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hwmon: (f71882fg) Add PWM support
[deliverable/linux.git] / drivers / hwmon / f71882fg.c
CommitLineData
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>
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HG		 31
32#define DRVNAME "f71882fg"
33
77a4a3e2 34#define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */
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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)))
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MD		 60#define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr)))
61#define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr)))
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HG		 62#define F71882FG_REG_FAN_STATUS 0x92
63#define F71882FG_REG_FAN_BEEP 0x93
64
65#define F71882FG_REG_TEMP(nr) (0x72 + 2 * (nr))
66#define F71882FG_REG_TEMP_OVT(nr) (0x82 + 2 * (nr))
67#define F71882FG_REG_TEMP_HIGH(nr) (0x83 + 2 * (nr))
68#define F71882FG_REG_TEMP_STATUS 0x62
69#define F71882FG_REG_TEMP_BEEP 0x63
70#define F71882FG_REG_TEMP_HYST1 0x6C
71#define F71882FG_REG_TEMP_HYST23 0x6D
72#define F71882FG_REG_TEMP_TYPE 0x6B
73#define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
74
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MD		 75#define F71882FG_REG_PWM(nr) (0xA3 + (16 * (nr)))
76#define F71882FG_REG_PWM_TYPE 0x94
77#define F71882FG_REG_PWM_ENABLE 0x96
78
79#define F71882FG_REG_FAN_HYST0 0x98
80#define F71882FG_REG_FAN_HYST1 0x99
81
82#define F71882FG_REG_POINT_PWM(pwm, point) (0xAA + (point) + (16 * (pwm)))
83#define F71882FG_REG_POINT_TEMP(pwm, point) (0xA6 + (point) + (16 * (pwm)))
84#define F71882FG_REG_POINT_MAPPING(nr) (0xAF + 16 * (nr))
85
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HG		 86#define F71882FG_REG_START 0x01
87
88#define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */
89
67b671bc
JD		 90static unsigned short force_id;
91module_param(force_id, ushort, 0);
92MODULE_PARM_DESC(force_id, "Override the detected device ID");
93
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MD		 94static int fan_mode[4] = { 0, 0, 0, 0 };
95module_param_array(fan_mode, int, NULL, 0644);
96MODULE_PARM_DESC(fan_mode, "List of fan control modes (f71882fg only) "
97 "(0=don't change, 1=pwm, 2=rpm)\n"
98 "Note: this needs a write to pwm#_enable to take effect");
99
77a4a3e2 100static struct platform_device *f71882fg_pdev;
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HG		 101
102/* Super-I/O Function prototypes */
103static inline int superio_inb(int base, int reg);
104static inline int superio_inw(int base, int reg);
105static inline void superio_enter(int base);
106static inline void superio_select(int base, int ld);
107static inline void superio_exit(int base);
108
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HG		 109struct f71882fg_data {
110 unsigned short addr;
1beeffe4 111 struct device *hwmon_dev;
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HG		 112
113 struct mutex update_lock;
114 char valid; /* !=0 if following fields are valid */
115 unsigned long last_updated; /* In jiffies */
116 unsigned long last_limits; /* In jiffies */
117
118 /* Register Values */
119 u8 in[9];
120 u8 in1_max;
121 u8 in_status;
122 u8 in_beep;
123 u16 fan[4];
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MD		 124 u16 fan_target[4];
125 u16 fan_full_speed[4];
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HG		 126 u8 fan_status;
127 u8 fan_beep;
128 u8 temp[3];
129 u8 temp_ovt[3];
130 u8 temp_high[3];
131 u8 temp_hyst[3];
132 u8 temp_type[3];
133 u8 temp_status;
134 u8 temp_beep;
135 u8 temp_diode_open;
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MD		 136 u8 pwm[4];
137 u8 pwm_enable;
138 u8 pwm_auto_point_hyst[2];
139 u8 pwm_auto_point_mapping[4];
140 u8 pwm_auto_point_pwm[4][5];
141 u8 pwm_auto_point_temp[4][4];
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HG		 142};
143
77a4a3e2 144/* Sysfs in */
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HG		 145static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
146 char *buf);
147static ssize_t show_in_max(struct device *dev, struct device_attribute
148 *devattr, char *buf);
149static ssize_t store_in_max(struct device *dev, struct device_attribute
150 *devattr, const char *buf, size_t count);
151static ssize_t show_in_beep(struct device *dev, struct device_attribute
152 *devattr, char *buf);
153static ssize_t store_in_beep(struct device *dev, struct device_attribute
154 *devattr, const char *buf, size_t count);
155static ssize_t show_in_alarm(struct device *dev, struct device_attribute
156 *devattr, char *buf);
157/* Sysfs Fan */
158static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
159 char *buf);
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MD		 160static ssize_t show_fan_full_speed(struct device *dev,
161 struct device_attribute *devattr, char *buf);
162static ssize_t store_fan_full_speed(struct device *dev,
163 struct device_attribute *devattr, const char *buf, size_t count);
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HG		 164static ssize_t show_fan_beep(struct device *dev, struct device_attribute
165 *devattr, char *buf);
166static ssize_t store_fan_beep(struct device *dev, struct device_attribute
167 *devattr, const char *buf, size_t count);
168static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
169 *devattr, char *buf);
170/* Sysfs Temp */
171static ssize_t show_temp(struct device *dev, struct device_attribute
172 *devattr, char *buf);
173static ssize_t show_temp_max(struct device *dev, struct device_attribute
174 *devattr, char *buf);
175static ssize_t store_temp_max(struct device *dev, struct device_attribute
176 *devattr, const char *buf, size_t count);
177static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
178 *devattr, char *buf);
179static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
180 *devattr, const char *buf, size_t count);
181static ssize_t show_temp_crit(struct device *dev, struct device_attribute
182 *devattr, char *buf);
183static ssize_t store_temp_crit(struct device *dev, struct device_attribute
184 *devattr, const char *buf, size_t count);
185static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
186 *devattr, char *buf);
187static ssize_t show_temp_type(struct device *dev, struct device_attribute
188 *devattr, char *buf);
189static ssize_t show_temp_beep(struct device *dev, struct device_attribute
190 *devattr, char *buf);
191static ssize_t store_temp_beep(struct device *dev, struct device_attribute
192 *devattr, const char *buf, size_t count);
193static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
194 *devattr, char *buf);
195static ssize_t show_temp_fault(struct device *dev, struct device_attribute
196 *devattr, char *buf);
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MD		 197/* PWM and Auto point control */
198static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
199 char *buf);
200static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
201 const char *buf, size_t count);
202static ssize_t show_pwm_enable(struct device *dev,
203 struct device_attribute *devattr, char *buf);
204static ssize_t store_pwm_enable(struct device *dev,
205 struct device_attribute *devattr, const char *buf, size_t count);
206static ssize_t show_pwm_interpolate(struct device *dev,
207 struct device_attribute *devattr, char *buf);
208static ssize_t store_pwm_interpolate(struct device *dev,
209 struct device_attribute *devattr, const char *buf, size_t count);
210static ssize_t show_pwm_auto_point_channel(struct device *dev,
211 struct device_attribute *devattr, char *buf);
212static ssize_t store_pwm_auto_point_channel(struct device *dev,
213 struct device_attribute *devattr, const char *buf, size_t count);
214static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
215 struct device_attribute *devattr, char *buf);
216static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
217 struct device_attribute *devattr, const char *buf, size_t count);
218static ssize_t show_pwm_auto_point_pwm(struct device *dev,
219 struct device_attribute *devattr, char *buf);
220static ssize_t store_pwm_auto_point_pwm(struct device *dev,
221 struct device_attribute *devattr, const char *buf, size_t count);
222static ssize_t show_pwm_auto_point_temp(struct device *dev,
223 struct device_attribute *devattr, char *buf);
224static ssize_t store_pwm_auto_point_temp(struct device *dev,
225 struct device_attribute *devattr, const char *buf, size_t count);
45fb3669
HG		 226/* Sysfs misc */
227static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
228 char *buf);
229
230static int __devinit f71882fg_probe(struct platform_device * pdev);
231static int __devexit f71882fg_remove(struct platform_device *pdev);
232static int __init f71882fg_init(void);
233static int __init f71882fg_find(int sioaddr, unsigned short *address);
234static int __init f71882fg_device_add(unsigned short address);
235static void __exit f71882fg_exit(void);
236
237static struct platform_driver f71882fg_driver = {
238 .driver = {
239 .owner = THIS_MODULE,
240 .name = DRVNAME,
241 },
242 .probe = f71882fg_probe,
243 .remove = __devexit_p(f71882fg_remove),
244};
245
246static struct device_attribute f71882fg_dev_attr[] =
247{
248 __ATTR( name, S_IRUGO, show_name, NULL ),
249};
250
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MD		 251static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
252 SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
253 SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
254 SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
255 0, 1),
256 SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
257 0, 1),
258 SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
259 SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
260 SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
261 SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
262 SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
263 SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
264 SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
265 SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
266 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
267 SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
268 store_temp_max, 0, 0),
269 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
270 store_temp_max_hyst, 0, 0),
271 SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
272 store_temp_crit, 0, 0),
273 SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
274 0, 0),
275 SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 0),
276 SENSOR_ATTR_2(temp1_beep, S_IRUGO|S_IWUSR, show_temp_beep,
277 store_temp_beep, 0, 0),
278 SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
279 SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
280 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
281 SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
282 store_temp_max, 0, 1),
283 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
284 store_temp_max_hyst, 0, 1),
285 SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
286 store_temp_crit, 0, 1),
287 SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
288 0, 1),
289 SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 1),
290 SENSOR_ATTR_2(temp2_beep, S_IRUGO|S_IWUSR, show_temp_beep,
291 store_temp_beep, 0, 1),
292 SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
293 SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
294 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
295 SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
296 store_temp_max, 0, 2),
297 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
298 store_temp_max_hyst, 0, 2),
299 SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
300 store_temp_crit, 0, 2),
301 SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
302 0, 2),
303 SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 2),
304 SENSOR_ATTR_2(temp3_beep, S_IRUGO|S_IWUSR, show_temp_beep,
305 store_temp_beep, 0, 2),
306 SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
307 SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
45fb3669
HG		 308};
309
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MD		 310static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
311 SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
9ab796eb
MD		 312 SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
313 show_fan_full_speed,
314 store_fan_full_speed, 0, 0),
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MD		 315 SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
316 store_fan_beep, 0, 0),
317 SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
318 SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
9ab796eb
MD		 319 SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
320 show_fan_full_speed,
321 store_fan_full_speed, 0, 1),
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MD		 322 SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
323 store_fan_beep, 0, 1),
324 SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
325 SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
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MD		 326 SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
327 show_fan_full_speed,
328 store_fan_full_speed, 0, 2),
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MD		 329 SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
330 store_fan_beep, 0, 2),
331 SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
332 SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
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MD		 333 SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
334 show_fan_full_speed,
335 store_fan_full_speed, 0, 3),
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MD		 336 SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
337 store_fan_beep, 0, 3),
338 SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
9ab796eb
MD		 339
340 SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
341 SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
342 store_pwm_enable, 0, 0),
343 SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
344 show_pwm_interpolate, store_pwm_interpolate, 0, 0),
345 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
346 show_pwm_auto_point_channel,
347 store_pwm_auto_point_channel, 0, 0),
348 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
349 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
350 0, 0),
351 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
352 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
353 1, 0),
354 SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
355 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
356 2, 0),
357 SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
358 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
359 3, 0),
360 SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
361 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
362 4, 0),
363 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
364 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
365 0, 0),
366 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
367 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
368 1, 0),
369 SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
370 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
371 2, 0),
372 SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
373 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
374 3, 0),
375 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
376 show_pwm_auto_point_temp_hyst,
377 store_pwm_auto_point_temp_hyst,
378 0, 0),
379 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
380 show_pwm_auto_point_temp_hyst, NULL, 1, 0),
381 SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
382 show_pwm_auto_point_temp_hyst, NULL, 2, 0),
383 SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
384 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
385
386 SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
387 SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
388 store_pwm_enable, 0, 1),
389 SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
390 show_pwm_interpolate, store_pwm_interpolate, 0, 1),
391 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
392 show_pwm_auto_point_channel,
393 store_pwm_auto_point_channel, 0, 1),
394 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
395 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
396 0, 1),
397 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
398 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
399 1, 1),
400 SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
401 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
402 2, 1),
403 SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
404 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
405 3, 1),
406 SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
407 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
408 4, 1),
409 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
410 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
411 0, 1),
412 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
413 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
414 1, 1),
415 SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
416 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
417 2, 1),
418 SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
419 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
420 3, 1),
421 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
422 show_pwm_auto_point_temp_hyst,
423 store_pwm_auto_point_temp_hyst,
424 0, 1),
425 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
426 show_pwm_auto_point_temp_hyst, NULL, 1, 1),
427 SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
428 show_pwm_auto_point_temp_hyst, NULL, 2, 1),
429 SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
430 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
431
432 SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
433 SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
434 store_pwm_enable, 0, 2),
435 SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
436 show_pwm_interpolate, store_pwm_interpolate, 0, 2),
437 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
438 show_pwm_auto_point_channel,
439 store_pwm_auto_point_channel, 0, 2),
440 SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
441 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
442 0, 2),
443 SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
444 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
445 1, 2),
446 SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
447 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
448 2, 2),
449 SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
450 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
451 3, 2),
452 SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
453 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
454 4, 2),
455 SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
456 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
457 0, 2),
458 SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
459 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
460 1, 2),
461 SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
462 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
463 2, 2),
464 SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
465 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
466 3, 2),
467 SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
468 show_pwm_auto_point_temp_hyst,
469 store_pwm_auto_point_temp_hyst,
470 0, 2),
471 SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
472 show_pwm_auto_point_temp_hyst, NULL, 1, 2),
473 SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
474 show_pwm_auto_point_temp_hyst, NULL, 2, 2),
475 SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
476 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
477
478 SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
479 SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
480 store_pwm_enable, 0, 3),
481 SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
482 show_pwm_interpolate, store_pwm_interpolate, 0, 3),
483 SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
484 show_pwm_auto_point_channel,
485 store_pwm_auto_point_channel, 0, 3),
486 SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
487 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
488 0, 3),
489 SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
490 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
491 1, 3),
492 SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
493 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
494 2, 3),
495 SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
496 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
497 3, 3),
498 SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
499 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
500 4, 3),
501 SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
502 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
503 0, 3),
504 SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
505 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
506 1, 3),
507 SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
508 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
509 2, 3),
510 SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
511 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
512 3, 3),
513 SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
514 show_pwm_auto_point_temp_hyst,
515 store_pwm_auto_point_temp_hyst,
516 0, 3),
517 SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
518 show_pwm_auto_point_temp_hyst, NULL, 1, 3),
519 SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
520 show_pwm_auto_point_temp_hyst, NULL, 2, 3),
521 SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
522 show_pwm_auto_point_temp_hyst, NULL, 3, 3),
45fb3669
HG		 523};
524
525
526/* Super I/O functions */
527static inline int superio_inb(int base, int reg)
528{
529 outb(reg, base);
530 return inb(base + 1);
531}
532
533static int superio_inw(int base, int reg)
534{
535 int val;
536 outb(reg++, base);
537 val = inb(base + 1) << 8;
538 outb(reg, base);
539 val |= inb(base + 1);
540 return val;
541}
542
543static inline void superio_enter(int base)
544{
545 /* according to the datasheet the key must be send twice! */
546 outb( SIO_UNLOCK_KEY, base);
547 outb( SIO_UNLOCK_KEY, base);
548}
549
550static inline void superio_select( int base, int ld)
551{
552 outb(SIO_REG_LDSEL, base);
553 outb(ld, base + 1);
554}
555
556static inline void superio_exit(int base)
557{
558 outb(SIO_LOCK_KEY, base);
559}
560
561static inline u16 fan_from_reg(u16 reg)
562{
563 return reg ? (1500000 / reg) : 0;
564}
565
9ab796eb
MD		 566static inline u16 fan_to_reg(u16 fan)
567{
568 return fan ? (1500000 / fan) : 0;
569}
570
45fb3669
HG		 571static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
572{
573 u8 val;
574
575 outb(reg, data->addr + ADDR_REG_OFFSET);
576 val = inb(data->addr + DATA_REG_OFFSET);
577
578 return val;
579}
580
581static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
582{
583 u16 val;
584
585 outb(reg++, data->addr + ADDR_REG_OFFSET);
586 val = inb(data->addr + DATA_REG_OFFSET) << 8;
587 outb(reg, data->addr + ADDR_REG_OFFSET);
588 val |= inb(data->addr + DATA_REG_OFFSET);
589
590 return val;
591}
592
593static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
594{
595 outb(reg, data->addr + ADDR_REG_OFFSET);
596 outb(val, data->addr + DATA_REG_OFFSET);
597}
598
9ab796eb
MD		 599static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
600{
601 outb(reg++, data->addr + ADDR_REG_OFFSET);
602 outb(val >> 8, data->addr + DATA_REG_OFFSET);
603 outb(reg, data->addr + ADDR_REG_OFFSET);
604 outb(val & 255, data->addr + DATA_REG_OFFSET);
605}
606
77a4a3e2 607static struct f71882fg_data *f71882fg_update_device(struct device *dev)
45fb3669
HG		 608{
609 struct f71882fg_data *data = dev_get_drvdata(dev);
610 int nr, reg, reg2;
611
612 mutex_lock(&data->update_lock);
613
614 /* Update once every 60 seconds */
615 if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
616 !data->valid) {
617 data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
618 data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
619
620 /* Get High & boundary temps*/
621 for (nr = 0; nr < 3; nr++) {
622 data->temp_ovt[nr] = f71882fg_read8(data,
623 F71882FG_REG_TEMP_OVT(nr));
624 data->temp_high[nr] = f71882fg_read8(data,
625 F71882FG_REG_TEMP_HIGH(nr));
626 }
627
628 /* Have to hardcode hyst*/
629 data->temp_hyst[0] = f71882fg_read8(data,
630 F71882FG_REG_TEMP_HYST1) >> 4;
631 /* Hyst temps 2 & 3 stored in same register */
632 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23);
633 data->temp_hyst[1] = reg & 0x0F;
634 data->temp_hyst[2] = reg >> 4;
635
636 /* Have to hardcode type, because temp1 is special */
637 reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
638 reg2 = f71882fg_read8(data, F71882FG_REG_PECI);
639 if ((reg2 & 0x03) == 0x01)
640 data->temp_type[0] = 6 /* PECI */;
641 else if ((reg2 & 0x03) == 0x02)
642 data->temp_type[0] = 5 /* AMDSI */;
643 else
644 data->temp_type[0] = (reg & 0x02) ? 2 : 4;
645
646 data->temp_type[1] = (reg & 0x04) ? 2 : 4;
647 data->temp_type[2] = (reg & 0x08) ? 2 : 4;
648
649 data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
650
651 data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
652
9ab796eb
MD		 653 data->pwm_enable = f71882fg_read8(data,
654 F71882FG_REG_PWM_ENABLE);
655 data->pwm_auto_point_hyst[0] = f71882fg_read8(data,
656 F71882FG_REG_FAN_HYST0);
657 data->pwm_auto_point_hyst[1] = f71882fg_read8(data,
658 F71882FG_REG_FAN_HYST1);
659 for (nr = 0; nr < 4; nr++) {
660 int point;
661
662 data->pwm_auto_point_mapping[nr] =
663 f71882fg_read8(data,
664 F71882FG_REG_POINT_MAPPING(nr));
665
666 for (point = 0; point < 5; point++) {
667 data->pwm_auto_point_pwm[nr][point] =
668 f71882fg_read8(data,
669 F71882FG_REG_POINT_PWM
670 (nr, point));
671 }
672 for (point = 0; point < 4; point++) {
673 data->pwm_auto_point_temp[nr][point] =
674 f71882fg_read8(data,
675 F71882FG_REG_POINT_TEMP
676 (nr, point));
677 }
678 }
45fb3669
HG		 679 data->last_limits = jiffies;
680 }
681
682 /* Update every second */
8afb1049 683 if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
45fb3669
HG		 684 data->temp_status = f71882fg_read8(data,
685 F71882FG_REG_TEMP_STATUS);
686 data->temp_diode_open = f71882fg_read8(data,
687 F71882FG_REG_TEMP_DIODE_OPEN);
688 for (nr = 0; nr < 3; nr++)
689 data->temp[nr] = f71882fg_read8(data,
690 F71882FG_REG_TEMP(nr));
691
692 data->fan_status = f71882fg_read8(data,
693 F71882FG_REG_FAN_STATUS);
9ab796eb 694 for (nr = 0; nr < 4; nr++) {
45fb3669
HG		 695 data->fan[nr] = f71882fg_read16(data,
696 F71882FG_REG_FAN(nr));
9ab796eb
MD		 697 data->fan_target[nr] =
698 f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
699 data->fan_full_speed[nr] =
700 f71882fg_read16(data,
701 F71882FG_REG_FAN_FULL_SPEED(nr));
702 data->pwm[nr] =
703 f71882fg_read8(data, F71882FG_REG_PWM(nr));
704 }
45fb3669
HG		 705
706 data->in_status = f71882fg_read8(data,
707 F71882FG_REG_IN_STATUS);
708 for (nr = 0; nr < 9; nr++)
709 data->in[nr] = f71882fg_read8(data,
710 F71882FG_REG_IN(nr));
711
712 data->last_updated = jiffies;
713 data->valid = 1;
714 }
715
716 mutex_unlock(&data->update_lock);
717
718 return data;
719}
720
721/* Sysfs Interface */
722static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
723 char *buf)
724{
725 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 726 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 727 int speed = fan_from_reg(data->fan[nr]);
728
729 if (speed == FAN_MIN_DETECT)
730 speed = 0;
731
732 return sprintf(buf, "%d\n", speed);
733}
734
9ab796eb
MD		 735static ssize_t show_fan_full_speed(struct device *dev,
736 struct device_attribute *devattr, char *buf)
737{
738 struct f71882fg_data *data = f71882fg_update_device(dev);
739 int nr = to_sensor_dev_attr_2(devattr)->index;
740 int speed = fan_from_reg(data->fan_full_speed[nr]);
741 return sprintf(buf, "%d\n", speed);
742}
743
744static ssize_t store_fan_full_speed(struct device *dev,
745 struct device_attribute *devattr,
746 const char *buf, size_t count)
747{
748 struct f71882fg_data *data = dev_get_drvdata(dev);
749 int nr = to_sensor_dev_attr_2(devattr)->index;
750 long val = simple_strtol(buf, NULL, 10);
751
752 val = SENSORS_LIMIT(val, 23, 1500000);
753 val = fan_to_reg(val);
754
755 mutex_lock(&data->update_lock);
756 if (data->pwm_enable & (1 << (2 * nr)))
757 /* PWM mode */
758 count = -EINVAL;
759 else {
760 /* RPM mode */
761 f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
762 data->fan_full_speed[nr] = val;
763 }
764 mutex_unlock(&data->update_lock);
765
766 return count;
767}
768
45fb3669
HG		 769static ssize_t show_fan_beep(struct device *dev, struct device_attribute
770 *devattr, char *buf)
771{
772 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 773 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 774
775 if (data->fan_beep & (1 << nr))
776 return sprintf(buf, "1\n");
777 else
778 return sprintf(buf, "0\n");
779}
780
781static ssize_t store_fan_beep(struct device *dev, struct device_attribute
782 *devattr, const char *buf, size_t count)
783{
784 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 785 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 786 int val = simple_strtoul(buf, NULL, 10);
787
788 mutex_lock(&data->update_lock);
789 if (val)
790 data->fan_beep |= 1 << nr;
791 else
792 data->fan_beep &= ~(1 << nr);
793
794 f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
795 mutex_unlock(&data->update_lock);
796
797 return count;
798}
799
800static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
801 *devattr, char *buf)
802{
803 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 804 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 805
806 if (data->fan_status & (1 << nr))
807 return sprintf(buf, "1\n");
808 else
809 return sprintf(buf, "0\n");
810}
811
812static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
813 char *buf)
814{
815 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 816 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 817
818 return sprintf(buf, "%d\n", data->in[nr] * 8);
819}
820
821static ssize_t show_in_max(struct device *dev, struct device_attribute
822 *devattr, char *buf)
823{
824 struct f71882fg_data *data = f71882fg_update_device(dev);
825
826 return sprintf(buf, "%d\n", data->in1_max * 8);
827}
828
829static ssize_t store_in_max(struct device *dev, struct device_attribute
830 *devattr, const char *buf, size_t count)
831{
832 struct f71882fg_data *data = dev_get_drvdata(dev);
833 int val = simple_strtoul(buf, NULL, 10) / 8;
834
835 if (val > 255)
836 val = 255;
837
838 mutex_lock(&data->update_lock);
839 f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
840 data->in1_max = val;
841 mutex_unlock(&data->update_lock);
842
843 return count;
844}
845
846static ssize_t show_in_beep(struct device *dev, struct device_attribute
847 *devattr, char *buf)
848{
849 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 850 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 851
852 if (data->in_beep & (1 << nr))
853 return sprintf(buf, "1\n");
854 else
855 return sprintf(buf, "0\n");
856}
857
858static ssize_t store_in_beep(struct device *dev, struct device_attribute
859 *devattr, const char *buf, size_t count)
860{
861 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 862 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 863 int val = simple_strtoul(buf, NULL, 10);
864
865 mutex_lock(&data->update_lock);
866 if (val)
867 data->in_beep |= 1 << nr;
868 else
869 data->in_beep &= ~(1 << nr);
870
871 f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
872 mutex_unlock(&data->update_lock);
873
874 return count;
875}
876
877static ssize_t show_in_alarm(struct device *dev, struct device_attribute
878 *devattr, char *buf)
879{
880 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 881 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 882
883 if (data->in_status & (1 << nr))
884 return sprintf(buf, "1\n");
885 else
886 return sprintf(buf, "0\n");
887}
888
889static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
890 char *buf)
891{
892 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 893 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 894
895 return sprintf(buf, "%d\n", data->temp[nr] * 1000);
896}
897
898static ssize_t show_temp_max(struct device *dev, struct device_attribute
899 *devattr, char *buf)
900{
901 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 902 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 903
904 return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
905}
906
907static ssize_t store_temp_max(struct device *dev, struct device_attribute
908 *devattr, const char *buf, size_t count)
909{
910 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 911 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 912 int val = simple_strtoul(buf, NULL, 10) / 1000;
913
914 if (val > 255)
915 val = 255;
916
917 mutex_lock(&data->update_lock);
918 f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
919 data->temp_high[nr] = val;
920 mutex_unlock(&data->update_lock);
921
922 return count;
923}
924
925static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
926 *devattr, char *buf)
927{
928 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 929 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 930
931 return sprintf(buf, "%d\n",
932 (data->temp_high[nr] - data->temp_hyst[nr]) * 1000);
933}
934
935static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
936 *devattr, const char *buf, size_t count)
937{
938 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 939 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 940 int val = simple_strtoul(buf, NULL, 10) / 1000;
941 ssize_t ret = count;
942
943 mutex_lock(&data->update_lock);
944
945 /* convert abs to relative and check */
946 val = data->temp_high[nr] - val;
947 if (val < 0 || val > 15) {
948 ret = -EINVAL;
949 goto store_temp_max_hyst_exit;
950 }
951
952 data->temp_hyst[nr] = val;
953
954 /* convert value to register contents */
8afb1049 955 switch (nr) {
45fb3669
HG		 956 case 0:
957 val = val << 4;
958 break;
959 case 1:
960 val = val | (data->temp_hyst[2] << 4);
961 break;
962 case 2:
963 val = data->temp_hyst[1] | (val << 4);
964 break;
965 }
966
967 f71882fg_write8(data, nr ? F71882FG_REG_TEMP_HYST23 :
968 F71882FG_REG_TEMP_HYST1, val);
969
970store_temp_max_hyst_exit:
971 mutex_unlock(&data->update_lock);
972 return ret;
973}
974
975static ssize_t show_temp_crit(struct device *dev, struct device_attribute
976 *devattr, char *buf)
977{
978 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 979 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 980
981 return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
982}
983
984static ssize_t store_temp_crit(struct device *dev, struct device_attribute
985 *devattr, const char *buf, size_t count)
986{
987 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 988 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 989 int val = simple_strtoul(buf, NULL, 10) / 1000;
990
991 if (val > 255)
992 val = 255;
993
994 mutex_lock(&data->update_lock);
995 f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
996 data->temp_ovt[nr] = val;
997 mutex_unlock(&data->update_lock);
998
999 return count;
1000}
1001
1002static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1003 *devattr, char *buf)
1004{
1005 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 1006 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1007
1008 return sprintf(buf, "%d\n",
1009 (data->temp_ovt[nr] - data->temp_hyst[nr]) * 1000);
1010}
1011
1012static ssize_t show_temp_type(struct device *dev, struct device_attribute
1013 *devattr, char *buf)
1014{
1015 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 1016 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1017
1018 return sprintf(buf, "%d\n", data->temp_type[nr]);
1019}
1020
1021static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1022 *devattr, char *buf)
1023{
1024 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 1025 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1026
1027 if (data->temp_beep & (1 << (nr + 1)))
1028 return sprintf(buf, "1\n");
1029 else
1030 return sprintf(buf, "0\n");
1031}
1032
1033static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1034 *devattr, const char *buf, size_t count)
1035{
1036 struct f71882fg_data *data = dev_get_drvdata(dev);
bc37ae71 1037 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1038 int val = simple_strtoul(buf, NULL, 10);
1039
1040 mutex_lock(&data->update_lock);
1041 if (val)
1042 data->temp_beep |= 1 << (nr + 1);
1043 else
1044 data->temp_beep &= ~(1 << (nr + 1));
1045
1046 f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1047 mutex_unlock(&data->update_lock);
1048
1049 return count;
1050}
1051
1052static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1053 *devattr, char *buf)
1054{
1055 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 1056 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1057
1058 if (data->temp_status & (1 << (nr + 1)))
1059 return sprintf(buf, "1\n");
1060 else
1061 return sprintf(buf, "0\n");
1062}
1063
1064static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1065 *devattr, char *buf)
1066{
1067 struct f71882fg_data *data = f71882fg_update_device(dev);
bc37ae71 1068 int nr = to_sensor_dev_attr_2(devattr)->index;
45fb3669
HG		 1069
1070 if (data->temp_diode_open & (1 << (nr + 1)))
1071 return sprintf(buf, "1\n");
1072 else
1073 return sprintf(buf, "0\n");
1074}
1075
9ab796eb
MD		 1076static ssize_t show_pwm(struct device *dev,
1077 struct device_attribute *devattr, char *buf)
1078{
1079 struct f71882fg_data *data = f71882fg_update_device(dev);
1080 int val, nr = to_sensor_dev_attr_2(devattr)->index;
1081 if (data->pwm_enable & (1 << (2 * nr)))
1082 /* PWM mode */
1083 val = data->pwm[nr];
1084 else {
1085 /* RPM mode */
1086 mutex_lock(&data->update_lock);
1087 val = 255 * fan_from_reg(data->fan_target[nr])
1088 / fan_from_reg(data->fan_full_speed[nr]);
1089 mutex_unlock(&data->update_lock);
1090 }
1091 return sprintf(buf, "%d\n", val);
1092}
1093
1094static ssize_t store_pwm(struct device *dev,
1095 struct device_attribute *devattr, const char *buf,
1096 size_t count)
1097{
1098 /* struct f71882fg_data *data = dev_get_drvdata(dev); */
1099 struct f71882fg_data *data = f71882fg_update_device(dev);
1100 int nr = to_sensor_dev_attr_2(devattr)->index;
1101 long val = simple_strtol(buf, NULL, 10);
1102 val = SENSORS_LIMIT(val, 0, 255);
1103
1104 mutex_lock(&data->update_lock);
1105 if (data->pwm_enable & (1 << (2 * nr))) {
1106 /* PWM mode */
1107 f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1108 data->pwm[nr] = val;
1109 } else {
1110 /* RPM mode */
1111 int target = val * fan_from_reg(data->fan_full_speed[nr]) / 255;
1112 f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr),
1113 fan_to_reg(target));
1114 data->fan_target[nr] = fan_to_reg(target);
1115 }
1116 mutex_unlock(&data->update_lock);
1117
1118 return count;
1119}
1120
1121static ssize_t show_pwm_enable(struct device *dev,
1122 struct device_attribute *devattr, char *buf)
1123{
1124 int result;
1125 struct f71882fg_data *data = f71882fg_update_device(dev);
1126 int nr = to_sensor_dev_attr_2(devattr)->index;
1127
1128 if (data->pwm_enable & (2 << (2 * nr)))
1129 result = 1;
1130 else
1131 result = 2;
1132
1133 return sprintf(buf, "%d\n", result);
1134}
1135
1136static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1137 *devattr, const char *buf, size_t count)
1138{
1139 struct f71882fg_data *data = dev_get_drvdata(dev);
1140 int nr = to_sensor_dev_attr_2(devattr)->index;
1141 long val = simple_strtol(buf, NULL, 10);
1142 if (val < 1 || val > 2)
1143 return -EINVAL;
1144
1145 mutex_lock(&data->update_lock);
1146 switch (val) {
1147 case 1:
1148 data->pwm_enable |= 2 << (2 * nr);
1149 break; /* Manual */
1150 case 2:
1151 data->pwm_enable &= ~(2 << (2 * nr));
1152 break; /* Temperature ctrl */
1153 }
1154 switch (fan_mode[nr]) {
1155 case 1:
1156 data->pwm_enable |= 1 << (2 * nr);
1157 break; /* Duty cycle mode */
1158 case 2:
1159 data->pwm_enable &= ~(1 << (2 * nr));
1160 break; /* RPM mode */
1161 }
1162 f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1163 mutex_unlock(&data->update_lock);
1164
1165 return count;
1166}
1167
1168static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1169 struct device_attribute *devattr,
1170 char *buf)
1171{
1172 int result;
1173 struct f71882fg_data *data = f71882fg_update_device(dev);
1174 int pwm = to_sensor_dev_attr_2(devattr)->index;
1175 int point = to_sensor_dev_attr_2(devattr)->nr;
1176
1177 if (data->pwm_enable & (1 << (2 * pwm))) {
1178 /* PWM mode */
1179 result = data->pwm_auto_point_pwm[pwm][point];
1180 } else {
1181 /* RPM mode */
1182 result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1183 }
1184
1185 return sprintf(buf, "%d\n", result);
1186}
1187
1188static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1189 struct device_attribute *devattr,
1190 const char *buf, size_t count)
1191{
1192 /* struct f71882fg_data *data = dev_get_drvdata(dev); */
1193 struct f71882fg_data *data = f71882fg_update_device(dev);
1194 int pwm = to_sensor_dev_attr_2(devattr)->index;
1195 int point = to_sensor_dev_attr_2(devattr)->nr;
1196 int val = simple_strtoul(buf, NULL, 10);
1197 val = SENSORS_LIMIT(val, 0, 255);
1198
1199 mutex_lock(&data->update_lock);
1200 if (data->pwm_enable & (1 << (2 * pwm))) {
1201 /* PWM mode */
1202 } else {
1203 /* RPM mode */
1204 if (val < 29) /* Prevent negative numbers */
1205 val = 255;
1206 else
1207 val = (255 - val) * 32 / val;
1208 }
1209 f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
1210 data->pwm_auto_point_pwm[pwm][point] = val;
1211 mutex_unlock(&data->update_lock);
1212
1213 return count;
1214}
1215
1216static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
1217 struct device_attribute *devattr,
1218 char *buf)
1219{
1220 int result = 0;
1221 struct f71882fg_data *data = f71882fg_update_device(dev);
1222 int nr = to_sensor_dev_attr_2(devattr)->index;
1223 int point = to_sensor_dev_attr_2(devattr)->nr;
1224
1225 mutex_lock(&data->update_lock);
1226 switch (nr) {
1227 case 0:
1228 result = data->pwm_auto_point_hyst[0] & 0x0f;
1229 break;
1230 case 1:
1231 result = data->pwm_auto_point_hyst[0] >> 4;
1232 break;
1233 case 2:
1234 result = data->pwm_auto_point_hyst[1] & 0x0f;
1235 break;
1236 case 3:
1237 result = data->pwm_auto_point_hyst[1] >> 4;
1238 break;
1239 }
1240 result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
1241 mutex_unlock(&data->update_lock);
1242
1243 return sprintf(buf, "%d\n", result);
1244}
1245
1246static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
1247 struct device_attribute *devattr,
1248 const char *buf, size_t count)
1249{
1250 struct f71882fg_data *data = f71882fg_update_device(dev);
1251 int nr = to_sensor_dev_attr_2(devattr)->index;
1252 int point = to_sensor_dev_attr_2(devattr)->nr;
1253 long val = simple_strtol(buf, NULL, 10) / 1000;
1254
1255 mutex_lock(&data->update_lock);
1256 val = SENSORS_LIMIT(val, data->pwm_auto_point_temp[nr][point] - 15,
1257 data->pwm_auto_point_temp[nr][point]);
1258 val = data->pwm_auto_point_temp[nr][point] - val;
1259
1260 switch (nr) {
1261 case 0:
1262 val = (data->pwm_auto_point_hyst[0] & 0xf0) | val;
1263 break;
1264 case 1:
1265 val = (data->pwm_auto_point_hyst[0] & 0x0f) | (val << 4);
1266 break;
1267 case 2:
1268 val = (data->pwm_auto_point_hyst[1] & 0xf0) | val;
1269 break;
1270 case 3:
1271 val = (data->pwm_auto_point_hyst[1] & 0x0f) | (val << 4);
1272 break;
1273 }
1274 if (nr == 0 || nr == 1) {
1275 f71882fg_write8(data, F71882FG_REG_FAN_HYST0, val);
1276 data->pwm_auto_point_hyst[0] = val;
1277 } else {
1278 f71882fg_write8(data, F71882FG_REG_FAN_HYST1, val);
1279 data->pwm_auto_point_hyst[1] = val;
1280 }
1281 mutex_unlock(&data->update_lock);
1282
1283 return count;
1284}
1285
1286static ssize_t show_pwm_interpolate(struct device *dev,
1287 struct device_attribute *devattr, char *buf)
1288{
1289 int result;
1290 struct f71882fg_data *data = f71882fg_update_device(dev);
1291 int nr = to_sensor_dev_attr_2(devattr)->index;
1292
1293 result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
1294
1295 return sprintf(buf, "%d\n", result);
1296}
1297
1298static ssize_t store_pwm_interpolate(struct device *dev,
1299 struct device_attribute *devattr,
1300 const char *buf, size_t count)
1301{
1302 /* struct f71882fg_data *data = dev_get_drvdata(dev); */
1303 struct f71882fg_data *data = f71882fg_update_device(dev);
1304 int nr = to_sensor_dev_attr_2(devattr)->index;
1305 int val = simple_strtoul(buf, NULL, 10);
1306 mutex_lock(&data->update_lock);
1307 if (val)
1308 val = data->pwm_auto_point_mapping[nr] | (1 << 4);
1309 else
1310 val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
1311 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1312 data->pwm_auto_point_mapping[nr] = val;
1313 mutex_unlock(&data->update_lock);
1314
1315 return count;
1316}
1317
1318static ssize_t show_pwm_auto_point_channel(struct device *dev,
1319 struct device_attribute *devattr,
1320 char *buf)
1321{
1322 int result;
1323 struct f71882fg_data *data = f71882fg_update_device(dev);
1324 int nr = to_sensor_dev_attr_2(devattr)->index;
1325
1326 result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) - 1);
1327
1328 return sprintf(buf, "%d\n", result);
1329}
1330
1331static ssize_t store_pwm_auto_point_channel(struct device *dev,
1332 struct device_attribute *devattr,
1333 const char *buf, size_t count)
1334{
1335 /* struct f71882fg_data *data = dev_get_drvdata(dev); */
1336 struct f71882fg_data *data = f71882fg_update_device(dev);
1337 int nr = to_sensor_dev_attr_2(devattr)->index;
1338 long val = simple_strtol(buf, NULL, 10);
1339 switch (val) {
1340 case 1:
1341 val = 1;
1342 break;
1343 case 2:
1344 val = 2;
1345 break;
1346 case 4:
1347 val = 3;
1348 break;
1349 default:
1350 return -EINVAL;
1351 }
1352 mutex_lock(&data->update_lock);
1353 val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
1354 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1355 data->pwm_auto_point_mapping[nr] = val;
1356 mutex_unlock(&data->update_lock);
1357
1358 return count;
1359}
1360
1361static ssize_t show_pwm_auto_point_temp(struct device *dev,
1362 struct device_attribute *devattr,
1363 char *buf)
1364{
1365 int result;
1366 struct f71882fg_data *data = f71882fg_update_device(dev);
1367 int pwm = to_sensor_dev_attr_2(devattr)->index;
1368 int point = to_sensor_dev_attr_2(devattr)->nr;
1369
1370 result = data->pwm_auto_point_temp[pwm][point];
1371 return sprintf(buf, "%d\n", 1000 * result);
1372}
1373
1374static ssize_t store_pwm_auto_point_temp(struct device *dev,
1375 struct device_attribute *devattr,
1376 const char *buf, size_t count)
1377{
1378 /* struct f71882fg_data *data = dev_get_drvdata(dev); */
1379 struct f71882fg_data *data = f71882fg_update_device(dev);
1380 int pwm = to_sensor_dev_attr_2(devattr)->index;
1381 int point = to_sensor_dev_attr_2(devattr)->nr;
1382 long val = simple_strtol(buf, NULL, 10) / 1000;
1383 val = SENSORS_LIMIT(val, 0, 255);
1384
1385 mutex_lock(&data->update_lock);
1386 f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
1387 data->pwm_auto_point_temp[pwm][point] = val;
1388 mutex_unlock(&data->update_lock);
1389
1390 return count;
1391}
1392
45fb3669
HG		 1393static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
1394 char *buf)
1395{
1396 return sprintf(buf, DRVNAME "\n");
1397}
1398
1399
1400static int __devinit f71882fg_probe(struct platform_device * pdev)
1401{
1402 struct f71882fg_data *data;
1403 int err, i;
1404 u8 start_reg;
1405
8afb1049 1406 if (!(data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL)))
45fb3669
HG		 1407 return -ENOMEM;
1408
1409 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
1410 mutex_init(&data->update_lock);
1411 platform_set_drvdata(pdev, data);
1412
1413 /* Register sysfs interface files */
1414 for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) {
1415 err = device_create_file(&pdev->dev, &f71882fg_dev_attr[i]);
1416 if (err)
1417 goto exit_unregister_sysfs;
1418 }
1419
1420 start_reg = f71882fg_read8(data, F71882FG_REG_START);
1421 if (start_reg & 0x01) {
1422 for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) {
1423 err = device_create_file(&pdev->dev,
1424 &f71882fg_in_temp_attr[i].dev_attr);
1425 if (err)
1426 goto exit_unregister_sysfs;
1427 }
1428 }
1429
1430 if (start_reg & 0x02) {
1431 for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) {
1432 err = device_create_file(&pdev->dev,
1433 &f71882fg_fan_attr[i].dev_attr);
1434 if (err)
1435 goto exit_unregister_sysfs;
1436 }
1437 }
1438
1beeffe4
TJ		 1439 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1440 if (IS_ERR(data->hwmon_dev)) {
1441 err = PTR_ERR(data->hwmon_dev);
45fb3669
HG		 1442 goto exit_unregister_sysfs;
1443 }
1444
1445 return 0;
1446
1447exit_unregister_sysfs:
1448 for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++)
1449 device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]);
1450
1451 for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
1452 device_remove_file(&pdev->dev,
1453 &f71882fg_in_temp_attr[i].dev_attr);
1454
1455 for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
1456 device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
1457
1458 kfree(data);
1459
1460 return err;
1461}
1462
1463static int __devexit f71882fg_remove(struct platform_device *pdev)
1464{
1465 int i;
1466 struct f71882fg_data *data = platform_get_drvdata(pdev);
1467
1468 platform_set_drvdata(pdev, NULL);
1beeffe4 1469 hwmon_device_unregister(data->hwmon_dev);
45fb3669
HG		 1470
1471 for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++)
1472 device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]);
1473
1474 for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
1475 device_remove_file(&pdev->dev,
1476 &f71882fg_in_temp_attr[i].dev_attr);
1477
1478 for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
1479 device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
1480
1481 kfree(data);
1482
1483 return 0;
1484}
1485
1486static int __init f71882fg_find(int sioaddr, unsigned short *address)
1487{
1488 int err = -ENODEV;
1489 u16 devid;
1490 u8 start_reg;
1491 struct f71882fg_data data;
1492
1493 superio_enter(sioaddr);
1494
1495 devid = superio_inw(sioaddr, SIO_REG_MANID);
1496 if (devid != SIO_FINTEK_ID) {
1497 printk(KERN_INFO DRVNAME ": Not a Fintek device\n");
1498 goto exit;
1499 }
1500
67b671bc 1501 devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
45fb3669
HG		 1502 if (devid != SIO_F71882_ID) {
1503 printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n");
1504 goto exit;
1505 }
1506
1507 superio_select(sioaddr, SIO_F71882FG_LD_HWM);
8afb1049 1508 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
45fb3669
HG		 1509 printk(KERN_WARNING DRVNAME ": Device not activated\n");
1510 goto exit;
1511 }
1512
1513 *address = superio_inw(sioaddr, SIO_REG_ADDR);
1514 if (*address == 0)
1515 {
1516 printk(KERN_WARNING DRVNAME ": Base address not set\n");
1517 goto exit;
1518 }
1519 *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
1520
1521 data.addr = *address;
1522 start_reg = f71882fg_read8(&data, F71882FG_REG_START);
1523 if (!(start_reg & 0x03)) {
1524 printk(KERN_WARNING DRVNAME
1525 ": Hardware monitoring not activated\n");
1526 goto exit;
1527 }
1528
1529 err = 0;
1530 printk(KERN_INFO DRVNAME ": Found F71882FG chip at %#x, revision %d\n",
1531 (unsigned int)*address,
1532 (int)superio_inb(sioaddr, SIO_REG_DEVREV));
1533exit:
1534 superio_exit(sioaddr);
1535 return err;
1536}
1537
1538static int __init f71882fg_device_add(unsigned short address)
1539{
1540 struct resource res = {
1541 .start = address,
1542 .end = address + REGION_LENGTH - 1,
1543 .flags = IORESOURCE_IO,
1544 };
1545 int err;
1546
1547 f71882fg_pdev = platform_device_alloc(DRVNAME, address);
8afb1049 1548 if (!f71882fg_pdev)
45fb3669
HG		 1549 return -ENOMEM;
1550
1551 res.name = f71882fg_pdev->name;
1552 err = platform_device_add_resources(f71882fg_pdev, &res, 1);
8afb1049 1553 if (err) {
45fb3669
HG		 1554 printk(KERN_ERR DRVNAME ": Device resource addition failed\n");
1555 goto exit_device_put;
1556 }
1557
1558 err = platform_device_add(f71882fg_pdev);
8afb1049 1559 if (err) {
45fb3669
HG		 1560 printk(KERN_ERR DRVNAME ": Device addition failed\n");
1561 goto exit_device_put;
1562 }
1563
1564 return 0;
1565
1566exit_device_put:
1567 platform_device_put(f71882fg_pdev);
1568
1569 return err;
1570}
1571
1572static int __init f71882fg_init(void)
1573{
1574 int err = -ENODEV;
1575 unsigned short address;
1576
1577 if (f71882fg_find(0x2e, &address) && f71882fg_find(0x4e, &address))
1578 goto exit;
1579
1580 if ((err = platform_driver_register(&f71882fg_driver)))
1581 goto exit;
1582
1583 if ((err = f71882fg_device_add(address)))
1584 goto exit_driver;
1585
1586 return 0;
1587
1588exit_driver:
1589 platform_driver_unregister(&f71882fg_driver);
1590exit:
1591 return err;
1592}
1593
1594static void __exit f71882fg_exit(void)
1595{
1596 platform_device_unregister(f71882fg_pdev);
1597 platform_driver_unregister(&f71882fg_driver);
1598}
1599
1600MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
1601MODULE_AUTHOR("Hans Edgington (hans@edgington.nl)");
1602MODULE_LICENSE("GPL");
1603
1604module_init(f71882fg_init);
1605module_exit(f71882fg_exit);
Linux kernel - Deliverables
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