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1 | /* | |
2 | w83792d.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | Copyright (C) 2004, 2005 Winbond Electronics Corp. | |
5 | Chunhao Huang <DZShen@Winbond.com.tw>, | |
6 | Rudolf Marek <r.marek@assembler.cz> | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | ||
22 | Note: | |
23 | 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. | |
24 | 2. This driver is only for Winbond W83792D C version device, there | |
25 | are also some motherboards with B version W83792D device. The | |
26 | calculation method to in6-in7(measured value, limits) is a little | |
27 | different between C and B version. C or B version can be identified | |
28 | by CR[0x49h]. | |
29 | */ | |
30 | ||
31 | /* | |
32 | Supports following chips: | |
33 | ||
34 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
35 | w83792d 9 7 7 3 0x7a 0x5ca3 yes no | |
36 | */ | |
37 | ||
38 | #include <linux/module.h> | |
39 | #include <linux/init.h> | |
40 | #include <linux/slab.h> | |
41 | #include <linux/i2c.h> | |
42 | #include <linux/hwmon.h> | |
43 | #include <linux/hwmon-sysfs.h> | |
44 | #include <linux/err.h> | |
45 | #include <linux/mutex.h> | |
46 | #include <linux/sysfs.h> | |
47 | ||
48 | /* Addresses to scan */ | |
49 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, | |
50 | I2C_CLIENT_END }; | |
51 | ||
52 | /* Insmod parameters */ | |
53 | I2C_CLIENT_INSMOD_1(w83792d); | |
54 | ||
55 | static unsigned short force_subclients[4]; | |
56 | module_param_array(force_subclients, short, NULL, 0); | |
57 | MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " | |
58 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
59 | ||
60 | static int init; | |
61 | module_param(init, bool, 0); | |
62 | MODULE_PARM_DESC(init, "Set to one to force chip initialization"); | |
63 | ||
64 | /* The W83792D registers */ | |
65 | static const u8 W83792D_REG_IN[9] = { | |
66 | 0x20, /* Vcore A in DataSheet */ | |
67 | 0x21, /* Vcore B in DataSheet */ | |
68 | 0x22, /* VIN0 in DataSheet */ | |
69 | 0x23, /* VIN1 in DataSheet */ | |
70 | 0x24, /* VIN2 in DataSheet */ | |
71 | 0x25, /* VIN3 in DataSheet */ | |
72 | 0x26, /* 5VCC in DataSheet */ | |
73 | 0xB0, /* 5VSB in DataSheet */ | |
74 | 0xB1 /* VBAT in DataSheet */ | |
75 | }; | |
76 | #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ | |
77 | #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ | |
78 | static const u8 W83792D_REG_IN_MAX[9] = { | |
79 | 0x2B, /* Vcore A High Limit in DataSheet */ | |
80 | 0x2D, /* Vcore B High Limit in DataSheet */ | |
81 | 0x2F, /* VIN0 High Limit in DataSheet */ | |
82 | 0x31, /* VIN1 High Limit in DataSheet */ | |
83 | 0x33, /* VIN2 High Limit in DataSheet */ | |
84 | 0x35, /* VIN3 High Limit in DataSheet */ | |
85 | 0x37, /* 5VCC High Limit in DataSheet */ | |
86 | 0xB4, /* 5VSB High Limit in DataSheet */ | |
87 | 0xB6 /* VBAT High Limit in DataSheet */ | |
88 | }; | |
89 | static const u8 W83792D_REG_IN_MIN[9] = { | |
90 | 0x2C, /* Vcore A Low Limit in DataSheet */ | |
91 | 0x2E, /* Vcore B Low Limit in DataSheet */ | |
92 | 0x30, /* VIN0 Low Limit in DataSheet */ | |
93 | 0x32, /* VIN1 Low Limit in DataSheet */ | |
94 | 0x34, /* VIN2 Low Limit in DataSheet */ | |
95 | 0x36, /* VIN3 Low Limit in DataSheet */ | |
96 | 0x38, /* 5VCC Low Limit in DataSheet */ | |
97 | 0xB5, /* 5VSB Low Limit in DataSheet */ | |
98 | 0xB7 /* VBAT Low Limit in DataSheet */ | |
99 | }; | |
100 | static const u8 W83792D_REG_FAN[7] = { | |
101 | 0x28, /* FAN 1 Count in DataSheet */ | |
102 | 0x29, /* FAN 2 Count in DataSheet */ | |
103 | 0x2A, /* FAN 3 Count in DataSheet */ | |
104 | 0xB8, /* FAN 4 Count in DataSheet */ | |
105 | 0xB9, /* FAN 5 Count in DataSheet */ | |
106 | 0xBA, /* FAN 6 Count in DataSheet */ | |
107 | 0xBE /* FAN 7 Count in DataSheet */ | |
108 | }; | |
109 | static const u8 W83792D_REG_FAN_MIN[7] = { | |
110 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ | |
111 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ | |
112 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ | |
113 | 0xBB, /* FAN 4 Count Low Limit in DataSheet */ | |
114 | 0xBC, /* FAN 5 Count Low Limit in DataSheet */ | |
115 | 0xBD, /* FAN 6 Count Low Limit in DataSheet */ | |
116 | 0xBF /* FAN 7 Count Low Limit in DataSheet */ | |
117 | }; | |
118 | #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ | |
119 | static const u8 W83792D_REG_FAN_DIV[4] = { | |
120 | 0x47, /* contains FAN2 and FAN1 Divisor */ | |
121 | 0x5B, /* contains FAN4 and FAN3 Divisor */ | |
122 | 0x5C, /* contains FAN6 and FAN5 Divisor */ | |
123 | 0x9E /* contains FAN7 Divisor. */ | |
124 | }; | |
125 | static const u8 W83792D_REG_PWM[7] = { | |
126 | 0x81, /* FAN 1 Duty Cycle, be used to control */ | |
127 | 0x83, /* FAN 2 Duty Cycle, be used to control */ | |
128 | 0x94, /* FAN 3 Duty Cycle, be used to control */ | |
129 | 0xA3, /* FAN 4 Duty Cycle, be used to control */ | |
130 | 0xA4, /* FAN 5 Duty Cycle, be used to control */ | |
131 | 0xA5, /* FAN 6 Duty Cycle, be used to control */ | |
132 | 0xA6 /* FAN 7 Duty Cycle, be used to control */ | |
133 | }; | |
134 | #define W83792D_REG_BANK 0x4E | |
135 | #define W83792D_REG_TEMP2_CONFIG 0xC2 | |
136 | #define W83792D_REG_TEMP3_CONFIG 0xCA | |
137 | ||
138 | static const u8 W83792D_REG_TEMP1[3] = { | |
139 | 0x27, /* TEMP 1 in DataSheet */ | |
140 | 0x39, /* TEMP 1 Over in DataSheet */ | |
141 | 0x3A, /* TEMP 1 Hyst in DataSheet */ | |
142 | }; | |
143 | ||
144 | static const u8 W83792D_REG_TEMP_ADD[2][6] = { | |
145 | { 0xC0, /* TEMP 2 in DataSheet */ | |
146 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ | |
147 | 0xC5, /* TEMP 2 Over High part in DataSheet */ | |
148 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ | |
149 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ | |
150 | 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ | |
151 | { 0xC8, /* TEMP 3 in DataSheet */ | |
152 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ | |
153 | 0xCD, /* TEMP 3 Over High part in DataSheet */ | |
154 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ | |
155 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ | |
156 | 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ | |
157 | }; | |
158 | ||
159 | static const u8 W83792D_REG_THERMAL[3] = { | |
160 | 0x85, /* SmartFanI: Fan1 target value */ | |
161 | 0x86, /* SmartFanI: Fan2 target value */ | |
162 | 0x96 /* SmartFanI: Fan3 target value */ | |
163 | }; | |
164 | ||
165 | static const u8 W83792D_REG_TOLERANCE[3] = { | |
166 | 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ | |
167 | 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ | |
168 | 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ | |
169 | }; | |
170 | ||
171 | static const u8 W83792D_REG_POINTS[3][4] = { | |
172 | { 0x85, /* SmartFanII: Fan1 temp point 1 */ | |
173 | 0xE3, /* SmartFanII: Fan1 temp point 2 */ | |
174 | 0xE4, /* SmartFanII: Fan1 temp point 3 */ | |
175 | 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ | |
176 | { 0x86, /* SmartFanII: Fan2 temp point 1 */ | |
177 | 0xE6, /* SmartFanII: Fan2 temp point 2 */ | |
178 | 0xE7, /* SmartFanII: Fan2 temp point 3 */ | |
179 | 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ | |
180 | { 0x96, /* SmartFanII: Fan3 temp point 1 */ | |
181 | 0xE9, /* SmartFanII: Fan3 temp point 2 */ | |
182 | 0xEA, /* SmartFanII: Fan3 temp point 3 */ | |
183 | 0xEB } /* SmartFanII: Fan3 temp point 4 */ | |
184 | }; | |
185 | ||
186 | static const u8 W83792D_REG_LEVELS[3][4] = { | |
187 | { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ | |
188 | 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ | |
189 | 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ | |
190 | 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ | |
191 | { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ | |
192 | 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ | |
193 | 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ | |
194 | 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ | |
195 | { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ | |
196 | 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ | |
197 | 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ | |
198 | 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ | |
199 | }; | |
200 | ||
201 | #define W83792D_REG_GPIO_EN 0x1A | |
202 | #define W83792D_REG_CONFIG 0x40 | |
203 | #define W83792D_REG_VID_FANDIV 0x47 | |
204 | #define W83792D_REG_CHIPID 0x49 | |
205 | #define W83792D_REG_WCHIPID 0x58 | |
206 | #define W83792D_REG_CHIPMAN 0x4F | |
207 | #define W83792D_REG_PIN 0x4B | |
208 | #define W83792D_REG_I2C_SUBADDR 0x4A | |
209 | ||
210 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
211 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ | |
212 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ | |
213 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ | |
214 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ | |
215 | ||
216 | /* control in0/in1 's limit modifiability */ | |
217 | #define W83792D_REG_VID_IN_B 0x17 | |
218 | ||
219 | #define W83792D_REG_VBAT 0x5D | |
220 | #define W83792D_REG_I2C_ADDR 0x48 | |
221 | ||
222 | /* Conversions. Rounding and limit checking is only done on the TO_REG | |
223 | variants. Note that you should be a bit careful with which arguments | |
224 | these macros are called: arguments may be evaluated more than once. | |
225 | Fixing this is just not worth it. */ | |
226 | #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ | |
227 | ((((nr)==6)||((nr)==7))?(val*6):(val*4))) | |
228 | #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ | |
229 | ((((nr)==6)||((nr)==7))?(val/6):(val/4))) | |
230 | ||
231 | static inline u8 | |
232 | FAN_TO_REG(long rpm, int div) | |
233 | { | |
234 | if (rpm == 0) | |
235 | return 255; | |
236 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
237 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
238 | } | |
239 | ||
240 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
241 | ((val) == 255 ? 0 : \ | |
242 | 1350000 / ((val) * (div)))) | |
243 | ||
244 | /* for temp1 */ | |
245 | #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
246 | : (val)) / 1000, 0, 0xff)) | |
247 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) | |
248 | /* for temp2 and temp3, because they need addtional resolution */ | |
249 | #define TEMP_ADD_FROM_REG(val1, val2) \ | |
250 | ((((val1) & 0x80 ? (val1)-0x100 \ | |
251 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) | |
252 | #define TEMP_ADD_TO_REG_HIGH(val) \ | |
253 | (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ | |
254 | : (val)) / 1000, 0, 0xff)) | |
255 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) | |
256 | ||
257 | #define DIV_FROM_REG(val) (1 << (val)) | |
258 | ||
259 | static inline u8 | |
260 | DIV_TO_REG(long val) | |
261 | { | |
262 | int i; | |
263 | val = SENSORS_LIMIT(val, 1, 128) >> 1; | |
264 | for (i = 0; i < 7; i++) { | |
265 | if (val == 0) | |
266 | break; | |
267 | val >>= 1; | |
268 | } | |
269 | return ((u8) i); | |
270 | } | |
271 | ||
272 | struct w83792d_data { | |
273 | struct device *hwmon_dev; | |
274 | ||
275 | struct mutex update_lock; | |
276 | char valid; /* !=0 if following fields are valid */ | |
277 | unsigned long last_updated; /* In jiffies */ | |
278 | ||
279 | /* array of 2 pointers to subclients */ | |
280 | struct i2c_client *lm75[2]; | |
281 | ||
282 | u8 in[9]; /* Register value */ | |
283 | u8 in_max[9]; /* Register value */ | |
284 | u8 in_min[9]; /* Register value */ | |
285 | u16 low_bits; /* Additional resolution to voltage in6-0 */ | |
286 | u8 fan[7]; /* Register value */ | |
287 | u8 fan_min[7]; /* Register value */ | |
288 | u8 temp1[3]; /* current, over, thyst */ | |
289 | u8 temp_add[2][6]; /* Register value */ | |
290 | u8 fan_div[7]; /* Register encoding, shifted right */ | |
291 | u8 pwm[7]; /* We only consider the first 3 set of pwm, | |
292 | although 792 chip has 7 set of pwm. */ | |
293 | u8 pwmenable[3]; | |
294 | u32 alarms; /* realtime status register encoding,combined */ | |
295 | u8 chassis; /* Chassis status */ | |
296 | u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ | |
297 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ | |
298 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ | |
299 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ | |
300 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ | |
301 | }; | |
302 | ||
303 | static int w83792d_probe(struct i2c_client *client, | |
304 | const struct i2c_device_id *id); | |
305 | static int w83792d_detect(struct i2c_client *client, int kind, | |
306 | struct i2c_board_info *info); | |
307 | static int w83792d_remove(struct i2c_client *client); | |
308 | static struct w83792d_data *w83792d_update_device(struct device *dev); | |
309 | ||
310 | #ifdef DEBUG | |
311 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); | |
312 | #endif | |
313 | ||
314 | static void w83792d_init_client(struct i2c_client *client); | |
315 | ||
316 | static const struct i2c_device_id w83792d_id[] = { | |
317 | { "w83792d", w83792d }, | |
318 | { } | |
319 | }; | |
320 | MODULE_DEVICE_TABLE(i2c, w83792d_id); | |
321 | ||
322 | static struct i2c_driver w83792d_driver = { | |
323 | .class = I2C_CLASS_HWMON, | |
324 | .driver = { | |
325 | .name = "w83792d", | |
326 | }, | |
327 | .probe = w83792d_probe, | |
328 | .remove = w83792d_remove, | |
329 | .id_table = w83792d_id, | |
330 | .detect = w83792d_detect, | |
331 | .address_data = &addr_data, | |
332 | }; | |
333 | ||
334 | static inline long in_count_from_reg(int nr, struct w83792d_data *data) | |
335 | { | |
336 | /* in7 and in8 do not have low bits, but the formula still works */ | |
337 | return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); | |
338 | } | |
339 | ||
340 | /* The SMBus locks itself. The Winbond W83792D chip has a bank register, | |
341 | but the driver only accesses registers in bank 0, so we don't have | |
342 | to switch banks and lock access between switches. */ | |
343 | static inline int w83792d_read_value(struct i2c_client *client, u8 reg) | |
344 | { | |
345 | return i2c_smbus_read_byte_data(client, reg); | |
346 | } | |
347 | ||
348 | static inline int | |
349 | w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) | |
350 | { | |
351 | return i2c_smbus_write_byte_data(client, reg, value); | |
352 | } | |
353 | ||
354 | /* following are the sysfs callback functions */ | |
355 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
356 | char *buf) | |
357 | { | |
358 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
359 | int nr = sensor_attr->index; | |
360 | struct w83792d_data *data = w83792d_update_device(dev); | |
361 | return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); | |
362 | } | |
363 | ||
364 | #define show_in_reg(reg) \ | |
365 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
366 | char *buf) \ | |
367 | { \ | |
368 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
369 | int nr = sensor_attr->index; \ | |
370 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
371 | return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ | |
372 | } | |
373 | ||
374 | show_in_reg(in_min); | |
375 | show_in_reg(in_max); | |
376 | ||
377 | #define store_in_reg(REG, reg) \ | |
378 | static ssize_t store_in_##reg (struct device *dev, \ | |
379 | struct device_attribute *attr, \ | |
380 | const char *buf, size_t count) \ | |
381 | { \ | |
382 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
383 | int nr = sensor_attr->index; \ | |
384 | struct i2c_client *client = to_i2c_client(dev); \ | |
385 | struct w83792d_data *data = i2c_get_clientdata(client); \ | |
386 | u32 val; \ | |
387 | \ | |
388 | val = simple_strtoul(buf, NULL, 10); \ | |
389 | mutex_lock(&data->update_lock); \ | |
390 | data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ | |
391 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
392 | mutex_unlock(&data->update_lock); \ | |
393 | \ | |
394 | return count; \ | |
395 | } | |
396 | store_in_reg(MIN, min); | |
397 | store_in_reg(MAX, max); | |
398 | ||
399 | #define show_fan_reg(reg) \ | |
400 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
401 | char *buf) \ | |
402 | { \ | |
403 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
404 | int nr = sensor_attr->index - 1; \ | |
405 | struct w83792d_data *data = w83792d_update_device(dev); \ | |
406 | return sprintf(buf,"%d\n", \ | |
407 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ | |
408 | } | |
409 | ||
410 | show_fan_reg(fan); | |
411 | show_fan_reg(fan_min); | |
412 | ||
413 | static ssize_t | |
414 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
415 | const char *buf, size_t count) | |
416 | { | |
417 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
418 | int nr = sensor_attr->index - 1; | |
419 | struct i2c_client *client = to_i2c_client(dev); | |
420 | struct w83792d_data *data = i2c_get_clientdata(client); | |
421 | u32 val; | |
422 | ||
423 | val = simple_strtoul(buf, NULL, 10); | |
424 | mutex_lock(&data->update_lock); | |
425 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); | |
426 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], | |
427 | data->fan_min[nr]); | |
428 | mutex_unlock(&data->update_lock); | |
429 | ||
430 | return count; | |
431 | } | |
432 | ||
433 | static ssize_t | |
434 | show_fan_div(struct device *dev, struct device_attribute *attr, | |
435 | char *buf) | |
436 | { | |
437 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
438 | int nr = sensor_attr->index; | |
439 | struct w83792d_data *data = w83792d_update_device(dev); | |
440 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); | |
441 | } | |
442 | ||
443 | /* Note: we save and restore the fan minimum here, because its value is | |
444 | determined in part by the fan divisor. This follows the principle of | |
445 | least surprise; the user doesn't expect the fan minimum to change just | |
446 | because the divisor changed. */ | |
447 | static ssize_t | |
448 | store_fan_div(struct device *dev, struct device_attribute *attr, | |
449 | const char *buf, size_t count) | |
450 | { | |
451 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
452 | int nr = sensor_attr->index - 1; | |
453 | struct i2c_client *client = to_i2c_client(dev); | |
454 | struct w83792d_data *data = i2c_get_clientdata(client); | |
455 | unsigned long min; | |
456 | /*u8 reg;*/ | |
457 | u8 fan_div_reg = 0; | |
458 | u8 tmp_fan_div; | |
459 | ||
460 | /* Save fan_min */ | |
461 | mutex_lock(&data->update_lock); | |
462 | min = FAN_FROM_REG(data->fan_min[nr], | |
463 | DIV_FROM_REG(data->fan_div[nr])); | |
464 | ||
465 | data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); | |
466 | ||
467 | fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); | |
468 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; | |
469 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) | |
470 | : ((data->fan_div[nr]) & 0x07); | |
471 | w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], | |
472 | fan_div_reg | tmp_fan_div); | |
473 | ||
474 | /* Restore fan_min */ | |
475 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); | |
476 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
477 | mutex_unlock(&data->update_lock); | |
478 | ||
479 | return count; | |
480 | } | |
481 | ||
482 | /* read/write the temperature1, includes measured value and limits */ | |
483 | ||
484 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, | |
485 | char *buf) | |
486 | { | |
487 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
488 | int nr = sensor_attr->index; | |
489 | struct w83792d_data *data = w83792d_update_device(dev); | |
490 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); | |
491 | } | |
492 | ||
493 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, | |
494 | const char *buf, size_t count) | |
495 | { | |
496 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
497 | int nr = sensor_attr->index; | |
498 | struct i2c_client *client = to_i2c_client(dev); | |
499 | struct w83792d_data *data = i2c_get_clientdata(client); | |
500 | s32 val; | |
501 | ||
502 | val = simple_strtol(buf, NULL, 10); | |
503 | mutex_lock(&data->update_lock); | |
504 | data->temp1[nr] = TEMP1_TO_REG(val); | |
505 | w83792d_write_value(client, W83792D_REG_TEMP1[nr], | |
506 | data->temp1[nr]); | |
507 | mutex_unlock(&data->update_lock); | |
508 | ||
509 | return count; | |
510 | } | |
511 | ||
512 | /* read/write the temperature2-3, includes measured value and limits */ | |
513 | ||
514 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, | |
515 | char *buf) | |
516 | { | |
517 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
518 | int nr = sensor_attr->nr; | |
519 | int index = sensor_attr->index; | |
520 | struct w83792d_data *data = w83792d_update_device(dev); | |
521 | return sprintf(buf,"%ld\n", | |
522 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], | |
523 | data->temp_add[nr][index+1])); | |
524 | } | |
525 | ||
526 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, | |
527 | const char *buf, size_t count) | |
528 | { | |
529 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
530 | int nr = sensor_attr->nr; | |
531 | int index = sensor_attr->index; | |
532 | struct i2c_client *client = to_i2c_client(dev); | |
533 | struct w83792d_data *data = i2c_get_clientdata(client); | |
534 | s32 val; | |
535 | ||
536 | val = simple_strtol(buf, NULL, 10); | |
537 | mutex_lock(&data->update_lock); | |
538 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); | |
539 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); | |
540 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], | |
541 | data->temp_add[nr][index]); | |
542 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], | |
543 | data->temp_add[nr][index+1]); | |
544 | mutex_unlock(&data->update_lock); | |
545 | ||
546 | return count; | |
547 | } | |
548 | ||
549 | /* get reatime status of all sensors items: voltage, temp, fan */ | |
550 | static ssize_t | |
551 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
552 | { | |
553 | struct w83792d_data *data = w83792d_update_device(dev); | |
554 | return sprintf(buf, "%d\n", data->alarms); | |
555 | } | |
556 | ||
557 | static ssize_t show_alarm(struct device *dev, | |
558 | struct device_attribute *attr, char *buf) | |
559 | { | |
560 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
561 | int nr = sensor_attr->index; | |
562 | struct w83792d_data *data = w83792d_update_device(dev); | |
563 | return sprintf(buf, "%d\n", (data->alarms >> nr) & 1); | |
564 | } | |
565 | ||
566 | static ssize_t | |
567 | show_pwm(struct device *dev, struct device_attribute *attr, | |
568 | char *buf) | |
569 | { | |
570 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
571 | int nr = sensor_attr->index; | |
572 | struct w83792d_data *data = w83792d_update_device(dev); | |
573 | return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); | |
574 | } | |
575 | ||
576 | static ssize_t | |
577 | show_pwmenable(struct device *dev, struct device_attribute *attr, | |
578 | char *buf) | |
579 | { | |
580 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
581 | int nr = sensor_attr->index - 1; | |
582 | struct w83792d_data *data = w83792d_update_device(dev); | |
583 | long pwm_enable_tmp = 1; | |
584 | ||
585 | switch (data->pwmenable[nr]) { | |
586 | case 0: | |
587 | pwm_enable_tmp = 1; /* manual mode */ | |
588 | break; | |
589 | case 1: | |
590 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ | |
591 | break; | |
592 | case 2: | |
593 | pwm_enable_tmp = 2; /* Smart Fan II */ | |
594 | break; | |
595 | } | |
596 | ||
597 | return sprintf(buf, "%ld\n", pwm_enable_tmp); | |
598 | } | |
599 | ||
600 | static ssize_t | |
601 | store_pwm(struct device *dev, struct device_attribute *attr, | |
602 | const char *buf, size_t count) | |
603 | { | |
604 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
605 | int nr = sensor_attr->index; | |
606 | struct i2c_client *client = to_i2c_client(dev); | |
607 | struct w83792d_data *data = i2c_get_clientdata(client); | |
608 | u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; | |
609 | ||
610 | mutex_lock(&data->update_lock); | |
611 | val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; | |
612 | data->pwm[nr] = val; | |
613 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); | |
614 | mutex_unlock(&data->update_lock); | |
615 | ||
616 | return count; | |
617 | } | |
618 | ||
619 | static ssize_t | |
620 | store_pwmenable(struct device *dev, struct device_attribute *attr, | |
621 | const char *buf, size_t count) | |
622 | { | |
623 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
624 | int nr = sensor_attr->index - 1; | |
625 | struct i2c_client *client = to_i2c_client(dev); | |
626 | struct w83792d_data *data = i2c_get_clientdata(client); | |
627 | u32 val; | |
628 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; | |
629 | ||
630 | val = simple_strtoul(buf, NULL, 10); | |
631 | if (val < 1 || val > 3) | |
632 | return -EINVAL; | |
633 | ||
634 | mutex_lock(&data->update_lock); | |
635 | switch (val) { | |
636 | case 1: | |
637 | data->pwmenable[nr] = 0; /* manual mode */ | |
638 | break; | |
639 | case 2: | |
640 | data->pwmenable[nr] = 2; /* Smart Fan II */ | |
641 | break; | |
642 | case 3: | |
643 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ | |
644 | break; | |
645 | } | |
646 | cfg1_tmp = data->pwmenable[0]; | |
647 | cfg2_tmp = (data->pwmenable[1]) << 2; | |
648 | cfg3_tmp = (data->pwmenable[2]) << 4; | |
649 | cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; | |
650 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; | |
651 | w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); | |
652 | mutex_unlock(&data->update_lock); | |
653 | ||
654 | return count; | |
655 | } | |
656 | ||
657 | static ssize_t | |
658 | show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
659 | char *buf) | |
660 | { | |
661 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
662 | int nr = sensor_attr->index; | |
663 | struct w83792d_data *data = w83792d_update_device(dev); | |
664 | return sprintf(buf, "%d\n", data->pwm[nr] >> 7); | |
665 | } | |
666 | ||
667 | static ssize_t | |
668 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
669 | const char *buf, size_t count) | |
670 | { | |
671 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
672 | int nr = sensor_attr->index; | |
673 | struct i2c_client *client = to_i2c_client(dev); | |
674 | struct w83792d_data *data = i2c_get_clientdata(client); | |
675 | u32 val; | |
676 | ||
677 | val = simple_strtoul(buf, NULL, 10); | |
678 | if (val != 0 && val != 1) | |
679 | return -EINVAL; | |
680 | ||
681 | mutex_lock(&data->update_lock); | |
682 | data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); | |
683 | if (val) { /* PWM mode */ | |
684 | data->pwm[nr] |= 0x80; | |
685 | } else { /* DC mode */ | |
686 | data->pwm[nr] &= 0x7f; | |
687 | } | |
688 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); | |
689 | mutex_unlock(&data->update_lock); | |
690 | ||
691 | return count; | |
692 | } | |
693 | ||
694 | static ssize_t | |
695 | show_regs_chassis(struct device *dev, struct device_attribute *attr, | |
696 | char *buf) | |
697 | { | |
698 | struct w83792d_data *data = w83792d_update_device(dev); | |
699 | return sprintf(buf, "%d\n", data->chassis); | |
700 | } | |
701 | ||
702 | static ssize_t | |
703 | show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) | |
704 | { | |
705 | struct w83792d_data *data = w83792d_update_device(dev); | |
706 | return sprintf(buf, "%d\n", data->chassis_clear); | |
707 | } | |
708 | ||
709 | static ssize_t | |
710 | store_chassis_clear(struct device *dev, struct device_attribute *attr, | |
711 | const char *buf, size_t count) | |
712 | { | |
713 | struct i2c_client *client = to_i2c_client(dev); | |
714 | struct w83792d_data *data = i2c_get_clientdata(client); | |
715 | u32 val; | |
716 | u8 temp1 = 0, temp2 = 0; | |
717 | ||
718 | val = simple_strtoul(buf, NULL, 10); | |
719 | mutex_lock(&data->update_lock); | |
720 | data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); | |
721 | temp1 = ((data->chassis_clear) << 7) & 0x80; | |
722 | temp2 = w83792d_read_value(client, | |
723 | W83792D_REG_CHASSIS_CLR) & 0x7f; | |
724 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); | |
725 | mutex_unlock(&data->update_lock); | |
726 | ||
727 | return count; | |
728 | } | |
729 | ||
730 | /* For Smart Fan I / Thermal Cruise */ | |
731 | static ssize_t | |
732 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
733 | char *buf) | |
734 | { | |
735 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
736 | int nr = sensor_attr->index; | |
737 | struct w83792d_data *data = w83792d_update_device(dev); | |
738 | return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); | |
739 | } | |
740 | ||
741 | static ssize_t | |
742 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, | |
743 | const char *buf, size_t count) | |
744 | { | |
745 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
746 | int nr = sensor_attr->index - 1; | |
747 | struct i2c_client *client = to_i2c_client(dev); | |
748 | struct w83792d_data *data = i2c_get_clientdata(client); | |
749 | u32 val; | |
750 | u8 target_tmp=0, target_mask=0; | |
751 | ||
752 | val = simple_strtoul(buf, NULL, 10); | |
753 | target_tmp = val; | |
754 | target_tmp = target_tmp & 0x7f; | |
755 | mutex_lock(&data->update_lock); | |
756 | target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; | |
757 | data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); | |
758 | w83792d_write_value(client, W83792D_REG_THERMAL[nr], | |
759 | (data->thermal_cruise[nr]) | target_mask); | |
760 | mutex_unlock(&data->update_lock); | |
761 | ||
762 | return count; | |
763 | } | |
764 | ||
765 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ | |
766 | static ssize_t | |
767 | show_tolerance(struct device *dev, struct device_attribute *attr, | |
768 | char *buf) | |
769 | { | |
770 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
771 | int nr = sensor_attr->index; | |
772 | struct w83792d_data *data = w83792d_update_device(dev); | |
773 | return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); | |
774 | } | |
775 | ||
776 | static ssize_t | |
777 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
778 | const char *buf, size_t count) | |
779 | { | |
780 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
781 | int nr = sensor_attr->index - 1; | |
782 | struct i2c_client *client = to_i2c_client(dev); | |
783 | struct w83792d_data *data = i2c_get_clientdata(client); | |
784 | u32 val; | |
785 | u8 tol_tmp, tol_mask; | |
786 | ||
787 | val = simple_strtoul(buf, NULL, 10); | |
788 | mutex_lock(&data->update_lock); | |
789 | tol_mask = w83792d_read_value(client, | |
790 | W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); | |
791 | tol_tmp = SENSORS_LIMIT(val, 0, 15); | |
792 | tol_tmp &= 0x0f; | |
793 | data->tolerance[nr] = tol_tmp; | |
794 | if (nr == 1) { | |
795 | tol_tmp <<= 4; | |
796 | } | |
797 | w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], | |
798 | tol_mask | tol_tmp); | |
799 | mutex_unlock(&data->update_lock); | |
800 | ||
801 | return count; | |
802 | } | |
803 | ||
804 | /* For Smart Fan II */ | |
805 | static ssize_t | |
806 | show_sf2_point(struct device *dev, struct device_attribute *attr, | |
807 | char *buf) | |
808 | { | |
809 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
810 | int nr = sensor_attr->nr; | |
811 | int index = sensor_attr->index; | |
812 | struct w83792d_data *data = w83792d_update_device(dev); | |
813 | return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); | |
814 | } | |
815 | ||
816 | static ssize_t | |
817 | store_sf2_point(struct device *dev, struct device_attribute *attr, | |
818 | const char *buf, size_t count) | |
819 | { | |
820 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
821 | int nr = sensor_attr->nr - 1; | |
822 | int index = sensor_attr->index - 1; | |
823 | struct i2c_client *client = to_i2c_client(dev); | |
824 | struct w83792d_data *data = i2c_get_clientdata(client); | |
825 | u32 val; | |
826 | u8 mask_tmp = 0; | |
827 | ||
828 | val = simple_strtoul(buf, NULL, 10); | |
829 | mutex_lock(&data->update_lock); | |
830 | data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); | |
831 | mask_tmp = w83792d_read_value(client, | |
832 | W83792D_REG_POINTS[index][nr]) & 0x80; | |
833 | w83792d_write_value(client, W83792D_REG_POINTS[index][nr], | |
834 | mask_tmp|data->sf2_points[index][nr]); | |
835 | mutex_unlock(&data->update_lock); | |
836 | ||
837 | return count; | |
838 | } | |
839 | ||
840 | static ssize_t | |
841 | show_sf2_level(struct device *dev, struct device_attribute *attr, | |
842 | char *buf) | |
843 | { | |
844 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
845 | int nr = sensor_attr->nr; | |
846 | int index = sensor_attr->index; | |
847 | struct w83792d_data *data = w83792d_update_device(dev); | |
848 | return sprintf(buf, "%d\n", | |
849 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); | |
850 | } | |
851 | ||
852 | static ssize_t | |
853 | store_sf2_level(struct device *dev, struct device_attribute *attr, | |
854 | const char *buf, size_t count) | |
855 | { | |
856 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); | |
857 | int nr = sensor_attr->nr; | |
858 | int index = sensor_attr->index - 1; | |
859 | struct i2c_client *client = to_i2c_client(dev); | |
860 | struct w83792d_data *data = i2c_get_clientdata(client); | |
861 | u32 val; | |
862 | u8 mask_tmp=0, level_tmp=0; | |
863 | ||
864 | val = simple_strtoul(buf, NULL, 10); | |
865 | mutex_lock(&data->update_lock); | |
866 | data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); | |
867 | mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) | |
868 | & ((nr==3) ? 0xf0 : 0x0f); | |
869 | if (nr==3) { | |
870 | level_tmp = data->sf2_levels[index][nr]; | |
871 | } else { | |
872 | level_tmp = data->sf2_levels[index][nr] << 4; | |
873 | } | |
874 | w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); | |
875 | mutex_unlock(&data->update_lock); | |
876 | ||
877 | return count; | |
878 | } | |
879 | ||
880 | ||
881 | static int | |
882 | w83792d_detect_subclients(struct i2c_client *new_client) | |
883 | { | |
884 | int i, id, err; | |
885 | int address = new_client->addr; | |
886 | u8 val; | |
887 | struct i2c_adapter *adapter = new_client->adapter; | |
888 | struct w83792d_data *data = i2c_get_clientdata(new_client); | |
889 | ||
890 | id = i2c_adapter_id(adapter); | |
891 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
892 | for (i = 2; i <= 3; i++) { | |
893 | if (force_subclients[i] < 0x48 || | |
894 | force_subclients[i] > 0x4f) { | |
895 | dev_err(&new_client->dev, "invalid subclient " | |
896 | "address %d; must be 0x48-0x4f\n", | |
897 | force_subclients[i]); | |
898 | err = -ENODEV; | |
899 | goto ERROR_SC_0; | |
900 | } | |
901 | } | |
902 | w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, | |
903 | (force_subclients[2] & 0x07) | | |
904 | ((force_subclients[3] & 0x07) << 4)); | |
905 | } | |
906 | ||
907 | val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); | |
908 | if (!(val & 0x08)) { | |
909 | data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7)); | |
910 | } | |
911 | if (!(val & 0x80)) { | |
912 | if ((data->lm75[0] != NULL) && | |
913 | ((val & 0x7) == ((val >> 4) & 0x7))) { | |
914 | dev_err(&new_client->dev, "duplicate addresses 0x%x, " | |
915 | "use force_subclient\n", data->lm75[0]->addr); | |
916 | err = -ENODEV; | |
917 | goto ERROR_SC_1; | |
918 | } | |
919 | data->lm75[1] = i2c_new_dummy(adapter, | |
920 | 0x48 + ((val >> 4) & 0x7)); | |
921 | } | |
922 | ||
923 | return 0; | |
924 | ||
925 | /* Undo inits in case of errors */ | |
926 | ||
927 | ERROR_SC_1: | |
928 | if (data->lm75[0] != NULL) | |
929 | i2c_unregister_device(data->lm75[0]); | |
930 | ERROR_SC_0: | |
931 | return err; | |
932 | } | |
933 | ||
934 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); | |
935 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); | |
936 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); | |
937 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); | |
938 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); | |
939 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); | |
940 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); | |
941 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); | |
942 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); | |
943 | static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, | |
944 | show_in_min, store_in_min, 0); | |
945 | static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, | |
946 | show_in_min, store_in_min, 1); | |
947 | static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, | |
948 | show_in_min, store_in_min, 2); | |
949 | static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, | |
950 | show_in_min, store_in_min, 3); | |
951 | static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, | |
952 | show_in_min, store_in_min, 4); | |
953 | static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, | |
954 | show_in_min, store_in_min, 5); | |
955 | static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, | |
956 | show_in_min, store_in_min, 6); | |
957 | static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, | |
958 | show_in_min, store_in_min, 7); | |
959 | static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, | |
960 | show_in_min, store_in_min, 8); | |
961 | static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, | |
962 | show_in_max, store_in_max, 0); | |
963 | static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, | |
964 | show_in_max, store_in_max, 1); | |
965 | static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, | |
966 | show_in_max, store_in_max, 2); | |
967 | static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, | |
968 | show_in_max, store_in_max, 3); | |
969 | static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, | |
970 | show_in_max, store_in_max, 4); | |
971 | static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, | |
972 | show_in_max, store_in_max, 5); | |
973 | static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, | |
974 | show_in_max, store_in_max, 6); | |
975 | static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, | |
976 | show_in_max, store_in_max, 7); | |
977 | static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, | |
978 | show_in_max, store_in_max, 8); | |
979 | static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0); | |
980 | static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0); | |
981 | static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0); | |
982 | static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, | |
983 | show_temp1, store_temp1, 0, 1); | |
984 | static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, | |
985 | store_temp23, 0, 2); | |
986 | static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, | |
987 | store_temp23, 1, 2); | |
988 | static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
989 | show_temp1, store_temp1, 0, 2); | |
990 | static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
991 | show_temp23, store_temp23, 0, 4); | |
992 | static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, | |
993 | show_temp23, store_temp23, 1, 4); | |
994 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
995 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); | |
996 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); | |
997 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2); | |
998 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3); | |
999 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4); | |
1000 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5); | |
1001 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6); | |
1002 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7); | |
1003 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8); | |
1004 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9); | |
1005 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10); | |
1006 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11); | |
1007 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12); | |
1008 | static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15); | |
1009 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19); | |
1010 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20); | |
1011 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21); | |
1012 | static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22); | |
1013 | static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23); | |
1014 | static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); | |
1015 | static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, | |
1016 | show_chassis_clear, store_chassis_clear); | |
1017 | static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); | |
1018 | static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); | |
1019 | static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2); | |
1020 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
1021 | show_pwmenable, store_pwmenable, 1); | |
1022 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, | |
1023 | show_pwmenable, store_pwmenable, 2); | |
1024 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, | |
1025 | show_pwmenable, store_pwmenable, 3); | |
1026 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, | |
1027 | show_pwm_mode, store_pwm_mode, 0); | |
1028 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, | |
1029 | show_pwm_mode, store_pwm_mode, 1); | |
1030 | static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, | |
1031 | show_pwm_mode, store_pwm_mode, 2); | |
1032 | static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO, | |
1033 | show_tolerance, store_tolerance, 1); | |
1034 | static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO, | |
1035 | show_tolerance, store_tolerance, 2); | |
1036 | static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO, | |
1037 | show_tolerance, store_tolerance, 3); | |
1038 | static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, | |
1039 | show_thermal_cruise, store_thermal_cruise, 1); | |
1040 | static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, | |
1041 | show_thermal_cruise, store_thermal_cruise, 2); | |
1042 | static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, | |
1043 | show_thermal_cruise, store_thermal_cruise, 3); | |
1044 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, | |
1045 | show_sf2_point, store_sf2_point, 1, 1); | |
1046 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, | |
1047 | show_sf2_point, store_sf2_point, 2, 1); | |
1048 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, | |
1049 | show_sf2_point, store_sf2_point, 3, 1); | |
1050 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, | |
1051 | show_sf2_point, store_sf2_point, 4, 1); | |
1052 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, | |
1053 | show_sf2_point, store_sf2_point, 1, 2); | |
1054 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, | |
1055 | show_sf2_point, store_sf2_point, 2, 2); | |
1056 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, | |
1057 | show_sf2_point, store_sf2_point, 3, 2); | |
1058 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, | |
1059 | show_sf2_point, store_sf2_point, 4, 2); | |
1060 | static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, | |
1061 | show_sf2_point, store_sf2_point, 1, 3); | |
1062 | static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, | |
1063 | show_sf2_point, store_sf2_point, 2, 3); | |
1064 | static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, | |
1065 | show_sf2_point, store_sf2_point, 3, 3); | |
1066 | static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, | |
1067 | show_sf2_point, store_sf2_point, 4, 3); | |
1068 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, | |
1069 | show_sf2_level, store_sf2_level, 1, 1); | |
1070 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, | |
1071 | show_sf2_level, store_sf2_level, 2, 1); | |
1072 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, | |
1073 | show_sf2_level, store_sf2_level, 3, 1); | |
1074 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, | |
1075 | show_sf2_level, store_sf2_level, 1, 2); | |
1076 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, | |
1077 | show_sf2_level, store_sf2_level, 2, 2); | |
1078 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, | |
1079 | show_sf2_level, store_sf2_level, 3, 2); | |
1080 | static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, | |
1081 | show_sf2_level, store_sf2_level, 1, 3); | |
1082 | static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, | |
1083 | show_sf2_level, store_sf2_level, 2, 3); | |
1084 | static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, | |
1085 | show_sf2_level, store_sf2_level, 3, 3); | |
1086 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1); | |
1087 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2); | |
1088 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3); | |
1089 | static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4); | |
1090 | static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5); | |
1091 | static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6); | |
1092 | static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7); | |
1093 | static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, | |
1094 | show_fan_min, store_fan_min, 1); | |
1095 | static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, | |
1096 | show_fan_min, store_fan_min, 2); | |
1097 | static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, | |
1098 | show_fan_min, store_fan_min, 3); | |
1099 | static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, | |
1100 | show_fan_min, store_fan_min, 4); | |
1101 | static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, | |
1102 | show_fan_min, store_fan_min, 5); | |
1103 | static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, | |
1104 | show_fan_min, store_fan_min, 6); | |
1105 | static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, | |
1106 | show_fan_min, store_fan_min, 7); | |
1107 | static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, | |
1108 | show_fan_div, store_fan_div, 1); | |
1109 | static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, | |
1110 | show_fan_div, store_fan_div, 2); | |
1111 | static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO, | |
1112 | show_fan_div, store_fan_div, 3); | |
1113 | static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO, | |
1114 | show_fan_div, store_fan_div, 4); | |
1115 | static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO, | |
1116 | show_fan_div, store_fan_div, 5); | |
1117 | static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO, | |
1118 | show_fan_div, store_fan_div, 6); | |
1119 | static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO, | |
1120 | show_fan_div, store_fan_div, 7); | |
1121 | ||
1122 | static struct attribute *w83792d_attributes_fan[4][5] = { | |
1123 | { | |
1124 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1125 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1126 | &sensor_dev_attr_fan4_div.dev_attr.attr, | |
1127 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
1128 | NULL | |
1129 | }, { | |
1130 | &sensor_dev_attr_fan5_input.dev_attr.attr, | |
1131 | &sensor_dev_attr_fan5_min.dev_attr.attr, | |
1132 | &sensor_dev_attr_fan5_div.dev_attr.attr, | |
1133 | &sensor_dev_attr_fan5_alarm.dev_attr.attr, | |
1134 | NULL | |
1135 | }, { | |
1136 | &sensor_dev_attr_fan6_input.dev_attr.attr, | |
1137 | &sensor_dev_attr_fan6_min.dev_attr.attr, | |
1138 | &sensor_dev_attr_fan6_div.dev_attr.attr, | |
1139 | &sensor_dev_attr_fan6_alarm.dev_attr.attr, | |
1140 | NULL | |
1141 | }, { | |
1142 | &sensor_dev_attr_fan7_input.dev_attr.attr, | |
1143 | &sensor_dev_attr_fan7_min.dev_attr.attr, | |
1144 | &sensor_dev_attr_fan7_div.dev_attr.attr, | |
1145 | &sensor_dev_attr_fan7_alarm.dev_attr.attr, | |
1146 | NULL | |
1147 | } | |
1148 | }; | |
1149 | ||
1150 | static const struct attribute_group w83792d_group_fan[4] = { | |
1151 | { .attrs = w83792d_attributes_fan[0] }, | |
1152 | { .attrs = w83792d_attributes_fan[1] }, | |
1153 | { .attrs = w83792d_attributes_fan[2] }, | |
1154 | { .attrs = w83792d_attributes_fan[3] }, | |
1155 | }; | |
1156 | ||
1157 | static struct attribute *w83792d_attributes[] = { | |
1158 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
1159 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1160 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1161 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1162 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1163 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1164 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1165 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1166 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1167 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
1168 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1169 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1170 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
1171 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1172 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1173 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
1174 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1175 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1176 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
1177 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1178 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
1179 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
1180 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
1181 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
1182 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
1183 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
1184 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
1185 | &sensor_dev_attr_in0_alarm.dev_attr.attr, | |
1186 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1187 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1188 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
1189 | &sensor_dev_attr_in4_alarm.dev_attr.attr, | |
1190 | &sensor_dev_attr_in5_alarm.dev_attr.attr, | |
1191 | &sensor_dev_attr_in6_alarm.dev_attr.attr, | |
1192 | &sensor_dev_attr_in7_alarm.dev_attr.attr, | |
1193 | &sensor_dev_attr_in8_alarm.dev_attr.attr, | |
1194 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1195 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1196 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
1197 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1198 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1199 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
1200 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1201 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1202 | &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, | |
1203 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
1204 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1205 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1206 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
1207 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
1208 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1209 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1210 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | |
1211 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1212 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
1213 | &sensor_dev_attr_pwm3_mode.dev_attr.attr, | |
1214 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
1215 | &dev_attr_alarms.attr, | |
1216 | &dev_attr_chassis.attr, | |
1217 | &dev_attr_chassis_clear.attr, | |
1218 | &sensor_dev_attr_tolerance1.dev_attr.attr, | |
1219 | &sensor_dev_attr_thermal_cruise1.dev_attr.attr, | |
1220 | &sensor_dev_attr_tolerance2.dev_attr.attr, | |
1221 | &sensor_dev_attr_thermal_cruise2.dev_attr.attr, | |
1222 | &sensor_dev_attr_tolerance3.dev_attr.attr, | |
1223 | &sensor_dev_attr_thermal_cruise3.dev_attr.attr, | |
1224 | &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr, | |
1225 | &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr, | |
1226 | &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr, | |
1227 | &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr, | |
1228 | &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr, | |
1229 | &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr, | |
1230 | &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr, | |
1231 | &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr, | |
1232 | &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr, | |
1233 | &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr, | |
1234 | &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr, | |
1235 | &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr, | |
1236 | &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr, | |
1237 | &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr, | |
1238 | &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr, | |
1239 | &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr, | |
1240 | &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr, | |
1241 | &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr, | |
1242 | &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr, | |
1243 | &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr, | |
1244 | &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr, | |
1245 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
1246 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1247 | &sensor_dev_attr_fan1_div.dev_attr.attr, | |
1248 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
1249 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1250 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1251 | &sensor_dev_attr_fan2_div.dev_attr.attr, | |
1252 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1253 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1254 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1255 | &sensor_dev_attr_fan3_div.dev_attr.attr, | |
1256 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1257 | NULL | |
1258 | }; | |
1259 | ||
1260 | static const struct attribute_group w83792d_group = { | |
1261 | .attrs = w83792d_attributes, | |
1262 | }; | |
1263 | ||
1264 | /* Return 0 if detection is successful, -ENODEV otherwise */ | |
1265 | static int | |
1266 | w83792d_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) | |
1267 | { | |
1268 | struct i2c_adapter *adapter = client->adapter; | |
1269 | int val1, val2; | |
1270 | unsigned short address = client->addr; | |
1271 | ||
1272 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
1273 | return -ENODEV; | |
1274 | } | |
1275 | ||
1276 | /* The w83792d may be stuck in some other bank than bank 0. This may | |
1277 | make reading other information impossible. Specify a force=... or | |
1278 | force_*=... parameter, and the Winbond will be reset to the right | |
1279 | bank. */ | |
1280 | if (kind < 0) { | |
1281 | if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { | |
1282 | return -ENODEV; | |
1283 | } | |
1284 | val1 = w83792d_read_value(client, W83792D_REG_BANK); | |
1285 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); | |
1286 | /* Check for Winbond ID if in bank 0 */ | |
1287 | if (!(val1 & 0x07)) { /* is Bank0 */ | |
1288 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || | |
1289 | ((val1 & 0x80) && (val2 != 0x5c))) { | |
1290 | return -ENODEV; | |
1291 | } | |
1292 | } | |
1293 | /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR | |
1294 | should match */ | |
1295 | if (w83792d_read_value(client, | |
1296 | W83792D_REG_I2C_ADDR) != address) { | |
1297 | return -ENODEV; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* We have either had a force parameter, or we have already detected the | |
1302 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ | |
1303 | w83792d_write_value(client, | |
1304 | W83792D_REG_BANK, | |
1305 | (w83792d_read_value(client, | |
1306 | W83792D_REG_BANK) & 0x78) | 0x80); | |
1307 | ||
1308 | /* Determine the chip type. */ | |
1309 | if (kind <= 0) { | |
1310 | /* get vendor ID */ | |
1311 | val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); | |
1312 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ | |
1313 | return -ENODEV; | |
1314 | } | |
1315 | val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); | |
1316 | if (val1 == 0x7a) { | |
1317 | kind = w83792d; | |
1318 | } else { | |
1319 | if (kind == 0) | |
1320 | dev_warn(&adapter->dev, | |
1321 | "w83792d: Ignoring 'force' parameter for" | |
1322 | " unknown chip at adapter %d, address" | |
1323 | " 0x%02x\n", i2c_adapter_id(adapter), | |
1324 | address); | |
1325 | return -ENODEV; | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | strlcpy(info->type, "w83792d", I2C_NAME_SIZE); | |
1330 | ||
1331 | return 0; | |
1332 | } | |
1333 | ||
1334 | static int | |
1335 | w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1336 | { | |
1337 | struct w83792d_data *data; | |
1338 | struct device *dev = &client->dev; | |
1339 | int i, val1, err; | |
1340 | ||
1341 | data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL); | |
1342 | if (!data) { | |
1343 | err = -ENOMEM; | |
1344 | goto ERROR0; | |
1345 | } | |
1346 | ||
1347 | i2c_set_clientdata(client, data); | |
1348 | data->valid = 0; | |
1349 | mutex_init(&data->update_lock); | |
1350 | ||
1351 | err = w83792d_detect_subclients(client); | |
1352 | if (err) | |
1353 | goto ERROR1; | |
1354 | ||
1355 | /* Initialize the chip */ | |
1356 | w83792d_init_client(client); | |
1357 | ||
1358 | /* A few vars need to be filled upon startup */ | |
1359 | for (i = 0; i < 7; i++) { | |
1360 | data->fan_min[i] = w83792d_read_value(client, | |
1361 | W83792D_REG_FAN_MIN[i]); | |
1362 | } | |
1363 | ||
1364 | /* Register sysfs hooks */ | |
1365 | if ((err = sysfs_create_group(&dev->kobj, &w83792d_group))) | |
1366 | goto ERROR3; | |
1367 | ||
1368 | /* Read GPIO enable register to check if pins for fan 4,5 are used as | |
1369 | GPIO */ | |
1370 | val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); | |
1371 | ||
1372 | if (!(val1 & 0x40)) | |
1373 | if ((err = sysfs_create_group(&dev->kobj, | |
1374 | &w83792d_group_fan[0]))) | |
1375 | goto exit_remove_files; | |
1376 | ||
1377 | if (!(val1 & 0x20)) | |
1378 | if ((err = sysfs_create_group(&dev->kobj, | |
1379 | &w83792d_group_fan[1]))) | |
1380 | goto exit_remove_files; | |
1381 | ||
1382 | val1 = w83792d_read_value(client, W83792D_REG_PIN); | |
1383 | if (val1 & 0x40) | |
1384 | if ((err = sysfs_create_group(&dev->kobj, | |
1385 | &w83792d_group_fan[2]))) | |
1386 | goto exit_remove_files; | |
1387 | ||
1388 | if (val1 & 0x04) | |
1389 | if ((err = sysfs_create_group(&dev->kobj, | |
1390 | &w83792d_group_fan[3]))) | |
1391 | goto exit_remove_files; | |
1392 | ||
1393 | data->hwmon_dev = hwmon_device_register(dev); | |
1394 | if (IS_ERR(data->hwmon_dev)) { | |
1395 | err = PTR_ERR(data->hwmon_dev); | |
1396 | goto exit_remove_files; | |
1397 | } | |
1398 | ||
1399 | return 0; | |
1400 | ||
1401 | exit_remove_files: | |
1402 | sysfs_remove_group(&dev->kobj, &w83792d_group); | |
1403 | for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) | |
1404 | sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]); | |
1405 | ERROR3: | |
1406 | if (data->lm75[0] != NULL) | |
1407 | i2c_unregister_device(data->lm75[0]); | |
1408 | if (data->lm75[1] != NULL) | |
1409 | i2c_unregister_device(data->lm75[1]); | |
1410 | ERROR1: | |
1411 | kfree(data); | |
1412 | ERROR0: | |
1413 | return err; | |
1414 | } | |
1415 | ||
1416 | static int | |
1417 | w83792d_remove(struct i2c_client *client) | |
1418 | { | |
1419 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1420 | int i; | |
1421 | ||
1422 | hwmon_device_unregister(data->hwmon_dev); | |
1423 | sysfs_remove_group(&client->dev.kobj, &w83792d_group); | |
1424 | for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) | |
1425 | sysfs_remove_group(&client->dev.kobj, | |
1426 | &w83792d_group_fan[i]); | |
1427 | ||
1428 | if (data->lm75[0] != NULL) | |
1429 | i2c_unregister_device(data->lm75[0]); | |
1430 | if (data->lm75[1] != NULL) | |
1431 | i2c_unregister_device(data->lm75[1]); | |
1432 | ||
1433 | kfree(data); | |
1434 | return 0; | |
1435 | } | |
1436 | ||
1437 | static void | |
1438 | w83792d_init_client(struct i2c_client *client) | |
1439 | { | |
1440 | u8 temp2_cfg, temp3_cfg, vid_in_b; | |
1441 | ||
1442 | if (init) { | |
1443 | w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); | |
1444 | } | |
1445 | /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): | |
1446 | W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of | |
1447 | vin0/vin1 can be modified by user; | |
1448 | W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of | |
1449 | vin0/vin1 auto-updated, can NOT be modified by user. */ | |
1450 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); | |
1451 | w83792d_write_value(client, W83792D_REG_VID_IN_B, | |
1452 | vid_in_b & 0xbf); | |
1453 | ||
1454 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); | |
1455 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); | |
1456 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, | |
1457 | temp2_cfg & 0xe6); | |
1458 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, | |
1459 | temp3_cfg & 0xe6); | |
1460 | ||
1461 | /* Start monitoring */ | |
1462 | w83792d_write_value(client, W83792D_REG_CONFIG, | |
1463 | (w83792d_read_value(client, | |
1464 | W83792D_REG_CONFIG) & 0xf7) | |
1465 | | 0x01); | |
1466 | } | |
1467 | ||
1468 | static struct w83792d_data *w83792d_update_device(struct device *dev) | |
1469 | { | |
1470 | struct i2c_client *client = to_i2c_client(dev); | |
1471 | struct w83792d_data *data = i2c_get_clientdata(client); | |
1472 | int i, j; | |
1473 | u8 reg_array_tmp[4], reg_tmp; | |
1474 | ||
1475 | mutex_lock(&data->update_lock); | |
1476 | ||
1477 | if (time_after | |
1478 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) | |
1479 | || time_before(jiffies, data->last_updated) || !data->valid) { | |
1480 | dev_dbg(dev, "Starting device update\n"); | |
1481 | ||
1482 | /* Update the voltages measured value and limits */ | |
1483 | for (i = 0; i < 9; i++) { | |
1484 | data->in[i] = w83792d_read_value(client, | |
1485 | W83792D_REG_IN[i]); | |
1486 | data->in_max[i] = w83792d_read_value(client, | |
1487 | W83792D_REG_IN_MAX[i]); | |
1488 | data->in_min[i] = w83792d_read_value(client, | |
1489 | W83792D_REG_IN_MIN[i]); | |
1490 | } | |
1491 | data->low_bits = w83792d_read_value(client, | |
1492 | W83792D_REG_LOW_BITS1) + | |
1493 | (w83792d_read_value(client, | |
1494 | W83792D_REG_LOW_BITS2) << 8); | |
1495 | for (i = 0; i < 7; i++) { | |
1496 | /* Update the Fan measured value and limits */ | |
1497 | data->fan[i] = w83792d_read_value(client, | |
1498 | W83792D_REG_FAN[i]); | |
1499 | data->fan_min[i] = w83792d_read_value(client, | |
1500 | W83792D_REG_FAN_MIN[i]); | |
1501 | /* Update the PWM/DC Value and PWM/DC flag */ | |
1502 | data->pwm[i] = w83792d_read_value(client, | |
1503 | W83792D_REG_PWM[i]); | |
1504 | } | |
1505 | ||
1506 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); | |
1507 | data->pwmenable[0] = reg_tmp & 0x03; | |
1508 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; | |
1509 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; | |
1510 | ||
1511 | for (i = 0; i < 3; i++) { | |
1512 | data->temp1[i] = w83792d_read_value(client, | |
1513 | W83792D_REG_TEMP1[i]); | |
1514 | } | |
1515 | for (i = 0; i < 2; i++) { | |
1516 | for (j = 0; j < 6; j++) { | |
1517 | data->temp_add[i][j] = w83792d_read_value( | |
1518 | client,W83792D_REG_TEMP_ADD[i][j]); | |
1519 | } | |
1520 | } | |
1521 | ||
1522 | /* Update the Fan Divisor */ | |
1523 | for (i = 0; i < 4; i++) { | |
1524 | reg_array_tmp[i] = w83792d_read_value(client, | |
1525 | W83792D_REG_FAN_DIV[i]); | |
1526 | } | |
1527 | data->fan_div[0] = reg_array_tmp[0] & 0x07; | |
1528 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; | |
1529 | data->fan_div[2] = reg_array_tmp[1] & 0x07; | |
1530 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; | |
1531 | data->fan_div[4] = reg_array_tmp[2] & 0x07; | |
1532 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; | |
1533 | data->fan_div[6] = reg_array_tmp[3] & 0x07; | |
1534 | ||
1535 | /* Update the realtime status */ | |
1536 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + | |
1537 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + | |
1538 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); | |
1539 | ||
1540 | /* Update CaseOpen status and it's CLR_CHS. */ | |
1541 | data->chassis = (w83792d_read_value(client, | |
1542 | W83792D_REG_CHASSIS) >> 5) & 0x01; | |
1543 | data->chassis_clear = (w83792d_read_value(client, | |
1544 | W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; | |
1545 | ||
1546 | /* Update Thermal Cruise/Smart Fan I target value */ | |
1547 | for (i = 0; i < 3; i++) { | |
1548 | data->thermal_cruise[i] = | |
1549 | w83792d_read_value(client, | |
1550 | W83792D_REG_THERMAL[i]) & 0x7f; | |
1551 | } | |
1552 | ||
1553 | /* Update Smart Fan I/II tolerance */ | |
1554 | reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); | |
1555 | data->tolerance[0] = reg_tmp & 0x0f; | |
1556 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; | |
1557 | data->tolerance[2] = w83792d_read_value(client, | |
1558 | W83792D_REG_TOLERANCE[2]) & 0x0f; | |
1559 | ||
1560 | /* Update Smart Fan II temperature points */ | |
1561 | for (i = 0; i < 3; i++) { | |
1562 | for (j = 0; j < 4; j++) { | |
1563 | data->sf2_points[i][j] = w83792d_read_value( | |
1564 | client,W83792D_REG_POINTS[i][j]) & 0x7f; | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | /* Update Smart Fan II duty cycle levels */ | |
1569 | for (i = 0; i < 3; i++) { | |
1570 | reg_tmp = w83792d_read_value(client, | |
1571 | W83792D_REG_LEVELS[i][0]); | |
1572 | data->sf2_levels[i][0] = reg_tmp & 0x0f; | |
1573 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; | |
1574 | reg_tmp = w83792d_read_value(client, | |
1575 | W83792D_REG_LEVELS[i][2]); | |
1576 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; | |
1577 | data->sf2_levels[i][3] = reg_tmp & 0x0f; | |
1578 | } | |
1579 | ||
1580 | data->last_updated = jiffies; | |
1581 | data->valid = 1; | |
1582 | } | |
1583 | ||
1584 | mutex_unlock(&data->update_lock); | |
1585 | ||
1586 | #ifdef DEBUG | |
1587 | w83792d_print_debug(data, dev); | |
1588 | #endif | |
1589 | ||
1590 | return data; | |
1591 | } | |
1592 | ||
1593 | #ifdef DEBUG | |
1594 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) | |
1595 | { | |
1596 | int i=0, j=0; | |
1597 | dev_dbg(dev, "==========The following is the debug message...========\n"); | |
1598 | dev_dbg(dev, "9 set of Voltages: =====>\n"); | |
1599 | for (i=0; i<9; i++) { | |
1600 | dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); | |
1601 | dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); | |
1602 | dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); | |
1603 | } | |
1604 | dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); | |
1605 | dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); | |
1606 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); | |
1607 | for (i=0; i<7; i++) { | |
1608 | dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); | |
1609 | dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); | |
1610 | dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); | |
1611 | } | |
1612 | dev_dbg(dev, "3 set of Temperatures: =====>\n"); | |
1613 | for (i=0; i<3; i++) { | |
1614 | dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); | |
1615 | } | |
1616 | ||
1617 | for (i=0; i<2; i++) { | |
1618 | for (j=0; j<6; j++) { | |
1619 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, | |
1620 | data->temp_add[i][j]); | |
1621 | } | |
1622 | } | |
1623 | ||
1624 | for (i=0; i<7; i++) { | |
1625 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); | |
1626 | } | |
1627 | dev_dbg(dev, "==========End of the debug message...==================\n"); | |
1628 | dev_dbg(dev, "\n"); | |
1629 | } | |
1630 | #endif | |
1631 | ||
1632 | static int __init | |
1633 | sensors_w83792d_init(void) | |
1634 | { | |
1635 | return i2c_add_driver(&w83792d_driver); | |
1636 | } | |
1637 | ||
1638 | static void __exit | |
1639 | sensors_w83792d_exit(void) | |
1640 | { | |
1641 | i2c_del_driver(&w83792d_driver); | |
1642 | } | |
1643 | ||
1644 | MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); | |
1645 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); | |
1646 | MODULE_LICENSE("GPL"); | |
1647 | ||
1648 | module_init(sensors_w83792d_init); | |
1649 | module_exit(sensors_w83792d_exit); | |
1650 |