2 adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
4 Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
5 Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
9 <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf>
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/jiffies.h>
30 #include <linux/i2c.h>
31 #include <linux/hwmon.h>
32 #include <linux/hwmon-sysfs.h>
33 #include <linux/hwmon-vid.h>
34 #include <linux/err.h>
35 #include <linux/mutex.h>
37 /* Addresses to scan */
38 static const unsigned short normal_i2c
[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END
};
40 /* Insmod parameters */
41 I2C_CLIENT_INSMOD_1(adm1026
);
43 static int gpio_input
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
44 -1, -1, -1, -1, -1, -1, -1, -1 };
45 static int gpio_output
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
46 -1, -1, -1, -1, -1, -1, -1, -1 };
47 static int gpio_inverted
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
48 -1, -1, -1, -1, -1, -1, -1, -1 };
49 static int gpio_normal
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
50 -1, -1, -1, -1, -1, -1, -1, -1 };
51 static int gpio_fan
[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
52 module_param_array(gpio_input
, int, NULL
, 0);
53 MODULE_PARM_DESC(gpio_input
, "List of GPIO pins (0-16) to program as inputs");
54 module_param_array(gpio_output
, int, NULL
, 0);
55 MODULE_PARM_DESC(gpio_output
, "List of GPIO pins (0-16) to program as "
57 module_param_array(gpio_inverted
, int, NULL
, 0);
58 MODULE_PARM_DESC(gpio_inverted
, "List of GPIO pins (0-16) to program as "
60 module_param_array(gpio_normal
, int, NULL
, 0);
61 MODULE_PARM_DESC(gpio_normal
, "List of GPIO pins (0-16) to program as "
62 "normal/non-inverted");
63 module_param_array(gpio_fan
, int, NULL
, 0);
64 MODULE_PARM_DESC(gpio_fan
, "List of GPIO pins (0-7) to program as fan tachs");
66 /* Many ADM1026 constants specified below */
68 /* The ADM1026 registers */
69 #define ADM1026_REG_CONFIG1 0x00
70 #define CFG1_MONITOR 0x01
71 #define CFG1_INT_ENABLE 0x02
72 #define CFG1_INT_CLEAR 0x04
73 #define CFG1_AIN8_9 0x08
74 #define CFG1_THERM_HOT 0x10
75 #define CFG1_DAC_AFC 0x20
76 #define CFG1_PWM_AFC 0x40
77 #define CFG1_RESET 0x80
79 #define ADM1026_REG_CONFIG2 0x01
80 /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
82 #define ADM1026_REG_CONFIG3 0x07
83 #define CFG3_GPIO16_ENABLE 0x01
84 #define CFG3_CI_CLEAR 0x02
85 #define CFG3_VREF_250 0x04
86 #define CFG3_GPIO16_DIR 0x40
87 #define CFG3_GPIO16_POL 0x80
89 #define ADM1026_REG_E2CONFIG 0x13
90 #define E2CFG_READ 0x01
91 #define E2CFG_WRITE 0x02
92 #define E2CFG_ERASE 0x04
93 #define E2CFG_ROM 0x08
94 #define E2CFG_CLK_EXT 0x80
96 /* There are 10 general analog inputs and 7 dedicated inputs
103 * 14 = Vccp (CPU core voltage)
107 static u16 ADM1026_REG_IN
[] = {
108 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
109 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
110 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
112 static u16 ADM1026_REG_IN_MIN
[] = {
113 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
114 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
115 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
117 static u16 ADM1026_REG_IN_MAX
[] = {
118 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
119 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
120 0x43, 0x44, 0x45, 0x46, 0x47
128 static u16 ADM1026_REG_TEMP
[] = { 0x1f, 0x28, 0x29 };
129 static u16 ADM1026_REG_TEMP_MIN
[] = { 0x69, 0x48, 0x49 };
130 static u16 ADM1026_REG_TEMP_MAX
[] = { 0x68, 0x40, 0x41 };
131 static u16 ADM1026_REG_TEMP_TMIN
[] = { 0x10, 0x11, 0x12 };
132 static u16 ADM1026_REG_TEMP_THERM
[] = { 0x0d, 0x0e, 0x0f };
133 static u16 ADM1026_REG_TEMP_OFFSET
[] = { 0x1e, 0x6e, 0x6f };
135 #define ADM1026_REG_FAN(nr) (0x38 + (nr))
136 #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
137 #define ADM1026_REG_FAN_DIV_0_3 0x02
138 #define ADM1026_REG_FAN_DIV_4_7 0x03
140 #define ADM1026_REG_DAC 0x04
141 #define ADM1026_REG_PWM 0x05
143 #define ADM1026_REG_GPIO_CFG_0_3 0x08
144 #define ADM1026_REG_GPIO_CFG_4_7 0x09
145 #define ADM1026_REG_GPIO_CFG_8_11 0x0a
146 #define ADM1026_REG_GPIO_CFG_12_15 0x0b
147 /* CFG_16 in REG_CFG3 */
148 #define ADM1026_REG_GPIO_STATUS_0_7 0x24
149 #define ADM1026_REG_GPIO_STATUS_8_15 0x25
150 /* STATUS_16 in REG_STATUS4 */
151 #define ADM1026_REG_GPIO_MASK_0_7 0x1c
152 #define ADM1026_REG_GPIO_MASK_8_15 0x1d
153 /* MASK_16 in REG_MASK4 */
155 #define ADM1026_REG_COMPANY 0x16
156 #define ADM1026_REG_VERSTEP 0x17
157 /* These are the recognized values for the above regs */
158 #define ADM1026_COMPANY_ANALOG_DEV 0x41
159 #define ADM1026_VERSTEP_GENERIC 0x40
160 #define ADM1026_VERSTEP_ADM1026 0x44
162 #define ADM1026_REG_MASK1 0x18
163 #define ADM1026_REG_MASK2 0x19
164 #define ADM1026_REG_MASK3 0x1a
165 #define ADM1026_REG_MASK4 0x1b
167 #define ADM1026_REG_STATUS1 0x20
168 #define ADM1026_REG_STATUS2 0x21
169 #define ADM1026_REG_STATUS3 0x22
170 #define ADM1026_REG_STATUS4 0x23
172 #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
173 #define ADM1026_FAN_CONTROL_TEMP_RANGE 20
174 #define ADM1026_PWM_MAX 255
176 /* Conversions. Rounding and limit checking is only done on the TO_REG
177 * variants. Note that you should be a bit careful with which arguments
178 * these macros are called: arguments may be evaluated more than once.
181 /* IN are scaled acording to built-in resistors. These are the
182 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
183 * NOTE: The -12V input needs an additional factor to account
184 * for the Vref pullup resistor.
185 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
186 * = 13875 * 2.50 / 1.875 - 2500
189 * The values in this table are based on Table II, page 15 of the
192 static int adm1026_scaling
[] = { /* .001 Volts */
193 2250, 2250, 2250, 2250, 2250, 2250,
194 1875, 1875, 1875, 1875, 3000, 3330,
195 3330, 4995, 2250, 12000, 13875
197 #define NEG12_OFFSET 16000
198 #define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
199 #define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
201 #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
203 /* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
204 * and we assume a 2 pulse-per-rev fan tach signal
205 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
207 #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
208 SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
209 #define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
210 1350000/((val)*(div)))
211 #define DIV_FROM_REG(val) (1<<(val))
212 #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
214 /* Temperature is reported in 1 degC increments */
215 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
217 #define TEMP_FROM_REG(val) ((val) * 1000)
218 #define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
220 #define OFFSET_FROM_REG(val) ((val) * 1000)
222 #define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
223 #define PWM_FROM_REG(val) (val)
225 #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
226 #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
228 /* Analog output is a voltage, and scaled to millivolts. The datasheet
229 * indicates that the DAC could be used to drive the fans, but in our
230 * example board (Arima HDAMA) it isn't connected to the fans at all.
232 #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
233 #define DAC_FROM_REG(val) (((val)*2500)/255)
235 /* Chip sampling rates
237 * Some sensors are not updated more frequently than once per second
238 * so it doesn't make sense to read them more often than that.
239 * We cache the results and return the saved data if the driver
240 * is called again before a second has elapsed.
242 * Also, there is significant configuration data for this chip
243 * So, we keep the config data up to date in the cache
244 * when it is written and only sample it once every 5 *minutes*
246 #define ADM1026_DATA_INTERVAL (1 * HZ)
247 #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
249 /* We allow for multiple chips in a single system.
251 * For each registered ADM1026, we need to keep state information
252 * at client->data. The adm1026_data structure is dynamically
253 * allocated, when a new client structure is allocated. */
261 struct adm1026_data
{
262 struct i2c_client client
;
263 struct device
*hwmon_dev
;
265 struct mutex update_lock
;
266 int valid
; /* !=0 if following fields are valid */
267 unsigned long last_reading
; /* In jiffies */
268 unsigned long last_config
; /* In jiffies */
270 u8 in
[17]; /* Register value */
271 u8 in_max
[17]; /* Register value */
272 u8 in_min
[17]; /* Register value */
273 s8 temp
[3]; /* Register value */
274 s8 temp_min
[3]; /* Register value */
275 s8 temp_max
[3]; /* Register value */
276 s8 temp_tmin
[3]; /* Register value */
277 s8 temp_crit
[3]; /* Register value */
278 s8 temp_offset
[3]; /* Register value */
279 u8 fan
[8]; /* Register value */
280 u8 fan_min
[8]; /* Register value */
281 u8 fan_div
[8]; /* Decoded value */
282 struct pwm_data pwm1
; /* Pwm control values */
283 int vid
; /* Decoded value */
284 u8 vrm
; /* VRM version */
285 u8 analog_out
; /* Register value (DAC) */
286 long alarms
; /* Register encoding, combined */
287 long alarm_mask
; /* Register encoding, combined */
288 long gpio
; /* Register encoding, combined */
289 long gpio_mask
; /* Register encoding, combined */
290 u8 gpio_config
[17]; /* Decoded value */
291 u8 config1
; /* Register value */
292 u8 config2
; /* Register value */
293 u8 config3
; /* Register value */
296 static int adm1026_attach_adapter(struct i2c_adapter
*adapter
);
297 static int adm1026_detect(struct i2c_adapter
*adapter
, int address
,
299 static int adm1026_detach_client(struct i2c_client
*client
);
300 static int adm1026_read_value(struct i2c_client
*client
, u8 reg
);
301 static int adm1026_write_value(struct i2c_client
*client
, u8 reg
, int value
);
302 static void adm1026_print_gpio(struct i2c_client
*client
);
303 static void adm1026_fixup_gpio(struct i2c_client
*client
);
304 static struct adm1026_data
*adm1026_update_device(struct device
*dev
);
305 static void adm1026_init_client(struct i2c_client
*client
);
308 static struct i2c_driver adm1026_driver
= {
312 .attach_adapter
= adm1026_attach_adapter
,
313 .detach_client
= adm1026_detach_client
,
316 static int adm1026_attach_adapter(struct i2c_adapter
*adapter
)
318 if (!(adapter
->class & I2C_CLASS_HWMON
)) {
321 return i2c_probe(adapter
, &addr_data
, adm1026_detect
);
324 static int adm1026_read_value(struct i2c_client
*client
, u8 reg
)
329 /* "RAM" locations */
330 res
= i2c_smbus_read_byte_data(client
, reg
) & 0xff;
332 /* EEPROM, do nothing */
338 static int adm1026_write_value(struct i2c_client
*client
, u8 reg
, int value
)
343 /* "RAM" locations */
344 res
= i2c_smbus_write_byte_data(client
, reg
, value
);
346 /* EEPROM, do nothing */
352 static void adm1026_init_client(struct i2c_client
*client
)
355 struct adm1026_data
*data
= i2c_get_clientdata(client
);
357 dev_dbg(&client
->dev
, "Initializing device\n");
358 /* Read chip config */
359 data
->config1
= adm1026_read_value(client
, ADM1026_REG_CONFIG1
);
360 data
->config2
= adm1026_read_value(client
, ADM1026_REG_CONFIG2
);
361 data
->config3
= adm1026_read_value(client
, ADM1026_REG_CONFIG3
);
363 /* Inform user of chip config */
364 dev_dbg(&client
->dev
, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
366 if ((data
->config1
& CFG1_MONITOR
) == 0) {
367 dev_dbg(&client
->dev
, "Monitoring not currently "
370 if (data
->config1
& CFG1_INT_ENABLE
) {
371 dev_dbg(&client
->dev
, "SMBALERT interrupts are "
374 if (data
->config1
& CFG1_AIN8_9
) {
375 dev_dbg(&client
->dev
, "in8 and in9 enabled. "
376 "temp3 disabled.\n");
378 dev_dbg(&client
->dev
, "temp3 enabled. in8 and "
381 if (data
->config1
& CFG1_THERM_HOT
) {
382 dev_dbg(&client
->dev
, "Automatic THERM, PWM, "
383 "and temp limits enabled.\n");
386 if (data
->config3
& CFG3_GPIO16_ENABLE
) {
387 dev_dbg(&client
->dev
, "GPIO16 enabled. THERM "
390 dev_dbg(&client
->dev
, "THERM pin enabled. "
391 "GPIO16 disabled.\n");
393 if (data
->config3
& CFG3_VREF_250
) {
394 dev_dbg(&client
->dev
, "Vref is 2.50 Volts.\n");
396 dev_dbg(&client
->dev
, "Vref is 1.82 Volts.\n");
398 /* Read and pick apart the existing GPIO configuration */
400 for (i
= 0;i
<= 15;++i
) {
401 if ((i
& 0x03) == 0) {
402 value
= adm1026_read_value(client
,
403 ADM1026_REG_GPIO_CFG_0_3
+ i
/4);
405 data
->gpio_config
[i
] = value
& 0x03;
408 data
->gpio_config
[16] = (data
->config3
>> 6) & 0x03;
410 /* ... and then print it */
411 adm1026_print_gpio(client
);
413 /* If the user asks us to reprogram the GPIO config, then
416 if (gpio_input
[0] != -1 || gpio_output
[0] != -1
417 || gpio_inverted
[0] != -1 || gpio_normal
[0] != -1
418 || gpio_fan
[0] != -1) {
419 adm1026_fixup_gpio(client
);
422 /* WE INTENTIONALLY make no changes to the limits,
423 * offsets, pwms, fans and zones. If they were
424 * configured, we don't want to mess with them.
425 * If they weren't, the default is 100% PWM, no
426 * control and will suffice until 'sensors -s'
427 * can be run by the user. We DO set the default
428 * value for pwm1.auto_pwm_min to its maximum
429 * so that enabling automatic pwm fan control
430 * without first setting a value for pwm1.auto_pwm_min
431 * will not result in potentially dangerous fan speed decrease.
433 data
->pwm1
.auto_pwm_min
=255;
434 /* Start monitoring */
435 value
= adm1026_read_value(client
, ADM1026_REG_CONFIG1
);
436 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
437 value
= (value
| CFG1_MONITOR
) & (~CFG1_INT_CLEAR
& ~CFG1_RESET
);
438 dev_dbg(&client
->dev
, "Setting CONFIG to: 0x%02x\n", value
);
439 data
->config1
= value
;
440 adm1026_write_value(client
, ADM1026_REG_CONFIG1
, value
);
442 /* initialize fan_div[] to hardware defaults */
443 value
= adm1026_read_value(client
, ADM1026_REG_FAN_DIV_0_3
) |
444 (adm1026_read_value(client
, ADM1026_REG_FAN_DIV_4_7
) << 8);
445 for (i
= 0;i
<= 7;++i
) {
446 data
->fan_div
[i
] = DIV_FROM_REG(value
& 0x03);
451 static void adm1026_print_gpio(struct i2c_client
*client
)
453 struct adm1026_data
*data
= i2c_get_clientdata(client
);
456 dev_dbg(&client
->dev
, "GPIO config is:");
457 for (i
= 0;i
<= 7;++i
) {
458 if (data
->config2
& (1 << i
)) {
459 dev_dbg(&client
->dev
, "\t%sGP%s%d\n",
460 data
->gpio_config
[i
] & 0x02 ? "" : "!",
461 data
->gpio_config
[i
] & 0x01 ? "OUT" : "IN",
464 dev_dbg(&client
->dev
, "\tFAN%d\n", i
);
467 for (i
= 8;i
<= 15;++i
) {
468 dev_dbg(&client
->dev
, "\t%sGP%s%d\n",
469 data
->gpio_config
[i
] & 0x02 ? "" : "!",
470 data
->gpio_config
[i
] & 0x01 ? "OUT" : "IN",
473 if (data
->config3
& CFG3_GPIO16_ENABLE
) {
474 dev_dbg(&client
->dev
, "\t%sGP%s16\n",
475 data
->gpio_config
[16] & 0x02 ? "" : "!",
476 data
->gpio_config
[16] & 0x01 ? "OUT" : "IN");
478 /* GPIO16 is THERM */
479 dev_dbg(&client
->dev
, "\tTHERM\n");
483 static void adm1026_fixup_gpio(struct i2c_client
*client
)
485 struct adm1026_data
*data
= i2c_get_clientdata(client
);
489 /* Make the changes requested. */
490 /* We may need to unlock/stop monitoring or soft-reset the
491 * chip before we can make changes. This hasn't been
496 for (i
= 0;i
<= 16;++i
) {
497 if (gpio_output
[i
] >= 0 && gpio_output
[i
] <= 16) {
498 data
->gpio_config
[gpio_output
[i
]] |= 0x01;
500 /* if GPIO0-7 is output, it isn't a FAN tach */
501 if (gpio_output
[i
] >= 0 && gpio_output
[i
] <= 7) {
502 data
->config2
|= 1 << gpio_output
[i
];
506 /* Input overrides output */
507 for (i
= 0;i
<= 16;++i
) {
508 if (gpio_input
[i
] >= 0 && gpio_input
[i
] <= 16) {
509 data
->gpio_config
[gpio_input
[i
]] &= ~ 0x01;
511 /* if GPIO0-7 is input, it isn't a FAN tach */
512 if (gpio_input
[i
] >= 0 && gpio_input
[i
] <= 7) {
513 data
->config2
|= 1 << gpio_input
[i
];
518 for (i
= 0;i
<= 16;++i
) {
519 if (gpio_inverted
[i
] >= 0 && gpio_inverted
[i
] <= 16) {
520 data
->gpio_config
[gpio_inverted
[i
]] &= ~ 0x02;
524 /* Normal overrides inverted */
525 for (i
= 0;i
<= 16;++i
) {
526 if (gpio_normal
[i
] >= 0 && gpio_normal
[i
] <= 16) {
527 data
->gpio_config
[gpio_normal
[i
]] |= 0x02;
531 /* Fan overrides input and output */
532 for (i
= 0;i
<= 7;++i
) {
533 if (gpio_fan
[i
] >= 0 && gpio_fan
[i
] <= 7) {
534 data
->config2
&= ~(1 << gpio_fan
[i
]);
538 /* Write new configs to registers */
539 adm1026_write_value(client
, ADM1026_REG_CONFIG2
, data
->config2
);
540 data
->config3
= (data
->config3
& 0x3f)
541 | ((data
->gpio_config
[16] & 0x03) << 6);
542 adm1026_write_value(client
, ADM1026_REG_CONFIG3
, data
->config3
);
543 for (i
= 15, value
= 0;i
>= 0;--i
) {
545 value
|= data
->gpio_config
[i
] & 0x03;
546 if ((i
& 0x03) == 0) {
547 adm1026_write_value(client
,
548 ADM1026_REG_GPIO_CFG_0_3
+ i
/4,
554 /* Print the new config */
555 adm1026_print_gpio(client
);
559 static struct adm1026_data
*adm1026_update_device(struct device
*dev
)
561 struct i2c_client
*client
= to_i2c_client(dev
);
562 struct adm1026_data
*data
= i2c_get_clientdata(client
);
564 long value
, alarms
, gpio
;
566 mutex_lock(&data
->update_lock
);
568 || time_after(jiffies
, data
->last_reading
+ ADM1026_DATA_INTERVAL
)) {
569 /* Things that change quickly */
570 dev_dbg(&client
->dev
, "Reading sensor values\n");
571 for (i
= 0;i
<= 16;++i
) {
573 adm1026_read_value(client
, ADM1026_REG_IN
[i
]);
576 for (i
= 0;i
<= 7;++i
) {
578 adm1026_read_value(client
, ADM1026_REG_FAN(i
));
581 for (i
= 0;i
<= 2;++i
) {
582 /* NOTE: temp[] is s8 and we assume 2's complement
583 * "conversion" in the assignment */
585 adm1026_read_value(client
, ADM1026_REG_TEMP
[i
]);
588 data
->pwm1
.pwm
= adm1026_read_value(client
,
590 data
->analog_out
= adm1026_read_value(client
,
592 /* GPIO16 is MSbit of alarms, move it to gpio */
593 alarms
= adm1026_read_value(client
, ADM1026_REG_STATUS4
);
594 gpio
= alarms
& 0x80 ? 0x0100 : 0; /* GPIO16 */
597 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS3
);
599 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS2
);
601 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS1
);
602 data
->alarms
= alarms
;
604 /* Read the GPIO values */
605 gpio
|= adm1026_read_value(client
,
606 ADM1026_REG_GPIO_STATUS_8_15
);
608 gpio
|= adm1026_read_value(client
,
609 ADM1026_REG_GPIO_STATUS_0_7
);
612 data
->last_reading
= jiffies
;
613 }; /* last_reading */
616 time_after(jiffies
, data
->last_config
+ ADM1026_CONFIG_INTERVAL
)) {
617 /* Things that don't change often */
618 dev_dbg(&client
->dev
, "Reading config values\n");
619 for (i
= 0;i
<= 16;++i
) {
620 data
->in_min
[i
] = adm1026_read_value(client
,
621 ADM1026_REG_IN_MIN
[i
]);
622 data
->in_max
[i
] = adm1026_read_value(client
,
623 ADM1026_REG_IN_MAX
[i
]);
626 value
= adm1026_read_value(client
, ADM1026_REG_FAN_DIV_0_3
)
627 | (adm1026_read_value(client
, ADM1026_REG_FAN_DIV_4_7
)
629 for (i
= 0;i
<= 7;++i
) {
630 data
->fan_min
[i
] = adm1026_read_value(client
,
631 ADM1026_REG_FAN_MIN(i
));
632 data
->fan_div
[i
] = DIV_FROM_REG(value
& 0x03);
636 for (i
= 0; i
<= 2; ++i
) {
637 /* NOTE: temp_xxx[] are s8 and we assume 2's
638 * complement "conversion" in the assignment
640 data
->temp_min
[i
] = adm1026_read_value(client
,
641 ADM1026_REG_TEMP_MIN
[i
]);
642 data
->temp_max
[i
] = adm1026_read_value(client
,
643 ADM1026_REG_TEMP_MAX
[i
]);
644 data
->temp_tmin
[i
] = adm1026_read_value(client
,
645 ADM1026_REG_TEMP_TMIN
[i
]);
646 data
->temp_crit
[i
] = adm1026_read_value(client
,
647 ADM1026_REG_TEMP_THERM
[i
]);
648 data
->temp_offset
[i
] = adm1026_read_value(client
,
649 ADM1026_REG_TEMP_OFFSET
[i
]);
652 /* Read the STATUS/alarm masks */
653 alarms
= adm1026_read_value(client
, ADM1026_REG_MASK4
);
654 gpio
= alarms
& 0x80 ? 0x0100 : 0; /* GPIO16 */
655 alarms
= (alarms
& 0x7f) << 8;
656 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK3
);
658 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK2
);
660 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK1
);
661 data
->alarm_mask
= alarms
;
663 /* Read the GPIO values */
664 gpio
|= adm1026_read_value(client
,
665 ADM1026_REG_GPIO_MASK_8_15
);
667 gpio
|= adm1026_read_value(client
, ADM1026_REG_GPIO_MASK_0_7
);
668 data
->gpio_mask
= gpio
;
670 /* Read various values from CONFIG1 */
671 data
->config1
= adm1026_read_value(client
,
672 ADM1026_REG_CONFIG1
);
673 if (data
->config1
& CFG1_PWM_AFC
) {
674 data
->pwm1
.enable
= 2;
675 data
->pwm1
.auto_pwm_min
=
676 PWM_MIN_FROM_REG(data
->pwm1
.pwm
);
678 /* Read the GPIO config */
679 data
->config2
= adm1026_read_value(client
,
680 ADM1026_REG_CONFIG2
);
681 data
->config3
= adm1026_read_value(client
,
682 ADM1026_REG_CONFIG3
);
683 data
->gpio_config
[16] = (data
->config3
>> 6) & 0x03;
686 for (i
= 0;i
<= 15;++i
) {
687 if ((i
& 0x03) == 0) {
688 value
= adm1026_read_value(client
,
689 ADM1026_REG_GPIO_CFG_0_3
+ i
/4);
691 data
->gpio_config
[i
] = value
& 0x03;
695 data
->last_config
= jiffies
;
698 dev_dbg(&client
->dev
, "Setting VID from GPIO11-15.\n");
699 data
->vid
= (data
->gpio
>> 11) & 0x1f;
701 mutex_unlock(&data
->update_lock
);
705 static ssize_t
show_in(struct device
*dev
, struct device_attribute
*attr
,
708 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
709 int nr
= sensor_attr
->index
;
710 struct adm1026_data
*data
= adm1026_update_device(dev
);
711 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in
[nr
]));
713 static ssize_t
show_in_min(struct device
*dev
, struct device_attribute
*attr
,
716 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
717 int nr
= sensor_attr
->index
;
718 struct adm1026_data
*data
= adm1026_update_device(dev
);
719 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in_min
[nr
]));
721 static ssize_t
set_in_min(struct device
*dev
, struct device_attribute
*attr
,
722 const char *buf
, size_t count
)
724 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
725 int nr
= sensor_attr
->index
;
726 struct i2c_client
*client
= to_i2c_client(dev
);
727 struct adm1026_data
*data
= i2c_get_clientdata(client
);
728 int val
= simple_strtol(buf
, NULL
, 10);
730 mutex_lock(&data
->update_lock
);
731 data
->in_min
[nr
] = INS_TO_REG(nr
, val
);
732 adm1026_write_value(client
, ADM1026_REG_IN_MIN
[nr
], data
->in_min
[nr
]);
733 mutex_unlock(&data
->update_lock
);
736 static ssize_t
show_in_max(struct device
*dev
, struct device_attribute
*attr
,
739 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
740 int nr
= sensor_attr
->index
;
741 struct adm1026_data
*data
= adm1026_update_device(dev
);
742 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in_max
[nr
]));
744 static ssize_t
set_in_max(struct device
*dev
, struct device_attribute
*attr
,
745 const char *buf
, size_t count
)
747 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
748 int nr
= sensor_attr
->index
;
749 struct i2c_client
*client
= to_i2c_client(dev
);
750 struct adm1026_data
*data
= i2c_get_clientdata(client
);
751 int val
= simple_strtol(buf
, NULL
, 10);
753 mutex_lock(&data
->update_lock
);
754 data
->in_max
[nr
] = INS_TO_REG(nr
, val
);
755 adm1026_write_value(client
, ADM1026_REG_IN_MAX
[nr
], data
->in_max
[nr
]);
756 mutex_unlock(&data
->update_lock
);
760 #define in_reg(offset) \
761 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
763 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
764 show_in_min, set_in_min, offset); \
765 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
766 show_in_max, set_in_max, offset);
786 static ssize_t
show_in16(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
788 struct adm1026_data
*data
= adm1026_update_device(dev
);
789 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in
[16]) -
792 static ssize_t
show_in16_min(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
794 struct adm1026_data
*data
= adm1026_update_device(dev
);
795 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in_min
[16])
798 static ssize_t
set_in16_min(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
800 struct i2c_client
*client
= to_i2c_client(dev
);
801 struct adm1026_data
*data
= i2c_get_clientdata(client
);
802 int val
= simple_strtol(buf
, NULL
, 10);
804 mutex_lock(&data
->update_lock
);
805 data
->in_min
[16] = INS_TO_REG(16, val
+ NEG12_OFFSET
);
806 adm1026_write_value(client
, ADM1026_REG_IN_MIN
[16], data
->in_min
[16]);
807 mutex_unlock(&data
->update_lock
);
810 static ssize_t
show_in16_max(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
812 struct adm1026_data
*data
= adm1026_update_device(dev
);
813 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in_max
[16])
816 static ssize_t
set_in16_max(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
818 struct i2c_client
*client
= to_i2c_client(dev
);
819 struct adm1026_data
*data
= i2c_get_clientdata(client
);
820 int val
= simple_strtol(buf
, NULL
, 10);
822 mutex_lock(&data
->update_lock
);
823 data
->in_max
[16] = INS_TO_REG(16, val
+NEG12_OFFSET
);
824 adm1026_write_value(client
, ADM1026_REG_IN_MAX
[16], data
->in_max
[16]);
825 mutex_unlock(&data
->update_lock
);
829 static SENSOR_DEVICE_ATTR(in16_input
, S_IRUGO
, show_in16
, NULL
, 16);
830 static SENSOR_DEVICE_ATTR(in16_min
, S_IRUGO
| S_IWUSR
, show_in16_min
, set_in16_min
, 16);
831 static SENSOR_DEVICE_ATTR(in16_max
, S_IRUGO
| S_IWUSR
, show_in16_max
, set_in16_max
, 16);
836 /* Now add fan read/write functions */
838 static ssize_t
show_fan(struct device
*dev
, struct device_attribute
*attr
,
841 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
842 int nr
= sensor_attr
->index
;
843 struct adm1026_data
*data
= adm1026_update_device(dev
);
844 return sprintf(buf
, "%d\n", FAN_FROM_REG(data
->fan
[nr
],
847 static ssize_t
show_fan_min(struct device
*dev
, struct device_attribute
*attr
,
850 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
851 int nr
= sensor_attr
->index
;
852 struct adm1026_data
*data
= adm1026_update_device(dev
);
853 return sprintf(buf
, "%d\n", FAN_FROM_REG(data
->fan_min
[nr
],
856 static ssize_t
set_fan_min(struct device
*dev
, struct device_attribute
*attr
,
857 const char *buf
, size_t count
)
859 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
860 int nr
= sensor_attr
->index
;
861 struct i2c_client
*client
= to_i2c_client(dev
);
862 struct adm1026_data
*data
= i2c_get_clientdata(client
);
863 int val
= simple_strtol(buf
, NULL
, 10);
865 mutex_lock(&data
->update_lock
);
866 data
->fan_min
[nr
] = FAN_TO_REG(val
, data
->fan_div
[nr
]);
867 adm1026_write_value(client
, ADM1026_REG_FAN_MIN(nr
),
869 mutex_unlock(&data
->update_lock
);
873 #define fan_offset(offset) \
874 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
876 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
877 show_fan_min, set_fan_min, offset - 1);
888 /* Adjust fan_min to account for new fan divisor */
889 static void fixup_fan_min(struct device
*dev
, int fan
, int old_div
)
891 struct i2c_client
*client
= to_i2c_client(dev
);
892 struct adm1026_data
*data
= i2c_get_clientdata(client
);
894 int new_div
= data
->fan_div
[fan
];
896 /* 0 and 0xff are special. Don't adjust them */
897 if (data
->fan_min
[fan
] == 0 || data
->fan_min
[fan
] == 0xff) {
901 new_min
= data
->fan_min
[fan
] * old_div
/ new_div
;
902 new_min
= SENSORS_LIMIT(new_min
, 1, 254);
903 data
->fan_min
[fan
] = new_min
;
904 adm1026_write_value(client
, ADM1026_REG_FAN_MIN(fan
), new_min
);
907 /* Now add fan_div read/write functions */
908 static ssize_t
show_fan_div(struct device
*dev
, struct device_attribute
*attr
,
911 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
912 int nr
= sensor_attr
->index
;
913 struct adm1026_data
*data
= adm1026_update_device(dev
);
914 return sprintf(buf
, "%d\n", data
->fan_div
[nr
]);
916 static ssize_t
set_fan_div(struct device
*dev
, struct device_attribute
*attr
,
917 const char *buf
, size_t count
)
919 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
920 int nr
= sensor_attr
->index
;
921 struct i2c_client
*client
= to_i2c_client(dev
);
922 struct adm1026_data
*data
= i2c_get_clientdata(client
);
923 int val
, orig_div
, new_div
, shift
;
925 val
= simple_strtol(buf
, NULL
, 10);
926 new_div
= DIV_TO_REG(val
);
930 mutex_lock(&data
->update_lock
);
931 orig_div
= data
->fan_div
[nr
];
932 data
->fan_div
[nr
] = DIV_FROM_REG(new_div
);
934 if (nr
< 4) { /* 0 <= nr < 4 */
936 adm1026_write_value(client
, ADM1026_REG_FAN_DIV_0_3
,
937 ((DIV_TO_REG(orig_div
) & (~(0x03 << shift
))) |
938 (new_div
<< shift
)));
939 } else { /* 3 < nr < 8 */
940 shift
= 2 * (nr
- 4);
941 adm1026_write_value(client
, ADM1026_REG_FAN_DIV_4_7
,
942 ((DIV_TO_REG(orig_div
) & (~(0x03 << (2 * shift
)))) |
943 (new_div
<< shift
)));
946 if (data
->fan_div
[nr
] != orig_div
) {
947 fixup_fan_min(dev
, nr
, orig_div
);
949 mutex_unlock(&data
->update_lock
);
953 #define fan_offset_div(offset) \
954 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
955 show_fan_div, set_fan_div, offset - 1);
967 static ssize_t
show_temp(struct device
*dev
, struct device_attribute
*attr
,
970 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
971 int nr
= sensor_attr
->index
;
972 struct adm1026_data
*data
= adm1026_update_device(dev
);
973 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp
[nr
]));
975 static ssize_t
show_temp_min(struct device
*dev
, struct device_attribute
*attr
,
978 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
979 int nr
= sensor_attr
->index
;
980 struct adm1026_data
*data
= adm1026_update_device(dev
);
981 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_min
[nr
]));
983 static ssize_t
set_temp_min(struct device
*dev
, struct device_attribute
*attr
,
984 const char *buf
, size_t count
)
986 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
987 int nr
= sensor_attr
->index
;
988 struct i2c_client
*client
= to_i2c_client(dev
);
989 struct adm1026_data
*data
= i2c_get_clientdata(client
);
990 int val
= simple_strtol(buf
, NULL
, 10);
992 mutex_lock(&data
->update_lock
);
993 data
->temp_min
[nr
] = TEMP_TO_REG(val
);
994 adm1026_write_value(client
, ADM1026_REG_TEMP_MIN
[nr
],
996 mutex_unlock(&data
->update_lock
);
999 static ssize_t
show_temp_max(struct device
*dev
, struct device_attribute
*attr
,
1002 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1003 int nr
= sensor_attr
->index
;
1004 struct adm1026_data
*data
= adm1026_update_device(dev
);
1005 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_max
[nr
]));
1007 static ssize_t
set_temp_max(struct device
*dev
, struct device_attribute
*attr
,
1008 const char *buf
, size_t count
)
1010 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1011 int nr
= sensor_attr
->index
;
1012 struct i2c_client
*client
= to_i2c_client(dev
);
1013 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1014 int val
= simple_strtol(buf
, NULL
, 10);
1016 mutex_lock(&data
->update_lock
);
1017 data
->temp_max
[nr
] = TEMP_TO_REG(val
);
1018 adm1026_write_value(client
, ADM1026_REG_TEMP_MAX
[nr
],
1019 data
->temp_max
[nr
]);
1020 mutex_unlock(&data
->update_lock
);
1024 #define temp_reg(offset) \
1025 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
1026 NULL, offset - 1); \
1027 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1028 show_temp_min, set_temp_min, offset - 1); \
1029 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1030 show_temp_max, set_temp_max, offset - 1);
1037 static ssize_t
show_temp_offset(struct device
*dev
,
1038 struct device_attribute
*attr
, char *buf
)
1040 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1041 int nr
= sensor_attr
->index
;
1042 struct adm1026_data
*data
= adm1026_update_device(dev
);
1043 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_offset
[nr
]));
1045 static ssize_t
set_temp_offset(struct device
*dev
,
1046 struct device_attribute
*attr
, const char *buf
,
1049 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1050 int nr
= sensor_attr
->index
;
1051 struct i2c_client
*client
= to_i2c_client(dev
);
1052 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1053 int val
= simple_strtol(buf
, NULL
, 10);
1055 mutex_lock(&data
->update_lock
);
1056 data
->temp_offset
[nr
] = TEMP_TO_REG(val
);
1057 adm1026_write_value(client
, ADM1026_REG_TEMP_OFFSET
[nr
],
1058 data
->temp_offset
[nr
]);
1059 mutex_unlock(&data
->update_lock
);
1063 #define temp_offset_reg(offset) \
1064 static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1065 show_temp_offset, set_temp_offset, offset - 1);
1071 static ssize_t
show_temp_auto_point1_temp_hyst(struct device
*dev
,
1072 struct device_attribute
*attr
, char *buf
)
1074 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1075 int nr
= sensor_attr
->index
;
1076 struct adm1026_data
*data
= adm1026_update_device(dev
);
1077 return sprintf(buf
, "%d\n", TEMP_FROM_REG(
1078 ADM1026_FAN_ACTIVATION_TEMP_HYST
+ data
->temp_tmin
[nr
]));
1080 static ssize_t
show_temp_auto_point2_temp(struct device
*dev
,
1081 struct device_attribute
*attr
, char *buf
)
1083 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1084 int nr
= sensor_attr
->index
;
1085 struct adm1026_data
*data
= adm1026_update_device(dev
);
1086 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_tmin
[nr
] +
1087 ADM1026_FAN_CONTROL_TEMP_RANGE
));
1089 static ssize_t
show_temp_auto_point1_temp(struct device
*dev
,
1090 struct device_attribute
*attr
, char *buf
)
1092 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1093 int nr
= sensor_attr
->index
;
1094 struct adm1026_data
*data
= adm1026_update_device(dev
);
1095 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_tmin
[nr
]));
1097 static ssize_t
set_temp_auto_point1_temp(struct device
*dev
,
1098 struct device_attribute
*attr
, const char *buf
, size_t count
)
1100 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1101 int nr
= sensor_attr
->index
;
1102 struct i2c_client
*client
= to_i2c_client(dev
);
1103 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1104 int val
= simple_strtol(buf
, NULL
, 10);
1106 mutex_lock(&data
->update_lock
);
1107 data
->temp_tmin
[nr
] = TEMP_TO_REG(val
);
1108 adm1026_write_value(client
, ADM1026_REG_TEMP_TMIN
[nr
],
1109 data
->temp_tmin
[nr
]);
1110 mutex_unlock(&data
->update_lock
);
1114 #define temp_auto_point(offset) \
1115 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1116 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1117 set_temp_auto_point1_temp, offset - 1); \
1118 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1119 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1120 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
1121 show_temp_auto_point2_temp, NULL, offset - 1);
1127 static ssize_t
show_temp_crit_enable(struct device
*dev
,
1128 struct device_attribute
*attr
, char *buf
)
1130 struct adm1026_data
*data
= adm1026_update_device(dev
);
1131 return sprintf(buf
, "%d\n", (data
->config1
& CFG1_THERM_HOT
) >> 4);
1133 static ssize_t
set_temp_crit_enable(struct device
*dev
,
1134 struct device_attribute
*attr
, const char *buf
, size_t count
)
1136 struct i2c_client
*client
= to_i2c_client(dev
);
1137 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1138 int val
= simple_strtol(buf
, NULL
, 10);
1140 if ((val
== 1) || (val
==0)) {
1141 mutex_lock(&data
->update_lock
);
1142 data
->config1
= (data
->config1
& ~CFG1_THERM_HOT
) | (val
<< 4);
1143 adm1026_write_value(client
, ADM1026_REG_CONFIG1
,
1145 mutex_unlock(&data
->update_lock
);
1150 #define temp_crit_enable(offset) \
1151 static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1152 show_temp_crit_enable, set_temp_crit_enable);
1154 temp_crit_enable(1);
1155 temp_crit_enable(2);
1156 temp_crit_enable(3);
1158 static ssize_t
show_temp_crit(struct device
*dev
,
1159 struct device_attribute
*attr
, char *buf
)
1161 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1162 int nr
= sensor_attr
->index
;
1163 struct adm1026_data
*data
= adm1026_update_device(dev
);
1164 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_crit
[nr
]));
1166 static ssize_t
set_temp_crit(struct device
*dev
, struct device_attribute
*attr
,
1167 const char *buf
, size_t count
)
1169 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1170 int nr
= sensor_attr
->index
;
1171 struct i2c_client
*client
= to_i2c_client(dev
);
1172 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1173 int val
= simple_strtol(buf
, NULL
, 10);
1175 mutex_lock(&data
->update_lock
);
1176 data
->temp_crit
[nr
] = TEMP_TO_REG(val
);
1177 adm1026_write_value(client
, ADM1026_REG_TEMP_THERM
[nr
],
1178 data
->temp_crit
[nr
]);
1179 mutex_unlock(&data
->update_lock
);
1183 #define temp_crit_reg(offset) \
1184 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1185 show_temp_crit, set_temp_crit, offset - 1);
1191 static ssize_t
show_analog_out_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1193 struct adm1026_data
*data
= adm1026_update_device(dev
);
1194 return sprintf(buf
, "%d\n", DAC_FROM_REG(data
->analog_out
));
1196 static ssize_t
set_analog_out_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1199 struct i2c_client
*client
= to_i2c_client(dev
);
1200 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1201 int val
= simple_strtol(buf
, NULL
, 10);
1203 mutex_lock(&data
->update_lock
);
1204 data
->analog_out
= DAC_TO_REG(val
);
1205 adm1026_write_value(client
, ADM1026_REG_DAC
, data
->analog_out
);
1206 mutex_unlock(&data
->update_lock
);
1210 static DEVICE_ATTR(analog_out
, S_IRUGO
| S_IWUSR
, show_analog_out_reg
,
1211 set_analog_out_reg
);
1213 static ssize_t
show_vid_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1215 struct adm1026_data
*data
= adm1026_update_device(dev
);
1216 return sprintf(buf
, "%d\n", vid_from_reg(data
->vid
& 0x3f, data
->vrm
));
1218 static DEVICE_ATTR(cpu0_vid
, S_IRUGO
, show_vid_reg
, NULL
);
1220 static ssize_t
show_vrm_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1222 struct adm1026_data
*data
= dev_get_drvdata(dev
);
1223 return sprintf(buf
, "%d\n", data
->vrm
);
1225 static ssize_t
store_vrm_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1228 struct adm1026_data
*data
= dev_get_drvdata(dev
);
1230 data
->vrm
= simple_strtol(buf
, NULL
, 10);
1234 static DEVICE_ATTR(vrm
, S_IRUGO
| S_IWUSR
, show_vrm_reg
, store_vrm_reg
);
1236 static ssize_t
show_alarms_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1238 struct adm1026_data
*data
= adm1026_update_device(dev
);
1239 return sprintf(buf
, "%ld\n", data
->alarms
);
1242 static DEVICE_ATTR(alarms
, S_IRUGO
, show_alarms_reg
, NULL
);
1244 static ssize_t
show_alarm(struct device
*dev
, struct device_attribute
*attr
,
1247 struct adm1026_data
*data
= adm1026_update_device(dev
);
1248 int bitnr
= to_sensor_dev_attr(attr
)->index
;
1249 return sprintf(buf
, "%ld\n", (data
->alarms
>> bitnr
) & 1);
1252 static SENSOR_DEVICE_ATTR(temp2_alarm
, S_IRUGO
, show_alarm
, NULL
, 0);
1253 static SENSOR_DEVICE_ATTR(temp3_alarm
, S_IRUGO
, show_alarm
, NULL
, 1);
1254 static SENSOR_DEVICE_ATTR(in9_alarm
, S_IRUGO
, show_alarm
, NULL
, 1);
1255 static SENSOR_DEVICE_ATTR(in11_alarm
, S_IRUGO
, show_alarm
, NULL
, 2);
1256 static SENSOR_DEVICE_ATTR(in12_alarm
, S_IRUGO
, show_alarm
, NULL
, 3);
1257 static SENSOR_DEVICE_ATTR(in13_alarm
, S_IRUGO
, show_alarm
, NULL
, 4);
1258 static SENSOR_DEVICE_ATTR(in14_alarm
, S_IRUGO
, show_alarm
, NULL
, 5);
1259 static SENSOR_DEVICE_ATTR(in15_alarm
, S_IRUGO
, show_alarm
, NULL
, 6);
1260 static SENSOR_DEVICE_ATTR(in16_alarm
, S_IRUGO
, show_alarm
, NULL
, 7);
1261 static SENSOR_DEVICE_ATTR(in0_alarm
, S_IRUGO
, show_alarm
, NULL
, 8);
1262 static SENSOR_DEVICE_ATTR(in1_alarm
, S_IRUGO
, show_alarm
, NULL
, 9);
1263 static SENSOR_DEVICE_ATTR(in2_alarm
, S_IRUGO
, show_alarm
, NULL
, 10);
1264 static SENSOR_DEVICE_ATTR(in3_alarm
, S_IRUGO
, show_alarm
, NULL
, 11);
1265 static SENSOR_DEVICE_ATTR(in4_alarm
, S_IRUGO
, show_alarm
, NULL
, 12);
1266 static SENSOR_DEVICE_ATTR(in5_alarm
, S_IRUGO
, show_alarm
, NULL
, 13);
1267 static SENSOR_DEVICE_ATTR(in6_alarm
, S_IRUGO
, show_alarm
, NULL
, 14);
1268 static SENSOR_DEVICE_ATTR(in7_alarm
, S_IRUGO
, show_alarm
, NULL
, 15);
1269 static SENSOR_DEVICE_ATTR(fan1_alarm
, S_IRUGO
, show_alarm
, NULL
, 16);
1270 static SENSOR_DEVICE_ATTR(fan2_alarm
, S_IRUGO
, show_alarm
, NULL
, 17);
1271 static SENSOR_DEVICE_ATTR(fan3_alarm
, S_IRUGO
, show_alarm
, NULL
, 18);
1272 static SENSOR_DEVICE_ATTR(fan4_alarm
, S_IRUGO
, show_alarm
, NULL
, 19);
1273 static SENSOR_DEVICE_ATTR(fan5_alarm
, S_IRUGO
, show_alarm
, NULL
, 20);
1274 static SENSOR_DEVICE_ATTR(fan6_alarm
, S_IRUGO
, show_alarm
, NULL
, 21);
1275 static SENSOR_DEVICE_ATTR(fan7_alarm
, S_IRUGO
, show_alarm
, NULL
, 22);
1276 static SENSOR_DEVICE_ATTR(fan8_alarm
, S_IRUGO
, show_alarm
, NULL
, 23);
1277 static SENSOR_DEVICE_ATTR(temp1_alarm
, S_IRUGO
, show_alarm
, NULL
, 24);
1278 static SENSOR_DEVICE_ATTR(in10_alarm
, S_IRUGO
, show_alarm
, NULL
, 25);
1279 static SENSOR_DEVICE_ATTR(in8_alarm
, S_IRUGO
, show_alarm
, NULL
, 26);
1281 static ssize_t
show_alarm_mask(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1283 struct adm1026_data
*data
= adm1026_update_device(dev
);
1284 return sprintf(buf
, "%ld\n", data
->alarm_mask
);
1286 static ssize_t
set_alarm_mask(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1289 struct i2c_client
*client
= to_i2c_client(dev
);
1290 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1291 int val
= simple_strtol(buf
, NULL
, 10);
1294 mutex_lock(&data
->update_lock
);
1295 data
->alarm_mask
= val
& 0x7fffffff;
1296 mask
= data
->alarm_mask
1297 | (data
->gpio_mask
& 0x10000 ? 0x80000000 : 0);
1298 adm1026_write_value(client
, ADM1026_REG_MASK1
,
1301 adm1026_write_value(client
, ADM1026_REG_MASK2
,
1304 adm1026_write_value(client
, ADM1026_REG_MASK3
,
1307 adm1026_write_value(client
, ADM1026_REG_MASK4
,
1309 mutex_unlock(&data
->update_lock
);
1313 static DEVICE_ATTR(alarm_mask
, S_IRUGO
| S_IWUSR
, show_alarm_mask
,
1317 static ssize_t
show_gpio(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1319 struct adm1026_data
*data
= adm1026_update_device(dev
);
1320 return sprintf(buf
, "%ld\n", data
->gpio
);
1322 static ssize_t
set_gpio(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1325 struct i2c_client
*client
= to_i2c_client(dev
);
1326 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1327 int val
= simple_strtol(buf
, NULL
, 10);
1330 mutex_lock(&data
->update_lock
);
1331 data
->gpio
= val
& 0x1ffff;
1333 adm1026_write_value(client
, ADM1026_REG_GPIO_STATUS_0_7
, gpio
& 0xff);
1335 adm1026_write_value(client
, ADM1026_REG_GPIO_STATUS_8_15
, gpio
& 0xff);
1336 gpio
= ((gpio
>> 1) & 0x80) | (data
->alarms
>> 24 & 0x7f);
1337 adm1026_write_value(client
, ADM1026_REG_STATUS4
, gpio
& 0xff);
1338 mutex_unlock(&data
->update_lock
);
1342 static DEVICE_ATTR(gpio
, S_IRUGO
| S_IWUSR
, show_gpio
, set_gpio
);
1345 static ssize_t
show_gpio_mask(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1347 struct adm1026_data
*data
= adm1026_update_device(dev
);
1348 return sprintf(buf
, "%ld\n", data
->gpio_mask
);
1350 static ssize_t
set_gpio_mask(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1353 struct i2c_client
*client
= to_i2c_client(dev
);
1354 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1355 int val
= simple_strtol(buf
, NULL
, 10);
1358 mutex_lock(&data
->update_lock
);
1359 data
->gpio_mask
= val
& 0x1ffff;
1360 mask
= data
->gpio_mask
;
1361 adm1026_write_value(client
, ADM1026_REG_GPIO_MASK_0_7
, mask
& 0xff);
1363 adm1026_write_value(client
, ADM1026_REG_GPIO_MASK_8_15
, mask
& 0xff);
1364 mask
= ((mask
>> 1) & 0x80) | (data
->alarm_mask
>> 24 & 0x7f);
1365 adm1026_write_value(client
, ADM1026_REG_MASK1
, mask
& 0xff);
1366 mutex_unlock(&data
->update_lock
);
1370 static DEVICE_ATTR(gpio_mask
, S_IRUGO
| S_IWUSR
, show_gpio_mask
, set_gpio_mask
);
1372 static ssize_t
show_pwm_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1374 struct adm1026_data
*data
= adm1026_update_device(dev
);
1375 return sprintf(buf
, "%d\n", PWM_FROM_REG(data
->pwm1
.pwm
));
1377 static ssize_t
set_pwm_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1380 struct i2c_client
*client
= to_i2c_client(dev
);
1381 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1383 if (data
->pwm1
.enable
== 1) {
1384 int val
= simple_strtol(buf
, NULL
, 10);
1386 mutex_lock(&data
->update_lock
);
1387 data
->pwm1
.pwm
= PWM_TO_REG(val
);
1388 adm1026_write_value(client
, ADM1026_REG_PWM
, data
->pwm1
.pwm
);
1389 mutex_unlock(&data
->update_lock
);
1393 static ssize_t
show_auto_pwm_min(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1395 struct adm1026_data
*data
= adm1026_update_device(dev
);
1396 return sprintf(buf
, "%d\n", data
->pwm1
.auto_pwm_min
);
1398 static ssize_t
set_auto_pwm_min(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1401 struct i2c_client
*client
= to_i2c_client(dev
);
1402 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1403 int val
= simple_strtol(buf
, NULL
, 10);
1405 mutex_lock(&data
->update_lock
);
1406 data
->pwm1
.auto_pwm_min
= SENSORS_LIMIT(val
, 0, 255);
1407 if (data
->pwm1
.enable
== 2) { /* apply immediately */
1408 data
->pwm1
.pwm
= PWM_TO_REG((data
->pwm1
.pwm
& 0x0f) |
1409 PWM_MIN_TO_REG(data
->pwm1
.auto_pwm_min
));
1410 adm1026_write_value(client
, ADM1026_REG_PWM
, data
->pwm1
.pwm
);
1412 mutex_unlock(&data
->update_lock
);
1415 static ssize_t
show_auto_pwm_max(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1417 return sprintf(buf
, "%d\n", ADM1026_PWM_MAX
);
1419 static ssize_t
show_pwm_enable(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1421 struct adm1026_data
*data
= adm1026_update_device(dev
);
1422 return sprintf(buf
, "%d\n", data
->pwm1
.enable
);
1424 static ssize_t
set_pwm_enable(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1427 struct i2c_client
*client
= to_i2c_client(dev
);
1428 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1429 int val
= simple_strtol(buf
, NULL
, 10);
1432 if ((val
>= 0) && (val
< 3)) {
1433 mutex_lock(&data
->update_lock
);
1434 old_enable
= data
->pwm1
.enable
;
1435 data
->pwm1
.enable
= val
;
1436 data
->config1
= (data
->config1
& ~CFG1_PWM_AFC
)
1437 | ((val
== 2) ? CFG1_PWM_AFC
: 0);
1438 adm1026_write_value(client
, ADM1026_REG_CONFIG1
,
1440 if (val
== 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1441 data
->pwm1
.pwm
= PWM_TO_REG((data
->pwm1
.pwm
& 0x0f) |
1442 PWM_MIN_TO_REG(data
->pwm1
.auto_pwm_min
));
1443 adm1026_write_value(client
, ADM1026_REG_PWM
,
1445 } else if (!((old_enable
== 1) && (val
== 1))) {
1446 /* set pwm to safe value */
1447 data
->pwm1
.pwm
= 255;
1448 adm1026_write_value(client
, ADM1026_REG_PWM
,
1451 mutex_unlock(&data
->update_lock
);
1456 /* enable PWM fan control */
1457 static DEVICE_ATTR(pwm1
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1458 static DEVICE_ATTR(pwm2
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1459 static DEVICE_ATTR(pwm3
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1460 static DEVICE_ATTR(pwm1_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1462 static DEVICE_ATTR(pwm2_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1464 static DEVICE_ATTR(pwm3_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1466 static DEVICE_ATTR(temp1_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1467 show_auto_pwm_min
, set_auto_pwm_min
);
1468 static DEVICE_ATTR(temp2_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1469 show_auto_pwm_min
, set_auto_pwm_min
);
1470 static DEVICE_ATTR(temp3_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1471 show_auto_pwm_min
, set_auto_pwm_min
);
1473 static DEVICE_ATTR(temp1_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1474 static DEVICE_ATTR(temp2_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1475 static DEVICE_ATTR(temp3_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1477 static struct attribute
*adm1026_attributes
[] = {
1478 &sensor_dev_attr_in0_input
.dev_attr
.attr
,
1479 &sensor_dev_attr_in0_max
.dev_attr
.attr
,
1480 &sensor_dev_attr_in0_min
.dev_attr
.attr
,
1481 &sensor_dev_attr_in0_alarm
.dev_attr
.attr
,
1482 &sensor_dev_attr_in1_input
.dev_attr
.attr
,
1483 &sensor_dev_attr_in1_max
.dev_attr
.attr
,
1484 &sensor_dev_attr_in1_min
.dev_attr
.attr
,
1485 &sensor_dev_attr_in1_alarm
.dev_attr
.attr
,
1486 &sensor_dev_attr_in2_input
.dev_attr
.attr
,
1487 &sensor_dev_attr_in2_max
.dev_attr
.attr
,
1488 &sensor_dev_attr_in2_min
.dev_attr
.attr
,
1489 &sensor_dev_attr_in2_alarm
.dev_attr
.attr
,
1490 &sensor_dev_attr_in3_input
.dev_attr
.attr
,
1491 &sensor_dev_attr_in3_max
.dev_attr
.attr
,
1492 &sensor_dev_attr_in3_min
.dev_attr
.attr
,
1493 &sensor_dev_attr_in3_alarm
.dev_attr
.attr
,
1494 &sensor_dev_attr_in4_input
.dev_attr
.attr
,
1495 &sensor_dev_attr_in4_max
.dev_attr
.attr
,
1496 &sensor_dev_attr_in4_min
.dev_attr
.attr
,
1497 &sensor_dev_attr_in4_alarm
.dev_attr
.attr
,
1498 &sensor_dev_attr_in5_input
.dev_attr
.attr
,
1499 &sensor_dev_attr_in5_max
.dev_attr
.attr
,
1500 &sensor_dev_attr_in5_min
.dev_attr
.attr
,
1501 &sensor_dev_attr_in5_alarm
.dev_attr
.attr
,
1502 &sensor_dev_attr_in6_input
.dev_attr
.attr
,
1503 &sensor_dev_attr_in6_max
.dev_attr
.attr
,
1504 &sensor_dev_attr_in6_min
.dev_attr
.attr
,
1505 &sensor_dev_attr_in6_alarm
.dev_attr
.attr
,
1506 &sensor_dev_attr_in7_input
.dev_attr
.attr
,
1507 &sensor_dev_attr_in7_max
.dev_attr
.attr
,
1508 &sensor_dev_attr_in7_min
.dev_attr
.attr
,
1509 &sensor_dev_attr_in7_alarm
.dev_attr
.attr
,
1510 &sensor_dev_attr_in10_input
.dev_attr
.attr
,
1511 &sensor_dev_attr_in10_max
.dev_attr
.attr
,
1512 &sensor_dev_attr_in10_min
.dev_attr
.attr
,
1513 &sensor_dev_attr_in10_alarm
.dev_attr
.attr
,
1514 &sensor_dev_attr_in11_input
.dev_attr
.attr
,
1515 &sensor_dev_attr_in11_max
.dev_attr
.attr
,
1516 &sensor_dev_attr_in11_min
.dev_attr
.attr
,
1517 &sensor_dev_attr_in11_alarm
.dev_attr
.attr
,
1518 &sensor_dev_attr_in12_input
.dev_attr
.attr
,
1519 &sensor_dev_attr_in12_max
.dev_attr
.attr
,
1520 &sensor_dev_attr_in12_min
.dev_attr
.attr
,
1521 &sensor_dev_attr_in12_alarm
.dev_attr
.attr
,
1522 &sensor_dev_attr_in13_input
.dev_attr
.attr
,
1523 &sensor_dev_attr_in13_max
.dev_attr
.attr
,
1524 &sensor_dev_attr_in13_min
.dev_attr
.attr
,
1525 &sensor_dev_attr_in13_alarm
.dev_attr
.attr
,
1526 &sensor_dev_attr_in14_input
.dev_attr
.attr
,
1527 &sensor_dev_attr_in14_max
.dev_attr
.attr
,
1528 &sensor_dev_attr_in14_min
.dev_attr
.attr
,
1529 &sensor_dev_attr_in14_alarm
.dev_attr
.attr
,
1530 &sensor_dev_attr_in15_input
.dev_attr
.attr
,
1531 &sensor_dev_attr_in15_max
.dev_attr
.attr
,
1532 &sensor_dev_attr_in15_min
.dev_attr
.attr
,
1533 &sensor_dev_attr_in15_alarm
.dev_attr
.attr
,
1534 &sensor_dev_attr_in16_input
.dev_attr
.attr
,
1535 &sensor_dev_attr_in16_max
.dev_attr
.attr
,
1536 &sensor_dev_attr_in16_min
.dev_attr
.attr
,
1537 &sensor_dev_attr_in16_alarm
.dev_attr
.attr
,
1538 &sensor_dev_attr_fan1_input
.dev_attr
.attr
,
1539 &sensor_dev_attr_fan1_div
.dev_attr
.attr
,
1540 &sensor_dev_attr_fan1_min
.dev_attr
.attr
,
1541 &sensor_dev_attr_fan1_alarm
.dev_attr
.attr
,
1542 &sensor_dev_attr_fan2_input
.dev_attr
.attr
,
1543 &sensor_dev_attr_fan2_div
.dev_attr
.attr
,
1544 &sensor_dev_attr_fan2_min
.dev_attr
.attr
,
1545 &sensor_dev_attr_fan2_alarm
.dev_attr
.attr
,
1546 &sensor_dev_attr_fan3_input
.dev_attr
.attr
,
1547 &sensor_dev_attr_fan3_div
.dev_attr
.attr
,
1548 &sensor_dev_attr_fan3_min
.dev_attr
.attr
,
1549 &sensor_dev_attr_fan3_alarm
.dev_attr
.attr
,
1550 &sensor_dev_attr_fan4_input
.dev_attr
.attr
,
1551 &sensor_dev_attr_fan4_div
.dev_attr
.attr
,
1552 &sensor_dev_attr_fan4_min
.dev_attr
.attr
,
1553 &sensor_dev_attr_fan4_alarm
.dev_attr
.attr
,
1554 &sensor_dev_attr_fan5_input
.dev_attr
.attr
,
1555 &sensor_dev_attr_fan5_div
.dev_attr
.attr
,
1556 &sensor_dev_attr_fan5_min
.dev_attr
.attr
,
1557 &sensor_dev_attr_fan5_alarm
.dev_attr
.attr
,
1558 &sensor_dev_attr_fan6_input
.dev_attr
.attr
,
1559 &sensor_dev_attr_fan6_div
.dev_attr
.attr
,
1560 &sensor_dev_attr_fan6_min
.dev_attr
.attr
,
1561 &sensor_dev_attr_fan6_alarm
.dev_attr
.attr
,
1562 &sensor_dev_attr_fan7_input
.dev_attr
.attr
,
1563 &sensor_dev_attr_fan7_div
.dev_attr
.attr
,
1564 &sensor_dev_attr_fan7_min
.dev_attr
.attr
,
1565 &sensor_dev_attr_fan7_alarm
.dev_attr
.attr
,
1566 &sensor_dev_attr_fan8_input
.dev_attr
.attr
,
1567 &sensor_dev_attr_fan8_div
.dev_attr
.attr
,
1568 &sensor_dev_attr_fan8_min
.dev_attr
.attr
,
1569 &sensor_dev_attr_fan8_alarm
.dev_attr
.attr
,
1570 &sensor_dev_attr_temp1_input
.dev_attr
.attr
,
1571 &sensor_dev_attr_temp1_max
.dev_attr
.attr
,
1572 &sensor_dev_attr_temp1_min
.dev_attr
.attr
,
1573 &sensor_dev_attr_temp1_alarm
.dev_attr
.attr
,
1574 &sensor_dev_attr_temp2_input
.dev_attr
.attr
,
1575 &sensor_dev_attr_temp2_max
.dev_attr
.attr
,
1576 &sensor_dev_attr_temp2_min
.dev_attr
.attr
,
1577 &sensor_dev_attr_temp2_alarm
.dev_attr
.attr
,
1578 &sensor_dev_attr_temp1_offset
.dev_attr
.attr
,
1579 &sensor_dev_attr_temp2_offset
.dev_attr
.attr
,
1580 &sensor_dev_attr_temp1_auto_point1_temp
.dev_attr
.attr
,
1581 &sensor_dev_attr_temp2_auto_point1_temp
.dev_attr
.attr
,
1582 &sensor_dev_attr_temp1_auto_point1_temp_hyst
.dev_attr
.attr
,
1583 &sensor_dev_attr_temp2_auto_point1_temp_hyst
.dev_attr
.attr
,
1584 &sensor_dev_attr_temp1_auto_point2_temp
.dev_attr
.attr
,
1585 &sensor_dev_attr_temp2_auto_point2_temp
.dev_attr
.attr
,
1586 &sensor_dev_attr_temp1_crit
.dev_attr
.attr
,
1587 &sensor_dev_attr_temp2_crit
.dev_attr
.attr
,
1588 &dev_attr_temp1_crit_enable
.attr
,
1589 &dev_attr_temp2_crit_enable
.attr
,
1590 &dev_attr_cpu0_vid
.attr
,
1592 &dev_attr_alarms
.attr
,
1593 &dev_attr_alarm_mask
.attr
,
1594 &dev_attr_gpio
.attr
,
1595 &dev_attr_gpio_mask
.attr
,
1596 &dev_attr_pwm1
.attr
,
1597 &dev_attr_pwm2
.attr
,
1598 &dev_attr_pwm3
.attr
,
1599 &dev_attr_pwm1_enable
.attr
,
1600 &dev_attr_pwm2_enable
.attr
,
1601 &dev_attr_pwm3_enable
.attr
,
1602 &dev_attr_temp1_auto_point1_pwm
.attr
,
1603 &dev_attr_temp2_auto_point1_pwm
.attr
,
1604 &dev_attr_temp1_auto_point2_pwm
.attr
,
1605 &dev_attr_temp2_auto_point2_pwm
.attr
,
1606 &dev_attr_analog_out
.attr
,
1610 static const struct attribute_group adm1026_group
= {
1611 .attrs
= adm1026_attributes
,
1614 static struct attribute
*adm1026_attributes_temp3
[] = {
1615 &sensor_dev_attr_temp3_input
.dev_attr
.attr
,
1616 &sensor_dev_attr_temp3_max
.dev_attr
.attr
,
1617 &sensor_dev_attr_temp3_min
.dev_attr
.attr
,
1618 &sensor_dev_attr_temp3_alarm
.dev_attr
.attr
,
1619 &sensor_dev_attr_temp3_offset
.dev_attr
.attr
,
1620 &sensor_dev_attr_temp3_auto_point1_temp
.dev_attr
.attr
,
1621 &sensor_dev_attr_temp3_auto_point1_temp_hyst
.dev_attr
.attr
,
1622 &sensor_dev_attr_temp3_auto_point2_temp
.dev_attr
.attr
,
1623 &sensor_dev_attr_temp3_crit
.dev_attr
.attr
,
1624 &dev_attr_temp3_crit_enable
.attr
,
1625 &dev_attr_temp3_auto_point1_pwm
.attr
,
1626 &dev_attr_temp3_auto_point2_pwm
.attr
,
1630 static const struct attribute_group adm1026_group_temp3
= {
1631 .attrs
= adm1026_attributes_temp3
,
1634 static struct attribute
*adm1026_attributes_in8_9
[] = {
1635 &sensor_dev_attr_in8_input
.dev_attr
.attr
,
1636 &sensor_dev_attr_in8_max
.dev_attr
.attr
,
1637 &sensor_dev_attr_in8_min
.dev_attr
.attr
,
1638 &sensor_dev_attr_in8_alarm
.dev_attr
.attr
,
1639 &sensor_dev_attr_in9_input
.dev_attr
.attr
,
1640 &sensor_dev_attr_in9_max
.dev_attr
.attr
,
1641 &sensor_dev_attr_in9_min
.dev_attr
.attr
,
1642 &sensor_dev_attr_in9_alarm
.dev_attr
.attr
,
1646 static const struct attribute_group adm1026_group_in8_9
= {
1647 .attrs
= adm1026_attributes_in8_9
,
1650 static int adm1026_detect(struct i2c_adapter
*adapter
, int address
,
1653 int company
, verstep
;
1654 struct i2c_client
*client
;
1655 struct adm1026_data
*data
;
1657 const char *type_name
= "";
1659 if (!i2c_check_functionality(adapter
, I2C_FUNC_SMBUS_BYTE_DATA
)) {
1660 /* We need to be able to do byte I/O */
1664 /* OK. For now, we presume we have a valid client. We now create the
1665 client structure, even though we cannot fill it completely yet.
1666 But it allows us to access adm1026_{read,write}_value. */
1668 if (!(data
= kzalloc(sizeof(struct adm1026_data
), GFP_KERNEL
))) {
1673 client
= &data
->client
;
1674 i2c_set_clientdata(client
, data
);
1675 client
->addr
= address
;
1676 client
->adapter
= adapter
;
1677 client
->driver
= &adm1026_driver
;
1679 /* Now, we do the remaining detection. */
1681 company
= adm1026_read_value(client
, ADM1026_REG_COMPANY
);
1682 verstep
= adm1026_read_value(client
, ADM1026_REG_VERSTEP
);
1684 dev_dbg(&client
->dev
, "Detecting device at %d,0x%02x with"
1685 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1686 i2c_adapter_id(client
->adapter
), client
->addr
,
1689 /* If auto-detecting, Determine the chip type. */
1691 dev_dbg(&client
->dev
, "Autodetecting device at %d,0x%02x "
1692 "...\n", i2c_adapter_id(adapter
), address
);
1693 if (company
== ADM1026_COMPANY_ANALOG_DEV
1694 && verstep
== ADM1026_VERSTEP_ADM1026
) {
1696 } else if (company
== ADM1026_COMPANY_ANALOG_DEV
1697 && (verstep
& 0xf0) == ADM1026_VERSTEP_GENERIC
) {
1698 dev_err(&adapter
->dev
, ": Unrecognized stepping "
1699 "0x%02x. Defaulting to ADM1026.\n", verstep
);
1701 } else if ((verstep
& 0xf0) == ADM1026_VERSTEP_GENERIC
) {
1702 dev_err(&adapter
->dev
, ": Found version/stepping "
1703 "0x%02x. Assuming generic ADM1026.\n",
1707 dev_dbg(&client
->dev
, ": Autodetection "
1709 /* Not an ADM1026 ... */
1710 if (kind
== 0) { /* User used force=x,y */
1711 dev_err(&adapter
->dev
, "Generic ADM1026 not "
1712 "found at %d,0x%02x. Try "
1714 i2c_adapter_id(adapter
), address
);
1720 /* Fill in the chip specific driver values */
1723 type_name
= "adm1026";
1726 type_name
= "adm1026";
1729 dev_err(&adapter
->dev
, ": Internal error, invalid "
1730 "kind (%d)!\n", kind
);
1734 strlcpy(client
->name
, type_name
, I2C_NAME_SIZE
);
1736 /* Fill in the remaining client fields */
1737 mutex_init(&data
->update_lock
);
1739 /* Tell the I2C layer a new client has arrived */
1740 if ((err
= i2c_attach_client(client
)))
1743 /* Set the VRM version */
1744 data
->vrm
= vid_which_vrm();
1746 /* Initialize the ADM1026 chip */
1747 adm1026_init_client(client
);
1749 /* Register sysfs hooks */
1750 if ((err
= sysfs_create_group(&client
->dev
.kobj
, &adm1026_group
)))
1752 if (data
->config1
& CFG1_AIN8_9
)
1753 err
= sysfs_create_group(&client
->dev
.kobj
,
1754 &adm1026_group_in8_9
);
1756 err
= sysfs_create_group(&client
->dev
.kobj
,
1757 &adm1026_group_temp3
);
1761 data
->hwmon_dev
= hwmon_device_register(&client
->dev
);
1762 if (IS_ERR(data
->hwmon_dev
)) {
1763 err
= PTR_ERR(data
->hwmon_dev
);
1769 /* Error out and cleanup code */
1771 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group
);
1772 if (data
->config1
& CFG1_AIN8_9
)
1773 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_in8_9
);
1775 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_temp3
);
1777 i2c_detach_client(client
);
1784 static int adm1026_detach_client(struct i2c_client
*client
)
1786 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1787 hwmon_device_unregister(data
->hwmon_dev
);
1788 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group
);
1789 if (data
->config1
& CFG1_AIN8_9
)
1790 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_in8_9
);
1792 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_temp3
);
1793 i2c_detach_client(client
);
1798 static int __init
sm_adm1026_init(void)
1800 return i2c_add_driver(&adm1026_driver
);
1803 static void __exit
sm_adm1026_exit(void)
1805 i2c_del_driver(&adm1026_driver
);
1808 MODULE_LICENSE("GPL");
1809 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1810 "Justin Thiessen <jthiessen@penguincomputing.com>");
1811 MODULE_DESCRIPTION("ADM1026 driver");
1813 module_init(sm_adm1026_init
);
1814 module_exit(sm_adm1026_exit
);