1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware |
4 | * monitoring |
5 | * Copyright (C) 2004, 2005 Winbond Electronics Corp. |
6 | * Shane Huang, |
7 | * Rudolf Marek <r.marek@assembler.cz> |
8 | * |
9 | * Note: |
10 | * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. |
11 | * 2. This driver is only for Winbond W83792D C version device, there |
12 | * are also some motherboards with B version W83792D device. The |
13 | * calculation method to in6-in7(measured value, limits) is a little |
14 | * different between C and B version. C or B version can be identified |
15 | * by CR[0x49h]. |
16 | */ |
17 | |
18 | /* |
19 | * Supports following chips: |
20 | * |
21 | * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
22 | * w83792d 9 7 7 3 0x7a 0x5ca3 yes no |
23 | */ |
24 | |
25 | #include <linux/module.h> |
26 | #include <linux/init.h> |
27 | #include <linux/slab.h> |
28 | #include <linux/i2c.h> |
29 | #include <linux/hwmon.h> |
30 | #include <linux/hwmon-sysfs.h> |
31 | #include <linux/err.h> |
32 | #include <linux/mutex.h> |
33 | #include <linux/sysfs.h> |
34 | #include <linux/jiffies.h> |
35 | |
36 | /* Addresses to scan */ |
37 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, |
38 | I2C_CLIENT_END }; |
39 | |
40 | /* Insmod parameters */ |
41 | |
42 | static unsigned short force_subclients[4]; |
43 | module_param_array(force_subclients, short, NULL, 0); |
44 | MODULE_PARM_DESC(force_subclients, |
45 | "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}" ); |
46 | |
47 | static bool init; |
48 | module_param(init, bool, 0); |
49 | MODULE_PARM_DESC(init, "Set to one to force chip initialization" ); |
50 | |
51 | /* The W83792D registers */ |
52 | static const u8 W83792D_REG_IN[9] = { |
53 | 0x20, /* Vcore A in DataSheet */ |
54 | 0x21, /* Vcore B in DataSheet */ |
55 | 0x22, /* VIN0 in DataSheet */ |
56 | 0x23, /* VIN1 in DataSheet */ |
57 | 0x24, /* VIN2 in DataSheet */ |
58 | 0x25, /* VIN3 in DataSheet */ |
59 | 0x26, /* 5VCC in DataSheet */ |
60 | 0xB0, /* 5VSB in DataSheet */ |
61 | 0xB1 /* VBAT in DataSheet */ |
62 | }; |
63 | #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ |
64 | #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ |
65 | static const u8 W83792D_REG_IN_MAX[9] = { |
66 | 0x2B, /* Vcore A High Limit in DataSheet */ |
67 | 0x2D, /* Vcore B High Limit in DataSheet */ |
68 | 0x2F, /* VIN0 High Limit in DataSheet */ |
69 | 0x31, /* VIN1 High Limit in DataSheet */ |
70 | 0x33, /* VIN2 High Limit in DataSheet */ |
71 | 0x35, /* VIN3 High Limit in DataSheet */ |
72 | 0x37, /* 5VCC High Limit in DataSheet */ |
73 | 0xB4, /* 5VSB High Limit in DataSheet */ |
74 | 0xB6 /* VBAT High Limit in DataSheet */ |
75 | }; |
76 | static const u8 W83792D_REG_IN_MIN[9] = { |
77 | 0x2C, /* Vcore A Low Limit in DataSheet */ |
78 | 0x2E, /* Vcore B Low Limit in DataSheet */ |
79 | 0x30, /* VIN0 Low Limit in DataSheet */ |
80 | 0x32, /* VIN1 Low Limit in DataSheet */ |
81 | 0x34, /* VIN2 Low Limit in DataSheet */ |
82 | 0x36, /* VIN3 Low Limit in DataSheet */ |
83 | 0x38, /* 5VCC Low Limit in DataSheet */ |
84 | 0xB5, /* 5VSB Low Limit in DataSheet */ |
85 | 0xB7 /* VBAT Low Limit in DataSheet */ |
86 | }; |
87 | static const u8 W83792D_REG_FAN[7] = { |
88 | 0x28, /* FAN 1 Count in DataSheet */ |
89 | 0x29, /* FAN 2 Count in DataSheet */ |
90 | 0x2A, /* FAN 3 Count in DataSheet */ |
91 | 0xB8, /* FAN 4 Count in DataSheet */ |
92 | 0xB9, /* FAN 5 Count in DataSheet */ |
93 | 0xBA, /* FAN 6 Count in DataSheet */ |
94 | 0xBE /* FAN 7 Count in DataSheet */ |
95 | }; |
96 | static const u8 W83792D_REG_FAN_MIN[7] = { |
97 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ |
98 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ |
99 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ |
100 | 0xBB, /* FAN 4 Count Low Limit in DataSheet */ |
101 | 0xBC, /* FAN 5 Count Low Limit in DataSheet */ |
102 | 0xBD, /* FAN 6 Count Low Limit in DataSheet */ |
103 | 0xBF /* FAN 7 Count Low Limit in DataSheet */ |
104 | }; |
105 | #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ |
106 | static const u8 W83792D_REG_FAN_DIV[4] = { |
107 | 0x47, /* contains FAN2 and FAN1 Divisor */ |
108 | 0x5B, /* contains FAN4 and FAN3 Divisor */ |
109 | 0x5C, /* contains FAN6 and FAN5 Divisor */ |
110 | 0x9E /* contains FAN7 Divisor. */ |
111 | }; |
112 | static const u8 W83792D_REG_PWM[7] = { |
113 | 0x81, /* FAN 1 Duty Cycle, be used to control */ |
114 | 0x83, /* FAN 2 Duty Cycle, be used to control */ |
115 | 0x94, /* FAN 3 Duty Cycle, be used to control */ |
116 | 0xA3, /* FAN 4 Duty Cycle, be used to control */ |
117 | 0xA4, /* FAN 5 Duty Cycle, be used to control */ |
118 | 0xA5, /* FAN 6 Duty Cycle, be used to control */ |
119 | 0xA6 /* FAN 7 Duty Cycle, be used to control */ |
120 | }; |
121 | #define W83792D_REG_BANK 0x4E |
122 | #define W83792D_REG_TEMP2_CONFIG 0xC2 |
123 | #define W83792D_REG_TEMP3_CONFIG 0xCA |
124 | |
125 | static const u8 W83792D_REG_TEMP1[3] = { |
126 | 0x27, /* TEMP 1 in DataSheet */ |
127 | 0x39, /* TEMP 1 Over in DataSheet */ |
128 | 0x3A, /* TEMP 1 Hyst in DataSheet */ |
129 | }; |
130 | |
131 | static const u8 W83792D_REG_TEMP_ADD[2][6] = { |
132 | { 0xC0, /* TEMP 2 in DataSheet */ |
133 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ |
134 | 0xC5, /* TEMP 2 Over High part in DataSheet */ |
135 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ |
136 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ |
137 | 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ |
138 | { 0xC8, /* TEMP 3 in DataSheet */ |
139 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ |
140 | 0xCD, /* TEMP 3 Over High part in DataSheet */ |
141 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ |
142 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ |
143 | 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ |
144 | }; |
145 | |
146 | static const u8 W83792D_REG_THERMAL[3] = { |
147 | 0x85, /* SmartFanI: Fan1 target value */ |
148 | 0x86, /* SmartFanI: Fan2 target value */ |
149 | 0x96 /* SmartFanI: Fan3 target value */ |
150 | }; |
151 | |
152 | static const u8 W83792D_REG_TOLERANCE[3] = { |
153 | 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ |
154 | 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ |
155 | 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ |
156 | }; |
157 | |
158 | static const u8 W83792D_REG_POINTS[3][4] = { |
159 | { 0x85, /* SmartFanII: Fan1 temp point 1 */ |
160 | 0xE3, /* SmartFanII: Fan1 temp point 2 */ |
161 | 0xE4, /* SmartFanII: Fan1 temp point 3 */ |
162 | 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ |
163 | { 0x86, /* SmartFanII: Fan2 temp point 1 */ |
164 | 0xE6, /* SmartFanII: Fan2 temp point 2 */ |
165 | 0xE7, /* SmartFanII: Fan2 temp point 3 */ |
166 | 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ |
167 | { 0x96, /* SmartFanII: Fan3 temp point 1 */ |
168 | 0xE9, /* SmartFanII: Fan3 temp point 2 */ |
169 | 0xEA, /* SmartFanII: Fan3 temp point 3 */ |
170 | 0xEB } /* SmartFanII: Fan3 temp point 4 */ |
171 | }; |
172 | |
173 | static const u8 W83792D_REG_LEVELS[3][4] = { |
174 | { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ |
175 | 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ |
176 | 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ |
177 | 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ |
178 | { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ |
179 | 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ |
180 | 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ |
181 | 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ |
182 | { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ |
183 | 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ |
184 | 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ |
185 | 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ |
186 | }; |
187 | |
188 | #define W83792D_REG_GPIO_EN 0x1A |
189 | #define W83792D_REG_CONFIG 0x40 |
190 | #define W83792D_REG_VID_FANDIV 0x47 |
191 | #define W83792D_REG_CHIPID 0x49 |
192 | #define W83792D_REG_WCHIPID 0x58 |
193 | #define W83792D_REG_CHIPMAN 0x4F |
194 | #define W83792D_REG_PIN 0x4B |
195 | #define W83792D_REG_I2C_SUBADDR 0x4A |
196 | |
197 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ |
198 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ |
199 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ |
200 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ |
201 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ |
202 | |
203 | /* control in0/in1 's limit modifiability */ |
204 | #define W83792D_REG_VID_IN_B 0x17 |
205 | |
206 | #define W83792D_REG_VBAT 0x5D |
207 | #define W83792D_REG_I2C_ADDR 0x48 |
208 | |
209 | /* |
210 | * Conversions. Rounding and limit checking is only done on the TO_REG |
211 | * variants. Note that you should be a bit careful with which arguments |
212 | * these macros are called: arguments may be evaluated more than once. |
213 | * Fixing this is just not worth it. |
214 | */ |
215 | #define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \ |
216 | ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4))) |
217 | #define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \ |
218 | ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4))) |
219 | |
220 | static inline u8 |
221 | FAN_TO_REG(long rpm, int div) |
222 | { |
223 | if (rpm == 0) |
224 | return 255; |
225 | rpm = clamp_val(rpm, 1, 1000000); |
226 | return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); |
227 | } |
228 | |
229 | #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ |
230 | ((val) == 255 ? 0 : \ |
231 | 1350000 / ((val) * (div)))) |
232 | |
233 | /* for temp1 */ |
234 | #define TEMP1_TO_REG(val) (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 \ |
235 | : (val)) / 1000, 0, 0xff)) |
236 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) |
237 | /* for temp2 and temp3, because they need additional resolution */ |
238 | #define TEMP_ADD_FROM_REG(val1, val2) \ |
239 | ((((val1) & 0x80 ? (val1)-0x100 \ |
240 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) |
241 | #define TEMP_ADD_TO_REG_HIGH(val) \ |
242 | (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 : (val)) / 1000, 0, 0xff)) |
243 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) |
244 | |
245 | #define DIV_FROM_REG(val) (1 << (val)) |
246 | |
247 | static inline u8 |
248 | DIV_TO_REG(long val) |
249 | { |
250 | int i; |
251 | val = clamp_val(val, 1, 128) >> 1; |
252 | for (i = 0; i < 7; i++) { |
253 | if (val == 0) |
254 | break; |
255 | val >>= 1; |
256 | } |
257 | return (u8)i; |
258 | } |
259 | |
260 | struct w83792d_data { |
261 | struct device *hwmon_dev; |
262 | |
263 | struct mutex update_lock; |
264 | bool valid; /* true if following fields are valid */ |
265 | unsigned long last_updated; /* In jiffies */ |
266 | |
267 | u8 in[9]; /* Register value */ |
268 | u8 in_max[9]; /* Register value */ |
269 | u8 in_min[9]; /* Register value */ |
270 | u16 low_bits; /* Additional resolution to voltage in6-0 */ |
271 | u8 fan[7]; /* Register value */ |
272 | u8 fan_min[7]; /* Register value */ |
273 | u8 temp1[3]; /* current, over, thyst */ |
274 | u8 temp_add[2][6]; /* Register value */ |
275 | u8 fan_div[7]; /* Register encoding, shifted right */ |
276 | u8 pwm[7]; /* The 7 PWM outputs */ |
277 | u8 pwmenable[3]; |
278 | u32 alarms; /* realtime status register encoding,combined */ |
279 | u8 chassis; /* Chassis status */ |
280 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ |
281 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ |
282 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ |
283 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ |
284 | }; |
285 | |
286 | static int w83792d_probe(struct i2c_client *client); |
287 | static int w83792d_detect(struct i2c_client *client, |
288 | struct i2c_board_info *info); |
289 | static void w83792d_remove(struct i2c_client *client); |
290 | static struct w83792d_data *w83792d_update_device(struct device *dev); |
291 | |
292 | #ifdef DEBUG |
293 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); |
294 | #endif |
295 | |
296 | static void w83792d_init_client(struct i2c_client *client); |
297 | |
298 | static const struct i2c_device_id w83792d_id[] = { |
299 | { "w83792d" , 0 }, |
300 | { } |
301 | }; |
302 | MODULE_DEVICE_TABLE(i2c, w83792d_id); |
303 | |
304 | static struct i2c_driver w83792d_driver = { |
305 | .class = I2C_CLASS_HWMON, |
306 | .driver = { |
307 | .name = "w83792d" , |
308 | }, |
309 | .probe = w83792d_probe, |
310 | .remove = w83792d_remove, |
311 | .id_table = w83792d_id, |
312 | .detect = w83792d_detect, |
313 | .address_list = normal_i2c, |
314 | }; |
315 | |
316 | static inline long in_count_from_reg(int nr, struct w83792d_data *data) |
317 | { |
318 | /* in7 and in8 do not have low bits, but the formula still works */ |
319 | return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03); |
320 | } |
321 | |
322 | /* |
323 | * The SMBus locks itself. The Winbond W83792D chip has a bank register, |
324 | * but the driver only accesses registers in bank 0, so we don't have |
325 | * to switch banks and lock access between switches. |
326 | */ |
327 | static inline int w83792d_read_value(struct i2c_client *client, u8 reg) |
328 | { |
329 | return i2c_smbus_read_byte_data(client, command: reg); |
330 | } |
331 | |
332 | static inline int |
333 | w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) |
334 | { |
335 | return i2c_smbus_write_byte_data(client, command: reg, value); |
336 | } |
337 | |
338 | /* following are the sysfs callback functions */ |
339 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
340 | char *buf) |
341 | { |
342 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
343 | int nr = sensor_attr->index; |
344 | struct w83792d_data *data = w83792d_update_device(dev); |
345 | return sprintf(buf, fmt: "%ld\n" , |
346 | IN_FROM_REG(nr, in_count_from_reg(nr, data))); |
347 | } |
348 | |
349 | #define show_in_reg(reg) \ |
350 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
351 | char *buf) \ |
352 | { \ |
353 | struct sensor_device_attribute *sensor_attr \ |
354 | = to_sensor_dev_attr(attr); \ |
355 | int nr = sensor_attr->index; \ |
356 | struct w83792d_data *data = w83792d_update_device(dev); \ |
357 | return sprintf(buf, "%ld\n", \ |
358 | (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \ |
359 | } |
360 | |
361 | show_in_reg(in_min); |
362 | show_in_reg(in_max); |
363 | |
364 | #define store_in_reg(REG, reg) \ |
365 | static ssize_t store_in_##reg(struct device *dev, \ |
366 | struct device_attribute *attr, \ |
367 | const char *buf, size_t count) \ |
368 | { \ |
369 | struct sensor_device_attribute *sensor_attr \ |
370 | = to_sensor_dev_attr(attr); \ |
371 | int nr = sensor_attr->index; \ |
372 | struct i2c_client *client = to_i2c_client(dev); \ |
373 | struct w83792d_data *data = i2c_get_clientdata(client); \ |
374 | unsigned long val; \ |
375 | int err = kstrtoul(buf, 10, &val); \ |
376 | if (err) \ |
377 | return err; \ |
378 | mutex_lock(&data->update_lock); \ |
379 | data->in_##reg[nr] = clamp_val(IN_TO_REG(nr, val) / 4, 0, 255); \ |
380 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \ |
381 | data->in_##reg[nr]); \ |
382 | mutex_unlock(&data->update_lock); \ |
383 | \ |
384 | return count; \ |
385 | } |
386 | store_in_reg(MIN, min); |
387 | store_in_reg(MAX, max); |
388 | |
389 | #define show_fan_reg(reg) \ |
390 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
391 | char *buf) \ |
392 | { \ |
393 | struct sensor_device_attribute *sensor_attr \ |
394 | = to_sensor_dev_attr(attr); \ |
395 | int nr = sensor_attr->index - 1; \ |
396 | struct w83792d_data *data = w83792d_update_device(dev); \ |
397 | return sprintf(buf, "%d\n", \ |
398 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ |
399 | } |
400 | |
401 | show_fan_reg(fan); |
402 | show_fan_reg(fan_min); |
403 | |
404 | static ssize_t |
405 | store_fan_min(struct device *dev, struct device_attribute *attr, |
406 | const char *buf, size_t count) |
407 | { |
408 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
409 | int nr = sensor_attr->index - 1; |
410 | struct i2c_client *client = to_i2c_client(dev); |
411 | struct w83792d_data *data = i2c_get_clientdata(client); |
412 | unsigned long val; |
413 | int err; |
414 | |
415 | err = kstrtoul(s: buf, base: 10, res: &val); |
416 | if (err) |
417 | return err; |
418 | |
419 | mutex_lock(&data->update_lock); |
420 | data->fan_min[nr] = FAN_TO_REG(rpm: val, DIV_FROM_REG(data->fan_div[nr])); |
421 | w83792d_write_value(client, reg: W83792D_REG_FAN_MIN[nr], |
422 | value: data->fan_min[nr]); |
423 | mutex_unlock(lock: &data->update_lock); |
424 | |
425 | return count; |
426 | } |
427 | |
428 | static ssize_t |
429 | show_fan_div(struct device *dev, struct device_attribute *attr, |
430 | char *buf) |
431 | { |
432 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
433 | int nr = sensor_attr->index; |
434 | struct w83792d_data *data = w83792d_update_device(dev); |
435 | return sprintf(buf, fmt: "%u\n" , DIV_FROM_REG(data->fan_div[nr - 1])); |
436 | } |
437 | |
438 | /* |
439 | * Note: we save and restore the fan minimum here, because its value is |
440 | * determined in part by the fan divisor. This follows the principle of |
441 | * least surprise; the user doesn't expect the fan minimum to change just |
442 | * because the divisor changed. |
443 | */ |
444 | static ssize_t |
445 | store_fan_div(struct device *dev, struct device_attribute *attr, |
446 | const char *buf, size_t count) |
447 | { |
448 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
449 | int nr = sensor_attr->index - 1; |
450 | struct i2c_client *client = to_i2c_client(dev); |
451 | struct w83792d_data *data = i2c_get_clientdata(client); |
452 | unsigned long min; |
453 | /*u8 reg;*/ |
454 | u8 fan_div_reg = 0; |
455 | u8 tmp_fan_div; |
456 | unsigned long val; |
457 | int err; |
458 | |
459 | err = kstrtoul(s: buf, base: 10, res: &val); |
460 | if (err) |
461 | return err; |
462 | |
463 | /* Save fan_min */ |
464 | mutex_lock(&data->update_lock); |
465 | min = FAN_FROM_REG(data->fan_min[nr], |
466 | DIV_FROM_REG(data->fan_div[nr])); |
467 | |
468 | data->fan_div[nr] = DIV_TO_REG(val); |
469 | |
470 | fan_div_reg = w83792d_read_value(client, reg: W83792D_REG_FAN_DIV[nr >> 1]); |
471 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; |
472 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) |
473 | : ((data->fan_div[nr]) & 0x07); |
474 | w83792d_write_value(client, reg: W83792D_REG_FAN_DIV[nr >> 1], |
475 | value: fan_div_reg | tmp_fan_div); |
476 | |
477 | /* Restore fan_min */ |
478 | data->fan_min[nr] = FAN_TO_REG(rpm: min, DIV_FROM_REG(data->fan_div[nr])); |
479 | w83792d_write_value(client, reg: W83792D_REG_FAN_MIN[nr], value: data->fan_min[nr]); |
480 | mutex_unlock(lock: &data->update_lock); |
481 | |
482 | return count; |
483 | } |
484 | |
485 | /* read/write the temperature1, includes measured value and limits */ |
486 | |
487 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, |
488 | char *buf) |
489 | { |
490 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
491 | int nr = sensor_attr->index; |
492 | struct w83792d_data *data = w83792d_update_device(dev); |
493 | return sprintf(buf, fmt: "%d\n" , TEMP1_FROM_REG(data->temp1[nr])); |
494 | } |
495 | |
496 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, |
497 | const char *buf, size_t count) |
498 | { |
499 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
500 | int nr = sensor_attr->index; |
501 | struct i2c_client *client = to_i2c_client(dev); |
502 | struct w83792d_data *data = i2c_get_clientdata(client); |
503 | long val; |
504 | int err; |
505 | |
506 | err = kstrtol(s: buf, base: 10, res: &val); |
507 | if (err) |
508 | return err; |
509 | |
510 | mutex_lock(&data->update_lock); |
511 | data->temp1[nr] = TEMP1_TO_REG(val); |
512 | w83792d_write_value(client, reg: W83792D_REG_TEMP1[nr], |
513 | value: data->temp1[nr]); |
514 | mutex_unlock(lock: &data->update_lock); |
515 | |
516 | return count; |
517 | } |
518 | |
519 | /* read/write the temperature2-3, includes measured value and limits */ |
520 | |
521 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, |
522 | char *buf) |
523 | { |
524 | struct sensor_device_attribute_2 *sensor_attr |
525 | = to_sensor_dev_attr_2(attr); |
526 | int nr = sensor_attr->nr; |
527 | int index = sensor_attr->index; |
528 | struct w83792d_data *data = w83792d_update_device(dev); |
529 | return sprintf(buf, fmt: "%ld\n" , |
530 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], |
531 | data->temp_add[nr][index+1])); |
532 | } |
533 | |
534 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, |
535 | const char *buf, size_t count) |
536 | { |
537 | struct sensor_device_attribute_2 *sensor_attr |
538 | = to_sensor_dev_attr_2(attr); |
539 | int nr = sensor_attr->nr; |
540 | int index = sensor_attr->index; |
541 | struct i2c_client *client = to_i2c_client(dev); |
542 | struct w83792d_data *data = i2c_get_clientdata(client); |
543 | long val; |
544 | int err; |
545 | |
546 | err = kstrtol(s: buf, base: 10, res: &val); |
547 | if (err) |
548 | return err; |
549 | |
550 | mutex_lock(&data->update_lock); |
551 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); |
552 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); |
553 | w83792d_write_value(client, reg: W83792D_REG_TEMP_ADD[nr][index], |
554 | value: data->temp_add[nr][index]); |
555 | w83792d_write_value(client, reg: W83792D_REG_TEMP_ADD[nr][index+1], |
556 | value: data->temp_add[nr][index+1]); |
557 | mutex_unlock(lock: &data->update_lock); |
558 | |
559 | return count; |
560 | } |
561 | |
562 | /* get realtime status of all sensors items: voltage, temp, fan */ |
563 | static ssize_t |
564 | alarms_show(struct device *dev, struct device_attribute *attr, char *buf) |
565 | { |
566 | struct w83792d_data *data = w83792d_update_device(dev); |
567 | return sprintf(buf, fmt: "%d\n" , data->alarms); |
568 | } |
569 | |
570 | static ssize_t show_alarm(struct device *dev, |
571 | struct device_attribute *attr, char *buf) |
572 | { |
573 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
574 | int nr = sensor_attr->index; |
575 | struct w83792d_data *data = w83792d_update_device(dev); |
576 | return sprintf(buf, fmt: "%d\n" , (data->alarms >> nr) & 1); |
577 | } |
578 | |
579 | static ssize_t |
580 | show_pwm(struct device *dev, struct device_attribute *attr, |
581 | char *buf) |
582 | { |
583 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
584 | int nr = sensor_attr->index; |
585 | struct w83792d_data *data = w83792d_update_device(dev); |
586 | return sprintf(buf, fmt: "%d\n" , (data->pwm[nr] & 0x0f) << 4); |
587 | } |
588 | |
589 | static ssize_t |
590 | show_pwmenable(struct device *dev, struct device_attribute *attr, |
591 | char *buf) |
592 | { |
593 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
594 | int nr = sensor_attr->index - 1; |
595 | struct w83792d_data *data = w83792d_update_device(dev); |
596 | long pwm_enable_tmp = 1; |
597 | |
598 | switch (data->pwmenable[nr]) { |
599 | case 0: |
600 | pwm_enable_tmp = 1; /* manual mode */ |
601 | break; |
602 | case 1: |
603 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ |
604 | break; |
605 | case 2: |
606 | pwm_enable_tmp = 2; /* Smart Fan II */ |
607 | break; |
608 | } |
609 | |
610 | return sprintf(buf, fmt: "%ld\n" , pwm_enable_tmp); |
611 | } |
612 | |
613 | static ssize_t |
614 | store_pwm(struct device *dev, struct device_attribute *attr, |
615 | const char *buf, size_t count) |
616 | { |
617 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
618 | int nr = sensor_attr->index; |
619 | struct i2c_client *client = to_i2c_client(dev); |
620 | struct w83792d_data *data = i2c_get_clientdata(client); |
621 | unsigned long val; |
622 | int err; |
623 | |
624 | err = kstrtoul(s: buf, base: 10, res: &val); |
625 | if (err) |
626 | return err; |
627 | val = clamp_val(val, 0, 255) >> 4; |
628 | |
629 | mutex_lock(&data->update_lock); |
630 | val |= w83792d_read_value(client, reg: W83792D_REG_PWM[nr]) & 0xf0; |
631 | data->pwm[nr] = val; |
632 | w83792d_write_value(client, reg: W83792D_REG_PWM[nr], value: data->pwm[nr]); |
633 | mutex_unlock(lock: &data->update_lock); |
634 | |
635 | return count; |
636 | } |
637 | |
638 | static ssize_t |
639 | store_pwmenable(struct device *dev, struct device_attribute *attr, |
640 | const char *buf, size_t count) |
641 | { |
642 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
643 | int nr = sensor_attr->index - 1; |
644 | struct i2c_client *client = to_i2c_client(dev); |
645 | struct w83792d_data *data = i2c_get_clientdata(client); |
646 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; |
647 | unsigned long val; |
648 | int err; |
649 | |
650 | err = kstrtoul(s: buf, base: 10, res: &val); |
651 | if (err) |
652 | return err; |
653 | |
654 | if (val < 1 || val > 3) |
655 | return -EINVAL; |
656 | |
657 | mutex_lock(&data->update_lock); |
658 | switch (val) { |
659 | case 1: |
660 | data->pwmenable[nr] = 0; /* manual mode */ |
661 | break; |
662 | case 2: |
663 | data->pwmenable[nr] = 2; /* Smart Fan II */ |
664 | break; |
665 | case 3: |
666 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ |
667 | break; |
668 | } |
669 | cfg1_tmp = data->pwmenable[0]; |
670 | cfg2_tmp = (data->pwmenable[1]) << 2; |
671 | cfg3_tmp = (data->pwmenable[2]) << 4; |
672 | cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0; |
673 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; |
674 | w83792d_write_value(client, W83792D_REG_FAN_CFG, value: fan_cfg_tmp); |
675 | mutex_unlock(lock: &data->update_lock); |
676 | |
677 | return count; |
678 | } |
679 | |
680 | static ssize_t |
681 | show_pwm_mode(struct device *dev, struct device_attribute *attr, |
682 | char *buf) |
683 | { |
684 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
685 | int nr = sensor_attr->index; |
686 | struct w83792d_data *data = w83792d_update_device(dev); |
687 | return sprintf(buf, fmt: "%d\n" , data->pwm[nr] >> 7); |
688 | } |
689 | |
690 | static ssize_t |
691 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
692 | const char *buf, size_t count) |
693 | { |
694 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
695 | int nr = sensor_attr->index; |
696 | struct i2c_client *client = to_i2c_client(dev); |
697 | struct w83792d_data *data = i2c_get_clientdata(client); |
698 | unsigned long val; |
699 | int err; |
700 | |
701 | err = kstrtoul(s: buf, base: 10, res: &val); |
702 | if (err) |
703 | return err; |
704 | if (val > 1) |
705 | return -EINVAL; |
706 | |
707 | mutex_lock(&data->update_lock); |
708 | data->pwm[nr] = w83792d_read_value(client, reg: W83792D_REG_PWM[nr]); |
709 | if (val) { /* PWM mode */ |
710 | data->pwm[nr] |= 0x80; |
711 | } else { /* DC mode */ |
712 | data->pwm[nr] &= 0x7f; |
713 | } |
714 | w83792d_write_value(client, reg: W83792D_REG_PWM[nr], value: data->pwm[nr]); |
715 | mutex_unlock(lock: &data->update_lock); |
716 | |
717 | return count; |
718 | } |
719 | |
720 | static ssize_t |
721 | intrusion0_alarm_show(struct device *dev, struct device_attribute *attr, |
722 | char *buf) |
723 | { |
724 | struct w83792d_data *data = w83792d_update_device(dev); |
725 | return sprintf(buf, fmt: "%d\n" , data->chassis); |
726 | } |
727 | |
728 | static ssize_t |
729 | intrusion0_alarm_store(struct device *dev, struct device_attribute *attr, |
730 | const char *buf, size_t count) |
731 | { |
732 | struct i2c_client *client = to_i2c_client(dev); |
733 | struct w83792d_data *data = i2c_get_clientdata(client); |
734 | unsigned long val; |
735 | u8 reg; |
736 | |
737 | if (kstrtoul(s: buf, base: 10, res: &val) || val != 0) |
738 | return -EINVAL; |
739 | |
740 | mutex_lock(&data->update_lock); |
741 | reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR); |
742 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, value: reg | 0x80); |
743 | data->valid = false; /* Force cache refresh */ |
744 | mutex_unlock(lock: &data->update_lock); |
745 | |
746 | return count; |
747 | } |
748 | |
749 | /* For Smart Fan I / Thermal Cruise */ |
750 | static ssize_t |
751 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, |
752 | char *buf) |
753 | { |
754 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
755 | int nr = sensor_attr->index; |
756 | struct w83792d_data *data = w83792d_update_device(dev); |
757 | return sprintf(buf, fmt: "%ld\n" , (long)data->thermal_cruise[nr-1]); |
758 | } |
759 | |
760 | static ssize_t |
761 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, |
762 | const char *buf, size_t count) |
763 | { |
764 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
765 | int nr = sensor_attr->index - 1; |
766 | struct i2c_client *client = to_i2c_client(dev); |
767 | struct w83792d_data *data = i2c_get_clientdata(client); |
768 | u8 target_tmp = 0, target_mask = 0; |
769 | unsigned long val; |
770 | int err; |
771 | |
772 | err = kstrtoul(s: buf, base: 10, res: &val); |
773 | if (err) |
774 | return err; |
775 | |
776 | target_tmp = val; |
777 | target_tmp = target_tmp & 0x7f; |
778 | mutex_lock(&data->update_lock); |
779 | target_mask = w83792d_read_value(client, |
780 | reg: W83792D_REG_THERMAL[nr]) & 0x80; |
781 | data->thermal_cruise[nr] = clamp_val(target_tmp, 0, 255); |
782 | w83792d_write_value(client, reg: W83792D_REG_THERMAL[nr], |
783 | value: (data->thermal_cruise[nr]) | target_mask); |
784 | mutex_unlock(lock: &data->update_lock); |
785 | |
786 | return count; |
787 | } |
788 | |
789 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ |
790 | static ssize_t |
791 | show_tolerance(struct device *dev, struct device_attribute *attr, |
792 | char *buf) |
793 | { |
794 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
795 | int nr = sensor_attr->index; |
796 | struct w83792d_data *data = w83792d_update_device(dev); |
797 | return sprintf(buf, fmt: "%ld\n" , (long)data->tolerance[nr-1]); |
798 | } |
799 | |
800 | static ssize_t |
801 | store_tolerance(struct device *dev, struct device_attribute *attr, |
802 | const char *buf, size_t count) |
803 | { |
804 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
805 | int nr = sensor_attr->index - 1; |
806 | struct i2c_client *client = to_i2c_client(dev); |
807 | struct w83792d_data *data = i2c_get_clientdata(client); |
808 | u8 tol_tmp, tol_mask; |
809 | unsigned long val; |
810 | int err; |
811 | |
812 | err = kstrtoul(s: buf, base: 10, res: &val); |
813 | if (err) |
814 | return err; |
815 | |
816 | mutex_lock(&data->update_lock); |
817 | tol_mask = w83792d_read_value(client, |
818 | reg: W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); |
819 | tol_tmp = clamp_val(val, 0, 15); |
820 | tol_tmp &= 0x0f; |
821 | data->tolerance[nr] = tol_tmp; |
822 | if (nr == 1) |
823 | tol_tmp <<= 4; |
824 | w83792d_write_value(client, reg: W83792D_REG_TOLERANCE[nr], |
825 | value: tol_mask | tol_tmp); |
826 | mutex_unlock(lock: &data->update_lock); |
827 | |
828 | return count; |
829 | } |
830 | |
831 | /* For Smart Fan II */ |
832 | static ssize_t |
833 | show_sf2_point(struct device *dev, struct device_attribute *attr, |
834 | char *buf) |
835 | { |
836 | struct sensor_device_attribute_2 *sensor_attr |
837 | = to_sensor_dev_attr_2(attr); |
838 | int nr = sensor_attr->nr; |
839 | int index = sensor_attr->index; |
840 | struct w83792d_data *data = w83792d_update_device(dev); |
841 | return sprintf(buf, fmt: "%ld\n" , (long)data->sf2_points[index-1][nr-1]); |
842 | } |
843 | |
844 | static ssize_t |
845 | store_sf2_point(struct device *dev, struct device_attribute *attr, |
846 | const char *buf, size_t count) |
847 | { |
848 | struct sensor_device_attribute_2 *sensor_attr |
849 | = to_sensor_dev_attr_2(attr); |
850 | int nr = sensor_attr->nr - 1; |
851 | int index = sensor_attr->index - 1; |
852 | struct i2c_client *client = to_i2c_client(dev); |
853 | struct w83792d_data *data = i2c_get_clientdata(client); |
854 | u8 mask_tmp = 0; |
855 | unsigned long val; |
856 | int err; |
857 | |
858 | err = kstrtoul(s: buf, base: 10, res: &val); |
859 | if (err) |
860 | return err; |
861 | |
862 | mutex_lock(&data->update_lock); |
863 | data->sf2_points[index][nr] = clamp_val(val, 0, 127); |
864 | mask_tmp = w83792d_read_value(client, |
865 | reg: W83792D_REG_POINTS[index][nr]) & 0x80; |
866 | w83792d_write_value(client, reg: W83792D_REG_POINTS[index][nr], |
867 | value: mask_tmp|data->sf2_points[index][nr]); |
868 | mutex_unlock(lock: &data->update_lock); |
869 | |
870 | return count; |
871 | } |
872 | |
873 | static ssize_t |
874 | show_sf2_level(struct device *dev, struct device_attribute *attr, |
875 | char *buf) |
876 | { |
877 | struct sensor_device_attribute_2 *sensor_attr |
878 | = to_sensor_dev_attr_2(attr); |
879 | int nr = sensor_attr->nr; |
880 | int index = sensor_attr->index; |
881 | struct w83792d_data *data = w83792d_update_device(dev); |
882 | return sprintf(buf, fmt: "%d\n" , |
883 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); |
884 | } |
885 | |
886 | static ssize_t |
887 | store_sf2_level(struct device *dev, struct device_attribute *attr, |
888 | const char *buf, size_t count) |
889 | { |
890 | struct sensor_device_attribute_2 *sensor_attr |
891 | = to_sensor_dev_attr_2(attr); |
892 | int nr = sensor_attr->nr; |
893 | int index = sensor_attr->index - 1; |
894 | struct i2c_client *client = to_i2c_client(dev); |
895 | struct w83792d_data *data = i2c_get_clientdata(client); |
896 | u8 mask_tmp = 0, level_tmp = 0; |
897 | unsigned long val; |
898 | int err; |
899 | |
900 | err = kstrtoul(s: buf, base: 10, res: &val); |
901 | if (err) |
902 | return err; |
903 | |
904 | mutex_lock(&data->update_lock); |
905 | data->sf2_levels[index][nr] = clamp_val((val * 15) / 100, 0, 15); |
906 | mask_tmp = w83792d_read_value(client, reg: W83792D_REG_LEVELS[index][nr]) |
907 | & ((nr == 3) ? 0xf0 : 0x0f); |
908 | if (nr == 3) |
909 | level_tmp = data->sf2_levels[index][nr]; |
910 | else |
911 | level_tmp = data->sf2_levels[index][nr] << 4; |
912 | w83792d_write_value(client, reg: W83792D_REG_LEVELS[index][nr], |
913 | value: level_tmp | mask_tmp); |
914 | mutex_unlock(lock: &data->update_lock); |
915 | |
916 | return count; |
917 | } |
918 | |
919 | |
920 | static int |
921 | w83792d_detect_subclients(struct i2c_client *new_client) |
922 | { |
923 | int i, id; |
924 | int address = new_client->addr; |
925 | u8 val; |
926 | struct i2c_adapter *adapter = new_client->adapter; |
927 | |
928 | id = i2c_adapter_id(adap: adapter); |
929 | if (force_subclients[0] == id && force_subclients[1] == address) { |
930 | for (i = 2; i <= 3; i++) { |
931 | if (force_subclients[i] < 0x48 || |
932 | force_subclients[i] > 0x4f) { |
933 | dev_err(&new_client->dev, |
934 | "invalid subclient address %d; must be 0x48-0x4f\n" , |
935 | force_subclients[i]); |
936 | return -ENODEV; |
937 | } |
938 | } |
939 | w83792d_write_value(client: new_client, W83792D_REG_I2C_SUBADDR, |
940 | value: (force_subclients[2] & 0x07) | |
941 | ((force_subclients[3] & 0x07) << 4)); |
942 | } |
943 | |
944 | val = w83792d_read_value(client: new_client, W83792D_REG_I2C_SUBADDR); |
945 | |
946 | if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { |
947 | dev_err(&new_client->dev, |
948 | "duplicate addresses 0x%x, use force_subclient\n" , 0x48 + (val & 0x7)); |
949 | return -ENODEV; |
950 | } |
951 | |
952 | if (!(val & 0x08)) |
953 | devm_i2c_new_dummy_device(dev: &new_client->dev, adap: adapter, address: 0x48 + (val & 0x7)); |
954 | |
955 | if (!(val & 0x80)) |
956 | devm_i2c_new_dummy_device(dev: &new_client->dev, adap: adapter, address: 0x48 + ((val >> 4) & 0x7)); |
957 | |
958 | return 0; |
959 | } |
960 | |
961 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); |
962 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); |
963 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); |
964 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); |
965 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); |
966 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); |
967 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); |
968 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); |
969 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); |
970 | static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, |
971 | show_in_min, store_in_min, 0); |
972 | static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, |
973 | show_in_min, store_in_min, 1); |
974 | static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, |
975 | show_in_min, store_in_min, 2); |
976 | static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, |
977 | show_in_min, store_in_min, 3); |
978 | static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, |
979 | show_in_min, store_in_min, 4); |
980 | static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, |
981 | show_in_min, store_in_min, 5); |
982 | static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, |
983 | show_in_min, store_in_min, 6); |
984 | static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, |
985 | show_in_min, store_in_min, 7); |
986 | static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, |
987 | show_in_min, store_in_min, 8); |
988 | static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, |
989 | show_in_max, store_in_max, 0); |
990 | static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, |
991 | show_in_max, store_in_max, 1); |
992 | static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, |
993 | show_in_max, store_in_max, 2); |
994 | static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, |
995 | show_in_max, store_in_max, 3); |
996 | static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, |
997 | show_in_max, store_in_max, 4); |
998 | static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, |
999 | show_in_max, store_in_max, 5); |
1000 | static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, |
1001 | show_in_max, store_in_max, 6); |
1002 | static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, |
1003 | show_in_max, store_in_max, 7); |
1004 | static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, |
1005 | show_in_max, store_in_max, 8); |
1006 | static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0); |
1007 | static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0); |
1008 | static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0); |
1009 | static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, |
1010 | show_temp1, store_temp1, 0, 1); |
1011 | static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, |
1012 | store_temp23, 0, 2); |
1013 | static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, |
1014 | store_temp23, 1, 2); |
1015 | static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, |
1016 | show_temp1, store_temp1, 0, 2); |
1017 | static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, |
1018 | show_temp23, store_temp23, 0, 4); |
1019 | static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, |
1020 | show_temp23, store_temp23, 1, 4); |
1021 | static DEVICE_ATTR_RO(alarms); |
1022 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); |
1023 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); |
1024 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2); |
1025 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3); |
1026 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4); |
1027 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5); |
1028 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6); |
1029 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7); |
1030 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8); |
1031 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9); |
1032 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10); |
1033 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11); |
1034 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12); |
1035 | static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15); |
1036 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19); |
1037 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20); |
1038 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21); |
1039 | static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22); |
1040 | static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23); |
1041 | static DEVICE_ATTR_RW(intrusion0_alarm); |
1042 | static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); |
1043 | static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); |
1044 | static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2); |
1045 | static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3); |
1046 | static SENSOR_DEVICE_ATTR(pwm5, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4); |
1047 | static SENSOR_DEVICE_ATTR(pwm6, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 5); |
1048 | static SENSOR_DEVICE_ATTR(pwm7, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 6); |
1049 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, |
1050 | show_pwmenable, store_pwmenable, 1); |
1051 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, |
1052 | show_pwmenable, store_pwmenable, 2); |
1053 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, |
1054 | show_pwmenable, store_pwmenable, 3); |
1055 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, |
1056 | show_pwm_mode, store_pwm_mode, 0); |
1057 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, |
1058 | show_pwm_mode, store_pwm_mode, 1); |
1059 | static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, |
1060 | show_pwm_mode, store_pwm_mode, 2); |
1061 | static SENSOR_DEVICE_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, |
1062 | show_pwm_mode, store_pwm_mode, 3); |
1063 | static SENSOR_DEVICE_ATTR(pwm5_mode, S_IWUSR | S_IRUGO, |
1064 | show_pwm_mode, store_pwm_mode, 4); |
1065 | static SENSOR_DEVICE_ATTR(pwm6_mode, S_IWUSR | S_IRUGO, |
1066 | show_pwm_mode, store_pwm_mode, 5); |
1067 | static SENSOR_DEVICE_ATTR(pwm7_mode, S_IWUSR | S_IRUGO, |
1068 | show_pwm_mode, store_pwm_mode, 6); |
1069 | static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO, |
1070 | show_tolerance, store_tolerance, 1); |
1071 | static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO, |
1072 | show_tolerance, store_tolerance, 2); |
1073 | static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO, |
1074 | show_tolerance, store_tolerance, 3); |
1075 | static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, |
1076 | show_thermal_cruise, store_thermal_cruise, 1); |
1077 | static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, |
1078 | show_thermal_cruise, store_thermal_cruise, 2); |
1079 | static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, |
1080 | show_thermal_cruise, store_thermal_cruise, 3); |
1081 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, |
1082 | show_sf2_point, store_sf2_point, 1, 1); |
1083 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, |
1084 | show_sf2_point, store_sf2_point, 2, 1); |
1085 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, |
1086 | show_sf2_point, store_sf2_point, 3, 1); |
1087 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, |
1088 | show_sf2_point, store_sf2_point, 4, 1); |
1089 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, |
1090 | show_sf2_point, store_sf2_point, 1, 2); |
1091 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, |
1092 | show_sf2_point, store_sf2_point, 2, 2); |
1093 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, |
1094 | show_sf2_point, store_sf2_point, 3, 2); |
1095 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, |
1096 | show_sf2_point, store_sf2_point, 4, 2); |
1097 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, |
1098 | show_sf2_point, store_sf2_point, 1, 3); |
1099 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, |
1100 | show_sf2_point, store_sf2_point, 2, 3); |
1101 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, |
1102 | show_sf2_point, store_sf2_point, 3, 3); |
1103 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, |
1104 | show_sf2_point, store_sf2_point, 4, 3); |
1105 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, |
1106 | show_sf2_level, store_sf2_level, 1, 1); |
1107 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, |
1108 | show_sf2_level, store_sf2_level, 2, 1); |
1109 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, |
1110 | show_sf2_level, store_sf2_level, 3, 1); |
1111 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, |
1112 | show_sf2_level, store_sf2_level, 1, 2); |
1113 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, |
1114 | show_sf2_level, store_sf2_level, 2, 2); |
1115 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, |
1116 | show_sf2_level, store_sf2_level, 3, 2); |
1117 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, |
1118 | show_sf2_level, store_sf2_level, 1, 3); |
1119 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, |
1120 | show_sf2_level, store_sf2_level, 2, 3); |
1121 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, |
1122 | show_sf2_level, store_sf2_level, 3, 3); |
1123 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1); |
1124 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2); |
1125 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3); |
1126 | static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4); |
1127 | static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5); |
1128 | static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6); |
1129 | static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7); |
1130 | static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, |
1131 | show_fan_min, store_fan_min, 1); |
1132 | static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, |
1133 | show_fan_min, store_fan_min, 2); |
1134 | static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, |
1135 | show_fan_min, store_fan_min, 3); |
1136 | static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, |
1137 | show_fan_min, store_fan_min, 4); |
1138 | static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, |
1139 | show_fan_min, store_fan_min, 5); |
1140 | static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, |
1141 | show_fan_min, store_fan_min, 6); |
1142 | static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, |
1143 | show_fan_min, store_fan_min, 7); |
1144 | static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, |
1145 | show_fan_div, store_fan_div, 1); |
1146 | static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, |
1147 | show_fan_div, store_fan_div, 2); |
1148 | static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO, |
1149 | show_fan_div, store_fan_div, 3); |
1150 | static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO, |
1151 | show_fan_div, store_fan_div, 4); |
1152 | static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO, |
1153 | show_fan_div, store_fan_div, 5); |
1154 | static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO, |
1155 | show_fan_div, store_fan_div, 6); |
1156 | static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO, |
1157 | show_fan_div, store_fan_div, 7); |
1158 | |
1159 | static struct attribute *w83792d_attributes_fan[4][7] = { |
1160 | { |
1161 | &sensor_dev_attr_fan4_input.dev_attr.attr, |
1162 | &sensor_dev_attr_fan4_min.dev_attr.attr, |
1163 | &sensor_dev_attr_fan4_div.dev_attr.attr, |
1164 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, |
1165 | &sensor_dev_attr_pwm4.dev_attr.attr, |
1166 | &sensor_dev_attr_pwm4_mode.dev_attr.attr, |
1167 | NULL |
1168 | }, { |
1169 | &sensor_dev_attr_fan5_input.dev_attr.attr, |
1170 | &sensor_dev_attr_fan5_min.dev_attr.attr, |
1171 | &sensor_dev_attr_fan5_div.dev_attr.attr, |
1172 | &sensor_dev_attr_fan5_alarm.dev_attr.attr, |
1173 | &sensor_dev_attr_pwm5.dev_attr.attr, |
1174 | &sensor_dev_attr_pwm5_mode.dev_attr.attr, |
1175 | NULL |
1176 | }, { |
1177 | &sensor_dev_attr_fan6_input.dev_attr.attr, |
1178 | &sensor_dev_attr_fan6_min.dev_attr.attr, |
1179 | &sensor_dev_attr_fan6_div.dev_attr.attr, |
1180 | &sensor_dev_attr_fan6_alarm.dev_attr.attr, |
1181 | &sensor_dev_attr_pwm6.dev_attr.attr, |
1182 | &sensor_dev_attr_pwm6_mode.dev_attr.attr, |
1183 | NULL |
1184 | }, { |
1185 | &sensor_dev_attr_fan7_input.dev_attr.attr, |
1186 | &sensor_dev_attr_fan7_min.dev_attr.attr, |
1187 | &sensor_dev_attr_fan7_div.dev_attr.attr, |
1188 | &sensor_dev_attr_fan7_alarm.dev_attr.attr, |
1189 | &sensor_dev_attr_pwm7.dev_attr.attr, |
1190 | &sensor_dev_attr_pwm7_mode.dev_attr.attr, |
1191 | NULL |
1192 | } |
1193 | }; |
1194 | |
1195 | static const struct attribute_group w83792d_group_fan[4] = { |
1196 | { .attrs = w83792d_attributes_fan[0] }, |
1197 | { .attrs = w83792d_attributes_fan[1] }, |
1198 | { .attrs = w83792d_attributes_fan[2] }, |
1199 | { .attrs = w83792d_attributes_fan[3] }, |
1200 | }; |
1201 | |
1202 | static struct attribute *w83792d_attributes[] = { |
1203 | &sensor_dev_attr_in0_input.dev_attr.attr, |
1204 | &sensor_dev_attr_in0_max.dev_attr.attr, |
1205 | &sensor_dev_attr_in0_min.dev_attr.attr, |
1206 | &sensor_dev_attr_in1_input.dev_attr.attr, |
1207 | &sensor_dev_attr_in1_max.dev_attr.attr, |
1208 | &sensor_dev_attr_in1_min.dev_attr.attr, |
1209 | &sensor_dev_attr_in2_input.dev_attr.attr, |
1210 | &sensor_dev_attr_in2_max.dev_attr.attr, |
1211 | &sensor_dev_attr_in2_min.dev_attr.attr, |
1212 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1213 | &sensor_dev_attr_in3_max.dev_attr.attr, |
1214 | &sensor_dev_attr_in3_min.dev_attr.attr, |
1215 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1216 | &sensor_dev_attr_in4_max.dev_attr.attr, |
1217 | &sensor_dev_attr_in4_min.dev_attr.attr, |
1218 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1219 | &sensor_dev_attr_in5_max.dev_attr.attr, |
1220 | &sensor_dev_attr_in5_min.dev_attr.attr, |
1221 | &sensor_dev_attr_in6_input.dev_attr.attr, |
1222 | &sensor_dev_attr_in6_max.dev_attr.attr, |
1223 | &sensor_dev_attr_in6_min.dev_attr.attr, |
1224 | &sensor_dev_attr_in7_input.dev_attr.attr, |
1225 | &sensor_dev_attr_in7_max.dev_attr.attr, |
1226 | &sensor_dev_attr_in7_min.dev_attr.attr, |
1227 | &sensor_dev_attr_in8_input.dev_attr.attr, |
1228 | &sensor_dev_attr_in8_max.dev_attr.attr, |
1229 | &sensor_dev_attr_in8_min.dev_attr.attr, |
1230 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
1231 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
1232 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
1233 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
1234 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
1235 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
1236 | &sensor_dev_attr_in6_alarm.dev_attr.attr, |
1237 | &sensor_dev_attr_in7_alarm.dev_attr.attr, |
1238 | &sensor_dev_attr_in8_alarm.dev_attr.attr, |
1239 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
1240 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
1241 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, |
1242 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
1243 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
1244 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, |
1245 | &sensor_dev_attr_temp3_input.dev_attr.attr, |
1246 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
1247 | &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, |
1248 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
1249 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
1250 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, |
1251 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1252 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, |
1253 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
1254 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1255 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, |
1256 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
1257 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1258 | &sensor_dev_attr_pwm3_mode.dev_attr.attr, |
1259 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
1260 | &dev_attr_alarms.attr, |
1261 | &dev_attr_intrusion0_alarm.attr, |
1262 | &sensor_dev_attr_tolerance1.dev_attr.attr, |
1263 | &sensor_dev_attr_thermal_cruise1.dev_attr.attr, |
1264 | &sensor_dev_attr_tolerance2.dev_attr.attr, |
1265 | &sensor_dev_attr_thermal_cruise2.dev_attr.attr, |
1266 | &sensor_dev_attr_tolerance3.dev_attr.attr, |
1267 | &sensor_dev_attr_thermal_cruise3.dev_attr.attr, |
1268 | &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr, |
1269 | &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr, |
1270 | &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr, |
1271 | &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr, |
1272 | &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr, |
1273 | &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr, |
1274 | &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr, |
1275 | &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr, |
1276 | &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr, |
1277 | &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr, |
1278 | &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr, |
1279 | &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr, |
1280 | &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr, |
1281 | &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr, |
1282 | &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr, |
1283 | &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr, |
1284 | &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr, |
1285 | &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr, |
1286 | &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr, |
1287 | &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr, |
1288 | &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr, |
1289 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1290 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
1291 | &sensor_dev_attr_fan1_div.dev_attr.attr, |
1292 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
1293 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
1294 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
1295 | &sensor_dev_attr_fan2_div.dev_attr.attr, |
1296 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
1297 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
1298 | &sensor_dev_attr_fan3_min.dev_attr.attr, |
1299 | &sensor_dev_attr_fan3_div.dev_attr.attr, |
1300 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
1301 | NULL |
1302 | }; |
1303 | |
1304 | static const struct attribute_group w83792d_group = { |
1305 | .attrs = w83792d_attributes, |
1306 | }; |
1307 | |
1308 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
1309 | static int |
1310 | w83792d_detect(struct i2c_client *client, struct i2c_board_info *info) |
1311 | { |
1312 | struct i2c_adapter *adapter = client->adapter; |
1313 | int val1, val2; |
1314 | unsigned short address = client->addr; |
1315 | |
1316 | if (!i2c_check_functionality(adap: adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
1317 | return -ENODEV; |
1318 | |
1319 | if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) |
1320 | return -ENODEV; |
1321 | |
1322 | val1 = w83792d_read_value(client, W83792D_REG_BANK); |
1323 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); |
1324 | /* Check for Winbond ID if in bank 0 */ |
1325 | if (!(val1 & 0x07)) { /* is Bank0 */ |
1326 | if ((!(val1 & 0x80) && val2 != 0xa3) || |
1327 | ((val1 & 0x80) && val2 != 0x5c)) |
1328 | return -ENODEV; |
1329 | } |
1330 | /* |
1331 | * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR |
1332 | * should match |
1333 | */ |
1334 | if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address) |
1335 | return -ENODEV; |
1336 | |
1337 | /* Put it now into bank 0 and Vendor ID High Byte */ |
1338 | w83792d_write_value(client, |
1339 | W83792D_REG_BANK, |
1340 | value: (w83792d_read_value(client, |
1341 | W83792D_REG_BANK) & 0x78) | 0x80); |
1342 | |
1343 | /* Determine the chip type. */ |
1344 | val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); |
1345 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); |
1346 | if (val1 != 0x7a || val2 != 0x5c) |
1347 | return -ENODEV; |
1348 | |
1349 | strscpy(p: info->type, q: "w83792d" , I2C_NAME_SIZE); |
1350 | |
1351 | return 0; |
1352 | } |
1353 | |
1354 | static int |
1355 | w83792d_probe(struct i2c_client *client) |
1356 | { |
1357 | struct w83792d_data *data; |
1358 | struct device *dev = &client->dev; |
1359 | int i, val1, err; |
1360 | |
1361 | data = devm_kzalloc(dev, size: sizeof(struct w83792d_data), GFP_KERNEL); |
1362 | if (!data) |
1363 | return -ENOMEM; |
1364 | |
1365 | i2c_set_clientdata(client, data); |
1366 | mutex_init(&data->update_lock); |
1367 | |
1368 | err = w83792d_detect_subclients(new_client: client); |
1369 | if (err) |
1370 | return err; |
1371 | |
1372 | /* Initialize the chip */ |
1373 | w83792d_init_client(client); |
1374 | |
1375 | /* A few vars need to be filled upon startup */ |
1376 | for (i = 0; i < 7; i++) { |
1377 | data->fan_min[i] = w83792d_read_value(client, |
1378 | reg: W83792D_REG_FAN_MIN[i]); |
1379 | } |
1380 | |
1381 | /* Register sysfs hooks */ |
1382 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83792d_group); |
1383 | if (err) |
1384 | return err; |
1385 | |
1386 | /* |
1387 | * Read GPIO enable register to check if pins for fan 4,5 are used as |
1388 | * GPIO |
1389 | */ |
1390 | val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); |
1391 | |
1392 | if (!(val1 & 0x40)) { |
1393 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83792d_group_fan[0]); |
1394 | if (err) |
1395 | goto exit_remove_files; |
1396 | } |
1397 | |
1398 | if (!(val1 & 0x20)) { |
1399 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83792d_group_fan[1]); |
1400 | if (err) |
1401 | goto exit_remove_files; |
1402 | } |
1403 | |
1404 | val1 = w83792d_read_value(client, W83792D_REG_PIN); |
1405 | if (val1 & 0x40) { |
1406 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83792d_group_fan[2]); |
1407 | if (err) |
1408 | goto exit_remove_files; |
1409 | } |
1410 | |
1411 | if (val1 & 0x04) { |
1412 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83792d_group_fan[3]); |
1413 | if (err) |
1414 | goto exit_remove_files; |
1415 | } |
1416 | |
1417 | data->hwmon_dev = hwmon_device_register(dev); |
1418 | if (IS_ERR(ptr: data->hwmon_dev)) { |
1419 | err = PTR_ERR(ptr: data->hwmon_dev); |
1420 | goto exit_remove_files; |
1421 | } |
1422 | |
1423 | return 0; |
1424 | |
1425 | exit_remove_files: |
1426 | sysfs_remove_group(kobj: &dev->kobj, grp: &w83792d_group); |
1427 | for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) |
1428 | sysfs_remove_group(kobj: &dev->kobj, grp: &w83792d_group_fan[i]); |
1429 | return err; |
1430 | } |
1431 | |
1432 | static void |
1433 | w83792d_remove(struct i2c_client *client) |
1434 | { |
1435 | struct w83792d_data *data = i2c_get_clientdata(client); |
1436 | int i; |
1437 | |
1438 | hwmon_device_unregister(dev: data->hwmon_dev); |
1439 | sysfs_remove_group(kobj: &client->dev.kobj, grp: &w83792d_group); |
1440 | for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) |
1441 | sysfs_remove_group(kobj: &client->dev.kobj, |
1442 | grp: &w83792d_group_fan[i]); |
1443 | } |
1444 | |
1445 | static void |
1446 | w83792d_init_client(struct i2c_client *client) |
1447 | { |
1448 | u8 temp2_cfg, temp3_cfg, vid_in_b; |
1449 | |
1450 | if (init) |
1451 | w83792d_write_value(client, W83792D_REG_CONFIG, value: 0x80); |
1452 | |
1453 | /* |
1454 | * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): |
1455 | * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of |
1456 | * vin0/vin1 can be modified by user; |
1457 | * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of |
1458 | * vin0/vin1 auto-updated, can NOT be modified by user. |
1459 | */ |
1460 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); |
1461 | w83792d_write_value(client, W83792D_REG_VID_IN_B, |
1462 | value: vid_in_b & 0xbf); |
1463 | |
1464 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); |
1465 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); |
1466 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, |
1467 | value: temp2_cfg & 0xe6); |
1468 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, |
1469 | value: temp3_cfg & 0xe6); |
1470 | |
1471 | /* Start monitoring */ |
1472 | w83792d_write_value(client, W83792D_REG_CONFIG, |
1473 | value: (w83792d_read_value(client, |
1474 | W83792D_REG_CONFIG) & 0xf7) |
1475 | | 0x01); |
1476 | } |
1477 | |
1478 | static struct w83792d_data *w83792d_update_device(struct device *dev) |
1479 | { |
1480 | struct i2c_client *client = to_i2c_client(dev); |
1481 | struct w83792d_data *data = i2c_get_clientdata(client); |
1482 | int i, j; |
1483 | u8 reg_array_tmp[4], reg_tmp; |
1484 | |
1485 | mutex_lock(&data->update_lock); |
1486 | |
1487 | if (time_after |
1488 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) |
1489 | || time_before(jiffies, data->last_updated) || !data->valid) { |
1490 | dev_dbg(dev, "Starting device update\n" ); |
1491 | |
1492 | /* Update the voltages measured value and limits */ |
1493 | for (i = 0; i < 9; i++) { |
1494 | data->in[i] = w83792d_read_value(client, |
1495 | reg: W83792D_REG_IN[i]); |
1496 | data->in_max[i] = w83792d_read_value(client, |
1497 | reg: W83792D_REG_IN_MAX[i]); |
1498 | data->in_min[i] = w83792d_read_value(client, |
1499 | reg: W83792D_REG_IN_MIN[i]); |
1500 | } |
1501 | data->low_bits = w83792d_read_value(client, |
1502 | W83792D_REG_LOW_BITS1) + |
1503 | (w83792d_read_value(client, |
1504 | W83792D_REG_LOW_BITS2) << 8); |
1505 | for (i = 0; i < 7; i++) { |
1506 | /* Update the Fan measured value and limits */ |
1507 | data->fan[i] = w83792d_read_value(client, |
1508 | reg: W83792D_REG_FAN[i]); |
1509 | data->fan_min[i] = w83792d_read_value(client, |
1510 | reg: W83792D_REG_FAN_MIN[i]); |
1511 | /* Update the PWM/DC Value and PWM/DC flag */ |
1512 | data->pwm[i] = w83792d_read_value(client, |
1513 | reg: W83792D_REG_PWM[i]); |
1514 | } |
1515 | |
1516 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); |
1517 | data->pwmenable[0] = reg_tmp & 0x03; |
1518 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; |
1519 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; |
1520 | |
1521 | for (i = 0; i < 3; i++) { |
1522 | data->temp1[i] = w83792d_read_value(client, |
1523 | reg: W83792D_REG_TEMP1[i]); |
1524 | } |
1525 | for (i = 0; i < 2; i++) { |
1526 | for (j = 0; j < 6; j++) { |
1527 | data->temp_add[i][j] = w83792d_read_value( |
1528 | client, reg: W83792D_REG_TEMP_ADD[i][j]); |
1529 | } |
1530 | } |
1531 | |
1532 | /* Update the Fan Divisor */ |
1533 | for (i = 0; i < 4; i++) { |
1534 | reg_array_tmp[i] = w83792d_read_value(client, |
1535 | reg: W83792D_REG_FAN_DIV[i]); |
1536 | } |
1537 | data->fan_div[0] = reg_array_tmp[0] & 0x07; |
1538 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; |
1539 | data->fan_div[2] = reg_array_tmp[1] & 0x07; |
1540 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; |
1541 | data->fan_div[4] = reg_array_tmp[2] & 0x07; |
1542 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; |
1543 | data->fan_div[6] = reg_array_tmp[3] & 0x07; |
1544 | |
1545 | /* Update the realtime status */ |
1546 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + |
1547 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + |
1548 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); |
1549 | |
1550 | /* Update CaseOpen status and it's CLR_CHS. */ |
1551 | data->chassis = (w83792d_read_value(client, |
1552 | W83792D_REG_CHASSIS) >> 5) & 0x01; |
1553 | |
1554 | /* Update Thermal Cruise/Smart Fan I target value */ |
1555 | for (i = 0; i < 3; i++) { |
1556 | data->thermal_cruise[i] = |
1557 | w83792d_read_value(client, |
1558 | reg: W83792D_REG_THERMAL[i]) & 0x7f; |
1559 | } |
1560 | |
1561 | /* Update Smart Fan I/II tolerance */ |
1562 | reg_tmp = w83792d_read_value(client, reg: W83792D_REG_TOLERANCE[0]); |
1563 | data->tolerance[0] = reg_tmp & 0x0f; |
1564 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; |
1565 | data->tolerance[2] = w83792d_read_value(client, |
1566 | reg: W83792D_REG_TOLERANCE[2]) & 0x0f; |
1567 | |
1568 | /* Update Smart Fan II temperature points */ |
1569 | for (i = 0; i < 3; i++) { |
1570 | for (j = 0; j < 4; j++) { |
1571 | data->sf2_points[i][j] |
1572 | = w83792d_read_value(client, |
1573 | reg: W83792D_REG_POINTS[i][j]) & 0x7f; |
1574 | } |
1575 | } |
1576 | |
1577 | /* Update Smart Fan II duty cycle levels */ |
1578 | for (i = 0; i < 3; i++) { |
1579 | reg_tmp = w83792d_read_value(client, |
1580 | reg: W83792D_REG_LEVELS[i][0]); |
1581 | data->sf2_levels[i][0] = reg_tmp & 0x0f; |
1582 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; |
1583 | reg_tmp = w83792d_read_value(client, |
1584 | reg: W83792D_REG_LEVELS[i][2]); |
1585 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; |
1586 | data->sf2_levels[i][3] = reg_tmp & 0x0f; |
1587 | } |
1588 | |
1589 | data->last_updated = jiffies; |
1590 | data->valid = true; |
1591 | } |
1592 | |
1593 | mutex_unlock(lock: &data->update_lock); |
1594 | |
1595 | #ifdef DEBUG |
1596 | w83792d_print_debug(data, dev); |
1597 | #endif |
1598 | |
1599 | return data; |
1600 | } |
1601 | |
1602 | #ifdef DEBUG |
1603 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) |
1604 | { |
1605 | int i = 0, j = 0; |
1606 | dev_dbg(dev, "==========The following is the debug message...========\n" ); |
1607 | dev_dbg(dev, "9 set of Voltages: =====>\n" ); |
1608 | for (i = 0; i < 9; i++) { |
1609 | dev_dbg(dev, "vin[%d] is: 0x%x\n" , i, data->in[i]); |
1610 | dev_dbg(dev, "vin[%d] max is: 0x%x\n" , i, data->in_max[i]); |
1611 | dev_dbg(dev, "vin[%d] min is: 0x%x\n" , i, data->in_min[i]); |
1612 | } |
1613 | dev_dbg(dev, "Low Bit1 is: 0x%x\n" , data->low_bits & 0xff); |
1614 | dev_dbg(dev, "Low Bit2 is: 0x%x\n" , data->low_bits >> 8); |
1615 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n" ); |
1616 | for (i = 0; i < 7; i++) { |
1617 | dev_dbg(dev, "fan[%d] is: 0x%x\n" , i, data->fan[i]); |
1618 | dev_dbg(dev, "fan[%d] min is: 0x%x\n" , i, data->fan_min[i]); |
1619 | dev_dbg(dev, "pwm[%d] is: 0x%x\n" , i, data->pwm[i]); |
1620 | } |
1621 | dev_dbg(dev, "3 set of Temperatures: =====>\n" ); |
1622 | for (i = 0; i < 3; i++) |
1623 | dev_dbg(dev, "temp1[%d] is: 0x%x\n" , i, data->temp1[i]); |
1624 | |
1625 | for (i = 0; i < 2; i++) { |
1626 | for (j = 0; j < 6; j++) { |
1627 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n" , i, j, |
1628 | data->temp_add[i][j]); |
1629 | } |
1630 | } |
1631 | |
1632 | for (i = 0; i < 7; i++) |
1633 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n" , i, data->fan_div[i]); |
1634 | |
1635 | dev_dbg(dev, "==========End of the debug message...================\n" ); |
1636 | dev_dbg(dev, "\n" ); |
1637 | } |
1638 | #endif |
1639 | |
1640 | module_i2c_driver(w83792d_driver); |
1641 | |
1642 | MODULE_AUTHOR("Shane Huang (Winbond)" ); |
1643 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6" ); |
1644 | MODULE_LICENSE("GPL" ); |
1645 | |