), | |
247 | SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2), | |
45fb3669 HG |
248 | }; |
249 | ||
bc37ae71 MD |
250 | static struct sensor_device_attribute_2 f71882fg_fan_attr[] = { |
251 | SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0), | |
252 | SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
253 | store_fan_beep, 0, 0), | |
254 | SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0), | |
255 | SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1), | |
256 | SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
257 | store_fan_beep, 0, 1), | |
258 | SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1), | |
259 | SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2), | |
260 | SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
261 | store_fan_beep, 0, 2), | |
262 | SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2), | |
263 | SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3), | |
264 | SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep, | |
265 | store_fan_beep, 0, 3), | |
266 | SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3), | |
45fb3669 HG |
267 | }; |
268 | ||
269 | ||
270 | /* Super I/O functions */ | |
271 | static inline int superio_inb(int base, int reg) | |
272 | { | |
273 | outb(reg, base); | |
274 | return inb(base + 1); | |
275 | } | |
276 | ||
277 | static int superio_inw(int base, int reg) | |
278 | { | |
279 | int val; | |
280 | outb(reg++, base); | |
281 | val = inb(base + 1) << 8; | |
282 | outb(reg, base); | |
283 | val |= inb(base + 1); | |
284 | return val; | |
285 | } | |
286 | ||
287 | static inline void superio_enter(int base) | |
288 | { | |
289 | /* according to the datasheet the key must be send twice! */ | |
290 | outb( SIO_UNLOCK_KEY, base); | |
291 | outb( SIO_UNLOCK_KEY, base); | |
292 | } | |
293 | ||
294 | static inline void superio_select( int base, int ld) | |
295 | { | |
296 | outb(SIO_REG_LDSEL, base); | |
297 | outb(ld, base + 1); | |
298 | } | |
299 | ||
300 | static inline void superio_exit(int base) | |
301 | { | |
302 | outb(SIO_LOCK_KEY, base); | |
303 | } | |
304 | ||
305 | static inline u16 fan_from_reg(u16 reg) | |
306 | { | |
307 | return reg ? (1500000 / reg) : 0; | |
308 | } | |
309 | ||
310 | static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg) | |
311 | { | |
312 | u8 val; | |
313 | ||
314 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
315 | val = inb(data->addr + DATA_REG_OFFSET); | |
316 | ||
317 | return val; | |
318 | } | |
319 | ||
320 | static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg) | |
321 | { | |
322 | u16 val; | |
323 | ||
324 | outb(reg++, data->addr + ADDR_REG_OFFSET); | |
325 | val = inb(data->addr + DATA_REG_OFFSET) << 8; | |
326 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
327 | val |= inb(data->addr + DATA_REG_OFFSET); | |
328 | ||
329 | return val; | |
330 | } | |
331 | ||
332 | static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val) | |
333 | { | |
334 | outb(reg, data->addr + ADDR_REG_OFFSET); | |
335 | outb(val, data->addr + DATA_REG_OFFSET); | |
336 | } | |
337 | ||
77a4a3e2 | 338 | static struct f71882fg_data *f71882fg_update_device(struct device *dev) |
45fb3669 HG |
339 | { |
340 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
341 | int nr, reg, reg2; | |
342 | ||
343 | mutex_lock(&data->update_lock); | |
344 | ||
345 | /* Update once every 60 seconds */ | |
346 | if ( time_after(jiffies, data->last_limits + 60 * HZ ) || | |
347 | !data->valid) { | |
348 | data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH); | |
349 | data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP); | |
350 | ||
351 | /* Get High & boundary temps*/ | |
352 | for (nr = 0; nr < 3; nr++) { | |
353 | data->temp_ovt[nr] = f71882fg_read8(data, | |
354 | F71882FG_REG_TEMP_OVT(nr)); | |
355 | data->temp_high[nr] = f71882fg_read8(data, | |
356 | F71882FG_REG_TEMP_HIGH(nr)); | |
357 | } | |
358 | ||
359 | /* Have to hardcode hyst*/ | |
360 | data->temp_hyst[0] = f71882fg_read8(data, | |
361 | F71882FG_REG_TEMP_HYST1) >> 4; | |
362 | /* Hyst temps 2 & 3 stored in same register */ | |
363 | reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23); | |
364 | data->temp_hyst[1] = reg & 0x0F; | |
365 | data->temp_hyst[2] = reg >> 4; | |
366 | ||
367 | /* Have to hardcode type, because temp1 is special */ | |
368 | reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE); | |
369 | reg2 = f71882fg_read8(data, F71882FG_REG_PECI); | |
370 | if ((reg2 & 0x03) == 0x01) | |
371 | data->temp_type[0] = 6 /* PECI */; | |
372 | else if ((reg2 & 0x03) == 0x02) | |
373 | data->temp_type[0] = 5 /* AMDSI */; | |
374 | else | |
375 | data->temp_type[0] = (reg & 0x02) ? 2 : 4; | |
376 | ||
377 | data->temp_type[1] = (reg & 0x04) ? 2 : 4; | |
378 | data->temp_type[2] = (reg & 0x08) ? 2 : 4; | |
379 | ||
380 | data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP); | |
381 | ||
382 | data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP); | |
383 | ||
384 | data->last_limits = jiffies; | |
385 | } | |
386 | ||
387 | /* Update every second */ | |
8afb1049 | 388 | if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { |
45fb3669 HG |
389 | data->temp_status = f71882fg_read8(data, |
390 | F71882FG_REG_TEMP_STATUS); | |
391 | data->temp_diode_open = f71882fg_read8(data, | |
392 | F71882FG_REG_TEMP_DIODE_OPEN); | |
393 | for (nr = 0; nr < 3; nr++) | |
394 | data->temp[nr] = f71882fg_read8(data, | |
395 | F71882FG_REG_TEMP(nr)); | |
396 | ||
397 | data->fan_status = f71882fg_read8(data, | |
398 | F71882FG_REG_FAN_STATUS); | |
399 | for (nr = 0; nr < 4; nr++) | |
400 | data->fan[nr] = f71882fg_read16(data, | |
401 | F71882FG_REG_FAN(nr)); | |
402 | ||
403 | data->in_status = f71882fg_read8(data, | |
404 | F71882FG_REG_IN_STATUS); | |
405 | for (nr = 0; nr < 9; nr++) | |
406 | data->in[nr] = f71882fg_read8(data, | |
407 | F71882FG_REG_IN(nr)); | |
408 | ||
409 | data->last_updated = jiffies; | |
410 | data->valid = 1; | |
411 | } | |
412 | ||
413 | mutex_unlock(&data->update_lock); | |
414 | ||
415 | return data; | |
416 | } | |
417 | ||
418 | /* Sysfs Interface */ | |
419 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, | |
420 | char *buf) | |
421 | { | |
422 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 423 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
424 | int speed = fan_from_reg(data->fan[nr]); |
425 | ||
426 | if (speed == FAN_MIN_DETECT) | |
427 | speed = 0; | |
428 | ||
429 | return sprintf(buf, "%d\n", speed); | |
430 | } | |
431 | ||
432 | static ssize_t show_fan_beep(struct device *dev, struct device_attribute | |
433 | *devattr, char *buf) | |
434 | { | |
435 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 436 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
437 | |
438 | if (data->fan_beep & (1 << nr)) | |
439 | return sprintf(buf, "1\n"); | |
440 | else | |
441 | return sprintf(buf, "0\n"); | |
442 | } | |
443 | ||
444 | static ssize_t store_fan_beep(struct device *dev, struct device_attribute | |
445 | *devattr, const char *buf, size_t count) | |
446 | { | |
447 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 448 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
449 | int val = simple_strtoul(buf, NULL, 10); |
450 | ||
451 | mutex_lock(&data->update_lock); | |
452 | if (val) | |
453 | data->fan_beep |= 1 << nr; | |
454 | else | |
455 | data->fan_beep &= ~(1 << nr); | |
456 | ||
457 | f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep); | |
458 | mutex_unlock(&data->update_lock); | |
459 | ||
460 | return count; | |
461 | } | |
462 | ||
463 | static ssize_t show_fan_alarm(struct device *dev, struct device_attribute | |
464 | *devattr, char *buf) | |
465 | { | |
466 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 467 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
468 | |
469 | if (data->fan_status & (1 << nr)) | |
470 | return sprintf(buf, "1\n"); | |
471 | else | |
472 | return sprintf(buf, "0\n"); | |
473 | } | |
474 | ||
475 | static ssize_t show_in(struct device *dev, struct device_attribute *devattr, | |
476 | char *buf) | |
477 | { | |
478 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 479 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
480 | |
481 | return sprintf(buf, "%d\n", data->in[nr] * 8); | |
482 | } | |
483 | ||
484 | static ssize_t show_in_max(struct device *dev, struct device_attribute | |
485 | *devattr, char *buf) | |
486 | { | |
487 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
488 | ||
489 | return sprintf(buf, "%d\n", data->in1_max * 8); | |
490 | } | |
491 | ||
492 | static ssize_t store_in_max(struct device *dev, struct device_attribute | |
493 | *devattr, const char *buf, size_t count) | |
494 | { | |
495 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
496 | int val = simple_strtoul(buf, NULL, 10) / 8; | |
497 | ||
498 | if (val > 255) | |
499 | val = 255; | |
500 | ||
501 | mutex_lock(&data->update_lock); | |
502 | f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val); | |
503 | data->in1_max = val; | |
504 | mutex_unlock(&data->update_lock); | |
505 | ||
506 | return count; | |
507 | } | |
508 | ||
509 | static ssize_t show_in_beep(struct device *dev, struct device_attribute | |
510 | *devattr, char *buf) | |
511 | { | |
512 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 513 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
514 | |
515 | if (data->in_beep & (1 << nr)) | |
516 | return sprintf(buf, "1\n"); | |
517 | else | |
518 | return sprintf(buf, "0\n"); | |
519 | } | |
520 | ||
521 | static ssize_t store_in_beep(struct device *dev, struct device_attribute | |
522 | *devattr, const char *buf, size_t count) | |
523 | { | |
524 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 525 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
526 | int val = simple_strtoul(buf, NULL, 10); |
527 | ||
528 | mutex_lock(&data->update_lock); | |
529 | if (val) | |
530 | data->in_beep |= 1 << nr; | |
531 | else | |
532 | data->in_beep &= ~(1 << nr); | |
533 | ||
534 | f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep); | |
535 | mutex_unlock(&data->update_lock); | |
536 | ||
537 | return count; | |
538 | } | |
539 | ||
540 | static ssize_t show_in_alarm(struct device *dev, struct device_attribute | |
541 | *devattr, char *buf) | |
542 | { | |
543 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 544 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
545 | |
546 | if (data->in_status & (1 << nr)) | |
547 | return sprintf(buf, "1\n"); | |
548 | else | |
549 | return sprintf(buf, "0\n"); | |
550 | } | |
551 | ||
552 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, | |
553 | char *buf) | |
554 | { | |
555 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 556 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
557 | |
558 | return sprintf(buf, "%d\n", data->temp[nr] * 1000); | |
559 | } | |
560 | ||
561 | static ssize_t show_temp_max(struct device *dev, struct device_attribute | |
562 | *devattr, char *buf) | |
563 | { | |
564 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 565 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
566 | |
567 | return sprintf(buf, "%d\n", data->temp_high[nr] * 1000); | |
568 | } | |
569 | ||
570 | static ssize_t store_temp_max(struct device *dev, struct device_attribute | |
571 | *devattr, const char *buf, size_t count) | |
572 | { | |
573 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 574 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
575 | int val = simple_strtoul(buf, NULL, 10) / 1000; |
576 | ||
577 | if (val > 255) | |
578 | val = 255; | |
579 | ||
580 | mutex_lock(&data->update_lock); | |
581 | f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val); | |
582 | data->temp_high[nr] = val; | |
583 | mutex_unlock(&data->update_lock); | |
584 | ||
585 | return count; | |
586 | } | |
587 | ||
588 | static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute | |
589 | *devattr, char *buf) | |
590 | { | |
591 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 592 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
593 | |
594 | return sprintf(buf, "%d\n", | |
595 | (data->temp_high[nr] - data->temp_hyst[nr]) * 1000); | |
596 | } | |
597 | ||
598 | static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute | |
599 | *devattr, const char *buf, size_t count) | |
600 | { | |
601 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 602 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
603 | int val = simple_strtoul(buf, NULL, 10) / 1000; |
604 | ssize_t ret = count; | |
605 | ||
606 | mutex_lock(&data->update_lock); | |
607 | ||
608 | /* convert abs to relative and check */ | |
609 | val = data->temp_high[nr] - val; | |
610 | if (val < 0 || val > 15) { | |
611 | ret = -EINVAL; | |
612 | goto store_temp_max_hyst_exit; | |
613 | } | |
614 | ||
615 | data->temp_hyst[nr] = val; | |
616 | ||
617 | /* convert value to register contents */ | |
8afb1049 | 618 | switch (nr) { |
45fb3669 HG |
619 | case 0: |
620 | val = val << 4; | |
621 | break; | |
622 | case 1: | |
623 | val = val | (data->temp_hyst[2] << 4); | |
624 | break; | |
625 | case 2: | |
626 | val = data->temp_hyst[1] | (val << 4); | |
627 | break; | |
628 | } | |
629 | ||
630 | f71882fg_write8(data, nr ? F71882FG_REG_TEMP_HYST23 : | |
631 | F71882FG_REG_TEMP_HYST1, val); | |
632 | ||
633 | store_temp_max_hyst_exit: | |
634 | mutex_unlock(&data->update_lock); | |
635 | return ret; | |
636 | } | |
637 | ||
638 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute | |
639 | *devattr, char *buf) | |
640 | { | |
641 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 642 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
643 | |
644 | return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000); | |
645 | } | |
646 | ||
647 | static ssize_t store_temp_crit(struct device *dev, struct device_attribute | |
648 | *devattr, const char *buf, size_t count) | |
649 | { | |
650 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 651 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
652 | int val = simple_strtoul(buf, NULL, 10) / 1000; |
653 | ||
654 | if (val > 255) | |
655 | val = 255; | |
656 | ||
657 | mutex_lock(&data->update_lock); | |
658 | f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val); | |
659 | data->temp_ovt[nr] = val; | |
660 | mutex_unlock(&data->update_lock); | |
661 | ||
662 | return count; | |
663 | } | |
664 | ||
665 | static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute | |
666 | *devattr, char *buf) | |
667 | { | |
668 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 669 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
670 | |
671 | return sprintf(buf, "%d\n", | |
672 | (data->temp_ovt[nr] - data->temp_hyst[nr]) * 1000); | |
673 | } | |
674 | ||
675 | static ssize_t show_temp_type(struct device *dev, struct device_attribute | |
676 | *devattr, char *buf) | |
677 | { | |
678 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 679 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
680 | |
681 | return sprintf(buf, "%d\n", data->temp_type[nr]); | |
682 | } | |
683 | ||
684 | static ssize_t show_temp_beep(struct device *dev, struct device_attribute | |
685 | *devattr, char *buf) | |
686 | { | |
687 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 688 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
689 | |
690 | if (data->temp_beep & (1 << (nr + 1))) | |
691 | return sprintf(buf, "1\n"); | |
692 | else | |
693 | return sprintf(buf, "0\n"); | |
694 | } | |
695 | ||
696 | static ssize_t store_temp_beep(struct device *dev, struct device_attribute | |
697 | *devattr, const char *buf, size_t count) | |
698 | { | |
699 | struct f71882fg_data *data = dev_get_drvdata(dev); | |
bc37ae71 | 700 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
701 | int val = simple_strtoul(buf, NULL, 10); |
702 | ||
703 | mutex_lock(&data->update_lock); | |
704 | if (val) | |
705 | data->temp_beep |= 1 << (nr + 1); | |
706 | else | |
707 | data->temp_beep &= ~(1 << (nr + 1)); | |
708 | ||
709 | f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep); | |
710 | mutex_unlock(&data->update_lock); | |
711 | ||
712 | return count; | |
713 | } | |
714 | ||
715 | static ssize_t show_temp_alarm(struct device *dev, struct device_attribute | |
716 | *devattr, char *buf) | |
717 | { | |
718 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 719 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
720 | |
721 | if (data->temp_status & (1 << (nr + 1))) | |
722 | return sprintf(buf, "1\n"); | |
723 | else | |
724 | return sprintf(buf, "0\n"); | |
725 | } | |
726 | ||
727 | static ssize_t show_temp_fault(struct device *dev, struct device_attribute | |
728 | *devattr, char *buf) | |
729 | { | |
730 | struct f71882fg_data *data = f71882fg_update_device(dev); | |
bc37ae71 | 731 | int nr = to_sensor_dev_attr_2(devattr)->index; |
45fb3669 HG |
732 | |
733 | if (data->temp_diode_open & (1 << (nr + 1))) | |
734 | return sprintf(buf, "1\n"); | |
735 | else | |
736 | return sprintf(buf, "0\n"); | |
737 | } | |
738 | ||
739 | static ssize_t show_name(struct device *dev, struct device_attribute *devattr, | |
740 | char *buf) | |
741 | { | |
742 | return sprintf(buf, DRVNAME "\n"); | |
743 | } | |
744 | ||
745 | ||
746 | static int __devinit f71882fg_probe(struct platform_device * pdev) | |
747 | { | |
748 | struct f71882fg_data *data; | |
749 | int err, i; | |
750 | u8 start_reg; | |
751 | ||
8afb1049 | 752 | if (!(data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL))) |
45fb3669 HG |
753 | return -ENOMEM; |
754 | ||
755 | data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; | |
756 | mutex_init(&data->update_lock); | |
757 | platform_set_drvdata(pdev, data); | |
758 | ||
759 | /* Register sysfs interface files */ | |
760 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) { | |
761 | err = device_create_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
762 | if (err) | |
763 | goto exit_unregister_sysfs; | |
764 | } | |
765 | ||
766 | start_reg = f71882fg_read8(data, F71882FG_REG_START); | |
767 | if (start_reg & 0x01) { | |
768 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) { | |
769 | err = device_create_file(&pdev->dev, | |
770 | &f71882fg_in_temp_attr[i].dev_attr); | |
771 | if (err) | |
772 | goto exit_unregister_sysfs; | |
773 | } | |
774 | } | |
775 | ||
776 | if (start_reg & 0x02) { | |
777 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) { | |
778 | err = device_create_file(&pdev->dev, | |
779 | &f71882fg_fan_attr[i].dev_attr); | |
780 | if (err) | |
781 | goto exit_unregister_sysfs; | |
782 | } | |
783 | } | |
784 | ||
1beeffe4 TJ |
785 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
786 | if (IS_ERR(data->hwmon_dev)) { | |
787 | err = PTR_ERR(data->hwmon_dev); | |
45fb3669 HG |
788 | goto exit_unregister_sysfs; |
789 | } | |
790 | ||
791 | return 0; | |
792 | ||
793 | exit_unregister_sysfs: | |
794 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) | |
795 | device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
796 | ||
797 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) | |
798 | device_remove_file(&pdev->dev, | |
799 | &f71882fg_in_temp_attr[i].dev_attr); | |
800 | ||
801 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) | |
802 | device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr); | |
803 | ||
804 | kfree(data); | |
805 | ||
806 | return err; | |
807 | } | |
808 | ||
809 | static int __devexit f71882fg_remove(struct platform_device *pdev) | |
810 | { | |
811 | int i; | |
812 | struct f71882fg_data *data = platform_get_drvdata(pdev); | |
813 | ||
814 | platform_set_drvdata(pdev, NULL); | |
1beeffe4 | 815 | hwmon_device_unregister(data->hwmon_dev); |
45fb3669 HG |
816 | |
817 | for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) | |
818 | device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]); | |
819 | ||
820 | for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) | |
821 | device_remove_file(&pdev->dev, | |
822 | &f71882fg_in_temp_attr[i].dev_attr); | |
823 | ||
824 | for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) | |
825 | device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr); | |
826 | ||
827 | kfree(data); | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | static int __init f71882fg_find(int sioaddr, unsigned short *address) | |
833 | { | |
834 | int err = -ENODEV; | |
835 | u16 devid; | |
836 | u8 start_reg; | |
837 | struct f71882fg_data data; | |
838 | ||
839 | superio_enter(sioaddr); | |
840 | ||
841 | devid = superio_inw(sioaddr, SIO_REG_MANID); | |
842 | if (devid != SIO_FINTEK_ID) { | |
843 | printk(KERN_INFO DRVNAME ": Not a Fintek device\n"); | |
844 | goto exit; | |
845 | } | |
846 | ||
67b671bc | 847 | devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID); |
45fb3669 HG |
848 | if (devid != SIO_F71882_ID) { |
849 | printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n"); | |
850 | goto exit; | |
851 | } | |
852 | ||
853 | superio_select(sioaddr, SIO_F71882FG_LD_HWM); | |
8afb1049 | 854 | if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { |
45fb3669 HG |
855 | printk(KERN_WARNING DRVNAME ": Device not activated\n"); |
856 | goto exit; | |
857 | } | |
858 | ||
859 | *address = superio_inw(sioaddr, SIO_REG_ADDR); | |
860 | if (*address == 0) | |
861 | { | |
862 | printk(KERN_WARNING DRVNAME ": Base address not set\n"); | |
863 | goto exit; | |
864 | } | |
865 | *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ | |
866 | ||
867 | data.addr = *address; | |
868 | start_reg = f71882fg_read8(&data, F71882FG_REG_START); | |
869 | if (!(start_reg & 0x03)) { | |
870 | printk(KERN_WARNING DRVNAME | |
871 | ": Hardware monitoring not activated\n"); | |
872 | goto exit; | |
873 | } | |
874 | ||
875 | err = 0; | |
876 | printk(KERN_INFO DRVNAME ": Found F71882FG chip at %#x, revision %d\n", | |
877 | (unsigned int)*address, | |
878 | (int)superio_inb(sioaddr, SIO_REG_DEVREV)); | |
879 | exit: | |
880 | superio_exit(sioaddr); | |
881 | return err; | |
882 | } | |
883 | ||
884 | static int __init f71882fg_device_add(unsigned short address) | |
885 | { | |
886 | struct resource res = { | |
887 | .start = address, | |
888 | .end = address + REGION_LENGTH - 1, | |
889 | .flags = IORESOURCE_IO, | |
890 | }; | |
891 | int err; | |
892 | ||
893 | f71882fg_pdev = platform_device_alloc(DRVNAME, address); | |
8afb1049 | 894 | if (!f71882fg_pdev) |
45fb3669 HG |
895 | return -ENOMEM; |
896 | ||
897 | res.name = f71882fg_pdev->name; | |
898 | err = platform_device_add_resources(f71882fg_pdev, &res, 1); | |
8afb1049 | 899 | if (err) { |
45fb3669 HG |
900 | printk(KERN_ERR DRVNAME ": Device resource addition failed\n"); |
901 | goto exit_device_put; | |
902 | } | |
903 | ||
904 | err = platform_device_add(f71882fg_pdev); | |
8afb1049 | 905 | if (err) { |
45fb3669 HG |
906 | printk(KERN_ERR DRVNAME ": Device addition failed\n"); |
907 | goto exit_device_put; | |
908 | } | |
909 | ||
910 | return 0; | |
911 | ||
912 | exit_device_put: | |
913 | platform_device_put(f71882fg_pdev); | |
914 | ||
915 | return err; | |
916 | } | |
917 | ||
918 | static int __init f71882fg_init(void) | |
919 | { | |
920 | int err = -ENODEV; | |
921 | unsigned short address; | |
922 | ||
923 | if (f71882fg_find(0x2e, &address) && f71882fg_find(0x4e, &address)) | |
924 | goto exit; | |
925 | ||
926 | if ((err = platform_driver_register(&f71882fg_driver))) | |
927 | goto exit; | |
928 | ||
929 | if ((err = f71882fg_device_add(address))) | |
930 | goto exit_driver; | |
931 | ||
932 | return 0; | |
933 | ||
934 | exit_driver: | |
935 | platform_driver_unregister(&f71882fg_driver); | |
936 | exit: | |
937 | return err; | |
938 | } | |
939 | ||
940 | static void __exit f71882fg_exit(void) | |
941 | { | |
942 | platform_device_unregister(f71882fg_pdev); | |
943 | platform_driver_unregister(&f71882fg_driver); | |
944 | } | |
945 | ||
946 | MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver"); | |
947 | MODULE_AUTHOR("Hans Edgington (hans@edgington.nl)"); | |
948 | MODULE_LICENSE("GPL"); | |
949 | ||
950 | module_init(f71882fg_init); | |
951 | module_exit(f71882fg_exit); |