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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> | |
41 | #include <linux/i2c-sensor.h> | |
42 | #include <linux/i2c-vid.h> | |
43 | #include <asm/io.h> | |
44 | ||
45 | static unsigned short normal_i2c[] = { I2C_CLIENT_END }; | |
46 | static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; | |
47 | static struct i2c_force_data forces[] = {{ NULL }}; | |
48 | static u8 devid; | |
49 | static unsigned int extra_isa[3]; | |
50 | static u8 confreg[4]; | |
51 | ||
52 | enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 }; | |
53 | static struct i2c_address_data addr_data = { | |
54 | .normal_i2c = normal_i2c, | |
55 | .normal_isa = normal_isa, | |
56 | .forces = forces, | |
57 | }; | |
58 | ||
59 | static int init = 1; | |
60 | module_param(init, int, 0); | |
61 | MODULE_PARM_DESC(init, | |
62 | "Chip initialization level:\n" | |
63 | " 0: None\n" | |
64 | "*1: Forcibly enable internal voltage and temperature channels, except in9\n" | |
65 | " 2: Forcibly enable all voltage and temperature channels, except in9\n" | |
66 | " 3: Forcibly enable all voltage and temperature channels, including in9"); | |
67 | ||
68 | /* | |
69 | * Super-I/O registers and operations | |
70 | */ | |
71 | ||
72 | #define DEV 0x07 /* Register: Logical device select */ | |
73 | #define DEVID 0x20 /* Register: Device ID */ | |
74 | #define ACT 0x30 /* Register: Device activation */ | |
75 | #define BASE 0x60 /* Register: Base address */ | |
76 | ||
77 | #define FSCM 0x09 /* Logical device: fans */ | |
78 | #define VLM 0x0d /* Logical device: voltages */ | |
79 | #define TMS 0x0e /* Logical device: temperatures */ | |
80 | static const u8 logdev[3] = { FSCM, VLM, TMS }; | |
81 | ||
82 | #define LD_FAN 0 | |
83 | #define LD_IN 1 | |
84 | #define LD_TEMP 2 | |
85 | ||
86 | static inline void superio_outb(int sioaddr, int reg, int val) | |
87 | { | |
88 | outb(reg, sioaddr); | |
89 | outb(val, sioaddr+1); | |
90 | } | |
91 | ||
92 | static inline int superio_inb(int sioaddr, int reg) | |
93 | { | |
94 | outb(reg, sioaddr); | |
95 | return inb(sioaddr+1); | |
96 | } | |
97 | ||
98 | static inline void superio_exit(int sioaddr) | |
99 | { | |
100 | outb(0x02, sioaddr); | |
101 | outb(0x02, sioaddr+1); | |
102 | } | |
103 | ||
104 | /* | |
105 | * Logical devices | |
106 | */ | |
107 | ||
108 | #define PC87360_EXTENT 0x10 | |
109 | #define PC87365_REG_BANK 0x09 | |
110 | #define NO_BANK 0xff | |
111 | ||
112 | /* | |
113 | * Fan registers and conversions | |
114 | */ | |
115 | ||
116 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
117 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
118 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
119 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
120 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
121 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
122 | ||
123 | #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \ | |
124 | 480000 / ((val)*(div))) | |
125 | #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \ | |
126 | 480000 / ((val)*(div))) | |
127 | #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03)) | |
128 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) | |
129 | ||
130 | #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1) | |
131 | #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1) | |
132 | #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1) | |
133 | ||
134 | #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val)) | |
135 | static inline u8 PWM_TO_REG(int val, int inv) | |
136 | { | |
137 | if (inv) | |
138 | val = 255 - val; | |
139 | if (val < 0) | |
140 | return 0; | |
141 | if (val > 255) | |
142 | return 255; | |
143 | return val; | |
144 | } | |
145 | ||
146 | /* | |
147 | * Voltage registers and conversions | |
148 | */ | |
149 | ||
150 | #define PC87365_REG_IN_CONVRATE 0x07 | |
151 | #define PC87365_REG_IN_CONFIG 0x08 | |
152 | #define PC87365_REG_IN 0x0B | |
153 | #define PC87365_REG_IN_MIN 0x0D | |
154 | #define PC87365_REG_IN_MAX 0x0C | |
155 | #define PC87365_REG_IN_STATUS 0x0A | |
156 | #define PC87365_REG_IN_ALARMS1 0x00 | |
157 | #define PC87365_REG_IN_ALARMS2 0x01 | |
158 | #define PC87365_REG_VID 0x06 | |
159 | ||
160 | #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256) | |
161 | #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \ | |
162 | (val)*256 >= (ref)*255 ? 255: \ | |
163 | ((val) * 256 + (ref)/2) / (ref)) | |
164 | ||
165 | /* | |
166 | * Temperature registers and conversions | |
167 | */ | |
168 | ||
169 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
170 | #define PC87365_REG_TEMP 0x0B | |
171 | #define PC87365_REG_TEMP_MIN 0x0D | |
172 | #define PC87365_REG_TEMP_MAX 0x0C | |
173 | #define PC87365_REG_TEMP_CRIT 0x0E | |
174 | #define PC87365_REG_TEMP_STATUS 0x0A | |
175 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
176 | ||
177 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
178 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
179 | (val) > 127000 ? 127 : \ | |
180 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
181 | ((val) + 500) / 1000) | |
182 | ||
183 | /* | |
184 | * Client data (each client gets its own) | |
185 | */ | |
186 | ||
187 | struct pc87360_data { | |
188 | struct i2c_client client; | |
189 | struct semaphore lock; | |
190 | struct semaphore update_lock; | |
191 | char valid; /* !=0 if following fields are valid */ | |
192 | unsigned long last_updated; /* In jiffies */ | |
193 | ||
194 | int address[3]; | |
195 | ||
196 | u8 fannr, innr, tempnr; | |
197 | ||
198 | u8 fan[3]; /* Register value */ | |
199 | u8 fan_min[3]; /* Register value */ | |
200 | u8 fan_status[3]; /* Register value */ | |
201 | u8 pwm[3]; /* Register value */ | |
202 | u16 fan_conf; /* Configuration register values, combined */ | |
203 | ||
204 | u16 in_vref; /* 1 mV/bit */ | |
205 | u8 in[14]; /* Register value */ | |
206 | u8 in_min[14]; /* Register value */ | |
207 | u8 in_max[14]; /* Register value */ | |
208 | u8 in_crit[3]; /* Register value */ | |
209 | u8 in_status[14]; /* Register value */ | |
210 | u16 in_alarms; /* Register values, combined, masked */ | |
211 | u8 vid_conf; /* Configuration register value */ | |
212 | u8 vrm; | |
213 | u8 vid; /* Register value */ | |
214 | ||
215 | s8 temp[3]; /* Register value */ | |
216 | s8 temp_min[3]; /* Register value */ | |
217 | s8 temp_max[3]; /* Register value */ | |
218 | s8 temp_crit[3]; /* Register value */ | |
219 | u8 temp_status[3]; /* Register value */ | |
220 | u8 temp_alarms; /* Register value, masked */ | |
221 | }; | |
222 | ||
223 | /* | |
224 | * Functions declaration | |
225 | */ | |
226 | ||
227 | static int pc87360_attach_adapter(struct i2c_adapter *adapter); | |
228 | static int pc87360_detect(struct i2c_adapter *adapter, int address, int kind); | |
229 | static int pc87360_detach_client(struct i2c_client *client); | |
230 | ||
231 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
232 | u8 reg); | |
233 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
234 | u8 reg, u8 value); | |
235 | static void pc87360_init_client(struct i2c_client *client, int use_thermistors); | |
236 | static struct pc87360_data *pc87360_update_device(struct device *dev); | |
237 | ||
238 | /* | |
239 | * Driver data (common to all clients) | |
240 | */ | |
241 | ||
242 | static struct i2c_driver pc87360_driver = { | |
243 | .owner = THIS_MODULE, | |
244 | .name = "pc87360", | |
245 | .flags = I2C_DF_NOTIFY, | |
246 | .attach_adapter = pc87360_attach_adapter, | |
247 | .detach_client = pc87360_detach_client, | |
248 | }; | |
249 | ||
250 | /* | |
251 | * Sysfs stuff | |
252 | */ | |
253 | ||
254 | static ssize_t set_fan_min(struct device *dev, const char *buf, | |
255 | size_t count, int nr) | |
256 | { | |
257 | struct i2c_client *client = to_i2c_client(dev); | |
258 | struct pc87360_data *data = i2c_get_clientdata(client); | |
259 | long fan_min = simple_strtol(buf, NULL, 10); | |
260 | ||
261 | down(&data->update_lock); | |
262 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr])); | |
263 | ||
264 | /* If it wouldn't fit, change clock divisor */ | |
265 | while (fan_min > 255 | |
266 | && (data->fan_status[nr] & 0x60) != 0x60) { | |
267 | fan_min >>= 1; | |
268 | data->fan[nr] >>= 1; | |
269 | data->fan_status[nr] += 0x20; | |
270 | } | |
271 | data->fan_min[nr] = fan_min > 255 ? 255 : fan_min; | |
272 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr), | |
273 | data->fan_min[nr]); | |
274 | ||
275 | /* Write new divider, preserve alarm bits */ | |
276 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr), | |
277 | data->fan_status[nr] & 0xF9); | |
278 | up(&data->update_lock); | |
279 | ||
280 | return count; | |
281 | } | |
282 | ||
283 | #define show_and_set_fan(offset) \ | |
a5099cfc | 284 | static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
285 | { \ |
286 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
287 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[offset-1], \ | |
288 | FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \ | |
289 | } \ | |
a5099cfc | 290 | static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
291 | { \ |
292 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
293 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[offset-1], \ | |
294 | FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \ | |
295 | } \ | |
a5099cfc | 296 | static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
297 | { \ |
298 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
299 | return sprintf(buf, "%u\n", \ | |
300 | FAN_DIV_FROM_REG(data->fan_status[offset-1])); \ | |
301 | } \ | |
a5099cfc | 302 | static ssize_t show_fan##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
303 | { \ |
304 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
305 | return sprintf(buf, "%u\n", \ | |
306 | FAN_STATUS_FROM_REG(data->fan_status[offset-1])); \ | |
307 | } \ | |
a5099cfc | 308 | static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
309 | size_t count) \ |
310 | { \ | |
311 | return set_fan_min(dev, buf, count, offset-1); \ | |
312 | } \ | |
313 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ | |
314 | show_fan##offset##_input, NULL); \ | |
315 | static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \ | |
316 | show_fan##offset##_min, set_fan##offset##_min); \ | |
317 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \ | |
318 | show_fan##offset##_div, NULL); \ | |
319 | static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \ | |
320 | show_fan##offset##_status, NULL); | |
321 | show_and_set_fan(1) | |
322 | show_and_set_fan(2) | |
323 | show_and_set_fan(3) | |
324 | ||
325 | #define show_and_set_pwm(offset) \ | |
a5099cfc | 326 | static ssize_t show_pwm##offset(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
327 | { \ |
328 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
329 | return sprintf(buf, "%u\n", \ | |
330 | PWM_FROM_REG(data->pwm[offset-1], \ | |
331 | FAN_CONFIG_INVERT(data->fan_conf, \ | |
332 | offset-1))); \ | |
333 | } \ | |
a5099cfc | 334 | static ssize_t set_pwm##offset(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
335 | size_t count) \ |
336 | { \ | |
337 | struct i2c_client *client = to_i2c_client(dev); \ | |
338 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
339 | long val = simple_strtol(buf, NULL, 10); \ | |
340 | \ | |
341 | down(&data->update_lock); \ | |
342 | data->pwm[offset-1] = PWM_TO_REG(val, \ | |
343 | FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \ | |
344 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \ | |
345 | data->pwm[offset-1]); \ | |
346 | up(&data->update_lock); \ | |
347 | return count; \ | |
348 | } \ | |
349 | static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \ | |
350 | show_pwm##offset, set_pwm##offset); | |
351 | show_and_set_pwm(1) | |
352 | show_and_set_pwm(2) | |
353 | show_and_set_pwm(3) | |
354 | ||
355 | #define show_and_set_in(offset) \ | |
a5099cfc | 356 | static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
357 | { \ |
358 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
359 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ | |
360 | data->in_vref)); \ | |
361 | } \ | |
a5099cfc | 362 | static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
363 | { \ |
364 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
365 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ | |
366 | data->in_vref)); \ | |
367 | } \ | |
a5099cfc | 368 | static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
369 | { \ |
370 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
371 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ | |
372 | data->in_vref)); \ | |
373 | } \ | |
a5099cfc | 374 | static ssize_t show_in##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
375 | { \ |
376 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
377 | return sprintf(buf, "%u\n", data->in_status[offset]); \ | |
378 | } \ | |
a5099cfc | 379 | static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
380 | size_t count) \ |
381 | { \ | |
382 | struct i2c_client *client = to_i2c_client(dev); \ | |
383 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
384 | long val = simple_strtol(buf, NULL, 10); \ | |
385 | \ | |
386 | down(&data->update_lock); \ | |
387 | data->in_min[offset] = IN_TO_REG(val, data->in_vref); \ | |
388 | pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \ | |
389 | data->in_min[offset]); \ | |
390 | up(&data->update_lock); \ | |
391 | return count; \ | |
392 | } \ | |
a5099cfc | 393 | static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
394 | size_t count) \ |
395 | { \ | |
396 | struct i2c_client *client = to_i2c_client(dev); \ | |
397 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
398 | long val = simple_strtol(buf, NULL, 10); \ | |
399 | \ | |
400 | down(&data->update_lock); \ | |
401 | data->in_max[offset] = IN_TO_REG(val, \ | |
402 | data->in_vref); \ | |
403 | pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \ | |
404 | data->in_max[offset]); \ | |
405 | up(&data->update_lock); \ | |
406 | return count; \ | |
407 | } \ | |
408 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, \ | |
409 | show_in##offset##_input, NULL); \ | |
410 | static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \ | |
411 | show_in##offset##_min, set_in##offset##_min); \ | |
412 | static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \ | |
413 | show_in##offset##_max, set_in##offset##_max); \ | |
414 | static DEVICE_ATTR(in##offset##_status, S_IRUGO, \ | |
415 | show_in##offset##_status, NULL); | |
416 | show_and_set_in(0) | |
417 | show_and_set_in(1) | |
418 | show_and_set_in(2) | |
419 | show_and_set_in(3) | |
420 | show_and_set_in(4) | |
421 | show_and_set_in(5) | |
422 | show_and_set_in(6) | |
423 | show_and_set_in(7) | |
424 | show_and_set_in(8) | |
425 | show_and_set_in(9) | |
426 | show_and_set_in(10) | |
427 | ||
428 | #define show_and_set_therm(offset) \ | |
a5099cfc | 429 | static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
430 | { \ |
431 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
432 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \ | |
433 | data->in_vref)); \ | |
434 | } \ | |
a5099cfc | 435 | static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
436 | { \ |
437 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
438 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \ | |
439 | data->in_vref)); \ | |
440 | } \ | |
a5099cfc | 441 | static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
442 | { \ |
443 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
444 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \ | |
445 | data->in_vref)); \ | |
446 | } \ | |
a5099cfc | 447 | static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
448 | { \ |
449 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
450 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \ | |
451 | data->in_vref)); \ | |
452 | } \ | |
a5099cfc | 453 | static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
454 | { \ |
455 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
456 | return sprintf(buf, "%u\n", data->in_status[offset+7]); \ | |
457 | } \ | |
a5099cfc | 458 | static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
459 | size_t count) \ |
460 | { \ | |
461 | struct i2c_client *client = to_i2c_client(dev); \ | |
462 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
463 | long val = simple_strtol(buf, NULL, 10); \ | |
464 | \ | |
465 | down(&data->update_lock); \ | |
466 | data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \ | |
467 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \ | |
468 | data->in_min[offset+7]); \ | |
469 | up(&data->update_lock); \ | |
470 | return count; \ | |
471 | } \ | |
a5099cfc | 472 | static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
473 | size_t count) \ |
474 | { \ | |
475 | struct i2c_client *client = to_i2c_client(dev); \ | |
476 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
477 | long val = simple_strtol(buf, NULL, 10); \ | |
478 | \ | |
479 | down(&data->update_lock); \ | |
480 | data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \ | |
481 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \ | |
482 | data->in_max[offset+7]); \ | |
483 | up(&data->update_lock); \ | |
484 | return count; \ | |
485 | } \ | |
a5099cfc | 486 | static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
487 | size_t count) \ |
488 | { \ | |
489 | struct i2c_client *client = to_i2c_client(dev); \ | |
490 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
491 | long val = simple_strtol(buf, NULL, 10); \ | |
492 | \ | |
493 | down(&data->update_lock); \ | |
494 | data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \ | |
495 | pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \ | |
496 | data->in_crit[offset-4]); \ | |
497 | up(&data->update_lock); \ | |
498 | return count; \ | |
499 | } \ | |
500 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ | |
501 | show_temp##offset##_input, NULL); \ | |
502 | static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ | |
503 | show_temp##offset##_min, set_temp##offset##_min); \ | |
504 | static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ | |
505 | show_temp##offset##_max, set_temp##offset##_max); \ | |
506 | static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \ | |
507 | show_temp##offset##_crit, set_temp##offset##_crit); \ | |
508 | static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \ | |
509 | show_temp##offset##_status, NULL); | |
510 | show_and_set_therm(4) | |
511 | show_and_set_therm(5) | |
512 | show_and_set_therm(6) | |
513 | ||
a5099cfc | 514 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
515 | { |
516 | struct pc87360_data *data = pc87360_update_device(dev); | |
517 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
518 | } | |
519 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
520 | ||
a5099cfc | 521 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
522 | { |
523 | struct pc87360_data *data = pc87360_update_device(dev); | |
524 | return sprintf(buf, "%u\n", data->vrm); | |
525 | } | |
a5099cfc | 526 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
527 | { |
528 | struct i2c_client *client = to_i2c_client(dev); | |
529 | struct pc87360_data *data = i2c_get_clientdata(client); | |
530 | data->vrm = simple_strtoul(buf, NULL, 10); | |
531 | return count; | |
532 | } | |
533 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
534 | ||
a5099cfc | 535 | static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
536 | { |
537 | struct pc87360_data *data = pc87360_update_device(dev); | |
538 | return sprintf(buf, "%u\n", data->in_alarms); | |
539 | } | |
540 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
541 | ||
542 | #define show_and_set_temp(offset) \ | |
a5099cfc | 543 | static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
544 | { \ |
545 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
546 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ | |
547 | } \ | |
a5099cfc | 548 | static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
549 | { \ |
550 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
551 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \ | |
552 | } \ | |
a5099cfc | 553 | static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
554 | { \ |
555 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
556 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \ | |
557 | }\ | |
a5099cfc | 558 | static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
559 | { \ |
560 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
561 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \ | |
562 | }\ | |
a5099cfc | 563 | static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
564 | { \ |
565 | struct pc87360_data *data = pc87360_update_device(dev); \ | |
566 | return sprintf(buf, "%d\n", data->temp_status[offset-1]); \ | |
567 | }\ | |
a5099cfc | 568 | static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
569 | size_t count) \ |
570 | { \ | |
571 | struct i2c_client *client = to_i2c_client(dev); \ | |
572 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
573 | long val = simple_strtol(buf, NULL, 10); \ | |
574 | \ | |
575 | down(&data->update_lock); \ | |
576 | data->temp_min[offset-1] = TEMP_TO_REG(val); \ | |
577 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \ | |
578 | data->temp_min[offset-1]); \ | |
579 | up(&data->update_lock); \ | |
580 | return count; \ | |
581 | } \ | |
a5099cfc | 582 | static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
583 | size_t count) \ |
584 | { \ | |
585 | struct i2c_client *client = to_i2c_client(dev); \ | |
586 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
587 | long val = simple_strtol(buf, NULL, 10); \ | |
588 | \ | |
589 | down(&data->update_lock); \ | |
590 | data->temp_max[offset-1] = TEMP_TO_REG(val); \ | |
591 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \ | |
592 | data->temp_max[offset-1]); \ | |
593 | up(&data->update_lock); \ | |
594 | return count; \ | |
595 | } \ | |
a5099cfc | 596 | static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \ |
1da177e4 LT |
597 | size_t count) \ |
598 | { \ | |
599 | struct i2c_client *client = to_i2c_client(dev); \ | |
600 | struct pc87360_data *data = i2c_get_clientdata(client); \ | |
601 | long val = simple_strtol(buf, NULL, 10); \ | |
602 | \ | |
603 | down(&data->update_lock); \ | |
604 | data->temp_crit[offset-1] = TEMP_TO_REG(val); \ | |
605 | pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \ | |
606 | data->temp_crit[offset-1]); \ | |
607 | up(&data->update_lock); \ | |
608 | return count; \ | |
609 | } \ | |
610 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ | |
611 | show_temp##offset##_input, NULL); \ | |
612 | static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \ | |
613 | show_temp##offset##_min, set_temp##offset##_min); \ | |
614 | static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ | |
615 | show_temp##offset##_max, set_temp##offset##_max); \ | |
616 | static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \ | |
617 | show_temp##offset##_crit, set_temp##offset##_crit); \ | |
618 | static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \ | |
619 | show_temp##offset##_status, NULL); | |
620 | show_and_set_temp(1) | |
621 | show_and_set_temp(2) | |
622 | show_and_set_temp(3) | |
623 | ||
a5099cfc | 624 | static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
625 | { |
626 | struct pc87360_data *data = pc87360_update_device(dev); | |
627 | return sprintf(buf, "%u\n", data->temp_alarms); | |
628 | } | |
629 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); | |
630 | ||
631 | /* | |
632 | * Device detection, registration and update | |
633 | */ | |
634 | ||
635 | static int pc87360_attach_adapter(struct i2c_adapter *adapter) | |
636 | { | |
637 | return i2c_detect(adapter, &addr_data, pc87360_detect); | |
638 | } | |
639 | ||
640 | static int pc87360_find(int sioaddr, u8 *devid, int *address) | |
641 | { | |
642 | u16 val; | |
643 | int i; | |
644 | int nrdev; /* logical device count */ | |
645 | ||
646 | /* No superio_enter */ | |
647 | ||
648 | /* Identify device */ | |
649 | val = superio_inb(sioaddr, DEVID); | |
650 | switch (val) { | |
651 | case 0xE1: /* PC87360 */ | |
652 | case 0xE8: /* PC87363 */ | |
653 | case 0xE4: /* PC87364 */ | |
654 | nrdev = 1; | |
655 | break; | |
656 | case 0xE5: /* PC87365 */ | |
657 | case 0xE9: /* PC87366 */ | |
658 | nrdev = 3; | |
659 | break; | |
660 | default: | |
661 | superio_exit(sioaddr); | |
662 | return -ENODEV; | |
663 | } | |
664 | /* Remember the device id */ | |
665 | *devid = val; | |
666 | ||
667 | for (i = 0; i < nrdev; i++) { | |
668 | /* select logical device */ | |
669 | superio_outb(sioaddr, DEV, logdev[i]); | |
670 | ||
671 | val = superio_inb(sioaddr, ACT); | |
672 | if (!(val & 0x01)) { | |
673 | printk(KERN_INFO "pc87360: Device 0x%02x not " | |
674 | "activated\n", logdev[i]); | |
675 | continue; | |
676 | } | |
677 | ||
678 | val = (superio_inb(sioaddr, BASE) << 8) | |
679 | | superio_inb(sioaddr, BASE + 1); | |
680 | if (!val) { | |
681 | printk(KERN_INFO "pc87360: Base address not set for " | |
682 | "device 0x%02x\n", logdev[i]); | |
683 | continue; | |
684 | } | |
685 | ||
686 | address[i] = val; | |
687 | ||
688 | if (i==0) { /* Fans */ | |
689 | confreg[0] = superio_inb(sioaddr, 0xF0); | |
690 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
691 | ||
692 | #ifdef DEBUG | |
693 | printk(KERN_DEBUG "pc87360: Fan 1: mon=%d " | |
694 | "ctrl=%d inv=%d\n", (confreg[0]>>2)&1, | |
695 | (confreg[0]>>3)&1, (confreg[0]>>4)&1); | |
696 | printk(KERN_DEBUG "pc87360: Fan 2: mon=%d " | |
697 | "ctrl=%d inv=%d\n", (confreg[0]>>5)&1, | |
698 | (confreg[0]>>6)&1, (confreg[0]>>7)&1); | |
699 | printk(KERN_DEBUG "pc87360: Fan 3: mon=%d " | |
700 | "ctrl=%d inv=%d\n", confreg[1]&1, | |
701 | (confreg[1]>>1)&1, (confreg[1]>>2)&1); | |
702 | #endif | |
703 | } else if (i==1) { /* Voltages */ | |
704 | /* Are we using thermistors? */ | |
705 | if (*devid == 0xE9) { /* PC87366 */ | |
706 | /* These registers are not logical-device | |
707 | specific, just that we won't need them if | |
708 | we don't use the VLM device */ | |
709 | confreg[2] = superio_inb(sioaddr, 0x2B); | |
710 | confreg[3] = superio_inb(sioaddr, 0x25); | |
711 | ||
712 | if (confreg[2] & 0x40) { | |
713 | printk(KERN_INFO "pc87360: Using " | |
714 | "thermistors for temperature " | |
715 | "monitoring\n"); | |
716 | } | |
717 | if (confreg[3] & 0xE0) { | |
718 | printk(KERN_INFO "pc87360: VID " | |
719 | "inputs routed (mode %u)\n", | |
720 | confreg[3] >> 5); | |
721 | } | |
722 | } | |
723 | } | |
724 | } | |
725 | ||
726 | superio_exit(sioaddr); | |
727 | return 0; | |
728 | } | |
729 | ||
730 | /* We don't really care about the address. | |
731 | Read from extra_isa instead. */ | |
732 | int pc87360_detect(struct i2c_adapter *adapter, int address, int kind) | |
733 | { | |
734 | int i; | |
735 | struct i2c_client *new_client; | |
736 | struct pc87360_data *data; | |
737 | int err = 0; | |
738 | const char *name = "pc87360"; | |
739 | int use_thermistors = 0; | |
740 | ||
741 | if (!i2c_is_isa_adapter(adapter)) | |
742 | return -ENODEV; | |
743 | ||
744 | if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL))) | |
745 | return -ENOMEM; | |
746 | memset(data, 0x00, sizeof(struct pc87360_data)); | |
747 | ||
748 | new_client = &data->client; | |
749 | i2c_set_clientdata(new_client, data); | |
750 | new_client->addr = address; | |
751 | init_MUTEX(&data->lock); | |
752 | new_client->adapter = adapter; | |
753 | new_client->driver = &pc87360_driver; | |
754 | new_client->flags = 0; | |
755 | ||
756 | data->fannr = 2; | |
757 | data->innr = 0; | |
758 | data->tempnr = 0; | |
759 | ||
760 | switch (devid) { | |
761 | case 0xe8: | |
762 | name = "pc87363"; | |
763 | break; | |
764 | case 0xe4: | |
765 | name = "pc87364"; | |
766 | data->fannr = 3; | |
767 | break; | |
768 | case 0xe5: | |
769 | name = "pc87365"; | |
770 | data->fannr = extra_isa[0] ? 3 : 0; | |
771 | data->innr = extra_isa[1] ? 11 : 0; | |
772 | data->tempnr = extra_isa[2] ? 2 : 0; | |
773 | break; | |
774 | case 0xe9: | |
775 | name = "pc87366"; | |
776 | data->fannr = extra_isa[0] ? 3 : 0; | |
777 | data->innr = extra_isa[1] ? 14 : 0; | |
778 | data->tempnr = extra_isa[2] ? 3 : 0; | |
779 | break; | |
780 | } | |
781 | ||
782 | strcpy(new_client->name, name); | |
783 | data->valid = 0; | |
784 | init_MUTEX(&data->update_lock); | |
785 | ||
786 | for (i = 0; i < 3; i++) { | |
787 | if (((data->address[i] = extra_isa[i])) | |
788 | && !request_region(extra_isa[i], PC87360_EXTENT, | |
789 | pc87360_driver.name)) { | |
790 | dev_err(&new_client->dev, "Region 0x%x-0x%x already " | |
791 | "in use!\n", extra_isa[i], | |
792 | extra_isa[i]+PC87360_EXTENT-1); | |
793 | for (i--; i >= 0; i--) | |
794 | release_region(extra_isa[i], PC87360_EXTENT); | |
795 | err = -EBUSY; | |
796 | goto ERROR1; | |
797 | } | |
798 | } | |
799 | ||
800 | /* Retrieve the fans configuration from Super-I/O space */ | |
801 | if (data->fannr) | |
802 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
803 | ||
804 | if ((err = i2c_attach_client(new_client))) | |
805 | goto ERROR2; | |
806 | ||
807 | /* Use the correct reference voltage | |
808 | Unless both the VLM and the TMS logical devices agree to | |
809 | use an external Vref, the internal one is used. */ | |
810 | if (data->innr) { | |
811 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
812 | PC87365_REG_IN_CONFIG); | |
813 | if (data->tempnr) { | |
814 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
815 | PC87365_REG_TEMP_CONFIG); | |
816 | } | |
817 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
818 | dev_dbg(&new_client->dev, "Using %s reference voltage\n", | |
819 | (i&0x02) ? "external" : "internal"); | |
820 | ||
821 | data->vid_conf = confreg[3]; | |
822 | data->vrm = 90; | |
823 | } | |
824 | ||
825 | /* Fan clock dividers may be needed before any data is read */ | |
826 | for (i = 0; i < data->fannr; i++) { | |
827 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
828 | data->fan_status[i] = pc87360_read_value(data, | |
829 | LD_FAN, NO_BANK, | |
830 | PC87360_REG_FAN_STATUS(i)); | |
831 | } | |
832 | ||
833 | if (init > 0) { | |
834 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
835 | use_thermistors = confreg[2] & 0x40; | |
836 | ||
837 | pc87360_init_client(new_client, use_thermistors); | |
838 | } | |
839 | ||
840 | /* Register sysfs hooks */ | |
841 | if (data->innr) { | |
842 | device_create_file(&new_client->dev, &dev_attr_in0_input); | |
843 | device_create_file(&new_client->dev, &dev_attr_in1_input); | |
844 | device_create_file(&new_client->dev, &dev_attr_in2_input); | |
845 | device_create_file(&new_client->dev, &dev_attr_in3_input); | |
846 | device_create_file(&new_client->dev, &dev_attr_in4_input); | |
847 | device_create_file(&new_client->dev, &dev_attr_in5_input); | |
848 | device_create_file(&new_client->dev, &dev_attr_in6_input); | |
849 | device_create_file(&new_client->dev, &dev_attr_in7_input); | |
850 | device_create_file(&new_client->dev, &dev_attr_in8_input); | |
851 | device_create_file(&new_client->dev, &dev_attr_in9_input); | |
852 | device_create_file(&new_client->dev, &dev_attr_in10_input); | |
853 | device_create_file(&new_client->dev, &dev_attr_in0_min); | |
854 | device_create_file(&new_client->dev, &dev_attr_in1_min); | |
855 | device_create_file(&new_client->dev, &dev_attr_in2_min); | |
856 | device_create_file(&new_client->dev, &dev_attr_in3_min); | |
857 | device_create_file(&new_client->dev, &dev_attr_in4_min); | |
858 | device_create_file(&new_client->dev, &dev_attr_in5_min); | |
859 | device_create_file(&new_client->dev, &dev_attr_in6_min); | |
860 | device_create_file(&new_client->dev, &dev_attr_in7_min); | |
861 | device_create_file(&new_client->dev, &dev_attr_in8_min); | |
862 | device_create_file(&new_client->dev, &dev_attr_in9_min); | |
863 | device_create_file(&new_client->dev, &dev_attr_in10_min); | |
864 | device_create_file(&new_client->dev, &dev_attr_in0_max); | |
865 | device_create_file(&new_client->dev, &dev_attr_in1_max); | |
866 | device_create_file(&new_client->dev, &dev_attr_in2_max); | |
867 | device_create_file(&new_client->dev, &dev_attr_in3_max); | |
868 | device_create_file(&new_client->dev, &dev_attr_in4_max); | |
869 | device_create_file(&new_client->dev, &dev_attr_in5_max); | |
870 | device_create_file(&new_client->dev, &dev_attr_in6_max); | |
871 | device_create_file(&new_client->dev, &dev_attr_in7_max); | |
872 | device_create_file(&new_client->dev, &dev_attr_in8_max); | |
873 | device_create_file(&new_client->dev, &dev_attr_in9_max); | |
874 | device_create_file(&new_client->dev, &dev_attr_in10_max); | |
875 | device_create_file(&new_client->dev, &dev_attr_in0_status); | |
876 | device_create_file(&new_client->dev, &dev_attr_in1_status); | |
877 | device_create_file(&new_client->dev, &dev_attr_in2_status); | |
878 | device_create_file(&new_client->dev, &dev_attr_in3_status); | |
879 | device_create_file(&new_client->dev, &dev_attr_in4_status); | |
880 | device_create_file(&new_client->dev, &dev_attr_in5_status); | |
881 | device_create_file(&new_client->dev, &dev_attr_in6_status); | |
882 | device_create_file(&new_client->dev, &dev_attr_in7_status); | |
883 | device_create_file(&new_client->dev, &dev_attr_in8_status); | |
884 | device_create_file(&new_client->dev, &dev_attr_in9_status); | |
885 | device_create_file(&new_client->dev, &dev_attr_in10_status); | |
886 | ||
887 | device_create_file(&new_client->dev, &dev_attr_cpu0_vid); | |
888 | device_create_file(&new_client->dev, &dev_attr_vrm); | |
889 | device_create_file(&new_client->dev, &dev_attr_alarms_in); | |
890 | } | |
891 | ||
892 | if (data->tempnr) { | |
893 | device_create_file(&new_client->dev, &dev_attr_temp1_input); | |
894 | device_create_file(&new_client->dev, &dev_attr_temp2_input); | |
895 | device_create_file(&new_client->dev, &dev_attr_temp1_min); | |
896 | device_create_file(&new_client->dev, &dev_attr_temp2_min); | |
897 | device_create_file(&new_client->dev, &dev_attr_temp1_max); | |
898 | device_create_file(&new_client->dev, &dev_attr_temp2_max); | |
899 | device_create_file(&new_client->dev, &dev_attr_temp1_crit); | |
900 | device_create_file(&new_client->dev, &dev_attr_temp2_crit); | |
901 | device_create_file(&new_client->dev, &dev_attr_temp1_status); | |
902 | device_create_file(&new_client->dev, &dev_attr_temp2_status); | |
903 | ||
904 | device_create_file(&new_client->dev, &dev_attr_alarms_temp); | |
905 | } | |
906 | if (data->tempnr == 3) { | |
907 | device_create_file(&new_client->dev, &dev_attr_temp3_input); | |
908 | device_create_file(&new_client->dev, &dev_attr_temp3_min); | |
909 | device_create_file(&new_client->dev, &dev_attr_temp3_max); | |
910 | device_create_file(&new_client->dev, &dev_attr_temp3_crit); | |
911 | device_create_file(&new_client->dev, &dev_attr_temp3_status); | |
912 | } | |
913 | if (data->innr == 14) { | |
914 | device_create_file(&new_client->dev, &dev_attr_temp4_input); | |
915 | device_create_file(&new_client->dev, &dev_attr_temp5_input); | |
916 | device_create_file(&new_client->dev, &dev_attr_temp6_input); | |
917 | device_create_file(&new_client->dev, &dev_attr_temp4_min); | |
918 | device_create_file(&new_client->dev, &dev_attr_temp5_min); | |
919 | device_create_file(&new_client->dev, &dev_attr_temp6_min); | |
920 | device_create_file(&new_client->dev, &dev_attr_temp4_max); | |
921 | device_create_file(&new_client->dev, &dev_attr_temp5_max); | |
922 | device_create_file(&new_client->dev, &dev_attr_temp6_max); | |
923 | device_create_file(&new_client->dev, &dev_attr_temp4_crit); | |
924 | device_create_file(&new_client->dev, &dev_attr_temp5_crit); | |
925 | device_create_file(&new_client->dev, &dev_attr_temp6_crit); | |
926 | device_create_file(&new_client->dev, &dev_attr_temp4_status); | |
927 | device_create_file(&new_client->dev, &dev_attr_temp5_status); | |
928 | device_create_file(&new_client->dev, &dev_attr_temp6_status); | |
929 | } | |
930 | ||
931 | if (data->fannr) { | |
932 | if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) { | |
933 | device_create_file(&new_client->dev, | |
934 | &dev_attr_fan1_input); | |
935 | device_create_file(&new_client->dev, | |
936 | &dev_attr_fan1_min); | |
937 | device_create_file(&new_client->dev, | |
938 | &dev_attr_fan1_div); | |
939 | device_create_file(&new_client->dev, | |
940 | &dev_attr_fan1_status); | |
941 | } | |
942 | ||
943 | if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) { | |
944 | device_create_file(&new_client->dev, | |
945 | &dev_attr_fan2_input); | |
946 | device_create_file(&new_client->dev, | |
947 | &dev_attr_fan2_min); | |
948 | device_create_file(&new_client->dev, | |
949 | &dev_attr_fan2_div); | |
950 | device_create_file(&new_client->dev, | |
951 | &dev_attr_fan2_status); | |
952 | } | |
953 | ||
954 | if (FAN_CONFIG_CONTROL(data->fan_conf, 0)) | |
955 | device_create_file(&new_client->dev, &dev_attr_pwm1); | |
956 | if (FAN_CONFIG_CONTROL(data->fan_conf, 1)) | |
957 | device_create_file(&new_client->dev, &dev_attr_pwm2); | |
958 | } | |
959 | if (data->fannr == 3) { | |
960 | if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) { | |
961 | device_create_file(&new_client->dev, | |
962 | &dev_attr_fan3_input); | |
963 | device_create_file(&new_client->dev, | |
964 | &dev_attr_fan3_min); | |
965 | device_create_file(&new_client->dev, | |
966 | &dev_attr_fan3_div); | |
967 | device_create_file(&new_client->dev, | |
968 | &dev_attr_fan3_status); | |
969 | } | |
970 | ||
971 | if (FAN_CONFIG_CONTROL(data->fan_conf, 2)) | |
972 | device_create_file(&new_client->dev, &dev_attr_pwm3); | |
973 | } | |
974 | ||
975 | return 0; | |
976 | ||
977 | ERROR2: | |
978 | for (i = 0; i < 3; i++) { | |
979 | if (data->address[i]) { | |
980 | release_region(data->address[i], PC87360_EXTENT); | |
981 | } | |
982 | } | |
983 | ERROR1: | |
984 | kfree(data); | |
985 | return err; | |
986 | } | |
987 | ||
988 | static int pc87360_detach_client(struct i2c_client *client) | |
989 | { | |
990 | struct pc87360_data *data = i2c_get_clientdata(client); | |
991 | int i; | |
992 | ||
993 | if ((i = i2c_detach_client(client))) { | |
994 | dev_err(&client->dev, "Client deregistration failed, " | |
995 | "client not detached.\n"); | |
996 | return i; | |
997 | } | |
998 | ||
999 | for (i = 0; i < 3; i++) { | |
1000 | if (data->address[i]) { | |
1001 | release_region(data->address[i], PC87360_EXTENT); | |
1002 | } | |
1003 | } | |
1004 | kfree(data); | |
1005 | ||
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | /* ldi is the logical device index | |
1010 | bank is for voltages and temperatures only */ | |
1011 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1012 | u8 reg) | |
1013 | { | |
1014 | int res; | |
1015 | ||
1016 | down(&(data->lock)); | |
1017 | if (bank != NO_BANK) | |
1018 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1019 | res = inb_p(data->address[ldi] + reg); | |
1020 | up(&(data->lock)); | |
1021 | ||
1022 | return res; | |
1023 | } | |
1024 | ||
1025 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1026 | u8 reg, u8 value) | |
1027 | { | |
1028 | down(&(data->lock)); | |
1029 | if (bank != NO_BANK) | |
1030 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1031 | outb_p(value, data->address[ldi] + reg); | |
1032 | up(&(data->lock)); | |
1033 | } | |
1034 | ||
1035 | static void pc87360_init_client(struct i2c_client *client, int use_thermistors) | |
1036 | { | |
1037 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1038 | int i, nr; | |
1039 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1040 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1041 | u8 reg; | |
1042 | ||
1043 | if (init >= 2 && data->innr) { | |
1044 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1045 | PC87365_REG_IN_CONVRATE); | |
368609c5 | 1046 | dev_info(&client->dev, "VLM conversion set to " |
1da177e4 LT |
1047 | "1s period, 160us delay\n"); |
1048 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1049 | PC87365_REG_IN_CONVRATE, | |
1050 | (reg & 0xC0) | 0x11); | |
1051 | } | |
1052 | ||
1053 | nr = data->innr < 11 ? data->innr : 11; | |
1054 | for (i=0; i<nr; i++) { | |
1055 | if (init >= init_in[i]) { | |
1056 | /* Forcibly enable voltage channel */ | |
1057 | reg = pc87360_read_value(data, LD_IN, i, | |
1058 | PC87365_REG_IN_STATUS); | |
1059 | if (!(reg & 0x01)) { | |
1060 | dev_dbg(&client->dev, "Forcibly " | |
1061 | "enabling in%d\n", i); | |
1062 | pc87360_write_value(data, LD_IN, i, | |
1063 | PC87365_REG_IN_STATUS, | |
1064 | (reg & 0x68) | 0x87); | |
1065 | } | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | /* We can't blindly trust the Super-I/O space configuration bit, | |
1070 | most BIOS won't set it properly */ | |
1071 | for (i=11; i<data->innr; i++) { | |
1072 | reg = pc87360_read_value(data, LD_IN, i, | |
1073 | PC87365_REG_TEMP_STATUS); | |
1074 | use_thermistors = use_thermistors || (reg & 0x01); | |
1075 | } | |
1076 | ||
1077 | i = use_thermistors ? 2 : 0; | |
1078 | for (; i<data->tempnr; i++) { | |
1079 | if (init >= init_temp[i]) { | |
1080 | /* Forcibly enable temperature channel */ | |
1081 | reg = pc87360_read_value(data, LD_TEMP, i, | |
1082 | PC87365_REG_TEMP_STATUS); | |
1083 | if (!(reg & 0x01)) { | |
1084 | dev_dbg(&client->dev, "Forcibly " | |
1085 | "enabling temp%d\n", i+1); | |
1086 | pc87360_write_value(data, LD_TEMP, i, | |
1087 | PC87365_REG_TEMP_STATUS, | |
1088 | 0xCF); | |
1089 | } | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | if (use_thermistors) { | |
1094 | for (i=11; i<data->innr; i++) { | |
1095 | if (init >= init_in[i]) { | |
1096 | /* The pin may already be used by thermal | |
1097 | diodes */ | |
1098 | reg = pc87360_read_value(data, LD_TEMP, | |
1099 | (i-11)/2, PC87365_REG_TEMP_STATUS); | |
1100 | if (reg & 0x01) { | |
1101 | dev_dbg(&client->dev, "Skipping " | |
1102 | "temp%d, pin already in use " | |
1103 | "by temp%d\n", i-7, (i-11)/2); | |
1104 | continue; | |
1105 | } | |
1106 | ||
1107 | /* Forcibly enable thermistor channel */ | |
1108 | reg = pc87360_read_value(data, LD_IN, i, | |
1109 | PC87365_REG_IN_STATUS); | |
1110 | if (!(reg & 0x01)) { | |
1111 | dev_dbg(&client->dev, "Forcibly " | |
1112 | "enabling temp%d\n", i-7); | |
1113 | pc87360_write_value(data, LD_IN, i, | |
1114 | PC87365_REG_TEMP_STATUS, | |
1115 | (reg & 0x60) | 0x8F); | |
1116 | } | |
1117 | } | |
1118 | } | |
1119 | } | |
1120 | ||
1121 | if (data->innr) { | |
1122 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1123 | PC87365_REG_IN_CONFIG); | |
1124 | if (reg & 0x01) { | |
1125 | dev_dbg(&client->dev, "Forcibly " | |
1126 | "enabling monitoring (VLM)\n"); | |
1127 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1128 | PC87365_REG_IN_CONFIG, | |
1129 | reg & 0xFE); | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | if (data->tempnr) { | |
1134 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1135 | PC87365_REG_TEMP_CONFIG); | |
1136 | if (reg & 0x01) { | |
1137 | dev_dbg(&client->dev, "Forcibly enabling " | |
1138 | "monitoring (TMS)\n"); | |
1139 | pc87360_write_value(data, LD_TEMP, NO_BANK, | |
1140 | PC87365_REG_TEMP_CONFIG, | |
1141 | reg & 0xFE); | |
1142 | } | |
1143 | ||
1144 | if (init >= 2) { | |
1145 | /* Chip config as documented by National Semi. */ | |
1146 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
1147 | /* We voluntarily omit the bank here, in case the | |
1148 | sequence itself matters. It shouldn't be a problem, | |
1149 | since nobody else is supposed to access the | |
1150 | device at that point. */ | |
1151 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); | |
1152 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1153 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1154 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1155 | } | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | static void pc87360_autodiv(struct i2c_client *client, int nr) | |
1160 | { | |
1161 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1162 | u8 old_min = data->fan_min[nr]; | |
1163 | ||
1164 | /* Increase clock divider if needed and possible */ | |
1165 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1166 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1167 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1168 | data->fan_status[nr] += 0x20; | |
1169 | data->fan_min[nr] >>= 1; | |
1170 | data->fan[nr] >>= 1; | |
1171 | dev_dbg(&client->dev, "Increasing " | |
1172 | "clock divider to %d for fan %d\n", | |
1173 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1); | |
1174 | } | |
1175 | } else { | |
1176 | /* Decrease clock divider if possible */ | |
1177 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1178 | && data->fan[nr] < 85 /* bad accuracy */ | |
1179 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1180 | data->fan_status[nr] -= 0x20; | |
1181 | data->fan_min[nr] <<= 1; | |
1182 | data->fan[nr] <<= 1; | |
1183 | dev_dbg(&client->dev, "Decreasing " | |
1184 | "clock divider to %d for fan %d\n", | |
1185 | FAN_DIV_FROM_REG(data->fan_status[nr]), | |
1186 | nr+1); | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | /* Write new fan min if it changed */ | |
1191 | if (old_min != data->fan_min[nr]) { | |
1192 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1193 | PC87360_REG_FAN_MIN(nr), | |
1194 | data->fan_min[nr]); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1199 | { | |
1200 | struct i2c_client *client = to_i2c_client(dev); | |
1201 | struct pc87360_data *data = i2c_get_clientdata(client); | |
1202 | u8 i; | |
1203 | ||
1204 | down(&data->update_lock); | |
1205 | ||
1206 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
1207 | dev_dbg(&client->dev, "Data update\n"); | |
1208 | ||
1209 | /* Fans */ | |
1210 | for (i = 0; i < data->fannr; i++) { | |
1211 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1212 | data->fan_status[i] = | |
1213 | pc87360_read_value(data, LD_FAN, | |
1214 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1215 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1216 | NO_BANK, PC87360_REG_FAN(i)); | |
1217 | data->fan_min[i] = pc87360_read_value(data, | |
1218 | LD_FAN, NO_BANK, | |
1219 | PC87360_REG_FAN_MIN(i)); | |
1220 | /* Change clock divider if needed */ | |
1221 | pc87360_autodiv(client, i); | |
1222 | /* Clear bits and write new divider */ | |
1223 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1224 | PC87360_REG_FAN_STATUS(i), | |
1225 | data->fan_status[i]); | |
1226 | } | |
1227 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1228 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1229 | NO_BANK, PC87360_REG_PWM(i)); | |
1230 | } | |
1231 | ||
1232 | /* Voltages */ | |
1233 | for (i = 0; i < data->innr; i++) { | |
1234 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1235 | PC87365_REG_IN_STATUS); | |
1236 | /* Clear bits */ | |
1237 | pc87360_write_value(data, LD_IN, i, | |
1238 | PC87365_REG_IN_STATUS, | |
1239 | data->in_status[i]); | |
1240 | if ((data->in_status[i] & 0x81) == 0x81) { | |
1241 | data->in[i] = pc87360_read_value(data, LD_IN, | |
1242 | i, PC87365_REG_IN); | |
1243 | } | |
1244 | if (data->in_status[i] & 0x01) { | |
1245 | data->in_min[i] = pc87360_read_value(data, | |
1246 | LD_IN, i, | |
1247 | PC87365_REG_IN_MIN); | |
1248 | data->in_max[i] = pc87360_read_value(data, | |
1249 | LD_IN, i, | |
1250 | PC87365_REG_IN_MAX); | |
1251 | if (i >= 11) | |
1252 | data->in_crit[i-11] = | |
1253 | pc87360_read_value(data, LD_IN, | |
1254 | i, PC87365_REG_TEMP_CRIT); | |
1255 | } | |
1256 | } | |
1257 | if (data->innr) { | |
1258 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1259 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1260 | | ((pc87360_read_value(data, LD_IN, | |
1261 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1262 | & 0x07) << 8); | |
1263 | data->vid = (data->vid_conf & 0xE0) ? | |
1264 | pc87360_read_value(data, LD_IN, | |
1265 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1266 | } | |
1267 | ||
1268 | /* Temperatures */ | |
1269 | for (i = 0; i < data->tempnr; i++) { | |
1270 | data->temp_status[i] = pc87360_read_value(data, | |
1271 | LD_TEMP, i, | |
1272 | PC87365_REG_TEMP_STATUS); | |
1273 | /* Clear bits */ | |
1274 | pc87360_write_value(data, LD_TEMP, i, | |
1275 | PC87365_REG_TEMP_STATUS, | |
1276 | data->temp_status[i]); | |
1277 | if ((data->temp_status[i] & 0x81) == 0x81) { | |
1278 | data->temp[i] = pc87360_read_value(data, | |
1279 | LD_TEMP, i, | |
1280 | PC87365_REG_TEMP); | |
1281 | } | |
1282 | if (data->temp_status[i] & 0x01) { | |
1283 | data->temp_min[i] = pc87360_read_value(data, | |
1284 | LD_TEMP, i, | |
1285 | PC87365_REG_TEMP_MIN); | |
1286 | data->temp_max[i] = pc87360_read_value(data, | |
1287 | LD_TEMP, i, | |
1288 | PC87365_REG_TEMP_MAX); | |
1289 | data->temp_crit[i] = pc87360_read_value(data, | |
1290 | LD_TEMP, i, | |
1291 | PC87365_REG_TEMP_CRIT); | |
1292 | } | |
1293 | } | |
1294 | if (data->tempnr) { | |
1295 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1296 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1297 | & 0x3F; | |
1298 | } | |
1299 | ||
1300 | data->last_updated = jiffies; | |
1301 | data->valid = 1; | |
1302 | } | |
1303 | ||
1304 | up(&data->update_lock); | |
1305 | ||
1306 | return data; | |
1307 | } | |
1308 | ||
1309 | static int __init pc87360_init(void) | |
1310 | { | |
1311 | int i; | |
1312 | ||
1313 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1314 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
1315 | printk(KERN_WARNING "pc87360: PC8736x not detected, " | |
1316 | "module not inserted.\n"); | |
1317 | return -ENODEV; | |
1318 | } | |
1319 | ||
1320 | /* Arbitrarily pick one of the addresses */ | |
1321 | for (i = 0; i < 3; i++) { | |
1322 | if (extra_isa[i] != 0x0000) { | |
1323 | normal_isa[0] = extra_isa[i]; | |
1324 | break; | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | if (normal_isa[0] == 0x0000) { | |
1329 | printk(KERN_WARNING "pc87360: No active logical device, " | |
1330 | "module not inserted.\n"); | |
1331 | return -ENODEV; | |
1332 | } | |
1333 | ||
1334 | return i2c_add_driver(&pc87360_driver); | |
1335 | } | |
1336 | ||
1337 | static void __exit pc87360_exit(void) | |
1338 | { | |
1339 | i2c_del_driver(&pc87360_driver); | |
1340 | } | |
1341 | ||
1342 | ||
1343 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1344 | MODULE_DESCRIPTION("PC8736x hardware monitor"); | |
1345 | MODULE_LICENSE("GPL"); | |
1346 | ||
1347 | module_init(pc87360_init); | |
1348 | module_exit(pc87360_exit); |