2 * w83795.c - Linux kernel driver for hardware monitoring
3 * Copyright (C) 2008 Nuvoton Technology Corp.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation - version 2.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 * Supports following chips:
22 * Chip #vin #fanin #pwm #temp #dts wchipid vendid i2c ISA
23 * w83795g 21 14 8 6 8 0x79 0x5ca3 yes no
24 * w83795adg 18 14 2 6 8 0x79 0x5ca3 yes no
27 #include <linux/kernel.h>
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/slab.h>
31 #include <linux/i2c.h>
32 #include <linux/hwmon.h>
33 #include <linux/hwmon-sysfs.h>
34 #include <linux/err.h>
35 #include <linux/mutex.h>
36 #include <linux/delay.h>
38 /* Addresses to scan */
39 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
43 module_param(reset, bool, 0);
44 MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
47 #define W83795_REG_BANKSEL 0x00
48 #define W83795_REG_VENDORID 0xfd
49 #define W83795_REG_CHIPID 0xfe
50 #define W83795_REG_DEVICEID 0xfb
51 #define W83795_REG_DEVICEID_A 0xff
53 #define W83795_REG_I2C_ADDR 0xfc
54 #define W83795_REG_CONFIG 0x01
55 #define W83795_REG_CONFIG_CONFIG48 0x04
57 /* Multi-Function Pin Ctrl Registers */
58 #define W83795_REG_VOLT_CTRL1 0x02
59 #define W83795_REG_VOLT_CTRL2 0x03
60 #define W83795_REG_TEMP_CTRL1 0x04
61 #define W83795_REG_TEMP_CTRL2 0x05
62 #define W83795_REG_FANIN_CTRL1 0x06
63 #define W83795_REG_FANIN_CTRL2 0x07
64 #define W83795_REG_VMIGB_CTRL 0x08
66 #define TEMP_CTRL_DISABLE 0
67 #define TEMP_CTRL_TD 1
68 #define TEMP_CTRL_VSEN 2
69 #define TEMP_CTRL_TR 3
70 #define TEMP_CTRL_SHIFT 4
71 #define TEMP_CTRL_HASIN_SHIFT 5
72 /* temp mode may effect VSEN17-12 (in20-15) */
73 static u16 W83795_REG_TEMP_CTRL[][6] = {
74 /* Disable, TD, VSEN, TR, register shift value, has_in shift num */
75 {0x00, 0x01, 0x02, 0x03, 0, 17}, /* TR1 */
76 {0x00, 0x04, 0x08, 0x0C, 2, 18}, /* TR2 */
77 {0x00, 0x10, 0x20, 0x30, 4, 19}, /* TR3 */
78 {0x00, 0x40, 0x80, 0xC0, 6, 20}, /* TR4 */
79 {0x00, 0x00, 0x02, 0x03, 0, 15}, /* TR5 */
80 {0x00, 0x00, 0x08, 0x0C, 2, 16}, /* TR6 */
85 #define TEMP_CRIT_HYST 2
87 #define TEMP_WARN_HYST 4
88 /* only crit and crit_hyst affect real-time alarm status
89 * current crit crit_hyst warn warn_hyst */
90 static u16 W83795_REG_TEMP[][5] = {
91 {0x21, 0x96, 0x97, 0x98, 0x99}, /* TD1/TR1 */
92 {0x22, 0x9a, 0x9b, 0x9c, 0x9d}, /* TD2/TR2 */
93 {0x23, 0x9e, 0x9f, 0xa0, 0xa1}, /* TD3/TR3 */
94 {0x24, 0xa2, 0xa3, 0xa4, 0xa5}, /* TD4/TR4 */
95 {0x1f, 0xa6, 0xa7, 0xa8, 0xa9}, /* TR5 */
96 {0x20, 0xaa, 0xab, 0xac, 0xad}, /* TR6 */
102 static const u16 W83795_REG_IN[][3] = {
103 /* Current, HL, LL */
104 {0x10, 0x70, 0x71}, /* VSEN1 */
105 {0x11, 0x72, 0x73}, /* VSEN2 */
106 {0x12, 0x74, 0x75}, /* VSEN3 */
107 {0x13, 0x76, 0x77}, /* VSEN4 */
108 {0x14, 0x78, 0x79}, /* VSEN5 */
109 {0x15, 0x7a, 0x7b}, /* VSEN6 */
110 {0x16, 0x7c, 0x7d}, /* VSEN7 */
111 {0x17, 0x7e, 0x7f}, /* VSEN8 */
112 {0x18, 0x80, 0x81}, /* VSEN9 */
113 {0x19, 0x82, 0x83}, /* VSEN10 */
114 {0x1A, 0x84, 0x85}, /* VSEN11 */
115 {0x1B, 0x86, 0x87}, /* VTT */
116 {0x1C, 0x88, 0x89}, /* 3VDD */
117 {0x1D, 0x8a, 0x8b}, /* 3VSB */
118 {0x1E, 0x8c, 0x8d}, /* VBAT */
119 {0x1F, 0xa6, 0xa7}, /* VSEN12 */
120 {0x20, 0xaa, 0xab}, /* VSEN13 */
121 {0x21, 0x96, 0x97}, /* VSEN14 */
122 {0x22, 0x9a, 0x9b}, /* VSEN15 */
123 {0x23, 0x9e, 0x9f}, /* VSEN16 */
124 {0x24, 0xa2, 0xa3}, /* VSEN17 */
126 #define W83795_REG_VRLSB 0x3C
127 #define VRLSB_SHIFT 6
129 static const u8 W83795_REG_IN_HL_LSB[] = {
133 0x94, /* VTT, 3VDD, 3VSB, 3VBAT */
142 #define IN_LSB_REG(index, type) \
143 (((type) == 1) ? W83795_REG_IN_HL_LSB[(index)] \
144 : (W83795_REG_IN_HL_LSB[(index)] + 1))
146 #define IN_LSB_REG_NUM 10
148 #define IN_LSB_SHIFT 0
150 static const u8 IN_LSB_SHIFT_IDX[][2] = {
151 /* High/Low LSB shift, LSB No. */
152 {0x00, 0x00}, /* VSEN1 */
153 {0x02, 0x00}, /* VSEN2 */
154 {0x04, 0x00}, /* VSEN3 */
155 {0x06, 0x00}, /* VSEN4 */
156 {0x00, 0x01}, /* VSEN5 */
157 {0x02, 0x01}, /* VSEN6 */
158 {0x04, 0x01}, /* VSEN7 */
159 {0x06, 0x01}, /* VSEN8 */
160 {0x00, 0x02}, /* VSEN9 */
161 {0x02, 0x02}, /* VSEN10 */
162 {0x04, 0x02}, /* VSEN11 */
163 {0x00, 0x03}, /* VTT */
164 {0x02, 0x03}, /* 3VDD */
165 {0x04, 0x03}, /* 3VSB */
166 {0x06, 0x03}, /* VBAT */
167 {0x06, 0x04}, /* VSEN12 */
168 {0x06, 0x05}, /* VSEN13 */
169 {0x06, 0x06}, /* VSEN14 */
170 {0x06, 0x07}, /* VSEN15 */
171 {0x06, 0x08}, /* VSEN16 */
172 {0x06, 0x09}, /* VSEN17 */
176 /* 3VDD, 3VSB, VBAT * 0.006 */
177 #define REST_VLT_BEGIN 12 /* the 13th volt to 15th */
178 #define REST_VLT_END 14 /* the 13th volt to 15th */
180 #define W83795_REG_FAN(index) (0x2E + (index))
181 #define W83795_REG_FAN_MIN_HL(index) (0xB6 + (index))
182 #define W83795_REG_FAN_MIN_LSB(index) (0xC4 + (index) / 2)
183 #define W83795_REG_FAN_MIN_LSB_SHIFT(index) \
184 (((index) % 1) ? 4 : 0)
186 #define W83795_REG_VID_CTRL 0x6A
188 #define ALARM_BEEP_REG_NUM 6
189 #define W83795_REG_ALARM(index) (0x41 + (index))
190 #define W83795_REG_BEEP(index) (0x50 + (index))
192 #define W83795_REG_CLR_CHASSIS 0x4D
195 #define W83795_REG_TEMP_NUM 6
196 #define W83795_REG_FCMS1 0x201
197 #define W83795_REG_FCMS2 0x208
198 #define W83795_REG_TFMR(index) (0x202 + (index))
199 #define W83795_REG_FOMC 0x20F
200 #define W83795_REG_FOPFP(index) (0x218 + (index))
202 #define W83795_REG_TSS(index) (0x209 + (index))
206 #define PWM_NONSTOP 2
207 #define PWM_STOP_TIME 3
209 #define W83795_REG_PWM(index, nr) \
210 (((nr) == 0 ? 0x210 : \
211 (nr) == 1 ? 0x220 : \
212 (nr) == 2 ? 0x228 : \
213 (nr) == 3 ? 0x230 : 0x218) + (index))
215 #define W83795_REG_FOPFP_DIV(index) \
216 (((index) < 8) ? ((index) + 1) : \
217 ((index) == 8) ? 12 : \
218 (16 << ((index) - 9)))
220 #define W83795_REG_FTSH(index) (0x240 + (index) * 2)
221 #define W83795_REG_FTSL(index) (0x241 + (index) * 2)
222 #define W83795_REG_TFTS 0x250
224 #define TEMP_PWM_TTTI 0
225 #define TEMP_PWM_CTFS 1
226 #define TEMP_PWM_HCT 2
227 #define TEMP_PWM_HOT 3
228 #define W83795_REG_TTTI(index) (0x260 + (index))
229 #define W83795_REG_CTFS(index) (0x268 + (index))
230 #define W83795_REG_HT(index) (0x270 + (index))
234 #define W83795_REG_SF4_TEMP(temp_num, index) \
235 (0x280 + 0x10 * (temp_num) + (index))
236 #define W83795_REG_SF4_PWM(temp_num, index) \
237 (0x288 + 0x10 * (temp_num) + (index))
239 #define W83795_REG_DTSC 0x301
240 #define W83795_REG_DTSE 0x302
241 #define W83795_REG_DTS(index) (0x26 + (index))
244 #define DTS_CRIT_HYST 1
246 #define DTS_WARN_HYST 3
247 #define W83795_REG_DTS_EXT(index) (0xB2 + (index))
249 #define SETUP_PWM_DEFAULT 0
250 #define SETUP_PWM_UPTIME 1
251 #define SETUP_PWM_DOWNTIME 2
252 #define W83795_REG_SETUP_PWM(index) (0x20C + (index))
254 static inline u16 in_from_reg(u8 index, u16 val)
256 if ((index >= REST_VLT_BEGIN) && (index <= REST_VLT_END))
262 static inline u16 in_to_reg(u8 index, u16 val)
264 if ((index >= REST_VLT_BEGIN) && (index <= REST_VLT_END))
270 static inline unsigned long fan_from_reg(u16 val)
272 if ((val >= 0xff0) || (val == 0))
274 return 1350000UL / val;
277 static inline u16 fan_to_reg(long rpm)
281 return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe);
284 static inline unsigned long time_from_reg(u8 reg)
289 static inline u8 time_to_reg(unsigned long val)
291 return SENSORS_LIMIT((val + 50) / 100, 0, 0xff);
294 static inline long temp_from_reg(s8 reg)
299 static inline s8 temp_to_reg(long val, s8 min, s8 max)
301 return SENSORS_LIMIT((val < 0 ? -val : val) / 1000, min, max);
305 enum chip_types {w83795g, w83795adg};
308 struct device *hwmon_dev;
309 struct mutex update_lock;
310 unsigned long last_updated; /* In jiffies */
311 enum chip_types chip_type;
315 u32 has_in; /* Enable monitor VIN or not */
316 u16 in[21][3]; /* Register value, read/high/low */
317 u8 in_lsb[10][3]; /* LSB Register value, high/low */
318 u8 has_gain; /* has gain: in17-20 * 8 */
320 u16 has_fan; /* Enable fan14-1 or not */
321 u16 fan[14]; /* Register value combine */
322 u16 fan_min[14]; /* Register value combine */
324 u8 has_temp; /* Enable monitor temp6-1 or not */
325 u8 temp[6][5]; /* current, crit, crit_hyst, warn, warn_hyst */
326 u8 temp_read_vrlsb[6];
327 u8 temp_mode; /* bit 0: TR mode, bit 1: TD mode */
328 u8 temp_src[3]; /* Register value */
330 u8 enable_dts; /* Enable PECI and SB-TSI,
331 * bit 0: =1 enable, =0 disable,
332 * bit 1: =1 AMD SB-TSI, =0 Intel PECI */
333 u8 has_dts; /* Enable monitor DTS temp */
334 u8 dts[8]; /* Register value */
335 u8 dts_read_vrlsb[8]; /* Register value */
336 u8 dts_ext[4]; /* Register value */
338 u8 has_pwm; /* 795g supports 8 pwm, 795adg only supports 2,
339 * no config register, only affected by chip
341 u8 pwm[8][5]; /* Register value, output, start, non stop, stop
343 u8 pwm_fcms[2]; /* Register value */
344 u8 pwm_tfmr[6]; /* Register value */
345 u8 pwm_fomc; /* Register value */
347 u16 target_speed[8]; /* Register value, target speed for speed
349 u8 tol_speed; /* tolerance of target speed */
350 u8 pwm_temp[6][4]; /* TTTI, CTFS, HCT, HOT */
351 u8 sf4_reg[6][2][7]; /* 6 temp, temp/dcpwm, 7 registers */
353 u8 setup_pwm[3]; /* Register value */
355 u8 alarms[6]; /* Register value */
356 u8 beeps[6]; /* Register value */
364 * We assume that nobdody can change the bank outside the driver.
367 /* Must be called with data->update_lock held, except during initialization */
368 static int w83795_set_bank(struct i2c_client *client, u8 bank)
370 struct w83795_data *data = i2c_get_clientdata(client);
373 /* If the same bank is already set, nothing to do */
374 if ((data->bank & 0x07) == bank)
377 /* Change to new bank, preserve all other bits */
378 bank |= data->bank & ~0x07;
379 err = i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, bank);
381 dev_err(&client->dev,
382 "Failed to set bank to %d, err %d\n",
391 /* Must be called with data->update_lock held, except during initialization */
392 static u8 w83795_read(struct i2c_client *client, u16 reg)
396 err = w83795_set_bank(client, reg >> 8);
398 return 0x00; /* Arbitrary */
400 err = i2c_smbus_read_byte_data(client, reg & 0xff);
402 dev_err(&client->dev,
403 "Failed to read from register 0x%03x, err %d\n",
405 return 0x00; /* Arbitrary */
410 /* Must be called with data->update_lock held, except during initialization */
411 static int w83795_write(struct i2c_client *client, u16 reg, u8 value)
415 err = w83795_set_bank(client, reg >> 8);
419 err = i2c_smbus_write_byte_data(client, reg & 0xff, value);
421 dev_err(&client->dev,
422 "Failed to write to register 0x%03x, err %d\n",
427 static struct w83795_data *w83795_update_device(struct device *dev)
429 struct i2c_client *client = to_i2c_client(dev);
430 struct w83795_data *data = i2c_get_clientdata(client);
434 mutex_lock(&data->update_lock);
436 if (!(time_after(jiffies, data->last_updated + HZ * 2)
440 /* Update the voltages value */
441 for (i = 0; i < ARRAY_SIZE(data->in); i++) {
442 if (!(data->has_in & (1 << i)))
444 tmp = w83795_read(client, W83795_REG_IN[i][IN_READ]) << 2;
445 tmp |= (w83795_read(client, W83795_REG_VRLSB)
446 >> VRLSB_SHIFT) & 0x03;
447 data->in[i][IN_READ] = tmp;
451 for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
452 if (!(data->has_fan & (1 << i)))
454 data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4;
456 (w83795_read(client, W83795_REG_VRLSB >> 4)) & 0x0F;
459 /* Update temperature */
460 for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
461 /* even stop monitor, register still keep value, just read out
463 if (!(data->has_temp & (1 << i))) {
464 data->temp[i][TEMP_READ] = 0;
465 data->temp_read_vrlsb[i] = 0;
468 data->temp[i][TEMP_READ] =
469 w83795_read(client, W83795_REG_TEMP[i][TEMP_READ]);
470 data->temp_read_vrlsb[i] =
471 w83795_read(client, W83795_REG_VRLSB);
474 /* Update dts temperature */
475 if (data->enable_dts != 0) {
476 for (i = 0; i < ARRAY_SIZE(data->dts); i++) {
477 if (!(data->has_dts & (1 << i)))
480 w83795_read(client, W83795_REG_DTS(i));
481 data->dts_read_vrlsb[i] =
482 w83795_read(client, W83795_REG_VRLSB);
486 /* Update pwm output */
487 for (i = 0; i < data->has_pwm; i++) {
488 data->pwm[i][PWM_OUTPUT] =
489 w83795_read(client, W83795_REG_PWM(i, PWM_OUTPUT));
493 for (i = 0; i < ALARM_BEEP_REG_NUM; i++)
494 data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i));
496 data->last_updated = jiffies;
500 mutex_unlock(&data->update_lock);
508 #define ALARM_STATUS 0
509 #define BEEP_ENABLE 1
511 show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf)
513 struct w83795_data *data = w83795_update_device(dev);
514 struct sensor_device_attribute_2 *sensor_attr =
515 to_sensor_dev_attr_2(attr);
516 int nr = sensor_attr->nr;
517 int index = sensor_attr->index >> 3;
518 int bit = sensor_attr->index & 0x07;
521 if (ALARM_STATUS == nr) {
522 val = (data->alarms[index] >> (bit)) & 1;
523 } else { /* BEEP_ENABLE */
524 val = (data->beeps[index] >> (bit)) & 1;
527 return sprintf(buf, "%u\n", val);
531 store_beep(struct device *dev, struct device_attribute *attr,
532 const char *buf, size_t count)
534 struct i2c_client *client = to_i2c_client(dev);
535 struct w83795_data *data = i2c_get_clientdata(client);
536 struct sensor_device_attribute_2 *sensor_attr =
537 to_sensor_dev_attr_2(attr);
538 int index = sensor_attr->index >> 3;
539 int shift = sensor_attr->index & 0x07;
540 u8 beep_bit = 1 << shift;
543 if (strict_strtoul(buf, 10, &val) < 0)
545 if (val != 0 && val != 1)
548 mutex_lock(&data->update_lock);
549 data->beeps[index] = w83795_read(client, W83795_REG_BEEP(index));
550 data->beeps[index] &= ~beep_bit;
551 data->beeps[index] |= val << shift;
552 w83795_write(client, W83795_REG_BEEP(index), data->beeps[index]);
553 mutex_unlock(&data->update_lock);
559 show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf)
561 struct i2c_client *client = to_i2c_client(dev);
562 struct w83795_data *data = i2c_get_clientdata(client);
563 return sprintf(buf, "%u\n", data->beep_enable);
567 store_beep_enable(struct device *dev, struct device_attribute *attr,
568 const char *buf, size_t count)
570 struct i2c_client *client = to_i2c_client(dev);
571 struct w83795_data *data = i2c_get_clientdata(client);
575 if (strict_strtoul(buf, 10, &val) < 0)
577 if (val != 0 && val != 1)
580 mutex_lock(&data->update_lock);
581 data->beep_enable = val;
582 tmp = w83795_read(client, W83795_REG_BEEP(5));
585 w83795_write(client, W83795_REG_BEEP(5), tmp);
586 mutex_unlock(&data->update_lock);
591 /* Write any value to clear chassis alarm */
593 store_chassis_clear(struct device *dev,
594 struct device_attribute *attr, const char *buf,
597 struct i2c_client *client = to_i2c_client(dev);
598 struct w83795_data *data = i2c_get_clientdata(client);
601 mutex_lock(&data->update_lock);
602 val = w83795_read(client, W83795_REG_CLR_CHASSIS);
604 w83795_write(client, W83795_REG_CLR_CHASSIS, val);
605 mutex_unlock(&data->update_lock);
612 show_fan(struct device *dev, struct device_attribute *attr, char *buf)
614 struct sensor_device_attribute_2 *sensor_attr =
615 to_sensor_dev_attr_2(attr);
616 int nr = sensor_attr->nr;
617 int index = sensor_attr->index;
618 struct w83795_data *data = w83795_update_device(dev);
622 val = data->fan[index] & 0x0fff;
624 val = data->fan_min[index] & 0x0fff;
626 return sprintf(buf, "%lu\n", fan_from_reg(val));
630 store_fan_min(struct device *dev, struct device_attribute *attr,
631 const char *buf, size_t count)
633 struct sensor_device_attribute_2 *sensor_attr =
634 to_sensor_dev_attr_2(attr);
635 int index = sensor_attr->index;
636 struct i2c_client *client = to_i2c_client(dev);
637 struct w83795_data *data = i2c_get_clientdata(client);
640 if (strict_strtoul(buf, 10, &val))
642 val = fan_to_reg(val);
644 mutex_lock(&data->update_lock);
645 data->fan_min[index] = val;
646 w83795_write(client, W83795_REG_FAN_MIN_HL(index), (val >> 4) & 0xff);
650 val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index))
653 val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index))
656 w83795_write(client, W83795_REG_FAN_MIN_LSB(index), val & 0xff);
657 mutex_unlock(&data->update_lock);
663 show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
665 struct w83795_data *data = w83795_update_device(dev);
666 struct sensor_device_attribute_2 *sensor_attr =
667 to_sensor_dev_attr_2(attr);
668 int nr = sensor_attr->nr;
669 int index = sensor_attr->index;
674 val = time_from_reg(data->pwm[index][nr]);
677 val = W83795_REG_FOPFP_DIV(data->pwm[index][nr] & 0x0f);
680 val = data->pwm[index][nr];
684 return sprintf(buf, "%u\n", val);
688 store_pwm(struct device *dev, struct device_attribute *attr,
689 const char *buf, size_t count)
691 struct i2c_client *client = to_i2c_client(dev);
692 struct w83795_data *data = i2c_get_clientdata(client);
693 struct sensor_device_attribute_2 *sensor_attr =
694 to_sensor_dev_attr_2(attr);
695 int nr = sensor_attr->nr;
696 int index = sensor_attr->index;
700 if (strict_strtoul(buf, 10, &val) < 0)
703 mutex_lock(&data->update_lock);
706 val = time_to_reg(val);
709 for (i = 0; i < 16; i++) {
710 if (W83795_REG_FOPFP_DIV(i) == val) {
717 val |= w83795_read(client, W83795_REG_PWM(index, nr)) & 0x80;
720 val = SENSORS_LIMIT(val, 0, 0xff);
723 w83795_write(client, W83795_REG_PWM(index, nr), val);
724 data->pwm[index][nr] = val & 0xff;
725 mutex_unlock(&data->update_lock);
728 mutex_unlock(&data->update_lock);
733 show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
735 struct sensor_device_attribute_2 *sensor_attr =
736 to_sensor_dev_attr_2(attr);
737 struct i2c_client *client = to_i2c_client(dev);
738 struct w83795_data *data = i2c_get_clientdata(client);
739 int index = sensor_attr->index;
742 if (1 == (data->pwm_fcms[0] & (1 << index))) {
746 for (tmp = 0; tmp < 6; tmp++) {
747 if (data->pwm_tfmr[tmp] & (1 << index)) {
752 if (data->pwm_fomc & (1 << index))
758 return sprintf(buf, "%u\n", tmp);
762 store_pwm_enable(struct device *dev, struct device_attribute *attr,
763 const char *buf, size_t count)
765 struct i2c_client *client = to_i2c_client(dev);
766 struct w83795_data *data = i2c_get_clientdata(client);
767 struct sensor_device_attribute_2 *sensor_attr =
768 to_sensor_dev_attr_2(attr);
769 int index = sensor_attr->index;
773 if (strict_strtoul(buf, 10, &val) < 0)
778 mutex_lock(&data->update_lock);
782 data->pwm_fcms[0] &= ~(1 << index);
783 w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]);
784 for (i = 0; i < 6; i++) {
785 data->pwm_tfmr[i] &= ~(1 << index);
786 w83795_write(client, W83795_REG_TFMR(i),
789 data->pwm_fomc |= 1 << index;
790 data->pwm_fomc ^= val << index;
791 w83795_write(client, W83795_REG_FOMC, data->pwm_fomc);
794 data->pwm_fcms[0] |= (1 << index);
795 w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]);
798 mutex_unlock(&data->update_lock);
803 show_temp_src(struct device *dev, struct device_attribute *attr, char *buf)
805 struct sensor_device_attribute_2 *sensor_attr =
806 to_sensor_dev_attr_2(attr);
807 struct i2c_client *client = to_i2c_client(dev);
808 struct w83795_data *data = i2c_get_clientdata(client);
809 int index = sensor_attr->index;
811 u8 tmp = data->temp_src[val];
820 return sprintf(buf, "%u\n", tmp);
824 store_temp_src(struct device *dev, struct device_attribute *attr,
825 const char *buf, size_t count)
827 struct i2c_client *client = to_i2c_client(dev);
828 struct w83795_data *data = i2c_get_clientdata(client);
829 struct sensor_device_attribute_2 *sensor_attr =
830 to_sensor_dev_attr_2(attr);
831 int index = sensor_attr->index;
835 if (strict_strtoul(buf, 10, &tmp) < 0)
837 tmp = SENSORS_LIMIT(tmp, 0, 15);
839 mutex_lock(&data->update_lock);
842 data->temp_src[val] &= 0x0f;
844 data->temp_src[val] &= 0xf0;
846 data->temp_src[val] |= tmp;
847 w83795_write(client, W83795_REG_TSS(val), data->temp_src[val]);
848 mutex_unlock(&data->update_lock);
853 #define TEMP_PWM_ENABLE 0
854 #define TEMP_PWM_FAN_MAP 1
856 show_temp_pwm_enable(struct device *dev, struct device_attribute *attr,
859 struct i2c_client *client = to_i2c_client(dev);
860 struct w83795_data *data = i2c_get_clientdata(client);
861 struct sensor_device_attribute_2 *sensor_attr =
862 to_sensor_dev_attr_2(attr);
863 int nr = sensor_attr->nr;
864 int index = sensor_attr->index;
868 case TEMP_PWM_ENABLE:
869 tmp = (data->pwm_fcms[1] >> index) & 1;
875 case TEMP_PWM_FAN_MAP:
876 tmp = data->pwm_tfmr[index];
880 return sprintf(buf, "%u\n", tmp);
884 store_temp_pwm_enable(struct device *dev, struct device_attribute *attr,
885 const char *buf, size_t count)
887 struct i2c_client *client = to_i2c_client(dev);
888 struct w83795_data *data = i2c_get_clientdata(client);
889 struct sensor_device_attribute_2 *sensor_attr =
890 to_sensor_dev_attr_2(attr);
891 int nr = sensor_attr->nr;
892 int index = sensor_attr->index;
895 if (strict_strtoul(buf, 10, &tmp) < 0)
899 case TEMP_PWM_ENABLE:
900 if ((tmp != 3) && (tmp != 4))
903 mutex_lock(&data->update_lock);
904 data->pwm_fcms[1] &= ~(1 << index);
905 data->pwm_fcms[1] |= tmp << index;
906 w83795_write(client, W83795_REG_FCMS2, data->pwm_fcms[1]);
907 mutex_unlock(&data->update_lock);
909 case TEMP_PWM_FAN_MAP:
910 mutex_lock(&data->update_lock);
911 tmp = SENSORS_LIMIT(tmp, 0, 0xff);
912 w83795_write(client, W83795_REG_TFMR(index), tmp);
913 data->pwm_tfmr[index] = tmp;
914 mutex_unlock(&data->update_lock);
920 #define FANIN_TARGET 0
923 show_fanin(struct device *dev, struct device_attribute *attr, char *buf)
925 struct i2c_client *client = to_i2c_client(dev);
926 struct w83795_data *data = i2c_get_clientdata(client);
927 struct sensor_device_attribute_2 *sensor_attr =
928 to_sensor_dev_attr_2(attr);
929 int nr = sensor_attr->nr;
930 int index = sensor_attr->index;
935 tmp = fan_from_reg(data->target_speed[index]);
938 tmp = data->tol_speed;
942 return sprintf(buf, "%u\n", tmp);
946 store_fanin(struct device *dev, struct device_attribute *attr,
947 const char *buf, size_t count)
949 struct i2c_client *client = to_i2c_client(dev);
950 struct w83795_data *data = i2c_get_clientdata(client);
951 struct sensor_device_attribute_2 *sensor_attr =
952 to_sensor_dev_attr_2(attr);
953 int nr = sensor_attr->nr;
954 int index = sensor_attr->index;
957 if (strict_strtoul(buf, 10, &val) < 0)
960 mutex_lock(&data->update_lock);
963 val = fan_to_reg(SENSORS_LIMIT(val, 0, 0xfff));
964 w83795_write(client, W83795_REG_FTSH(index), (val >> 4) & 0xff);
965 w83795_write(client, W83795_REG_FTSL(index), (val << 4) & 0xf0);
966 data->target_speed[index] = val;
969 val = SENSORS_LIMIT(val, 0, 0x3f);
970 w83795_write(client, W83795_REG_TFTS, val);
971 data->tol_speed = val;
974 mutex_unlock(&data->update_lock);
981 show_temp_pwm(struct device *dev, struct device_attribute *attr, char *buf)
983 struct i2c_client *client = to_i2c_client(dev);
984 struct w83795_data *data = i2c_get_clientdata(client);
985 struct sensor_device_attribute_2 *sensor_attr =
986 to_sensor_dev_attr_2(attr);
987 int nr = sensor_attr->nr;
988 int index = sensor_attr->index;
989 long tmp = temp_from_reg(data->pwm_temp[index][nr]);
991 return sprintf(buf, "%ld\n", tmp);
995 store_temp_pwm(struct device *dev, struct device_attribute *attr,
996 const char *buf, size_t count)
998 struct i2c_client *client = to_i2c_client(dev);
999 struct w83795_data *data = i2c_get_clientdata(client);
1000 struct sensor_device_attribute_2 *sensor_attr =
1001 to_sensor_dev_attr_2(attr);
1002 int nr = sensor_attr->nr;
1003 int index = sensor_attr->index;
1007 if (strict_strtoul(buf, 10, &val) < 0)
1011 mutex_lock(&data->update_lock);
1014 val = SENSORS_LIMIT(val, 0, 0x7f);
1015 w83795_write(client, W83795_REG_TTTI(index), val);
1018 val = SENSORS_LIMIT(val, 0, 0x7f);
1019 w83795_write(client, W83795_REG_CTFS(index), val);
1022 val = SENSORS_LIMIT(val, 0, 0x0f);
1023 tmp = w83795_read(client, W83795_REG_HT(index));
1025 tmp |= (val << 4) & 0xf0;
1026 w83795_write(client, W83795_REG_HT(index), tmp);
1029 val = SENSORS_LIMIT(val, 0, 0x0f);
1030 tmp = w83795_read(client, W83795_REG_HT(index));
1033 w83795_write(client, W83795_REG_HT(index), tmp);
1036 data->pwm_temp[index][nr] = val;
1037 mutex_unlock(&data->update_lock);
1043 show_sf4_pwm(struct device *dev, struct device_attribute *attr, char *buf)
1045 struct i2c_client *client = to_i2c_client(dev);
1046 struct w83795_data *data = i2c_get_clientdata(client);
1047 struct sensor_device_attribute_2 *sensor_attr =
1048 to_sensor_dev_attr_2(attr);
1049 int nr = sensor_attr->nr;
1050 int index = sensor_attr->index;
1052 return sprintf(buf, "%u\n", data->sf4_reg[index][SF4_PWM][nr]);
1056 store_sf4_pwm(struct device *dev, struct device_attribute *attr,
1057 const char *buf, size_t count)
1059 struct i2c_client *client = to_i2c_client(dev);
1060 struct w83795_data *data = i2c_get_clientdata(client);
1061 struct sensor_device_attribute_2 *sensor_attr =
1062 to_sensor_dev_attr_2(attr);
1063 int nr = sensor_attr->nr;
1064 int index = sensor_attr->index;
1067 if (strict_strtoul(buf, 10, &val) < 0)
1070 mutex_lock(&data->update_lock);
1071 w83795_write(client, W83795_REG_SF4_PWM(index, nr), val);
1072 data->sf4_reg[index][SF4_PWM][nr] = val;
1073 mutex_unlock(&data->update_lock);
1079 show_sf4_temp(struct device *dev, struct device_attribute *attr, char *buf)
1081 struct i2c_client *client = to_i2c_client(dev);
1082 struct w83795_data *data = i2c_get_clientdata(client);
1083 struct sensor_device_attribute_2 *sensor_attr =
1084 to_sensor_dev_attr_2(attr);
1085 int nr = sensor_attr->nr;
1086 int index = sensor_attr->index;
1088 return sprintf(buf, "%u\n",
1089 (data->sf4_reg[index][SF4_TEMP][nr]) * 1000);
1093 store_sf4_temp(struct device *dev, struct device_attribute *attr,
1094 const char *buf, size_t count)
1096 struct i2c_client *client = to_i2c_client(dev);
1097 struct w83795_data *data = i2c_get_clientdata(client);
1098 struct sensor_device_attribute_2 *sensor_attr =
1099 to_sensor_dev_attr_2(attr);
1100 int nr = sensor_attr->nr;
1101 int index = sensor_attr->index;
1104 if (strict_strtoul(buf, 10, &val) < 0)
1108 mutex_lock(&data->update_lock);
1109 w83795_write(client, W83795_REG_SF4_TEMP(index, nr), val);
1110 data->sf4_reg[index][SF4_TEMP][nr] = val;
1111 mutex_unlock(&data->update_lock);
1118 show_temp(struct device *dev, struct device_attribute *attr, char *buf)
1120 struct sensor_device_attribute_2 *sensor_attr =
1121 to_sensor_dev_attr_2(attr);
1122 int nr = sensor_attr->nr;
1123 int index = sensor_attr->index;
1124 struct w83795_data *data = w83795_update_device(dev);
1125 long temp = temp_from_reg(data->temp[index][nr] & 0x7f);
1127 if (TEMP_READ == nr)
1128 temp += ((data->temp_read_vrlsb[index] >> VRLSB_SHIFT) & 0x03)
1130 if (data->temp[index][nr] & 0x80)
1132 return sprintf(buf, "%ld\n", temp);
1136 store_temp(struct device *dev, struct device_attribute *attr,
1137 const char *buf, size_t count)
1139 struct sensor_device_attribute_2 *sensor_attr =
1140 to_sensor_dev_attr_2(attr);
1141 int nr = sensor_attr->nr;
1142 int index = sensor_attr->index;
1143 struct i2c_client *client = to_i2c_client(dev);
1144 struct w83795_data *data = i2c_get_clientdata(client);
1147 if (strict_strtol(buf, 10, &tmp) < 0)
1150 mutex_lock(&data->update_lock);
1151 data->temp[index][nr] = temp_to_reg(tmp, -128, 127);
1152 w83795_write(client, W83795_REG_TEMP[index][nr], data->temp[index][nr]);
1153 mutex_unlock(&data->update_lock);
1159 show_dts_mode(struct device *dev, struct device_attribute *attr, char *buf)
1161 struct i2c_client *client = to_i2c_client(dev);
1162 struct w83795_data *data = i2c_get_clientdata(client);
1163 struct sensor_device_attribute_2 *sensor_attr =
1164 to_sensor_dev_attr_2(attr);
1165 int index = sensor_attr->index;
1168 if (data->enable_dts == 0)
1169 return sprintf(buf, "%d\n", 0);
1171 if ((data->has_dts >> index) & 0x01) {
1172 if (data->enable_dts & 2)
1180 return sprintf(buf, "%d\n", tmp);
1184 show_dts(struct device *dev, struct device_attribute *attr, char *buf)
1186 struct sensor_device_attribute_2 *sensor_attr =
1187 to_sensor_dev_attr_2(attr);
1188 int index = sensor_attr->index;
1189 struct w83795_data *data = w83795_update_device(dev);
1190 long temp = temp_from_reg(data->dts[index] & 0x7f);
1192 temp += ((data->dts_read_vrlsb[index] >> VRLSB_SHIFT) & 0x03) * 250;
1193 if (data->dts[index] & 0x80)
1195 return sprintf(buf, "%ld\n", temp);
1199 show_dts_ext(struct device *dev, struct device_attribute *attr, char *buf)
1201 struct sensor_device_attribute_2 *sensor_attr =
1202 to_sensor_dev_attr_2(attr);
1203 int nr = sensor_attr->nr;
1204 struct i2c_client *client = to_i2c_client(dev);
1205 struct w83795_data *data = i2c_get_clientdata(client);
1206 long temp = temp_from_reg(data->dts_ext[nr] & 0x7f);
1208 if (data->dts_ext[nr] & 0x80)
1210 return sprintf(buf, "%ld\n", temp);
1214 store_dts_ext(struct device *dev, struct device_attribute *attr,
1215 const char *buf, size_t count)
1217 struct sensor_device_attribute_2 *sensor_attr =
1218 to_sensor_dev_attr_2(attr);
1219 int nr = sensor_attr->nr;
1220 struct i2c_client *client = to_i2c_client(dev);
1221 struct w83795_data *data = i2c_get_clientdata(client);
1224 if (strict_strtol(buf, 10, &tmp) < 0)
1227 mutex_lock(&data->update_lock);
1228 data->dts_ext[nr] = temp_to_reg(tmp, -128, 127);
1229 w83795_write(client, W83795_REG_DTS_EXT(nr), data->dts_ext[nr]);
1230 mutex_unlock(&data->update_lock);
1236 Type 3: Thermal diode
1244 show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
1246 struct i2c_client *client = to_i2c_client(dev);
1247 struct w83795_data *data = i2c_get_clientdata(client);
1248 struct sensor_device_attribute_2 *sensor_attr =
1249 to_sensor_dev_attr_2(attr);
1250 int index = sensor_attr->index;
1253 if (data->has_temp >> index & 0x01) {
1254 if (data->temp_mode >> index & 0x01)
1262 return sprintf(buf, "%d\n", tmp);
1266 store_temp_mode(struct device *dev, struct device_attribute *attr,
1267 const char *buf, size_t count)
1269 struct i2c_client *client = to_i2c_client(dev);
1270 struct w83795_data *data = i2c_get_clientdata(client);
1271 struct sensor_device_attribute_2 *sensor_attr =
1272 to_sensor_dev_attr_2(attr);
1273 int index = sensor_attr->index;
1278 if (strict_strtoul(buf, 10, &val) < 0)
1280 if ((val != 4) && (val != 3))
1282 if ((index > 3) && (val == 3))
1285 mutex_lock(&data->update_lock);
1288 data->has_temp |= 1 << index;
1289 data->temp_mode |= 1 << index;
1290 } else if (val == 4) {
1292 data->has_temp |= 1 << index;
1294 data->temp_mode &= ~tmp;
1298 tmp = w83795_read(client, W83795_REG_TEMP_CTRL1);
1300 tmp = w83795_read(client, W83795_REG_TEMP_CTRL2);
1302 mask = 0x03 << W83795_REG_TEMP_CTRL[index][TEMP_CTRL_SHIFT];
1304 tmp |= W83795_REG_TEMP_CTRL[index][val];
1306 mask = 1 << W83795_REG_TEMP_CTRL[index][TEMP_CTRL_HASIN_SHIFT];
1307 data->has_in &= ~mask;
1310 w83795_write(client, W83795_REG_TEMP_CTRL1, tmp);
1312 w83795_write(client, W83795_REG_TEMP_CTRL2, tmp);
1314 mutex_unlock(&data->update_lock);
1319 /* show/store VIN */
1321 show_in(struct device *dev, struct device_attribute *attr, char *buf)
1323 struct sensor_device_attribute_2 *sensor_attr =
1324 to_sensor_dev_attr_2(attr);
1325 int nr = sensor_attr->nr;
1326 int index = sensor_attr->index;
1327 struct w83795_data *data = w83795_update_device(dev);
1328 u16 val = data->in[index][nr];
1333 /* calculate this value again by sensors as sensors3.conf */
1334 if ((index >= 17) &&
1335 ((data->has_gain >> (index - 17)) & 1))
1340 lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX];
1342 val |= (data->in_lsb[lsb_idx][nr] >>
1343 IN_LSB_SHIFT_IDX[lsb_idx][IN_LSB_SHIFT]) & 0x03;
1344 if ((index >= 17) &&
1345 ((data->has_gain >> (index - 17)) & 1))
1349 val = in_from_reg(index, val);
1351 return sprintf(buf, "%d\n", val);
1355 store_in(struct device *dev, struct device_attribute *attr,
1356 const char *buf, size_t count)
1358 struct sensor_device_attribute_2 *sensor_attr =
1359 to_sensor_dev_attr_2(attr);
1360 int nr = sensor_attr->nr;
1361 int index = sensor_attr->index;
1362 struct i2c_client *client = to_i2c_client(dev);
1363 struct w83795_data *data = i2c_get_clientdata(client);
1368 if (strict_strtoul(buf, 10, &val) < 0)
1370 val = in_to_reg(index, val);
1372 if ((index >= 17) &&
1373 ((data->has_gain >> (index - 17)) & 1))
1375 val = SENSORS_LIMIT(val, 0, 0x3FF);
1376 mutex_lock(&data->update_lock);
1378 lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX];
1379 tmp = w83795_read(client, IN_LSB_REG(lsb_idx, nr));
1380 tmp &= ~(0x03 << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]);
1381 tmp |= (val & 0x03) << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT];
1382 w83795_write(client, IN_LSB_REG(lsb_idx, nr), tmp);
1383 data->in_lsb[lsb_idx][nr] = tmp;
1385 tmp = (val >> 2) & 0xff;
1386 w83795_write(client, W83795_REG_IN[index][nr], tmp);
1387 data->in[index][nr] = tmp;
1389 mutex_unlock(&data->update_lock);
1395 show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf)
1397 struct sensor_device_attribute_2 *sensor_attr =
1398 to_sensor_dev_attr_2(attr);
1399 int nr = sensor_attr->nr;
1400 struct i2c_client *client = to_i2c_client(dev);
1401 struct w83795_data *data = i2c_get_clientdata(client);
1402 u16 val = data->setup_pwm[nr];
1405 case SETUP_PWM_UPTIME:
1406 case SETUP_PWM_DOWNTIME:
1407 val = time_from_reg(val);
1411 return sprintf(buf, "%d\n", val);
1415 store_sf_setup(struct device *dev, struct device_attribute *attr,
1416 const char *buf, size_t count)
1418 struct sensor_device_attribute_2 *sensor_attr =
1419 to_sensor_dev_attr_2(attr);
1420 int nr = sensor_attr->nr;
1421 struct i2c_client *client = to_i2c_client(dev);
1422 struct w83795_data *data = i2c_get_clientdata(client);
1425 if (strict_strtoul(buf, 10, &val) < 0)
1429 case SETUP_PWM_DEFAULT:
1430 val = SENSORS_LIMIT(val, 0, 0xff);
1432 case SETUP_PWM_UPTIME:
1433 case SETUP_PWM_DOWNTIME:
1434 val = time_to_reg(val);
1440 mutex_lock(&data->update_lock);
1441 data->setup_pwm[nr] = val;
1442 w83795_write(client, W83795_REG_SETUP_PWM(nr), val);
1443 mutex_unlock(&data->update_lock);
1450 #define SENSOR_ATTR_IN(index) \
1451 SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \
1453 SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \
1454 store_in, IN_MAX, index), \
1455 SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \
1456 store_in, IN_LOW, index), \
1457 SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \
1458 NULL, ALARM_STATUS, index + ((index > 14) ? 1 : 0)), \
1459 SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \
1460 show_alarm_beep, store_beep, BEEP_ENABLE, \
1461 index + ((index > 14) ? 1 : 0))
1463 #define SENSOR_ATTR_FAN(index) \
1464 SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \
1465 NULL, FAN_INPUT, index - 1), \
1466 SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \
1467 show_fan, store_fan_min, FAN_MIN, index - 1), \
1468 SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \
1469 NULL, ALARM_STATUS, index + 31), \
1470 SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \
1471 show_alarm_beep, store_beep, BEEP_ENABLE, index + 31)
1473 #define SENSOR_ATTR_PWM(index) \
1474 SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \
1475 store_pwm, PWM_OUTPUT, index - 1), \
1476 SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \
1477 show_pwm, store_pwm, PWM_NONSTOP, index - 1), \
1478 SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \
1479 show_pwm, store_pwm, PWM_START, index - 1), \
1480 SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \
1481 show_pwm, store_pwm, PWM_STOP_TIME, index - 1), \
1482 SENSOR_ATTR_2(fan##index##_div, S_IWUSR | S_IRUGO, \
1483 show_pwm, store_pwm, PWM_DIV, index - 1), \
1484 SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO, \
1485 show_pwm_enable, store_pwm_enable, NOT_USED, index - 1)
1487 #define SENSOR_ATTR_FANIN_TARGET(index) \
1488 SENSOR_ATTR_2(speed_cruise##index##_target, S_IWUSR | S_IRUGO, \
1489 show_fanin, store_fanin, FANIN_TARGET, index - 1)
1491 #define SENSOR_ATTR_DTS(index) \
1492 SENSOR_ATTR_2(temp##index##_type, S_IRUGO , \
1493 show_dts_mode, NULL, NOT_USED, index - 7), \
1494 SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_dts, \
1495 NULL, NOT_USED, index - 7), \
1496 SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_dts_ext, \
1497 store_dts_ext, DTS_CRIT, NOT_USED), \
1498 SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \
1499 show_dts_ext, store_dts_ext, DTS_CRIT_HYST, NOT_USED), \
1500 SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_dts_ext, \
1501 store_dts_ext, DTS_WARN, NOT_USED), \
1502 SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \
1503 show_dts_ext, store_dts_ext, DTS_WARN_HYST, NOT_USED), \
1504 SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \
1505 show_alarm_beep, NULL, ALARM_STATUS, index + 17), \
1506 SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
1507 show_alarm_beep, store_beep, BEEP_ENABLE, index + 17)
1509 #define SENSOR_ATTR_TEMP(index) \
1510 SENSOR_ATTR_2(temp##index##_type, S_IRUGO | S_IWUSR, \
1511 show_temp_mode, store_temp_mode, NOT_USED, index - 1), \
1512 SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \
1513 NULL, TEMP_READ, index - 1), \
1514 SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \
1515 store_temp, TEMP_CRIT, index - 1), \
1516 SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \
1517 show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \
1518 SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_temp, \
1519 store_temp, TEMP_WARN, index - 1), \
1520 SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \
1521 show_temp, store_temp, TEMP_WARN_HYST, index - 1), \
1522 SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \
1523 show_alarm_beep, NULL, ALARM_STATUS, \
1524 index + (index > 4 ? 11 : 17)), \
1525 SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
1526 show_alarm_beep, store_beep, BEEP_ENABLE, \
1527 index + (index > 4 ? 11 : 17)), \
1528 SENSOR_ATTR_2(temp##index##_source_sel, S_IWUSR | S_IRUGO, \
1529 show_temp_src, store_temp_src, NOT_USED, index - 1), \
1530 SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \
1531 show_temp_pwm_enable, store_temp_pwm_enable, \
1532 TEMP_PWM_ENABLE, index - 1), \
1533 SENSOR_ATTR_2(temp##index##_auto_channels_pwm, S_IWUSR | S_IRUGO, \
1534 show_temp_pwm_enable, store_temp_pwm_enable, \
1535 TEMP_PWM_FAN_MAP, index - 1), \
1536 SENSOR_ATTR_2(thermal_cruise##index, S_IWUSR | S_IRUGO, \
1537 show_temp_pwm, store_temp_pwm, TEMP_PWM_TTTI, index - 1), \
1538 SENSOR_ATTR_2(temp##index##_crit, S_IWUSR | S_IRUGO, \
1539 show_temp_pwm, store_temp_pwm, TEMP_PWM_CTFS, index - 1), \
1540 SENSOR_ATTR_2(temp##index##_crit_hyst, S_IWUSR | S_IRUGO, \
1541 show_temp_pwm, store_temp_pwm, TEMP_PWM_HCT, index - 1), \
1542 SENSOR_ATTR_2(temp##index##_operation_hyst, S_IWUSR | S_IRUGO, \
1543 show_temp_pwm, store_temp_pwm, TEMP_PWM_HOT, index - 1), \
1544 SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \
1545 show_sf4_pwm, store_sf4_pwm, 0, index - 1), \
1546 SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \
1547 show_sf4_pwm, store_sf4_pwm, 1, index - 1), \
1548 SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \
1549 show_sf4_pwm, store_sf4_pwm, 2, index - 1), \
1550 SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \
1551 show_sf4_pwm, store_sf4_pwm, 3, index - 1), \
1552 SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \
1553 show_sf4_pwm, store_sf4_pwm, 4, index - 1), \
1554 SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \
1555 show_sf4_pwm, store_sf4_pwm, 5, index - 1), \
1556 SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \
1557 show_sf4_pwm, store_sf4_pwm, 6, index - 1), \
1558 SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\
1559 show_sf4_temp, store_sf4_temp, 0, index - 1), \
1560 SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\
1561 show_sf4_temp, store_sf4_temp, 1, index - 1), \
1562 SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\
1563 show_sf4_temp, store_sf4_temp, 2, index - 1), \
1564 SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\
1565 show_sf4_temp, store_sf4_temp, 3, index - 1), \
1566 SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\
1567 show_sf4_temp, store_sf4_temp, 4, index - 1), \
1568 SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\
1569 show_sf4_temp, store_sf4_temp, 5, index - 1), \
1570 SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\
1571 show_sf4_temp, store_sf4_temp, 6, index - 1)
1574 static struct sensor_device_attribute_2 w83795_in[] = {
1598 static struct sensor_device_attribute_2 w83795_fan[] = {
1608 SENSOR_ATTR_FAN(10),
1609 SENSOR_ATTR_FAN(11),
1610 SENSOR_ATTR_FAN(12),
1611 SENSOR_ATTR_FAN(13),
1612 SENSOR_ATTR_FAN(14),
1615 static struct sensor_device_attribute_2 w83795_temp[] = {
1616 SENSOR_ATTR_TEMP(1),
1617 SENSOR_ATTR_TEMP(2),
1618 SENSOR_ATTR_TEMP(3),
1619 SENSOR_ATTR_TEMP(4),
1620 SENSOR_ATTR_TEMP(5),
1621 SENSOR_ATTR_TEMP(6),
1624 static struct sensor_device_attribute_2 w83795_dts[] = {
1628 SENSOR_ATTR_DTS(10),
1629 SENSOR_ATTR_DTS(11),
1630 SENSOR_ATTR_DTS(12),
1631 SENSOR_ATTR_DTS(13),
1632 SENSOR_ATTR_DTS(14),
1635 static struct sensor_device_attribute_2 w83795_static[] = {
1636 SENSOR_ATTR_FANIN_TARGET(1),
1637 SENSOR_ATTR_FANIN_TARGET(2),
1638 SENSOR_ATTR_FANIN_TARGET(3),
1639 SENSOR_ATTR_FANIN_TARGET(4),
1640 SENSOR_ATTR_FANIN_TARGET(5),
1641 SENSOR_ATTR_FANIN_TARGET(6),
1642 SENSOR_ATTR_FANIN_TARGET(7),
1643 SENSOR_ATTR_FANIN_TARGET(8),
1648 /* all registers existed in 795g than 795adg,
1649 * like PWM3 - PWM8 */
1650 static struct sensor_device_attribute_2 w83795_left_reg[] = {
1659 static struct sensor_device_attribute_2 sda_single_files[] = {
1660 SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
1661 store_chassis_clear, ALARM_STATUS, 46),
1662 SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable,
1663 store_beep_enable, NOT_USED, NOT_USED),
1664 SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin,
1665 store_fanin, FANIN_TOL, NOT_USED),
1666 SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup,
1667 store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED),
1668 SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup,
1669 store_sf_setup, SETUP_PWM_UPTIME, NOT_USED),
1670 SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup,
1671 store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED),
1678 static void w83795_init_client(struct i2c_client *client)
1681 w83795_write(client, W83795_REG_CONFIG, 0x80);
1683 /* Start monitoring */
1684 w83795_write(client, W83795_REG_CONFIG,
1685 w83795_read(client, W83795_REG_CONFIG) | 0x01);
1688 static int w83795_get_device_id(struct i2c_client *client)
1692 device_id = i2c_smbus_read_byte_data(client, W83795_REG_DEVICEID);
1694 /* Special case for rev. A chips; can't be checked first because later
1695 revisions emulate this for compatibility */
1696 if (device_id < 0 || (device_id & 0xf0) != 0x50) {
1699 alt_id = i2c_smbus_read_byte_data(client,
1700 W83795_REG_DEVICEID_A);
1708 /* Return 0 if detection is successful, -ENODEV otherwise */
1709 static int w83795_detect(struct i2c_client *client,
1710 struct i2c_board_info *info)
1712 int bank, vendor_id, device_id, expected, i2c_addr, config;
1713 struct i2c_adapter *adapter = client->adapter;
1714 unsigned short address = client->addr;
1715 const char *chip_name;
1717 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1719 bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL);
1720 if (bank < 0 || (bank & 0x7c)) {
1721 dev_dbg(&adapter->dev,
1722 "w83795: Detection failed at addr 0x%02hx, check %s\n",
1727 /* Check Nuvoton vendor ID */
1728 vendor_id = i2c_smbus_read_byte_data(client, W83795_REG_VENDORID);
1729 expected = bank & 0x80 ? 0x5c : 0xa3;
1730 if (vendor_id != expected) {
1731 dev_dbg(&adapter->dev,
1732 "w83795: Detection failed at addr 0x%02hx, check %s\n",
1733 address, "vendor id");
1737 /* Check device ID */
1738 device_id = w83795_get_device_id(client) |
1739 (i2c_smbus_read_byte_data(client, W83795_REG_CHIPID) << 8);
1740 if ((device_id >> 4) != 0x795) {
1741 dev_dbg(&adapter->dev,
1742 "w83795: Detection failed at addr 0x%02hx, check %s\n",
1743 address, "device id\n");
1747 /* If Nuvoton chip, address of chip and W83795_REG_I2C_ADDR
1749 if ((bank & 0x07) == 0) {
1750 i2c_addr = i2c_smbus_read_byte_data(client,
1751 W83795_REG_I2C_ADDR);
1752 if ((i2c_addr & 0x7f) != address) {
1753 dev_dbg(&adapter->dev,
1754 "w83795: Detection failed at addr 0x%02hx, "
1755 "check %s\n", address, "i2c addr");
1760 /* Check 795 chip type: 795G or 795ADG
1761 Usually we don't write to chips during detection, but here we don't
1762 quite have the choice; hopefully it's OK, we are about to return
1764 if ((bank & 0x07) != 0)
1765 i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL,
1767 config = i2c_smbus_read_byte_data(client, W83795_REG_CONFIG);
1768 if (config & W83795_REG_CONFIG_CONFIG48)
1769 chip_name = "w83795adg";
1771 chip_name = "w83795g";
1773 strlcpy(info->type, chip_name, I2C_NAME_SIZE);
1774 dev_info(&adapter->dev, "Found %s rev. %c at 0x%02hx\n", chip_name,
1775 'A' + (device_id & 0xf), address);
1780 static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
1781 const struct device_attribute *))
1783 struct w83795_data *data = dev_get_drvdata(dev);
1786 for (i = 0; i < ARRAY_SIZE(w83795_in); i++) {
1787 if (!(data->has_in & (1 << (i / 6))))
1789 err = fn(dev, &w83795_in[i].dev_attr);
1794 for (i = 0; i < ARRAY_SIZE(w83795_fan); i++) {
1795 if (!(data->has_fan & (1 << (i / 5))))
1797 err = fn(dev, &w83795_fan[i].dev_attr);
1802 for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
1803 err = fn(dev, &sda_single_files[i].dev_attr);
1808 if (data->chip_type == w83795g) {
1809 for (i = 0; i < ARRAY_SIZE(w83795_left_reg); i++) {
1810 err = fn(dev, &w83795_left_reg[i].dev_attr);
1816 for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) {
1817 if (!(data->has_temp & (1 << (i / 29))))
1819 err = fn(dev, &w83795_temp[i].dev_attr);
1824 if (data->enable_dts != 0) {
1825 for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) {
1826 if (!(data->has_dts & (1 << (i / 8))))
1828 err = fn(dev, &w83795_dts[i].dev_attr);
1834 for (i = 0; i < ARRAY_SIZE(w83795_static); i++) {
1835 err = fn(dev, &w83795_static[i].dev_attr);
1843 /* We need a wrapper that fits in w83795_handle_files */
1844 static int device_remove_file_wrapper(struct device *dev,
1845 const struct device_attribute *attr)
1847 device_remove_file(dev, attr);
1851 static int w83795_probe(struct i2c_client *client,
1852 const struct i2c_device_id *id)
1856 struct device *dev = &client->dev;
1857 struct w83795_data *data;
1860 data = kzalloc(sizeof(struct w83795_data), GFP_KERNEL);
1866 i2c_set_clientdata(client, data);
1867 data->chip_type = id->driver_data;
1868 data->bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL);
1869 mutex_init(&data->update_lock);
1871 /* Initialize the chip */
1872 w83795_init_client(client);
1874 data->has_in = w83795_read(client, W83795_REG_VOLT_CTRL1);
1875 data->has_in |= w83795_read(client, W83795_REG_VOLT_CTRL2) << 8;
1876 /* VSEN11-9 not for 795adg */
1877 if (data->chip_type == w83795adg)
1878 data->has_in &= 0xf8ff;
1879 data->has_fan = w83795_read(client, W83795_REG_FANIN_CTRL1);
1880 data->has_fan |= w83795_read(client, W83795_REG_FANIN_CTRL2) << 8;
1882 /* VDSEN12-17 and TR1-6, TD1-4 use same register */
1883 tmp = w83795_read(client, W83795_REG_TEMP_CTRL1);
1885 data->enable_dts = 1;
1887 data->enable_dts = 0;
1889 data->temp_mode = 0;
1892 data->has_temp |= 0x20;
1894 data->has_in |= 0x10000;
1898 data->has_temp |= 0x10;
1900 data->has_in |= 0x8000;
1902 tmp = w83795_read(client, W83795_REG_TEMP_CTRL2);
1904 data->has_temp |= 0x08;
1906 data->temp_mode |= 0x08;
1907 } else if (tmp & 0x80) {
1908 data->has_in |= 0x100000;
1911 data->has_temp |= 0x04;
1913 data->temp_mode |= 0x04;
1914 } else if (tmp & 0x20) {
1915 data->has_in |= 0x80000;
1918 data->has_temp |= 0x02;
1920 data->temp_mode |= 0x02;
1921 } else if (tmp & 0x08) {
1922 data->has_in |= 0x40000;
1925 data->has_temp |= 0x01;
1927 data->temp_mode |= 0x01;
1928 } else if (tmp & 0x02) {
1929 data->has_in |= 0x20000;
1932 /* Check DTS enable status */
1933 if (data->enable_dts == 0) {
1936 if (1 & w83795_read(client, W83795_REG_DTSC))
1937 data->enable_dts |= 2;
1938 data->has_dts = w83795_read(client, W83795_REG_DTSE);
1941 /* First update the voltages measured value and limits */
1942 for (i = 0; i < ARRAY_SIZE(data->in); i++) {
1943 if (!(data->has_in & (1 << i)))
1945 data->in[i][IN_MAX] =
1946 w83795_read(client, W83795_REG_IN[i][IN_MAX]);
1947 data->in[i][IN_LOW] =
1948 w83795_read(client, W83795_REG_IN[i][IN_LOW]);
1949 tmp = w83795_read(client, W83795_REG_IN[i][IN_READ]) << 2;
1950 tmp |= (w83795_read(client, W83795_REG_VRLSB)
1951 >> VRLSB_SHIFT) & 0x03;
1952 data->in[i][IN_READ] = tmp;
1954 for (i = 0; i < IN_LSB_REG_NUM; i++) {
1955 data->in_lsb[i][IN_MAX] =
1956 w83795_read(client, IN_LSB_REG(i, IN_MAX));
1957 data->in_lsb[i][IN_LOW] =
1958 w83795_read(client, IN_LSB_REG(i, IN_LOW));
1960 data->has_gain = w83795_read(client, W83795_REG_VMIGB_CTRL) & 0x0f;
1962 /* First update fan and limits */
1963 for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
1964 if (!(data->has_fan & (1 << i)))
1967 w83795_read(client, W83795_REG_FAN_MIN_HL(i)) << 4;
1969 (w83795_read(client, W83795_REG_FAN_MIN_LSB(i) >>
1970 W83795_REG_FAN_MIN_LSB_SHIFT(i))) & 0x0F;
1971 data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4;
1973 (w83795_read(client, W83795_REG_VRLSB >> 4)) & 0x0F;
1976 /* temperature and limits */
1977 for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
1978 if (!(data->has_temp & (1 << i)))
1980 data->temp[i][TEMP_CRIT] =
1981 w83795_read(client, W83795_REG_TEMP[i][TEMP_CRIT]);
1982 data->temp[i][TEMP_CRIT_HYST] =
1983 w83795_read(client, W83795_REG_TEMP[i][TEMP_CRIT_HYST]);
1984 data->temp[i][TEMP_WARN] =
1985 w83795_read(client, W83795_REG_TEMP[i][TEMP_WARN]);
1986 data->temp[i][TEMP_WARN_HYST] =
1987 w83795_read(client, W83795_REG_TEMP[i][TEMP_WARN_HYST]);
1988 data->temp[i][TEMP_READ] =
1989 w83795_read(client, W83795_REG_TEMP[i][TEMP_READ]);
1990 data->temp_read_vrlsb[i] =
1991 w83795_read(client, W83795_REG_VRLSB);
1994 /* dts temperature and limits */
1995 if (data->enable_dts != 0) {
1996 data->dts_ext[DTS_CRIT] =
1997 w83795_read(client, W83795_REG_DTS_EXT(DTS_CRIT));
1998 data->dts_ext[DTS_CRIT_HYST] =
1999 w83795_read(client, W83795_REG_DTS_EXT(DTS_CRIT_HYST));
2000 data->dts_ext[DTS_WARN] =
2001 w83795_read(client, W83795_REG_DTS_EXT(DTS_WARN));
2002 data->dts_ext[DTS_WARN_HYST] =
2003 w83795_read(client, W83795_REG_DTS_EXT(DTS_WARN_HYST));
2004 for (i = 0; i < ARRAY_SIZE(data->dts); i++) {
2005 if (!(data->has_dts & (1 << i)))
2007 data->dts[i] = w83795_read(client, W83795_REG_DTS(i));
2008 data->dts_read_vrlsb[i] =
2009 w83795_read(client, W83795_REG_VRLSB);
2013 /* First update temp source selction */
2014 for (i = 0; i < 3; i++)
2015 data->temp_src[i] = w83795_read(client, W83795_REG_TSS(i));
2017 /* pwm and smart fan */
2018 if (data->chip_type == w83795g)
2022 data->pwm_fcms[0] = w83795_read(client, W83795_REG_FCMS1);
2023 data->pwm_fcms[1] = w83795_read(client, W83795_REG_FCMS2);
2024 /* w83795adg only support pwm2-0 */
2025 for (i = 0; i < W83795_REG_TEMP_NUM; i++)
2026 data->pwm_tfmr[i] = w83795_read(client, W83795_REG_TFMR(i));
2027 data->pwm_fomc = w83795_read(client, W83795_REG_FOMC);
2028 for (i = 0; i < data->has_pwm; i++) {
2029 for (tmp = 0; tmp < 5; tmp++) {
2031 w83795_read(client, W83795_REG_PWM(i, tmp));
2034 for (i = 0; i < 8; i++) {
2035 data->target_speed[i] =
2036 w83795_read(client, W83795_REG_FTSH(i)) << 4;
2037 data->target_speed[i] |=
2038 w83795_read(client, W83795_REG_FTSL(i)) >> 4;
2040 data->tol_speed = w83795_read(client, W83795_REG_TFTS) & 0x3f;
2042 for (i = 0; i < W83795_REG_TEMP_NUM; i++) {
2043 data->pwm_temp[i][TEMP_PWM_TTTI] =
2044 w83795_read(client, W83795_REG_TTTI(i)) & 0x7f;
2045 data->pwm_temp[i][TEMP_PWM_CTFS] =
2046 w83795_read(client, W83795_REG_CTFS(i));
2047 tmp = w83795_read(client, W83795_REG_HT(i));
2048 data->pwm_temp[i][TEMP_PWM_HCT] = (tmp >> 4) & 0x0f;
2049 data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f;
2051 for (i = 0; i < W83795_REG_TEMP_NUM; i++) {
2052 for (tmp = 0; tmp < 7; tmp++) {
2053 data->sf4_reg[i][SF4_TEMP][tmp] =
2055 W83795_REG_SF4_TEMP(i, tmp));
2056 data->sf4_reg[i][SF4_PWM][tmp] =
2057 w83795_read(client, W83795_REG_SF4_PWM(i, tmp));
2061 /* Setup PWM Register */
2062 for (i = 0; i < 3; i++) {
2063 data->setup_pwm[i] =
2064 w83795_read(client, W83795_REG_SETUP_PWM(i));
2067 /* alarm and beep */
2068 for (i = 0; i < ALARM_BEEP_REG_NUM; i++) {
2069 data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i));
2070 data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i));
2073 (w83795_read(client, W83795_REG_BEEP(5)) >> 7) & 0x01;
2075 err = w83795_handle_files(dev, device_create_file);
2079 data->hwmon_dev = hwmon_device_register(dev);
2080 if (IS_ERR(data->hwmon_dev)) {
2081 err = PTR_ERR(data->hwmon_dev);
2088 w83795_handle_files(dev, device_remove_file_wrapper);
2094 static int w83795_remove(struct i2c_client *client)
2096 struct w83795_data *data = i2c_get_clientdata(client);
2098 hwmon_device_unregister(data->hwmon_dev);
2099 w83795_handle_files(&client->dev, device_remove_file_wrapper);
2106 static const struct i2c_device_id w83795_id[] = {
2107 { "w83795g", w83795g },
2108 { "w83795adg", w83795adg },
2111 MODULE_DEVICE_TABLE(i2c, w83795_id);
2113 static struct i2c_driver w83795_driver = {
2117 .probe = w83795_probe,
2118 .remove = w83795_remove,
2119 .id_table = w83795_id,
2121 .class = I2C_CLASS_HWMON,
2122 .detect = w83795_detect,
2123 .address_list = normal_i2c,
2126 static int __init sensors_w83795_init(void)
2128 return i2c_add_driver(&w83795_driver);
2131 static void __exit sensors_w83795_exit(void)
2133 i2c_del_driver(&w83795_driver);
2136 MODULE_AUTHOR("Wei Song");
2137 MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver");
2138 MODULE_LICENSE("GPL");
2140 module_init(sensors_w83795_init);
2141 module_exit(sensors_w83795_exit);