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
[][5] = {
1598 static struct sensor_device_attribute_2 w83795_fan
[][4] = {
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
[][29] = {
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
[][8] = {
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
)))
1789 for (j
= 0; j
< ARRAY_SIZE(w83795_in
[0]); j
++) {
1790 err
= fn(dev
, &w83795_in
[i
][j
].dev_attr
);
1796 for (i
= 0; i
< ARRAY_SIZE(w83795_fan
); i
++) {
1797 if (!(data
->has_fan
& (1 << i
)))
1799 for (j
= 0; j
< ARRAY_SIZE(w83795_fan
[0]); j
++) {
1800 err
= fn(dev
, &w83795_fan
[i
][j
].dev_attr
);
1806 for (i
= 0; i
< ARRAY_SIZE(sda_single_files
); i
++) {
1807 err
= fn(dev
, &sda_single_files
[i
].dev_attr
);
1812 if (data
->chip_type
== w83795g
) {
1813 for (i
= 0; i
< ARRAY_SIZE(w83795_left_reg
); i
++) {
1814 err
= fn(dev
, &w83795_left_reg
[i
].dev_attr
);
1820 for (i
= 0; i
< ARRAY_SIZE(w83795_temp
); i
++) {
1821 if (!(data
->has_temp
& (1 << i
)))
1823 for (j
= 0; j
< ARRAY_SIZE(w83795_temp
[0]); j
++) {
1824 err
= fn(dev
, &w83795_temp
[i
][j
].dev_attr
);
1830 if (data
->enable_dts
!= 0) {
1831 for (i
= 0; i
< ARRAY_SIZE(w83795_dts
); i
++) {
1832 if (!(data
->has_dts
& (1 << i
)))
1834 for (j
= 0; j
< ARRAY_SIZE(w83795_dts
[0]); j
++) {
1835 err
= fn(dev
, &w83795_dts
[i
][j
].dev_attr
);
1842 for (i
= 0; i
< ARRAY_SIZE(w83795_static
); i
++) {
1843 err
= fn(dev
, &w83795_static
[i
].dev_attr
);
1851 /* We need a wrapper that fits in w83795_handle_files */
1852 static int device_remove_file_wrapper(struct device
*dev
,
1853 const struct device_attribute
*attr
)
1855 device_remove_file(dev
, attr
);
1859 static int w83795_probe(struct i2c_client
*client
,
1860 const struct i2c_device_id
*id
)
1864 struct device
*dev
= &client
->dev
;
1865 struct w83795_data
*data
;
1868 data
= kzalloc(sizeof(struct w83795_data
), GFP_KERNEL
);
1874 i2c_set_clientdata(client
, data
);
1875 data
->chip_type
= id
->driver_data
;
1876 data
->bank
= i2c_smbus_read_byte_data(client
, W83795_REG_BANKSEL
);
1877 mutex_init(&data
->update_lock
);
1879 /* Initialize the chip */
1880 w83795_init_client(client
);
1882 data
->has_in
= w83795_read(client
, W83795_REG_VOLT_CTRL1
);
1883 data
->has_in
|= w83795_read(client
, W83795_REG_VOLT_CTRL2
) << 8;
1884 /* VSEN11-9 not for 795adg */
1885 if (data
->chip_type
== w83795adg
)
1886 data
->has_in
&= 0xf8ff;
1887 data
->has_fan
= w83795_read(client
, W83795_REG_FANIN_CTRL1
);
1888 data
->has_fan
|= w83795_read(client
, W83795_REG_FANIN_CTRL2
) << 8;
1890 /* VDSEN12-17 and TR1-6, TD1-4 use same register */
1891 tmp
= w83795_read(client
, W83795_REG_TEMP_CTRL1
);
1893 data
->enable_dts
= 1;
1895 data
->enable_dts
= 0;
1897 data
->temp_mode
= 0;
1900 data
->has_temp
|= 0x20;
1902 data
->has_in
|= 0x10000;
1906 data
->has_temp
|= 0x10;
1908 data
->has_in
|= 0x8000;
1910 tmp
= w83795_read(client
, W83795_REG_TEMP_CTRL2
);
1912 data
->has_temp
|= 0x08;
1914 data
->temp_mode
|= 0x08;
1915 } else if (tmp
& 0x80) {
1916 data
->has_in
|= 0x100000;
1919 data
->has_temp
|= 0x04;
1921 data
->temp_mode
|= 0x04;
1922 } else if (tmp
& 0x20) {
1923 data
->has_in
|= 0x80000;
1926 data
->has_temp
|= 0x02;
1928 data
->temp_mode
|= 0x02;
1929 } else if (tmp
& 0x08) {
1930 data
->has_in
|= 0x40000;
1933 data
->has_temp
|= 0x01;
1935 data
->temp_mode
|= 0x01;
1936 } else if (tmp
& 0x02) {
1937 data
->has_in
|= 0x20000;
1940 /* Check DTS enable status */
1941 if (data
->enable_dts
== 0) {
1944 if (1 & w83795_read(client
, W83795_REG_DTSC
))
1945 data
->enable_dts
|= 2;
1946 data
->has_dts
= w83795_read(client
, W83795_REG_DTSE
);
1949 /* First update the voltages measured value and limits */
1950 for (i
= 0; i
< ARRAY_SIZE(data
->in
); i
++) {
1951 if (!(data
->has_in
& (1 << i
)))
1953 data
->in
[i
][IN_MAX
] =
1954 w83795_read(client
, W83795_REG_IN
[i
][IN_MAX
]);
1955 data
->in
[i
][IN_LOW
] =
1956 w83795_read(client
, W83795_REG_IN
[i
][IN_LOW
]);
1957 tmp
= w83795_read(client
, W83795_REG_IN
[i
][IN_READ
]) << 2;
1958 tmp
|= (w83795_read(client
, W83795_REG_VRLSB
)
1959 >> VRLSB_SHIFT
) & 0x03;
1960 data
->in
[i
][IN_READ
] = tmp
;
1962 for (i
= 0; i
< IN_LSB_REG_NUM
; i
++) {
1963 data
->in_lsb
[i
][IN_MAX
] =
1964 w83795_read(client
, IN_LSB_REG(i
, IN_MAX
));
1965 data
->in_lsb
[i
][IN_LOW
] =
1966 w83795_read(client
, IN_LSB_REG(i
, IN_LOW
));
1968 data
->has_gain
= w83795_read(client
, W83795_REG_VMIGB_CTRL
) & 0x0f;
1970 /* First update fan and limits */
1971 for (i
= 0; i
< ARRAY_SIZE(data
->fan
); i
++) {
1972 if (!(data
->has_fan
& (1 << i
)))
1975 w83795_read(client
, W83795_REG_FAN_MIN_HL(i
)) << 4;
1977 (w83795_read(client
, W83795_REG_FAN_MIN_LSB(i
) >>
1978 W83795_REG_FAN_MIN_LSB_SHIFT(i
))) & 0x0F;
1979 data
->fan
[i
] = w83795_read(client
, W83795_REG_FAN(i
)) << 4;
1981 (w83795_read(client
, W83795_REG_VRLSB
>> 4)) & 0x0F;
1984 /* temperature and limits */
1985 for (i
= 0; i
< ARRAY_SIZE(data
->temp
); i
++) {
1986 if (!(data
->has_temp
& (1 << i
)))
1988 data
->temp
[i
][TEMP_CRIT
] =
1989 w83795_read(client
, W83795_REG_TEMP
[i
][TEMP_CRIT
]);
1990 data
->temp
[i
][TEMP_CRIT_HYST
] =
1991 w83795_read(client
, W83795_REG_TEMP
[i
][TEMP_CRIT_HYST
]);
1992 data
->temp
[i
][TEMP_WARN
] =
1993 w83795_read(client
, W83795_REG_TEMP
[i
][TEMP_WARN
]);
1994 data
->temp
[i
][TEMP_WARN_HYST
] =
1995 w83795_read(client
, W83795_REG_TEMP
[i
][TEMP_WARN_HYST
]);
1996 data
->temp
[i
][TEMP_READ
] =
1997 w83795_read(client
, W83795_REG_TEMP
[i
][TEMP_READ
]);
1998 data
->temp_read_vrlsb
[i
] =
1999 w83795_read(client
, W83795_REG_VRLSB
);
2002 /* dts temperature and limits */
2003 if (data
->enable_dts
!= 0) {
2004 data
->dts_ext
[DTS_CRIT
] =
2005 w83795_read(client
, W83795_REG_DTS_EXT(DTS_CRIT
));
2006 data
->dts_ext
[DTS_CRIT_HYST
] =
2007 w83795_read(client
, W83795_REG_DTS_EXT(DTS_CRIT_HYST
));
2008 data
->dts_ext
[DTS_WARN
] =
2009 w83795_read(client
, W83795_REG_DTS_EXT(DTS_WARN
));
2010 data
->dts_ext
[DTS_WARN_HYST
] =
2011 w83795_read(client
, W83795_REG_DTS_EXT(DTS_WARN_HYST
));
2012 for (i
= 0; i
< ARRAY_SIZE(data
->dts
); i
++) {
2013 if (!(data
->has_dts
& (1 << i
)))
2015 data
->dts
[i
] = w83795_read(client
, W83795_REG_DTS(i
));
2016 data
->dts_read_vrlsb
[i
] =
2017 w83795_read(client
, W83795_REG_VRLSB
);
2021 /* First update temp source selction */
2022 for (i
= 0; i
< 3; i
++)
2023 data
->temp_src
[i
] = w83795_read(client
, W83795_REG_TSS(i
));
2025 /* pwm and smart fan */
2026 if (data
->chip_type
== w83795g
)
2030 data
->pwm_fcms
[0] = w83795_read(client
, W83795_REG_FCMS1
);
2031 data
->pwm_fcms
[1] = w83795_read(client
, W83795_REG_FCMS2
);
2032 /* w83795adg only support pwm2-0 */
2033 for (i
= 0; i
< W83795_REG_TEMP_NUM
; i
++)
2034 data
->pwm_tfmr
[i
] = w83795_read(client
, W83795_REG_TFMR(i
));
2035 data
->pwm_fomc
= w83795_read(client
, W83795_REG_FOMC
);
2036 for (i
= 0; i
< data
->has_pwm
; i
++) {
2037 for (tmp
= 0; tmp
< 5; tmp
++) {
2039 w83795_read(client
, W83795_REG_PWM(i
, tmp
));
2042 for (i
= 0; i
< 8; i
++) {
2043 data
->target_speed
[i
] =
2044 w83795_read(client
, W83795_REG_FTSH(i
)) << 4;
2045 data
->target_speed
[i
] |=
2046 w83795_read(client
, W83795_REG_FTSL(i
)) >> 4;
2048 data
->tol_speed
= w83795_read(client
, W83795_REG_TFTS
) & 0x3f;
2050 for (i
= 0; i
< W83795_REG_TEMP_NUM
; i
++) {
2051 data
->pwm_temp
[i
][TEMP_PWM_TTTI
] =
2052 w83795_read(client
, W83795_REG_TTTI(i
)) & 0x7f;
2053 data
->pwm_temp
[i
][TEMP_PWM_CTFS
] =
2054 w83795_read(client
, W83795_REG_CTFS(i
));
2055 tmp
= w83795_read(client
, W83795_REG_HT(i
));
2056 data
->pwm_temp
[i
][TEMP_PWM_HCT
] = (tmp
>> 4) & 0x0f;
2057 data
->pwm_temp
[i
][TEMP_PWM_HOT
] = tmp
& 0x0f;
2059 for (i
= 0; i
< W83795_REG_TEMP_NUM
; i
++) {
2060 for (tmp
= 0; tmp
< 7; tmp
++) {
2061 data
->sf4_reg
[i
][SF4_TEMP
][tmp
] =
2063 W83795_REG_SF4_TEMP(i
, tmp
));
2064 data
->sf4_reg
[i
][SF4_PWM
][tmp
] =
2065 w83795_read(client
, W83795_REG_SF4_PWM(i
, tmp
));
2069 /* Setup PWM Register */
2070 for (i
= 0; i
< 3; i
++) {
2071 data
->setup_pwm
[i
] =
2072 w83795_read(client
, W83795_REG_SETUP_PWM(i
));
2075 /* alarm and beep */
2076 for (i
= 0; i
< ALARM_BEEP_REG_NUM
; i
++) {
2077 data
->alarms
[i
] = w83795_read(client
, W83795_REG_ALARM(i
));
2078 data
->beeps
[i
] = w83795_read(client
, W83795_REG_BEEP(i
));
2081 (w83795_read(client
, W83795_REG_BEEP(5)) >> 7) & 0x01;
2083 err
= w83795_handle_files(dev
, device_create_file
);
2087 data
->hwmon_dev
= hwmon_device_register(dev
);
2088 if (IS_ERR(data
->hwmon_dev
)) {
2089 err
= PTR_ERR(data
->hwmon_dev
);
2096 w83795_handle_files(dev
, device_remove_file_wrapper
);
2102 static int w83795_remove(struct i2c_client
*client
)
2104 struct w83795_data
*data
= i2c_get_clientdata(client
);
2106 hwmon_device_unregister(data
->hwmon_dev
);
2107 w83795_handle_files(&client
->dev
, device_remove_file_wrapper
);
2114 static const struct i2c_device_id w83795_id
[] = {
2115 { "w83795g", w83795g
},
2116 { "w83795adg", w83795adg
},
2119 MODULE_DEVICE_TABLE(i2c
, w83795_id
);
2121 static struct i2c_driver w83795_driver
= {
2125 .probe
= w83795_probe
,
2126 .remove
= w83795_remove
,
2127 .id_table
= w83795_id
,
2129 .class = I2C_CLASS_HWMON
,
2130 .detect
= w83795_detect
,
2131 .address_list
= normal_i2c
,
2134 static int __init
sensors_w83795_init(void)
2136 return i2c_add_driver(&w83795_driver
);
2139 static void __exit
sensors_w83795_exit(void)
2141 i2c_del_driver(&w83795_driver
);
2144 MODULE_AUTHOR("Wei Song");
2145 MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver");
2146 MODULE_LICENSE("GPL");
2148 module_init(sensors_w83795_init
);
2149 module_exit(sensors_w83795_exit
);