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d58de038 GJ |
1 | /* |
2 | * asc7621.c - Part of lm_sensors, Linux kernel modules for hardware monitoring | |
3 | * Copyright (c) 2007, 2010 George Joseph <george.joseph@fairview5.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | #include <linux/module.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/slab.h> | |
23 | #include <linux/jiffies.h> | |
24 | #include <linux/i2c.h> | |
25 | #include <linux/hwmon.h> | |
26 | #include <linux/hwmon-sysfs.h> | |
27 | #include <linux/err.h> | |
28 | #include <linux/mutex.h> | |
29 | ||
30 | /* Addresses to scan */ | |
31 | static unsigned short normal_i2c[] = { | |
32 | 0x2c, 0x2d, 0x2e, I2C_CLIENT_END | |
33 | }; | |
34 | ||
35 | enum asc7621_type { | |
36 | asc7621, | |
37 | asc7621a | |
38 | }; | |
39 | ||
40 | #define INTERVAL_HIGH (HZ + HZ / 2) | |
41 | #define INTERVAL_LOW (1 * 60 * HZ) | |
42 | #define PRI_NONE 0 | |
43 | #define PRI_LOW 1 | |
44 | #define PRI_HIGH 2 | |
45 | #define FIRST_CHIP asc7621 | |
46 | #define LAST_CHIP asc7621a | |
47 | ||
48 | struct asc7621_chip { | |
49 | char *name; | |
50 | enum asc7621_type chip_type; | |
51 | u8 company_reg; | |
52 | u8 company_id; | |
53 | u8 verstep_reg; | |
54 | u8 verstep_id; | |
55 | unsigned short *addresses; | |
56 | }; | |
57 | ||
58 | static struct asc7621_chip asc7621_chips[] = { | |
59 | { | |
60 | .name = "asc7621", | |
61 | .chip_type = asc7621, | |
62 | .company_reg = 0x3e, | |
63 | .company_id = 0x61, | |
64 | .verstep_reg = 0x3f, | |
65 | .verstep_id = 0x6c, | |
66 | .addresses = normal_i2c, | |
67 | }, | |
68 | { | |
69 | .name = "asc7621a", | |
70 | .chip_type = asc7621a, | |
71 | .company_reg = 0x3e, | |
72 | .company_id = 0x61, | |
73 | .verstep_reg = 0x3f, | |
74 | .verstep_id = 0x6d, | |
75 | .addresses = normal_i2c, | |
76 | }, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * Defines the highest register to be used, not the count. | |
81 | * The actual count will probably be smaller because of gaps | |
82 | * in the implementation (unused register locations). | |
83 | * This define will safely set the array size of both the parameter | |
84 | * and data arrays. | |
85 | * This comes from the data sheet register description table. | |
86 | */ | |
87 | #define LAST_REGISTER 0xff | |
88 | ||
89 | struct asc7621_data { | |
90 | struct i2c_client client; | |
91 | struct device *class_dev; | |
92 | struct mutex update_lock; | |
93 | int valid; /* !=0 if following fields are valid */ | |
94 | unsigned long last_high_reading; /* In jiffies */ | |
95 | unsigned long last_low_reading; /* In jiffies */ | |
96 | /* | |
97 | * Registers we care about occupy the corresponding index | |
98 | * in the array. Registers we don't care about are left | |
99 | * at 0. | |
100 | */ | |
101 | u8 reg[LAST_REGISTER + 1]; | |
102 | }; | |
103 | ||
104 | /* | |
105 | * Macro to get the parent asc7621_param structure | |
106 | * from a sensor_device_attribute passed into the | |
107 | * show/store functions. | |
108 | */ | |
109 | #define to_asc7621_param(_sda) \ | |
110 | container_of(_sda, struct asc7621_param, sda) | |
111 | ||
112 | /* | |
113 | * Each parameter to be retrieved needs an asc7621_param structure | |
114 | * allocated. It contains the sensor_device_attribute structure | |
115 | * and the control info needed to retrieve the value from the register map. | |
116 | */ | |
117 | struct asc7621_param { | |
118 | struct sensor_device_attribute sda; | |
119 | u8 priority; | |
120 | u8 msb[3]; | |
121 | u8 lsb[3]; | |
122 | u8 mask[3]; | |
123 | u8 shift[3]; | |
124 | }; | |
125 | ||
126 | /* | |
127 | * This is the map that ultimately indicates whether we'll be | |
128 | * retrieving a register value or not, and at what frequency. | |
129 | */ | |
130 | static u8 asc7621_register_priorities[255]; | |
131 | ||
132 | static struct asc7621_data *asc7621_update_device(struct device *dev); | |
133 | ||
134 | static inline u8 read_byte(struct i2c_client *client, u8 reg) | |
135 | { | |
136 | int res = i2c_smbus_read_byte_data(client, reg); | |
137 | if (res < 0) { | |
138 | dev_err(&client->dev, | |
139 | "Unable to read from register 0x%02x.\n", reg); | |
140 | return 0; | |
141 | }; | |
142 | return res & 0xff; | |
143 | } | |
144 | ||
145 | static inline int write_byte(struct i2c_client *client, u8 reg, u8 data) | |
146 | { | |
147 | int res = i2c_smbus_write_byte_data(client, reg, data); | |
148 | if (res < 0) { | |
149 | dev_err(&client->dev, | |
150 | "Unable to write value 0x%02x to register 0x%02x.\n", | |
151 | data, reg); | |
152 | }; | |
153 | return res; | |
154 | } | |
155 | ||
156 | /* | |
157 | * Data Handlers | |
158 | * Each function handles the formatting, storage | |
159 | * and retrieval of like parameters. | |
160 | */ | |
161 | ||
162 | #define SETUP_SHOW_data_param(d, a) \ | |
163 | struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ | |
164 | struct asc7621_data *data = asc7621_update_device(d); \ | |
165 | struct asc7621_param *param = to_asc7621_param(sda) | |
166 | ||
167 | #define SETUP_STORE_data_param(d, a) \ | |
168 | struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ | |
169 | struct i2c_client *client = to_i2c_client(d); \ | |
170 | struct asc7621_data *data = i2c_get_clientdata(client); \ | |
171 | struct asc7621_param *param = to_asc7621_param(sda) | |
172 | ||
173 | /* | |
174 | * u8 is just what it sounds like...an unsigned byte with no | |
175 | * special formatting. | |
176 | */ | |
177 | static ssize_t show_u8(struct device *dev, struct device_attribute *attr, | |
178 | char *buf) | |
179 | { | |
180 | SETUP_SHOW_data_param(dev, attr); | |
181 | ||
182 | return sprintf(buf, "%u\n", data->reg[param->msb[0]]); | |
183 | } | |
184 | ||
185 | static ssize_t store_u8(struct device *dev, struct device_attribute *attr, | |
186 | const char *buf, size_t count) | |
187 | { | |
188 | SETUP_STORE_data_param(dev, attr); | |
189 | long reqval; | |
190 | ||
191 | if (strict_strtol(buf, 10, &reqval)) | |
192 | return -EINVAL; | |
193 | ||
194 | reqval = SENSORS_LIMIT(reqval, 0, 255); | |
195 | ||
196 | mutex_lock(&data->update_lock); | |
197 | data->reg[param->msb[0]] = reqval; | |
198 | write_byte(client, param->msb[0], reqval); | |
199 | mutex_unlock(&data->update_lock); | |
200 | return count; | |
201 | } | |
202 | ||
203 | /* | |
204 | * Many of the config values occupy only a few bits of a register. | |
205 | */ | |
206 | static ssize_t show_bitmask(struct device *dev, | |
207 | struct device_attribute *attr, char *buf) | |
208 | { | |
209 | SETUP_SHOW_data_param(dev, attr); | |
210 | ||
211 | return sprintf(buf, "%u\n", | |
212 | (data->reg[param->msb[0]] >> param-> | |
213 | shift[0]) & param->mask[0]); | |
214 | } | |
215 | ||
216 | static ssize_t store_bitmask(struct device *dev, | |
217 | struct device_attribute *attr, | |
218 | const char *buf, size_t count) | |
219 | { | |
220 | SETUP_STORE_data_param(dev, attr); | |
221 | long reqval; | |
222 | u8 currval; | |
223 | ||
224 | if (strict_strtol(buf, 10, &reqval)) | |
225 | return -EINVAL; | |
226 | ||
227 | reqval = SENSORS_LIMIT(reqval, 0, param->mask[0]); | |
228 | ||
229 | reqval = (reqval & param->mask[0]) << param->shift[0]; | |
230 | ||
231 | mutex_lock(&data->update_lock); | |
232 | currval = read_byte(client, param->msb[0]); | |
233 | reqval |= (currval & ~(param->mask[0] << param->shift[0])); | |
234 | data->reg[param->msb[0]] = reqval; | |
235 | write_byte(client, param->msb[0], reqval); | |
236 | mutex_unlock(&data->update_lock); | |
237 | return count; | |
238 | } | |
239 | ||
240 | /* | |
241 | * 16 bit fan rpm values | |
242 | * reported by the device as the number of 11.111us periods (90khz) | |
243 | * between full fan rotations. Therefore... | |
244 | * RPM = (90000 * 60) / register value | |
245 | */ | |
246 | static ssize_t show_fan16(struct device *dev, | |
247 | struct device_attribute *attr, char *buf) | |
248 | { | |
249 | SETUP_SHOW_data_param(dev, attr); | |
250 | u16 regval; | |
251 | ||
252 | mutex_lock(&data->update_lock); | |
253 | regval = (data->reg[param->msb[0]] << 8) | data->reg[param->lsb[0]]; | |
254 | mutex_unlock(&data->update_lock); | |
255 | ||
256 | return sprintf(buf, "%u\n", | |
257 | (regval == 0 ? -1 : (regval) == | |
258 | 0xffff ? 0 : 5400000 / regval)); | |
259 | } | |
260 | ||
261 | static ssize_t store_fan16(struct device *dev, | |
262 | struct device_attribute *attr, const char *buf, | |
263 | size_t count) | |
264 | { | |
265 | SETUP_STORE_data_param(dev, attr); | |
266 | long reqval; | |
267 | ||
268 | if (strict_strtol(buf, 10, &reqval)) | |
269 | return -EINVAL; | |
270 | ||
271 | reqval = | |
272 | (SENSORS_LIMIT((reqval) <= 0 ? 0 : 5400000 / (reqval), 0, 65534)); | |
273 | ||
274 | mutex_lock(&data->update_lock); | |
275 | data->reg[param->msb[0]] = (reqval >> 8) & 0xff; | |
276 | data->reg[param->lsb[0]] = reqval & 0xff; | |
277 | write_byte(client, param->msb[0], data->reg[param->msb[0]]); | |
278 | write_byte(client, param->lsb[0], data->reg[param->lsb[0]]); | |
279 | mutex_unlock(&data->update_lock); | |
280 | ||
281 | return count; | |
282 | } | |
283 | ||
284 | /* | |
285 | * Voltages are scaled in the device so that the nominal voltage | |
286 | * is 3/4ths of the 0-255 range (i.e. 192). | |
287 | * If all voltages are 'normal' then all voltage registers will | |
288 | * read 0xC0. This doesn't help us if we don't have a point of refernce. | |
289 | * The data sheet however provides us with the full scale value for each | |
290 | * which is stored in in_scaling. The sda->index parameter value provides | |
291 | * the index into in_scaling. | |
292 | * | |
293 | * NOTE: The chip expects the first 2 inputs be 2.5 and 2.25 volts | |
294 | * respectively. That doesn't mean that's what the motherboard provides. :) | |
295 | */ | |
296 | ||
297 | static int asc7621_in_scaling[] = { | |
298 | 3320, 3000, 4380, 6640, 16000 | |
299 | }; | |
300 | ||
301 | static ssize_t show_in10(struct device *dev, struct device_attribute *attr, | |
302 | char *buf) | |
303 | { | |
304 | SETUP_SHOW_data_param(dev, attr); | |
305 | u16 regval; | |
306 | u8 nr = sda->index; | |
307 | ||
308 | mutex_lock(&data->update_lock); | |
309 | regval = (data->reg[param->msb[0]] * asc7621_in_scaling[nr]) / 256; | |
310 | ||
311 | /* The LSB value is a 2-bit scaling of the MSB's LSbit value. | |
312 | * I.E. If the maximim voltage for this input is 6640 millivolts then | |
313 | * a MSB register value of 0 = 0mv and 255 = 6640mv. | |
314 | * A 1 step change therefore represents 25.9mv (6640 / 256). | |
315 | * The extra 2-bits therefore represent increments of 6.48mv. | |
316 | */ | |
317 | regval += ((asc7621_in_scaling[nr] / 256) / 4) * | |
318 | (data->reg[param->lsb[0]] >> 6); | |
319 | ||
320 | mutex_unlock(&data->update_lock); | |
321 | ||
322 | return sprintf(buf, "%u\n", regval); | |
323 | } | |
324 | ||
325 | /* 8 bit voltage values (the mins and maxs) */ | |
326 | static ssize_t show_in8(struct device *dev, struct device_attribute *attr, | |
327 | char *buf) | |
328 | { | |
329 | SETUP_SHOW_data_param(dev, attr); | |
330 | u8 nr = sda->index; | |
331 | ||
332 | return sprintf(buf, "%u\n", | |
333 | ((data->reg[param->msb[0]] * | |
334 | asc7621_in_scaling[nr]) / 256)); | |
335 | } | |
336 | ||
337 | static ssize_t store_in8(struct device *dev, struct device_attribute *attr, | |
338 | const char *buf, size_t count) | |
339 | { | |
340 | SETUP_STORE_data_param(dev, attr); | |
341 | long reqval; | |
342 | u8 nr = sda->index; | |
343 | ||
344 | if (strict_strtol(buf, 10, &reqval)) | |
345 | return -EINVAL; | |
346 | ||
347 | reqval = SENSORS_LIMIT(reqval, 0, asc7621_in_scaling[nr]); | |
348 | ||
349 | reqval = (reqval * 255 + 128) / asc7621_in_scaling[nr]; | |
350 | ||
351 | mutex_lock(&data->update_lock); | |
352 | data->reg[param->msb[0]] = reqval; | |
353 | write_byte(client, param->msb[0], reqval); | |
354 | mutex_unlock(&data->update_lock); | |
355 | ||
356 | return count; | |
357 | } | |
358 | ||
359 | static ssize_t show_temp8(struct device *dev, | |
360 | struct device_attribute *attr, char *buf) | |
361 | { | |
362 | SETUP_SHOW_data_param(dev, attr); | |
363 | ||
364 | return sprintf(buf, "%d\n", ((s8) data->reg[param->msb[0]]) * 1000); | |
365 | } | |
366 | ||
367 | static ssize_t store_temp8(struct device *dev, | |
368 | struct device_attribute *attr, const char *buf, | |
369 | size_t count) | |
370 | { | |
371 | SETUP_STORE_data_param(dev, attr); | |
372 | long reqval; | |
373 | s8 temp; | |
374 | ||
375 | if (strict_strtol(buf, 10, &reqval)) | |
376 | return -EINVAL; | |
377 | ||
378 | reqval = SENSORS_LIMIT(reqval, -127000, 127000); | |
379 | ||
380 | temp = reqval / 1000; | |
381 | ||
382 | mutex_lock(&data->update_lock); | |
383 | data->reg[param->msb[0]] = temp; | |
384 | write_byte(client, param->msb[0], temp); | |
385 | mutex_unlock(&data->update_lock); | |
386 | return count; | |
387 | } | |
388 | ||
389 | /* | |
390 | * Temperatures that occupy 2 bytes always have the whole | |
391 | * number of degrees in the MSB with some part of the LSB | |
392 | * indicating fractional degrees. | |
393 | */ | |
394 | ||
395 | /* mmmmmmmm.llxxxxxx */ | |
396 | static ssize_t show_temp10(struct device *dev, | |
397 | struct device_attribute *attr, char *buf) | |
398 | { | |
399 | SETUP_SHOW_data_param(dev, attr); | |
400 | u8 msb, lsb; | |
401 | int temp; | |
402 | ||
403 | mutex_lock(&data->update_lock); | |
404 | msb = data->reg[param->msb[0]]; | |
405 | lsb = (data->reg[param->lsb[0]] >> 6) & 0x03; | |
406 | temp = (((s8) msb) * 1000) + (lsb * 250); | |
407 | mutex_unlock(&data->update_lock); | |
408 | ||
409 | return sprintf(buf, "%d\n", temp); | |
410 | } | |
411 | ||
412 | /* mmmmmm.ll */ | |
413 | static ssize_t show_temp62(struct device *dev, | |
414 | struct device_attribute *attr, char *buf) | |
415 | { | |
416 | SETUP_SHOW_data_param(dev, attr); | |
417 | u8 regval = data->reg[param->msb[0]]; | |
418 | int temp = ((s8) (regval & 0xfc) * 1000) + ((regval & 0x03) * 250); | |
419 | ||
420 | return sprintf(buf, "%d\n", temp); | |
421 | } | |
422 | ||
423 | static ssize_t store_temp62(struct device *dev, | |
424 | struct device_attribute *attr, const char *buf, | |
425 | size_t count) | |
426 | { | |
427 | SETUP_STORE_data_param(dev, attr); | |
428 | long reqval, i, f; | |
429 | s8 temp; | |
430 | ||
431 | if (strict_strtol(buf, 10, &reqval)) | |
432 | return -EINVAL; | |
433 | ||
434 | reqval = SENSORS_LIMIT(reqval, -32000, 31750); | |
435 | i = reqval / 1000; | |
436 | f = reqval - (i * 1000); | |
437 | temp = i << 2; | |
438 | temp |= f / 250; | |
439 | ||
440 | mutex_lock(&data->update_lock); | |
441 | data->reg[param->msb[0]] = temp; | |
442 | write_byte(client, param->msb[0], temp); | |
443 | mutex_unlock(&data->update_lock); | |
444 | return count; | |
445 | } | |
446 | ||
447 | /* | |
448 | * The aSC7621 doesn't provide an "auto_point2". Instead, you | |
449 | * specify the auto_point1 and a range. To keep with the sysfs | |
450 | * hwmon specs, we synthesize the auto_point_2 from them. | |
451 | */ | |
452 | ||
453 | static u32 asc7621_range_map[] = { | |
454 | 2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000, | |
455 | 13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000, | |
456 | }; | |
457 | ||
458 | static ssize_t show_ap2_temp(struct device *dev, | |
459 | struct device_attribute *attr, char *buf) | |
460 | { | |
461 | SETUP_SHOW_data_param(dev, attr); | |
462 | long auto_point1; | |
463 | u8 regval; | |
464 | int temp; | |
465 | ||
466 | mutex_lock(&data->update_lock); | |
467 | auto_point1 = ((s8) data->reg[param->msb[1]]) * 1000; | |
468 | regval = | |
469 | ((data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]); | |
470 | temp = auto_point1 + asc7621_range_map[SENSORS_LIMIT(regval, 0, 15)]; | |
471 | mutex_unlock(&data->update_lock); | |
472 | ||
473 | return sprintf(buf, "%d\n", temp); | |
474 | ||
475 | } | |
476 | ||
477 | static ssize_t store_ap2_temp(struct device *dev, | |
478 | struct device_attribute *attr, | |
479 | const char *buf, size_t count) | |
480 | { | |
481 | SETUP_STORE_data_param(dev, attr); | |
482 | long reqval, auto_point1; | |
483 | int i; | |
484 | u8 currval, newval = 0; | |
485 | ||
486 | if (strict_strtol(buf, 10, &reqval)) | |
487 | return -EINVAL; | |
488 | ||
489 | mutex_lock(&data->update_lock); | |
490 | auto_point1 = data->reg[param->msb[1]] * 1000; | |
491 | reqval = SENSORS_LIMIT(reqval, auto_point1 + 2000, auto_point1 + 80000); | |
492 | ||
493 | for (i = ARRAY_SIZE(asc7621_range_map) - 1; i >= 0; i--) { | |
494 | if (reqval >= auto_point1 + asc7621_range_map[i]) { | |
495 | newval = i; | |
496 | break; | |
497 | } | |
498 | } | |
499 | ||
500 | newval = (newval & param->mask[0]) << param->shift[0]; | |
501 | currval = read_byte(client, param->msb[0]); | |
502 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
503 | data->reg[param->msb[0]] = newval; | |
504 | write_byte(client, param->msb[0], newval); | |
505 | mutex_unlock(&data->update_lock); | |
506 | return count; | |
507 | } | |
508 | ||
509 | static ssize_t show_pwm_ac(struct device *dev, | |
510 | struct device_attribute *attr, char *buf) | |
511 | { | |
512 | SETUP_SHOW_data_param(dev, attr); | |
513 | u8 config, altbit, regval; | |
514 | u8 map[] = { | |
515 | 0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10, | |
516 | 0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f | |
517 | }; | |
518 | ||
519 | mutex_lock(&data->update_lock); | |
520 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
521 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
522 | regval = config | (altbit << 3); | |
523 | mutex_unlock(&data->update_lock); | |
524 | ||
525 | return sprintf(buf, "%u\n", map[SENSORS_LIMIT(regval, 0, 15)]); | |
526 | } | |
527 | ||
528 | static ssize_t store_pwm_ac(struct device *dev, | |
529 | struct device_attribute *attr, | |
530 | const char *buf, size_t count) | |
531 | { | |
532 | SETUP_STORE_data_param(dev, attr); | |
533 | unsigned long reqval; | |
534 | u8 currval, config, altbit, newval; | |
535 | u16 map[] = { | |
536 | 0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06, | |
537 | 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, | |
538 | 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
539 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, | |
540 | }; | |
541 | ||
542 | if (strict_strtoul(buf, 10, &reqval)) | |
543 | return -EINVAL; | |
544 | ||
545 | if (reqval > 31) | |
546 | return -EINVAL; | |
547 | ||
548 | reqval = map[reqval]; | |
549 | if (reqval == 0xff) | |
550 | return -EINVAL; | |
551 | ||
552 | config = reqval & 0x07; | |
553 | altbit = (reqval >> 3) & 0x01; | |
554 | ||
555 | config = (config & param->mask[0]) << param->shift[0]; | |
556 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
557 | ||
558 | mutex_lock(&data->update_lock); | |
559 | currval = read_byte(client, param->msb[0]); | |
560 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
561 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
562 | data->reg[param->msb[0]] = newval; | |
563 | write_byte(client, param->msb[0], newval); | |
564 | mutex_unlock(&data->update_lock); | |
565 | return count; | |
566 | } | |
567 | ||
568 | static ssize_t show_pwm_enable(struct device *dev, | |
569 | struct device_attribute *attr, char *buf) | |
570 | { | |
571 | SETUP_SHOW_data_param(dev, attr); | |
572 | u8 config, altbit, minoff, val, newval; | |
573 | ||
574 | mutex_lock(&data->update_lock); | |
575 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
576 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
577 | minoff = (data->reg[param->msb[2]] >> param->shift[2]) & param->mask[2]; | |
578 | mutex_unlock(&data->update_lock); | |
579 | ||
580 | val = config | (altbit << 3); | |
581 | newval = 0; | |
582 | ||
583 | if (val == 3 || val >= 10) | |
584 | newval = 255; | |
585 | else if (val == 4) | |
586 | newval = 0; | |
587 | else if (val == 7) | |
588 | newval = 1; | |
589 | else if (minoff == 1) | |
590 | newval = 2; | |
591 | else | |
592 | newval = 3; | |
593 | ||
594 | return sprintf(buf, "%u\n", newval); | |
595 | } | |
596 | ||
597 | static ssize_t store_pwm_enable(struct device *dev, | |
598 | struct device_attribute *attr, | |
599 | const char *buf, size_t count) | |
600 | { | |
601 | SETUP_STORE_data_param(dev, attr); | |
602 | long reqval; | |
603 | u8 currval, config, altbit, newval, minoff = 255; | |
604 | ||
605 | if (strict_strtol(buf, 10, &reqval)) | |
606 | return -EINVAL; | |
607 | ||
608 | switch (reqval) { | |
609 | case 0: | |
610 | newval = 0x04; | |
611 | break; | |
612 | case 1: | |
613 | newval = 0x07; | |
614 | break; | |
615 | case 2: | |
616 | newval = 0x00; | |
617 | minoff = 1; | |
618 | break; | |
619 | case 3: | |
620 | newval = 0x00; | |
621 | minoff = 0; | |
622 | break; | |
623 | case 255: | |
624 | newval = 0x03; | |
625 | break; | |
626 | default: | |
627 | return -EINVAL; | |
628 | } | |
629 | ||
630 | config = newval & 0x07; | |
631 | altbit = (newval >> 3) & 0x01; | |
632 | ||
633 | mutex_lock(&data->update_lock); | |
634 | config = (config & param->mask[0]) << param->shift[0]; | |
635 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
636 | currval = read_byte(client, param->msb[0]); | |
637 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
638 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
639 | data->reg[param->msb[0]] = newval; | |
640 | write_byte(client, param->msb[0], newval); | |
641 | if (minoff < 255) { | |
642 | minoff = (minoff & param->mask[2]) << param->shift[2]; | |
643 | currval = read_byte(client, param->msb[2]); | |
644 | newval = | |
645 | minoff | (currval & ~(param->mask[2] << param->shift[2])); | |
646 | data->reg[param->msb[2]] = newval; | |
647 | write_byte(client, param->msb[2], newval); | |
648 | } | |
649 | mutex_unlock(&data->update_lock); | |
650 | return count; | |
651 | } | |
652 | ||
653 | static u32 asc7621_pwm_freq_map[] = { | |
654 | 10, 15, 23, 30, 38, 47, 62, 94, | |
655 | 23000, 24000, 25000, 26000, 27000, 28000, 29000, 30000 | |
656 | }; | |
657 | ||
658 | static ssize_t show_pwm_freq(struct device *dev, | |
659 | struct device_attribute *attr, char *buf) | |
660 | { | |
661 | SETUP_SHOW_data_param(dev, attr); | |
662 | u8 regval = | |
663 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
664 | ||
665 | regval = SENSORS_LIMIT(regval, 0, 15); | |
666 | ||
667 | return sprintf(buf, "%u\n", asc7621_pwm_freq_map[regval]); | |
668 | } | |
669 | ||
670 | static ssize_t store_pwm_freq(struct device *dev, | |
671 | struct device_attribute *attr, | |
672 | const char *buf, size_t count) | |
673 | { | |
674 | SETUP_STORE_data_param(dev, attr); | |
675 | unsigned long reqval; | |
676 | u8 currval, newval = 255; | |
677 | int i; | |
678 | ||
679 | if (strict_strtoul(buf, 10, &reqval)) | |
680 | return -EINVAL; | |
681 | ||
682 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_freq_map); i++) { | |
683 | if (reqval == asc7621_pwm_freq_map[i]) { | |
684 | newval = i; | |
685 | break; | |
686 | } | |
687 | } | |
688 | if (newval == 255) | |
689 | return -EINVAL; | |
690 | ||
691 | newval = (newval & param->mask[0]) << param->shift[0]; | |
692 | ||
693 | mutex_lock(&data->update_lock); | |
694 | currval = read_byte(client, param->msb[0]); | |
695 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
696 | data->reg[param->msb[0]] = newval; | |
697 | write_byte(client, param->msb[0], newval); | |
698 | mutex_unlock(&data->update_lock); | |
699 | return count; | |
700 | } | |
701 | ||
702 | static u32 asc7621_pwm_auto_spinup_map[] = { | |
703 | 0, 100, 250, 400, 700, 1000, 2000, 4000 | |
704 | }; | |
705 | ||
706 | static ssize_t show_pwm_ast(struct device *dev, | |
707 | struct device_attribute *attr, char *buf) | |
708 | { | |
709 | SETUP_SHOW_data_param(dev, attr); | |
710 | u8 regval = | |
711 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
712 | ||
713 | regval = SENSORS_LIMIT(regval, 0, 7); | |
714 | ||
715 | return sprintf(buf, "%u\n", asc7621_pwm_auto_spinup_map[regval]); | |
716 | ||
717 | } | |
718 | ||
719 | static ssize_t store_pwm_ast(struct device *dev, | |
720 | struct device_attribute *attr, | |
721 | const char *buf, size_t count) | |
722 | { | |
723 | SETUP_STORE_data_param(dev, attr); | |
724 | long reqval; | |
725 | u8 currval, newval = 255; | |
726 | u32 i; | |
727 | ||
728 | if (strict_strtol(buf, 10, &reqval)) | |
729 | return -EINVAL; | |
730 | ||
731 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_auto_spinup_map); i++) { | |
732 | if (reqval == asc7621_pwm_auto_spinup_map[i]) { | |
733 | newval = i; | |
734 | break; | |
735 | } | |
736 | } | |
737 | if (newval == 255) | |
738 | return -EINVAL; | |
739 | ||
740 | newval = (newval & param->mask[0]) << param->shift[0]; | |
741 | ||
742 | mutex_lock(&data->update_lock); | |
743 | currval = read_byte(client, param->msb[0]); | |
744 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
745 | data->reg[param->msb[0]] = newval; | |
746 | write_byte(client, param->msb[0], newval); | |
747 | mutex_unlock(&data->update_lock); | |
748 | return count; | |
749 | } | |
750 | ||
751 | static u32 asc7621_temp_smoothing_time_map[] = { | |
752 | 35000, 17600, 11800, 7000, 4400, 3000, 1600, 800 | |
753 | }; | |
754 | ||
755 | static ssize_t show_temp_st(struct device *dev, | |
756 | struct device_attribute *attr, char *buf) | |
757 | { | |
758 | SETUP_SHOW_data_param(dev, attr); | |
759 | u8 regval = | |
760 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
761 | regval = SENSORS_LIMIT(regval, 0, 7); | |
762 | ||
763 | return sprintf(buf, "%u\n", asc7621_temp_smoothing_time_map[regval]); | |
764 | } | |
765 | ||
766 | static ssize_t store_temp_st(struct device *dev, | |
767 | struct device_attribute *attr, | |
768 | const char *buf, size_t count) | |
769 | { | |
770 | SETUP_STORE_data_param(dev, attr); | |
771 | long reqval; | |
772 | u8 currval, newval = 255; | |
773 | u32 i; | |
774 | ||
775 | if (strict_strtol(buf, 10, &reqval)) | |
776 | return -EINVAL; | |
777 | ||
778 | for (i = 0; i < ARRAY_SIZE(asc7621_temp_smoothing_time_map); i++) { | |
779 | if (reqval == asc7621_temp_smoothing_time_map[i]) { | |
780 | newval = i; | |
781 | break; | |
782 | } | |
783 | } | |
784 | ||
785 | if (newval == 255) | |
786 | return -EINVAL; | |
787 | ||
788 | newval = (newval & param->mask[0]) << param->shift[0]; | |
789 | ||
790 | mutex_lock(&data->update_lock); | |
791 | currval = read_byte(client, param->msb[0]); | |
792 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
793 | data->reg[param->msb[0]] = newval; | |
794 | write_byte(client, param->msb[0], newval); | |
795 | mutex_unlock(&data->update_lock); | |
796 | return count; | |
797 | } | |
798 | ||
799 | /* | |
800 | * End of data handlers | |
801 | * | |
802 | * These defines do nothing more than make the table easier | |
803 | * to read when wrapped at column 80. | |
804 | */ | |
805 | ||
806 | /* | |
807 | * Creates a variable length array inititalizer. | |
808 | * VAA(1,3,5,7) would produce {1,3,5,7} | |
809 | */ | |
810 | #define VAA(args...) {args} | |
811 | ||
812 | #define PREAD(name, n, pri, rm, rl, m, s, r) \ | |
813 | {.sda = SENSOR_ATTR(name, S_IRUGO, show_##r, NULL, n), \ | |
814 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
815 | .shift[0] = s,} | |
816 | ||
817 | #define PWRITE(name, n, pri, rm, rl, m, s, r) \ | |
818 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
819 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
820 | .shift[0] = s,} | |
821 | ||
822 | /* | |
823 | * PWRITEM assumes that the initializers for the .msb, .lsb, .mask and .shift | |
824 | * were created using the VAA macro. | |
825 | */ | |
826 | #define PWRITEM(name, n, pri, rm, rl, m, s, r) \ | |
827 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
828 | .priority = pri, .msb = rm, .lsb = rl, .mask = m, .shift = s,} | |
829 | ||
830 | static struct asc7621_param asc7621_params[] = { | |
831 | PREAD(in0_input, 0, PRI_HIGH, 0x20, 0x13, 0, 0, in10), | |
832 | PREAD(in1_input, 1, PRI_HIGH, 0x21, 0x18, 0, 0, in10), | |
833 | PREAD(in2_input, 2, PRI_HIGH, 0x22, 0x11, 0, 0, in10), | |
834 | PREAD(in3_input, 3, PRI_HIGH, 0x23, 0x12, 0, 0, in10), | |
835 | PREAD(in4_input, 4, PRI_HIGH, 0x24, 0x14, 0, 0, in10), | |
836 | ||
837 | PWRITE(in0_min, 0, PRI_LOW, 0x44, 0, 0, 0, in8), | |
838 | PWRITE(in1_min, 1, PRI_LOW, 0x46, 0, 0, 0, in8), | |
839 | PWRITE(in2_min, 2, PRI_LOW, 0x48, 0, 0, 0, in8), | |
840 | PWRITE(in3_min, 3, PRI_LOW, 0x4a, 0, 0, 0, in8), | |
841 | PWRITE(in4_min, 4, PRI_LOW, 0x4c, 0, 0, 0, in8), | |
842 | ||
843 | PWRITE(in0_max, 0, PRI_LOW, 0x45, 0, 0, 0, in8), | |
844 | PWRITE(in1_max, 1, PRI_LOW, 0x47, 0, 0, 0, in8), | |
845 | PWRITE(in2_max, 2, PRI_LOW, 0x49, 0, 0, 0, in8), | |
846 | PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8), | |
847 | PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8), | |
848 | ||
849 | PREAD(in0_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 0, bitmask), | |
850 | PREAD(in1_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 1, bitmask), | |
851 | PREAD(in2_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 2, bitmask), | |
852 | PREAD(in3_alarm, 3, PRI_LOW, 0x41, 0, 0x01, 3, bitmask), | |
853 | PREAD(in4_alarm, 4, PRI_LOW, 0x42, 0, 0x01, 0, bitmask), | |
854 | ||
855 | PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16), | |
856 | PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16), | |
857 | PREAD(fan3_input, 2, PRI_HIGH, 0x2d, 0x2c, 0, 0, fan16), | |
858 | PREAD(fan4_input, 3, PRI_HIGH, 0x2f, 0x2e, 0, 0, fan16), | |
859 | ||
860 | PWRITE(fan1_min, 0, PRI_LOW, 0x55, 0x54, 0, 0, fan16), | |
861 | PWRITE(fan2_min, 1, PRI_LOW, 0x57, 0x56, 0, 0, fan16), | |
862 | PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16), | |
863 | PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16), | |
864 | ||
865 | PREAD(fan1_alarm, 0, PRI_LOW, 0x42, 0, 0x01, 0, bitmask), | |
866 | PREAD(fan2_alarm, 1, PRI_LOW, 0x42, 0, 0x01, 1, bitmask), | |
867 | PREAD(fan3_alarm, 2, PRI_LOW, 0x42, 0, 0x01, 2, bitmask), | |
868 | PREAD(fan4_alarm, 3, PRI_LOW, 0x42, 0, 0x01, 3, bitmask), | |
869 | ||
870 | PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10), | |
871 | PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10), | |
872 | PREAD(temp3_input, 2, PRI_HIGH, 0x27, 0x16, 0, 0, temp10), | |
873 | PREAD(temp4_input, 3, PRI_HIGH, 0x33, 0x17, 0, 0, temp10), | |
874 | PREAD(temp5_input, 4, PRI_HIGH, 0xf7, 0xf6, 0, 0, temp10), | |
875 | PREAD(temp6_input, 5, PRI_HIGH, 0xf9, 0xf8, 0, 0, temp10), | |
876 | PREAD(temp7_input, 6, PRI_HIGH, 0xfb, 0xfa, 0, 0, temp10), | |
877 | PREAD(temp8_input, 7, PRI_HIGH, 0xfd, 0xfc, 0, 0, temp10), | |
878 | ||
879 | PWRITE(temp1_min, 0, PRI_LOW, 0x4e, 0, 0, 0, temp8), | |
880 | PWRITE(temp2_min, 1, PRI_LOW, 0x50, 0, 0, 0, temp8), | |
881 | PWRITE(temp3_min, 2, PRI_LOW, 0x52, 0, 0, 0, temp8), | |
882 | PWRITE(temp4_min, 3, PRI_LOW, 0x34, 0, 0, 0, temp8), | |
883 | ||
884 | PWRITE(temp1_max, 0, PRI_LOW, 0x4f, 0, 0, 0, temp8), | |
885 | PWRITE(temp2_max, 1, PRI_LOW, 0x51, 0, 0, 0, temp8), | |
886 | PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8), | |
887 | PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8), | |
888 | ||
889 | PREAD(temp1_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 4, bitmask), | |
890 | PREAD(temp2_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 5, bitmask), | |
891 | PREAD(temp3_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 6, bitmask), | |
892 | PREAD(temp4_alarm, 3, PRI_LOW, 0x43, 0, 0x01, 0, bitmask), | |
893 | ||
894 | PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask), | |
895 | PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask), | |
896 | PWRITE(temp3_source, 2, PRI_LOW, 0x03, 0, 0x07, 4, bitmask), | |
897 | PWRITE(temp4_source, 3, PRI_LOW, 0x03, 0, 0x07, 0, bitmask), | |
898 | ||
899 | PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask), | |
900 | PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask), | |
901 | PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x64, 0, 0x01, 3, bitmask), | |
902 | PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask), | |
903 | ||
904 | PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st), | |
905 | PWRITE(temp2_smoothing_time, 1, PRI_LOW, 0x63, 0, 0x07, 4, temp_st), | |
906 | PWRITE(temp3_smoothing_time, 2, PRI_LOW, 0x63, 0, 0x07, 0, temp_st), | |
907 | PWRITE(temp4_smoothing_time, 3, PRI_LOW, 0x3c, 0, 0x07, 0, temp_st), | |
908 | ||
909 | PWRITE(temp1_auto_point1_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
910 | bitmask), | |
911 | PWRITE(temp2_auto_point1_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
912 | bitmask), | |
913 | PWRITE(temp3_auto_point1_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
914 | bitmask), | |
915 | PWRITE(temp4_auto_point1_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
916 | bitmask), | |
917 | ||
918 | PREAD(temp1_auto_point2_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
919 | bitmask), | |
920 | PREAD(temp2_auto_point2_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
921 | bitmask), | |
922 | PREAD(temp3_auto_point2_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
923 | bitmask), | |
924 | PREAD(temp4_auto_point2_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
925 | bitmask), | |
926 | ||
927 | PWRITE(temp1_auto_point1_temp, 0, PRI_LOW, 0x67, 0, 0, 0, temp8), | |
928 | PWRITE(temp2_auto_point1_temp, 1, PRI_LOW, 0x68, 0, 0, 0, temp8), | |
929 | PWRITE(temp3_auto_point1_temp, 2, PRI_LOW, 0x69, 0, 0, 0, temp8), | |
930 | PWRITE(temp4_auto_point1_temp, 3, PRI_LOW, 0x3b, 0, 0, 0, temp8), | |
931 | ||
932 | PWRITEM(temp1_auto_point2_temp, 0, PRI_LOW, VAA(0x5f, 0x67), VAA(0), | |
933 | VAA(0x0f), VAA(4), ap2_temp), | |
934 | PWRITEM(temp2_auto_point2_temp, 1, PRI_LOW, VAA(0x60, 0x68), VAA(0), | |
935 | VAA(0x0f), VAA(4), ap2_temp), | |
936 | PWRITEM(temp3_auto_point2_temp, 2, PRI_LOW, VAA(0x61, 0x69), VAA(0), | |
937 | VAA(0x0f), VAA(4), ap2_temp), | |
938 | PWRITEM(temp4_auto_point2_temp, 3, PRI_LOW, VAA(0x3c, 0x3b), VAA(0), | |
939 | VAA(0x0f), VAA(4), ap2_temp), | |
940 | ||
941 | PWRITE(temp1_crit, 0, PRI_LOW, 0x6a, 0, 0, 0, temp8), | |
942 | PWRITE(temp2_crit, 1, PRI_LOW, 0x6b, 0, 0, 0, temp8), | |
943 | PWRITE(temp3_crit, 2, PRI_LOW, 0x6c, 0, 0, 0, temp8), | |
944 | PWRITE(temp4_crit, 3, PRI_LOW, 0x3d, 0, 0, 0, temp8), | |
945 | ||
946 | PWRITE(temp5_enable, 4, PRI_LOW, 0x0e, 0, 0x01, 0, bitmask), | |
947 | PWRITE(temp6_enable, 5, PRI_LOW, 0x0e, 0, 0x01, 1, bitmask), | |
948 | PWRITE(temp7_enable, 6, PRI_LOW, 0x0e, 0, 0x01, 2, bitmask), | |
949 | PWRITE(temp8_enable, 7, PRI_LOW, 0x0e, 0, 0x01, 3, bitmask), | |
950 | ||
951 | PWRITE(remote1_offset, 0, PRI_LOW, 0x1c, 0, 0, 0, temp62), | |
952 | PWRITE(remote2_offset, 1, PRI_LOW, 0x1d, 0, 0, 0, temp62), | |
953 | ||
954 | PWRITE(pwm1, 0, PRI_HIGH, 0x30, 0, 0, 0, u8), | |
955 | PWRITE(pwm2, 1, PRI_HIGH, 0x31, 0, 0, 0, u8), | |
956 | PWRITE(pwm3, 2, PRI_HIGH, 0x32, 0, 0, 0, u8), | |
957 | ||
958 | PWRITE(pwm1_invert, 0, PRI_LOW, 0x5c, 0, 0x01, 4, bitmask), | |
959 | PWRITE(pwm2_invert, 1, PRI_LOW, 0x5d, 0, 0x01, 4, bitmask), | |
960 | PWRITE(pwm3_invert, 2, PRI_LOW, 0x5e, 0, 0x01, 4, bitmask), | |
961 | ||
962 | PWRITEM(pwm1_enable, 0, PRI_LOW, VAA(0x5c, 0x5c, 0x62), VAA(0, 0, 0), | |
963 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 5), pwm_enable), | |
964 | PWRITEM(pwm2_enable, 1, PRI_LOW, VAA(0x5d, 0x5d, 0x62), VAA(0, 0, 0), | |
965 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 6), pwm_enable), | |
966 | PWRITEM(pwm3_enable, 2, PRI_LOW, VAA(0x5e, 0x5e, 0x62), VAA(0, 0, 0), | |
967 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 7), pwm_enable), | |
968 | ||
969 | PWRITEM(pwm1_auto_channels, 0, PRI_LOW, VAA(0x5c, 0x5c), VAA(0, 0), | |
970 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
971 | PWRITEM(pwm2_auto_channels, 1, PRI_LOW, VAA(0x5d, 0x5d), VAA(0, 0), | |
972 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
973 | PWRITEM(pwm3_auto_channels, 2, PRI_LOW, VAA(0x5e, 0x5e), VAA(0, 0), | |
974 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
975 | ||
976 | PWRITE(pwm1_auto_point1_pwm, 0, PRI_LOW, 0x64, 0, 0, 0, u8), | |
977 | PWRITE(pwm2_auto_point1_pwm, 1, PRI_LOW, 0x65, 0, 0, 0, u8), | |
978 | PWRITE(pwm3_auto_point1_pwm, 2, PRI_LOW, 0x66, 0, 0, 0, u8), | |
979 | ||
980 | PWRITE(pwm1_auto_point2_pwm, 0, PRI_LOW, 0x38, 0, 0, 0, u8), | |
981 | PWRITE(pwm2_auto_point2_pwm, 1, PRI_LOW, 0x39, 0, 0, 0, u8), | |
982 | PWRITE(pwm3_auto_point2_pwm, 2, PRI_LOW, 0x3a, 0, 0, 0, u8), | |
983 | ||
984 | PWRITE(pwm1_freq, 0, PRI_LOW, 0x5f, 0, 0x0f, 0, pwm_freq), | |
985 | PWRITE(pwm2_freq, 1, PRI_LOW, 0x60, 0, 0x0f, 0, pwm_freq), | |
986 | PWRITE(pwm3_freq, 2, PRI_LOW, 0x61, 0, 0x0f, 0, pwm_freq), | |
987 | ||
988 | PREAD(pwm1_auto_zone_assigned, 0, PRI_LOW, 0, 0, 0x03, 2, bitmask), | |
989 | PREAD(pwm2_auto_zone_assigned, 1, PRI_LOW, 0, 0, 0x03, 4, bitmask), | |
990 | PREAD(pwm3_auto_zone_assigned, 2, PRI_LOW, 0, 0, 0x03, 6, bitmask), | |
991 | ||
992 | PWRITE(pwm1_auto_spinup_time, 0, PRI_LOW, 0x5c, 0, 0x07, 0, pwm_ast), | |
993 | PWRITE(pwm2_auto_spinup_time, 1, PRI_LOW, 0x5d, 0, 0x07, 0, pwm_ast), | |
994 | PWRITE(pwm3_auto_spinup_time, 2, PRI_LOW, 0x5e, 0, 0x07, 0, pwm_ast), | |
995 | ||
996 | PWRITE(peci_enable, 0, PRI_LOW, 0x40, 0, 0x01, 4, bitmask), | |
997 | PWRITE(peci_avg, 0, PRI_LOW, 0x36, 0, 0x07, 0, bitmask), | |
998 | PWRITE(peci_domain, 0, PRI_LOW, 0x36, 0, 0x01, 3, bitmask), | |
999 | PWRITE(peci_legacy, 0, PRI_LOW, 0x36, 0, 0x01, 4, bitmask), | |
1000 | PWRITE(peci_diode, 0, PRI_LOW, 0x0e, 0, 0x07, 4, bitmask), | |
1001 | PWRITE(peci_4domain, 0, PRI_LOW, 0x0e, 0, 0x01, 4, bitmask), | |
1002 | ||
1003 | }; | |
1004 | ||
1005 | static struct asc7621_data *asc7621_update_device(struct device *dev) | |
1006 | { | |
1007 | struct i2c_client *client = to_i2c_client(dev); | |
1008 | struct asc7621_data *data = i2c_get_clientdata(client); | |
1009 | int i; | |
1010 | ||
1011 | /* | |
1012 | * The asc7621 chips guarantee consistent reads of multi-byte values | |
1013 | * regardless of the order of the reads. No special logic is needed | |
1014 | * so we can just read the registers in whatever order they appear | |
1015 | * in the asc7621_params array. | |
1016 | */ | |
1017 | ||
1018 | mutex_lock(&data->update_lock); | |
1019 | ||
1020 | /* Read all the high priority registers */ | |
1021 | ||
1022 | if (!data->valid || | |
1023 | time_after(jiffies, data->last_high_reading + INTERVAL_HIGH)) { | |
1024 | ||
1025 | for (i = 0; i < ARRAY_SIZE(asc7621_register_priorities); i++) { | |
1026 | if (asc7621_register_priorities[i] == PRI_HIGH) { | |
1027 | data->reg[i] = | |
1028 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1029 | } | |
1030 | } | |
1031 | data->last_high_reading = jiffies; | |
1032 | }; /* last_reading */ | |
1033 | ||
1034 | /* Read all the low priority registers. */ | |
1035 | ||
1036 | if (!data->valid || | |
1037 | time_after(jiffies, data->last_low_reading + INTERVAL_LOW)) { | |
1038 | ||
1039 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1040 | if (asc7621_register_priorities[i] == PRI_LOW) { | |
1041 | data->reg[i] = | |
1042 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1043 | } | |
1044 | } | |
1045 | data->last_low_reading = jiffies; | |
1046 | }; /* last_reading */ | |
1047 | ||
1048 | data->valid = 1; | |
1049 | ||
1050 | mutex_unlock(&data->update_lock); | |
1051 | ||
1052 | return data; | |
1053 | } | |
1054 | ||
1055 | /* | |
1056 | * Standard detection and initialization below | |
1057 | * | |
1058 | * Helper function that checks if an address is valid | |
1059 | * for a particular chip. | |
1060 | */ | |
1061 | ||
1062 | static inline int valid_address_for_chip(int chip_type, int address) | |
1063 | { | |
1064 | int i; | |
1065 | ||
1066 | for (i = 0; asc7621_chips[chip_type].addresses[i] != I2C_CLIENT_END; | |
1067 | i++) { | |
1068 | if (asc7621_chips[chip_type].addresses[i] == address) | |
1069 | return 1; | |
1070 | } | |
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | static void asc7621_init_client(struct i2c_client *client) | |
1075 | { | |
1076 | int value; | |
1077 | ||
1078 | /* Warn if part was not "READY" */ | |
1079 | ||
1080 | value = read_byte(client, 0x40); | |
1081 | ||
1082 | if (value & 0x02) { | |
1083 | dev_err(&client->dev, | |
1084 | "Client (%d,0x%02x) config is locked.\n", | |
1085 | i2c_adapter_id(client->adapter), client->addr); | |
1086 | }; | |
1087 | if (!(value & 0x04)) { | |
1088 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", | |
1089 | i2c_adapter_id(client->adapter), client->addr); | |
1090 | }; | |
1091 | ||
1092 | /* | |
1093 | * Start monitoring | |
1094 | * | |
1095 | * Try to clear LOCK, Set START, save everything else | |
1096 | */ | |
1097 | value = (value & ~0x02) | 0x01; | |
1098 | write_byte(client, 0x40, value & 0xff); | |
1099 | ||
1100 | } | |
1101 | ||
1102 | static int | |
1103 | asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1104 | { | |
1105 | struct asc7621_data *data; | |
1106 | int i, err; | |
1107 | ||
1108 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1109 | return -EIO; | |
1110 | ||
1111 | data = kzalloc(sizeof(struct asc7621_data), GFP_KERNEL); | |
1112 | if (data == NULL) | |
1113 | return -ENOMEM; | |
1114 | ||
1115 | i2c_set_clientdata(client, data); | |
1116 | data->valid = 0; | |
1117 | mutex_init(&data->update_lock); | |
1118 | ||
1119 | /* Initialize the asc7621 chip */ | |
1120 | asc7621_init_client(client); | |
1121 | ||
1122 | /* Create the sysfs entries */ | |
1123 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1124 | err = | |
1125 | device_create_file(&client->dev, | |
1126 | &(asc7621_params[i].sda.dev_attr)); | |
1127 | if (err) | |
1128 | goto exit_remove; | |
1129 | } | |
1130 | ||
1131 | data->class_dev = hwmon_device_register(&client->dev); | |
1132 | if (IS_ERR(data->class_dev)) { | |
1133 | err = PTR_ERR(data->class_dev); | |
1134 | goto exit_remove; | |
1135 | } | |
1136 | ||
1137 | return 0; | |
1138 | ||
1139 | exit_remove: | |
1140 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1141 | device_remove_file(&client->dev, | |
1142 | &(asc7621_params[i].sda.dev_attr)); | |
1143 | } | |
1144 | ||
1145 | i2c_set_clientdata(client, NULL); | |
1146 | kfree(data); | |
1147 | return err; | |
1148 | } | |
1149 | ||
1150 | static int asc7621_detect(struct i2c_client *client, | |
1151 | struct i2c_board_info *info) | |
1152 | { | |
1153 | struct i2c_adapter *adapter = client->adapter; | |
1154 | int company, verstep, chip_index; | |
1155 | struct device *dev; | |
1156 | ||
1157 | dev = &client->dev; | |
1158 | ||
1159 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1160 | return -ENODEV; | |
1161 | ||
1162 | for (chip_index = FIRST_CHIP; chip_index <= LAST_CHIP; chip_index++) { | |
1163 | ||
1164 | if (!valid_address_for_chip(chip_index, client->addr)) | |
1165 | continue; | |
1166 | ||
1167 | company = read_byte(client, | |
1168 | asc7621_chips[chip_index].company_reg); | |
1169 | verstep = read_byte(client, | |
1170 | asc7621_chips[chip_index].verstep_reg); | |
1171 | ||
1172 | if (company == asc7621_chips[chip_index].company_id && | |
1173 | verstep == asc7621_chips[chip_index].verstep_id) { | |
1174 | strlcpy(client->name, asc7621_chips[chip_index].name, | |
1175 | I2C_NAME_SIZE); | |
1176 | strlcpy(info->type, asc7621_chips[chip_index].name, | |
1177 | I2C_NAME_SIZE); | |
1178 | ||
1179 | dev_info(&adapter->dev, "Matched %s\n", | |
1180 | asc7621_chips[chip_index].name); | |
1181 | return 0; | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | return -ENODEV; | |
1186 | } | |
1187 | ||
1188 | static int asc7621_remove(struct i2c_client *client) | |
1189 | { | |
1190 | struct asc7621_data *data = i2c_get_clientdata(client); | |
1191 | int i; | |
1192 | ||
1193 | hwmon_device_unregister(data->class_dev); | |
1194 | ||
1195 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1196 | device_remove_file(&client->dev, | |
1197 | &(asc7621_params[i].sda.dev_attr)); | |
1198 | } | |
1199 | ||
1200 | i2c_set_clientdata(client, NULL); | |
1201 | kfree(data); | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | static const struct i2c_device_id asc7621_id[] = { | |
1206 | {"asc7621", asc7621}, | |
1207 | {"asc7621a", asc7621a}, | |
1208 | {}, | |
1209 | }; | |
1210 | ||
1211 | MODULE_DEVICE_TABLE(i2c, asc7621_id); | |
1212 | ||
1213 | static struct i2c_driver asc7621_driver = { | |
1214 | .class = I2C_CLASS_HWMON, | |
1215 | .driver = { | |
1216 | .name = "asc7621", | |
1217 | }, | |
1218 | .probe = asc7621_probe, | |
1219 | .remove = asc7621_remove, | |
1220 | .id_table = asc7621_id, | |
1221 | .detect = asc7621_detect, | |
1222 | .address_list = normal_i2c, | |
1223 | }; | |
1224 | ||
1225 | static int __init sm_asc7621_init(void) | |
1226 | { | |
1227 | int i, j; | |
1228 | /* | |
1229 | * Collect all the registers needed into a single array. | |
1230 | * This way, if a register isn't actually used for anything, | |
1231 | * we don't retrieve it. | |
1232 | */ | |
1233 | ||
1234 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1235 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].msb); j++) | |
1236 | asc7621_register_priorities[asc7621_params[i].msb[j]] = | |
1237 | asc7621_params[i].priority; | |
1238 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].lsb); j++) | |
1239 | asc7621_register_priorities[asc7621_params[i].lsb[j]] = | |
1240 | asc7621_params[i].priority; | |
1241 | } | |
1242 | return i2c_add_driver(&asc7621_driver); | |
1243 | } | |
1244 | ||
1245 | static void __exit sm_asc7621_exit(void) | |
1246 | { | |
1247 | i2c_del_driver(&asc7621_driver); | |
1248 | } | |
1249 | ||
1250 | MODULE_LICENSE("GPL"); | |
1251 | MODULE_AUTHOR("George Joseph"); | |
1252 | MODULE_DESCRIPTION("Andigilog aSC7621 and aSC7621a driver"); | |
1253 | ||
1254 | module_init(sm_asc7621_init); | |
1255 | module_exit(sm_asc7621_exit); |