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hwmon/pc87360 separate alarm files: add temp-min/max/crit/fault-alarms
[deliverable/linux.git] / drivers / hwmon / pc87360.c
CommitLineData
1da177e4
LT		 1/*
2 * pc87360.c - Part of lm_sensors, Linux kernel modules
3 * for hardware monitoring
f641b588 4 * Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org>
1da177e4
LT		 5 *
6 * Copied from smsc47m1.c:
7 * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 * Supports the following chips:
24 *
25 * Chip #vin #fan #pwm #temp devid
26 * PC87360 - 2 2 - 0xE1
27 * PC87363 - 2 2 - 0xE8
28 * PC87364 - 3 3 - 0xE4
29 * PC87365 11 3 3 2 0xE5
30 * PC87366 11 3 3 3-4 0xE9
31 *
32 * This driver assumes that no more than one chip is present, and one of
33 * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
34 */
35
1da177e4
LT		 36#include <linux/module.h>
37#include <linux/init.h>
38#include <linux/slab.h>
39#include <linux/jiffies.h>
f641b588 40#include <linux/platform_device.h>
943b0830 41#include <linux/hwmon.h>
f0986bd8 42#include <linux/hwmon-sysfs.h>
303760b4 43#include <linux/hwmon-vid.h>
943b0830 44#include <linux/err.h>
9a61bf63 45#include <linux/mutex.h>
1da177e4
LT		 46#include <asm/io.h>
47
1da177e4 48static u8 devid;
f641b588 49static struct platform_device *pdev;
2d8672c5 50static unsigned short extra_isa[3];
1da177e4
LT		 51static u8 confreg[4];
52
1da177e4
LT		 53static int init = 1;
54module_param(init, int, 0);
55MODULE_PARM_DESC(init,
56 "Chip initialization level:\n"
57 " 0: None\n"
58 "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
59 " 2: Forcibly enable all voltage and temperature channels, except in9\n"
60 " 3: Forcibly enable all voltage and temperature channels, including in9");
61
67b671bc
JD		 62static unsigned short force_id;
63module_param(force_id, ushort, 0);
64MODULE_PARM_DESC(force_id, "Override the detected device ID");
65
1da177e4
LT		 66/*
67 * Super-I/O registers and operations
68 */
69
70#define DEV 0x07 /* Register: Logical device select */
71#define DEVID 0x20 /* Register: Device ID */
72#define ACT 0x30 /* Register: Device activation */
73#define BASE 0x60 /* Register: Base address */
74
75#define FSCM 0x09 /* Logical device: fans */
76#define VLM 0x0d /* Logical device: voltages */
77#define TMS 0x0e /* Logical device: temperatures */
78static const u8 logdev[3] = { FSCM, VLM, TMS };
79
80#define LD_FAN 0
81#define LD_IN 1
82#define LD_TEMP 2
83
84static inline void superio_outb(int sioaddr, int reg, int val)
85{
86 outb(reg, sioaddr);
87 outb(val, sioaddr+1);
88}
89
90static inline int superio_inb(int sioaddr, int reg)
91{
92 outb(reg, sioaddr);
93 return inb(sioaddr+1);
94}
95
96static inline void superio_exit(int sioaddr)
97{
98 outb(0x02, sioaddr);
99 outb(0x02, sioaddr+1);
100}
101
102/*
103 * Logical devices
104 */
105
106#define PC87360_EXTENT 0x10
107#define PC87365_REG_BANK 0x09
108#define NO_BANK 0xff
109
110/*
111 * Fan registers and conversions
112 */
113
114/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
115#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
116#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
117#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
118#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
119#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
120
121#define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
122 480000 / ((val)*(div)))
123#define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
124 480000 / ((val)*(div)))
125#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
126#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
127
128#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
129#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
130#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
131
132#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
133static inline u8 PWM_TO_REG(int val, int inv)
134{
135 if (inv)
136 val = 255 - val;
137 if (val < 0)
138 return 0;
139 if (val > 255)
140 return 255;
141 return val;
142}
143
144/*
145 * Voltage registers and conversions
146 */
147
148#define PC87365_REG_IN_CONVRATE 0x07
149#define PC87365_REG_IN_CONFIG 0x08
150#define PC87365_REG_IN 0x0B
151#define PC87365_REG_IN_MIN 0x0D
152#define PC87365_REG_IN_MAX 0x0C
153#define PC87365_REG_IN_STATUS 0x0A
154#define PC87365_REG_IN_ALARMS1 0x00
155#define PC87365_REG_IN_ALARMS2 0x01
156#define PC87365_REG_VID 0x06
157
158#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
159#define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
160 (val)*256 >= (ref)*255 ? 255: \
161 ((val) * 256 + (ref)/2) / (ref))
162
163/*
164 * Temperature registers and conversions
165 */
166
167#define PC87365_REG_TEMP_CONFIG 0x08
168#define PC87365_REG_TEMP 0x0B
169#define PC87365_REG_TEMP_MIN 0x0D
170#define PC87365_REG_TEMP_MAX 0x0C
171#define PC87365_REG_TEMP_CRIT 0x0E
172#define PC87365_REG_TEMP_STATUS 0x0A
173#define PC87365_REG_TEMP_ALARMS 0x00
174
175#define TEMP_FROM_REG(val) ((val) * 1000)
176#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
177 (val) > 127000 ? 127 : \
178 (val) < 0 ? ((val) - 500) / 1000 : \
179 ((val) + 500) / 1000)
180
181/*
f641b588 182 * Device data
1da177e4
LT		 183 */
184
185struct pc87360_data {
f641b588 186 const char *name;
1beeffe4 187 struct device *hwmon_dev;
9a61bf63
IM		 188 struct mutex lock;
189 struct mutex update_lock;
1da177e4
LT		 190 char valid; /* !=0 if following fields are valid */
191 unsigned long last_updated; /* In jiffies */
192
193 int address[3];
194
195 u8 fannr, innr, tempnr;
196
197 u8 fan[3]; /* Register value */
198 u8 fan_min[3]; /* Register value */
199 u8 fan_status[3]; /* Register value */
200 u8 pwm[3]; /* Register value */
201 u16 fan_conf; /* Configuration register values, combined */
202
203 u16 in_vref; /* 1 mV/bit */
204 u8 in[14]; /* Register value */
205 u8 in_min[14]; /* Register value */
206 u8 in_max[14]; /* Register value */
207 u8 in_crit[3]; /* Register value */
208 u8 in_status[14]; /* Register value */
209 u16 in_alarms; /* Register values, combined, masked */
210 u8 vid_conf; /* Configuration register value */
211 u8 vrm;
212 u8 vid; /* Register value */
213
214 s8 temp[3]; /* Register value */
215 s8 temp_min[3]; /* Register value */
216 s8 temp_max[3]; /* Register value */
217 s8 temp_crit[3]; /* Register value */
218 u8 temp_status[3]; /* Register value */
219 u8 temp_alarms; /* Register value, masked */
220};
221
222/*
223 * Functions declaration
224 */
225
f641b588 226static int pc87360_probe(struct platform_device *pdev);
d0546128 227static int __devexit pc87360_remove(struct platform_device *pdev);
1da177e4
LT		 228
229static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
230 u8 reg);
231static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
232 u8 reg, u8 value);
f641b588
JD		 233static void pc87360_init_device(struct platform_device *pdev,
234 int use_thermistors);
1da177e4
LT		 235static struct pc87360_data *pc87360_update_device(struct device *dev);
236
237/*
f641b588 238 * Driver data
1da177e4
LT		 239 */
240
f641b588 241static struct platform_driver pc87360_driver = {
cdaf7934 242 .driver = {
87218842 243 .owner = THIS_MODULE,
cdaf7934
LR		 244 .name = "pc87360",
245 },
f641b588
JD		 246 .probe = pc87360_probe,
247 .remove = __devexit_p(pc87360_remove),
1da177e4
LT		 248};
249
250/*
251 * Sysfs stuff
252 */
253
f0986bd8
JC		 254static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
255{
256 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
257 struct pc87360_data *data = pc87360_update_device(dev);
694fa056
JC		 258 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
259 FAN_DIV_FROM_REG(data->fan_status[attr->index])));
f0986bd8
JC		 260}
261static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
262{
263 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
264 struct pc87360_data *data = pc87360_update_device(dev);
694fa056
JC		 265 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
266 FAN_DIV_FROM_REG(data->fan_status[attr->index])));
f0986bd8
JC		 267}
268static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
269{
270 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
271 struct pc87360_data *data = pc87360_update_device(dev);
272 return sprintf(buf, "%u\n",
694fa056 273 FAN_DIV_FROM_REG(data->fan_status[attr->index]));
f0986bd8
JC		 274}
275static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
276{
277 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
278 struct pc87360_data *data = pc87360_update_device(dev);
279 return sprintf(buf, "%u\n",
694fa056 280 FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
f0986bd8
JC		 281}
282static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
283 size_t count)
284{
285 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 286 struct pc87360_data *data = dev_get_drvdata(dev);
11be27ea
JC		 287 long fan_min = simple_strtol(buf, NULL, 10);
288
9a61bf63 289 mutex_lock(&data->update_lock);
11be27ea
JC		 290 fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
291
292 /* If it wouldn't fit, change clock divisor */
293 while (fan_min > 255
294 && (data->fan_status[attr->index] & 0x60) != 0x60) {
295 fan_min >>= 1;
296 data->fan[attr->index] >>= 1;
297 data->fan_status[attr->index] += 0x20;
298 }
299 data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
300 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
301 data->fan_min[attr->index]);
302
303 /* Write new divider, preserve alarm bits */
304 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
305 data->fan_status[attr->index] & 0xF9);
9a61bf63 306 mutex_unlock(&data->update_lock);
11be27ea
JC		 307
308 return count;
f0986bd8
JC		 309}
310
dedc6a78
JC		 311static struct sensor_device_attribute fan_input[] = {
312 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0),
313 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1),
314 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2),
315};
316static struct sensor_device_attribute fan_status[] = {
317 SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0),
318 SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1),
319 SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2),
320};
321static struct sensor_device_attribute fan_div[] = {
322 SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
323 SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
324 SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
325};
326static struct sensor_device_attribute fan_min[] = {
327 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0),
328 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1),
329 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
330};
1da177e4 331
941c5c05
JC		 332#define FAN_UNIT_ATTRS(X) \
333 &fan_input[X].dev_attr.attr, \
334 &fan_status[X].dev_attr.attr, \
335 &fan_div[X].dev_attr.attr, \
336 &fan_min[X].dev_attr.attr
337
f0986bd8
JC		 338static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
339{
340 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
341 struct pc87360_data *data = pc87360_update_device(dev);
342 return sprintf(buf, "%u\n",
694fa056 343 PWM_FROM_REG(data->pwm[attr->index],
f0986bd8 344 FAN_CONFIG_INVERT(data->fan_conf,
694fa056 345 attr->index)));
f0986bd8
JC		 346}
347static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
348 size_t count)
349{
350 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 351 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 352 long val = simple_strtol(buf, NULL, 10);
353
9a61bf63 354 mutex_lock(&data->update_lock);
694fa056
JC		 355 data->pwm[attr->index] = PWM_TO_REG(val,
356 FAN_CONFIG_INVERT(data->fan_conf, attr->index));
357 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
358 data->pwm[attr->index]);
9a61bf63 359 mutex_unlock(&data->update_lock);
f0986bd8
JC		 360 return count;
361}
362
dedc6a78
JC		 363static struct sensor_device_attribute pwm[] = {
364 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0),
365 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1),
366 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
367};
1da177e4 368
941c5c05
JC		 369static struct attribute * pc8736x_fan_attr_array[] = {
370 FAN_UNIT_ATTRS(0),
371 FAN_UNIT_ATTRS(1),
372 FAN_UNIT_ATTRS(2),
373 &pwm[0].dev_attr.attr,
374 &pwm[1].dev_attr.attr,
375 &pwm[2].dev_attr.attr,
376 NULL
377};
378static const struct attribute_group pc8736x_fan_group = {
379 .attrs = pc8736x_fan_attr_array,
380};
381
f0986bd8
JC		 382static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
383{
384 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
385 struct pc87360_data *data = pc87360_update_device(dev);
386 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
387 data->in_vref));
388}
389static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
390{
391 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
392 struct pc87360_data *data = pc87360_update_device(dev);
393 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
394 data->in_vref));
395}
396static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
397{
398 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
399 struct pc87360_data *data = pc87360_update_device(dev);
400 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
401 data->in_vref));
402}
403static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
404{
405 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
406 struct pc87360_data *data = pc87360_update_device(dev);
407 return sprintf(buf, "%u\n", data->in_status[attr->index]);
408}
409static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
410 size_t count)
411{
412 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 413 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 414 long val = simple_strtol(buf, NULL, 10);
415
9a61bf63 416 mutex_lock(&data->update_lock);
f0986bd8
JC		 417 data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
418 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
419 data->in_min[attr->index]);
9a61bf63 420 mutex_unlock(&data->update_lock);
f0986bd8
JC		 421 return count;
422}
423static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
424 size_t count)
425{
426 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 427 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 428 long val = simple_strtol(buf, NULL, 10);
429
9a61bf63 430 mutex_lock(&data->update_lock);
f0986bd8
JC		 431 data->in_max[attr->index] = IN_TO_REG(val,
432 data->in_vref);
433 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
434 data->in_max[attr->index]);
9a61bf63 435 mutex_unlock(&data->update_lock);
f0986bd8
JC		 436 return count;
437}
438
dedc6a78
JC		 439static struct sensor_device_attribute in_input[] = {
440 SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0),
441 SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1),
442 SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2),
443 SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3),
444 SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4),
445 SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5),
446 SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6),
447 SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7),
448 SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8),
449 SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9),
450 SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10),
451};
452static struct sensor_device_attribute in_status[] = {
453 SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0),
454 SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1),
455 SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2),
456 SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3),
457 SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4),
458 SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5),
459 SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6),
460 SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7),
461 SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8),
462 SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9),
463 SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10),
464};
465static struct sensor_device_attribute in_min[] = {
466 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0),
467 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1),
468 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2),
469 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3),
470 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4),
471 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5),
472 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6),
473 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7),
474 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8),
475 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9),
476 SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10),
477};
478static struct sensor_device_attribute in_max[] = {
479 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0),
480 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1),
481 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2),
482 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3),
483 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4),
484 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5),
485 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6),
486 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7),
487 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8),
488 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9),
489 SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
490};
1da177e4 491
28f74e71
JC		 492/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
493#define CHAN_ALM_MIN 0x02 /* min limit crossed */
494#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
495#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
496
492e9657
JC		 497/* show_in_min/max_alarm() reads data from the per-channel status
498 register (sec 11.5.12), not the vin event status registers (sec
499 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
500
501static ssize_t show_in_min_alarm(struct device *dev,
502 struct device_attribute *devattr, char *buf)
503{
504 struct pc87360_data *data = pc87360_update_device(dev);
505 unsigned nr = to_sensor_dev_attr(devattr)->index;
506
507 return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
508}
509static ssize_t show_in_max_alarm(struct device *dev,
510 struct device_attribute *devattr, char *buf)
511{
512 struct pc87360_data *data = pc87360_update_device(dev);
513 unsigned nr = to_sensor_dev_attr(devattr)->index;
514
515 return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
516}
517
518static struct sensor_device_attribute in_min_alarm[] = {
519 SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
520 SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
521 SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
522 SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
523 SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
524 SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
525 SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
526 SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
527 SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
528 SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
529 SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
530};
531static struct sensor_device_attribute in_max_alarm[] = {
532 SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
533 SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
534 SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
535 SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
536 SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
537 SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
538 SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
539 SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
540 SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
541 SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
542 SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
543};
544
941c5c05
JC		 545#define VIN_UNIT_ATTRS(X) \
546 &in_input[X].dev_attr.attr, \
547 &in_status[X].dev_attr.attr, \
548 &in_min[X].dev_attr.attr, \
492e9657
JC		 549 &in_max[X].dev_attr.attr, \
550 &in_min_alarm[X].dev_attr.attr, \
551 &in_max_alarm[X].dev_attr.attr
941c5c05 552
44646c19
JC		 553static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
554{
555 struct pc87360_data *data = pc87360_update_device(dev);
556 return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
557}
558static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
559
560static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
561{
90d6619a 562 struct pc87360_data *data = dev_get_drvdata(dev);
44646c19
JC		 563 return sprintf(buf, "%u\n", data->vrm);
564}
565static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
566{
f641b588 567 struct pc87360_data *data = dev_get_drvdata(dev);
44646c19
JC		 568 data->vrm = simple_strtoul(buf, NULL, 10);
569 return count;
570}
571static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
572
573static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
574{
575 struct pc87360_data *data = pc87360_update_device(dev);
576 return sprintf(buf, "%u\n", data->in_alarms);
577}
578static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
579
941c5c05
JC		 580static struct attribute *pc8736x_vin_attr_array[] = {
581 VIN_UNIT_ATTRS(0),
582 VIN_UNIT_ATTRS(1),
583 VIN_UNIT_ATTRS(2),
584 VIN_UNIT_ATTRS(3),
585 VIN_UNIT_ATTRS(4),
586 VIN_UNIT_ATTRS(5),
587 VIN_UNIT_ATTRS(6),
588 VIN_UNIT_ATTRS(7),
589 VIN_UNIT_ATTRS(8),
590 VIN_UNIT_ATTRS(9),
591 VIN_UNIT_ATTRS(10),
592 &dev_attr_cpu0_vid.attr,
593 &dev_attr_vrm.attr,
594 &dev_attr_alarms_in.attr,
595 NULL
596};
597static const struct attribute_group pc8736x_vin_group = {
598 .attrs = pc8736x_vin_attr_array,
599};
600
f0986bd8
JC		 601static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
602{
603 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
604 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 605 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
f0986bd8
JC		 606 data->in_vref));
607}
608static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
609{
610 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
611 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 612 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
f0986bd8
JC		 613 data->in_vref));
614}
615static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
616{
617 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
618 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 619 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
f0986bd8
JC		 620 data->in_vref));
621}
622static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
623{
624 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
625 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 626 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
f0986bd8
JC		 627 data->in_vref));
628}
629static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
630{
631 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
632 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 633 return sprintf(buf, "%u\n", data->in_status[attr->index]);
f0986bd8
JC		 634}
635static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
636 size_t count)
637{
638 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 639 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 640 long val = simple_strtol(buf, NULL, 10);
641
9a61bf63 642 mutex_lock(&data->update_lock);
694fa056
JC		 643 data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
644 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
645 data->in_min[attr->index]);
9a61bf63 646 mutex_unlock(&data->update_lock);
f0986bd8
JC		 647 return count;
648}
649static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
650 size_t count)
651{
652 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 653 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 654 long val = simple_strtol(buf, NULL, 10);
655
9a61bf63 656 mutex_lock(&data->update_lock);
694fa056
JC		 657 data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
658 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
659 data->in_max[attr->index]);
9a61bf63 660 mutex_unlock(&data->update_lock);
f0986bd8
JC		 661 return count;
662}
663static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
664 size_t count)
665{
666 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 667 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 668 long val = simple_strtol(buf, NULL, 10);
669
9a61bf63 670 mutex_lock(&data->update_lock);
694fa056
JC		 671 data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
672 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
673 data->in_crit[attr->index-11]);
9a61bf63 674 mutex_unlock(&data->update_lock);
f0986bd8
JC		 675 return count;
676}
677
dedc6a78
JC		 678/* the +11 term below reflects the fact that VLM units 11,12,13 are
679 used in the chip to measure voltage across the thermistors
680*/
681static struct sensor_device_attribute therm_input[] = {
682 SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
683 SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
684 SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
685};
686static struct sensor_device_attribute therm_status[] = {
687 SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
688 SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
689 SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
690};
691static struct sensor_device_attribute therm_min[] = {
692 SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
693 show_therm_min, set_therm_min, 0+11),
694 SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
695 show_therm_min, set_therm_min, 1+11),
696 SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
697 show_therm_min, set_therm_min, 2+11),
698};
699static struct sensor_device_attribute therm_max[] = {
700 SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
701 show_therm_max, set_therm_max, 0+11),
702 SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
703 show_therm_max, set_therm_max, 1+11),
704 SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
705 show_therm_max, set_therm_max, 2+11),
706};
707static struct sensor_device_attribute therm_crit[] = {
708 SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
709 show_therm_crit, set_therm_crit, 0+11),
710 SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
711 show_therm_crit, set_therm_crit, 1+11),
712 SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
713 show_therm_crit, set_therm_crit, 2+11),
714};
1da177e4 715
941c5c05
JC		 716#define THERM_UNIT_ATTRS(X) \
717 &therm_input[X].dev_attr.attr, \
718 &therm_status[X].dev_attr.attr, \
719 &therm_min[X].dev_attr.attr, \
720 &therm_max[X].dev_attr.attr, \
721 &therm_crit[X].dev_attr.attr
722
723static struct attribute * pc8736x_therm_attr_array[] = {
724 THERM_UNIT_ATTRS(0),
725 THERM_UNIT_ATTRS(1),
726 THERM_UNIT_ATTRS(2),
727 NULL
728};
729static const struct attribute_group pc8736x_therm_group = {
730 .attrs = pc8736x_therm_attr_array,
731};
732
f0986bd8
JC		 733static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
734{
735 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
736 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 737 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
f0986bd8
JC		 738}
739static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
740{
741 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
742 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 743 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
f0986bd8
JC		 744}
745static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
746{
747 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
748 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 749 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
f0986bd8
JC		 750}
751static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
752{
753 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
754 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 755 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
f0986bd8
JC		 756}
757static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
758{
759 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
760 struct pc87360_data *data = pc87360_update_device(dev);
694fa056 761 return sprintf(buf, "%d\n", data->temp_status[attr->index]);
f0986bd8
JC		 762}
763static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
764 size_t count)
765{
766 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 767 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 768 long val = simple_strtol(buf, NULL, 10);
769
9a61bf63 770 mutex_lock(&data->update_lock);
694fa056
JC		 771 data->temp_min[attr->index] = TEMP_TO_REG(val);
772 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
773 data->temp_min[attr->index]);
9a61bf63 774 mutex_unlock(&data->update_lock);
f0986bd8
JC		 775 return count;
776}
777static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
778 size_t count)
779{
780 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 781 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 782 long val = simple_strtol(buf, NULL, 10);
783
9a61bf63 784 mutex_lock(&data->update_lock);
694fa056
JC		 785 data->temp_max[attr->index] = TEMP_TO_REG(val);
786 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
787 data->temp_max[attr->index]);
9a61bf63 788 mutex_unlock(&data->update_lock);
f0986bd8
JC		 789 return count;
790}
791static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
792 size_t count)
793{
794 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
f641b588 795 struct pc87360_data *data = dev_get_drvdata(dev);
f0986bd8
JC		 796 long val = simple_strtol(buf, NULL, 10);
797
9a61bf63 798 mutex_lock(&data->update_lock);
694fa056
JC		 799 data->temp_crit[attr->index] = TEMP_TO_REG(val);
800 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
801 data->temp_crit[attr->index]);
9a61bf63 802 mutex_unlock(&data->update_lock);
f0986bd8
JC		 803 return count;
804}
805
dedc6a78
JC		 806static struct sensor_device_attribute temp_input[] = {
807 SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0),
808 SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1),
809 SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2),
810};
811static struct sensor_device_attribute temp_status[] = {
812 SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0),
813 SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1),
814 SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2),
815};
816static struct sensor_device_attribute temp_min[] = {
817 SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR,
818 show_temp_min, set_temp_min, 0),
819 SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR,
820 show_temp_min, set_temp_min, 1),
821 SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR,
822 show_temp_min, set_temp_min, 2),
823};
824static struct sensor_device_attribute temp_max[] = {
825 SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
826 show_temp_max, set_temp_max, 0),
827 SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
828 show_temp_max, set_temp_max, 1),
829 SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
830 show_temp_max, set_temp_max, 2),
831};
832static struct sensor_device_attribute temp_crit[] = {
833 SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
834 show_temp_crit, set_temp_crit, 0),
835 SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
836 show_temp_crit, set_temp_crit, 1),
837 SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
838 show_temp_crit, set_temp_crit, 2),
839};
1da177e4 840
a5099cfc 841static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 842{
843 struct pc87360_data *data = pc87360_update_device(dev);
844 return sprintf(buf, "%u\n", data->temp_alarms);
845}
846static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
847
b267e8cd
JC		 848/* show_temp_min/max_alarm() reads data from the per-channel status
849 register (sec 12.3.7), not the temp event status registers (sec
850 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
851
852static ssize_t show_temp_min_alarm(struct device *dev,
853 struct device_attribute *devattr, char *buf)
854{
855 struct pc87360_data *data = pc87360_update_device(dev);
856 unsigned nr = to_sensor_dev_attr(devattr)->index;
857
858 return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
859}
860static ssize_t show_temp_max_alarm(struct device *dev,
861 struct device_attribute *devattr, char *buf)
862{
863 struct pc87360_data *data = pc87360_update_device(dev);
864 unsigned nr = to_sensor_dev_attr(devattr)->index;
865
866 return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
867}
868static ssize_t show_temp_crit_alarm(struct device *dev,
869 struct device_attribute *devattr, char *buf)
870{
871 struct pc87360_data *data = pc87360_update_device(dev);
872 unsigned nr = to_sensor_dev_attr(devattr)->index;
873
874 return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT));
875}
876
877static struct sensor_device_attribute temp_min_alarm[] = {
878 SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0),
879 SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
880 SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
881};
882static struct sensor_device_attribute temp_max_alarm[] = {
883 SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
884 SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
885 SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
886};
887static struct sensor_device_attribute temp_crit_alarm[] = {
888 SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
889 SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
890 SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2),
891};
892
893#define TEMP_FAULT 0x40 /* open diode */
894static ssize_t show_temp_fault(struct device *dev,
895 struct device_attribute *devattr, char *buf)
896{
897 struct pc87360_data *data = pc87360_update_device(dev);
898 unsigned nr = to_sensor_dev_attr(devattr)->index;
899
900 return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT));
901}
902static struct sensor_device_attribute temp_fault[] = {
903 SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
904 SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
905 SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
906};
907
941c5c05
JC		 908#define TEMP_UNIT_ATTRS(X) \
909 &temp_input[X].dev_attr.attr, \
910 &temp_status[X].dev_attr.attr, \
911 &temp_min[X].dev_attr.attr, \
912 &temp_max[X].dev_attr.attr, \
b267e8cd
JC		 913 &temp_crit[X].dev_attr.attr, \
914 &temp_min_alarm[X].dev_attr.attr, \
915 &temp_max_alarm[X].dev_attr.attr, \
916 &temp_crit_alarm[X].dev_attr.attr, \
917 &temp_fault[X].dev_attr.attr
941c5c05
JC		 918
919static struct attribute * pc8736x_temp_attr_array[] = {
920 TEMP_UNIT_ATTRS(0),
921 TEMP_UNIT_ATTRS(1),
922 TEMP_UNIT_ATTRS(2),
923 /* include the few miscellaneous atts here */
924 &dev_attr_alarms_temp.attr,
925 NULL
926};
927static const struct attribute_group pc8736x_temp_group = {
928 .attrs = pc8736x_temp_attr_array,
929};
930
b267e8cd
JC		 931static ssize_t show_name(struct device *dev,
932 struct device_attribute *devattr, char *buf)
f641b588
JD		 933{
934 struct pc87360_data *data = dev_get_drvdata(dev);
935 return sprintf(buf, "%s\n", data->name);
936}
937static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
938
1da177e4
LT		 939/*
940 * Device detection, registration and update
941 */
942
e6cfb3ad 943static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses)
1da177e4
LT		 944{
945 u16 val;
946 int i;
947 int nrdev; /* logical device count */
948
949 /* No superio_enter */
950
951 /* Identify device */
67b671bc 952 val = force_id ? force_id : superio_inb(sioaddr, DEVID);
1da177e4
LT		 953 switch (val) {
954 case 0xE1: /* PC87360 */
955 case 0xE8: /* PC87363 */
956 case 0xE4: /* PC87364 */
957 nrdev = 1;
958 break;
959 case 0xE5: /* PC87365 */
960 case 0xE9: /* PC87366 */
961 nrdev = 3;
962 break;
963 default:
964 superio_exit(sioaddr);
965 return -ENODEV;
966 }
967 /* Remember the device id */
968 *devid = val;
969
970 for (i = 0; i < nrdev; i++) {
971 /* select logical device */
972 superio_outb(sioaddr, DEV, logdev[i]);
973
974 val = superio_inb(sioaddr, ACT);
975 if (!(val & 0x01)) {
976 printk(KERN_INFO "pc87360: Device 0x%02x not "
977 "activated\n", logdev[i]);
978 continue;
979 }
980
981 val = (superio_inb(sioaddr, BASE) << 8)
982 | superio_inb(sioaddr, BASE + 1);
983 if (!val) {
984 printk(KERN_INFO "pc87360: Base address not set for "
985 "device 0x%02x\n", logdev[i]);
986 continue;
987 }
988
2d8672c5 989 addresses[i] = val;
1da177e4
LT		 990
991 if (i==0) { /* Fans */
992 confreg[0] = superio_inb(sioaddr, 0xF0);
993 confreg[1] = superio_inb(sioaddr, 0xF1);
994
995#ifdef DEBUG
996 printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
997 "ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
998 (confreg[0]>>3)&1, (confreg[0]>>4)&1);
999 printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
1000 "ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
1001 (confreg[0]>>6)&1, (confreg[0]>>7)&1);
1002 printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
1003 "ctrl=%d inv=%d\n", confreg[1]&1,
1004 (confreg[1]>>1)&1, (confreg[1]>>2)&1);
1005#endif
1006 } else if (i==1) { /* Voltages */
1007 /* Are we using thermistors? */
1008 if (*devid == 0xE9) { /* PC87366 */
1009 /* These registers are not logical-device
1010 specific, just that we won't need them if
1011 we don't use the VLM device */
1012 confreg[2] = superio_inb(sioaddr, 0x2B);
1013 confreg[3] = superio_inb(sioaddr, 0x25);
1014
1015 if (confreg[2] & 0x40) {
1016 printk(KERN_INFO "pc87360: Using "
1017 "thermistors for temperature "
1018 "monitoring\n");
1019 }
1020 if (confreg[3] & 0xE0) {
1021 printk(KERN_INFO "pc87360: VID "
1022 "inputs routed (mode %u)\n",
1023 confreg[3] >> 5);
1024 }
1025 }
1026 }
1027 }
1028
1029 superio_exit(sioaddr);
1030 return 0;
1031}
1032
f641b588 1033static int __devinit pc87360_probe(struct platform_device *pdev)
1da177e4
LT		 1034{
1035 int i;
1da177e4
LT		 1036 struct pc87360_data *data;
1037 int err = 0;
1038 const char *name = "pc87360";
1039 int use_thermistors = 0;
f641b588 1040 struct device *dev = &pdev->dev;
1da177e4 1041
ba9c2e8d 1042 if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
1da177e4 1043 return -ENOMEM;
1da177e4 1044
1da177e4
LT		 1045 data->fannr = 2;
1046 data->innr = 0;
1047 data->tempnr = 0;
1048
1049 switch (devid) {
1050 case 0xe8:
1051 name = "pc87363";
1052 break;
1053 case 0xe4:
1054 name = "pc87364";
1055 data->fannr = 3;
1056 break;
1057 case 0xe5:
1058 name = "pc87365";
1059 data->fannr = extra_isa[0] ? 3 : 0;
1060 data->innr = extra_isa[1] ? 11 : 0;
1061 data->tempnr = extra_isa[2] ? 2 : 0;
1062 break;
1063 case 0xe9:
1064 name = "pc87366";
1065 data->fannr = extra_isa[0] ? 3 : 0;
1066 data->innr = extra_isa[1] ? 14 : 0;
1067 data->tempnr = extra_isa[2] ? 3 : 0;
1068 break;
1069 }
1070
f641b588 1071 data->name = name;
1da177e4 1072 data->valid = 0;
f641b588 1073 mutex_init(&data->lock);
9a61bf63 1074 mutex_init(&data->update_lock);
f641b588 1075 platform_set_drvdata(pdev, data);
1da177e4
LT		 1076
1077 for (i = 0; i < 3; i++) {
1078 if (((data->address[i] = extra_isa[i]))
1079 && !request_region(extra_isa[i], PC87360_EXTENT,
cdaf7934 1080 pc87360_driver.driver.name)) {
f641b588 1081 dev_err(dev, "Region 0x%x-0x%x already "
1da177e4
LT		 1082 "in use!\n", extra_isa[i],
1083 extra_isa[i]+PC87360_EXTENT-1);
1084 for (i--; i >= 0; i--)
1085 release_region(extra_isa[i], PC87360_EXTENT);
1086 err = -EBUSY;
1087 goto ERROR1;
1088 }
1089 }
1090
1091 /* Retrieve the fans configuration from Super-I/O space */
1092 if (data->fannr)
1093 data->fan_conf = confreg[0] | (confreg[1] << 8);
1094
1da177e4
LT		 1095 /* Use the correct reference voltage
1096 Unless both the VLM and the TMS logical devices agree to
1097 use an external Vref, the internal one is used. */
1098 if (data->innr) {
1099 i = pc87360_read_value(data, LD_IN, NO_BANK,
1100 PC87365_REG_IN_CONFIG);
1101 if (data->tempnr) {
1102 i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
1103 PC87365_REG_TEMP_CONFIG);
1104 }
1105 data->in_vref = (i&0x02) ? 3025 : 2966;
f641b588 1106 dev_dbg(dev, "Using %s reference voltage\n",
1da177e4
LT		 1107 (i&0x02) ? "external" : "internal");
1108
1109 data->vid_conf = confreg[3];
3d7f9a86 1110 data->vrm = vid_which_vrm();
1da177e4
LT		 1111 }
1112
1113 /* Fan clock dividers may be needed before any data is read */
1114 for (i = 0; i < data->fannr; i++) {
1115 if (FAN_CONFIG_MONITOR(data->fan_conf, i))
1116 data->fan_status[i] = pc87360_read_value(data,
1117 LD_FAN, NO_BANK,
1118 PC87360_REG_FAN_STATUS(i));
1119 }
1120
1121 if (init > 0) {
1122 if (devid == 0xe9 && data->address[1]) /* PC87366 */
1123 use_thermistors = confreg[2] & 0x40;
1124
f641b588 1125 pc87360_init_device(pdev, use_thermistors);
1da177e4
LT		 1126 }
1127
f3722d5b
JC		 1128 /* Register all-or-nothing sysfs groups */
1129
1130 if (data->innr &&
f641b588 1131 (err = sysfs_create_group(&dev->kobj,
f3722d5b 1132 &pc8736x_vin_group)))
943b0830 1133 goto ERROR3;
943b0830 1134
f3722d5b 1135 if (data->innr == 14 &&
f641b588 1136 (err = sysfs_create_group(&dev->kobj,
f3722d5b
JC		 1137 &pc8736x_therm_group)))
1138 goto ERROR3;
1139
1140 /* create device attr-files for varying sysfs groups */
1da177e4
LT		 1141
1142 if (data->tempnr) {
dedc6a78 1143 for (i = 0; i < data->tempnr; i++) {
f3722d5b
JC		 1144 if ((err = device_create_file(dev,
1145 &temp_input[i].dev_attr))
1146 || (err = device_create_file(dev,
1147 &temp_min[i].dev_attr))
1148 || (err = device_create_file(dev,
1149 &temp_max[i].dev_attr))
1150 || (err = device_create_file(dev,
1151 &temp_crit[i].dev_attr))
1152 || (err = device_create_file(dev,
b267e8cd
JC		 1153 &temp_status[i].dev_attr))
1154 || (err = device_create_file(dev,
1155 &temp_min_alarm[i].dev_attr))
1156 || (err = device_create_file(dev,
1157 &temp_max_alarm[i].dev_attr))
1158 || (err = device_create_file(dev,
1159 &temp_crit_alarm[i].dev_attr))
1160 || (err = device_create_file(dev,
1161 &temp_fault[i].dev_attr)))
f3722d5b 1162 goto ERROR3;
1da177e4 1163 }
f3722d5b
JC		 1164 if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
1165 goto ERROR3;
1da177e4 1166 }
1da177e4 1167
dedc6a78 1168 for (i = 0; i < data->fannr; i++) {
f3722d5b
JC		 1169 if (FAN_CONFIG_MONITOR(data->fan_conf, i)
1170 && ((err = device_create_file(dev,
1171 &fan_input[i].dev_attr))
1172 || (err = device_create_file(dev,
1173 &fan_min[i].dev_attr))
1174 || (err = device_create_file(dev,
1175 &fan_div[i].dev_attr))
1176 || (err = device_create_file(dev,
1177 &fan_status[i].dev_attr))))
1178 goto ERROR3;
1179
1180 if (FAN_CONFIG_CONTROL(data->fan_conf, i)
1181 && (err = device_create_file(dev, &pwm[i].dev_attr)))
1182 goto ERROR3;
1da177e4
LT		 1183 }
1184
f641b588
JD		 1185 if ((err = device_create_file(dev, &dev_attr_name)))
1186 goto ERROR3;
1187
1beeffe4
TJ		 1188 data->hwmon_dev = hwmon_device_register(dev);
1189 if (IS_ERR(data->hwmon_dev)) {
1190 err = PTR_ERR(data->hwmon_dev);
f3722d5b
JC		 1191 goto ERROR3;
1192 }
1da177e4
LT		 1193 return 0;
1194
943b0830 1195ERROR3:
f641b588 1196 device_remove_file(dev, &dev_attr_name);
f3722d5b 1197 /* can still remove groups whose members were added individually */
f641b588
JD		 1198 sysfs_remove_group(&dev->kobj, &pc8736x_temp_group);
1199 sysfs_remove_group(&dev->kobj, &pc8736x_fan_group);
1200 sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
1201 sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
1da177e4
LT		 1202 for (i = 0; i < 3; i++) {
1203 if (data->address[i]) {
1204 release_region(data->address[i], PC87360_EXTENT);
1205 }
1206 }
1207ERROR1:
1208 kfree(data);
1209 return err;
1210}
1211
f641b588 1212static int __devexit pc87360_remove(struct platform_device *pdev)
1da177e4 1213{
f641b588 1214 struct pc87360_data *data = platform_get_drvdata(pdev);
1da177e4
LT		 1215 int i;
1216
1beeffe4 1217 hwmon_device_unregister(data->hwmon_dev);
943b0830 1218
f641b588
JD		 1219 device_remove_file(&pdev->dev, &dev_attr_name);
1220 sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group);
1221 sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group);
1222 sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group);
1223 sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group);
1da177e4
LT		 1224
1225 for (i = 0; i < 3; i++) {
1226 if (data->address[i]) {
1227 release_region(data->address[i], PC87360_EXTENT);
1228 }
1229 }
1230 kfree(data);
1231
1232 return 0;
1233}
1234
1235/* ldi is the logical device index
1236 bank is for voltages and temperatures only */
1237static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
1238 u8 reg)
1239{
1240 int res;
1241
9a61bf63 1242 mutex_lock(&(data->lock));
1da177e4
LT		 1243 if (bank != NO_BANK)
1244 outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
1245 res = inb_p(data->address[ldi] + reg);
9a61bf63 1246 mutex_unlock(&(data->lock));
1da177e4
LT		 1247
1248 return res;
1249}
1250
1251static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
1252 u8 reg, u8 value)
1253{
9a61bf63 1254 mutex_lock(&(data->lock));
1da177e4
LT		 1255 if (bank != NO_BANK)
1256 outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
1257 outb_p(value, data->address[ldi] + reg);
9a61bf63 1258 mutex_unlock(&(data->lock));
1da177e4
LT		 1259}
1260
28f74e71
JC		 1261/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */
1262#define CHAN_CNVRTD 0x80 /* new data ready */
1263#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */
1264#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */
1265#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
1266
b267e8cd
JC		 1267#define TEMP_OTS_OE 0x20 /* OTS Output Enable */
1268#define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */
1269#define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */
1270
f641b588
JD		 1271static void pc87360_init_device(struct platform_device *pdev,
1272 int use_thermistors)
1da177e4 1273{
f641b588 1274 struct pc87360_data *data = platform_get_drvdata(pdev);
1da177e4
LT		 1275 int i, nr;
1276 const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
1277 const u8 init_temp[3] = { 2, 2, 1 };
1278 u8 reg;
1279
1280 if (init >= 2 && data->innr) {
1281 reg = pc87360_read_value(data, LD_IN, NO_BANK,
1282 PC87365_REG_IN_CONVRATE);
f641b588 1283 dev_info(&pdev->dev, "VLM conversion set to "
1da177e4
LT		 1284 "1s period, 160us delay\n");
1285 pc87360_write_value(data, LD_IN, NO_BANK,
1286 PC87365_REG_IN_CONVRATE,
1287 (reg & 0xC0) | 0x11);
1288 }
1289
1290 nr = data->innr < 11 ? data->innr : 11;
dedc6a78 1291 for (i = 0; i < nr; i++) {
1da177e4
LT		 1292 if (init >= init_in[i]) {
1293 /* Forcibly enable voltage channel */
1294 reg = pc87360_read_value(data, LD_IN, i,
1295 PC87365_REG_IN_STATUS);
28f74e71 1296 if (!(reg & CHAN_ENA)) {
f641b588 1297 dev_dbg(&pdev->dev, "Forcibly "
1da177e4
LT		 1298 "enabling in%d\n", i);
1299 pc87360_write_value(data, LD_IN, i,
1300 PC87365_REG_IN_STATUS,
1301 (reg & 0x68) | 0x87);
1302 }
1303 }
1304 }
1305
1306 /* We can't blindly trust the Super-I/O space configuration bit,
1307 most BIOS won't set it properly */
dedc6a78 1308 for (i = 11; i < data->innr; i++) {
1da177e4
LT		 1309 reg = pc87360_read_value(data, LD_IN, i,
1310 PC87365_REG_TEMP_STATUS);
28f74e71 1311 use_thermistors = use_thermistors || (reg & CHAN_ENA);
1da177e4
LT		 1312 }
1313
1314 i = use_thermistors ? 2 : 0;
dedc6a78 1315 for (; i < data->tempnr; i++) {
1da177e4
LT		 1316 if (init >= init_temp[i]) {
1317 /* Forcibly enable temperature channel */
1318 reg = pc87360_read_value(data, LD_TEMP, i,
1319 PC87365_REG_TEMP_STATUS);
28f74e71 1320 if (!(reg & CHAN_ENA)) {
f641b588 1321 dev_dbg(&pdev->dev, "Forcibly "
1da177e4
LT		 1322 "enabling temp%d\n", i+1);
1323 pc87360_write_value(data, LD_TEMP, i,
1324 PC87365_REG_TEMP_STATUS,
1325 0xCF);
1326 }
1327 }
1328 }
1329
1330 if (use_thermistors) {
dedc6a78 1331 for (i = 11; i < data->innr; i++) {
1da177e4
LT		 1332 if (init >= init_in[i]) {
1333 /* The pin may already be used by thermal
1334 diodes */
1335 reg = pc87360_read_value(data, LD_TEMP,
1336 (i-11)/2, PC87365_REG_TEMP_STATUS);
28f74e71 1337 if (reg & CHAN_ENA) {
f641b588 1338 dev_dbg(&pdev->dev, "Skipping "
1da177e4
LT		 1339 "temp%d, pin already in use "
1340 "by temp%d\n", i-7, (i-11)/2);
1341 continue;
1342 }
1343
1344 /* Forcibly enable thermistor channel */
1345 reg = pc87360_read_value(data, LD_IN, i,
1346 PC87365_REG_IN_STATUS);
28f74e71 1347 if (!(reg & CHAN_ENA)) {
f641b588 1348 dev_dbg(&pdev->dev, "Forcibly "
1da177e4
LT		 1349 "enabling temp%d\n", i-7);
1350 pc87360_write_value(data, LD_IN, i,
1351 PC87365_REG_TEMP_STATUS,
1352 (reg & 0x60) | 0x8F);
1353 }
1354 }
1355 }
1356 }
1357
1358 if (data->innr) {
1359 reg = pc87360_read_value(data, LD_IN, NO_BANK,
1360 PC87365_REG_IN_CONFIG);
28f74e71 1361 if (reg & CHAN_ENA) {
f641b588 1362 dev_dbg(&pdev->dev, "Forcibly "
1da177e4
LT		 1363 "enabling monitoring (VLM)\n");
1364 pc87360_write_value(data, LD_IN, NO_BANK,
1365 PC87365_REG_IN_CONFIG,
1366 reg & 0xFE);
1367 }
1368 }
1369
1370 if (data->tempnr) {
1371 reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
1372 PC87365_REG_TEMP_CONFIG);
28f74e71 1373 if (reg & CHAN_ENA) {
f641b588 1374 dev_dbg(&pdev->dev, "Forcibly enabling "
1da177e4
LT		 1375 "monitoring (TMS)\n");
1376 pc87360_write_value(data, LD_TEMP, NO_BANK,
1377 PC87365_REG_TEMP_CONFIG,
1378 reg & 0xFE);
1379 }
1380
1381 if (init >= 2) {
1382 /* Chip config as documented by National Semi. */
1383 pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
1384 /* We voluntarily omit the bank here, in case the
1385 sequence itself matters. It shouldn't be a problem,
1386 since nobody else is supposed to access the
1387 device at that point. */
1388 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
1389 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
1390 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
1391 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
1392 }
1393 }
1394}
1395
f641b588 1396static void pc87360_autodiv(struct device *dev, int nr)
1da177e4 1397{
f641b588 1398 struct pc87360_data *data = dev_get_drvdata(dev);
1da177e4
LT		 1399 u8 old_min = data->fan_min[nr];
1400
1401 /* Increase clock divider if needed and possible */
1402 if ((data->fan_status[nr] & 0x04) /* overflow flag */
1403 || (data->fan[nr] >= 224)) { /* next to overflow */
1404 if ((data->fan_status[nr] & 0x60) != 0x60) {
1405 data->fan_status[nr] += 0x20;
1406 data->fan_min[nr] >>= 1;
1407 data->fan[nr] >>= 1;
f641b588 1408 dev_dbg(dev, "Increasing "
1da177e4
LT		 1409 "clock divider to %d for fan %d\n",
1410 FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
1411 }
1412 } else {
1413 /* Decrease clock divider if possible */
1414 while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
1415 && data->fan[nr] < 85 /* bad accuracy */
1416 && (data->fan_status[nr] & 0x60) != 0x00) {
1417 data->fan_status[nr] -= 0x20;
1418 data->fan_min[nr] <<= 1;
1419 data->fan[nr] <<= 1;
f641b588 1420 dev_dbg(dev, "Decreasing "
1da177e4
LT		 1421 "clock divider to %d for fan %d\n",
1422 FAN_DIV_FROM_REG(data->fan_status[nr]),
1423 nr+1);
1424 }
1425 }
1426
1427 /* Write new fan min if it changed */
1428 if (old_min != data->fan_min[nr]) {
1429 pc87360_write_value(data, LD_FAN, NO_BANK,
1430 PC87360_REG_FAN_MIN(nr),
1431 data->fan_min[nr]);
1432 }
1433}
1434
1435static struct pc87360_data *pc87360_update_device(struct device *dev)
1436{
f641b588 1437 struct pc87360_data *data = dev_get_drvdata(dev);
1da177e4
LT		 1438 u8 i;
1439
9a61bf63 1440 mutex_lock(&data->update_lock);
1da177e4
LT		 1441
1442 if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
f641b588 1443 dev_dbg(dev, "Data update\n");
1da177e4
LT		 1444
1445 /* Fans */
1446 for (i = 0; i < data->fannr; i++) {
1447 if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
1448 data->fan_status[i] =
1449 pc87360_read_value(data, LD_FAN,
1450 NO_BANK, PC87360_REG_FAN_STATUS(i));
1451 data->fan[i] = pc87360_read_value(data, LD_FAN,
1452 NO_BANK, PC87360_REG_FAN(i));
1453 data->fan_min[i] = pc87360_read_value(data,
1454 LD_FAN, NO_BANK,
1455 PC87360_REG_FAN_MIN(i));
1456 /* Change clock divider if needed */
f641b588 1457 pc87360_autodiv(dev, i);
1da177e4
LT		 1458 /* Clear bits and write new divider */
1459 pc87360_write_value(data, LD_FAN, NO_BANK,
1460 PC87360_REG_FAN_STATUS(i),
1461 data->fan_status[i]);
1462 }
1463 if (FAN_CONFIG_CONTROL(data->fan_conf, i))
1464 data->pwm[i] = pc87360_read_value(data, LD_FAN,
1465 NO_BANK, PC87360_REG_PWM(i));
1466 }
1467
1468 /* Voltages */
1469 for (i = 0; i < data->innr; i++) {
1470 data->in_status[i] = pc87360_read_value(data, LD_IN, i,
1471 PC87365_REG_IN_STATUS);
1472 /* Clear bits */
1473 pc87360_write_value(data, LD_IN, i,
1474 PC87365_REG_IN_STATUS,
1475 data->in_status[i]);
28f74e71 1476 if ((data->in_status[i] & CHAN_READY) == CHAN_READY) {
1da177e4
LT		 1477 data->in[i] = pc87360_read_value(data, LD_IN,
1478 i, PC87365_REG_IN);
1479 }
28f74e71 1480 if (data->in_status[i] & CHAN_ENA) {
1da177e4
LT		 1481 data->in_min[i] = pc87360_read_value(data,
1482 LD_IN, i,
1483 PC87365_REG_IN_MIN);
1484 data->in_max[i] = pc87360_read_value(data,
1485 LD_IN, i,
1486 PC87365_REG_IN_MAX);
1487 if (i >= 11)
1488 data->in_crit[i-11] =
1489 pc87360_read_value(data, LD_IN,
1490 i, PC87365_REG_TEMP_CRIT);
1491 }
1492 }
1493 if (data->innr) {
1494 data->in_alarms = pc87360_read_value(data, LD_IN,
1495 NO_BANK, PC87365_REG_IN_ALARMS1)
1496 | ((pc87360_read_value(data, LD_IN,
1497 NO_BANK, PC87365_REG_IN_ALARMS2)
1498 & 0x07) << 8);
1499 data->vid = (data->vid_conf & 0xE0) ?
1500 pc87360_read_value(data, LD_IN,
1501 NO_BANK, PC87365_REG_VID) : 0x1F;
1502 }
1503
1504 /* Temperatures */
1505 for (i = 0; i < data->tempnr; i++) {
1506 data->temp_status[i] = pc87360_read_value(data,
1507 LD_TEMP, i,
1508 PC87365_REG_TEMP_STATUS);
1509 /* Clear bits */
1510 pc87360_write_value(data, LD_TEMP, i,
1511 PC87365_REG_TEMP_STATUS,
1512 data->temp_status[i]);
28f74e71 1513 if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) {
1da177e4
LT		 1514 data->temp[i] = pc87360_read_value(data,
1515 LD_TEMP, i,
1516 PC87365_REG_TEMP);
1517 }
28f74e71 1518 if (data->temp_status[i] & CHAN_ENA) {
1da177e4
LT		 1519 data->temp_min[i] = pc87360_read_value(data,
1520 LD_TEMP, i,
1521 PC87365_REG_TEMP_MIN);
1522 data->temp_max[i] = pc87360_read_value(data,
1523 LD_TEMP, i,
1524 PC87365_REG_TEMP_MAX);
1525 data->temp_crit[i] = pc87360_read_value(data,
1526 LD_TEMP, i,
1527 PC87365_REG_TEMP_CRIT);
1528 }
1529 }
1530 if (data->tempnr) {
1531 data->temp_alarms = pc87360_read_value(data, LD_TEMP,
1532 NO_BANK, PC87365_REG_TEMP_ALARMS)
1533 & 0x3F;
1534 }
1535
1536 data->last_updated = jiffies;
1537 data->valid = 1;
1538 }
1539
9a61bf63 1540 mutex_unlock(&data->update_lock);
1da177e4
LT		 1541
1542 return data;
1543}
1544
f641b588
JD		 1545static int __init pc87360_device_add(unsigned short address)
1546{
1547 struct resource res = {
1548 .name = "pc87360",
1549 .flags = IORESOURCE_IO,
1550 };
1551 int err, i;
1552
1553 pdev = platform_device_alloc("pc87360", address);
1554 if (!pdev) {
1555 err = -ENOMEM;
1556 printk(KERN_ERR "pc87360: Device allocation failed\n");
1557 goto exit;
1558 }
1559
1560 for (i = 0; i < 3; i++) {
1561 if (!extra_isa[i])
1562 continue;
1563 res.start = extra_isa[i];
1564 res.end = extra_isa[i] + PC87360_EXTENT - 1;
1565 err = platform_device_add_resources(pdev, &res, 1);
1566 if (err) {
1567 printk(KERN_ERR "pc87360: Device resource[%d] "
1568 "addition failed (%d)\n", i, err);
1569 goto exit_device_put;
1570 }
1571 }
1572
1573 err = platform_device_add(pdev);
1574 if (err) {
1575 printk(KERN_ERR "pc87360: Device addition failed (%d)\n",
1576 err);
1577 goto exit_device_put;
1578 }
1579
1580 return 0;
1581
1582exit_device_put:
1583 platform_device_put(pdev);
1584exit:
1585 return err;
1586}
1587
1da177e4
LT		 1588static int __init pc87360_init(void)
1589{
f641b588
JD		 1590 int err, i;
1591 unsigned short address = 0;
1da177e4
LT		 1592
1593 if (pc87360_find(0x2e, &devid, extra_isa)
1594 && pc87360_find(0x4e, &devid, extra_isa)) {
1595 printk(KERN_WARNING "pc87360: PC8736x not detected, "
1596 "module not inserted.\n");
1597 return -ENODEV;
1598 }
1599
1600 /* Arbitrarily pick one of the addresses */
1601 for (i = 0; i < 3; i++) {
1602 if (extra_isa[i] != 0x0000) {
2d8672c5 1603 address = extra_isa[i];
1da177e4
LT		 1604 break;
1605 }
1606 }
1607
2d8672c5 1608 if (address == 0x0000) {
1da177e4
LT		 1609 printk(KERN_WARNING "pc87360: No active logical device, "
1610 "module not inserted.\n");
1611 return -ENODEV;
1612 }
1613
f641b588
JD		 1614 err = platform_driver_register(&pc87360_driver);
1615 if (err)
1616 goto exit;
1617
1618 /* Sets global pdev as a side effect */
1619 err = pc87360_device_add(address);
1620 if (err)
1621 goto exit_driver;
1622
1623 return 0;
1624
1625 exit_driver:
1626 platform_driver_unregister(&pc87360_driver);
1627 exit:
1628 return err;
1da177e4
LT		 1629}
1630
1631static void __exit pc87360_exit(void)
1632{
f641b588
JD		 1633 platform_device_unregister(pdev);
1634 platform_driver_unregister(&pc87360_driver);
1da177e4
LT		 1635}
1636
1637
1638MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
1639MODULE_DESCRIPTION("PC8736x hardware monitor");
1640MODULE_LICENSE("GPL");
1641
1642module_init(pc87360_init);
1643module_exit(pc87360_exit);
Linux kernel - Deliverables
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