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1da177e4 LT |
1 | /* |
2 | * pc87360.c - Part of lm_sensors, Linux kernel modules | |
3 | * for hardware monitoring | |
4 | * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org> | |
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> | |
40 | #include <linux/i2c.h> | |
fde09509 | 41 | #include <linux/i2c-isa.h> |
1da177e4 LT |
42 | #include <linux/i2c-sensor.h> |
43 | #include <linux/i2c-vid.h> | |
943b0830 MH |
44 | #include <linux/hwmon.h> |
45 | #include <linux/err.h> | |
1da177e4 LT |
46 | #include <asm/io.h> |
47 | ||
48 | static unsigned short normal_i2c[] = { I2C_CLIENT_END }; | |
49 | static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; | |
50 | static struct i2c_force_data forces[] = {{ NULL }}; | |
51 | static u8 devid; | |
52 | static unsigned int extra_isa[3]; | |
53 | static u8 confreg[4]; | |
54 | ||
55 | enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 }; | |
56 | static struct i2c_address_data addr_data = { | |
57 | .normal_i2c = normal_i2c, | |
58 | .normal_isa = normal_isa, | |
59 | .forces = forces, | |
60 | }; | |
61 | ||
62 | static int init = 1; | |
63 | module_param(init, int, 0); | |
64 | MODULE_PARM_DESC(init, | |
65 | "Chip initialization level:\n" | |
66 | " 0: None\n" | |
67 | "*1: Forcibly enable internal voltage and temperature channels, except in9\n" | |
68 | " 2: Forcibly enable all voltage and temperature channels, except in9\n" | |
69 | " 3: Forcibly enable all voltage and temperature channels, including in9"); | |
70 | ||
71 | /* | |
72 | * Super-I/O registers and operations | |
73 | */ | |
74 | ||
75 | #define DEV 0x07 /* Register: Logical device select */ | |
76 | #define DEVID 0x20 /* Register: Device ID */ | |
77 | #define ACT 0x30 /* Register: Device activation */ | |
78 | #define BASE 0x60 /* Register: Base address */ | |
79 | ||
80 | #define FSCM 0x09 /* Logical device: fans */ | |
81 | #define VLM 0x0d /* Logical device: voltages */ | |
82 | #define TMS 0x0e /* Logical device: temperatures */ | |
83 | static const u8 logdev[3] = { FSCM, VLM, TMS }; | |
84 | ||
85 | #define LD_FAN 0 | |
86 | #define LD_IN 1 | |
87 | #define LD_TEMP 2 | |
88 | ||
89 | static inline void superio_outb(int sioaddr, int reg, int val) | |
90 | { | |
91 | outb(reg, sioaddr); | |
92 | outb(val, sioaddr+1); | |
93 | } | |
94 | ||
95 | static inline int superio_inb(int sioaddr, int reg) | |
96 | { | |
97 | outb(reg, sioaddr); | |
98 | return inb(sioaddr+1); | |
99 | } | |
100 | ||
101 | static inline void superio_exit(int sioaddr) | |
102 | { | |
103 | outb(0x02, sioaddr); | |
104 | outb(0x02, sioaddr+1); | |
105 | } | |
106 | ||
107 | /* | |
108 | * Logical devices | |
109 | */ | |
110 | ||
111 | #define PC87360_EXTENT 0x10 | |
112 | #define PC87365_REG_BANK 0x09 | |
113 | #define NO_BANK 0xff | |
114 | ||
115 | /* | |
116 | * Fan registers and conversions | |
117 | */ | |
118 | ||
119 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
120 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
121 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
122 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
123 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
124 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
125 | ||
126 | #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \ | |
127 | 480000 / ((val)*(div))) | |
128 | #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \ | |
129 | 480000 / ((val)*(div))) | |
130 | #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03)) | |
131 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) | |
132 | ||
133 | #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1) | |
134 | #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1) | |
135 | #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1) | |
136 | ||
137 | #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val)) | |
138 | static inline u8 PWM_TO_REG(int val, int inv) | |
139 | { | |
140 | if (inv) | |
141 | val = 255 - val; | |
142 | if (val < 0) | |
143 | return 0; | |
144 | if (val > 255) | |
145 | return 255; | |
146 | return val; | |
147 | } | |
148 | ||
149 | /* | |
150 | * Voltage registers and conversions | |
151 | */ | |
152 | ||
153 | #define PC87365_REG_IN_CONVRATE 0x07 | |
154 | #define PC87365_REG_IN_CONFIG 0x08 | |
155 | #define PC87365_REG_IN 0x0B | |
156 | #define PC87365_REG_IN_MIN 0x0D | |
157 | #define PC87365_REG_IN_MAX 0x0C | |
158 | #define PC87365_REG_IN_STATUS 0x0A | |
159 | #define PC87365_REG_IN_ALARMS1 0x00 | |
160 | #define PC87365_REG_IN_ALARMS2 0x01 | |
161 | #define PC87365_REG_VID 0x06 | |
162 | ||
163 | #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256) | |
164 | #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \ | |
165 | (val)*256 >= (ref)*255 ? 255: \ | |
166 | ((val) * 256 + (ref)/2) / (ref)) | |
167 | ||
168 | /* | |
169 | * Temperature registers and conversions | |
170 | */ | |
171 | ||
172 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
173 | #define PC87365_REG_TEMP 0x0B | |
174 | #define PC87365_REG_TEMP_MIN 0x0D | |
175 | #define PC87365_REG_TEMP_MAX 0x0C | |
176 | #define PC87365_REG_TEMP_CRIT 0x0E | |
177 | #define PC87365_REG_TEMP_STATUS 0x0A | |
178 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
179 | ||
180 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
181 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
182 | (val) > 127000 ? 127 : \ | |
183 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
184 | ((val) + 500) / 1000) | |
185 | ||
186 | /* | |
187 | * Client data (each client gets its own) | |
188 | */ | |
189 | ||
190 | struct pc87360_data { | |
191 | struct i2c_client client; | |
943b0830 | 192 | struct class_device *class_dev; |
1da177e4 LT |
193 | struct semaphore lock; |
194 | struct semaphore update_lock; | |
195 | char valid; /* !=0 if following fields are valid */ | |
196 | unsigned long last_updated; /* In jiffies */ | |
197 | ||
198 | int address[3]; | |
199 | ||
200 | u8 fannr, innr, tempnr; | |
201 | ||
202 | u8 fan[3]; /* Register value */ | |
203 | u8 fan_min[3]; /* Register value */ | |
204 | u8 fan_status[3]; /* Register value */ | |
205 | u8 pwm[3]; /* Register value */ | |
206 | u16 fan_conf; /* Configuration register values, combined */ | |
207 | ||
208 | u16 in_vref; /* 1 mV/bit */ | |
209 | u8 in[14]; /* Register value */ | |
210 | u8 in_min[14]; /* Register value */ | |
211 | u8 in_max[14]; /* Register value */ | |
212 | u8 in_crit[3]; /* Register value */ | |
213 | u8 in_status[14]; /* Register value */ | |
214 | u16 in_alarms; /* Register values, combined, masked */ | |
215 | u8 vid_conf; /* Configuration register value */ | |
216 | u8 vrm; | |
217 | u8 vid; /* Register value */ | |
218 | ||
219 | s8 temp[3]; /* Register value */ | |
220 | s8 temp_min[3]; /* Register value */ | |
221 | s8 temp_max[3]; /* Register value */ | |
222 | s8 temp_crit[3]; /* Register value */ | |
223 | u8 temp_status[3]; /* Register value */ | |
224 | u8 temp_alarms; /* Register value, masked */ | |
225 | }; | |
226 | ||
227 | /* | |
228 | * Functions declaration | |
229 | */ | |
230 | ||
231 | static int pc87360_attach_adapter(struct i2c_adapter *adapter); | |
232 | static int pc87360_detect(struct i2c_adapter *adapter, int address, int kind); | |
233 | static int pc87360_detach_client(struct i2c_client *client); | |
234 | ||
235 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
236 | u8 reg); | |
237 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
238 | u8 reg, u8 value); | |
239 | static void pc87360_init_client(struct i2c_client *client, int use_thermistors); | |
240 | static struct pc87360_data *pc87360_update_device(struct device *dev); | |
241 | ||
242 | /* | |
243 | * Driver data (common to all clients) | |
244 | */ | |
245 | ||
246 | static struct i2c_driver pc87360_driver = { | |
247 | .owner = THIS_MODULE, | |
248 | .name = "pc87360", | |
249 | .flags = I2C_DF_NOTIFY, | |
250 | .attach_adapter = pc87360_attach_adapter, | |
251 | .detach_client = pc87360_detach_client, | |
252 | }; | |
253 | ||
254 | /* | |
255 | * Sysfs stuff | |
256 | */ | |
257 | ||
258 | static ssize_t set_fan_min(struct device *dev, const char *buf, | |
259 | size_t count, int nr) | |
260 | { | |
261 | struct i2c_client *client = to_i2c_client(dev); | |
262 | struct pc87360_data *data = i2c_get_clientdata(client); | |
263 | long fan_min = simple_strtol(buf, NULL, 10); | |
264 | ||
265 | down(&data->update_lock); | |
266 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr])); | |
267 | ||
268 | /* If it wouldn't fit, change clock divisor */ | |
269 | while (fan_min > 255 | |
270 | && (data->fan_status[nr] & 0x60) != 0x60) { | |
271 | fan_min >>= 1; | |
272 | data->fan[nr] >>= 1; | |
273 | data->fan_status[nr] += 0x20; | |
274 | } | |
275 | data->fan_min[nr] = fan_min > 255 ? 255 : fan_min; | |
276 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr), | |
277 | data->fan_min[nr]); | |
278 | ||
279 | /* Write new divider, preserve alarm bits */ | |
280 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr), | |
281 | data->fan_status[nr] & 0xF9); | |
282 | up(&data->update_lock); | |
283 | ||
284 | return count; | |
285 | } | |
286 | ||
287 | #define show_and_set_fan(offset) \ | |
a5099cfc | 288 | static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
289 | { \ |
290 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
291 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[offset-1], \ | |
292 | FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \ | |
293 | } \ | |
a5099cfc | 294 | static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
295 | { \ |
296 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
297 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[offset-1], \ | |
298 | FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \ | |
299 | } \ | |
a5099cfc | 300 | static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
301 | { \ |
302 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
303 | return sprintf(buf, "%u\n", \ | |
304 | FAN_DIV_FROM_REG(data->fan_status[offset-1])); \ | |
305 | } \ | |
a5099cfc | 306 | static ssize_t show_fan##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
307 | { \ |
308 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
309 | return sprintf(buf, "%u\n", \ | |
310 | FAN_STATUS_FROM_REG(data->fan_status[offset-1])); \ | |
311 | } \ | |
a5099cfc | 312 | static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
313 | size_t count) \ |
314 | { \ | |
315 | return set_fan_min(dev, buf, count, offset-1); \ | |
316 | } \ | |
317 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ | |
318 | show_fan##offset##_input, NULL); \ | |
319 | static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \ | |
320 | show_fan##offset##_min, set_fan##offset##_min); \ | |
321 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \ | |
322 | show_fan##offset##_div, NULL); \ | |
323 | static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \ | |
324 | show_fan##offset##_status, NULL); | |
325 | show_and_set_fan(1) | |
326 | show_and_set_fan(2) | |
327 | show_and_set_fan(3) | |
328 | ||
329 | #define show_and_set_pwm(offset) \ | |
a5099cfc | 330 | static ssize_t show_pwm##offset(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
331 | { \ |
332 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
333 | return sprintf(buf, "%u\n", \ | |
334 | PWM_FROM_REG(data->pwm[offset-1], \ | |
335 | FAN_CONFIG_INVERT(data->fan_conf, \ | |
336 | offset-1))); \ | |
337 | } \ | |
a5099cfc | 338 | static ssize_t set_pwm##offset(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
339 | size_t count) \ |
340 | { \ | |
341 | struct i2c_client *client = to_i2c_client(dev); \ | |
342 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
343 | long val = simple_strtol(buf, NULL, 10); \ | |
344 | \ | |
345 | down(&data->update_lock); \ | |
346 | data->pwm[offset-1] = PWM_TO_REG(val, \ | |
347 | FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \ | |
348 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \ | |
349 | data->pwm[offset-1]); \ | |
350 | up(&data->update_lock); \ | |
351 | return count; \ | |
352 | } \ | |
353 | static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \ | |
354 | show_pwm##offset, set_pwm##offset); | |
355 | show_and_set_pwm(1) | |
356 | show_and_set_pwm(2) | |
357 | show_and_set_pwm(3) | |
358 | ||
359 | #define show_and_set_in(offset) \ | |
a5099cfc | 360 | static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
361 | { \ |
362 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
363 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ | |
364 | data->in_vref)); \ | |
365 | } \ | |
a5099cfc | 366 | static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
367 | { \ |
368 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
369 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ | |
370 | data->in_vref)); \ | |
371 | } \ | |
a5099cfc | 372 | static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
373 | { \ |
374 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
375 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ | |
376 | data->in_vref)); \ | |
377 | } \ | |
a5099cfc | 378 | static ssize_t show_in##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
379 | { \ |
380 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
381 | return sprintf(buf, "%u\n", data->in_status[offset]); \ | |
382 | } \ | |
a5099cfc | 383 | static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
384 | size_t count) \ |
385 | { \ | |
386 | struct i2c_client *client = to_i2c_client(dev); \ | |
387 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
388 | long val = simple_strtol(buf, NULL, 10); \ | |
389 | \ | |
390 | down(&data->update_lock); \ | |
391 | data->in_min[offset] = IN_TO_REG(val, data->in_vref); \ | |
392 | pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \ | |
393 | data->in_min[offset]); \ | |
394 | up(&data->update_lock); \ | |
395 | return count; \ | |
396 | } \ | |
a5099cfc | 397 | static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
398 | size_t count) \ |
399 | { \ | |
400 | struct i2c_client *client = to_i2c_client(dev); \ | |
401 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
402 | long val = simple_strtol(buf, NULL, 10); \ | |
403 | \ | |
404 | down(&data->update_lock); \ | |
405 | data->in_max[offset] = IN_TO_REG(val, \ | |
406 | data->in_vref); \ | |
407 | pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \ | |
408 | data->in_max[offset]); \ | |
409 | up(&data->update_lock); \ | |
410 | return count; \ | |
411 | } \ | |
412 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, \ | |
413 | show_in##offset##_input, NULL); \ | |
414 | static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \ | |
415 | show_in##offset##_min, set_in##offset##_min); \ | |
416 | static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \ | |
417 | show_in##offset##_max, set_in##offset##_max); \ | |
418 | static DEVICE_ATTR(in##offset##_status, S_IRUGO, \ | |
419 | show_in##offset##_status, NULL); | |
420 | show_and_set_in(0) | |
421 | show_and_set_in(1) | |
422 | show_and_set_in(2) | |
423 | show_and_set_in(3) | |
424 | show_and_set_in(4) | |
425 | show_and_set_in(5) | |
426 | show_and_set_in(6) | |
427 | show_and_set_in(7) | |
428 | show_and_set_in(8) | |
429 | show_and_set_in(9) | |
430 | show_and_set_in(10) | |
431 | ||
432 | #define show_and_set_therm(offset) \ | |
a5099cfc | 433 | static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
434 | { \ |
435 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
436 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \ | |
437 | data->in_vref)); \ | |
438 | } \ | |
a5099cfc | 439 | static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
440 | { \ |
441 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
442 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \ | |
443 | data->in_vref)); \ | |
444 | } \ | |
a5099cfc | 445 | static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
446 | { \ |
447 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
448 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \ | |
449 | data->in_vref)); \ | |
450 | } \ | |
a5099cfc | 451 | static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
452 | { \ |
453 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
454 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \ | |
455 | data->in_vref)); \ | |
456 | } \ | |
a5099cfc | 457 | static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
458 | { \ |
459 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
460 | return sprintf(buf, "%u\n", data->in_status[offset+7]); \ | |
461 | } \ | |
a5099cfc | 462 | static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
463 | size_t count) \ |
464 | { \ | |
465 | struct i2c_client *client = to_i2c_client(dev); \ | |
466 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
467 | long val = simple_strtol(buf, NULL, 10); \ | |
468 | \ | |
469 | down(&data->update_lock); \ | |
470 | data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \ | |
471 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \ | |
472 | data->in_min[offset+7]); \ | |
473 | up(&data->update_lock); \ | |
474 | return count; \ | |
475 | } \ | |
a5099cfc | 476 | static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
477 | size_t count) \ |
478 | { \ | |
479 | struct i2c_client *client = to_i2c_client(dev); \ | |
480 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
481 | long val = simple_strtol(buf, NULL, 10); \ | |
482 | \ | |
483 | down(&data->update_lock); \ | |
484 | data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \ | |
485 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \ | |
486 | data->in_max[offset+7]); \ | |
487 | up(&data->update_lock); \ | |
488 | return count; \ | |
489 | } \ | |
a5099cfc | 490 | static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
491 | size_t count) \ |
492 | { \ | |
493 | struct i2c_client *client = to_i2c_client(dev); \ | |
494 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
495 | long val = simple_strtol(buf, NULL, 10); \ | |
496 | \ | |
497 | down(&data->update_lock); \ | |
498 | data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \ | |
499 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \ | |
500 | data->in_crit[offset-4]); \ | |
501 | up(&data->update_lock); \ | |
502 | return count; \ | |
503 | } \ | |
504 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ | |
505 | show_temp##offset##_input, NULL); \ | |
506 | static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ | |
507 | show_temp##offset##_min, set_temp##offset##_min); \ | |
508 | static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ | |
509 | show_temp##offset##_max, set_temp##offset##_max); \ | |
510 | static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \ | |
511 | show_temp##offset##_crit, set_temp##offset##_crit); \ | |
512 | static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \ | |
513 | show_temp##offset##_status, NULL); | |
514 | show_and_set_therm(4) | |
515 | show_and_set_therm(5) | |
516 | show_and_set_therm(6) | |
517 | ||
a5099cfc | 518 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
519 | { |
520 | struct pc87360_data *data = pc87360_update_device(dev); | |
521 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
522 | } | |
523 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
524 | ||
a5099cfc | 525 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
526 | { |
527 | struct pc87360_data *data = pc87360_update_device(dev); | |
528 | return sprintf(buf, "%u\n", data->vrm); | |
529 | } | |
a5099cfc | 530 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
531 | { |
532 | struct i2c_client *client = to_i2c_client(dev); | |
533 | struct pc87360_data *data = i2c_get_clientdata(client); | |
534 | data->vrm = simple_strtoul(buf, NULL, 10); | |
535 | return count; | |
536 | } | |
537 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
538 | ||
a5099cfc | 539 | static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
540 | { |
541 | struct pc87360_data *data = pc87360_update_device(dev); | |
542 | return sprintf(buf, "%u\n", data->in_alarms); | |
543 | } | |
544 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
545 | ||
546 | #define show_and_set_temp(offset) \ | |
a5099cfc | 547 | static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
548 | { \ |
549 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
550 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ | |
551 | } \ | |
a5099cfc | 552 | static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
553 | { \ |
554 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
555 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \ | |
556 | } \ | |
a5099cfc | 557 | static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
558 | { \ |
559 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
560 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \ | |
561 | }\ | |
a5099cfc | 562 | static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
563 | { \ |
564 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
565 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \ | |
566 | }\ | |
a5099cfc | 567 | static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
568 | { \ |
569 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
570 | return sprintf(buf, "%d\n", data->temp_status[offset-1]); \ | |
571 | }\ | |
a5099cfc | 572 | static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
573 | size_t count) \ |
574 | { \ | |
575 | struct i2c_client *client = to_i2c_client(dev); \ | |
576 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
577 | long val = simple_strtol(buf, NULL, 10); \ | |
578 | \ | |
579 | down(&data->update_lock); \ | |
580 | data->temp_min[offset-1] = TEMP_TO_REG(val); \ | |
581 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \ | |
582 | data->temp_min[offset-1]); \ | |
583 | up(&data->update_lock); \ | |
584 | return count; \ | |
585 | } \ | |
a5099cfc | 586 | static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
587 | size_t count) \ |
588 | { \ | |
589 | struct i2c_client *client = to_i2c_client(dev); \ | |
590 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
591 | long val = simple_strtol(buf, NULL, 10); \ | |
592 | \ | |
593 | down(&data->update_lock); \ | |
594 | data->temp_max[offset-1] = TEMP_TO_REG(val); \ | |
595 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \ | |
596 | data->temp_max[offset-1]); \ | |
597 | up(&data->update_lock); \ | |
598 | return count; \ | |
599 | } \ | |
a5099cfc | 600 | static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
601 | size_t count) \ |
602 | { \ | |
603 | struct i2c_client *client = to_i2c_client(dev); \ | |
604 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
605 | long val = simple_strtol(buf, NULL, 10); \ | |
606 | \ | |
607 | down(&data->update_lock); \ | |
608 | data->temp_crit[offset-1] = TEMP_TO_REG(val); \ | |
609 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \ | |
610 | data->temp_crit[offset-1]); \ | |
611 | up(&data->update_lock); \ | |
612 | return count; \ | |
613 | } \ | |
614 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ | |
615 | show_temp##offset##_input, NULL); \ | |
616 | static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ | |
617 | show_temp##offset##_min, set_temp##offset##_min); \ | |
618 | static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ | |
619 | show_temp##offset##_max, set_temp##offset##_max); \ | |
620 | static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \ | |
621 | show_temp##offset##_crit, set_temp##offset##_crit); \ | |
622 | static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \ | |
623 | show_temp##offset##_status, NULL); | |
624 | show_and_set_temp(1) | |
625 | show_and_set_temp(2) | |
626 | show_and_set_temp(3) | |
627 | ||
a5099cfc | 628 | static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
629 | { |
630 | struct pc87360_data *data = pc87360_update_device(dev); | |
631 | return sprintf(buf, "%u\n", data->temp_alarms); | |
632 | } | |
633 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); | |
634 | ||
635 | /* | |
636 | * Device detection, registration and update | |
637 | */ | |
638 | ||
639 | static int pc87360_attach_adapter(struct i2c_adapter *adapter) | |
640 | { | |
641 | return i2c_detect(adapter, &addr_data, pc87360_detect); | |
642 | } | |
643 | ||
644 | static int pc87360_find(int sioaddr, u8 *devid, int *address) | |
645 | { | |
646 | u16 val; | |
647 | int i; | |
648 | int nrdev; /* logical device count */ | |
649 | ||
650 | /* No superio_enter */ | |
651 | ||
652 | /* Identify device */ | |
653 | val = superio_inb(sioaddr, DEVID); | |
654 | switch (val) { | |
655 | case 0xE1: /* PC87360 */ | |
656 | case 0xE8: /* PC87363 */ | |
657 | case 0xE4: /* PC87364 */ | |
658 | nrdev = 1; | |
659 | break; | |
660 | case 0xE5: /* PC87365 */ | |
661 | case 0xE9: /* PC87366 */ | |
662 | nrdev = 3; | |
663 | break; | |
664 | default: | |
665 | superio_exit(sioaddr); | |
666 | return -ENODEV; | |
667 | } | |
668 | /* Remember the device id */ | |
669 | *devid = val; | |
670 | ||
671 | for (i = 0; i < nrdev; i++) { | |
672 | /* select logical device */ | |
673 | superio_outb(sioaddr, DEV, logdev[i]); | |
674 | ||
675 | val = superio_inb(sioaddr, ACT); | |
676 | if (!(val & 0x01)) { | |
677 | printk(KERN_INFO "pc87360: Device 0x%02x not " | |
678 | "activated\n", logdev[i]); | |
679 | continue; | |
680 | } | |
681 | ||
682 | val = (superio_inb(sioaddr, BASE) << 8) | |
683 | | superio_inb(sioaddr, BASE + 1); | |
684 | if (!val) { | |
685 | printk(KERN_INFO "pc87360: Base address not set for " | |
686 | "device 0x%02x\n", logdev[i]); | |
687 | continue; | |
688 | } | |
689 | ||
690 | address[i] = val; | |
691 | ||
692 | if (i==0) { /* Fans */ | |
693 | confreg[0] = superio_inb(sioaddr, 0xF0); | |
694 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
695 | ||
696 | #ifdef DEBUG | |
697 | printk(KERN_DEBUG "pc87360: Fan 1: mon=%d " | |
698 | "ctrl=%d inv=%d\n", (confreg[0]>>2)&1, | |
699 | (confreg[0]>>3)&1, (confreg[0]>>4)&1); | |
700 | printk(KERN_DEBUG "pc87360: Fan 2: mon=%d " | |
701 | "ctrl=%d inv=%d\n", (confreg[0]>>5)&1, | |
702 | (confreg[0]>>6)&1, (confreg[0]>>7)&1); | |
703 | printk(KERN_DEBUG "pc87360: Fan 3: mon=%d " | |
704 | "ctrl=%d inv=%d\n", confreg[1]&1, | |
705 | (confreg[1]>>1)&1, (confreg[1]>>2)&1); | |
706 | #endif | |
707 | } else if (i==1) { /* Voltages */ | |
708 | /* Are we using thermistors? */ | |
709 | if (*devid == 0xE9) { /* PC87366 */ | |
710 | /* These registers are not logical-device | |
711 | specific, just that we won't need them if | |
712 | we don't use the VLM device */ | |
713 | confreg[2] = superio_inb(sioaddr, 0x2B); | |
714 | confreg[3] = superio_inb(sioaddr, 0x25); | |
715 | ||
716 | if (confreg[2] & 0x40) { | |
717 | printk(KERN_INFO "pc87360: Using " | |
718 | "thermistors for temperature " | |
719 | "monitoring\n"); | |
720 | } | |
721 | if (confreg[3] & 0xE0) { | |
722 | printk(KERN_INFO "pc87360: VID " | |
723 | "inputs routed (mode %u)\n", | |
724 | confreg[3] >> 5); | |
725 | } | |
726 | } | |
727 | } | |
728 | } | |
729 | ||
730 | superio_exit(sioaddr); | |
731 | return 0; | |
732 | } | |
733 | ||
734 | /* We don't really care about the address. | |
735 | Read from extra_isa instead. */ | |
736 | int pc87360_detect(struct i2c_adapter *adapter, int address, int kind) | |
737 | { | |
738 | int i; | |
739 | struct i2c_client *new_client; | |
740 | struct pc87360_data *data; | |
741 | int err = 0; | |
742 | const char *name = "pc87360"; | |
743 | int use_thermistors = 0; | |
744 | ||
745 | if (!i2c_is_isa_adapter(adapter)) | |
746 | return -ENODEV; | |
747 | ||
748 | if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL))) | |
749 | return -ENOMEM; | |
750 | memset(data, 0x00, sizeof(struct pc87360_data)); | |
751 | ||
752 | new_client = &data->client; | |
753 | i2c_set_clientdata(new_client, data); | |
754 | new_client->addr = address; | |
755 | init_MUTEX(&data->lock); | |
756 | new_client->adapter = adapter; | |
757 | new_client->driver = &pc87360_driver; | |
758 | new_client->flags = 0; | |
759 | ||
760 | data->fannr = 2; | |
761 | data->innr = 0; | |
762 | data->tempnr = 0; | |
763 | ||
764 | switch (devid) { | |
765 | case 0xe8: | |
766 | name = "pc87363"; | |
767 | break; | |
768 | case 0xe4: | |
769 | name = "pc87364"; | |
770 | data->fannr = 3; | |
771 | break; | |
772 | case 0xe5: | |
773 | name = "pc87365"; | |
774 | data->fannr = extra_isa[0] ? 3 : 0; | |
775 | data->innr = extra_isa[1] ? 11 : 0; | |
776 | data->tempnr = extra_isa[2] ? 2 : 0; | |
777 | break; | |
778 | case 0xe9: | |
779 | name = "pc87366"; | |
780 | data->fannr = extra_isa[0] ? 3 : 0; | |
781 | data->innr = extra_isa[1] ? 14 : 0; | |
782 | data->tempnr = extra_isa[2] ? 3 : 0; | |
783 | break; | |
784 | } | |
785 | ||
786 | strcpy(new_client->name, name); | |
787 | data->valid = 0; | |
788 | init_MUTEX(&data->update_lock); | |
789 | ||
790 | for (i = 0; i < 3; i++) { | |
791 | if (((data->address[i] = extra_isa[i])) | |
792 | && !request_region(extra_isa[i], PC87360_EXTENT, | |
793 | pc87360_driver.name)) { | |
794 | dev_err(&new_client->dev, "Region 0x%x-0x%x already " | |
795 | "in use!\n", extra_isa[i], | |
796 | extra_isa[i]+PC87360_EXTENT-1); | |
797 | for (i--; i >= 0; i--) | |
798 | release_region(extra_isa[i], PC87360_EXTENT); | |
799 | err = -EBUSY; | |
800 | goto ERROR1; | |
801 | } | |
802 | } | |
803 | ||
804 | /* Retrieve the fans configuration from Super-I/O space */ | |
805 | if (data->fannr) | |
806 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
807 | ||
808 | if ((err = i2c_attach_client(new_client))) | |
809 | goto ERROR2; | |
810 | ||
811 | /* Use the correct reference voltage | |
812 | Unless both the VLM and the TMS logical devices agree to | |
813 | use an external Vref, the internal one is used. */ | |
814 | if (data->innr) { | |
815 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
816 | PC87365_REG_IN_CONFIG); | |
817 | if (data->tempnr) { | |
818 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
819 | PC87365_REG_TEMP_CONFIG); | |
820 | } | |
821 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
822 | dev_dbg(&new_client->dev, "Using %s reference voltage\n", | |
823 | (i&0x02) ? "external" : "internal"); | |
824 | ||
825 | data->vid_conf = confreg[3]; | |
826 | data->vrm = 90; | |
827 | } | |
828 | ||
829 | /* Fan clock dividers may be needed before any data is read */ | |
830 | for (i = 0; i < data->fannr; i++) { | |
831 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
832 | data->fan_status[i] = pc87360_read_value(data, | |
833 | LD_FAN, NO_BANK, | |
834 | PC87360_REG_FAN_STATUS(i)); | |
835 | } | |
836 | ||
837 | if (init > 0) { | |
838 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
839 | use_thermistors = confreg[2] & 0x40; | |
840 | ||
841 | pc87360_init_client(new_client, use_thermistors); | |
842 | } | |
843 | ||
844 | /* Register sysfs hooks */ | |
943b0830 MH |
845 | data->class_dev = hwmon_device_register(&new_client->dev); |
846 | if (IS_ERR(data->class_dev)) { | |
847 | err = PTR_ERR(data->class_dev); | |
848 | goto ERROR3; | |
849 | } | |
850 | ||
1da177e4 LT |
851 | if (data->innr) { |
852 | device_create_file(&new_client->dev, &dev_attr_in0_input); | |
853 | device_create_file(&new_client->dev, &dev_attr_in1_input); | |
854 | device_create_file(&new_client->dev, &dev_attr_in2_input); | |
855 | device_create_file(&new_client->dev, &dev_attr_in3_input); | |
856 | device_create_file(&new_client->dev, &dev_attr_in4_input); | |
857 | device_create_file(&new_client->dev, &dev_attr_in5_input); | |
858 | device_create_file(&new_client->dev, &dev_attr_in6_input); | |
859 | device_create_file(&new_client->dev, &dev_attr_in7_input); | |
860 | device_create_file(&new_client->dev, &dev_attr_in8_input); | |
861 | device_create_file(&new_client->dev, &dev_attr_in9_input); | |
862 | device_create_file(&new_client->dev, &dev_attr_in10_input); | |
863 | device_create_file(&new_client->dev, &dev_attr_in0_min); | |
864 | device_create_file(&new_client->dev, &dev_attr_in1_min); | |
865 | device_create_file(&new_client->dev, &dev_attr_in2_min); | |
866 | device_create_file(&new_client->dev, &dev_attr_in3_min); | |
867 | device_create_file(&new_client->dev, &dev_attr_in4_min); | |
868 | device_create_file(&new_client->dev, &dev_attr_in5_min); | |
869 | device_create_file(&new_client->dev, &dev_attr_in6_min); | |
870 | device_create_file(&new_client->dev, &dev_attr_in7_min); | |
871 | device_create_file(&new_client->dev, &dev_attr_in8_min); | |
872 | device_create_file(&new_client->dev, &dev_attr_in9_min); | |
873 | device_create_file(&new_client->dev, &dev_attr_in10_min); | |
874 | device_create_file(&new_client->dev, &dev_attr_in0_max); | |
875 | device_create_file(&new_client->dev, &dev_attr_in1_max); | |
876 | device_create_file(&new_client->dev, &dev_attr_in2_max); | |
877 | device_create_file(&new_client->dev, &dev_attr_in3_max); | |
878 | device_create_file(&new_client->dev, &dev_attr_in4_max); | |
879 | device_create_file(&new_client->dev, &dev_attr_in5_max); | |
880 | device_create_file(&new_client->dev, &dev_attr_in6_max); | |
881 | device_create_file(&new_client->dev, &dev_attr_in7_max); | |
882 | device_create_file(&new_client->dev, &dev_attr_in8_max); | |
883 | device_create_file(&new_client->dev, &dev_attr_in9_max); | |
884 | device_create_file(&new_client->dev, &dev_attr_in10_max); | |
885 | device_create_file(&new_client->dev, &dev_attr_in0_status); | |
886 | device_create_file(&new_client->dev, &dev_attr_in1_status); | |
887 | device_create_file(&new_client->dev, &dev_attr_in2_status); | |
888 | device_create_file(&new_client->dev, &dev_attr_in3_status); | |
889 | device_create_file(&new_client->dev, &dev_attr_in4_status); | |
890 | device_create_file(&new_client->dev, &dev_attr_in5_status); | |
891 | device_create_file(&new_client->dev, &dev_attr_in6_status); | |
892 | device_create_file(&new_client->dev, &dev_attr_in7_status); | |
893 | device_create_file(&new_client->dev, &dev_attr_in8_status); | |
894 | device_create_file(&new_client->dev, &dev_attr_in9_status); | |
895 | device_create_file(&new_client->dev, &dev_attr_in10_status); | |
896 | ||
897 | device_create_file(&new_client->dev, &dev_attr_cpu0_vid); | |
898 | device_create_file(&new_client->dev, &dev_attr_vrm); | |
899 | device_create_file(&new_client->dev, &dev_attr_alarms_in); | |
900 | } | |
901 | ||
902 | if (data->tempnr) { | |
903 | device_create_file(&new_client->dev, &dev_attr_temp1_input); | |
904 | device_create_file(&new_client->dev, &dev_attr_temp2_input); | |
905 | device_create_file(&new_client->dev, &dev_attr_temp1_min); | |
906 | device_create_file(&new_client->dev, &dev_attr_temp2_min); | |
907 | device_create_file(&new_client->dev, &dev_attr_temp1_max); | |
908 | device_create_file(&new_client->dev, &dev_attr_temp2_max); | |
909 | device_create_file(&new_client->dev, &dev_attr_temp1_crit); | |
910 | device_create_file(&new_client->dev, &dev_attr_temp2_crit); | |
911 | device_create_file(&new_client->dev, &dev_attr_temp1_status); | |
912 | device_create_file(&new_client->dev, &dev_attr_temp2_status); | |
913 | ||
914 | device_create_file(&new_client->dev, &dev_attr_alarms_temp); | |
915 | } | |
916 | if (data->tempnr == 3) { | |
917 | device_create_file(&new_client->dev, &dev_attr_temp3_input); | |
918 | device_create_file(&new_client->dev, &dev_attr_temp3_min); | |
919 | device_create_file(&new_client->dev, &dev_attr_temp3_max); | |
920 | device_create_file(&new_client->dev, &dev_attr_temp3_crit); | |
921 | device_create_file(&new_client->dev, &dev_attr_temp3_status); | |
922 | } | |
923 | if (data->innr == 14) { | |
924 | device_create_file(&new_client->dev, &dev_attr_temp4_input); | |
925 | device_create_file(&new_client->dev, &dev_attr_temp5_input); | |
926 | device_create_file(&new_client->dev, &dev_attr_temp6_input); | |
927 | device_create_file(&new_client->dev, &dev_attr_temp4_min); | |
928 | device_create_file(&new_client->dev, &dev_attr_temp5_min); | |
929 | device_create_file(&new_client->dev, &dev_attr_temp6_min); | |
930 | device_create_file(&new_client->dev, &dev_attr_temp4_max); | |
931 | device_create_file(&new_client->dev, &dev_attr_temp5_max); | |
932 | device_create_file(&new_client->dev, &dev_attr_temp6_max); | |
933 | device_create_file(&new_client->dev, &dev_attr_temp4_crit); | |
934 | device_create_file(&new_client->dev, &dev_attr_temp5_crit); | |
935 | device_create_file(&new_client->dev, &dev_attr_temp6_crit); | |
936 | device_create_file(&new_client->dev, &dev_attr_temp4_status); | |
937 | device_create_file(&new_client->dev, &dev_attr_temp5_status); | |
938 | device_create_file(&new_client->dev, &dev_attr_temp6_status); | |
939 | } | |
940 | ||
941 | if (data->fannr) { | |
942 | if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) { | |
943 | device_create_file(&new_client->dev, | |
944 | &dev_attr_fan1_input); | |
945 | device_create_file(&new_client->dev, | |
946 | &dev_attr_fan1_min); | |
947 | device_create_file(&new_client->dev, | |
948 | &dev_attr_fan1_div); | |
949 | device_create_file(&new_client->dev, | |
950 | &dev_attr_fan1_status); | |
951 | } | |
952 | ||
953 | if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) { | |
954 | device_create_file(&new_client->dev, | |
955 | &dev_attr_fan2_input); | |
956 | device_create_file(&new_client->dev, | |
957 | &dev_attr_fan2_min); | |
958 | device_create_file(&new_client->dev, | |
959 | &dev_attr_fan2_div); | |
960 | device_create_file(&new_client->dev, | |
961 | &dev_attr_fan2_status); | |
962 | } | |
963 | ||
964 | if (FAN_CONFIG_CONTROL(data->fan_conf, 0)) | |
965 | device_create_file(&new_client->dev, &dev_attr_pwm1); | |
966 | if (FAN_CONFIG_CONTROL(data->fan_conf, 1)) | |
967 | device_create_file(&new_client->dev, &dev_attr_pwm2); | |
968 | } | |
969 | if (data->fannr == 3) { | |
970 | if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) { | |
971 | device_create_file(&new_client->dev, | |
972 | &dev_attr_fan3_input); | |
973 | device_create_file(&new_client->dev, | |
974 | &dev_attr_fan3_min); | |
975 | device_create_file(&new_client->dev, | |
976 | &dev_attr_fan3_div); | |
977 | device_create_file(&new_client->dev, | |
978 | &dev_attr_fan3_status); | |
979 | } | |
980 | ||
981 | if (FAN_CONFIG_CONTROL(data->fan_conf, 2)) | |
982 | device_create_file(&new_client->dev, &dev_attr_pwm3); | |
983 | } | |
984 | ||
985 | return 0; | |
986 | ||
943b0830 MH |
987 | ERROR3: |
988 | i2c_detach_client(new_client); | |
1da177e4 LT |
989 | ERROR2: |
990 | for (i = 0; i < 3; i++) { | |
991 | if (data->address[i]) { | |
992 | release_region(data->address[i], PC87360_EXTENT); | |
993 | } | |
994 | } | |
995 | ERROR1: | |
996 | kfree(data); | |
997 | return err; | |
998 | } | |
999 | ||
1000 | static int pc87360_detach_client(struct i2c_client *client) | |
1001 | { | |
1002 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1003 | int i; | |
1004 | ||
943b0830 MH |
1005 | hwmon_device_unregister(data->class_dev); |
1006 | ||
1da177e4 LT |
1007 | if ((i = i2c_detach_client(client))) { |
1008 | dev_err(&client->dev, "Client deregistration failed, " | |
1009 | "client not detached.\n"); | |
1010 | return i; | |
1011 | } | |
1012 | ||
1013 | for (i = 0; i < 3; i++) { | |
1014 | if (data->address[i]) { | |
1015 | release_region(data->address[i], PC87360_EXTENT); | |
1016 | } | |
1017 | } | |
1018 | kfree(data); | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | /* ldi is the logical device index | |
1024 | bank is for voltages and temperatures only */ | |
1025 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1026 | u8 reg) | |
1027 | { | |
1028 | int res; | |
1029 | ||
1030 | down(&(data->lock)); | |
1031 | if (bank != NO_BANK) | |
1032 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1033 | res = inb_p(data->address[ldi] + reg); | |
1034 | up(&(data->lock)); | |
1035 | ||
1036 | return res; | |
1037 | } | |
1038 | ||
1039 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1040 | u8 reg, u8 value) | |
1041 | { | |
1042 | down(&(data->lock)); | |
1043 | if (bank != NO_BANK) | |
1044 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1045 | outb_p(value, data->address[ldi] + reg); | |
1046 | up(&(data->lock)); | |
1047 | } | |
1048 | ||
1049 | static void pc87360_init_client(struct i2c_client *client, int use_thermistors) | |
1050 | { | |
1051 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1052 | int i, nr; | |
1053 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1054 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1055 | u8 reg; | |
1056 | ||
1057 | if (init >= 2 && data->innr) { | |
1058 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1059 | PC87365_REG_IN_CONVRATE); | |
368609c5 | 1060 | dev_info(&client->dev, "VLM conversion set to " |
1da177e4 LT |
1061 | "1s period, 160us delay\n"); |
1062 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1063 | PC87365_REG_IN_CONVRATE, | |
1064 | (reg & 0xC0) | 0x11); | |
1065 | } | |
1066 | ||
1067 | nr = data->innr < 11 ? data->innr : 11; | |
1068 | for (i=0; i<nr; i++) { | |
1069 | if (init >= init_in[i]) { | |
1070 | /* Forcibly enable voltage channel */ | |
1071 | reg = pc87360_read_value(data, LD_IN, i, | |
1072 | PC87365_REG_IN_STATUS); | |
1073 | if (!(reg & 0x01)) { | |
1074 | dev_dbg(&client->dev, "Forcibly " | |
1075 | "enabling in%d\n", i); | |
1076 | pc87360_write_value(data, LD_IN, i, | |
1077 | PC87365_REG_IN_STATUS, | |
1078 | (reg & 0x68) | 0x87); | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | /* We can't blindly trust the Super-I/O space configuration bit, | |
1084 | most BIOS won't set it properly */ | |
1085 | for (i=11; i<data->innr; i++) { | |
1086 | reg = pc87360_read_value(data, LD_IN, i, | |
1087 | PC87365_REG_TEMP_STATUS); | |
1088 | use_thermistors = use_thermistors || (reg & 0x01); | |
1089 | } | |
1090 | ||
1091 | i = use_thermistors ? 2 : 0; | |
1092 | for (; i<data->tempnr; i++) { | |
1093 | if (init >= init_temp[i]) { | |
1094 | /* Forcibly enable temperature channel */ | |
1095 | reg = pc87360_read_value(data, LD_TEMP, i, | |
1096 | PC87365_REG_TEMP_STATUS); | |
1097 | if (!(reg & 0x01)) { | |
1098 | dev_dbg(&client->dev, "Forcibly " | |
1099 | "enabling temp%d\n", i+1); | |
1100 | pc87360_write_value(data, LD_TEMP, i, | |
1101 | PC87365_REG_TEMP_STATUS, | |
1102 | 0xCF); | |
1103 | } | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | if (use_thermistors) { | |
1108 | for (i=11; i<data->innr; i++) { | |
1109 | if (init >= init_in[i]) { | |
1110 | /* The pin may already be used by thermal | |
1111 | diodes */ | |
1112 | reg = pc87360_read_value(data, LD_TEMP, | |
1113 | (i-11)/2, PC87365_REG_TEMP_STATUS); | |
1114 | if (reg & 0x01) { | |
1115 | dev_dbg(&client->dev, "Skipping " | |
1116 | "temp%d, pin already in use " | |
1117 | "by temp%d\n", i-7, (i-11)/2); | |
1118 | continue; | |
1119 | } | |
1120 | ||
1121 | /* Forcibly enable thermistor channel */ | |
1122 | reg = pc87360_read_value(data, LD_IN, i, | |
1123 | PC87365_REG_IN_STATUS); | |
1124 | if (!(reg & 0x01)) { | |
1125 | dev_dbg(&client->dev, "Forcibly " | |
1126 | "enabling temp%d\n", i-7); | |
1127 | pc87360_write_value(data, LD_IN, i, | |
1128 | PC87365_REG_TEMP_STATUS, | |
1129 | (reg & 0x60) | 0x8F); | |
1130 | } | |
1131 | } | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | if (data->innr) { | |
1136 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1137 | PC87365_REG_IN_CONFIG); | |
1138 | if (reg & 0x01) { | |
1139 | dev_dbg(&client->dev, "Forcibly " | |
1140 | "enabling monitoring (VLM)\n"); | |
1141 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1142 | PC87365_REG_IN_CONFIG, | |
1143 | reg & 0xFE); | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | if (data->tempnr) { | |
1148 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1149 | PC87365_REG_TEMP_CONFIG); | |
1150 | if (reg & 0x01) { | |
1151 | dev_dbg(&client->dev, "Forcibly enabling " | |
1152 | "monitoring (TMS)\n"); | |
1153 | pc87360_write_value(data, LD_TEMP, NO_BANK, | |
1154 | PC87365_REG_TEMP_CONFIG, | |
1155 | reg & 0xFE); | |
1156 | } | |
1157 | ||
1158 | if (init >= 2) { | |
1159 | /* Chip config as documented by National Semi. */ | |
1160 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
1161 | /* We voluntarily omit the bank here, in case the | |
1162 | sequence itself matters. It shouldn't be a problem, | |
1163 | since nobody else is supposed to access the | |
1164 | device at that point. */ | |
1165 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); | |
1166 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1167 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1168 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1169 | } | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | static void pc87360_autodiv(struct i2c_client *client, int nr) | |
1174 | { | |
1175 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1176 | u8 old_min = data->fan_min[nr]; | |
1177 | ||
1178 | /* Increase clock divider if needed and possible */ | |
1179 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1180 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1181 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1182 | data->fan_status[nr] += 0x20; | |
1183 | data->fan_min[nr] >>= 1; | |
1184 | data->fan[nr] >>= 1; | |
1185 | dev_dbg(&client->dev, "Increasing " | |
1186 | "clock divider to %d for fan %d\n", | |
1187 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1); | |
1188 | } | |
1189 | } else { | |
1190 | /* Decrease clock divider if possible */ | |
1191 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1192 | && data->fan[nr] < 85 /* bad accuracy */ | |
1193 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1194 | data->fan_status[nr] -= 0x20; | |
1195 | data->fan_min[nr] <<= 1; | |
1196 | data->fan[nr] <<= 1; | |
1197 | dev_dbg(&client->dev, "Decreasing " | |
1198 | "clock divider to %d for fan %d\n", | |
1199 | FAN_DIV_FROM_REG(data->fan_status[nr]), | |
1200 | nr+1); | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | /* Write new fan min if it changed */ | |
1205 | if (old_min != data->fan_min[nr]) { | |
1206 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1207 | PC87360_REG_FAN_MIN(nr), | |
1208 | data->fan_min[nr]); | |
1209 | } | |
1210 | } | |
1211 | ||
1212 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1213 | { | |
1214 | struct i2c_client *client = to_i2c_client(dev); | |
1215 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1216 | u8 i; | |
1217 | ||
1218 | down(&data->update_lock); | |
1219 | ||
1220 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
1221 | dev_dbg(&client->dev, "Data update\n"); | |
1222 | ||
1223 | /* Fans */ | |
1224 | for (i = 0; i < data->fannr; i++) { | |
1225 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1226 | data->fan_status[i] = | |
1227 | pc87360_read_value(data, LD_FAN, | |
1228 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1229 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1230 | NO_BANK, PC87360_REG_FAN(i)); | |
1231 | data->fan_min[i] = pc87360_read_value(data, | |
1232 | LD_FAN, NO_BANK, | |
1233 | PC87360_REG_FAN_MIN(i)); | |
1234 | /* Change clock divider if needed */ | |
1235 | pc87360_autodiv(client, i); | |
1236 | /* Clear bits and write new divider */ | |
1237 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1238 | PC87360_REG_FAN_STATUS(i), | |
1239 | data->fan_status[i]); | |
1240 | } | |
1241 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1242 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1243 | NO_BANK, PC87360_REG_PWM(i)); | |
1244 | } | |
1245 | ||
1246 | /* Voltages */ | |
1247 | for (i = 0; i < data->innr; i++) { | |
1248 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1249 | PC87365_REG_IN_STATUS); | |
1250 | /* Clear bits */ | |
1251 | pc87360_write_value(data, LD_IN, i, | |
1252 | PC87365_REG_IN_STATUS, | |
1253 | data->in_status[i]); | |
1254 | if ((data->in_status[i] & 0x81) == 0x81) { | |
1255 | data->in[i] = pc87360_read_value(data, LD_IN, | |
1256 | i, PC87365_REG_IN); | |
1257 | } | |
1258 | if (data->in_status[i] & 0x01) { | |
1259 | data->in_min[i] = pc87360_read_value(data, | |
1260 | LD_IN, i, | |
1261 | PC87365_REG_IN_MIN); | |
1262 | data->in_max[i] = pc87360_read_value(data, | |
1263 | LD_IN, i, | |
1264 | PC87365_REG_IN_MAX); | |
1265 | if (i >= 11) | |
1266 | data->in_crit[i-11] = | |
1267 | pc87360_read_value(data, LD_IN, | |
1268 | i, PC87365_REG_TEMP_CRIT); | |
1269 | } | |
1270 | } | |
1271 | if (data->innr) { | |
1272 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1273 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1274 | | ((pc87360_read_value(data, LD_IN, | |
1275 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1276 | & 0x07) << 8); | |
1277 | data->vid = (data->vid_conf & 0xE0) ? | |
1278 | pc87360_read_value(data, LD_IN, | |
1279 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1280 | } | |
1281 | ||
1282 | /* Temperatures */ | |
1283 | for (i = 0; i < data->tempnr; i++) { | |
1284 | data->temp_status[i] = pc87360_read_value(data, | |
1285 | LD_TEMP, i, | |
1286 | PC87365_REG_TEMP_STATUS); | |
1287 | /* Clear bits */ | |
1288 | pc87360_write_value(data, LD_TEMP, i, | |
1289 | PC87365_REG_TEMP_STATUS, | |
1290 | data->temp_status[i]); | |
1291 | if ((data->temp_status[i] & 0x81) == 0x81) { | |
1292 | data->temp[i] = pc87360_read_value(data, | |
1293 | LD_TEMP, i, | |
1294 | PC87365_REG_TEMP); | |
1295 | } | |
1296 | if (data->temp_status[i] & 0x01) { | |
1297 | data->temp_min[i] = pc87360_read_value(data, | |
1298 | LD_TEMP, i, | |
1299 | PC87365_REG_TEMP_MIN); | |
1300 | data->temp_max[i] = pc87360_read_value(data, | |
1301 | LD_TEMP, i, | |
1302 | PC87365_REG_TEMP_MAX); | |
1303 | data->temp_crit[i] = pc87360_read_value(data, | |
1304 | LD_TEMP, i, | |
1305 | PC87365_REG_TEMP_CRIT); | |
1306 | } | |
1307 | } | |
1308 | if (data->tempnr) { | |
1309 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1310 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1311 | & 0x3F; | |
1312 | } | |
1313 | ||
1314 | data->last_updated = jiffies; | |
1315 | data->valid = 1; | |
1316 | } | |
1317 | ||
1318 | up(&data->update_lock); | |
1319 | ||
1320 | return data; | |
1321 | } | |
1322 | ||
1323 | static int __init pc87360_init(void) | |
1324 | { | |
1325 | int i; | |
1326 | ||
1327 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1328 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
1329 | printk(KERN_WARNING "pc87360: PC8736x not detected, " | |
1330 | "module not inserted.\n"); | |
1331 | return -ENODEV; | |
1332 | } | |
1333 | ||
1334 | /* Arbitrarily pick one of the addresses */ | |
1335 | for (i = 0; i < 3; i++) { | |
1336 | if (extra_isa[i] != 0x0000) { | |
1337 | normal_isa[0] = extra_isa[i]; | |
1338 | break; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | if (normal_isa[0] == 0x0000) { | |
1343 | printk(KERN_WARNING "pc87360: No active logical device, " | |
1344 | "module not inserted.\n"); | |
1345 | return -ENODEV; | |
1346 | } | |
1347 | ||
fde09509 | 1348 | return i2c_isa_add_driver(&pc87360_driver); |
1da177e4 LT |
1349 | } |
1350 | ||
1351 | static void __exit pc87360_exit(void) | |
1352 | { | |
fde09509 | 1353 | i2c_isa_del_driver(&pc87360_driver); |
1da177e4 LT |
1354 | } |
1355 | ||
1356 | ||
1357 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1358 | MODULE_DESCRIPTION("PC8736x hardware monitor"); | |
1359 | MODULE_LICENSE("GPL"); | |
1360 | ||
1361 | module_init(pc87360_init); | |
1362 | module_exit(pc87360_exit); |