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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 */ | |
918ee91c | 31 | static const unsigned short normal_i2c[] = { |
d58de038 GJ |
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; | |
918ee91c | 55 | const unsigned short *addresses; |
d58de038 GJ |
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 | ||
088ce2ac | 162 | #define SETUP_SHOW_DATA_PARAM(d, a) \ |
d58de038 GJ |
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 | ||
088ce2ac | 167 | #define SETUP_STORE_DATA_PARAM(d, a) \ |
d58de038 GJ |
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 | { | |
088ce2ac | 180 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
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 | { | |
088ce2ac | 188 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
189 | long reqval; |
190 | ||
179c4fdb | 191 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
192 | return -EINVAL; |
193 | ||
2a844c14 | 194 | reqval = clamp_val(reqval, 0, 255); |
d58de038 GJ |
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 | { | |
088ce2ac | 209 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
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 | { | |
088ce2ac | 220 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
221 | long reqval; |
222 | u8 currval; | |
223 | ||
179c4fdb | 224 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
225 | return -EINVAL; |
226 | ||
2a844c14 | 227 | reqval = clamp_val(reqval, 0, param->mask[0]); |
d58de038 GJ |
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 | { | |
088ce2ac | 249 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
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 | { | |
088ce2ac | 265 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
266 | long reqval; |
267 | ||
179c4fdb | 268 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
269 | return -EINVAL; |
270 | ||
3c56b066 GR |
271 | /* |
272 | * If a minimum RPM of zero is requested, then we set the register to | |
273 | * 0xffff. This value allows the fan to be stopped completely without | |
274 | * generating an alarm. | |
275 | */ | |
d58de038 | 276 | reqval = |
2a844c14 | 277 | (reqval <= 0 ? 0xffff : clamp_val(5400000 / reqval, 0, 0xfffe)); |
d58de038 GJ |
278 | |
279 | mutex_lock(&data->update_lock); | |
280 | data->reg[param->msb[0]] = (reqval >> 8) & 0xff; | |
281 | data->reg[param->lsb[0]] = reqval & 0xff; | |
282 | write_byte(client, param->msb[0], data->reg[param->msb[0]]); | |
283 | write_byte(client, param->lsb[0], data->reg[param->lsb[0]]); | |
284 | mutex_unlock(&data->update_lock); | |
285 | ||
286 | return count; | |
287 | } | |
288 | ||
289 | /* | |
290 | * Voltages are scaled in the device so that the nominal voltage | |
291 | * is 3/4ths of the 0-255 range (i.e. 192). | |
292 | * If all voltages are 'normal' then all voltage registers will | |
d1bf8cf6 KM |
293 | * read 0xC0. |
294 | * | |
295 | * The data sheet provides us with the 3/4 scale value for each voltage | |
d58de038 GJ |
296 | * which is stored in in_scaling. The sda->index parameter value provides |
297 | * the index into in_scaling. | |
298 | * | |
299 | * NOTE: The chip expects the first 2 inputs be 2.5 and 2.25 volts | |
300 | * respectively. That doesn't mean that's what the motherboard provides. :) | |
301 | */ | |
302 | ||
303 | static int asc7621_in_scaling[] = { | |
d1bf8cf6 | 304 | 2500, 2250, 3300, 5000, 12000 |
d58de038 GJ |
305 | }; |
306 | ||
307 | static ssize_t show_in10(struct device *dev, struct device_attribute *attr, | |
308 | char *buf) | |
309 | { | |
088ce2ac | 310 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
311 | u16 regval; |
312 | u8 nr = sda->index; | |
313 | ||
314 | mutex_lock(&data->update_lock); | |
d1bf8cf6 | 315 | regval = (data->reg[param->msb[0]] << 8) | (data->reg[param->lsb[0]]); |
d58de038 GJ |
316 | mutex_unlock(&data->update_lock); |
317 | ||
d1bf8cf6 KM |
318 | /* The LSB value is a 2-bit scaling of the MSB's LSbit value. */ |
319 | regval = (regval >> 6) * asc7621_in_scaling[nr] / (0xc0 << 2); | |
320 | ||
d58de038 GJ |
321 | return sprintf(buf, "%u\n", regval); |
322 | } | |
323 | ||
324 | /* 8 bit voltage values (the mins and maxs) */ | |
325 | static ssize_t show_in8(struct device *dev, struct device_attribute *attr, | |
326 | char *buf) | |
327 | { | |
088ce2ac | 328 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
329 | u8 nr = sda->index; |
330 | ||
331 | return sprintf(buf, "%u\n", | |
332 | ((data->reg[param->msb[0]] * | |
d1bf8cf6 | 333 | asc7621_in_scaling[nr]) / 0xc0)); |
d58de038 GJ |
334 | } |
335 | ||
336 | static ssize_t store_in8(struct device *dev, struct device_attribute *attr, | |
337 | const char *buf, size_t count) | |
338 | { | |
088ce2ac | 339 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
340 | long reqval; |
341 | u8 nr = sda->index; | |
342 | ||
179c4fdb | 343 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
344 | return -EINVAL; |
345 | ||
2a844c14 | 346 | reqval = clamp_val(reqval, 0, 0xffff); |
d1bf8cf6 KM |
347 | |
348 | reqval = reqval * 0xc0 / asc7621_in_scaling[nr]; | |
d58de038 | 349 | |
2a844c14 | 350 | reqval = clamp_val(reqval, 0, 0xff); |
d58de038 GJ |
351 | |
352 | mutex_lock(&data->update_lock); | |
353 | data->reg[param->msb[0]] = reqval; | |
354 | write_byte(client, param->msb[0], reqval); | |
355 | mutex_unlock(&data->update_lock); | |
356 | ||
357 | return count; | |
358 | } | |
359 | ||
360 | static ssize_t show_temp8(struct device *dev, | |
361 | struct device_attribute *attr, char *buf) | |
362 | { | |
088ce2ac | 363 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
364 | |
365 | return sprintf(buf, "%d\n", ((s8) data->reg[param->msb[0]]) * 1000); | |
366 | } | |
367 | ||
368 | static ssize_t store_temp8(struct device *dev, | |
369 | struct device_attribute *attr, const char *buf, | |
370 | size_t count) | |
371 | { | |
088ce2ac | 372 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
373 | long reqval; |
374 | s8 temp; | |
375 | ||
179c4fdb | 376 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
377 | return -EINVAL; |
378 | ||
2a844c14 | 379 | reqval = clamp_val(reqval, -127000, 127000); |
d58de038 GJ |
380 | |
381 | temp = reqval / 1000; | |
382 | ||
383 | mutex_lock(&data->update_lock); | |
384 | data->reg[param->msb[0]] = temp; | |
385 | write_byte(client, param->msb[0], temp); | |
386 | mutex_unlock(&data->update_lock); | |
387 | return count; | |
388 | } | |
389 | ||
390 | /* | |
391 | * Temperatures that occupy 2 bytes always have the whole | |
392 | * number of degrees in the MSB with some part of the LSB | |
393 | * indicating fractional degrees. | |
394 | */ | |
395 | ||
396 | /* mmmmmmmm.llxxxxxx */ | |
397 | static ssize_t show_temp10(struct device *dev, | |
398 | struct device_attribute *attr, char *buf) | |
399 | { | |
088ce2ac | 400 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
401 | u8 msb, lsb; |
402 | int temp; | |
403 | ||
404 | mutex_lock(&data->update_lock); | |
405 | msb = data->reg[param->msb[0]]; | |
406 | lsb = (data->reg[param->lsb[0]] >> 6) & 0x03; | |
407 | temp = (((s8) msb) * 1000) + (lsb * 250); | |
408 | mutex_unlock(&data->update_lock); | |
409 | ||
410 | return sprintf(buf, "%d\n", temp); | |
411 | } | |
412 | ||
413 | /* mmmmmm.ll */ | |
414 | static ssize_t show_temp62(struct device *dev, | |
415 | struct device_attribute *attr, char *buf) | |
416 | { | |
088ce2ac | 417 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
418 | u8 regval = data->reg[param->msb[0]]; |
419 | int temp = ((s8) (regval & 0xfc) * 1000) + ((regval & 0x03) * 250); | |
420 | ||
421 | return sprintf(buf, "%d\n", temp); | |
422 | } | |
423 | ||
424 | static ssize_t store_temp62(struct device *dev, | |
425 | struct device_attribute *attr, const char *buf, | |
426 | size_t count) | |
427 | { | |
088ce2ac | 428 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
429 | long reqval, i, f; |
430 | s8 temp; | |
431 | ||
179c4fdb | 432 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
433 | return -EINVAL; |
434 | ||
2a844c14 | 435 | reqval = clamp_val(reqval, -32000, 31750); |
d58de038 GJ |
436 | i = reqval / 1000; |
437 | f = reqval - (i * 1000); | |
438 | temp = i << 2; | |
439 | temp |= f / 250; | |
440 | ||
441 | mutex_lock(&data->update_lock); | |
442 | data->reg[param->msb[0]] = temp; | |
443 | write_byte(client, param->msb[0], temp); | |
444 | mutex_unlock(&data->update_lock); | |
445 | return count; | |
446 | } | |
447 | ||
448 | /* | |
449 | * The aSC7621 doesn't provide an "auto_point2". Instead, you | |
450 | * specify the auto_point1 and a range. To keep with the sysfs | |
451 | * hwmon specs, we synthesize the auto_point_2 from them. | |
452 | */ | |
453 | ||
454 | static u32 asc7621_range_map[] = { | |
455 | 2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000, | |
456 | 13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000, | |
457 | }; | |
458 | ||
459 | static ssize_t show_ap2_temp(struct device *dev, | |
460 | struct device_attribute *attr, char *buf) | |
461 | { | |
088ce2ac | 462 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
463 | long auto_point1; |
464 | u8 regval; | |
465 | int temp; | |
466 | ||
467 | mutex_lock(&data->update_lock); | |
468 | auto_point1 = ((s8) data->reg[param->msb[1]]) * 1000; | |
469 | regval = | |
470 | ((data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]); | |
2a844c14 | 471 | temp = auto_point1 + asc7621_range_map[clamp_val(regval, 0, 15)]; |
d58de038 GJ |
472 | mutex_unlock(&data->update_lock); |
473 | ||
474 | return sprintf(buf, "%d\n", temp); | |
475 | ||
476 | } | |
477 | ||
478 | static ssize_t store_ap2_temp(struct device *dev, | |
479 | struct device_attribute *attr, | |
480 | const char *buf, size_t count) | |
481 | { | |
088ce2ac | 482 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
483 | long reqval, auto_point1; |
484 | int i; | |
485 | u8 currval, newval = 0; | |
486 | ||
179c4fdb | 487 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
488 | return -EINVAL; |
489 | ||
490 | mutex_lock(&data->update_lock); | |
491 | auto_point1 = data->reg[param->msb[1]] * 1000; | |
2a844c14 | 492 | reqval = clamp_val(reqval, auto_point1 + 2000, auto_point1 + 80000); |
d58de038 GJ |
493 | |
494 | for (i = ARRAY_SIZE(asc7621_range_map) - 1; i >= 0; i--) { | |
495 | if (reqval >= auto_point1 + asc7621_range_map[i]) { | |
496 | newval = i; | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
501 | newval = (newval & param->mask[0]) << param->shift[0]; | |
502 | currval = read_byte(client, param->msb[0]); | |
503 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
504 | data->reg[param->msb[0]] = newval; | |
505 | write_byte(client, param->msb[0], newval); | |
506 | mutex_unlock(&data->update_lock); | |
507 | return count; | |
508 | } | |
509 | ||
510 | static ssize_t show_pwm_ac(struct device *dev, | |
511 | struct device_attribute *attr, char *buf) | |
512 | { | |
088ce2ac | 513 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
514 | u8 config, altbit, regval; |
515 | u8 map[] = { | |
516 | 0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10, | |
517 | 0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f | |
518 | }; | |
519 | ||
520 | mutex_lock(&data->update_lock); | |
521 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
522 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
523 | regval = config | (altbit << 3); | |
524 | mutex_unlock(&data->update_lock); | |
525 | ||
2a844c14 | 526 | return sprintf(buf, "%u\n", map[clamp_val(regval, 0, 15)]); |
d58de038 GJ |
527 | } |
528 | ||
529 | static ssize_t store_pwm_ac(struct device *dev, | |
530 | struct device_attribute *attr, | |
531 | const char *buf, size_t count) | |
532 | { | |
088ce2ac | 533 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
534 | unsigned long reqval; |
535 | u8 currval, config, altbit, newval; | |
536 | u16 map[] = { | |
537 | 0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06, | |
538 | 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, | |
539 | 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
540 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, | |
541 | }; | |
542 | ||
179c4fdb | 543 | if (kstrtoul(buf, 10, &reqval)) |
d58de038 GJ |
544 | return -EINVAL; |
545 | ||
546 | if (reqval > 31) | |
547 | return -EINVAL; | |
548 | ||
549 | reqval = map[reqval]; | |
550 | if (reqval == 0xff) | |
551 | return -EINVAL; | |
552 | ||
553 | config = reqval & 0x07; | |
554 | altbit = (reqval >> 3) & 0x01; | |
555 | ||
556 | config = (config & param->mask[0]) << param->shift[0]; | |
557 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
558 | ||
559 | mutex_lock(&data->update_lock); | |
560 | currval = read_byte(client, param->msb[0]); | |
561 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
562 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
563 | data->reg[param->msb[0]] = newval; | |
564 | write_byte(client, param->msb[0], newval); | |
565 | mutex_unlock(&data->update_lock); | |
566 | return count; | |
567 | } | |
568 | ||
569 | static ssize_t show_pwm_enable(struct device *dev, | |
570 | struct device_attribute *attr, char *buf) | |
571 | { | |
088ce2ac | 572 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
573 | u8 config, altbit, minoff, val, newval; |
574 | ||
575 | mutex_lock(&data->update_lock); | |
576 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
577 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
578 | minoff = (data->reg[param->msb[2]] >> param->shift[2]) & param->mask[2]; | |
579 | mutex_unlock(&data->update_lock); | |
580 | ||
581 | val = config | (altbit << 3); | |
582 | newval = 0; | |
583 | ||
584 | if (val == 3 || val >= 10) | |
585 | newval = 255; | |
586 | else if (val == 4) | |
587 | newval = 0; | |
588 | else if (val == 7) | |
589 | newval = 1; | |
590 | else if (minoff == 1) | |
591 | newval = 2; | |
592 | else | |
593 | newval = 3; | |
594 | ||
595 | return sprintf(buf, "%u\n", newval); | |
596 | } | |
597 | ||
598 | static ssize_t store_pwm_enable(struct device *dev, | |
599 | struct device_attribute *attr, | |
600 | const char *buf, size_t count) | |
601 | { | |
088ce2ac | 602 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
603 | long reqval; |
604 | u8 currval, config, altbit, newval, minoff = 255; | |
605 | ||
179c4fdb | 606 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
607 | return -EINVAL; |
608 | ||
609 | switch (reqval) { | |
610 | case 0: | |
611 | newval = 0x04; | |
612 | break; | |
613 | case 1: | |
614 | newval = 0x07; | |
615 | break; | |
616 | case 2: | |
617 | newval = 0x00; | |
618 | minoff = 1; | |
619 | break; | |
620 | case 3: | |
621 | newval = 0x00; | |
622 | minoff = 0; | |
623 | break; | |
624 | case 255: | |
625 | newval = 0x03; | |
626 | break; | |
627 | default: | |
628 | return -EINVAL; | |
629 | } | |
630 | ||
631 | config = newval & 0x07; | |
632 | altbit = (newval >> 3) & 0x01; | |
633 | ||
634 | mutex_lock(&data->update_lock); | |
635 | config = (config & param->mask[0]) << param->shift[0]; | |
636 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
637 | currval = read_byte(client, param->msb[0]); | |
638 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
639 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
640 | data->reg[param->msb[0]] = newval; | |
641 | write_byte(client, param->msb[0], newval); | |
642 | if (minoff < 255) { | |
643 | minoff = (minoff & param->mask[2]) << param->shift[2]; | |
644 | currval = read_byte(client, param->msb[2]); | |
645 | newval = | |
646 | minoff | (currval & ~(param->mask[2] << param->shift[2])); | |
647 | data->reg[param->msb[2]] = newval; | |
648 | write_byte(client, param->msb[2], newval); | |
649 | } | |
650 | mutex_unlock(&data->update_lock); | |
651 | return count; | |
652 | } | |
653 | ||
654 | static u32 asc7621_pwm_freq_map[] = { | |
655 | 10, 15, 23, 30, 38, 47, 62, 94, | |
656 | 23000, 24000, 25000, 26000, 27000, 28000, 29000, 30000 | |
657 | }; | |
658 | ||
659 | static ssize_t show_pwm_freq(struct device *dev, | |
660 | struct device_attribute *attr, char *buf) | |
661 | { | |
088ce2ac | 662 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
663 | u8 regval = |
664 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
665 | ||
2a844c14 | 666 | regval = clamp_val(regval, 0, 15); |
d58de038 GJ |
667 | |
668 | return sprintf(buf, "%u\n", asc7621_pwm_freq_map[regval]); | |
669 | } | |
670 | ||
671 | static ssize_t store_pwm_freq(struct device *dev, | |
672 | struct device_attribute *attr, | |
673 | const char *buf, size_t count) | |
674 | { | |
088ce2ac | 675 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
676 | unsigned long reqval; |
677 | u8 currval, newval = 255; | |
678 | int i; | |
679 | ||
179c4fdb | 680 | if (kstrtoul(buf, 10, &reqval)) |
d58de038 GJ |
681 | return -EINVAL; |
682 | ||
683 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_freq_map); i++) { | |
684 | if (reqval == asc7621_pwm_freq_map[i]) { | |
685 | newval = i; | |
686 | break; | |
687 | } | |
688 | } | |
689 | if (newval == 255) | |
690 | return -EINVAL; | |
691 | ||
692 | newval = (newval & param->mask[0]) << param->shift[0]; | |
693 | ||
694 | mutex_lock(&data->update_lock); | |
695 | currval = read_byte(client, param->msb[0]); | |
696 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
697 | data->reg[param->msb[0]] = newval; | |
698 | write_byte(client, param->msb[0], newval); | |
699 | mutex_unlock(&data->update_lock); | |
700 | return count; | |
701 | } | |
702 | ||
703 | static u32 asc7621_pwm_auto_spinup_map[] = { | |
704 | 0, 100, 250, 400, 700, 1000, 2000, 4000 | |
705 | }; | |
706 | ||
707 | static ssize_t show_pwm_ast(struct device *dev, | |
708 | struct device_attribute *attr, char *buf) | |
709 | { | |
088ce2ac | 710 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
711 | u8 regval = |
712 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
713 | ||
2a844c14 | 714 | regval = clamp_val(regval, 0, 7); |
d58de038 GJ |
715 | |
716 | return sprintf(buf, "%u\n", asc7621_pwm_auto_spinup_map[regval]); | |
717 | ||
718 | } | |
719 | ||
720 | static ssize_t store_pwm_ast(struct device *dev, | |
721 | struct device_attribute *attr, | |
722 | const char *buf, size_t count) | |
723 | { | |
088ce2ac | 724 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
725 | long reqval; |
726 | u8 currval, newval = 255; | |
727 | u32 i; | |
728 | ||
179c4fdb | 729 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
730 | return -EINVAL; |
731 | ||
732 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_auto_spinup_map); i++) { | |
733 | if (reqval == asc7621_pwm_auto_spinup_map[i]) { | |
734 | newval = i; | |
735 | break; | |
736 | } | |
737 | } | |
738 | if (newval == 255) | |
739 | return -EINVAL; | |
740 | ||
741 | newval = (newval & param->mask[0]) << param->shift[0]; | |
742 | ||
743 | mutex_lock(&data->update_lock); | |
744 | currval = read_byte(client, param->msb[0]); | |
745 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
746 | data->reg[param->msb[0]] = newval; | |
747 | write_byte(client, param->msb[0], newval); | |
748 | mutex_unlock(&data->update_lock); | |
749 | return count; | |
750 | } | |
751 | ||
752 | static u32 asc7621_temp_smoothing_time_map[] = { | |
753 | 35000, 17600, 11800, 7000, 4400, 3000, 1600, 800 | |
754 | }; | |
755 | ||
756 | static ssize_t show_temp_st(struct device *dev, | |
757 | struct device_attribute *attr, char *buf) | |
758 | { | |
088ce2ac | 759 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
760 | u8 regval = |
761 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
2a844c14 | 762 | regval = clamp_val(regval, 0, 7); |
d58de038 GJ |
763 | |
764 | return sprintf(buf, "%u\n", asc7621_temp_smoothing_time_map[regval]); | |
765 | } | |
766 | ||
767 | static ssize_t store_temp_st(struct device *dev, | |
768 | struct device_attribute *attr, | |
769 | const char *buf, size_t count) | |
770 | { | |
088ce2ac | 771 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
772 | long reqval; |
773 | u8 currval, newval = 255; | |
774 | u32 i; | |
775 | ||
179c4fdb | 776 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
777 | return -EINVAL; |
778 | ||
779 | for (i = 0; i < ARRAY_SIZE(asc7621_temp_smoothing_time_map); i++) { | |
780 | if (reqval == asc7621_temp_smoothing_time_map[i]) { | |
781 | newval = i; | |
782 | break; | |
783 | } | |
784 | } | |
785 | ||
786 | if (newval == 255) | |
787 | return -EINVAL; | |
788 | ||
789 | newval = (newval & param->mask[0]) << param->shift[0]; | |
790 | ||
791 | mutex_lock(&data->update_lock); | |
792 | currval = read_byte(client, param->msb[0]); | |
793 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
794 | data->reg[param->msb[0]] = newval; | |
795 | write_byte(client, param->msb[0], newval); | |
796 | mutex_unlock(&data->update_lock); | |
797 | return count; | |
798 | } | |
799 | ||
800 | /* | |
801 | * End of data handlers | |
802 | * | |
803 | * These defines do nothing more than make the table easier | |
804 | * to read when wrapped at column 80. | |
805 | */ | |
806 | ||
807 | /* | |
808 | * Creates a variable length array inititalizer. | |
809 | * VAA(1,3,5,7) would produce {1,3,5,7} | |
810 | */ | |
811 | #define VAA(args...) {args} | |
812 | ||
813 | #define PREAD(name, n, pri, rm, rl, m, s, r) \ | |
814 | {.sda = SENSOR_ATTR(name, S_IRUGO, show_##r, NULL, n), \ | |
815 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
816 | .shift[0] = s,} | |
817 | ||
818 | #define PWRITE(name, n, pri, rm, rl, m, s, r) \ | |
819 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
820 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
821 | .shift[0] = s,} | |
822 | ||
823 | /* | |
824 | * PWRITEM assumes that the initializers for the .msb, .lsb, .mask and .shift | |
825 | * were created using the VAA macro. | |
826 | */ | |
827 | #define PWRITEM(name, n, pri, rm, rl, m, s, r) \ | |
828 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
829 | .priority = pri, .msb = rm, .lsb = rl, .mask = m, .shift = s,} | |
830 | ||
831 | static struct asc7621_param asc7621_params[] = { | |
832 | PREAD(in0_input, 0, PRI_HIGH, 0x20, 0x13, 0, 0, in10), | |
833 | PREAD(in1_input, 1, PRI_HIGH, 0x21, 0x18, 0, 0, in10), | |
834 | PREAD(in2_input, 2, PRI_HIGH, 0x22, 0x11, 0, 0, in10), | |
835 | PREAD(in3_input, 3, PRI_HIGH, 0x23, 0x12, 0, 0, in10), | |
836 | PREAD(in4_input, 4, PRI_HIGH, 0x24, 0x14, 0, 0, in10), | |
837 | ||
838 | PWRITE(in0_min, 0, PRI_LOW, 0x44, 0, 0, 0, in8), | |
839 | PWRITE(in1_min, 1, PRI_LOW, 0x46, 0, 0, 0, in8), | |
840 | PWRITE(in2_min, 2, PRI_LOW, 0x48, 0, 0, 0, in8), | |
841 | PWRITE(in3_min, 3, PRI_LOW, 0x4a, 0, 0, 0, in8), | |
842 | PWRITE(in4_min, 4, PRI_LOW, 0x4c, 0, 0, 0, in8), | |
843 | ||
844 | PWRITE(in0_max, 0, PRI_LOW, 0x45, 0, 0, 0, in8), | |
845 | PWRITE(in1_max, 1, PRI_LOW, 0x47, 0, 0, 0, in8), | |
846 | PWRITE(in2_max, 2, PRI_LOW, 0x49, 0, 0, 0, in8), | |
847 | PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8), | |
848 | PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8), | |
849 | ||
d1bf8cf6 KM |
850 | PREAD(in0_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 0, bitmask), |
851 | PREAD(in1_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 1, bitmask), | |
852 | PREAD(in2_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 2, bitmask), | |
853 | PREAD(in3_alarm, 3, PRI_HIGH, 0x41, 0, 0x01, 3, bitmask), | |
854 | PREAD(in4_alarm, 4, PRI_HIGH, 0x42, 0, 0x01, 0, bitmask), | |
d58de038 GJ |
855 | |
856 | PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16), | |
857 | PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16), | |
858 | PREAD(fan3_input, 2, PRI_HIGH, 0x2d, 0x2c, 0, 0, fan16), | |
859 | PREAD(fan4_input, 3, PRI_HIGH, 0x2f, 0x2e, 0, 0, fan16), | |
860 | ||
861 | PWRITE(fan1_min, 0, PRI_LOW, 0x55, 0x54, 0, 0, fan16), | |
862 | PWRITE(fan2_min, 1, PRI_LOW, 0x57, 0x56, 0, 0, fan16), | |
863 | PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16), | |
864 | PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16), | |
865 | ||
d1bf8cf6 KM |
866 | PREAD(fan1_alarm, 0, PRI_HIGH, 0x42, 0, 0x01, 2, bitmask), |
867 | PREAD(fan2_alarm, 1, PRI_HIGH, 0x42, 0, 0x01, 3, bitmask), | |
868 | PREAD(fan3_alarm, 2, PRI_HIGH, 0x42, 0, 0x01, 4, bitmask), | |
869 | PREAD(fan4_alarm, 3, PRI_HIGH, 0x42, 0, 0x01, 5, bitmask), | |
d58de038 GJ |
870 | |
871 | PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10), | |
872 | PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10), | |
873 | PREAD(temp3_input, 2, PRI_HIGH, 0x27, 0x16, 0, 0, temp10), | |
874 | PREAD(temp4_input, 3, PRI_HIGH, 0x33, 0x17, 0, 0, temp10), | |
875 | PREAD(temp5_input, 4, PRI_HIGH, 0xf7, 0xf6, 0, 0, temp10), | |
876 | PREAD(temp6_input, 5, PRI_HIGH, 0xf9, 0xf8, 0, 0, temp10), | |
877 | PREAD(temp7_input, 6, PRI_HIGH, 0xfb, 0xfa, 0, 0, temp10), | |
878 | PREAD(temp8_input, 7, PRI_HIGH, 0xfd, 0xfc, 0, 0, temp10), | |
879 | ||
880 | PWRITE(temp1_min, 0, PRI_LOW, 0x4e, 0, 0, 0, temp8), | |
881 | PWRITE(temp2_min, 1, PRI_LOW, 0x50, 0, 0, 0, temp8), | |
882 | PWRITE(temp3_min, 2, PRI_LOW, 0x52, 0, 0, 0, temp8), | |
883 | PWRITE(temp4_min, 3, PRI_LOW, 0x34, 0, 0, 0, temp8), | |
884 | ||
885 | PWRITE(temp1_max, 0, PRI_LOW, 0x4f, 0, 0, 0, temp8), | |
886 | PWRITE(temp2_max, 1, PRI_LOW, 0x51, 0, 0, 0, temp8), | |
887 | PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8), | |
888 | PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8), | |
889 | ||
d1bf8cf6 KM |
890 | PREAD(temp1_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 4, bitmask), |
891 | PREAD(temp2_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 5, bitmask), | |
892 | PREAD(temp3_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 6, bitmask), | |
893 | PREAD(temp4_alarm, 3, PRI_HIGH, 0x43, 0, 0x01, 0, bitmask), | |
d58de038 GJ |
894 | |
895 | PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask), | |
896 | PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask), | |
897 | PWRITE(temp3_source, 2, PRI_LOW, 0x03, 0, 0x07, 4, bitmask), | |
898 | PWRITE(temp4_source, 3, PRI_LOW, 0x03, 0, 0x07, 0, bitmask), | |
899 | ||
900 | PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask), | |
901 | PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask), | |
d1bf8cf6 | 902 | PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x63, 0, 0x01, 3, bitmask), |
d58de038 GJ |
903 | PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask), |
904 | ||
905 | PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st), | |
906 | PWRITE(temp2_smoothing_time, 1, PRI_LOW, 0x63, 0, 0x07, 4, temp_st), | |
907 | PWRITE(temp3_smoothing_time, 2, PRI_LOW, 0x63, 0, 0x07, 0, temp_st), | |
908 | PWRITE(temp4_smoothing_time, 3, PRI_LOW, 0x3c, 0, 0x07, 0, temp_st), | |
909 | ||
910 | PWRITE(temp1_auto_point1_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
911 | bitmask), | |
912 | PWRITE(temp2_auto_point1_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
913 | bitmask), | |
914 | PWRITE(temp3_auto_point1_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
915 | bitmask), | |
916 | PWRITE(temp4_auto_point1_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
917 | bitmask), | |
918 | ||
919 | PREAD(temp1_auto_point2_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
920 | bitmask), | |
921 | PREAD(temp2_auto_point2_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
922 | bitmask), | |
923 | PREAD(temp3_auto_point2_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
924 | bitmask), | |
925 | PREAD(temp4_auto_point2_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
926 | bitmask), | |
927 | ||
928 | PWRITE(temp1_auto_point1_temp, 0, PRI_LOW, 0x67, 0, 0, 0, temp8), | |
929 | PWRITE(temp2_auto_point1_temp, 1, PRI_LOW, 0x68, 0, 0, 0, temp8), | |
930 | PWRITE(temp3_auto_point1_temp, 2, PRI_LOW, 0x69, 0, 0, 0, temp8), | |
931 | PWRITE(temp4_auto_point1_temp, 3, PRI_LOW, 0x3b, 0, 0, 0, temp8), | |
932 | ||
933 | PWRITEM(temp1_auto_point2_temp, 0, PRI_LOW, VAA(0x5f, 0x67), VAA(0), | |
934 | VAA(0x0f), VAA(4), ap2_temp), | |
935 | PWRITEM(temp2_auto_point2_temp, 1, PRI_LOW, VAA(0x60, 0x68), VAA(0), | |
936 | VAA(0x0f), VAA(4), ap2_temp), | |
937 | PWRITEM(temp3_auto_point2_temp, 2, PRI_LOW, VAA(0x61, 0x69), VAA(0), | |
938 | VAA(0x0f), VAA(4), ap2_temp), | |
939 | PWRITEM(temp4_auto_point2_temp, 3, PRI_LOW, VAA(0x3c, 0x3b), VAA(0), | |
940 | VAA(0x0f), VAA(4), ap2_temp), | |
941 | ||
942 | PWRITE(temp1_crit, 0, PRI_LOW, 0x6a, 0, 0, 0, temp8), | |
943 | PWRITE(temp2_crit, 1, PRI_LOW, 0x6b, 0, 0, 0, temp8), | |
944 | PWRITE(temp3_crit, 2, PRI_LOW, 0x6c, 0, 0, 0, temp8), | |
945 | PWRITE(temp4_crit, 3, PRI_LOW, 0x3d, 0, 0, 0, temp8), | |
946 | ||
947 | PWRITE(temp5_enable, 4, PRI_LOW, 0x0e, 0, 0x01, 0, bitmask), | |
948 | PWRITE(temp6_enable, 5, PRI_LOW, 0x0e, 0, 0x01, 1, bitmask), | |
949 | PWRITE(temp7_enable, 6, PRI_LOW, 0x0e, 0, 0x01, 2, bitmask), | |
950 | PWRITE(temp8_enable, 7, PRI_LOW, 0x0e, 0, 0x01, 3, bitmask), | |
951 | ||
952 | PWRITE(remote1_offset, 0, PRI_LOW, 0x1c, 0, 0, 0, temp62), | |
953 | PWRITE(remote2_offset, 1, PRI_LOW, 0x1d, 0, 0, 0, temp62), | |
954 | ||
955 | PWRITE(pwm1, 0, PRI_HIGH, 0x30, 0, 0, 0, u8), | |
956 | PWRITE(pwm2, 1, PRI_HIGH, 0x31, 0, 0, 0, u8), | |
957 | PWRITE(pwm3, 2, PRI_HIGH, 0x32, 0, 0, 0, u8), | |
958 | ||
959 | PWRITE(pwm1_invert, 0, PRI_LOW, 0x5c, 0, 0x01, 4, bitmask), | |
960 | PWRITE(pwm2_invert, 1, PRI_LOW, 0x5d, 0, 0x01, 4, bitmask), | |
961 | PWRITE(pwm3_invert, 2, PRI_LOW, 0x5e, 0, 0x01, 4, bitmask), | |
962 | ||
963 | PWRITEM(pwm1_enable, 0, PRI_LOW, VAA(0x5c, 0x5c, 0x62), VAA(0, 0, 0), | |
964 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 5), pwm_enable), | |
965 | PWRITEM(pwm2_enable, 1, PRI_LOW, VAA(0x5d, 0x5d, 0x62), VAA(0, 0, 0), | |
966 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 6), pwm_enable), | |
967 | PWRITEM(pwm3_enable, 2, PRI_LOW, VAA(0x5e, 0x5e, 0x62), VAA(0, 0, 0), | |
968 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 7), pwm_enable), | |
969 | ||
970 | PWRITEM(pwm1_auto_channels, 0, PRI_LOW, VAA(0x5c, 0x5c), VAA(0, 0), | |
971 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
972 | PWRITEM(pwm2_auto_channels, 1, PRI_LOW, VAA(0x5d, 0x5d), VAA(0, 0), | |
973 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
974 | PWRITEM(pwm3_auto_channels, 2, PRI_LOW, VAA(0x5e, 0x5e), VAA(0, 0), | |
975 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
976 | ||
977 | PWRITE(pwm1_auto_point1_pwm, 0, PRI_LOW, 0x64, 0, 0, 0, u8), | |
978 | PWRITE(pwm2_auto_point1_pwm, 1, PRI_LOW, 0x65, 0, 0, 0, u8), | |
979 | PWRITE(pwm3_auto_point1_pwm, 2, PRI_LOW, 0x66, 0, 0, 0, u8), | |
980 | ||
981 | PWRITE(pwm1_auto_point2_pwm, 0, PRI_LOW, 0x38, 0, 0, 0, u8), | |
982 | PWRITE(pwm2_auto_point2_pwm, 1, PRI_LOW, 0x39, 0, 0, 0, u8), | |
983 | PWRITE(pwm3_auto_point2_pwm, 2, PRI_LOW, 0x3a, 0, 0, 0, u8), | |
984 | ||
985 | PWRITE(pwm1_freq, 0, PRI_LOW, 0x5f, 0, 0x0f, 0, pwm_freq), | |
986 | PWRITE(pwm2_freq, 1, PRI_LOW, 0x60, 0, 0x0f, 0, pwm_freq), | |
987 | PWRITE(pwm3_freq, 2, PRI_LOW, 0x61, 0, 0x0f, 0, pwm_freq), | |
988 | ||
989 | PREAD(pwm1_auto_zone_assigned, 0, PRI_LOW, 0, 0, 0x03, 2, bitmask), | |
990 | PREAD(pwm2_auto_zone_assigned, 1, PRI_LOW, 0, 0, 0x03, 4, bitmask), | |
991 | PREAD(pwm3_auto_zone_assigned, 2, PRI_LOW, 0, 0, 0x03, 6, bitmask), | |
992 | ||
993 | PWRITE(pwm1_auto_spinup_time, 0, PRI_LOW, 0x5c, 0, 0x07, 0, pwm_ast), | |
994 | PWRITE(pwm2_auto_spinup_time, 1, PRI_LOW, 0x5d, 0, 0x07, 0, pwm_ast), | |
995 | PWRITE(pwm3_auto_spinup_time, 2, PRI_LOW, 0x5e, 0, 0x07, 0, pwm_ast), | |
996 | ||
997 | PWRITE(peci_enable, 0, PRI_LOW, 0x40, 0, 0x01, 4, bitmask), | |
998 | PWRITE(peci_avg, 0, PRI_LOW, 0x36, 0, 0x07, 0, bitmask), | |
999 | PWRITE(peci_domain, 0, PRI_LOW, 0x36, 0, 0x01, 3, bitmask), | |
1000 | PWRITE(peci_legacy, 0, PRI_LOW, 0x36, 0, 0x01, 4, bitmask), | |
1001 | PWRITE(peci_diode, 0, PRI_LOW, 0x0e, 0, 0x07, 4, bitmask), | |
1002 | PWRITE(peci_4domain, 0, PRI_LOW, 0x0e, 0, 0x01, 4, bitmask), | |
1003 | ||
1004 | }; | |
1005 | ||
1006 | static struct asc7621_data *asc7621_update_device(struct device *dev) | |
1007 | { | |
1008 | struct i2c_client *client = to_i2c_client(dev); | |
1009 | struct asc7621_data *data = i2c_get_clientdata(client); | |
1010 | int i; | |
1011 | ||
1012 | /* | |
1013 | * The asc7621 chips guarantee consistent reads of multi-byte values | |
1014 | * regardless of the order of the reads. No special logic is needed | |
1015 | * so we can just read the registers in whatever order they appear | |
1016 | * in the asc7621_params array. | |
1017 | */ | |
1018 | ||
1019 | mutex_lock(&data->update_lock); | |
1020 | ||
1021 | /* Read all the high priority registers */ | |
1022 | ||
1023 | if (!data->valid || | |
1024 | time_after(jiffies, data->last_high_reading + INTERVAL_HIGH)) { | |
1025 | ||
1026 | for (i = 0; i < ARRAY_SIZE(asc7621_register_priorities); i++) { | |
1027 | if (asc7621_register_priorities[i] == PRI_HIGH) { | |
1028 | data->reg[i] = | |
1029 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1030 | } | |
1031 | } | |
1032 | data->last_high_reading = jiffies; | |
1033 | }; /* last_reading */ | |
1034 | ||
1035 | /* Read all the low priority registers. */ | |
1036 | ||
1037 | if (!data->valid || | |
1038 | time_after(jiffies, data->last_low_reading + INTERVAL_LOW)) { | |
1039 | ||
1040 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1041 | if (asc7621_register_priorities[i] == PRI_LOW) { | |
1042 | data->reg[i] = | |
1043 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1044 | } | |
1045 | } | |
1046 | data->last_low_reading = jiffies; | |
1047 | }; /* last_reading */ | |
1048 | ||
1049 | data->valid = 1; | |
1050 | ||
1051 | mutex_unlock(&data->update_lock); | |
1052 | ||
1053 | return data; | |
1054 | } | |
1055 | ||
1056 | /* | |
1057 | * Standard detection and initialization below | |
1058 | * | |
1059 | * Helper function that checks if an address is valid | |
1060 | * for a particular chip. | |
1061 | */ | |
1062 | ||
1063 | static inline int valid_address_for_chip(int chip_type, int address) | |
1064 | { | |
1065 | int i; | |
1066 | ||
1067 | for (i = 0; asc7621_chips[chip_type].addresses[i] != I2C_CLIENT_END; | |
1068 | i++) { | |
1069 | if (asc7621_chips[chip_type].addresses[i] == address) | |
1070 | return 1; | |
1071 | } | |
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | static void asc7621_init_client(struct i2c_client *client) | |
1076 | { | |
1077 | int value; | |
1078 | ||
1079 | /* Warn if part was not "READY" */ | |
1080 | ||
1081 | value = read_byte(client, 0x40); | |
1082 | ||
1083 | if (value & 0x02) { | |
1084 | dev_err(&client->dev, | |
1085 | "Client (%d,0x%02x) config is locked.\n", | |
1086 | i2c_adapter_id(client->adapter), client->addr); | |
1087 | }; | |
1088 | if (!(value & 0x04)) { | |
1089 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", | |
1090 | i2c_adapter_id(client->adapter), client->addr); | |
1091 | }; | |
1092 | ||
1093 | /* | |
1094 | * Start monitoring | |
1095 | * | |
1096 | * Try to clear LOCK, Set START, save everything else | |
1097 | */ | |
1098 | value = (value & ~0x02) | 0x01; | |
1099 | write_byte(client, 0x40, value & 0xff); | |
1100 | ||
1101 | } | |
1102 | ||
1103 | static int | |
1104 | asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1105 | { | |
1106 | struct asc7621_data *data; | |
1107 | int i, err; | |
1108 | ||
1109 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1110 | return -EIO; | |
1111 | ||
35bb95a1 GR |
1112 | data = devm_kzalloc(&client->dev, sizeof(struct asc7621_data), |
1113 | GFP_KERNEL); | |
d58de038 GJ |
1114 | if (data == NULL) |
1115 | return -ENOMEM; | |
1116 | ||
1117 | i2c_set_clientdata(client, data); | |
1118 | data->valid = 0; | |
1119 | mutex_init(&data->update_lock); | |
1120 | ||
1121 | /* Initialize the asc7621 chip */ | |
1122 | asc7621_init_client(client); | |
1123 | ||
1124 | /* Create the sysfs entries */ | |
1125 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1126 | err = | |
1127 | device_create_file(&client->dev, | |
1128 | &(asc7621_params[i].sda.dev_attr)); | |
1129 | if (err) | |
1130 | goto exit_remove; | |
1131 | } | |
1132 | ||
1133 | data->class_dev = hwmon_device_register(&client->dev); | |
1134 | if (IS_ERR(data->class_dev)) { | |
1135 | err = PTR_ERR(data->class_dev); | |
1136 | goto exit_remove; | |
1137 | } | |
1138 | ||
1139 | return 0; | |
1140 | ||
1141 | exit_remove: | |
1142 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1143 | device_remove_file(&client->dev, | |
1144 | &(asc7621_params[i].sda.dev_attr)); | |
1145 | } | |
1146 | ||
d58de038 GJ |
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; | |
d58de038 GJ |
1155 | |
1156 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1157 | return -ENODEV; | |
1158 | ||
1159 | for (chip_index = FIRST_CHIP; chip_index <= LAST_CHIP; chip_index++) { | |
1160 | ||
1161 | if (!valid_address_for_chip(chip_index, client->addr)) | |
1162 | continue; | |
1163 | ||
1164 | company = read_byte(client, | |
1165 | asc7621_chips[chip_index].company_reg); | |
1166 | verstep = read_byte(client, | |
1167 | asc7621_chips[chip_index].verstep_reg); | |
1168 | ||
1169 | if (company == asc7621_chips[chip_index].company_id && | |
1170 | verstep == asc7621_chips[chip_index].verstep_id) { | |
d58de038 GJ |
1171 | strlcpy(info->type, asc7621_chips[chip_index].name, |
1172 | I2C_NAME_SIZE); | |
1173 | ||
28cbd461 JD |
1174 | dev_info(&adapter->dev, "Matched %s at 0x%02x\n", |
1175 | asc7621_chips[chip_index].name, client->addr); | |
d58de038 GJ |
1176 | return 0; |
1177 | } | |
1178 | } | |
1179 | ||
1180 | return -ENODEV; | |
1181 | } | |
1182 | ||
1183 | static int asc7621_remove(struct i2c_client *client) | |
1184 | { | |
1185 | struct asc7621_data *data = i2c_get_clientdata(client); | |
1186 | int i; | |
1187 | ||
1188 | hwmon_device_unregister(data->class_dev); | |
1189 | ||
1190 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1191 | device_remove_file(&client->dev, | |
1192 | &(asc7621_params[i].sda.dev_attr)); | |
1193 | } | |
1194 | ||
d58de038 GJ |
1195 | return 0; |
1196 | } | |
1197 | ||
1198 | static const struct i2c_device_id asc7621_id[] = { | |
1199 | {"asc7621", asc7621}, | |
1200 | {"asc7621a", asc7621a}, | |
1201 | {}, | |
1202 | }; | |
1203 | ||
1204 | MODULE_DEVICE_TABLE(i2c, asc7621_id); | |
1205 | ||
1206 | static struct i2c_driver asc7621_driver = { | |
1207 | .class = I2C_CLASS_HWMON, | |
1208 | .driver = { | |
1209 | .name = "asc7621", | |
1210 | }, | |
1211 | .probe = asc7621_probe, | |
1212 | .remove = asc7621_remove, | |
1213 | .id_table = asc7621_id, | |
1214 | .detect = asc7621_detect, | |
1215 | .address_list = normal_i2c, | |
1216 | }; | |
1217 | ||
1218 | static int __init sm_asc7621_init(void) | |
1219 | { | |
1220 | int i, j; | |
1221 | /* | |
1222 | * Collect all the registers needed into a single array. | |
1223 | * This way, if a register isn't actually used for anything, | |
1224 | * we don't retrieve it. | |
1225 | */ | |
1226 | ||
1227 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1228 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].msb); j++) | |
1229 | asc7621_register_priorities[asc7621_params[i].msb[j]] = | |
1230 | asc7621_params[i].priority; | |
1231 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].lsb); j++) | |
1232 | asc7621_register_priorities[asc7621_params[i].lsb[j]] = | |
1233 | asc7621_params[i].priority; | |
1234 | } | |
1235 | return i2c_add_driver(&asc7621_driver); | |
1236 | } | |
1237 | ||
1238 | static void __exit sm_asc7621_exit(void) | |
1239 | { | |
1240 | i2c_del_driver(&asc7621_driver); | |
1241 | } | |
1242 | ||
1243 | MODULE_LICENSE("GPL"); | |
1244 | MODULE_AUTHOR("George Joseph"); | |
1245 | MODULE_DESCRIPTION("Andigilog aSC7621 and aSC7621a driver"); | |
1246 | ||
1247 | module_init(sm_asc7621_init); | |
1248 | module_exit(sm_asc7621_exit); |