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hwmon: Fix CamelCase checkpatch warnings
[mirror_ubuntu-bionic-kernel.git] / drivers / hwmon / w83792d.c
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5563e27d 1/*
d1743681
GR		 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 */
5563e27d
RM		 30
31/*
d1743681
GR		 32 * Supports following chips:
33 *
4101ece3 34 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
d1743681
GR		 35 * w83792d 9 7 7 3 0x7a 0x5ca3 yes no
36 */
5563e27d 37
5563e27d
RM		 38#include <linux/module.h>
39#include <linux/init.h>
40#include <linux/slab.h>
41#include <linux/i2c.h>
ce785ab4 42#include <linux/hwmon.h>
5563e27d 43#include <linux/hwmon-sysfs.h>
ce785ab4 44#include <linux/err.h>
9a61bf63 45#include <linux/mutex.h>
f52f79da 46#include <linux/sysfs.h>
dcd8f392 47#include <linux/jiffies.h>
5563e27d
RM		 48
49/* Addresses to scan */
25e9c86d
MH		 50static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
51 I2C_CLIENT_END };
5563e27d
RM		 52
53/* Insmod parameters */
3aed198c
JD		 54
55static unsigned short force_subclients[4];
56module_param_array(force_subclients, short, NULL, 0);
57MODULE_PARM_DESC(force_subclients, "List of subclient addresses: "
5563e27d
RM		 58 "{bus, clientaddr, subclientaddr1, subclientaddr2}");
59
90ab5ee9 60static bool init;
5563e27d
RM		 61module_param(init, bool, 0);
62MODULE_PARM_DESC(init, "Set to one to force chip initialization");
63
64/* The W83792D registers */
65static 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 */
78static 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};
89static 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};
100static 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};
109static 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 */
119static 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};
125static 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
138static 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
144static 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
159static 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
165static 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
171static 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
186static 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
96320519 201#define W83792D_REG_GPIO_EN 0x1A
5563e27d
RM		 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
d1743681
GR		 222/*
223 * Conversions. Rounding and limit checking is only done on the TO_REG
224 * variants. Note that you should be a bit careful with which arguments
225 * these macros are called: arguments may be evaluated more than once.
226 * Fixing this is just not worth it.
227 */
228#define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \
229 ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4)))
230#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \
231 ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4)))
5563e27d
RM		 232
233static inline u8
234FAN_TO_REG(long rpm, int div)
235{
236 if (rpm == 0)
237 return 255;
2a844c14
GR		 238 rpm = clamp_val(rpm, 1, 1000000);
239 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
5563e27d
RM		 240}
241
d1743681 242#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \
5563e27d
RM		 243 ((val) == 255 ? 0 : \
244 1350000 / ((val) * (div))))
245
246/* for temp1 */
2a844c14
GR		 247#define TEMP1_TO_REG(val) (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 \
248 : (val)) / 1000, 0, 0xff))
5563e27d 249#define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
25985edc 250/* for temp2 and temp3, because they need additional resolution */
5563e27d
RM		 251#define TEMP_ADD_FROM_REG(val1, val2) \
252 ((((val1) & 0x80 ? (val1)-0x100 \
253 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0))
254#define TEMP_ADD_TO_REG_HIGH(val) \
2a844c14 255 (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 : (val)) / 1000, 0, 0xff))
5563e27d
RM		 256#define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00)
257
5563e27d
RM		 258#define DIV_FROM_REG(val) (1 << (val))
259
260static inline u8
261DIV_TO_REG(long val)
262{
263 int i;
2a844c14 264 val = clamp_val(val, 1, 128) >> 1;
96320519 265 for (i = 0; i < 7; i++) {
5563e27d
RM		 266 if (val == 0)
267 break;
268 val >>= 1;
269 }
7fe83ad8 270 return (u8)i;
5563e27d
RM		 271}
272
273struct w83792d_data {
1beeffe4 274 struct device *hwmon_dev;
5563e27d 275
9a61bf63 276 struct mutex update_lock;
5563e27d
RM		 277 char valid; /* !=0 if following fields are valid */
278 unsigned long last_updated; /* In jiffies */
279
280 /* array of 2 pointers to subclients */
281 struct i2c_client *lm75[2];
282
283 u8 in[9]; /* Register value */
284 u8 in_max[9]; /* Register value */
285 u8 in_min[9]; /* Register value */
99d85560 286 u16 low_bits; /* Additional resolution to voltage in6-0 */
5563e27d
RM		 287 u8 fan[7]; /* Register value */
288 u8 fan_min[7]; /* Register value */
289 u8 temp1[3]; /* current, over, thyst */
290 u8 temp_add[2][6]; /* Register value */
291 u8 fan_div[7]; /* Register encoding, shifted right */
d1743681
GR		 292 u8 pwm[7]; /*
293 * We only consider the first 3 set of pwm,
294 * although 792 chip has 7 set of pwm.
295 */
5563e27d 296 u8 pwmenable[3];
5563e27d
RM		 297 u32 alarms; /* realtime status register encoding,combined */
298 u8 chassis; /* Chassis status */
5563e27d
RM		 299 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */
300 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */
301 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */
302 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */
303};
304
31d5d275
JD		 305static int w83792d_probe(struct i2c_client *client,
306 const struct i2c_device_id *id);
310ec792 307static int w83792d_detect(struct i2c_client *client,
31d5d275
JD		 308 struct i2c_board_info *info);
309static int w83792d_remove(struct i2c_client *client);
5563e27d
RM		 310static struct w83792d_data *w83792d_update_device(struct device *dev);
311
312#ifdef DEBUG
313static void w83792d_print_debug(struct w83792d_data *data, struct device *dev);
314#endif
315
316static void w83792d_init_client(struct i2c_client *client);
317
31d5d275 318static const struct i2c_device_id w83792d_id[] = {
1f86df49 319 { "w83792d", 0 },
31d5d275
JD		 320 { }
321};
322MODULE_DEVICE_TABLE(i2c, w83792d_id);
323
5563e27d 324static struct i2c_driver w83792d_driver = {
31d5d275 325 .class = I2C_CLASS_HWMON,
cdaf7934 326 .driver = {
cdaf7934
LR		 327 .name = "w83792d",
328 },
31d5d275
JD		 329 .probe = w83792d_probe,
330 .remove = w83792d_remove,
331 .id_table = w83792d_id,
332 .detect = w83792d_detect,
c3813d6a 333 .address_list = normal_i2c,
5563e27d
RM		 334};
335
99d85560 336static inline long in_count_from_reg(int nr, struct w83792d_data *data)
5563e27d 337{
99d85560 338 /* in7 and in8 do not have low bits, but the formula still works */
7fe83ad8 339 return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03);
5563e27d
RM		 340}
341
d1743681
GR		 342/*
343 * The SMBus locks itself. The Winbond W83792D chip has a bank register,
344 * but the driver only accesses registers in bank 0, so we don't have
345 * to switch banks and lock access between switches.
346 */
0d0ab7fe
JD		 347static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
348{
349 return i2c_smbus_read_byte_data(client, reg);
350}
351
352static inline int
353w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
354{
355 return i2c_smbus_write_byte_data(client, reg, value);
356}
357
5563e27d
RM		 358/* following are the sysfs callback functions */
359static ssize_t show_in(struct device *dev, struct device_attribute *attr,
360 char *buf)
361{
362 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
363 int nr = sensor_attr->index;
364 struct w83792d_data *data = w83792d_update_device(dev);
d1743681
GR		 365 return sprintf(buf, "%ld\n",
366 IN_FROM_REG(nr, in_count_from_reg(nr, data)));
5563e27d
RM		 367}
368
369#define show_in_reg(reg) \
370static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
371 char *buf) \
372{ \
d1743681
GR		 373 struct sensor_device_attribute *sensor_attr \
374 = to_sensor_dev_attr(attr); \
5563e27d
RM		 375 int nr = sensor_attr->index; \
376 struct w83792d_data *data = w83792d_update_device(dev); \
d1743681
GR		 377 return sprintf(buf, "%ld\n", \
378 (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \
5563e27d
RM		 379}
380
381show_in_reg(in_min);
382show_in_reg(in_max);
383
384#define store_in_reg(REG, reg) \
d1743681 385static ssize_t store_in_##reg(struct device *dev, \
5563e27d
RM		 386 struct device_attribute *attr, \
387 const char *buf, size_t count) \
388{ \
d1743681
GR		 389 struct sensor_device_attribute *sensor_attr \
390 = to_sensor_dev_attr(attr); \
5563e27d
RM		 391 int nr = sensor_attr->index; \
392 struct i2c_client *client = to_i2c_client(dev); \
393 struct w83792d_data *data = i2c_get_clientdata(client); \
d1743681
GR		 394 unsigned long val; \
395 int err = kstrtoul(buf, 10, &val); \
396 if (err) \
397 return err; \
bed73082 398 mutex_lock(&data->update_lock); \
2a844c14 399 data->in_##reg[nr] = clamp_val(IN_TO_REG(nr, val) / 4, 0, 255); \
d1743681
GR		 400 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \
401 data->in_##reg[nr]); \
bed73082 402 mutex_unlock(&data->update_lock); \
5563e27d
RM		 403 \
404 return count; \
405}
406store_in_reg(MIN, min);
407store_in_reg(MAX, max);
408
5563e27d 409#define show_fan_reg(reg) \
d1743681 410static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
5563e27d
RM		 411 char *buf) \
412{ \
d1743681
GR		 413 struct sensor_device_attribute *sensor_attr \
414 = to_sensor_dev_attr(attr); \
5563e27d
RM		 415 int nr = sensor_attr->index - 1; \
416 struct w83792d_data *data = w83792d_update_device(dev); \
d1743681 417 return sprintf(buf, "%d\n", \
5563e27d
RM		 418 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
419}
420
421show_fan_reg(fan);
422show_fan_reg(fan_min);
423
424static ssize_t
425store_fan_min(struct device *dev, struct device_attribute *attr,
426 const char *buf, size_t count)
427{
428 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
429 int nr = sensor_attr->index - 1;
430 struct i2c_client *client = to_i2c_client(dev);
431 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 432 unsigned long val;
433 int err;
434
435 err = kstrtoul(buf, 10, &val);
436 if (err)
437 return err;
5563e27d 438
bed73082 439 mutex_lock(&data->update_lock);
5563e27d
RM		 440 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
441 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
442 data->fan_min[nr]);
bed73082 443 mutex_unlock(&data->update_lock);
5563e27d
RM		 444
445 return count;
446}
447
448static ssize_t
449show_fan_div(struct device *dev, struct device_attribute *attr,
450 char *buf)
451{
452 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
453 int nr = sensor_attr->index;
454 struct w83792d_data *data = w83792d_update_device(dev);
455 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
456}
457
d1743681
GR		 458/*
459 * Note: we save and restore the fan minimum here, because its value is
460 * determined in part by the fan divisor. This follows the principle of
461 * least surprise; the user doesn't expect the fan minimum to change just
462 * because the divisor changed.
463 */
5563e27d
RM		 464static ssize_t
465store_fan_div(struct device *dev, struct device_attribute *attr,
466 const char *buf, size_t count)
467{
468 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
469 int nr = sensor_attr->index - 1;
470 struct i2c_client *client = to_i2c_client(dev);
471 struct w83792d_data *data = i2c_get_clientdata(client);
472 unsigned long min;
473 /*u8 reg;*/
474 u8 fan_div_reg = 0;
475 u8 tmp_fan_div;
d1743681
GR		 476 unsigned long val;
477 int err;
478
479 err = kstrtoul(buf, 10, &val);
480 if (err)
481 return err;
5563e27d
RM		 482
483 /* Save fan_min */
bed73082 484 mutex_lock(&data->update_lock);
5563e27d
RM		 485 min = FAN_FROM_REG(data->fan_min[nr],
486 DIV_FROM_REG(data->fan_div[nr]));
487
d1743681 488 data->fan_div[nr] = DIV_TO_REG(val);
5563e27d
RM		 489
490 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
491 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
492 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70)
493 : ((data->fan_div[nr]) & 0x07);
494 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1],
495 fan_div_reg | tmp_fan_div);
496
497 /* Restore fan_min */
498 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
499 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]);
bed73082 500 mutex_unlock(&data->update_lock);
5563e27d
RM		 501
502 return count;
503}
504
5563e27d
RM		 505/* read/write the temperature1, includes measured value and limits */
506
507static ssize_t show_temp1(struct device *dev, struct device_attribute *attr,
508 char *buf)
509{
510 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
511 int nr = sensor_attr->index;
512 struct w83792d_data *data = w83792d_update_device(dev);
513 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr]));
514}
515
516static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
517 const char *buf, size_t count)
518{
519 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
520 int nr = sensor_attr->index;
521 struct i2c_client *client = to_i2c_client(dev);
522 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 523 long val;
524 int err;
525
526 err = kstrtol(buf, 10, &val);
527 if (err)
528 return err;
5563e27d 529
bed73082 530 mutex_lock(&data->update_lock);
5563e27d
RM		 531 data->temp1[nr] = TEMP1_TO_REG(val);
532 w83792d_write_value(client, W83792D_REG_TEMP1[nr],
533 data->temp1[nr]);
bed73082 534 mutex_unlock(&data->update_lock);
5563e27d
RM		 535
536 return count;
537}
538
5563e27d
RM		 539/* read/write the temperature2-3, includes measured value and limits */
540
541static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
542 char *buf)
543{
d1743681
GR		 544 struct sensor_device_attribute_2 *sensor_attr
545 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 546 int nr = sensor_attr->nr;
547 int index = sensor_attr->index;
548 struct w83792d_data *data = w83792d_update_device(dev);
d1743681 549 return sprintf(buf, "%ld\n",
5563e27d
RM		 550 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
551 data->temp_add[nr][index+1]));
552}
553
554static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
555 const char *buf, size_t count)
556{
d1743681
GR		 557 struct sensor_device_attribute_2 *sensor_attr
558 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 559 int nr = sensor_attr->nr;
560 int index = sensor_attr->index;
561 struct i2c_client *client = to_i2c_client(dev);
562 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 563 long val;
564 int err;
565
566 err = kstrtol(buf, 10, &val);
567 if (err)
568 return err;
5563e27d 569
bed73082 570 mutex_lock(&data->update_lock);
5563e27d
RM		 571 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
572 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
573 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index],
574 data->temp_add[nr][index]);
575 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1],
576 data->temp_add[nr][index+1]);
bed73082 577 mutex_unlock(&data->update_lock);
5563e27d
RM		 578
579 return count;
580}
581
5563e27d
RM		 582/* get reatime status of all sensors items: voltage, temp, fan */
583static ssize_t
584show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
585{
586 struct w83792d_data *data = w83792d_update_device(dev);
587 return sprintf(buf, "%d\n", data->alarms);
588}
589
43e61a2d
GJ		 590static ssize_t show_alarm(struct device *dev,
591 struct device_attribute *attr, char *buf)
592{
593 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
594 int nr = sensor_attr->index;
595 struct w83792d_data *data = w83792d_update_device(dev);
596 return sprintf(buf, "%d\n", (data->alarms >> nr) & 1);
597}
598
5563e27d
RM		 599static ssize_t
600show_pwm(struct device *dev, struct device_attribute *attr,
601 char *buf)
602{
603 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
604 int nr = sensor_attr->index;
605 struct w83792d_data *data = w83792d_update_device(dev);
53e2761b 606 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4);
5563e27d
RM		 607}
608
609static ssize_t
610show_pwmenable(struct device *dev, struct device_attribute *attr,
611 char *buf)
612{
613 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
614 int nr = sensor_attr->index - 1;
615 struct w83792d_data *data = w83792d_update_device(dev);
616 long pwm_enable_tmp = 1;
617
618 switch (data->pwmenable[nr]) {
619 case 0:
620 pwm_enable_tmp = 1; /* manual mode */
621 break;
622 case 1:
623 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */
624 break;
625 case 2:
626 pwm_enable_tmp = 2; /* Smart Fan II */
627 break;
628 }
629
630 return sprintf(buf, "%ld\n", pwm_enable_tmp);
631}
632
633static ssize_t
634store_pwm(struct device *dev, struct device_attribute *attr,
635 const char *buf, size_t count)
636{
637 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
53e2761b 638 int nr = sensor_attr->index;
5563e27d
RM		 639 struct i2c_client *client = to_i2c_client(dev);
640 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 641 unsigned long val;
642 int err;
643
644 err = kstrtoul(buf, 10, &val);
645 if (err)
646 return err;
2a844c14 647 val = clamp_val(val, 0, 255) >> 4;
5563e27d 648
53e2761b
YM		 649 mutex_lock(&data->update_lock);
650 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0;
651 data->pwm[nr] = val;
5563e27d 652 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
53e2761b 653 mutex_unlock(&data->update_lock);
5563e27d
RM		 654
655 return count;
656}
657
658static ssize_t
659store_pwmenable(struct device *dev, struct device_attribute *attr,
660 const char *buf, size_t count)
661{
662 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
663 int nr = sensor_attr->index - 1;
664 struct i2c_client *client = to_i2c_client(dev);
665 struct w83792d_data *data = i2c_get_clientdata(client);
5563e27d 666 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
d1743681
GR		 667 unsigned long val;
668 int err;
669
670 err = kstrtoul(buf, 10, &val);
671 if (err)
672 return err;
5563e27d 673
bed73082
YM		 674 if (val < 1 || val > 3)
675 return -EINVAL;
676
677 mutex_lock(&data->update_lock);
5563e27d
RM		 678 switch (val) {
679 case 1:
680 data->pwmenable[nr] = 0; /* manual mode */
681 break;
682 case 2:
683 data->pwmenable[nr] = 2; /* Smart Fan II */
684 break;
685 case 3:
686 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */
687 break;
5563e27d
RM		 688 }
689 cfg1_tmp = data->pwmenable[0];
690 cfg2_tmp = (data->pwmenable[1]) << 2;
691 cfg3_tmp = (data->pwmenable[2]) << 4;
d1743681 692 cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0;
5563e27d
RM		 693 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
694 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
bed73082 695 mutex_unlock(&data->update_lock);
5563e27d
RM		 696
697 return count;
698}
699
5563e27d
RM		 700static ssize_t
701show_pwm_mode(struct device *dev, struct device_attribute *attr,
702 char *buf)
703{
704 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
705 int nr = sensor_attr->index;
706 struct w83792d_data *data = w83792d_update_device(dev);
53e2761b 707 return sprintf(buf, "%d\n", data->pwm[nr] >> 7);
5563e27d
RM		 708}
709
710static ssize_t
711store_pwm_mode(struct device *dev, struct device_attribute *attr,
712 const char *buf, size_t count)
713{
714 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
53e2761b 715 int nr = sensor_attr->index;
5563e27d
RM		 716 struct i2c_client *client = to_i2c_client(dev);
717 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 718 unsigned long val;
719 int err;
5563e27d 720
d1743681
GR		 721 err = kstrtoul(buf, 10, &val);
722 if (err)
723 return err;
724 if (val > 1)
53e2761b
YM		 725 return -EINVAL;
726
727 mutex_lock(&data->update_lock);
728 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]);
729 if (val) { /* PWM mode */
730 data->pwm[nr] |= 0x80;
731 } else { /* DC mode */
732 data->pwm[nr] &= 0x7f;
733 }
734 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
735 mutex_unlock(&data->update_lock);
5563e27d
RM		 736
737 return count;
738}
739
5563e27d 740static ssize_t
1267ce9c 741show_chassis_clear(struct device *dev, struct device_attribute *attr,
5563e27d
RM		 742 char *buf)
743{
744 struct w83792d_data *data = w83792d_update_device(dev);
745 return sprintf(buf, "%d\n", data->chassis);
746}
747
c32301b5
JD		 748static ssize_t
749store_chassis_clear(struct device *dev, struct device_attribute *attr,
750 const char *buf, size_t count)
751{
752 struct i2c_client *client = to_i2c_client(dev);
753 struct w83792d_data *data = i2c_get_clientdata(client);
754 unsigned long val;
755 u8 reg;
756
179c4fdb 757 if (kstrtoul(buf, 10, &val) || val != 0)
c32301b5
JD		 758 return -EINVAL;
759
760 mutex_lock(&data->update_lock);
761 reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR);
762 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80);
763 data->valid = 0; /* Force cache refresh */
764 mutex_unlock(&data->update_lock);
765
766 return count;
767}
768
5563e27d
RM		 769/* For Smart Fan I / Thermal Cruise */
770static ssize_t
771show_thermal_cruise(struct device *dev, struct device_attribute *attr,
772 char *buf)
773{
774 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
775 int nr = sensor_attr->index;
776 struct w83792d_data *data = w83792d_update_device(dev);
777 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]);
778}
779
780static ssize_t
781store_thermal_cruise(struct device *dev, struct device_attribute *attr,
782 const char *buf, size_t count)
783{
784 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
785 int nr = sensor_attr->index - 1;
786 struct i2c_client *client = to_i2c_client(dev);
787 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 788 u8 target_tmp = 0, target_mask = 0;
789 unsigned long val;
790 int err;
791
792 err = kstrtoul(buf, 10, &val);
793 if (err)
794 return err;
5563e27d 795
5563e27d
RM		 796 target_tmp = val;
797 target_tmp = target_tmp & 0x7f;
bed73082 798 mutex_lock(&data->update_lock);
d1743681
GR		 799 target_mask = w83792d_read_value(client,
800 W83792D_REG_THERMAL[nr]) & 0x80;
2a844c14 801 data->thermal_cruise[nr] = clamp_val(target_tmp, 0, 255);
5563e27d
RM		 802 w83792d_write_value(client, W83792D_REG_THERMAL[nr],
803 (data->thermal_cruise[nr]) | target_mask);
bed73082 804 mutex_unlock(&data->update_lock);
5563e27d
RM		 805
806 return count;
807}
808
5563e27d
RM		 809/* For Smart Fan I/Thermal Cruise and Smart Fan II */
810static ssize_t
811show_tolerance(struct device *dev, struct device_attribute *attr,
812 char *buf)
813{
814 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
815 int nr = sensor_attr->index;
816 struct w83792d_data *data = w83792d_update_device(dev);
817 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]);
818}
819
820static ssize_t
821store_tolerance(struct device *dev, struct device_attribute *attr,
822 const char *buf, size_t count)
823{
824 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
825 int nr = sensor_attr->index - 1;
826 struct i2c_client *client = to_i2c_client(dev);
827 struct w83792d_data *data = i2c_get_clientdata(client);
5563e27d 828 u8 tol_tmp, tol_mask;
d1743681
GR		 829 unsigned long val;
830 int err;
831
832 err = kstrtoul(buf, 10, &val);
833 if (err)
834 return err;
5563e27d 835
bed73082 836 mutex_lock(&data->update_lock);
5563e27d
RM		 837 tol_mask = w83792d_read_value(client,
838 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
2a844c14 839 tol_tmp = clamp_val(val, 0, 15);
5563e27d
RM		 840 tol_tmp &= 0x0f;
841 data->tolerance[nr] = tol_tmp;
d1743681 842 if (nr == 1)
5563e27d 843 tol_tmp <<= 4;
5563e27d
RM		 844 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
845 tol_mask | tol_tmp);
bed73082 846 mutex_unlock(&data->update_lock);
5563e27d
RM		 847
848 return count;
849}
850
5563e27d
RM		 851/* For Smart Fan II */
852static ssize_t
853show_sf2_point(struct device *dev, struct device_attribute *attr,
854 char *buf)
855{
d1743681
GR		 856 struct sensor_device_attribute_2 *sensor_attr
857 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 858 int nr = sensor_attr->nr;
859 int index = sensor_attr->index;
860 struct w83792d_data *data = w83792d_update_device(dev);
861 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]);
862}
863
864static ssize_t
865store_sf2_point(struct device *dev, struct device_attribute *attr,
866 const char *buf, size_t count)
867{
d1743681
GR		 868 struct sensor_device_attribute_2 *sensor_attr
869 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 870 int nr = sensor_attr->nr - 1;
871 int index = sensor_attr->index - 1;
872 struct i2c_client *client = to_i2c_client(dev);
873 struct w83792d_data *data = i2c_get_clientdata(client);
5563e27d 874 u8 mask_tmp = 0;
d1743681
GR		 875 unsigned long val;
876 int err;
877
878 err = kstrtoul(buf, 10, &val);
879 if (err)
880 return err;
5563e27d 881
bed73082 882 mutex_lock(&data->update_lock);
2a844c14 883 data->sf2_points[index][nr] = clamp_val(val, 0, 127);
5563e27d
RM		 884 mask_tmp = w83792d_read_value(client,
885 W83792D_REG_POINTS[index][nr]) & 0x80;
886 w83792d_write_value(client, W83792D_REG_POINTS[index][nr],
887 mask_tmp|data->sf2_points[index][nr]);
bed73082 888 mutex_unlock(&data->update_lock);
5563e27d
RM		 889
890 return count;
891}
892
5563e27d
RM		 893static ssize_t
894show_sf2_level(struct device *dev, struct device_attribute *attr,
895 char *buf)
896{
d1743681
GR		 897 struct sensor_device_attribute_2 *sensor_attr
898 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 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, "%d\n",
903 (((data->sf2_levels[index-1][nr]) * 100) / 15));
904}
905
906static ssize_t
907store_sf2_level(struct device *dev, struct device_attribute *attr,
908 const char *buf, size_t count)
909{
d1743681
GR		 910 struct sensor_device_attribute_2 *sensor_attr
911 = to_sensor_dev_attr_2(attr);
5563e27d
RM		 912 int nr = sensor_attr->nr;
913 int index = sensor_attr->index - 1;
914 struct i2c_client *client = to_i2c_client(dev);
915 struct w83792d_data *data = i2c_get_clientdata(client);
d1743681
GR		 916 u8 mask_tmp = 0, level_tmp = 0;
917 unsigned long val;
918 int err;
919
920 err = kstrtoul(buf, 10, &val);
921 if (err)
922 return err;
5563e27d 923
bed73082 924 mutex_lock(&data->update_lock);
2a844c14 925 data->sf2_levels[index][nr] = clamp_val((val * 15) / 100, 0, 15);
5563e27d 926 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
d1743681
GR		 927 & ((nr == 3) ? 0xf0 : 0x0f);
928 if (nr == 3)
5563e27d 929 level_tmp = data->sf2_levels[index][nr];
d1743681 930 else
5563e27d 931 level_tmp = data->sf2_levels[index][nr] << 4;
d1743681
GR		 932 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr],
933 level_tmp | mask_tmp);
bed73082 934 mutex_unlock(&data->update_lock);
5563e27d
RM		 935
936 return count;
937}
938
5563e27d
RM		 939
940static int
31d5d275 941w83792d_detect_subclients(struct i2c_client *new_client)
5563e27d
RM		 942{
943 int i, id, err;
31d5d275 944 int address = new_client->addr;
5563e27d 945 u8 val;
31d5d275 946 struct i2c_adapter *adapter = new_client->adapter;
5563e27d
RM		 947 struct w83792d_data *data = i2c_get_clientdata(new_client);
948
949 id = i2c_adapter_id(adapter);
950 if (force_subclients[0] == id && force_subclients[1] == address) {
951 for (i = 2; i <= 3; i++) {
952 if (force_subclients[i] < 0x48 ||
953 force_subclients[i] > 0x4f) {
954 dev_err(&new_client->dev, "invalid subclient "
955 "address %d; must be 0x48-0x4f\n",
956 force_subclients[i]);
957 err = -ENODEV;
958 goto ERROR_SC_0;
959 }
960 }
961 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR,
962 (force_subclients[2] & 0x07) |
963 ((force_subclients[3] & 0x07) << 4));
964 }
965
966 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
d1743681 967 if (!(val & 0x08))
31d5d275 968 data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
5563e27d
RM		 969 if (!(val & 0x80)) {
970 if ((data->lm75[0] != NULL) &&
971 ((val & 0x7) == ((val >> 4) & 0x7))) {
972 dev_err(&new_client->dev, "duplicate addresses 0x%x, "
973 "use force_subclient\n", data->lm75[0]->addr);
974 err = -ENODEV;
975 goto ERROR_SC_1;
976 }
31d5d275
JD		 977 data->lm75[1] = i2c_new_dummy(adapter,
978 0x48 + ((val >> 4) & 0x7));
5563e27d
RM		 979 }
980
981 return 0;
982
983/* Undo inits in case of errors */
984
985ERROR_SC_1:
31d5d275
JD		 986 if (data->lm75[0] != NULL)
987 i2c_unregister_device(data->lm75[0]);
5563e27d
RM		 988ERROR_SC_0:
989 return err;
990}
991
f52f79da
RM		 992static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);
993static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
994static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
995static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
996static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
997static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
998static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
999static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
1000static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
1001static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO,
1002 show_in_min, store_in_min, 0);
1003static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
1004 show_in_min, store_in_min, 1);
1005static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
1006 show_in_min, store_in_min, 2);
1007static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
1008 show_in_min, store_in_min, 3);
1009static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
1010 show_in_min, store_in_min, 4);
1011static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
1012 show_in_min, store_in_min, 5);
1013static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
1014 show_in_min, store_in_min, 6);
1015static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
1016 show_in_min, store_in_min, 7);
1017static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
1018 show_in_min, store_in_min, 8);
1019static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO,
1020 show_in_max, store_in_max, 0);
1021static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
1022 show_in_max, store_in_max, 1);
1023static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
1024 show_in_max, store_in_max, 2);
1025static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
1026 show_in_max, store_in_max, 3);
1027static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
1028 show_in_max, store_in_max, 4);
1029static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
1030 show_in_max, store_in_max, 5);
1031static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
1032 show_in_max, store_in_max, 6);
1033static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
1034 show_in_max, store_in_max, 7);
1035static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
1036 show_in_max, store_in_max, 8);
1037static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0);
1038static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0);
1039static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0);
1040static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR,
1041 show_temp1, store_temp1, 0, 1);
1042static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23,
1043 store_temp23, 0, 2);
1044static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23,
1045 store_temp23, 1, 2);
1046static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR,
1047 show_temp1, store_temp1, 0, 2);
1048static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR,
1049 show_temp23, store_temp23, 0, 4);
1050static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR,
1051 show_temp23, store_temp23, 1, 4);
1052static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
43e61a2d
GJ		 1053static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
1054static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
1055static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2);
1056static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3);
1057static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4);
1058static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5);
1059static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6);
1060static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7);
1061static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8);
1062static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9);
1063static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10);
1064static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11);
1065static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12);
1066static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15);
1067static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19);
1068static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20);
1069static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21);
1070static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22);
1071static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23);
c32301b5 1072static DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
1267ce9c 1073 show_chassis_clear, store_chassis_clear);
f52f79da
RM		 1074static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
1075static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
1076static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2);
1077static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
1078 show_pwmenable, store_pwmenable, 1);
1079static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
1080 show_pwmenable, store_pwmenable, 2);
1081static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
1082 show_pwmenable, store_pwmenable, 3);
1083static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO,
1084 show_pwm_mode, store_pwm_mode, 0);
1085static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO,
1086 show_pwm_mode, store_pwm_mode, 1);
1087static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO,
1088 show_pwm_mode, store_pwm_mode, 2);
1089static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO,
1090 show_tolerance, store_tolerance, 1);
1091static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO,
1092 show_tolerance, store_tolerance, 2);
1093static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO,
1094 show_tolerance, store_tolerance, 3);
1095static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO,
1096 show_thermal_cruise, store_thermal_cruise, 1);
1097static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO,
1098 show_thermal_cruise, store_thermal_cruise, 2);
1099static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO,
1100 show_thermal_cruise, store_thermal_cruise, 3);
1101static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR,
1102 show_sf2_point, store_sf2_point, 1, 1);
1103static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR,
1104 show_sf2_point, store_sf2_point, 2, 1);
1105static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR,
1106 show_sf2_point, store_sf2_point, 3, 1);
1107static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR,
1108 show_sf2_point, store_sf2_point, 4, 1);
1109static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR,
1110 show_sf2_point, store_sf2_point, 1, 2);
1111static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR,
1112 show_sf2_point, store_sf2_point, 2, 2);
1113static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR,
1114 show_sf2_point, store_sf2_point, 3, 2);
1115static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR,
1116 show_sf2_point, store_sf2_point, 4, 2);
1117static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR,
1118 show_sf2_point, store_sf2_point, 1, 3);
1119static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR,
1120 show_sf2_point, store_sf2_point, 2, 3);
1121static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR,
1122 show_sf2_point, store_sf2_point, 3, 3);
1123static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR,
1124 show_sf2_point, store_sf2_point, 4, 3);
1125static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR,
1126 show_sf2_level, store_sf2_level, 1, 1);
1127static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR,
1128 show_sf2_level, store_sf2_level, 2, 1);
1129static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR,
1130 show_sf2_level, store_sf2_level, 3, 1);
1131static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR,
1132 show_sf2_level, store_sf2_level, 1, 2);
1133static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR,
1134 show_sf2_level, store_sf2_level, 2, 2);
1135static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR,
1136 show_sf2_level, store_sf2_level, 3, 2);
1137static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR,
1138 show_sf2_level, store_sf2_level, 1, 3);
1139static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR,
1140 show_sf2_level, store_sf2_level, 2, 3);
1141static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR,
1142 show_sf2_level, store_sf2_level, 3, 3);
1143static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1);
1144static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2);
1145static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3);
1146static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4);
1147static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5);
1148static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6);
1149static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7);
1150static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
1151 show_fan_min, store_fan_min, 1);
1152static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
1153 show_fan_min, store_fan_min, 2);
1154static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
1155 show_fan_min, store_fan_min, 3);
1156static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
1157 show_fan_min, store_fan_min, 4);
1158static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO,
1159 show_fan_min, store_fan_min, 5);
1160static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO,
1161 show_fan_min, store_fan_min, 6);
1162static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO,
1163 show_fan_min, store_fan_min, 7);
1164static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO,
1165 show_fan_div, store_fan_div, 1);
1166static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO,
1167 show_fan_div, store_fan_div, 2);
1168static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO,
1169 show_fan_div, store_fan_div, 3);
1170static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO,
1171 show_fan_div, store_fan_div, 4);
1172static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO,
1173 show_fan_div, store_fan_div, 5);
1174static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO,
1175 show_fan_div, store_fan_div, 6);
1176static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO,
1177 show_fan_div, store_fan_div, 7);
1178
43e61a2d 1179static struct attribute *w83792d_attributes_fan[4][5] = {
f52f79da
RM		 1180 {
1181 &sensor_dev_attr_fan4_input.dev_attr.attr,
1182 &sensor_dev_attr_fan4_min.dev_attr.attr,
1183 &sensor_dev_attr_fan4_div.dev_attr.attr,
43e61a2d 1184 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
f52f79da
RM		 1185 NULL
1186 }, {
1187 &sensor_dev_attr_fan5_input.dev_attr.attr,
1188 &sensor_dev_attr_fan5_min.dev_attr.attr,
1189 &sensor_dev_attr_fan5_div.dev_attr.attr,
43e61a2d 1190 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
f52f79da
RM		 1191 NULL
1192 }, {
1193 &sensor_dev_attr_fan6_input.dev_attr.attr,
1194 &sensor_dev_attr_fan6_min.dev_attr.attr,
1195 &sensor_dev_attr_fan6_div.dev_attr.attr,
43e61a2d 1196 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
f52f79da
RM		 1197 NULL
1198 }, {
1199 &sensor_dev_attr_fan7_input.dev_attr.attr,
1200 &sensor_dev_attr_fan7_min.dev_attr.attr,
1201 &sensor_dev_attr_fan7_div.dev_attr.attr,
43e61a2d 1202 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
f52f79da
RM		 1203 NULL
1204 }
1205};
1206
1207static const struct attribute_group w83792d_group_fan[4] = {
1208 { .attrs = w83792d_attributes_fan[0] },
1209 { .attrs = w83792d_attributes_fan[1] },
1210 { .attrs = w83792d_attributes_fan[2] },
1211 { .attrs = w83792d_attributes_fan[3] },
1212};
1213
1214static struct attribute *w83792d_attributes[] = {
1215 &sensor_dev_attr_in0_input.dev_attr.attr,
1216 &sensor_dev_attr_in0_max.dev_attr.attr,
1217 &sensor_dev_attr_in0_min.dev_attr.attr,
1218 &sensor_dev_attr_in1_input.dev_attr.attr,
1219 &sensor_dev_attr_in1_max.dev_attr.attr,
1220 &sensor_dev_attr_in1_min.dev_attr.attr,
1221 &sensor_dev_attr_in2_input.dev_attr.attr,
1222 &sensor_dev_attr_in2_max.dev_attr.attr,
1223 &sensor_dev_attr_in2_min.dev_attr.attr,
1224 &sensor_dev_attr_in3_input.dev_attr.attr,
1225 &sensor_dev_attr_in3_max.dev_attr.attr,
1226 &sensor_dev_attr_in3_min.dev_attr.attr,
1227 &sensor_dev_attr_in4_input.dev_attr.attr,
1228 &sensor_dev_attr_in4_max.dev_attr.attr,
1229 &sensor_dev_attr_in4_min.dev_attr.attr,
1230 &sensor_dev_attr_in5_input.dev_attr.attr,
1231 &sensor_dev_attr_in5_max.dev_attr.attr,
1232 &sensor_dev_attr_in5_min.dev_attr.attr,
1233 &sensor_dev_attr_in6_input.dev_attr.attr,
1234 &sensor_dev_attr_in6_max.dev_attr.attr,
1235 &sensor_dev_attr_in6_min.dev_attr.attr,
1236 &sensor_dev_attr_in7_input.dev_attr.attr,
1237 &sensor_dev_attr_in7_max.dev_attr.attr,
1238 &sensor_dev_attr_in7_min.dev_attr.attr,
1239 &sensor_dev_attr_in8_input.dev_attr.attr,
1240 &sensor_dev_attr_in8_max.dev_attr.attr,
1241 &sensor_dev_attr_in8_min.dev_attr.attr,
43e61a2d
GJ		 1242 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1243 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1244 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1245 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1246 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1247 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1248 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1249 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1250 &sensor_dev_attr_in8_alarm.dev_attr.attr,
f52f79da
RM		 1251 &sensor_dev_attr_temp1_input.dev_attr.attr,
1252 &sensor_dev_attr_temp1_max.dev_attr.attr,
1253 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
1254 &sensor_dev_attr_temp2_input.dev_attr.attr,
1255 &sensor_dev_attr_temp2_max.dev_attr.attr,
1256 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
1257 &sensor_dev_attr_temp3_input.dev_attr.attr,
1258 &sensor_dev_attr_temp3_max.dev_attr.attr,
1259 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
43e61a2d
GJ		 1260 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1261 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1262 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
f52f79da
RM		 1263 &sensor_dev_attr_pwm1.dev_attr.attr,
1264 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
1265 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1266 &sensor_dev_attr_pwm2.dev_attr.attr,
1267 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
1268 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1269 &sensor_dev_attr_pwm3.dev_attr.attr,
1270 &sensor_dev_attr_pwm3_mode.dev_attr.attr,
1271 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1272 &dev_attr_alarms.attr,
c32301b5 1273 &dev_attr_intrusion0_alarm.attr,
f52f79da
RM		 1274 &sensor_dev_attr_tolerance1.dev_attr.attr,
1275 &sensor_dev_attr_thermal_cruise1.dev_attr.attr,
1276 &sensor_dev_attr_tolerance2.dev_attr.attr,
1277 &sensor_dev_attr_thermal_cruise2.dev_attr.attr,
1278 &sensor_dev_attr_tolerance3.dev_attr.attr,
1279 &sensor_dev_attr_thermal_cruise3.dev_attr.attr,
1280 &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr,
1281 &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr,
1282 &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr,
1283 &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr,
1284 &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr,
1285 &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr,
1286 &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr,
1287 &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr,
1288 &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr,
1289 &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr,
1290 &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr,
1291 &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr,
1292 &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr,
1293 &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr,
1294 &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr,
1295 &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr,
1296 &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr,
1297 &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr,
1298 &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr,
1299 &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr,
1300 &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr,
1301 &sensor_dev_attr_fan1_input.dev_attr.attr,
1302 &sensor_dev_attr_fan1_min.dev_attr.attr,
1303 &sensor_dev_attr_fan1_div.dev_attr.attr,
43e61a2d 1304 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
f52f79da
RM		 1305 &sensor_dev_attr_fan2_input.dev_attr.attr,
1306 &sensor_dev_attr_fan2_min.dev_attr.attr,
1307 &sensor_dev_attr_fan2_div.dev_attr.attr,
43e61a2d 1308 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
f52f79da
RM		 1309 &sensor_dev_attr_fan3_input.dev_attr.attr,
1310 &sensor_dev_attr_fan3_min.dev_attr.attr,
1311 &sensor_dev_attr_fan3_div.dev_attr.attr,
43e61a2d 1312 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
f52f79da
RM		 1313 NULL
1314};
1315
1316static const struct attribute_group w83792d_group = {
1317 .attrs = w83792d_attributes,
1318};
5563e27d 1319
31d5d275 1320/* Return 0 if detection is successful, -ENODEV otherwise */
5563e27d 1321static int
310ec792 1322w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
5563e27d 1323{
31d5d275
JD		 1324 struct i2c_adapter *adapter = client->adapter;
1325 int val1, val2;
1326 unsigned short address = client->addr;
5563e27d 1327
d1743681 1328 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
31d5d275 1329 return -ENODEV;
5563e27d 1330
2de1875a
JD		 1331 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80)
1332 return -ENODEV;
1333
1334 val1 = w83792d_read_value(client, W83792D_REG_BANK);
1335 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1336 /* Check for Winbond ID if in bank 0 */
1337 if (!(val1 & 0x07)) { /* is Bank0 */
1338 if ((!(val1 & 0x80) && val2 != 0xa3) ||
d1743681 1339 ((val1 & 0x80) && val2 != 0x5c))
31d5d275 1340 return -ENODEV;
5563e27d 1341 }
d1743681
GR		 1342 /*
1343 * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
1344 * should match
1345 */
2de1875a
JD		 1346 if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address)
1347 return -ENODEV;
5563e27d 1348
2de1875a 1349 /* Put it now into bank 0 and Vendor ID High Byte */
1f8dae31 1350 w83792d_write_value(client,
5563e27d 1351 W83792D_REG_BANK,
1f8dae31 1352 (w83792d_read_value(client,
5563e27d
RM		 1353 W83792D_REG_BANK) & 0x78) | 0x80);
1354
1355 /* Determine the chip type. */
2de1875a
JD		 1356 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID);
1357 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
1358 if (val1 != 0x7a || val2 != 0x5c)
1359 return -ENODEV;
5563e27d 1360
31d5d275
JD		 1361 strlcpy(info->type, "w83792d", I2C_NAME_SIZE);
1362
1363 return 0;
1364}
1365
1366static int
1367w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
1368{
1369 struct w83792d_data *data;
1370 struct device *dev = &client->dev;
1371 int i, val1, err;
5563e27d 1372
140849e1
GR		 1373 data = devm_kzalloc(dev, sizeof(struct w83792d_data), GFP_KERNEL);
1374 if (!data)
1375 return -ENOMEM;
5563e27d 1376
31d5d275 1377 i2c_set_clientdata(client, data);
5563e27d 1378 data->valid = 0;
9a61bf63 1379 mutex_init(&data->update_lock);
5563e27d 1380
31d5d275
JD		 1381 err = w83792d_detect_subclients(client);
1382 if (err)
140849e1 1383 return err;
5563e27d 1384
5563e27d 1385 /* Initialize the chip */
1f8dae31 1386 w83792d_init_client(client);
5563e27d
RM		 1387
1388 /* A few vars need to be filled upon startup */
96320519 1389 for (i = 0; i < 7; i++) {
1f8dae31 1390 data->fan_min[i] = w83792d_read_value(client,
5563e27d
RM		 1391 W83792D_REG_FAN_MIN[i]);
1392 }
1393
1394 /* Register sysfs hooks */
d1743681
GR		 1395 err = sysfs_create_group(&dev->kobj, &w83792d_group);
1396 if (err)
140849e1 1397 goto exit_i2c_unregister;
96320519 1398
d1743681
GR		 1399 /*
1400 * Read GPIO enable register to check if pins for fan 4,5 are used as
1401 * GPIO
1402 */
1f8dae31 1403 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
f52f79da 1404
d1743681
GR		 1405 if (!(val1 & 0x40)) {
1406 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]);
1407 if (err)
f52f79da 1408 goto exit_remove_files;
d1743681 1409 }
f52f79da 1410
d1743681
GR		 1411 if (!(val1 & 0x20)) {
1412 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]);
1413 if (err)
f52f79da 1414 goto exit_remove_files;
d1743681 1415 }
96320519 1416
1f8dae31 1417 val1 = w83792d_read_value(client, W83792D_REG_PIN);
d1743681
GR		 1418 if (val1 & 0x40) {
1419 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]);
1420 if (err)
f52f79da 1421 goto exit_remove_files;
d1743681 1422 }
f52f79da 1423
d1743681
GR		 1424 if (val1 & 0x04) {
1425 err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]);
1426 if (err)
f52f79da 1427 goto exit_remove_files;
d1743681 1428 }
1f8dae31 1429
1beeffe4
TJ		 1430 data->hwmon_dev = hwmon_device_register(dev);
1431 if (IS_ERR(data->hwmon_dev)) {
1432 err = PTR_ERR(data->hwmon_dev);
f52f79da 1433 goto exit_remove_files;
1f8dae31
YM		 1434 }
1435
5563e27d
RM		 1436 return 0;
1437
f52f79da
RM		 1438exit_remove_files:
1439 sysfs_remove_group(&dev->kobj, &w83792d_group);
1440 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
1441 sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]);
140849e1 1442exit_i2c_unregister:
31d5d275
JD		 1443 if (data->lm75[0] != NULL)
1444 i2c_unregister_device(data->lm75[0]);
1445 if (data->lm75[1] != NULL)
1446 i2c_unregister_device(data->lm75[1]);
5563e27d
RM		 1447 return err;
1448}
1449
1450static int
31d5d275 1451w83792d_remove(struct i2c_client *client)
5563e27d 1452{
ce785ab4 1453 struct w83792d_data *data = i2c_get_clientdata(client);
31d5d275 1454 int i;
ce785ab4 1455
31d5d275
JD		 1456 hwmon_device_unregister(data->hwmon_dev);
1457 sysfs_remove_group(&client->dev.kobj, &w83792d_group);
1458 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
1459 sysfs_remove_group(&client->dev.kobj,
1460 &w83792d_group_fan[i]);
5563e27d 1461
31d5d275
JD		 1462 if (data->lm75[0] != NULL)
1463 i2c_unregister_device(data->lm75[0]);
1464 if (data->lm75[1] != NULL)
1465 i2c_unregister_device(data->lm75[1]);
5563e27d
RM		 1466
1467 return 0;
1468}
1469
5563e27d
RM		 1470static void
1471w83792d_init_client(struct i2c_client *client)
1472{
1473 u8 temp2_cfg, temp3_cfg, vid_in_b;
1474
d1743681 1475 if (init)
5563e27d 1476 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
d1743681
GR		 1477
1478 /*
1479 * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
1480 * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
1481 * vin0/vin1 can be modified by user;
1482 * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
1483 * vin0/vin1 auto-updated, can NOT be modified by user.
1484 */
5563e27d
RM		 1485 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
1486 w83792d_write_value(client, W83792D_REG_VID_IN_B,
1487 vid_in_b & 0xbf);
1488
1489 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG);
1490 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG);
1491 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG,
1492 temp2_cfg & 0xe6);
1493 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG,
1494 temp3_cfg & 0xe6);
1495
1496 /* Start monitoring */
1497 w83792d_write_value(client, W83792D_REG_CONFIG,
1498 (w83792d_read_value(client,
1499 W83792D_REG_CONFIG) & 0xf7)
1500 | 0x01);
1501}
1502
1503static struct w83792d_data *w83792d_update_device(struct device *dev)
1504{
1505 struct i2c_client *client = to_i2c_client(dev);
1506 struct w83792d_data *data = i2c_get_clientdata(client);
1507 int i, j;
53e2761b 1508 u8 reg_array_tmp[4], reg_tmp;
5563e27d 1509
9a61bf63 1510 mutex_lock(&data->update_lock);
5563e27d
RM		 1511
1512 if (time_after
1513 (jiffies - data->last_updated, (unsigned long) (HZ * 3))
1514 || time_before(jiffies, data->last_updated) || !data->valid) {
1515 dev_dbg(dev, "Starting device update\n");
1516
1517 /* Update the voltages measured value and limits */
1518 for (i = 0; i < 9; i++) {
1519 data->in[i] = w83792d_read_value(client,
1520 W83792D_REG_IN[i]);
1521 data->in_max[i] = w83792d_read_value(client,
1522 W83792D_REG_IN_MAX[i]);
1523 data->in_min[i] = w83792d_read_value(client,
1524 W83792D_REG_IN_MIN[i]);
1525 }
99d85560
JD		 1526 data->low_bits = w83792d_read_value(client,
1527 W83792D_REG_LOW_BITS1) +
1528 (w83792d_read_value(client,
1529 W83792D_REG_LOW_BITS2) << 8);
5563e27d
RM		 1530 for (i = 0; i < 7; i++) {
1531 /* Update the Fan measured value and limits */
1532 data->fan[i] = w83792d_read_value(client,
1533 W83792D_REG_FAN[i]);
1534 data->fan_min[i] = w83792d_read_value(client,
1535 W83792D_REG_FAN_MIN[i]);
1536 /* Update the PWM/DC Value and PWM/DC flag */
53e2761b 1537 data->pwm[i] = w83792d_read_value(client,
5563e27d 1538 W83792D_REG_PWM[i]);
5563e27d
RM		 1539 }
1540
1541 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);
1542 data->pwmenable[0] = reg_tmp & 0x03;
1543 data->pwmenable[1] = (reg_tmp>>2) & 0x03;
1544 data->pwmenable[2] = (reg_tmp>>4) & 0x03;
1545
1546 for (i = 0; i < 3; i++) {
1547 data->temp1[i] = w83792d_read_value(client,
1548 W83792D_REG_TEMP1[i]);
1549 }
1550 for (i = 0; i < 2; i++) {
1551 for (j = 0; j < 6; j++) {
1552 data->temp_add[i][j] = w83792d_read_value(
d1743681 1553 client, W83792D_REG_TEMP_ADD[i][j]);
5563e27d
RM		 1554 }
1555 }
1556
1557 /* Update the Fan Divisor */
1558 for (i = 0; i < 4; i++) {
1559 reg_array_tmp[i] = w83792d_read_value(client,
1560 W83792D_REG_FAN_DIV[i]);
1561 }
1562 data->fan_div[0] = reg_array_tmp[0] & 0x07;
1563 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07;
1564 data->fan_div[2] = reg_array_tmp[1] & 0x07;
1565 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07;
1566 data->fan_div[4] = reg_array_tmp[2] & 0x07;
1567 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07;
1568 data->fan_div[6] = reg_array_tmp[3] & 0x07;
1569
1570 /* Update the realtime status */
1571 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) +
1572 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) +
1573 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16);
1574
1575 /* Update CaseOpen status and it's CLR_CHS. */
1576 data->chassis = (w83792d_read_value(client,
1577 W83792D_REG_CHASSIS) >> 5) & 0x01;
5563e27d
RM		 1578
1579 /* Update Thermal Cruise/Smart Fan I target value */
1580 for (i = 0; i < 3; i++) {
1581 data->thermal_cruise[i] =
1582 w83792d_read_value(client,
1583 W83792D_REG_THERMAL[i]) & 0x7f;
1584 }
1585
1586 /* Update Smart Fan I/II tolerance */
1587 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]);
1588 data->tolerance[0] = reg_tmp & 0x0f;
1589 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
1590 data->tolerance[2] = w83792d_read_value(client,
1591 W83792D_REG_TOLERANCE[2]) & 0x0f;
1592
1593 /* Update Smart Fan II temperature points */
1594 for (i = 0; i < 3; i++) {
1595 for (j = 0; j < 4; j++) {
d1743681
GR		 1596 data->sf2_points[i][j]
1597 = w83792d_read_value(client,
1598 W83792D_REG_POINTS[i][j]) & 0x7f;
5563e27d
RM		 1599 }
1600 }
1601
1602 /* Update Smart Fan II duty cycle levels */
1603 for (i = 0; i < 3; i++) {
1604 reg_tmp = w83792d_read_value(client,
1605 W83792D_REG_LEVELS[i][0]);
1606 data->sf2_levels[i][0] = reg_tmp & 0x0f;
1607 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f;
1608 reg_tmp = w83792d_read_value(client,
1609 W83792D_REG_LEVELS[i][2]);
1610 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f;
1611 data->sf2_levels[i][3] = reg_tmp & 0x0f;
1612 }
1613
1614 data->last_updated = jiffies;
1615 data->valid = 1;
1616 }
1617
9a61bf63 1618 mutex_unlock(&data->update_lock);
5563e27d
RM		 1619
1620#ifdef DEBUG
1621 w83792d_print_debug(data, dev);
1622#endif
1623
1624 return data;
1625}
1626
1627#ifdef DEBUG
1628static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
1629{
d1743681 1630 int i = 0, j = 0;
5563e27d
RM		 1631 dev_dbg(dev, "==========The following is the debug message...========\n");
1632 dev_dbg(dev, "9 set of Voltages: =====>\n");
d1743681 1633 for (i = 0; i < 9; i++) {
5563e27d
RM		 1634 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
1635 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
1636 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
1637 }
99d85560
JD		 1638 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
1639 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
5563e27d 1640 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
d1743681 1641 for (i = 0; i < 7; i++) {
5563e27d
RM		 1642 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
1643 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
1644 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]);
5563e27d
RM		 1645 }
1646 dev_dbg(dev, "3 set of Temperatures: =====>\n");
d1743681 1647 for (i = 0; i < 3; i++)
5563e27d 1648 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
5563e27d 1649
d1743681
GR		 1650 for (i = 0; i < 2; i++) {
1651 for (j = 0; j < 6; j++) {
5563e27d
RM		 1652 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
1653 data->temp_add[i][j]);
1654 }
1655 }
1656
d1743681 1657 for (i = 0; i < 7; i++)
5563e27d 1658 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
d1743681
GR		 1659
1660 dev_dbg(dev, "==========End of the debug message...================\n");
5563e27d
RM		 1661 dev_dbg(dev, "\n");
1662}
1663#endif
1664
f0967eea 1665module_i2c_driver(w83792d_driver);
5563e27d
RM		 1666
1667MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
1668MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
1669MODULE_LICENSE("GPL");
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