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[IA64] Add mca recovery failure messages
[linux-2.6/linux-loongson.git] / drivers / hwmon / w83792d.c
blob958602e284124dbef22e18581c302f1f35334c9a
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@sh.cvut.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/config.h>
39 #include <linux/module.h>
40 #include <linux/init.h>
41 #include <linux/slab.h>
42 #include <linux/i2c.h>
43 #include <linux/hwmon.h>
44 #include <linux/hwmon-sysfs.h>
45 #include <linux/err.h>
46 #include <linux/mutex.h>
47
48 /* Addresses to scan */
49 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
50
51 /* Insmod parameters */
52 I2C_CLIENT_INSMOD_1(w83792d);
53 I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
54 "{bus, clientaddr, subclientaddr1, subclientaddr2}");
55
56 static int init;
57 module_param(init, bool, 0);
58 MODULE_PARM_DESC(init, "Set to one to force chip initialization");
59
60 /* The W83792D registers */
61 static const u8 W83792D_REG_IN[9] = {
62 0x20, /* Vcore A in DataSheet */
63 0x21, /* Vcore B in DataSheet */
64 0x22, /* VIN0 in DataSheet */
65 0x23, /* VIN1 in DataSheet */
66 0x24, /* VIN2 in DataSheet */
67 0x25, /* VIN3 in DataSheet */
68 0x26, /* 5VCC in DataSheet */
69 0xB0, /* 5VSB in DataSheet */
70 0xB1 /* VBAT in DataSheet */
71 };
72 #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */
73 #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */
74 static const u8 W83792D_REG_IN_MAX[9] = {
75 0x2B, /* Vcore A High Limit in DataSheet */
76 0x2D, /* Vcore B High Limit in DataSheet */
77 0x2F, /* VIN0 High Limit in DataSheet */
78 0x31, /* VIN1 High Limit in DataSheet */
79 0x33, /* VIN2 High Limit in DataSheet */
80 0x35, /* VIN3 High Limit in DataSheet */
81 0x37, /* 5VCC High Limit in DataSheet */
82 0xB4, /* 5VSB High Limit in DataSheet */
83 0xB6 /* VBAT High Limit in DataSheet */
84 };
85 static const u8 W83792D_REG_IN_MIN[9] = {
86 0x2C, /* Vcore A Low Limit in DataSheet */
87 0x2E, /* Vcore B Low Limit in DataSheet */
88 0x30, /* VIN0 Low Limit in DataSheet */
89 0x32, /* VIN1 Low Limit in DataSheet */
90 0x34, /* VIN2 Low Limit in DataSheet */
91 0x36, /* VIN3 Low Limit in DataSheet */
92 0x38, /* 5VCC Low Limit in DataSheet */
93 0xB5, /* 5VSB Low Limit in DataSheet */
94 0xB7 /* VBAT Low Limit in DataSheet */
95 };
96 static const u8 W83792D_REG_FAN[7] = {
97 0x28, /* FAN 1 Count in DataSheet */
98 0x29, /* FAN 2 Count in DataSheet */
99 0x2A, /* FAN 3 Count in DataSheet */
100 0xB8, /* FAN 4 Count in DataSheet */
101 0xB9, /* FAN 5 Count in DataSheet */
102 0xBA, /* FAN 6 Count in DataSheet */
103 0xBE /* FAN 7 Count in DataSheet */
104 };
105 static const u8 W83792D_REG_FAN_MIN[7] = {
106 0x3B, /* FAN 1 Count Low Limit in DataSheet */
107 0x3C, /* FAN 2 Count Low Limit in DataSheet */
108 0x3D, /* FAN 3 Count Low Limit in DataSheet */
109 0xBB, /* FAN 4 Count Low Limit in DataSheet */
110 0xBC, /* FAN 5 Count Low Limit in DataSheet */
111 0xBD, /* FAN 6 Count Low Limit in DataSheet */
112 0xBF /* FAN 7 Count Low Limit in DataSheet */
113 };
114 #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */
115 static const u8 W83792D_REG_FAN_DIV[4] = {
116 0x47, /* contains FAN2 and FAN1 Divisor */
117 0x5B, /* contains FAN4 and FAN3 Divisor */
118 0x5C, /* contains FAN6 and FAN5 Divisor */
119 0x9E /* contains FAN7 Divisor. */
120 };
121 static const u8 W83792D_REG_PWM[7] = {
122 0x81, /* FAN 1 Duty Cycle, be used to control */
123 0x83, /* FAN 2 Duty Cycle, be used to control */
124 0x94, /* FAN 3 Duty Cycle, be used to control */
125 0xA3, /* FAN 4 Duty Cycle, be used to control */
126 0xA4, /* FAN 5 Duty Cycle, be used to control */
127 0xA5, /* FAN 6 Duty Cycle, be used to control */
128 0xA6 /* FAN 7 Duty Cycle, be used to control */
129 };
130 #define W83792D_REG_BANK 0x4E
131 #define W83792D_REG_TEMP2_CONFIG 0xC2
132 #define W83792D_REG_TEMP3_CONFIG 0xCA
133
134 static const u8 W83792D_REG_TEMP1[3] = {
135 0x27, /* TEMP 1 in DataSheet */
136 0x39, /* TEMP 1 Over in DataSheet */
137 0x3A, /* TEMP 1 Hyst in DataSheet */
138 };
139
140 static const u8 W83792D_REG_TEMP_ADD[2][6] = {
141 { 0xC0, /* TEMP 2 in DataSheet */
142 0xC1, /* TEMP 2(0.5 deg) in DataSheet */
143 0xC5, /* TEMP 2 Over High part in DataSheet */
144 0xC6, /* TEMP 2 Over Low part in DataSheet */
145 0xC3, /* TEMP 2 Thyst High part in DataSheet */
146 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */
147 { 0xC8, /* TEMP 3 in DataSheet */
148 0xC9, /* TEMP 3(0.5 deg) in DataSheet */
149 0xCD, /* TEMP 3 Over High part in DataSheet */
150 0xCE, /* TEMP 3 Over Low part in DataSheet */
151 0xCB, /* TEMP 3 Thyst High part in DataSheet */
152 0xCC } /* TEMP 3 Thyst Low part in DataSheet */
153 };
154
155 static const u8 W83792D_REG_THERMAL[3] = {
156 0x85, /* SmartFanI: Fan1 target value */
157 0x86, /* SmartFanI: Fan2 target value */
158 0x96 /* SmartFanI: Fan3 target value */
159 };
160
161 static const u8 W83792D_REG_TOLERANCE[3] = {
162 0x87, /* (bit3-0)SmartFan Fan1 tolerance */
163 0x87, /* (bit7-4)SmartFan Fan2 tolerance */
164 0x97 /* (bit3-0)SmartFan Fan3 tolerance */
165 };
166
167 static const u8 W83792D_REG_POINTS[3][4] = {
168 { 0x85, /* SmartFanII: Fan1 temp point 1 */
169 0xE3, /* SmartFanII: Fan1 temp point 2 */
170 0xE4, /* SmartFanII: Fan1 temp point 3 */
171 0xE5 }, /* SmartFanII: Fan1 temp point 4 */
172 { 0x86, /* SmartFanII: Fan2 temp point 1 */
173 0xE6, /* SmartFanII: Fan2 temp point 2 */
174 0xE7, /* SmartFanII: Fan2 temp point 3 */
175 0xE8 }, /* SmartFanII: Fan2 temp point 4 */
176 { 0x96, /* SmartFanII: Fan3 temp point 1 */
177 0xE9, /* SmartFanII: Fan3 temp point 2 */
178 0xEA, /* SmartFanII: Fan3 temp point 3 */
179 0xEB } /* SmartFanII: Fan3 temp point 4 */
180 };
181
182 static const u8 W83792D_REG_LEVELS[3][4] = {
183 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */
184 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */
185 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */
186 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */
187 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */
188 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */
189 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */
190 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */
191 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */
192 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */
193 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */
194 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */
195 };
196
197 #define W83792D_REG_GPIO_EN 0x1A
198 #define W83792D_REG_CONFIG 0x40
199 #define W83792D_REG_VID_FANDIV 0x47
200 #define W83792D_REG_CHIPID 0x49
201 #define W83792D_REG_WCHIPID 0x58
202 #define W83792D_REG_CHIPMAN 0x4F
203 #define W83792D_REG_PIN 0x4B
204 #define W83792D_REG_I2C_SUBADDR 0x4A
205
206 #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */
207 #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */
208 #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */
209 #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */
210 #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */
211
212 /* control in0/in1 's limit modifiability */
213 #define W83792D_REG_VID_IN_B 0x17
214
215 #define W83792D_REG_VBAT 0x5D
216 #define W83792D_REG_I2C_ADDR 0x48
217
218 /* Conversions. Rounding and limit checking is only done on the TO_REG
219 variants. Note that you should be a bit careful with which arguments
220 these macros are called: arguments may be evaluated more than once.
221 Fixing this is just not worth it. */
222 #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \
223 ((((nr)==6)||((nr)==7))?(val*6):(val*4)))
224 #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \
225 ((((nr)==6)||((nr)==7))?(val/6):(val/4)))
226
227 static inline u8
228 FAN_TO_REG(long rpm, int div)
229 {
230 if (rpm == 0)
231 return 255;
232 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
233 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
234 }
235
236 #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \
237 ((val) == 255 ? 0 : \
238 1350000 / ((val) * (div))))
239
240 /* for temp1 */
241 #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
242 : (val)) / 1000, 0, 0xff))
243 #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
244 /* for temp2 and temp3, because they need addtional resolution */
245 #define TEMP_ADD_FROM_REG(val1, val2) \
246 ((((val1) & 0x80 ? (val1)-0x100 \
247 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0))
248 #define TEMP_ADD_TO_REG_HIGH(val) \
249 (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
250 : (val)) / 1000, 0, 0xff))
251 #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00)
252
253 #define PWM_FROM_REG(val) (val)
254 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
255 #define DIV_FROM_REG(val) (1 << (val))
256
257 static inline u8
258 DIV_TO_REG(long val)
259 {
260 int i;
261 val = SENSORS_LIMIT(val, 1, 128) >> 1;
262 for (i = 0; i < 7; i++) {
263 if (val == 0)
264 break;
265 val >>= 1;
266 }
267 return ((u8) i);
268 }
269
270 struct w83792d_data {
271 struct i2c_client client;
272 struct class_device *class_dev;
273 enum chips type;
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 u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */
295 u32 alarms; /* realtime status register encoding,combined */
296 u8 chassis; /* Chassis status */
297 u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */
298 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */
299 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */
300 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */
301 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */
302 };
303
304 static int w83792d_attach_adapter(struct i2c_adapter *adapter);
305 static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind);
306 static int w83792d_detach_client(struct i2c_client *client);
307 static struct w83792d_data *w83792d_update_device(struct device *dev);
308
309 #ifdef DEBUG
310 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev);
311 #endif
312
313 static void w83792d_init_client(struct i2c_client *client);
314
315 static struct i2c_driver w83792d_driver = {
316 .driver = {
317 .name = "w83792d",
318 },
319 .attach_adapter = w83792d_attach_adapter,
320 .detach_client = w83792d_detach_client,
321 };
322
323 static inline long in_count_from_reg(int nr, struct w83792d_data *data)
324 {
325 /* in7 and in8 do not have low bits, but the formula still works */
326 return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03));
327 }
328
329 /* The SMBus locks itself. The Winbond W83792D chip has a bank register,
330 but the driver only accesses registers in bank 0, so we don't have
331 to switch banks and lock access between switches. */
332 static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
333 {
334 return i2c_smbus_read_byte_data(client, reg);
335 }
336
337 static inline int
338 w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
339 {
340 return i2c_smbus_write_byte_data(client, reg, value);
341 }
342
343 /* following are the sysfs callback functions */
344 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
345 char *buf)
346 {
347 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
348 int nr = sensor_attr->index;
349 struct w83792d_data *data = w83792d_update_device(dev);
350 return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data))));
351 }
352
353 #define show_in_reg(reg) \
354 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
355 char *buf) \
356 { \
357 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
358 int nr = sensor_attr->index; \
359 struct w83792d_data *data = w83792d_update_device(dev); \
360 return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \
361 }
362
363 show_in_reg(in_min);
364 show_in_reg(in_max);
365
366 #define store_in_reg(REG, reg) \
367 static ssize_t store_in_##reg (struct device *dev, \
368 struct device_attribute *attr, \
369 const char *buf, size_t count) \
370 { \
371 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
372 int nr = sensor_attr->index; \
373 struct i2c_client *client = to_i2c_client(dev); \
374 struct w83792d_data *data = i2c_get_clientdata(client); \
375 u32 val; \
376 \
377 val = simple_strtoul(buf, NULL, 10); \
378 data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \
379 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \
380 \
381 return count; \
382 }
383 store_in_reg(MIN, min);
384 store_in_reg(MAX, max);
385
386 static struct sensor_device_attribute sda_in_input[] = {
387 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
388 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
389 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
390 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
391 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
392 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
393 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
394 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
395 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
396 };
397 static struct sensor_device_attribute sda_in_min[] = {
398 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
399 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
400 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
401 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
402 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
403 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
404 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
405 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
406 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
407 };
408 static struct sensor_device_attribute sda_in_max[] = {
409 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
410 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
411 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
412 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
413 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
414 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
415 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
416 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
417 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
418 };
419
420
421 #define show_fan_reg(reg) \
422 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
423 char *buf) \
424 { \
425 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
426 int nr = sensor_attr->index - 1; \
427 struct w83792d_data *data = w83792d_update_device(dev); \
428 return sprintf(buf,"%d\n", \
429 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
430 }
431
432 show_fan_reg(fan);
433 show_fan_reg(fan_min);
434
435 static ssize_t
436 store_fan_min(struct device *dev, struct device_attribute *attr,
437 const char *buf, size_t count)
438 {
439 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
440 int nr = sensor_attr->index - 1;
441 struct i2c_client *client = to_i2c_client(dev);
442 struct w83792d_data *data = i2c_get_clientdata(client);
443 u32 val;
444
445 val = simple_strtoul(buf, NULL, 10);
446 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
447 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
448 data->fan_min[nr]);
449
450 return count;
451 }
452
453 static ssize_t
454 show_fan_div(struct device *dev, struct device_attribute *attr,
455 char *buf)
456 {
457 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
458 int nr = sensor_attr->index;
459 struct w83792d_data *data = w83792d_update_device(dev);
460 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
461 }
462
463 /* Note: we save and restore the fan minimum here, because its value is
464 determined in part by the fan divisor. This follows the principle of
465 least suprise; the user doesn't expect the fan minimum to change just
466 because the divisor changed. */
467 static ssize_t
468 store_fan_div(struct device *dev, struct device_attribute *attr,
469 const char *buf, size_t count)
470 {
471 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
472 int nr = sensor_attr->index - 1;
473 struct i2c_client *client = to_i2c_client(dev);
474 struct w83792d_data *data = i2c_get_clientdata(client);
475 unsigned long min;
476 /*u8 reg;*/
477 u8 fan_div_reg = 0;
478 u8 tmp_fan_div;
479
480 /* Save fan_min */
481 min = FAN_FROM_REG(data->fan_min[nr],
482 DIV_FROM_REG(data->fan_div[nr]));
483
484 data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
485
486 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
487 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
488 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70)
489 : ((data->fan_div[nr]) & 0x07);
490 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1],
491 fan_div_reg | tmp_fan_div);
492
493 /* Restore fan_min */
494 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
495 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]);
496
497 return count;
498 }
499
500 static struct sensor_device_attribute sda_fan_input[] = {
501 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1),
502 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2),
503 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3),
504 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4),
505 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5),
506 SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6),
507 SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7),
508 };
509 static struct sensor_device_attribute sda_fan_min[] = {
510 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1),
511 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2),
512 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3),
513 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4),
514 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5),
515 SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6),
516 SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7),
517 };
518 static struct sensor_device_attribute sda_fan_div[] = {
519 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1),
520 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2),
521 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3),
522 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4),
523 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5),
524 SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6),
525 SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7),
526 };
527
528
529 /* read/write the temperature1, includes measured value and limits */
530
531 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr,
532 char *buf)
533 {
534 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
535 int nr = sensor_attr->index;
536 struct w83792d_data *data = w83792d_update_device(dev);
537 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr]));
538 }
539
540 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
541 const char *buf, size_t count)
542 {
543 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
544 int nr = sensor_attr->index;
545 struct i2c_client *client = to_i2c_client(dev);
546 struct w83792d_data *data = i2c_get_clientdata(client);
547 s32 val;
548
549 val = simple_strtol(buf, NULL, 10);
550
551 data->temp1[nr] = TEMP1_TO_REG(val);
552 w83792d_write_value(client, W83792D_REG_TEMP1[nr],
553 data->temp1[nr]);
554
555 return count;
556 }
557
558 /* read/write the temperature2-3, includes measured value and limits */
559
560 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
561 char *buf)
562 {
563 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
564 int nr = sensor_attr->nr;
565 int index = sensor_attr->index;
566 struct w83792d_data *data = w83792d_update_device(dev);
567 return sprintf(buf,"%ld\n",
568 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
569 data->temp_add[nr][index+1]));
570 }
571
572 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
573 const char *buf, size_t count)
574 {
575 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
576 int nr = sensor_attr->nr;
577 int index = sensor_attr->index;
578 struct i2c_client *client = to_i2c_client(dev);
579 struct w83792d_data *data = i2c_get_clientdata(client);
580 s32 val;
581
582 val = simple_strtol(buf, NULL, 10);
583
584 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
585 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
586 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index],
587 data->temp_add[nr][index]);
588 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1],
589 data->temp_add[nr][index+1]);
590
591 return count;
592 }
593
594 static struct sensor_device_attribute_2 sda_temp_input[] = {
595 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0),
596 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0),
597 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0),
598 };
599
600 static struct sensor_device_attribute_2 sda_temp_max[] = {
601 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1),
602 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2),
603 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2),
604 };
605
606 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
607 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2),
608 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4),
609 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4),
610 };
611
612 /* get reatime status of all sensors items: voltage, temp, fan */
613 static ssize_t
614 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
615 {
616 struct w83792d_data *data = w83792d_update_device(dev);
617 return sprintf(buf, "%d\n", data->alarms);
618 }
619
620 static
621 DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
622
623 static ssize_t
624 show_pwm(struct device *dev, struct device_attribute *attr,
625 char *buf)
626 {
627 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
628 int nr = sensor_attr->index;
629 struct w83792d_data *data = w83792d_update_device(dev);
630 return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1]));
631 }
632
633 static ssize_t
634 show_pwmenable(struct device *dev, struct device_attribute *attr,
635 char *buf)
636 {
637 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
638 int nr = sensor_attr->index - 1;
639 struct w83792d_data *data = w83792d_update_device(dev);
640 long pwm_enable_tmp = 1;
641
642 switch (data->pwmenable[nr]) {
643 case 0:
644 pwm_enable_tmp = 1; /* manual mode */
645 break;
646 case 1:
647 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */
648 break;
649 case 2:
650 pwm_enable_tmp = 2; /* Smart Fan II */
651 break;
652 }
653
654 return sprintf(buf, "%ld\n", pwm_enable_tmp);
655 }
656
657 static ssize_t
658 store_pwm(struct device *dev, struct device_attribute *attr,
659 const char *buf, size_t count)
660 {
661 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
662 int nr = sensor_attr->index - 1;
663 struct i2c_client *client = to_i2c_client(dev);
664 struct w83792d_data *data = i2c_get_clientdata(client);
665 u32 val;
666
667 val = simple_strtoul(buf, NULL, 10);
668 data->pwm[nr] = PWM_TO_REG(val);
669 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
670
671 return count;
672 }
673
674 static ssize_t
675 store_pwmenable(struct device *dev, struct device_attribute *attr,
676 const char *buf, size_t count)
677 {
678 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
679 int nr = sensor_attr->index - 1;
680 struct i2c_client *client = to_i2c_client(dev);
681 struct w83792d_data *data = i2c_get_clientdata(client);
682 u32 val;
683 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
684
685 val = simple_strtoul(buf, NULL, 10);
686 switch (val) {
687 case 1:
688 data->pwmenable[nr] = 0; /* manual mode */
689 break;
690 case 2:
691 data->pwmenable[nr] = 2; /* Smart Fan II */
692 break;
693 case 3:
694 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */
695 break;
696 default:
697 return -EINVAL;
698 }
699 cfg1_tmp = data->pwmenable[0];
700 cfg2_tmp = (data->pwmenable[1]) << 2;
701 cfg3_tmp = (data->pwmenable[2]) << 4;
702 cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0;
703 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
704 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
705
706 return count;
707 }
708
709 static struct sensor_device_attribute sda_pwm[] = {
710 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
711 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
712 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
713 };
714 static struct sensor_device_attribute sda_pwm_enable[] = {
715 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
716 show_pwmenable, store_pwmenable, 1),
717 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
718 show_pwmenable, store_pwmenable, 2),
719 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
720 show_pwmenable, store_pwmenable, 3),
721 };
722
723
724 static ssize_t
725 show_pwm_mode(struct device *dev, struct device_attribute *attr,
726 char *buf)
727 {
728 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
729 int nr = sensor_attr->index;
730 struct w83792d_data *data = w83792d_update_device(dev);
731 return sprintf(buf, "%d\n", data->pwm_mode[nr-1]);
732 }
733
734 static ssize_t
735 store_pwm_mode(struct device *dev, struct device_attribute *attr,
736 const char *buf, size_t count)
737 {
738 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
739 int nr = sensor_attr->index - 1;
740 struct i2c_client *client = to_i2c_client(dev);
741 struct w83792d_data *data = i2c_get_clientdata(client);
742 u32 val;
743 u8 pwm_mode_mask = 0;
744
745 val = simple_strtoul(buf, NULL, 10);
746 data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1);
747 pwm_mode_mask = w83792d_read_value(client,
748 W83792D_REG_PWM[nr]) & 0x7f;
749 w83792d_write_value(client, W83792D_REG_PWM[nr],
750 ((data->pwm_mode[nr]) << 7) | pwm_mode_mask);
751
752 return count;
753 }
754
755 static struct sensor_device_attribute sda_pwm_mode[] = {
756 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO,
757 show_pwm_mode, store_pwm_mode, 1),
758 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO,
759 show_pwm_mode, store_pwm_mode, 2),
760 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO,
761 show_pwm_mode, store_pwm_mode, 3),
762 };
763
764
765 static ssize_t
766 show_regs_chassis(struct device *dev, struct device_attribute *attr,
767 char *buf)
768 {
769 struct w83792d_data *data = w83792d_update_device(dev);
770 return sprintf(buf, "%d\n", data->chassis);
771 }
772
773 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL);
774
775 static ssize_t
776 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf)
777 {
778 struct w83792d_data *data = w83792d_update_device(dev);
779 return sprintf(buf, "%d\n", data->chassis_clear);
780 }
781
782 static ssize_t
783 store_chassis_clear(struct device *dev, struct device_attribute *attr,
784 const char *buf, size_t count)
785 {
786 struct i2c_client *client = to_i2c_client(dev);
787 struct w83792d_data *data = i2c_get_clientdata(client);
788 u32 val;
789 u8 temp1 = 0, temp2 = 0;
790
791 val = simple_strtoul(buf, NULL, 10);
792
793 data->chassis_clear = SENSORS_LIMIT(val, 0 ,1);
794 temp1 = ((data->chassis_clear) << 7) & 0x80;
795 temp2 = w83792d_read_value(client,
796 W83792D_REG_CHASSIS_CLR) & 0x7f;
797 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2);
798
799 return count;
800 }
801
802 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR,
803 show_chassis_clear, store_chassis_clear);
804
805 /* For Smart Fan I / Thermal Cruise */
806 static ssize_t
807 show_thermal_cruise(struct device *dev, struct device_attribute *attr,
808 char *buf)
809 {
810 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
811 int nr = sensor_attr->index;
812 struct w83792d_data *data = w83792d_update_device(dev);
813 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]);
814 }
815
816 static ssize_t
817 store_thermal_cruise(struct device *dev, struct device_attribute *attr,
818 const char *buf, size_t count)
819 {
820 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
821 int nr = sensor_attr->index - 1;
822 struct i2c_client *client = to_i2c_client(dev);
823 struct w83792d_data *data = i2c_get_clientdata(client);
824 u32 val;
825 u8 target_tmp=0, target_mask=0;
826
827 val = simple_strtoul(buf, NULL, 10);
828 target_tmp = val;
829 target_tmp = target_tmp & 0x7f;
830 target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80;
831 data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255);
832 w83792d_write_value(client, W83792D_REG_THERMAL[nr],
833 (data->thermal_cruise[nr]) | target_mask);
834
835 return count;
836 }
837
838 static struct sensor_device_attribute sda_thermal_cruise[] = {
839 SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO,
840 show_thermal_cruise, store_thermal_cruise, 1),
841 SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO,
842 show_thermal_cruise, store_thermal_cruise, 2),
843 SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO,
844 show_thermal_cruise, store_thermal_cruise, 3),
845 };
846
847 /* For Smart Fan I/Thermal Cruise and Smart Fan II */
848 static ssize_t
849 show_tolerance(struct device *dev, struct device_attribute *attr,
850 char *buf)
851 {
852 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
853 int nr = sensor_attr->index;
854 struct w83792d_data *data = w83792d_update_device(dev);
855 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]);
856 }
857
858 static ssize_t
859 store_tolerance(struct device *dev, struct device_attribute *attr,
860 const char *buf, size_t count)
861 {
862 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
863 int nr = sensor_attr->index - 1;
864 struct i2c_client *client = to_i2c_client(dev);
865 struct w83792d_data *data = i2c_get_clientdata(client);
866 u32 val;
867 u8 tol_tmp, tol_mask;
868
869 val = simple_strtoul(buf, NULL, 10);
870 tol_mask = w83792d_read_value(client,
871 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
872 tol_tmp = SENSORS_LIMIT(val, 0, 15);
873 tol_tmp &= 0x0f;
874 data->tolerance[nr] = tol_tmp;
875 if (nr == 1) {
876 tol_tmp <<= 4;
877 }
878 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
879 tol_mask | tol_tmp);
880
881 return count;
882 }
883
884 static struct sensor_device_attribute sda_tolerance[] = {
885 SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO,
886 show_tolerance, store_tolerance, 1),
887 SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO,
888 show_tolerance, store_tolerance, 2),
889 SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO,
890 show_tolerance, store_tolerance, 3),
891 };
892
893 /* For Smart Fan II */
894 static ssize_t
895 show_sf2_point(struct device *dev, struct device_attribute *attr,
896 char *buf)
897 {
898 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
899 int nr = sensor_attr->nr;
900 int index = sensor_attr->index;
901 struct w83792d_data *data = w83792d_update_device(dev);
902 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]);
903 }
904
905 static ssize_t
906 store_sf2_point(struct device *dev, struct device_attribute *attr,
907 const char *buf, size_t count)
908 {
909 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
910 int nr = sensor_attr->nr - 1;
911 int index = sensor_attr->index - 1;
912 struct i2c_client *client = to_i2c_client(dev);
913 struct w83792d_data *data = i2c_get_clientdata(client);
914 u32 val;
915 u8 mask_tmp = 0;
916
917 val = simple_strtoul(buf, NULL, 10);
918 data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127);
919 mask_tmp = w83792d_read_value(client,
920 W83792D_REG_POINTS[index][nr]) & 0x80;
921 w83792d_write_value(client, W83792D_REG_POINTS[index][nr],
922 mask_tmp|data->sf2_points[index][nr]);
923
924 return count;
925 }
926
927 static struct sensor_device_attribute_2 sda_sf2_point[] = {
928 SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR,
929 show_sf2_point, store_sf2_point, 1, 1),
930 SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR,
931 show_sf2_point, store_sf2_point, 2, 1),
932 SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR,
933 show_sf2_point, store_sf2_point, 3, 1),
934 SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR,
935 show_sf2_point, store_sf2_point, 4, 1),
936
937 SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR,
938 show_sf2_point, store_sf2_point, 1, 2),
939 SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR,
940 show_sf2_point, store_sf2_point, 2, 2),
941 SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR,
942 show_sf2_point, store_sf2_point, 3, 2),
943 SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR,
944 show_sf2_point, store_sf2_point, 4, 2),
945
946 SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR,
947 show_sf2_point, store_sf2_point, 1, 3),
948 SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR,
949 show_sf2_point, store_sf2_point, 2, 3),
950 SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR,
951 show_sf2_point, store_sf2_point, 3, 3),
952 SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR,
953 show_sf2_point, store_sf2_point, 4, 3),
954 };
955
956
957 static ssize_t
958 show_sf2_level(struct device *dev, struct device_attribute *attr,
959 char *buf)
960 {
961 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
962 int nr = sensor_attr->nr;
963 int index = sensor_attr->index;
964 struct w83792d_data *data = w83792d_update_device(dev);
965 return sprintf(buf, "%d\n",
966 (((data->sf2_levels[index-1][nr]) * 100) / 15));
967 }
968
969 static ssize_t
970 store_sf2_level(struct device *dev, struct device_attribute *attr,
971 const char *buf, size_t count)
972 {
973 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
974 int nr = sensor_attr->nr;
975 int index = sensor_attr->index - 1;
976 struct i2c_client *client = to_i2c_client(dev);
977 struct w83792d_data *data = i2c_get_clientdata(client);
978 u32 val;
979 u8 mask_tmp=0, level_tmp=0;
980
981 val = simple_strtoul(buf, NULL, 10);
982 data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15);
983 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
984 & ((nr==3) ? 0xf0 : 0x0f);
985 if (nr==3) {
986 level_tmp = data->sf2_levels[index][nr];
987 } else {
988 level_tmp = data->sf2_levels[index][nr] << 4;
989 }
990 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp);
991
992 return count;
993 }
994
995 static struct sensor_device_attribute_2 sda_sf2_level[] = {
996 SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR,
997 show_sf2_level, store_sf2_level, 1, 1),
998 SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR,
999 show_sf2_level, store_sf2_level, 2, 1),
1000 SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR,
1001 show_sf2_level, store_sf2_level, 3, 1),
1002
1003 SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR,
1004 show_sf2_level, store_sf2_level, 1, 2),
1005 SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR,
1006 show_sf2_level, store_sf2_level, 2, 2),
1007 SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR,
1008 show_sf2_level, store_sf2_level, 3, 2),
1009
1010 SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR,
1011 show_sf2_level, store_sf2_level, 1, 3),
1012 SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR,
1013 show_sf2_level, store_sf2_level, 2, 3),
1014 SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR,
1015 show_sf2_level, store_sf2_level, 3, 3),
1016 };
1017
1018 /* This function is called when:
1019 * w83792d_driver is inserted (when this module is loaded), for each
1020 available adapter
1021 * when a new adapter is inserted (and w83792d_driver is still present) */
1022 static int
1023 w83792d_attach_adapter(struct i2c_adapter *adapter)
1024 {
1025 if (!(adapter->class & I2C_CLASS_HWMON))
1026 return 0;
1027 return i2c_probe(adapter, &addr_data, w83792d_detect);
1028 }
1029
1030
1031 static int
1032 w83792d_create_subclient(struct i2c_adapter *adapter,
1033 struct i2c_client *new_client, int addr,
1034 struct i2c_client **sub_cli)
1035 {
1036 int err;
1037 struct i2c_client *sub_client;
1038
1039 (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
1040 if (!(sub_client)) {
1041 return -ENOMEM;
1042 }
1043 sub_client->addr = 0x48 + addr;
1044 i2c_set_clientdata(sub_client, NULL);
1045 sub_client->adapter = adapter;
1046 sub_client->driver = &w83792d_driver;
1047 sub_client->flags = 0;
1048 strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE);
1049 if ((err = i2c_attach_client(sub_client))) {
1050 dev_err(&new_client->dev, "subclient registration "
1051 "at address 0x%x failed\n", sub_client->addr);
1052 kfree(sub_client);
1053 return err;
1054 }
1055 return 0;
1056 }
1057
1058
1059 static int
1060 w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
1061 struct i2c_client *new_client)
1062 {
1063 int i, id, err;
1064 u8 val;
1065 struct w83792d_data *data = i2c_get_clientdata(new_client);
1066
1067 id = i2c_adapter_id(adapter);
1068 if (force_subclients[0] == id && force_subclients[1] == address) {
1069 for (i = 2; i <= 3; i++) {
1070 if (force_subclients[i] < 0x48 ||
1071 force_subclients[i] > 0x4f) {
1072 dev_err(&new_client->dev, "invalid subclient "
1073 "address %d; must be 0x48-0x4f\n",
1074 force_subclients[i]);
1075 err = -ENODEV;
1076 goto ERROR_SC_0;
1077 }
1078 }
1079 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR,
1080 (force_subclients[2] & 0x07) |
1081 ((force_subclients[3] & 0x07) << 4));
1082 }
1083
1084 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
1085 if (!(val & 0x08)) {
1086 err = w83792d_create_subclient(adapter, new_client, val & 0x7,
1087 &data->lm75[0]);
1088 if (err < 0)
1089 goto ERROR_SC_0;
1090 }
1091 if (!(val & 0x80)) {
1092 if ((data->lm75[0] != NULL) &&
1093 ((val & 0x7) == ((val >> 4) & 0x7))) {
1094 dev_err(&new_client->dev, "duplicate addresses 0x%x, "
1095 "use force_subclient\n", data->lm75[0]->addr);
1096 err = -ENODEV;
1097 goto ERROR_SC_1;
1098 }
1099 err = w83792d_create_subclient(adapter, new_client,
1100 (val >> 4) & 0x7, &data->lm75[1]);
1101 if (err < 0)
1102 goto ERROR_SC_1;
1103 }
1104
1105 return 0;
1106
1107 /* Undo inits in case of errors */
1108
1109 ERROR_SC_1:
1110 if (data->lm75[0] != NULL) {
1111 i2c_detach_client(data->lm75[0]);
1112 kfree(data->lm75[0]);
1113 }
1114 ERROR_SC_0:
1115 return err;
1116 }
1117
1118 static void device_create_file_fan(struct device *dev, int i)
1119 {
1120 device_create_file(dev, &sda_fan_input[i].dev_attr);
1121 device_create_file(dev, &sda_fan_div[i].dev_attr);
1122 device_create_file(dev, &sda_fan_min[i].dev_attr);
1123 }
1124
1125 static int
1126 w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
1127 {
1128 int i = 0, val1 = 0, val2;
1129 struct i2c_client *client;
1130 struct device *dev;
1131 struct w83792d_data *data;
1132 int err = 0;
1133 const char *client_name = "";
1134
1135 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1136 goto ERROR0;
1137 }
1138
1139 /* OK. For now, we presume we have a valid client. We now create the
1140 client structure, even though we cannot fill it completely yet.
1141 But it allows us to access w83792d_{read,write}_value. */
1142
1143 if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
1144 err = -ENOMEM;
1145 goto ERROR0;
1146 }
1147
1148 client = &data->client;
1149 dev = &client->dev;
1150 i2c_set_clientdata(client, data);
1151 client->addr = address;
1152 client->adapter = adapter;
1153 client->driver = &w83792d_driver;
1154 client->flags = 0;
1155
1156 /* Now, we do the remaining detection. */
1157
1158 /* The w83792d may be stuck in some other bank than bank 0. This may
1159 make reading other information impossible. Specify a force=... or
1160 force_*=... parameter, and the Winbond will be reset to the right
1161 bank. */
1162 if (kind < 0) {
1163 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) {
1164 dev_dbg(dev, "Detection failed at step 1\n");
1165 goto ERROR1;
1166 }
1167 val1 = w83792d_read_value(client, W83792D_REG_BANK);
1168 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1169 /* Check for Winbond ID if in bank 0 */
1170 if (!(val1 & 0x07)) { /* is Bank0 */
1171 if (((!(val1 & 0x80)) && (val2 != 0xa3)) ||
1172 ((val1 & 0x80) && (val2 != 0x5c))) {
1173 dev_dbg(dev, "Detection failed at step 2\n");
1174 goto ERROR1;
1175 }
1176 }
1177 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
1178 should match */
1179 if (w83792d_read_value(client,
1180 W83792D_REG_I2C_ADDR) != address) {
1181 dev_dbg(dev, "Detection failed at step 3\n");
1182 goto ERROR1;
1183 }
1184 }
1185
1186 /* We have either had a force parameter, or we have already detected the
1187 Winbond. Put it now into bank 0 and Vendor ID High Byte */
1188 w83792d_write_value(client,
1189 W83792D_REG_BANK,
1190 (w83792d_read_value(client,
1191 W83792D_REG_BANK) & 0x78) | 0x80);
1192
1193 /* Determine the chip type. */
1194 if (kind <= 0) {
1195 /* get vendor ID */
1196 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1197 if (val2 != 0x5c) { /* the vendor is NOT Winbond */
1198 goto ERROR1;
1199 }
1200 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID);
1201 if (val1 == 0x7a) {
1202 kind = w83792d;
1203 } else {
1204 if (kind == 0)
1205 dev_warn(dev,
1206 "w83792d: Ignoring 'force' parameter for"
1207 " unknown chip at adapter %d, address"
1208 " 0x%02x\n", i2c_adapter_id(adapter),
1209 address);
1210 goto ERROR1;
1211 }
1212 }
1213
1214 if (kind == w83792d) {
1215 client_name = "w83792d";
1216 } else {
1217 dev_err(dev, "w83792d: Internal error: unknown"
1218 " kind (%d)?!?", kind);
1219 goto ERROR1;
1220 }
1221
1222 /* Fill in the remaining client fields and put into the global list */
1223 strlcpy(client->name, client_name, I2C_NAME_SIZE);
1224 data->type = kind;
1225
1226 data->valid = 0;
1227 mutex_init(&data->update_lock);
1228
1229 /* Tell the I2C layer a new client has arrived */
1230 if ((err = i2c_attach_client(client)))
1231 goto ERROR1;
1232
1233 if ((err = w83792d_detect_subclients(adapter, address,
1234 kind, client)))
1235 goto ERROR2;
1236
1237 /* Initialize the chip */
1238 w83792d_init_client(client);
1239
1240 /* A few vars need to be filled upon startup */
1241 for (i = 0; i < 7; i++) {
1242 data->fan_min[i] = w83792d_read_value(client,
1243 W83792D_REG_FAN_MIN[i]);
1244 }
1245
1246 /* Register sysfs hooks */
1247 data->class_dev = hwmon_device_register(dev);
1248 if (IS_ERR(data->class_dev)) {
1249 err = PTR_ERR(data->class_dev);
1250 goto ERROR3;
1251 }
1252 for (i = 0; i < 9; i++) {
1253 device_create_file(dev, &sda_in_input[i].dev_attr);
1254 device_create_file(dev, &sda_in_max[i].dev_attr);
1255 device_create_file(dev, &sda_in_min[i].dev_attr);
1256 }
1257 for (i = 0; i < 3; i++)
1258 device_create_file_fan(dev, i);
1259
1260 /* Read GPIO enable register to check if pins for fan 4,5 are used as
1261 GPIO */
1262 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
1263 if (!(val1 & 0x40))
1264 device_create_file_fan(dev, 3);
1265 if (!(val1 & 0x20))
1266 device_create_file_fan(dev, 4);
1267
1268 val1 = w83792d_read_value(client, W83792D_REG_PIN);
1269 if (val1 & 0x40)
1270 device_create_file_fan(dev, 5);
1271 if (val1 & 0x04)
1272 device_create_file_fan(dev, 6);
1273
1274 for (i = 0; i < 3; i++) {
1275 device_create_file(dev, &sda_temp_input[i].dev_attr);
1276 device_create_file(dev, &sda_temp_max[i].dev_attr);
1277 device_create_file(dev, &sda_temp_max_hyst[i].dev_attr);
1278 device_create_file(dev, &sda_thermal_cruise[i].dev_attr);
1279 device_create_file(dev, &sda_tolerance[i].dev_attr);
1280 }
1281
1282 for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) {
1283 device_create_file(dev, &sda_pwm[i].dev_attr);
1284 device_create_file(dev, &sda_pwm_enable[i].dev_attr);
1285 device_create_file(dev, &sda_pwm_mode[i].dev_attr);
1286 }
1287
1288 device_create_file(dev, &dev_attr_alarms);
1289 device_create_file(dev, &dev_attr_chassis);
1290 device_create_file(dev, &dev_attr_chassis_clear);
1291
1292 for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++)
1293 device_create_file(dev, &sda_sf2_point[i].dev_attr);
1294
1295 for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++)
1296 device_create_file(dev, &sda_sf2_level[i].dev_attr);
1297
1298 return 0;
1299
1300 ERROR3:
1301 if (data->lm75[0] != NULL) {
1302 i2c_detach_client(data->lm75[0]);
1303 kfree(data->lm75[0]);
1304 }
1305 if (data->lm75[1] != NULL) {
1306 i2c_detach_client(data->lm75[1]);
1307 kfree(data->lm75[1]);
1308 }
1309 ERROR2:
1310 i2c_detach_client(client);
1311 ERROR1:
1312 kfree(data);
1313 ERROR0:
1314 return err;
1315 }
1316
1317 static int
1318 w83792d_detach_client(struct i2c_client *client)
1319 {
1320 struct w83792d_data *data = i2c_get_clientdata(client);
1321 int err;
1322
1323 /* main client */
1324 if (data)
1325 hwmon_device_unregister(data->class_dev);
1326
1327 if ((err = i2c_detach_client(client)))
1328 return err;
1329
1330 /* main client */
1331 if (data)
1332 kfree(data);
1333 /* subclient */
1334 else
1335 kfree(client);
1336
1337 return 0;
1338 }
1339
1340 static void
1341 w83792d_init_client(struct i2c_client *client)
1342 {
1343 u8 temp2_cfg, temp3_cfg, vid_in_b;
1344
1345 if (init) {
1346 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
1347 }
1348 /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
1349 W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
1350 vin0/vin1 can be modified by user;
1351 W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
1352 vin0/vin1 auto-updated, can NOT be modified by user. */
1353 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
1354 w83792d_write_value(client, W83792D_REG_VID_IN_B,
1355 vid_in_b & 0xbf);
1356
1357 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG);
1358 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG);
1359 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG,
1360 temp2_cfg & 0xe6);
1361 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG,
1362 temp3_cfg & 0xe6);
1363
1364 /* Start monitoring */
1365 w83792d_write_value(client, W83792D_REG_CONFIG,
1366 (w83792d_read_value(client,
1367 W83792D_REG_CONFIG) & 0xf7)
1368 | 0x01);
1369 }
1370
1371 static struct w83792d_data *w83792d_update_device(struct device *dev)
1372 {
1373 struct i2c_client *client = to_i2c_client(dev);
1374 struct w83792d_data *data = i2c_get_clientdata(client);
1375 int i, j;
1376 u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp;
1377
1378 mutex_lock(&data->update_lock);
1379
1380 if (time_after
1381 (jiffies - data->last_updated, (unsigned long) (HZ * 3))
1382 || time_before(jiffies, data->last_updated) || !data->valid) {
1383 dev_dbg(dev, "Starting device update\n");
1384
1385 /* Update the voltages measured value and limits */
1386 for (i = 0; i < 9; i++) {
1387 data->in[i] = w83792d_read_value(client,
1388 W83792D_REG_IN[i]);
1389 data->in_max[i] = w83792d_read_value(client,
1390 W83792D_REG_IN_MAX[i]);
1391 data->in_min[i] = w83792d_read_value(client,
1392 W83792D_REG_IN_MIN[i]);
1393 }
1394 data->low_bits = w83792d_read_value(client,
1395 W83792D_REG_LOW_BITS1) +
1396 (w83792d_read_value(client,
1397 W83792D_REG_LOW_BITS2) << 8);
1398 for (i = 0; i < 7; i++) {
1399 /* Update the Fan measured value and limits */
1400 data->fan[i] = w83792d_read_value(client,
1401 W83792D_REG_FAN[i]);
1402 data->fan_min[i] = w83792d_read_value(client,
1403 W83792D_REG_FAN_MIN[i]);
1404 /* Update the PWM/DC Value and PWM/DC flag */
1405 pwm_array_tmp[i] = w83792d_read_value(client,
1406 W83792D_REG_PWM[i]);
1407 data->pwm[i] = pwm_array_tmp[i] & 0x0f;
1408 data->pwm_mode[i] = pwm_array_tmp[i] >> 7;
1409 }
1410
1411 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);
1412 data->pwmenable[0] = reg_tmp & 0x03;
1413 data->pwmenable[1] = (reg_tmp>>2) & 0x03;
1414 data->pwmenable[2] = (reg_tmp>>4) & 0x03;
1415
1416 for (i = 0; i < 3; i++) {
1417 data->temp1[i] = w83792d_read_value(client,
1418 W83792D_REG_TEMP1[i]);
1419 }
1420 for (i = 0; i < 2; i++) {
1421 for (j = 0; j < 6; j++) {
1422 data->temp_add[i][j] = w83792d_read_value(
1423 client,W83792D_REG_TEMP_ADD[i][j]);
1424 }
1425 }
1426
1427 /* Update the Fan Divisor */
1428 for (i = 0; i < 4; i++) {
1429 reg_array_tmp[i] = w83792d_read_value(client,
1430 W83792D_REG_FAN_DIV[i]);
1431 }
1432 data->fan_div[0] = reg_array_tmp[0] & 0x07;
1433 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07;
1434 data->fan_div[2] = reg_array_tmp[1] & 0x07;
1435 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07;
1436 data->fan_div[4] = reg_array_tmp[2] & 0x07;
1437 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07;
1438 data->fan_div[6] = reg_array_tmp[3] & 0x07;
1439
1440 /* Update the realtime status */
1441 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) +
1442 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) +
1443 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16);
1444
1445 /* Update CaseOpen status and it's CLR_CHS. */
1446 data->chassis = (w83792d_read_value(client,
1447 W83792D_REG_CHASSIS) >> 5) & 0x01;
1448 data->chassis_clear = (w83792d_read_value(client,
1449 W83792D_REG_CHASSIS_CLR) >> 7) & 0x01;
1450
1451 /* Update Thermal Cruise/Smart Fan I target value */
1452 for (i = 0; i < 3; i++) {
1453 data->thermal_cruise[i] =
1454 w83792d_read_value(client,
1455 W83792D_REG_THERMAL[i]) & 0x7f;
1456 }
1457
1458 /* Update Smart Fan I/II tolerance */
1459 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]);
1460 data->tolerance[0] = reg_tmp & 0x0f;
1461 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
1462 data->tolerance[2] = w83792d_read_value(client,
1463 W83792D_REG_TOLERANCE[2]) & 0x0f;
1464
1465 /* Update Smart Fan II temperature points */
1466 for (i = 0; i < 3; i++) {
1467 for (j = 0; j < 4; j++) {
1468 data->sf2_points[i][j] = w83792d_read_value(
1469 client,W83792D_REG_POINTS[i][j]) & 0x7f;
1470 }
1471 }
1472
1473 /* Update Smart Fan II duty cycle levels */
1474 for (i = 0; i < 3; i++) {
1475 reg_tmp = w83792d_read_value(client,
1476 W83792D_REG_LEVELS[i][0]);
1477 data->sf2_levels[i][0] = reg_tmp & 0x0f;
1478 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f;
1479 reg_tmp = w83792d_read_value(client,
1480 W83792D_REG_LEVELS[i][2]);
1481 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f;
1482 data->sf2_levels[i][3] = reg_tmp & 0x0f;
1483 }
1484
1485 data->last_updated = jiffies;
1486 data->valid = 1;
1487 }
1488
1489 mutex_unlock(&data->update_lock);
1490
1491 #ifdef DEBUG
1492 w83792d_print_debug(data, dev);
1493 #endif
1494
1495 return data;
1496 }
1497
1498 #ifdef DEBUG
1499 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
1500 {
1501 int i=0, j=0;
1502 dev_dbg(dev, "==========The following is the debug message...========\n");
1503 dev_dbg(dev, "9 set of Voltages: =====>\n");
1504 for (i=0; i<9; i++) {
1505 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
1506 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
1507 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
1508 }
1509 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
1510 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
1511 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
1512 for (i=0; i<7; i++) {
1513 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
1514 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
1515 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]);
1516 dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]);
1517 }
1518 dev_dbg(dev, "3 set of Temperatures: =====>\n");
1519 for (i=0; i<3; i++) {
1520 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
1521 }
1522
1523 for (i=0; i<2; i++) {
1524 for (j=0; j<6; j++) {
1525 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
1526 data->temp_add[i][j]);
1527 }
1528 }
1529
1530 for (i=0; i<7; i++) {
1531 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
1532 }
1533 dev_dbg(dev, "==========End of the debug message...==================\n");
1534 dev_dbg(dev, "\n");
1535 }
1536 #endif
1537
1538 static int __init
1539 sensors_w83792d_init(void)
1540 {
1541 return i2c_add_driver(&w83792d_driver);
1542 }
1543
1544 static void __exit
1545 sensors_w83792d_exit(void)
1546 {
1547 i2c_del_driver(&w83792d_driver);
1548 }
1549
1550 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
1551 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
1552 MODULE_LICENSE("GPL");
1553
1554 module_init(sensors_w83792d_init);
1555 module_exit(sensors_w83792d_exit);
1556
linux kernel for loongson