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74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
d58de038 GJ |
2 | /* |
3 | * asc7621.c - Part of lm_sensors, Linux kernel modules for hardware monitoring | |
4 | * Copyright (c) 2007, 2010 George Joseph <george.joseph@fairview5.com> | |
d58de038 GJ |
5 | */ |
6 | ||
7 | #include <linux/module.h> | |
8 | #include <linux/init.h> | |
9 | #include <linux/slab.h> | |
10 | #include <linux/jiffies.h> | |
11 | #include <linux/i2c.h> | |
12 | #include <linux/hwmon.h> | |
13 | #include <linux/hwmon-sysfs.h> | |
14 | #include <linux/err.h> | |
15 | #include <linux/mutex.h> | |
16 | ||
17 | /* Addresses to scan */ | |
918ee91c | 18 | static const unsigned short normal_i2c[] = { |
d58de038 GJ |
19 | 0x2c, 0x2d, 0x2e, I2C_CLIENT_END |
20 | }; | |
21 | ||
22 | enum asc7621_type { | |
23 | asc7621, | |
24 | asc7621a | |
25 | }; | |
26 | ||
27 | #define INTERVAL_HIGH (HZ + HZ / 2) | |
28 | #define INTERVAL_LOW (1 * 60 * HZ) | |
29 | #define PRI_NONE 0 | |
30 | #define PRI_LOW 1 | |
31 | #define PRI_HIGH 2 | |
32 | #define FIRST_CHIP asc7621 | |
33 | #define LAST_CHIP asc7621a | |
34 | ||
35 | struct asc7621_chip { | |
36 | char *name; | |
37 | enum asc7621_type chip_type; | |
38 | u8 company_reg; | |
39 | u8 company_id; | |
40 | u8 verstep_reg; | |
41 | u8 verstep_id; | |
918ee91c | 42 | const unsigned short *addresses; |
d58de038 GJ |
43 | }; |
44 | ||
45 | static struct asc7621_chip asc7621_chips[] = { | |
46 | { | |
47 | .name = "asc7621", | |
48 | .chip_type = asc7621, | |
49 | .company_reg = 0x3e, | |
50 | .company_id = 0x61, | |
51 | .verstep_reg = 0x3f, | |
52 | .verstep_id = 0x6c, | |
53 | .addresses = normal_i2c, | |
54 | }, | |
55 | { | |
56 | .name = "asc7621a", | |
57 | .chip_type = asc7621a, | |
58 | .company_reg = 0x3e, | |
59 | .company_id = 0x61, | |
60 | .verstep_reg = 0x3f, | |
61 | .verstep_id = 0x6d, | |
62 | .addresses = normal_i2c, | |
63 | }, | |
64 | }; | |
65 | ||
66 | /* | |
67 | * Defines the highest register to be used, not the count. | |
68 | * The actual count will probably be smaller because of gaps | |
69 | * in the implementation (unused register locations). | |
70 | * This define will safely set the array size of both the parameter | |
71 | * and data arrays. | |
72 | * This comes from the data sheet register description table. | |
73 | */ | |
74 | #define LAST_REGISTER 0xff | |
75 | ||
76 | struct asc7621_data { | |
77 | struct i2c_client client; | |
78 | struct device *class_dev; | |
79 | struct mutex update_lock; | |
80 | int valid; /* !=0 if following fields are valid */ | |
81 | unsigned long last_high_reading; /* In jiffies */ | |
82 | unsigned long last_low_reading; /* In jiffies */ | |
83 | /* | |
84 | * Registers we care about occupy the corresponding index | |
85 | * in the array. Registers we don't care about are left | |
86 | * at 0. | |
87 | */ | |
88 | u8 reg[LAST_REGISTER + 1]; | |
89 | }; | |
90 | ||
91 | /* | |
92 | * Macro to get the parent asc7621_param structure | |
93 | * from a sensor_device_attribute passed into the | |
94 | * show/store functions. | |
95 | */ | |
96 | #define to_asc7621_param(_sda) \ | |
97 | container_of(_sda, struct asc7621_param, sda) | |
98 | ||
99 | /* | |
100 | * Each parameter to be retrieved needs an asc7621_param structure | |
101 | * allocated. It contains the sensor_device_attribute structure | |
102 | * and the control info needed to retrieve the value from the register map. | |
103 | */ | |
104 | struct asc7621_param { | |
105 | struct sensor_device_attribute sda; | |
106 | u8 priority; | |
107 | u8 msb[3]; | |
108 | u8 lsb[3]; | |
109 | u8 mask[3]; | |
110 | u8 shift[3]; | |
111 | }; | |
112 | ||
113 | /* | |
114 | * This is the map that ultimately indicates whether we'll be | |
115 | * retrieving a register value or not, and at what frequency. | |
116 | */ | |
117 | static u8 asc7621_register_priorities[255]; | |
118 | ||
119 | static struct asc7621_data *asc7621_update_device(struct device *dev); | |
120 | ||
121 | static inline u8 read_byte(struct i2c_client *client, u8 reg) | |
122 | { | |
123 | int res = i2c_smbus_read_byte_data(client, reg); | |
124 | if (res < 0) { | |
125 | dev_err(&client->dev, | |
126 | "Unable to read from register 0x%02x.\n", reg); | |
127 | return 0; | |
a0393713 | 128 | } |
d58de038 GJ |
129 | return res & 0xff; |
130 | } | |
131 | ||
132 | static inline int write_byte(struct i2c_client *client, u8 reg, u8 data) | |
133 | { | |
134 | int res = i2c_smbus_write_byte_data(client, reg, data); | |
135 | if (res < 0) { | |
136 | dev_err(&client->dev, | |
137 | "Unable to write value 0x%02x to register 0x%02x.\n", | |
138 | data, reg); | |
a0393713 | 139 | } |
d58de038 GJ |
140 | return res; |
141 | } | |
142 | ||
143 | /* | |
144 | * Data Handlers | |
145 | * Each function handles the formatting, storage | |
146 | * and retrieval of like parameters. | |
147 | */ | |
148 | ||
088ce2ac | 149 | #define SETUP_SHOW_DATA_PARAM(d, a) \ |
d58de038 GJ |
150 | struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ |
151 | struct asc7621_data *data = asc7621_update_device(d); \ | |
152 | struct asc7621_param *param = to_asc7621_param(sda) | |
153 | ||
088ce2ac | 154 | #define SETUP_STORE_DATA_PARAM(d, a) \ |
d58de038 GJ |
155 | struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ |
156 | struct i2c_client *client = to_i2c_client(d); \ | |
157 | struct asc7621_data *data = i2c_get_clientdata(client); \ | |
158 | struct asc7621_param *param = to_asc7621_param(sda) | |
159 | ||
160 | /* | |
161 | * u8 is just what it sounds like...an unsigned byte with no | |
162 | * special formatting. | |
163 | */ | |
164 | static ssize_t show_u8(struct device *dev, struct device_attribute *attr, | |
165 | char *buf) | |
166 | { | |
088ce2ac | 167 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
168 | |
169 | return sprintf(buf, "%u\n", data->reg[param->msb[0]]); | |
170 | } | |
171 | ||
172 | static ssize_t store_u8(struct device *dev, struct device_attribute *attr, | |
173 | const char *buf, size_t count) | |
174 | { | |
088ce2ac | 175 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
176 | long reqval; |
177 | ||
179c4fdb | 178 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
179 | return -EINVAL; |
180 | ||
2a844c14 | 181 | reqval = clamp_val(reqval, 0, 255); |
d58de038 GJ |
182 | |
183 | mutex_lock(&data->update_lock); | |
184 | data->reg[param->msb[0]] = reqval; | |
185 | write_byte(client, param->msb[0], reqval); | |
186 | mutex_unlock(&data->update_lock); | |
187 | return count; | |
188 | } | |
189 | ||
190 | /* | |
191 | * Many of the config values occupy only a few bits of a register. | |
192 | */ | |
193 | static ssize_t show_bitmask(struct device *dev, | |
194 | struct device_attribute *attr, char *buf) | |
195 | { | |
088ce2ac | 196 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
197 | |
198 | return sprintf(buf, "%u\n", | |
199 | (data->reg[param->msb[0]] >> param-> | |
200 | shift[0]) & param->mask[0]); | |
201 | } | |
202 | ||
203 | static ssize_t store_bitmask(struct device *dev, | |
204 | struct device_attribute *attr, | |
205 | const char *buf, size_t count) | |
206 | { | |
088ce2ac | 207 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
208 | long reqval; |
209 | u8 currval; | |
210 | ||
179c4fdb | 211 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
212 | return -EINVAL; |
213 | ||
2a844c14 | 214 | reqval = clamp_val(reqval, 0, param->mask[0]); |
d58de038 GJ |
215 | |
216 | reqval = (reqval & param->mask[0]) << param->shift[0]; | |
217 | ||
218 | mutex_lock(&data->update_lock); | |
219 | currval = read_byte(client, param->msb[0]); | |
220 | reqval |= (currval & ~(param->mask[0] << param->shift[0])); | |
221 | data->reg[param->msb[0]] = reqval; | |
222 | write_byte(client, param->msb[0], reqval); | |
223 | mutex_unlock(&data->update_lock); | |
224 | return count; | |
225 | } | |
226 | ||
227 | /* | |
228 | * 16 bit fan rpm values | |
229 | * reported by the device as the number of 11.111us periods (90khz) | |
230 | * between full fan rotations. Therefore... | |
231 | * RPM = (90000 * 60) / register value | |
232 | */ | |
233 | static ssize_t show_fan16(struct device *dev, | |
234 | struct device_attribute *attr, char *buf) | |
235 | { | |
088ce2ac | 236 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
237 | u16 regval; |
238 | ||
239 | mutex_lock(&data->update_lock); | |
240 | regval = (data->reg[param->msb[0]] << 8) | data->reg[param->lsb[0]]; | |
241 | mutex_unlock(&data->update_lock); | |
242 | ||
243 | return sprintf(buf, "%u\n", | |
244 | (regval == 0 ? -1 : (regval) == | |
245 | 0xffff ? 0 : 5400000 / regval)); | |
246 | } | |
247 | ||
248 | static ssize_t store_fan16(struct device *dev, | |
249 | struct device_attribute *attr, const char *buf, | |
250 | size_t count) | |
251 | { | |
088ce2ac | 252 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
253 | long reqval; |
254 | ||
179c4fdb | 255 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
256 | return -EINVAL; |
257 | ||
3c56b066 GR |
258 | /* |
259 | * If a minimum RPM of zero is requested, then we set the register to | |
260 | * 0xffff. This value allows the fan to be stopped completely without | |
261 | * generating an alarm. | |
262 | */ | |
d58de038 | 263 | reqval = |
2a844c14 | 264 | (reqval <= 0 ? 0xffff : clamp_val(5400000 / reqval, 0, 0xfffe)); |
d58de038 GJ |
265 | |
266 | mutex_lock(&data->update_lock); | |
267 | data->reg[param->msb[0]] = (reqval >> 8) & 0xff; | |
268 | data->reg[param->lsb[0]] = reqval & 0xff; | |
269 | write_byte(client, param->msb[0], data->reg[param->msb[0]]); | |
270 | write_byte(client, param->lsb[0], data->reg[param->lsb[0]]); | |
271 | mutex_unlock(&data->update_lock); | |
272 | ||
273 | return count; | |
274 | } | |
275 | ||
276 | /* | |
277 | * Voltages are scaled in the device so that the nominal voltage | |
278 | * is 3/4ths of the 0-255 range (i.e. 192). | |
279 | * If all voltages are 'normal' then all voltage registers will | |
d1bf8cf6 KM |
280 | * read 0xC0. |
281 | * | |
282 | * The data sheet provides us with the 3/4 scale value for each voltage | |
d58de038 GJ |
283 | * which is stored in in_scaling. The sda->index parameter value provides |
284 | * the index into in_scaling. | |
285 | * | |
286 | * NOTE: The chip expects the first 2 inputs be 2.5 and 2.25 volts | |
287 | * respectively. That doesn't mean that's what the motherboard provides. :) | |
288 | */ | |
289 | ||
7a7176aa | 290 | static const int asc7621_in_scaling[] = { |
d1bf8cf6 | 291 | 2500, 2250, 3300, 5000, 12000 |
d58de038 GJ |
292 | }; |
293 | ||
294 | static ssize_t show_in10(struct device *dev, struct device_attribute *attr, | |
295 | char *buf) | |
296 | { | |
088ce2ac | 297 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
298 | u16 regval; |
299 | u8 nr = sda->index; | |
300 | ||
301 | mutex_lock(&data->update_lock); | |
d1bf8cf6 | 302 | regval = (data->reg[param->msb[0]] << 8) | (data->reg[param->lsb[0]]); |
d58de038 GJ |
303 | mutex_unlock(&data->update_lock); |
304 | ||
d1bf8cf6 KM |
305 | /* The LSB value is a 2-bit scaling of the MSB's LSbit value. */ |
306 | regval = (regval >> 6) * asc7621_in_scaling[nr] / (0xc0 << 2); | |
307 | ||
d58de038 GJ |
308 | return sprintf(buf, "%u\n", regval); |
309 | } | |
310 | ||
311 | /* 8 bit voltage values (the mins and maxs) */ | |
312 | static ssize_t show_in8(struct device *dev, struct device_attribute *attr, | |
313 | char *buf) | |
314 | { | |
088ce2ac | 315 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
316 | u8 nr = sda->index; |
317 | ||
318 | return sprintf(buf, "%u\n", | |
319 | ((data->reg[param->msb[0]] * | |
d1bf8cf6 | 320 | asc7621_in_scaling[nr]) / 0xc0)); |
d58de038 GJ |
321 | } |
322 | ||
323 | static ssize_t store_in8(struct device *dev, struct device_attribute *attr, | |
324 | const char *buf, size_t count) | |
325 | { | |
088ce2ac | 326 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
327 | long reqval; |
328 | u8 nr = sda->index; | |
329 | ||
179c4fdb | 330 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
331 | return -EINVAL; |
332 | ||
2a844c14 | 333 | reqval = clamp_val(reqval, 0, 0xffff); |
d1bf8cf6 KM |
334 | |
335 | reqval = reqval * 0xc0 / asc7621_in_scaling[nr]; | |
d58de038 | 336 | |
2a844c14 | 337 | reqval = clamp_val(reqval, 0, 0xff); |
d58de038 GJ |
338 | |
339 | mutex_lock(&data->update_lock); | |
340 | data->reg[param->msb[0]] = reqval; | |
341 | write_byte(client, param->msb[0], reqval); | |
342 | mutex_unlock(&data->update_lock); | |
343 | ||
344 | return count; | |
345 | } | |
346 | ||
347 | static ssize_t show_temp8(struct device *dev, | |
348 | struct device_attribute *attr, char *buf) | |
349 | { | |
088ce2ac | 350 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
351 | |
352 | return sprintf(buf, "%d\n", ((s8) data->reg[param->msb[0]]) * 1000); | |
353 | } | |
354 | ||
355 | static ssize_t store_temp8(struct device *dev, | |
356 | struct device_attribute *attr, const char *buf, | |
357 | size_t count) | |
358 | { | |
088ce2ac | 359 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
360 | long reqval; |
361 | s8 temp; | |
362 | ||
179c4fdb | 363 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
364 | return -EINVAL; |
365 | ||
2a844c14 | 366 | reqval = clamp_val(reqval, -127000, 127000); |
d58de038 GJ |
367 | |
368 | temp = reqval / 1000; | |
369 | ||
370 | mutex_lock(&data->update_lock); | |
371 | data->reg[param->msb[0]] = temp; | |
372 | write_byte(client, param->msb[0], temp); | |
373 | mutex_unlock(&data->update_lock); | |
374 | return count; | |
375 | } | |
376 | ||
377 | /* | |
378 | * Temperatures that occupy 2 bytes always have the whole | |
379 | * number of degrees in the MSB with some part of the LSB | |
380 | * indicating fractional degrees. | |
381 | */ | |
382 | ||
383 | /* mmmmmmmm.llxxxxxx */ | |
384 | static ssize_t show_temp10(struct device *dev, | |
385 | struct device_attribute *attr, char *buf) | |
386 | { | |
088ce2ac | 387 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
388 | u8 msb, lsb; |
389 | int temp; | |
390 | ||
391 | mutex_lock(&data->update_lock); | |
392 | msb = data->reg[param->msb[0]]; | |
393 | lsb = (data->reg[param->lsb[0]] >> 6) & 0x03; | |
394 | temp = (((s8) msb) * 1000) + (lsb * 250); | |
395 | mutex_unlock(&data->update_lock); | |
396 | ||
397 | return sprintf(buf, "%d\n", temp); | |
398 | } | |
399 | ||
400 | /* mmmmmm.ll */ | |
401 | static ssize_t show_temp62(struct device *dev, | |
402 | struct device_attribute *attr, char *buf) | |
403 | { | |
088ce2ac | 404 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
405 | u8 regval = data->reg[param->msb[0]]; |
406 | int temp = ((s8) (regval & 0xfc) * 1000) + ((regval & 0x03) * 250); | |
407 | ||
408 | return sprintf(buf, "%d\n", temp); | |
409 | } | |
410 | ||
411 | static ssize_t store_temp62(struct device *dev, | |
412 | struct device_attribute *attr, const char *buf, | |
413 | size_t count) | |
414 | { | |
088ce2ac | 415 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
416 | long reqval, i, f; |
417 | s8 temp; | |
418 | ||
179c4fdb | 419 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
420 | return -EINVAL; |
421 | ||
2a844c14 | 422 | reqval = clamp_val(reqval, -32000, 31750); |
d58de038 GJ |
423 | i = reqval / 1000; |
424 | f = reqval - (i * 1000); | |
425 | temp = i << 2; | |
426 | temp |= f / 250; | |
427 | ||
428 | mutex_lock(&data->update_lock); | |
429 | data->reg[param->msb[0]] = temp; | |
430 | write_byte(client, param->msb[0], temp); | |
431 | mutex_unlock(&data->update_lock); | |
432 | return count; | |
433 | } | |
434 | ||
435 | /* | |
436 | * The aSC7621 doesn't provide an "auto_point2". Instead, you | |
437 | * specify the auto_point1 and a range. To keep with the sysfs | |
438 | * hwmon specs, we synthesize the auto_point_2 from them. | |
439 | */ | |
440 | ||
7a7176aa | 441 | static const u32 asc7621_range_map[] = { |
d58de038 GJ |
442 | 2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000, |
443 | 13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000, | |
444 | }; | |
445 | ||
446 | static ssize_t show_ap2_temp(struct device *dev, | |
447 | struct device_attribute *attr, char *buf) | |
448 | { | |
088ce2ac | 449 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
450 | long auto_point1; |
451 | u8 regval; | |
452 | int temp; | |
453 | ||
454 | mutex_lock(&data->update_lock); | |
455 | auto_point1 = ((s8) data->reg[param->msb[1]]) * 1000; | |
456 | regval = | |
457 | ((data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]); | |
2a844c14 | 458 | temp = auto_point1 + asc7621_range_map[clamp_val(regval, 0, 15)]; |
d58de038 GJ |
459 | mutex_unlock(&data->update_lock); |
460 | ||
461 | return sprintf(buf, "%d\n", temp); | |
462 | ||
463 | } | |
464 | ||
465 | static ssize_t store_ap2_temp(struct device *dev, | |
466 | struct device_attribute *attr, | |
467 | const char *buf, size_t count) | |
468 | { | |
088ce2ac | 469 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
470 | long reqval, auto_point1; |
471 | int i; | |
472 | u8 currval, newval = 0; | |
473 | ||
179c4fdb | 474 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
475 | return -EINVAL; |
476 | ||
477 | mutex_lock(&data->update_lock); | |
478 | auto_point1 = data->reg[param->msb[1]] * 1000; | |
2a844c14 | 479 | reqval = clamp_val(reqval, auto_point1 + 2000, auto_point1 + 80000); |
d58de038 GJ |
480 | |
481 | for (i = ARRAY_SIZE(asc7621_range_map) - 1; i >= 0; i--) { | |
482 | if (reqval >= auto_point1 + asc7621_range_map[i]) { | |
483 | newval = i; | |
484 | break; | |
485 | } | |
486 | } | |
487 | ||
488 | newval = (newval & param->mask[0]) << param->shift[0]; | |
489 | currval = read_byte(client, param->msb[0]); | |
490 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
491 | data->reg[param->msb[0]] = newval; | |
492 | write_byte(client, param->msb[0], newval); | |
493 | mutex_unlock(&data->update_lock); | |
494 | return count; | |
495 | } | |
496 | ||
497 | static ssize_t show_pwm_ac(struct device *dev, | |
498 | struct device_attribute *attr, char *buf) | |
499 | { | |
088ce2ac | 500 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 | 501 | u8 config, altbit, regval; |
69301258 | 502 | static const u8 map[] = { |
d58de038 GJ |
503 | 0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10, |
504 | 0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f | |
505 | }; | |
506 | ||
507 | mutex_lock(&data->update_lock); | |
508 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
509 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
510 | regval = config | (altbit << 3); | |
511 | mutex_unlock(&data->update_lock); | |
512 | ||
2a844c14 | 513 | return sprintf(buf, "%u\n", map[clamp_val(regval, 0, 15)]); |
d58de038 GJ |
514 | } |
515 | ||
516 | static ssize_t store_pwm_ac(struct device *dev, | |
517 | struct device_attribute *attr, | |
518 | const char *buf, size_t count) | |
519 | { | |
088ce2ac | 520 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
521 | unsigned long reqval; |
522 | u8 currval, config, altbit, newval; | |
69301258 | 523 | static const u16 map[] = { |
d58de038 GJ |
524 | 0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06, |
525 | 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, | |
526 | 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
527 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, | |
528 | }; | |
529 | ||
179c4fdb | 530 | if (kstrtoul(buf, 10, &reqval)) |
d58de038 GJ |
531 | return -EINVAL; |
532 | ||
533 | if (reqval > 31) | |
534 | return -EINVAL; | |
535 | ||
536 | reqval = map[reqval]; | |
537 | if (reqval == 0xff) | |
538 | return -EINVAL; | |
539 | ||
540 | config = reqval & 0x07; | |
541 | altbit = (reqval >> 3) & 0x01; | |
542 | ||
543 | config = (config & param->mask[0]) << param->shift[0]; | |
544 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
545 | ||
546 | mutex_lock(&data->update_lock); | |
547 | currval = read_byte(client, param->msb[0]); | |
548 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
549 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
550 | data->reg[param->msb[0]] = newval; | |
551 | write_byte(client, param->msb[0], newval); | |
552 | mutex_unlock(&data->update_lock); | |
553 | return count; | |
554 | } | |
555 | ||
556 | static ssize_t show_pwm_enable(struct device *dev, | |
557 | struct device_attribute *attr, char *buf) | |
558 | { | |
088ce2ac | 559 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
560 | u8 config, altbit, minoff, val, newval; |
561 | ||
562 | mutex_lock(&data->update_lock); | |
563 | config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
564 | altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; | |
565 | minoff = (data->reg[param->msb[2]] >> param->shift[2]) & param->mask[2]; | |
566 | mutex_unlock(&data->update_lock); | |
567 | ||
568 | val = config | (altbit << 3); | |
d58de038 GJ |
569 | |
570 | if (val == 3 || val >= 10) | |
571 | newval = 255; | |
572 | else if (val == 4) | |
573 | newval = 0; | |
574 | else if (val == 7) | |
575 | newval = 1; | |
576 | else if (minoff == 1) | |
577 | newval = 2; | |
578 | else | |
579 | newval = 3; | |
580 | ||
581 | return sprintf(buf, "%u\n", newval); | |
582 | } | |
583 | ||
584 | static ssize_t store_pwm_enable(struct device *dev, | |
585 | struct device_attribute *attr, | |
586 | const char *buf, size_t count) | |
587 | { | |
088ce2ac | 588 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
589 | long reqval; |
590 | u8 currval, config, altbit, newval, minoff = 255; | |
591 | ||
179c4fdb | 592 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
593 | return -EINVAL; |
594 | ||
595 | switch (reqval) { | |
596 | case 0: | |
597 | newval = 0x04; | |
598 | break; | |
599 | case 1: | |
600 | newval = 0x07; | |
601 | break; | |
602 | case 2: | |
603 | newval = 0x00; | |
604 | minoff = 1; | |
605 | break; | |
606 | case 3: | |
607 | newval = 0x00; | |
608 | minoff = 0; | |
609 | break; | |
610 | case 255: | |
611 | newval = 0x03; | |
612 | break; | |
613 | default: | |
614 | return -EINVAL; | |
615 | } | |
616 | ||
617 | config = newval & 0x07; | |
618 | altbit = (newval >> 3) & 0x01; | |
619 | ||
620 | mutex_lock(&data->update_lock); | |
621 | config = (config & param->mask[0]) << param->shift[0]; | |
622 | altbit = (altbit & param->mask[1]) << param->shift[1]; | |
623 | currval = read_byte(client, param->msb[0]); | |
624 | newval = config | (currval & ~(param->mask[0] << param->shift[0])); | |
625 | newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); | |
626 | data->reg[param->msb[0]] = newval; | |
627 | write_byte(client, param->msb[0], newval); | |
628 | if (minoff < 255) { | |
629 | minoff = (minoff & param->mask[2]) << param->shift[2]; | |
630 | currval = read_byte(client, param->msb[2]); | |
631 | newval = | |
632 | minoff | (currval & ~(param->mask[2] << param->shift[2])); | |
633 | data->reg[param->msb[2]] = newval; | |
634 | write_byte(client, param->msb[2], newval); | |
635 | } | |
636 | mutex_unlock(&data->update_lock); | |
637 | return count; | |
638 | } | |
639 | ||
7a7176aa | 640 | static const u32 asc7621_pwm_freq_map[] = { |
d58de038 GJ |
641 | 10, 15, 23, 30, 38, 47, 62, 94, |
642 | 23000, 24000, 25000, 26000, 27000, 28000, 29000, 30000 | |
643 | }; | |
644 | ||
645 | static ssize_t show_pwm_freq(struct device *dev, | |
646 | struct device_attribute *attr, char *buf) | |
647 | { | |
088ce2ac | 648 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
649 | u8 regval = |
650 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
651 | ||
2a844c14 | 652 | regval = clamp_val(regval, 0, 15); |
d58de038 GJ |
653 | |
654 | return sprintf(buf, "%u\n", asc7621_pwm_freq_map[regval]); | |
655 | } | |
656 | ||
657 | static ssize_t store_pwm_freq(struct device *dev, | |
658 | struct device_attribute *attr, | |
659 | const char *buf, size_t count) | |
660 | { | |
088ce2ac | 661 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
662 | unsigned long reqval; |
663 | u8 currval, newval = 255; | |
664 | int i; | |
665 | ||
179c4fdb | 666 | if (kstrtoul(buf, 10, &reqval)) |
d58de038 GJ |
667 | return -EINVAL; |
668 | ||
669 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_freq_map); i++) { | |
670 | if (reqval == asc7621_pwm_freq_map[i]) { | |
671 | newval = i; | |
672 | break; | |
673 | } | |
674 | } | |
675 | if (newval == 255) | |
676 | return -EINVAL; | |
677 | ||
678 | newval = (newval & param->mask[0]) << param->shift[0]; | |
679 | ||
680 | mutex_lock(&data->update_lock); | |
681 | currval = read_byte(client, param->msb[0]); | |
682 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
683 | data->reg[param->msb[0]] = newval; | |
684 | write_byte(client, param->msb[0], newval); | |
685 | mutex_unlock(&data->update_lock); | |
686 | return count; | |
687 | } | |
688 | ||
7a7176aa | 689 | static const u32 asc7621_pwm_auto_spinup_map[] = { |
d58de038 GJ |
690 | 0, 100, 250, 400, 700, 1000, 2000, 4000 |
691 | }; | |
692 | ||
693 | static ssize_t show_pwm_ast(struct device *dev, | |
694 | struct device_attribute *attr, char *buf) | |
695 | { | |
088ce2ac | 696 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
697 | u8 regval = |
698 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
699 | ||
2a844c14 | 700 | regval = clamp_val(regval, 0, 7); |
d58de038 GJ |
701 | |
702 | return sprintf(buf, "%u\n", asc7621_pwm_auto_spinup_map[regval]); | |
703 | ||
704 | } | |
705 | ||
706 | static ssize_t store_pwm_ast(struct device *dev, | |
707 | struct device_attribute *attr, | |
708 | const char *buf, size_t count) | |
709 | { | |
088ce2ac | 710 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
711 | long reqval; |
712 | u8 currval, newval = 255; | |
713 | u32 i; | |
714 | ||
179c4fdb | 715 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
716 | return -EINVAL; |
717 | ||
718 | for (i = 0; i < ARRAY_SIZE(asc7621_pwm_auto_spinup_map); i++) { | |
719 | if (reqval == asc7621_pwm_auto_spinup_map[i]) { | |
720 | newval = i; | |
721 | break; | |
722 | } | |
723 | } | |
724 | if (newval == 255) | |
725 | return -EINVAL; | |
726 | ||
727 | newval = (newval & param->mask[0]) << param->shift[0]; | |
728 | ||
729 | mutex_lock(&data->update_lock); | |
730 | currval = read_byte(client, param->msb[0]); | |
731 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
732 | data->reg[param->msb[0]] = newval; | |
733 | write_byte(client, param->msb[0], newval); | |
734 | mutex_unlock(&data->update_lock); | |
735 | return count; | |
736 | } | |
737 | ||
7a7176aa | 738 | static const u32 asc7621_temp_smoothing_time_map[] = { |
d58de038 GJ |
739 | 35000, 17600, 11800, 7000, 4400, 3000, 1600, 800 |
740 | }; | |
741 | ||
742 | static ssize_t show_temp_st(struct device *dev, | |
743 | struct device_attribute *attr, char *buf) | |
744 | { | |
088ce2ac | 745 | SETUP_SHOW_DATA_PARAM(dev, attr); |
d58de038 GJ |
746 | u8 regval = |
747 | (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; | |
2a844c14 | 748 | regval = clamp_val(regval, 0, 7); |
d58de038 GJ |
749 | |
750 | return sprintf(buf, "%u\n", asc7621_temp_smoothing_time_map[regval]); | |
751 | } | |
752 | ||
753 | static ssize_t store_temp_st(struct device *dev, | |
754 | struct device_attribute *attr, | |
755 | const char *buf, size_t count) | |
756 | { | |
088ce2ac | 757 | SETUP_STORE_DATA_PARAM(dev, attr); |
d58de038 GJ |
758 | long reqval; |
759 | u8 currval, newval = 255; | |
760 | u32 i; | |
761 | ||
179c4fdb | 762 | if (kstrtol(buf, 10, &reqval)) |
d58de038 GJ |
763 | return -EINVAL; |
764 | ||
765 | for (i = 0; i < ARRAY_SIZE(asc7621_temp_smoothing_time_map); i++) { | |
766 | if (reqval == asc7621_temp_smoothing_time_map[i]) { | |
767 | newval = i; | |
768 | break; | |
769 | } | |
770 | } | |
771 | ||
772 | if (newval == 255) | |
773 | return -EINVAL; | |
774 | ||
775 | newval = (newval & param->mask[0]) << param->shift[0]; | |
776 | ||
777 | mutex_lock(&data->update_lock); | |
778 | currval = read_byte(client, param->msb[0]); | |
779 | newval |= (currval & ~(param->mask[0] << param->shift[0])); | |
780 | data->reg[param->msb[0]] = newval; | |
781 | write_byte(client, param->msb[0], newval); | |
782 | mutex_unlock(&data->update_lock); | |
783 | return count; | |
784 | } | |
785 | ||
786 | /* | |
787 | * End of data handlers | |
788 | * | |
789 | * These defines do nothing more than make the table easier | |
790 | * to read when wrapped at column 80. | |
791 | */ | |
792 | ||
793 | /* | |
794 | * Creates a variable length array inititalizer. | |
795 | * VAA(1,3,5,7) would produce {1,3,5,7} | |
796 | */ | |
797 | #define VAA(args...) {args} | |
798 | ||
799 | #define PREAD(name, n, pri, rm, rl, m, s, r) \ | |
800 | {.sda = SENSOR_ATTR(name, S_IRUGO, show_##r, NULL, n), \ | |
801 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
802 | .shift[0] = s,} | |
803 | ||
804 | #define PWRITE(name, n, pri, rm, rl, m, s, r) \ | |
805 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
806 | .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ | |
807 | .shift[0] = s,} | |
808 | ||
809 | /* | |
810 | * PWRITEM assumes that the initializers for the .msb, .lsb, .mask and .shift | |
811 | * were created using the VAA macro. | |
812 | */ | |
813 | #define PWRITEM(name, n, pri, rm, rl, m, s, r) \ | |
814 | {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ | |
815 | .priority = pri, .msb = rm, .lsb = rl, .mask = m, .shift = s,} | |
816 | ||
817 | static struct asc7621_param asc7621_params[] = { | |
818 | PREAD(in0_input, 0, PRI_HIGH, 0x20, 0x13, 0, 0, in10), | |
819 | PREAD(in1_input, 1, PRI_HIGH, 0x21, 0x18, 0, 0, in10), | |
820 | PREAD(in2_input, 2, PRI_HIGH, 0x22, 0x11, 0, 0, in10), | |
821 | PREAD(in3_input, 3, PRI_HIGH, 0x23, 0x12, 0, 0, in10), | |
822 | PREAD(in4_input, 4, PRI_HIGH, 0x24, 0x14, 0, 0, in10), | |
823 | ||
824 | PWRITE(in0_min, 0, PRI_LOW, 0x44, 0, 0, 0, in8), | |
825 | PWRITE(in1_min, 1, PRI_LOW, 0x46, 0, 0, 0, in8), | |
826 | PWRITE(in2_min, 2, PRI_LOW, 0x48, 0, 0, 0, in8), | |
827 | PWRITE(in3_min, 3, PRI_LOW, 0x4a, 0, 0, 0, in8), | |
828 | PWRITE(in4_min, 4, PRI_LOW, 0x4c, 0, 0, 0, in8), | |
829 | ||
830 | PWRITE(in0_max, 0, PRI_LOW, 0x45, 0, 0, 0, in8), | |
831 | PWRITE(in1_max, 1, PRI_LOW, 0x47, 0, 0, 0, in8), | |
832 | PWRITE(in2_max, 2, PRI_LOW, 0x49, 0, 0, 0, in8), | |
833 | PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8), | |
834 | PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8), | |
835 | ||
d1bf8cf6 KM |
836 | PREAD(in0_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 0, bitmask), |
837 | PREAD(in1_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 1, bitmask), | |
838 | PREAD(in2_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 2, bitmask), | |
839 | PREAD(in3_alarm, 3, PRI_HIGH, 0x41, 0, 0x01, 3, bitmask), | |
840 | PREAD(in4_alarm, 4, PRI_HIGH, 0x42, 0, 0x01, 0, bitmask), | |
d58de038 GJ |
841 | |
842 | PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16), | |
843 | PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16), | |
844 | PREAD(fan3_input, 2, PRI_HIGH, 0x2d, 0x2c, 0, 0, fan16), | |
845 | PREAD(fan4_input, 3, PRI_HIGH, 0x2f, 0x2e, 0, 0, fan16), | |
846 | ||
847 | PWRITE(fan1_min, 0, PRI_LOW, 0x55, 0x54, 0, 0, fan16), | |
848 | PWRITE(fan2_min, 1, PRI_LOW, 0x57, 0x56, 0, 0, fan16), | |
849 | PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16), | |
850 | PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16), | |
851 | ||
d1bf8cf6 KM |
852 | PREAD(fan1_alarm, 0, PRI_HIGH, 0x42, 0, 0x01, 2, bitmask), |
853 | PREAD(fan2_alarm, 1, PRI_HIGH, 0x42, 0, 0x01, 3, bitmask), | |
854 | PREAD(fan3_alarm, 2, PRI_HIGH, 0x42, 0, 0x01, 4, bitmask), | |
855 | PREAD(fan4_alarm, 3, PRI_HIGH, 0x42, 0, 0x01, 5, bitmask), | |
d58de038 GJ |
856 | |
857 | PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10), | |
858 | PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10), | |
859 | PREAD(temp3_input, 2, PRI_HIGH, 0x27, 0x16, 0, 0, temp10), | |
860 | PREAD(temp4_input, 3, PRI_HIGH, 0x33, 0x17, 0, 0, temp10), | |
861 | PREAD(temp5_input, 4, PRI_HIGH, 0xf7, 0xf6, 0, 0, temp10), | |
862 | PREAD(temp6_input, 5, PRI_HIGH, 0xf9, 0xf8, 0, 0, temp10), | |
863 | PREAD(temp7_input, 6, PRI_HIGH, 0xfb, 0xfa, 0, 0, temp10), | |
864 | PREAD(temp8_input, 7, PRI_HIGH, 0xfd, 0xfc, 0, 0, temp10), | |
865 | ||
866 | PWRITE(temp1_min, 0, PRI_LOW, 0x4e, 0, 0, 0, temp8), | |
867 | PWRITE(temp2_min, 1, PRI_LOW, 0x50, 0, 0, 0, temp8), | |
868 | PWRITE(temp3_min, 2, PRI_LOW, 0x52, 0, 0, 0, temp8), | |
869 | PWRITE(temp4_min, 3, PRI_LOW, 0x34, 0, 0, 0, temp8), | |
870 | ||
871 | PWRITE(temp1_max, 0, PRI_LOW, 0x4f, 0, 0, 0, temp8), | |
872 | PWRITE(temp2_max, 1, PRI_LOW, 0x51, 0, 0, 0, temp8), | |
873 | PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8), | |
874 | PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8), | |
875 | ||
d1bf8cf6 KM |
876 | PREAD(temp1_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 4, bitmask), |
877 | PREAD(temp2_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 5, bitmask), | |
878 | PREAD(temp3_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 6, bitmask), | |
879 | PREAD(temp4_alarm, 3, PRI_HIGH, 0x43, 0, 0x01, 0, bitmask), | |
d58de038 GJ |
880 | |
881 | PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask), | |
882 | PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask), | |
883 | PWRITE(temp3_source, 2, PRI_LOW, 0x03, 0, 0x07, 4, bitmask), | |
884 | PWRITE(temp4_source, 3, PRI_LOW, 0x03, 0, 0x07, 0, bitmask), | |
885 | ||
886 | PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask), | |
887 | PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask), | |
d1bf8cf6 | 888 | PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x63, 0, 0x01, 3, bitmask), |
d58de038 GJ |
889 | PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask), |
890 | ||
891 | PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st), | |
892 | PWRITE(temp2_smoothing_time, 1, PRI_LOW, 0x63, 0, 0x07, 4, temp_st), | |
893 | PWRITE(temp3_smoothing_time, 2, PRI_LOW, 0x63, 0, 0x07, 0, temp_st), | |
894 | PWRITE(temp4_smoothing_time, 3, PRI_LOW, 0x3c, 0, 0x07, 0, temp_st), | |
895 | ||
896 | PWRITE(temp1_auto_point1_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
897 | bitmask), | |
898 | PWRITE(temp2_auto_point1_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
899 | bitmask), | |
900 | PWRITE(temp3_auto_point1_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
901 | bitmask), | |
902 | PWRITE(temp4_auto_point1_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
903 | bitmask), | |
904 | ||
905 | PREAD(temp1_auto_point2_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, | |
906 | bitmask), | |
907 | PREAD(temp2_auto_point2_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, | |
908 | bitmask), | |
909 | PREAD(temp3_auto_point2_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, | |
910 | bitmask), | |
911 | PREAD(temp4_auto_point2_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, | |
912 | bitmask), | |
913 | ||
914 | PWRITE(temp1_auto_point1_temp, 0, PRI_LOW, 0x67, 0, 0, 0, temp8), | |
915 | PWRITE(temp2_auto_point1_temp, 1, PRI_LOW, 0x68, 0, 0, 0, temp8), | |
916 | PWRITE(temp3_auto_point1_temp, 2, PRI_LOW, 0x69, 0, 0, 0, temp8), | |
917 | PWRITE(temp4_auto_point1_temp, 3, PRI_LOW, 0x3b, 0, 0, 0, temp8), | |
918 | ||
919 | PWRITEM(temp1_auto_point2_temp, 0, PRI_LOW, VAA(0x5f, 0x67), VAA(0), | |
920 | VAA(0x0f), VAA(4), ap2_temp), | |
921 | PWRITEM(temp2_auto_point2_temp, 1, PRI_LOW, VAA(0x60, 0x68), VAA(0), | |
922 | VAA(0x0f), VAA(4), ap2_temp), | |
923 | PWRITEM(temp3_auto_point2_temp, 2, PRI_LOW, VAA(0x61, 0x69), VAA(0), | |
924 | VAA(0x0f), VAA(4), ap2_temp), | |
925 | PWRITEM(temp4_auto_point2_temp, 3, PRI_LOW, VAA(0x3c, 0x3b), VAA(0), | |
926 | VAA(0x0f), VAA(4), ap2_temp), | |
927 | ||
928 | PWRITE(temp1_crit, 0, PRI_LOW, 0x6a, 0, 0, 0, temp8), | |
929 | PWRITE(temp2_crit, 1, PRI_LOW, 0x6b, 0, 0, 0, temp8), | |
930 | PWRITE(temp3_crit, 2, PRI_LOW, 0x6c, 0, 0, 0, temp8), | |
931 | PWRITE(temp4_crit, 3, PRI_LOW, 0x3d, 0, 0, 0, temp8), | |
932 | ||
933 | PWRITE(temp5_enable, 4, PRI_LOW, 0x0e, 0, 0x01, 0, bitmask), | |
934 | PWRITE(temp6_enable, 5, PRI_LOW, 0x0e, 0, 0x01, 1, bitmask), | |
935 | PWRITE(temp7_enable, 6, PRI_LOW, 0x0e, 0, 0x01, 2, bitmask), | |
936 | PWRITE(temp8_enable, 7, PRI_LOW, 0x0e, 0, 0x01, 3, bitmask), | |
937 | ||
938 | PWRITE(remote1_offset, 0, PRI_LOW, 0x1c, 0, 0, 0, temp62), | |
939 | PWRITE(remote2_offset, 1, PRI_LOW, 0x1d, 0, 0, 0, temp62), | |
940 | ||
941 | PWRITE(pwm1, 0, PRI_HIGH, 0x30, 0, 0, 0, u8), | |
942 | PWRITE(pwm2, 1, PRI_HIGH, 0x31, 0, 0, 0, u8), | |
943 | PWRITE(pwm3, 2, PRI_HIGH, 0x32, 0, 0, 0, u8), | |
944 | ||
945 | PWRITE(pwm1_invert, 0, PRI_LOW, 0x5c, 0, 0x01, 4, bitmask), | |
946 | PWRITE(pwm2_invert, 1, PRI_LOW, 0x5d, 0, 0x01, 4, bitmask), | |
947 | PWRITE(pwm3_invert, 2, PRI_LOW, 0x5e, 0, 0x01, 4, bitmask), | |
948 | ||
949 | PWRITEM(pwm1_enable, 0, PRI_LOW, VAA(0x5c, 0x5c, 0x62), VAA(0, 0, 0), | |
950 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 5), pwm_enable), | |
951 | PWRITEM(pwm2_enable, 1, PRI_LOW, VAA(0x5d, 0x5d, 0x62), VAA(0, 0, 0), | |
952 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 6), pwm_enable), | |
953 | PWRITEM(pwm3_enable, 2, PRI_LOW, VAA(0x5e, 0x5e, 0x62), VAA(0, 0, 0), | |
954 | VAA(0x07, 0x01, 0x01), VAA(5, 3, 7), pwm_enable), | |
955 | ||
956 | PWRITEM(pwm1_auto_channels, 0, PRI_LOW, VAA(0x5c, 0x5c), VAA(0, 0), | |
957 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
958 | PWRITEM(pwm2_auto_channels, 1, PRI_LOW, VAA(0x5d, 0x5d), VAA(0, 0), | |
959 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
960 | PWRITEM(pwm3_auto_channels, 2, PRI_LOW, VAA(0x5e, 0x5e), VAA(0, 0), | |
961 | VAA(0x07, 0x01), VAA(5, 3), pwm_ac), | |
962 | ||
963 | PWRITE(pwm1_auto_point1_pwm, 0, PRI_LOW, 0x64, 0, 0, 0, u8), | |
964 | PWRITE(pwm2_auto_point1_pwm, 1, PRI_LOW, 0x65, 0, 0, 0, u8), | |
965 | PWRITE(pwm3_auto_point1_pwm, 2, PRI_LOW, 0x66, 0, 0, 0, u8), | |
966 | ||
967 | PWRITE(pwm1_auto_point2_pwm, 0, PRI_LOW, 0x38, 0, 0, 0, u8), | |
968 | PWRITE(pwm2_auto_point2_pwm, 1, PRI_LOW, 0x39, 0, 0, 0, u8), | |
969 | PWRITE(pwm3_auto_point2_pwm, 2, PRI_LOW, 0x3a, 0, 0, 0, u8), | |
970 | ||
971 | PWRITE(pwm1_freq, 0, PRI_LOW, 0x5f, 0, 0x0f, 0, pwm_freq), | |
972 | PWRITE(pwm2_freq, 1, PRI_LOW, 0x60, 0, 0x0f, 0, pwm_freq), | |
973 | PWRITE(pwm3_freq, 2, PRI_LOW, 0x61, 0, 0x0f, 0, pwm_freq), | |
974 | ||
975 | PREAD(pwm1_auto_zone_assigned, 0, PRI_LOW, 0, 0, 0x03, 2, bitmask), | |
976 | PREAD(pwm2_auto_zone_assigned, 1, PRI_LOW, 0, 0, 0x03, 4, bitmask), | |
977 | PREAD(pwm3_auto_zone_assigned, 2, PRI_LOW, 0, 0, 0x03, 6, bitmask), | |
978 | ||
979 | PWRITE(pwm1_auto_spinup_time, 0, PRI_LOW, 0x5c, 0, 0x07, 0, pwm_ast), | |
980 | PWRITE(pwm2_auto_spinup_time, 1, PRI_LOW, 0x5d, 0, 0x07, 0, pwm_ast), | |
981 | PWRITE(pwm3_auto_spinup_time, 2, PRI_LOW, 0x5e, 0, 0x07, 0, pwm_ast), | |
982 | ||
983 | PWRITE(peci_enable, 0, PRI_LOW, 0x40, 0, 0x01, 4, bitmask), | |
984 | PWRITE(peci_avg, 0, PRI_LOW, 0x36, 0, 0x07, 0, bitmask), | |
985 | PWRITE(peci_domain, 0, PRI_LOW, 0x36, 0, 0x01, 3, bitmask), | |
986 | PWRITE(peci_legacy, 0, PRI_LOW, 0x36, 0, 0x01, 4, bitmask), | |
987 | PWRITE(peci_diode, 0, PRI_LOW, 0x0e, 0, 0x07, 4, bitmask), | |
988 | PWRITE(peci_4domain, 0, PRI_LOW, 0x0e, 0, 0x01, 4, bitmask), | |
989 | ||
990 | }; | |
991 | ||
992 | static struct asc7621_data *asc7621_update_device(struct device *dev) | |
993 | { | |
994 | struct i2c_client *client = to_i2c_client(dev); | |
995 | struct asc7621_data *data = i2c_get_clientdata(client); | |
996 | int i; | |
997 | ||
998 | /* | |
999 | * The asc7621 chips guarantee consistent reads of multi-byte values | |
1000 | * regardless of the order of the reads. No special logic is needed | |
1001 | * so we can just read the registers in whatever order they appear | |
1002 | * in the asc7621_params array. | |
1003 | */ | |
1004 | ||
1005 | mutex_lock(&data->update_lock); | |
1006 | ||
1007 | /* Read all the high priority registers */ | |
1008 | ||
1009 | if (!data->valid || | |
1010 | time_after(jiffies, data->last_high_reading + INTERVAL_HIGH)) { | |
1011 | ||
1012 | for (i = 0; i < ARRAY_SIZE(asc7621_register_priorities); i++) { | |
1013 | if (asc7621_register_priorities[i] == PRI_HIGH) { | |
1014 | data->reg[i] = | |
1015 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1016 | } | |
1017 | } | |
1018 | data->last_high_reading = jiffies; | |
a0393713 | 1019 | } /* last_reading */ |
d58de038 GJ |
1020 | |
1021 | /* Read all the low priority registers. */ | |
1022 | ||
1023 | if (!data->valid || | |
1024 | time_after(jiffies, data->last_low_reading + INTERVAL_LOW)) { | |
1025 | ||
1026 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1027 | if (asc7621_register_priorities[i] == PRI_LOW) { | |
1028 | data->reg[i] = | |
1029 | i2c_smbus_read_byte_data(client, i) & 0xff; | |
1030 | } | |
1031 | } | |
1032 | data->last_low_reading = jiffies; | |
a0393713 | 1033 | } /* last_reading */ |
d58de038 GJ |
1034 | |
1035 | data->valid = 1; | |
1036 | ||
1037 | mutex_unlock(&data->update_lock); | |
1038 | ||
1039 | return data; | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * Standard detection and initialization below | |
1044 | * | |
1045 | * Helper function that checks if an address is valid | |
1046 | * for a particular chip. | |
1047 | */ | |
1048 | ||
1049 | static inline int valid_address_for_chip(int chip_type, int address) | |
1050 | { | |
1051 | int i; | |
1052 | ||
1053 | for (i = 0; asc7621_chips[chip_type].addresses[i] != I2C_CLIENT_END; | |
1054 | i++) { | |
1055 | if (asc7621_chips[chip_type].addresses[i] == address) | |
1056 | return 1; | |
1057 | } | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | static void asc7621_init_client(struct i2c_client *client) | |
1062 | { | |
1063 | int value; | |
1064 | ||
1065 | /* Warn if part was not "READY" */ | |
1066 | ||
1067 | value = read_byte(client, 0x40); | |
1068 | ||
1069 | if (value & 0x02) { | |
1070 | dev_err(&client->dev, | |
1071 | "Client (%d,0x%02x) config is locked.\n", | |
1072 | i2c_adapter_id(client->adapter), client->addr); | |
a0393713 | 1073 | } |
d58de038 GJ |
1074 | if (!(value & 0x04)) { |
1075 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", | |
1076 | i2c_adapter_id(client->adapter), client->addr); | |
a0393713 | 1077 | } |
d58de038 GJ |
1078 | |
1079 | /* | |
1080 | * Start monitoring | |
1081 | * | |
1082 | * Try to clear LOCK, Set START, save everything else | |
1083 | */ | |
1084 | value = (value & ~0x02) | 0x01; | |
1085 | write_byte(client, 0x40, value & 0xff); | |
1086 | ||
1087 | } | |
1088 | ||
1089 | static int | |
1090 | asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1091 | { | |
1092 | struct asc7621_data *data; | |
1093 | int i, err; | |
1094 | ||
1095 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1096 | return -EIO; | |
1097 | ||
35bb95a1 GR |
1098 | data = devm_kzalloc(&client->dev, sizeof(struct asc7621_data), |
1099 | GFP_KERNEL); | |
d58de038 GJ |
1100 | if (data == NULL) |
1101 | return -ENOMEM; | |
1102 | ||
1103 | i2c_set_clientdata(client, data); | |
d58de038 GJ |
1104 | mutex_init(&data->update_lock); |
1105 | ||
1106 | /* Initialize the asc7621 chip */ | |
1107 | asc7621_init_client(client); | |
1108 | ||
1109 | /* Create the sysfs entries */ | |
1110 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1111 | err = | |
1112 | device_create_file(&client->dev, | |
1113 | &(asc7621_params[i].sda.dev_attr)); | |
1114 | if (err) | |
1115 | goto exit_remove; | |
1116 | } | |
1117 | ||
1118 | data->class_dev = hwmon_device_register(&client->dev); | |
1119 | if (IS_ERR(data->class_dev)) { | |
1120 | err = PTR_ERR(data->class_dev); | |
1121 | goto exit_remove; | |
1122 | } | |
1123 | ||
1124 | return 0; | |
1125 | ||
1126 | exit_remove: | |
1127 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1128 | device_remove_file(&client->dev, | |
1129 | &(asc7621_params[i].sda.dev_attr)); | |
1130 | } | |
1131 | ||
d58de038 GJ |
1132 | return err; |
1133 | } | |
1134 | ||
1135 | static int asc7621_detect(struct i2c_client *client, | |
1136 | struct i2c_board_info *info) | |
1137 | { | |
1138 | struct i2c_adapter *adapter = client->adapter; | |
1139 | int company, verstep, chip_index; | |
d58de038 GJ |
1140 | |
1141 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1142 | return -ENODEV; | |
1143 | ||
1144 | for (chip_index = FIRST_CHIP; chip_index <= LAST_CHIP; chip_index++) { | |
1145 | ||
1146 | if (!valid_address_for_chip(chip_index, client->addr)) | |
1147 | continue; | |
1148 | ||
1149 | company = read_byte(client, | |
1150 | asc7621_chips[chip_index].company_reg); | |
1151 | verstep = read_byte(client, | |
1152 | asc7621_chips[chip_index].verstep_reg); | |
1153 | ||
1154 | if (company == asc7621_chips[chip_index].company_id && | |
1155 | verstep == asc7621_chips[chip_index].verstep_id) { | |
d58de038 GJ |
1156 | strlcpy(info->type, asc7621_chips[chip_index].name, |
1157 | I2C_NAME_SIZE); | |
1158 | ||
28cbd461 JD |
1159 | dev_info(&adapter->dev, "Matched %s at 0x%02x\n", |
1160 | asc7621_chips[chip_index].name, client->addr); | |
d58de038 GJ |
1161 | return 0; |
1162 | } | |
1163 | } | |
1164 | ||
1165 | return -ENODEV; | |
1166 | } | |
1167 | ||
1168 | static int asc7621_remove(struct i2c_client *client) | |
1169 | { | |
1170 | struct asc7621_data *data = i2c_get_clientdata(client); | |
1171 | int i; | |
1172 | ||
1173 | hwmon_device_unregister(data->class_dev); | |
1174 | ||
1175 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1176 | device_remove_file(&client->dev, | |
1177 | &(asc7621_params[i].sda.dev_attr)); | |
1178 | } | |
1179 | ||
d58de038 GJ |
1180 | return 0; |
1181 | } | |
1182 | ||
1183 | static const struct i2c_device_id asc7621_id[] = { | |
1184 | {"asc7621", asc7621}, | |
1185 | {"asc7621a", asc7621a}, | |
1186 | {}, | |
1187 | }; | |
1188 | ||
1189 | MODULE_DEVICE_TABLE(i2c, asc7621_id); | |
1190 | ||
1191 | static struct i2c_driver asc7621_driver = { | |
1192 | .class = I2C_CLASS_HWMON, | |
1193 | .driver = { | |
1194 | .name = "asc7621", | |
1195 | }, | |
1196 | .probe = asc7621_probe, | |
1197 | .remove = asc7621_remove, | |
1198 | .id_table = asc7621_id, | |
1199 | .detect = asc7621_detect, | |
1200 | .address_list = normal_i2c, | |
1201 | }; | |
1202 | ||
1203 | static int __init sm_asc7621_init(void) | |
1204 | { | |
1205 | int i, j; | |
1206 | /* | |
1207 | * Collect all the registers needed into a single array. | |
1208 | * This way, if a register isn't actually used for anything, | |
1209 | * we don't retrieve it. | |
1210 | */ | |
1211 | ||
1212 | for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { | |
1213 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].msb); j++) | |
1214 | asc7621_register_priorities[asc7621_params[i].msb[j]] = | |
1215 | asc7621_params[i].priority; | |
1216 | for (j = 0; j < ARRAY_SIZE(asc7621_params[i].lsb); j++) | |
1217 | asc7621_register_priorities[asc7621_params[i].lsb[j]] = | |
1218 | asc7621_params[i].priority; | |
1219 | } | |
1220 | return i2c_add_driver(&asc7621_driver); | |
1221 | } | |
1222 | ||
1223 | static void __exit sm_asc7621_exit(void) | |
1224 | { | |
1225 | i2c_del_driver(&asc7621_driver); | |
1226 | } | |
1227 | ||
1228 | MODULE_LICENSE("GPL"); | |
1229 | MODULE_AUTHOR("George Joseph"); | |
1230 | MODULE_DESCRIPTION("Andigilog aSC7621 and aSC7621a driver"); | |
1231 | ||
1232 | module_init(sm_asc7621_init); | |
1233 | module_exit(sm_asc7621_exit); |