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.onsemi.com/PowerSolutions/product.do?id=ADM1026>
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 static int gpio_input
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
41 -1, -1, -1, -1, -1, -1, -1, -1 };
42 static int gpio_output
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
43 -1, -1, -1, -1, -1, -1, -1, -1 };
44 static int gpio_inverted
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
45 -1, -1, -1, -1, -1, -1, -1, -1 };
46 static int gpio_normal
[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
47 -1, -1, -1, -1, -1, -1, -1, -1 };
48 static int gpio_fan
[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
49 module_param_array(gpio_input
, int, NULL
, 0);
50 MODULE_PARM_DESC(gpio_input
, "List of GPIO pins (0-16) to program as inputs");
51 module_param_array(gpio_output
, int, NULL
, 0);
52 MODULE_PARM_DESC(gpio_output
, "List of GPIO pins (0-16) to program as "
54 module_param_array(gpio_inverted
, int, NULL
, 0);
55 MODULE_PARM_DESC(gpio_inverted
, "List of GPIO pins (0-16) to program as "
57 module_param_array(gpio_normal
, int, NULL
, 0);
58 MODULE_PARM_DESC(gpio_normal
, "List of GPIO pins (0-16) to program as "
59 "normal/non-inverted");
60 module_param_array(gpio_fan
, int, NULL
, 0);
61 MODULE_PARM_DESC(gpio_fan
, "List of GPIO pins (0-7) to program as fan tachs");
63 /* Many ADM1026 constants specified below */
65 /* The ADM1026 registers */
66 #define ADM1026_REG_CONFIG1 0x00
67 #define CFG1_MONITOR 0x01
68 #define CFG1_INT_ENABLE 0x02
69 #define CFG1_INT_CLEAR 0x04
70 #define CFG1_AIN8_9 0x08
71 #define CFG1_THERM_HOT 0x10
72 #define CFG1_DAC_AFC 0x20
73 #define CFG1_PWM_AFC 0x40
74 #define CFG1_RESET 0x80
76 #define ADM1026_REG_CONFIG2 0x01
77 /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
79 #define ADM1026_REG_CONFIG3 0x07
80 #define CFG3_GPIO16_ENABLE 0x01
81 #define CFG3_CI_CLEAR 0x02
82 #define CFG3_VREF_250 0x04
83 #define CFG3_GPIO16_DIR 0x40
84 #define CFG3_GPIO16_POL 0x80
86 #define ADM1026_REG_E2CONFIG 0x13
87 #define E2CFG_READ 0x01
88 #define E2CFG_WRITE 0x02
89 #define E2CFG_ERASE 0x04
90 #define E2CFG_ROM 0x08
91 #define E2CFG_CLK_EXT 0x80
93 /* There are 10 general analog inputs and 7 dedicated inputs
100 * 14 = Vccp (CPU core voltage)
104 static u16 ADM1026_REG_IN
[] = {
105 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
106 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
107 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
109 static u16 ADM1026_REG_IN_MIN
[] = {
110 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
111 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
112 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
114 static u16 ADM1026_REG_IN_MAX
[] = {
115 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
116 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
117 0x43, 0x44, 0x45, 0x46, 0x47
125 static u16 ADM1026_REG_TEMP
[] = { 0x1f, 0x28, 0x29 };
126 static u16 ADM1026_REG_TEMP_MIN
[] = { 0x69, 0x48, 0x49 };
127 static u16 ADM1026_REG_TEMP_MAX
[] = { 0x68, 0x40, 0x41 };
128 static u16 ADM1026_REG_TEMP_TMIN
[] = { 0x10, 0x11, 0x12 };
129 static u16 ADM1026_REG_TEMP_THERM
[] = { 0x0d, 0x0e, 0x0f };
130 static u16 ADM1026_REG_TEMP_OFFSET
[] = { 0x1e, 0x6e, 0x6f };
132 #define ADM1026_REG_FAN(nr) (0x38 + (nr))
133 #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
134 #define ADM1026_REG_FAN_DIV_0_3 0x02
135 #define ADM1026_REG_FAN_DIV_4_7 0x03
137 #define ADM1026_REG_DAC 0x04
138 #define ADM1026_REG_PWM 0x05
140 #define ADM1026_REG_GPIO_CFG_0_3 0x08
141 #define ADM1026_REG_GPIO_CFG_4_7 0x09
142 #define ADM1026_REG_GPIO_CFG_8_11 0x0a
143 #define ADM1026_REG_GPIO_CFG_12_15 0x0b
144 /* CFG_16 in REG_CFG3 */
145 #define ADM1026_REG_GPIO_STATUS_0_7 0x24
146 #define ADM1026_REG_GPIO_STATUS_8_15 0x25
147 /* STATUS_16 in REG_STATUS4 */
148 #define ADM1026_REG_GPIO_MASK_0_7 0x1c
149 #define ADM1026_REG_GPIO_MASK_8_15 0x1d
150 /* MASK_16 in REG_MASK4 */
152 #define ADM1026_REG_COMPANY 0x16
153 #define ADM1026_REG_VERSTEP 0x17
154 /* These are the recognized values for the above regs */
155 #define ADM1026_COMPANY_ANALOG_DEV 0x41
156 #define ADM1026_VERSTEP_GENERIC 0x40
157 #define ADM1026_VERSTEP_ADM1026 0x44
159 #define ADM1026_REG_MASK1 0x18
160 #define ADM1026_REG_MASK2 0x19
161 #define ADM1026_REG_MASK3 0x1a
162 #define ADM1026_REG_MASK4 0x1b
164 #define ADM1026_REG_STATUS1 0x20
165 #define ADM1026_REG_STATUS2 0x21
166 #define ADM1026_REG_STATUS3 0x22
167 #define ADM1026_REG_STATUS4 0x23
169 #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
170 #define ADM1026_FAN_CONTROL_TEMP_RANGE 20
171 #define ADM1026_PWM_MAX 255
173 /* Conversions. Rounding and limit checking is only done on the TO_REG
174 * variants. Note that you should be a bit careful with which arguments
175 * these macros are called: arguments may be evaluated more than once.
178 /* IN are scaled according to built-in resistors. These are the
179 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
180 * NOTE: The -12V input needs an additional factor to account
181 * for the Vref pullup resistor.
182 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
183 * = 13875 * 2.50 / 1.875 - 2500
186 * The values in this table are based on Table II, page 15 of the
189 static int adm1026_scaling
[] = { /* .001 Volts */
190 2250, 2250, 2250, 2250, 2250, 2250,
191 1875, 1875, 1875, 1875, 3000, 3330,
192 3330, 4995, 2250, 12000, 13875
194 #define NEG12_OFFSET 16000
195 #define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
196 #define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
198 #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
200 /* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
201 * and we assume a 2 pulse-per-rev fan tach signal
202 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
204 #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
205 SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
206 #define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
207 1350000/((val)*(div)))
208 #define DIV_FROM_REG(val) (1<<(val))
209 #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
211 /* Temperature is reported in 1 degC increments */
212 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
214 #define TEMP_FROM_REG(val) ((val) * 1000)
215 #define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
217 #define OFFSET_FROM_REG(val) ((val) * 1000)
219 #define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
220 #define PWM_FROM_REG(val) (val)
222 #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
223 #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
225 /* Analog output is a voltage, and scaled to millivolts. The datasheet
226 * indicates that the DAC could be used to drive the fans, but in our
227 * example board (Arima HDAMA) it isn't connected to the fans at all.
229 #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
230 #define DAC_FROM_REG(val) (((val)*2500)/255)
232 /* Chip sampling rates
234 * Some sensors are not updated more frequently than once per second
235 * so it doesn't make sense to read them more often than that.
236 * We cache the results and return the saved data if the driver
237 * is called again before a second has elapsed.
239 * Also, there is significant configuration data for this chip
240 * So, we keep the config data up to date in the cache
241 * when it is written and only sample it once every 5 *minutes*
243 #define ADM1026_DATA_INTERVAL (1 * HZ)
244 #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
246 /* We allow for multiple chips in a single system.
248 * For each registered ADM1026, we need to keep state information
249 * at client->data. The adm1026_data structure is dynamically
250 * allocated, when a new client structure is allocated. */
258 struct adm1026_data
{
259 struct device
*hwmon_dev
;
261 struct mutex update_lock
;
262 int valid
; /* !=0 if following fields are valid */
263 unsigned long last_reading
; /* In jiffies */
264 unsigned long last_config
; /* In jiffies */
266 u8 in
[17]; /* Register value */
267 u8 in_max
[17]; /* Register value */
268 u8 in_min
[17]; /* Register value */
269 s8 temp
[3]; /* Register value */
270 s8 temp_min
[3]; /* Register value */
271 s8 temp_max
[3]; /* Register value */
272 s8 temp_tmin
[3]; /* Register value */
273 s8 temp_crit
[3]; /* Register value */
274 s8 temp_offset
[3]; /* Register value */
275 u8 fan
[8]; /* Register value */
276 u8 fan_min
[8]; /* Register value */
277 u8 fan_div
[8]; /* Decoded value */
278 struct pwm_data pwm1
; /* Pwm control values */
279 u8 vrm
; /* VRM version */
280 u8 analog_out
; /* Register value (DAC) */
281 long alarms
; /* Register encoding, combined */
282 long alarm_mask
; /* Register encoding, combined */
283 long gpio
; /* Register encoding, combined */
284 long gpio_mask
; /* Register encoding, combined */
285 u8 gpio_config
[17]; /* Decoded value */
286 u8 config1
; /* Register value */
287 u8 config2
; /* Register value */
288 u8 config3
; /* Register value */
291 static int adm1026_probe(struct i2c_client
*client
,
292 const struct i2c_device_id
*id
);
293 static int adm1026_detect(struct i2c_client
*client
,
294 struct i2c_board_info
*info
);
295 static int adm1026_remove(struct i2c_client
*client
);
296 static int adm1026_read_value(struct i2c_client
*client
, u8 reg
);
297 static int adm1026_write_value(struct i2c_client
*client
, u8 reg
, int value
);
298 static void adm1026_print_gpio(struct i2c_client
*client
);
299 static void adm1026_fixup_gpio(struct i2c_client
*client
);
300 static struct adm1026_data
*adm1026_update_device(struct device
*dev
);
301 static void adm1026_init_client(struct i2c_client
*client
);
304 static const struct i2c_device_id adm1026_id
[] = {
308 MODULE_DEVICE_TABLE(i2c
, adm1026_id
);
310 static struct i2c_driver adm1026_driver
= {
311 .class = I2C_CLASS_HWMON
,
315 .probe
= adm1026_probe
,
316 .remove
= adm1026_remove
,
317 .id_table
= adm1026_id
,
318 .detect
= adm1026_detect
,
319 .address_list
= normal_i2c
,
322 static int adm1026_read_value(struct i2c_client
*client
, u8 reg
)
327 /* "RAM" locations */
328 res
= i2c_smbus_read_byte_data(client
, reg
) & 0xff;
330 /* EEPROM, do nothing */
336 static int adm1026_write_value(struct i2c_client
*client
, u8 reg
, int value
)
341 /* "RAM" locations */
342 res
= i2c_smbus_write_byte_data(client
, reg
, value
);
344 /* EEPROM, do nothing */
350 static void adm1026_init_client(struct i2c_client
*client
)
353 struct adm1026_data
*data
= i2c_get_clientdata(client
);
355 dev_dbg(&client
->dev
, "Initializing device\n");
356 /* Read chip config */
357 data
->config1
= adm1026_read_value(client
, ADM1026_REG_CONFIG1
);
358 data
->config2
= adm1026_read_value(client
, ADM1026_REG_CONFIG2
);
359 data
->config3
= adm1026_read_value(client
, ADM1026_REG_CONFIG3
);
361 /* Inform user of chip config */
362 dev_dbg(&client
->dev
, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
364 if ((data
->config1
& CFG1_MONITOR
) == 0) {
365 dev_dbg(&client
->dev
, "Monitoring not currently "
368 if (data
->config1
& CFG1_INT_ENABLE
) {
369 dev_dbg(&client
->dev
, "SMBALERT interrupts are "
372 if (data
->config1
& CFG1_AIN8_9
) {
373 dev_dbg(&client
->dev
, "in8 and in9 enabled. "
374 "temp3 disabled.\n");
376 dev_dbg(&client
->dev
, "temp3 enabled. in8 and "
379 if (data
->config1
& CFG1_THERM_HOT
) {
380 dev_dbg(&client
->dev
, "Automatic THERM, PWM, "
381 "and temp limits enabled.\n");
384 if (data
->config3
& CFG3_GPIO16_ENABLE
) {
385 dev_dbg(&client
->dev
, "GPIO16 enabled. THERM "
388 dev_dbg(&client
->dev
, "THERM pin enabled. "
389 "GPIO16 disabled.\n");
391 if (data
->config3
& CFG3_VREF_250
) {
392 dev_dbg(&client
->dev
, "Vref is 2.50 Volts.\n");
394 dev_dbg(&client
->dev
, "Vref is 1.82 Volts.\n");
396 /* Read and pick apart the existing GPIO configuration */
398 for (i
= 0;i
<= 15;++i
) {
399 if ((i
& 0x03) == 0) {
400 value
= adm1026_read_value(client
,
401 ADM1026_REG_GPIO_CFG_0_3
+ i
/4);
403 data
->gpio_config
[i
] = value
& 0x03;
406 data
->gpio_config
[16] = (data
->config3
>> 6) & 0x03;
408 /* ... and then print it */
409 adm1026_print_gpio(client
);
411 /* If the user asks us to reprogram the GPIO config, then
414 if (gpio_input
[0] != -1 || gpio_output
[0] != -1
415 || gpio_inverted
[0] != -1 || gpio_normal
[0] != -1
416 || gpio_fan
[0] != -1) {
417 adm1026_fixup_gpio(client
);
420 /* WE INTENTIONALLY make no changes to the limits,
421 * offsets, pwms, fans and zones. If they were
422 * configured, we don't want to mess with them.
423 * If they weren't, the default is 100% PWM, no
424 * control and will suffice until 'sensors -s'
425 * can be run by the user. We DO set the default
426 * value for pwm1.auto_pwm_min to its maximum
427 * so that enabling automatic pwm fan control
428 * without first setting a value for pwm1.auto_pwm_min
429 * will not result in potentially dangerous fan speed decrease.
431 data
->pwm1
.auto_pwm_min
=255;
432 /* Start monitoring */
433 value
= adm1026_read_value(client
, ADM1026_REG_CONFIG1
);
434 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
435 value
= (value
| CFG1_MONITOR
) & (~CFG1_INT_CLEAR
& ~CFG1_RESET
);
436 dev_dbg(&client
->dev
, "Setting CONFIG to: 0x%02x\n", value
);
437 data
->config1
= value
;
438 adm1026_write_value(client
, ADM1026_REG_CONFIG1
, value
);
440 /* initialize fan_div[] to hardware defaults */
441 value
= adm1026_read_value(client
, ADM1026_REG_FAN_DIV_0_3
) |
442 (adm1026_read_value(client
, ADM1026_REG_FAN_DIV_4_7
) << 8);
443 for (i
= 0;i
<= 7;++i
) {
444 data
->fan_div
[i
] = DIV_FROM_REG(value
& 0x03);
449 static void adm1026_print_gpio(struct i2c_client
*client
)
451 struct adm1026_data
*data
= i2c_get_clientdata(client
);
454 dev_dbg(&client
->dev
, "GPIO config is:\n");
455 for (i
= 0;i
<= 7;++i
) {
456 if (data
->config2
& (1 << i
)) {
457 dev_dbg(&client
->dev
, "\t%sGP%s%d\n",
458 data
->gpio_config
[i
] & 0x02 ? "" : "!",
459 data
->gpio_config
[i
] & 0x01 ? "OUT" : "IN",
462 dev_dbg(&client
->dev
, "\tFAN%d\n", i
);
465 for (i
= 8;i
<= 15;++i
) {
466 dev_dbg(&client
->dev
, "\t%sGP%s%d\n",
467 data
->gpio_config
[i
] & 0x02 ? "" : "!",
468 data
->gpio_config
[i
] & 0x01 ? "OUT" : "IN",
471 if (data
->config3
& CFG3_GPIO16_ENABLE
) {
472 dev_dbg(&client
->dev
, "\t%sGP%s16\n",
473 data
->gpio_config
[16] & 0x02 ? "" : "!",
474 data
->gpio_config
[16] & 0x01 ? "OUT" : "IN");
476 /* GPIO16 is THERM */
477 dev_dbg(&client
->dev
, "\tTHERM\n");
481 static void adm1026_fixup_gpio(struct i2c_client
*client
)
483 struct adm1026_data
*data
= i2c_get_clientdata(client
);
487 /* Make the changes requested. */
488 /* We may need to unlock/stop monitoring or soft-reset the
489 * chip before we can make changes. This hasn't been
494 for (i
= 0;i
<= 16;++i
) {
495 if (gpio_output
[i
] >= 0 && gpio_output
[i
] <= 16) {
496 data
->gpio_config
[gpio_output
[i
]] |= 0x01;
498 /* if GPIO0-7 is output, it isn't a FAN tach */
499 if (gpio_output
[i
] >= 0 && gpio_output
[i
] <= 7) {
500 data
->config2
|= 1 << gpio_output
[i
];
504 /* Input overrides output */
505 for (i
= 0;i
<= 16;++i
) {
506 if (gpio_input
[i
] >= 0 && gpio_input
[i
] <= 16) {
507 data
->gpio_config
[gpio_input
[i
]] &= ~ 0x01;
509 /* if GPIO0-7 is input, it isn't a FAN tach */
510 if (gpio_input
[i
] >= 0 && gpio_input
[i
] <= 7) {
511 data
->config2
|= 1 << gpio_input
[i
];
516 for (i
= 0;i
<= 16;++i
) {
517 if (gpio_inverted
[i
] >= 0 && gpio_inverted
[i
] <= 16) {
518 data
->gpio_config
[gpio_inverted
[i
]] &= ~ 0x02;
522 /* Normal overrides inverted */
523 for (i
= 0;i
<= 16;++i
) {
524 if (gpio_normal
[i
] >= 0 && gpio_normal
[i
] <= 16) {
525 data
->gpio_config
[gpio_normal
[i
]] |= 0x02;
529 /* Fan overrides input and output */
530 for (i
= 0;i
<= 7;++i
) {
531 if (gpio_fan
[i
] >= 0 && gpio_fan
[i
] <= 7) {
532 data
->config2
&= ~(1 << gpio_fan
[i
]);
536 /* Write new configs to registers */
537 adm1026_write_value(client
, ADM1026_REG_CONFIG2
, data
->config2
);
538 data
->config3
= (data
->config3
& 0x3f)
539 | ((data
->gpio_config
[16] & 0x03) << 6);
540 adm1026_write_value(client
, ADM1026_REG_CONFIG3
, data
->config3
);
541 for (i
= 15, value
= 0;i
>= 0;--i
) {
543 value
|= data
->gpio_config
[i
] & 0x03;
544 if ((i
& 0x03) == 0) {
545 adm1026_write_value(client
,
546 ADM1026_REG_GPIO_CFG_0_3
+ i
/4,
552 /* Print the new config */
553 adm1026_print_gpio(client
);
557 static struct adm1026_data
*adm1026_update_device(struct device
*dev
)
559 struct i2c_client
*client
= to_i2c_client(dev
);
560 struct adm1026_data
*data
= i2c_get_clientdata(client
);
562 long value
, alarms
, gpio
;
564 mutex_lock(&data
->update_lock
);
566 || time_after(jiffies
, data
->last_reading
+ ADM1026_DATA_INTERVAL
)) {
567 /* Things that change quickly */
568 dev_dbg(&client
->dev
, "Reading sensor values\n");
569 for (i
= 0;i
<= 16;++i
) {
571 adm1026_read_value(client
, ADM1026_REG_IN
[i
]);
574 for (i
= 0;i
<= 7;++i
) {
576 adm1026_read_value(client
, ADM1026_REG_FAN(i
));
579 for (i
= 0;i
<= 2;++i
) {
580 /* NOTE: temp[] is s8 and we assume 2's complement
581 * "conversion" in the assignment */
583 adm1026_read_value(client
, ADM1026_REG_TEMP
[i
]);
586 data
->pwm1
.pwm
= adm1026_read_value(client
,
588 data
->analog_out
= adm1026_read_value(client
,
590 /* GPIO16 is MSbit of alarms, move it to gpio */
591 alarms
= adm1026_read_value(client
, ADM1026_REG_STATUS4
);
592 gpio
= alarms
& 0x80 ? 0x0100 : 0; /* GPIO16 */
595 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS3
);
597 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS2
);
599 alarms
|= adm1026_read_value(client
, ADM1026_REG_STATUS1
);
600 data
->alarms
= alarms
;
602 /* Read the GPIO values */
603 gpio
|= adm1026_read_value(client
,
604 ADM1026_REG_GPIO_STATUS_8_15
);
606 gpio
|= adm1026_read_value(client
,
607 ADM1026_REG_GPIO_STATUS_0_7
);
610 data
->last_reading
= jiffies
;
611 }; /* last_reading */
614 time_after(jiffies
, data
->last_config
+ ADM1026_CONFIG_INTERVAL
)) {
615 /* Things that don't change often */
616 dev_dbg(&client
->dev
, "Reading config values\n");
617 for (i
= 0;i
<= 16;++i
) {
618 data
->in_min
[i
] = adm1026_read_value(client
,
619 ADM1026_REG_IN_MIN
[i
]);
620 data
->in_max
[i
] = adm1026_read_value(client
,
621 ADM1026_REG_IN_MAX
[i
]);
624 value
= adm1026_read_value(client
, ADM1026_REG_FAN_DIV_0_3
)
625 | (adm1026_read_value(client
, ADM1026_REG_FAN_DIV_4_7
)
627 for (i
= 0;i
<= 7;++i
) {
628 data
->fan_min
[i
] = adm1026_read_value(client
,
629 ADM1026_REG_FAN_MIN(i
));
630 data
->fan_div
[i
] = DIV_FROM_REG(value
& 0x03);
634 for (i
= 0; i
<= 2; ++i
) {
635 /* NOTE: temp_xxx[] are s8 and we assume 2's
636 * complement "conversion" in the assignment
638 data
->temp_min
[i
] = adm1026_read_value(client
,
639 ADM1026_REG_TEMP_MIN
[i
]);
640 data
->temp_max
[i
] = adm1026_read_value(client
,
641 ADM1026_REG_TEMP_MAX
[i
]);
642 data
->temp_tmin
[i
] = adm1026_read_value(client
,
643 ADM1026_REG_TEMP_TMIN
[i
]);
644 data
->temp_crit
[i
] = adm1026_read_value(client
,
645 ADM1026_REG_TEMP_THERM
[i
]);
646 data
->temp_offset
[i
] = adm1026_read_value(client
,
647 ADM1026_REG_TEMP_OFFSET
[i
]);
650 /* Read the STATUS/alarm masks */
651 alarms
= adm1026_read_value(client
, ADM1026_REG_MASK4
);
652 gpio
= alarms
& 0x80 ? 0x0100 : 0; /* GPIO16 */
653 alarms
= (alarms
& 0x7f) << 8;
654 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK3
);
656 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK2
);
658 alarms
|= adm1026_read_value(client
, ADM1026_REG_MASK1
);
659 data
->alarm_mask
= alarms
;
661 /* Read the GPIO values */
662 gpio
|= adm1026_read_value(client
,
663 ADM1026_REG_GPIO_MASK_8_15
);
665 gpio
|= adm1026_read_value(client
, ADM1026_REG_GPIO_MASK_0_7
);
666 data
->gpio_mask
= gpio
;
668 /* Read various values from CONFIG1 */
669 data
->config1
= adm1026_read_value(client
,
670 ADM1026_REG_CONFIG1
);
671 if (data
->config1
& CFG1_PWM_AFC
) {
672 data
->pwm1
.enable
= 2;
673 data
->pwm1
.auto_pwm_min
=
674 PWM_MIN_FROM_REG(data
->pwm1
.pwm
);
676 /* Read the GPIO config */
677 data
->config2
= adm1026_read_value(client
,
678 ADM1026_REG_CONFIG2
);
679 data
->config3
= adm1026_read_value(client
,
680 ADM1026_REG_CONFIG3
);
681 data
->gpio_config
[16] = (data
->config3
>> 6) & 0x03;
684 for (i
= 0;i
<= 15;++i
) {
685 if ((i
& 0x03) == 0) {
686 value
= adm1026_read_value(client
,
687 ADM1026_REG_GPIO_CFG_0_3
+ i
/4);
689 data
->gpio_config
[i
] = value
& 0x03;
693 data
->last_config
= jiffies
;
697 mutex_unlock(&data
->update_lock
);
701 static ssize_t
show_in(struct device
*dev
, struct device_attribute
*attr
,
704 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
705 int nr
= sensor_attr
->index
;
706 struct adm1026_data
*data
= adm1026_update_device(dev
);
707 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in
[nr
]));
709 static ssize_t
show_in_min(struct device
*dev
, struct device_attribute
*attr
,
712 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
713 int nr
= sensor_attr
->index
;
714 struct adm1026_data
*data
= adm1026_update_device(dev
);
715 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in_min
[nr
]));
717 static ssize_t
set_in_min(struct device
*dev
, struct device_attribute
*attr
,
718 const char *buf
, size_t count
)
720 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
721 int nr
= sensor_attr
->index
;
722 struct i2c_client
*client
= to_i2c_client(dev
);
723 struct adm1026_data
*data
= i2c_get_clientdata(client
);
724 int val
= simple_strtol(buf
, NULL
, 10);
726 mutex_lock(&data
->update_lock
);
727 data
->in_min
[nr
] = INS_TO_REG(nr
, val
);
728 adm1026_write_value(client
, ADM1026_REG_IN_MIN
[nr
], data
->in_min
[nr
]);
729 mutex_unlock(&data
->update_lock
);
732 static ssize_t
show_in_max(struct device
*dev
, struct device_attribute
*attr
,
735 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
736 int nr
= sensor_attr
->index
;
737 struct adm1026_data
*data
= adm1026_update_device(dev
);
738 return sprintf(buf
, "%d\n", INS_FROM_REG(nr
, data
->in_max
[nr
]));
740 static ssize_t
set_in_max(struct device
*dev
, struct device_attribute
*attr
,
741 const char *buf
, size_t count
)
743 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
744 int nr
= sensor_attr
->index
;
745 struct i2c_client
*client
= to_i2c_client(dev
);
746 struct adm1026_data
*data
= i2c_get_clientdata(client
);
747 int val
= simple_strtol(buf
, NULL
, 10);
749 mutex_lock(&data
->update_lock
);
750 data
->in_max
[nr
] = INS_TO_REG(nr
, val
);
751 adm1026_write_value(client
, ADM1026_REG_IN_MAX
[nr
], data
->in_max
[nr
]);
752 mutex_unlock(&data
->update_lock
);
756 #define in_reg(offset) \
757 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
759 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
760 show_in_min, set_in_min, offset); \
761 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
762 show_in_max, set_in_max, offset);
782 static ssize_t
show_in16(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
784 struct adm1026_data
*data
= adm1026_update_device(dev
);
785 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in
[16]) -
788 static ssize_t
show_in16_min(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
790 struct adm1026_data
*data
= adm1026_update_device(dev
);
791 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in_min
[16])
794 static ssize_t
set_in16_min(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
796 struct i2c_client
*client
= to_i2c_client(dev
);
797 struct adm1026_data
*data
= i2c_get_clientdata(client
);
798 int val
= simple_strtol(buf
, NULL
, 10);
800 mutex_lock(&data
->update_lock
);
801 data
->in_min
[16] = INS_TO_REG(16, val
+ NEG12_OFFSET
);
802 adm1026_write_value(client
, ADM1026_REG_IN_MIN
[16], data
->in_min
[16]);
803 mutex_unlock(&data
->update_lock
);
806 static ssize_t
show_in16_max(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
808 struct adm1026_data
*data
= adm1026_update_device(dev
);
809 return sprintf(buf
, "%d\n", INS_FROM_REG(16, data
->in_max
[16])
812 static ssize_t
set_in16_max(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
814 struct i2c_client
*client
= to_i2c_client(dev
);
815 struct adm1026_data
*data
= i2c_get_clientdata(client
);
816 int val
= simple_strtol(buf
, NULL
, 10);
818 mutex_lock(&data
->update_lock
);
819 data
->in_max
[16] = INS_TO_REG(16, val
+NEG12_OFFSET
);
820 adm1026_write_value(client
, ADM1026_REG_IN_MAX
[16], data
->in_max
[16]);
821 mutex_unlock(&data
->update_lock
);
825 static SENSOR_DEVICE_ATTR(in16_input
, S_IRUGO
, show_in16
, NULL
, 16);
826 static SENSOR_DEVICE_ATTR(in16_min
, S_IRUGO
| S_IWUSR
, show_in16_min
, set_in16_min
, 16);
827 static SENSOR_DEVICE_ATTR(in16_max
, S_IRUGO
| S_IWUSR
, show_in16_max
, set_in16_max
, 16);
832 /* Now add fan read/write functions */
834 static ssize_t
show_fan(struct device
*dev
, struct device_attribute
*attr
,
837 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
838 int nr
= sensor_attr
->index
;
839 struct adm1026_data
*data
= adm1026_update_device(dev
);
840 return sprintf(buf
, "%d\n", FAN_FROM_REG(data
->fan
[nr
],
843 static ssize_t
show_fan_min(struct device
*dev
, struct device_attribute
*attr
,
846 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
847 int nr
= sensor_attr
->index
;
848 struct adm1026_data
*data
= adm1026_update_device(dev
);
849 return sprintf(buf
, "%d\n", FAN_FROM_REG(data
->fan_min
[nr
],
852 static ssize_t
set_fan_min(struct device
*dev
, struct device_attribute
*attr
,
853 const char *buf
, size_t count
)
855 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
856 int nr
= sensor_attr
->index
;
857 struct i2c_client
*client
= to_i2c_client(dev
);
858 struct adm1026_data
*data
= i2c_get_clientdata(client
);
859 int val
= simple_strtol(buf
, NULL
, 10);
861 mutex_lock(&data
->update_lock
);
862 data
->fan_min
[nr
] = FAN_TO_REG(val
, data
->fan_div
[nr
]);
863 adm1026_write_value(client
, ADM1026_REG_FAN_MIN(nr
),
865 mutex_unlock(&data
->update_lock
);
869 #define fan_offset(offset) \
870 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
872 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
873 show_fan_min, set_fan_min, offset - 1);
884 /* Adjust fan_min to account for new fan divisor */
885 static void fixup_fan_min(struct device
*dev
, int fan
, int old_div
)
887 struct i2c_client
*client
= to_i2c_client(dev
);
888 struct adm1026_data
*data
= i2c_get_clientdata(client
);
890 int new_div
= data
->fan_div
[fan
];
892 /* 0 and 0xff are special. Don't adjust them */
893 if (data
->fan_min
[fan
] == 0 || data
->fan_min
[fan
] == 0xff) {
897 new_min
= data
->fan_min
[fan
] * old_div
/ new_div
;
898 new_min
= SENSORS_LIMIT(new_min
, 1, 254);
899 data
->fan_min
[fan
] = new_min
;
900 adm1026_write_value(client
, ADM1026_REG_FAN_MIN(fan
), new_min
);
903 /* Now add fan_div read/write functions */
904 static ssize_t
show_fan_div(struct device
*dev
, struct device_attribute
*attr
,
907 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
908 int nr
= sensor_attr
->index
;
909 struct adm1026_data
*data
= adm1026_update_device(dev
);
910 return sprintf(buf
, "%d\n", data
->fan_div
[nr
]);
912 static ssize_t
set_fan_div(struct device
*dev
, struct device_attribute
*attr
,
913 const char *buf
, size_t count
)
915 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
916 int nr
= sensor_attr
->index
;
917 struct i2c_client
*client
= to_i2c_client(dev
);
918 struct adm1026_data
*data
= i2c_get_clientdata(client
);
919 int val
, orig_div
, new_div
;
921 val
= simple_strtol(buf
, NULL
, 10);
922 new_div
= DIV_TO_REG(val
);
924 mutex_lock(&data
->update_lock
);
925 orig_div
= data
->fan_div
[nr
];
926 data
->fan_div
[nr
] = DIV_FROM_REG(new_div
);
928 if (nr
< 4) { /* 0 <= nr < 4 */
929 adm1026_write_value(client
, ADM1026_REG_FAN_DIV_0_3
,
930 (DIV_TO_REG(data
->fan_div
[0]) << 0) |
931 (DIV_TO_REG(data
->fan_div
[1]) << 2) |
932 (DIV_TO_REG(data
->fan_div
[2]) << 4) |
933 (DIV_TO_REG(data
->fan_div
[3]) << 6));
934 } else { /* 3 < nr < 8 */
935 adm1026_write_value(client
, ADM1026_REG_FAN_DIV_4_7
,
936 (DIV_TO_REG(data
->fan_div
[4]) << 0) |
937 (DIV_TO_REG(data
->fan_div
[5]) << 2) |
938 (DIV_TO_REG(data
->fan_div
[6]) << 4) |
939 (DIV_TO_REG(data
->fan_div
[7]) << 6));
942 if (data
->fan_div
[nr
] != orig_div
) {
943 fixup_fan_min(dev
, nr
, orig_div
);
945 mutex_unlock(&data
->update_lock
);
949 #define fan_offset_div(offset) \
950 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
951 show_fan_div, set_fan_div, offset - 1);
963 static ssize_t
show_temp(struct device
*dev
, struct device_attribute
*attr
,
966 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
967 int nr
= sensor_attr
->index
;
968 struct adm1026_data
*data
= adm1026_update_device(dev
);
969 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp
[nr
]));
971 static ssize_t
show_temp_min(struct device
*dev
, struct device_attribute
*attr
,
974 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
975 int nr
= sensor_attr
->index
;
976 struct adm1026_data
*data
= adm1026_update_device(dev
);
977 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_min
[nr
]));
979 static ssize_t
set_temp_min(struct device
*dev
, struct device_attribute
*attr
,
980 const char *buf
, size_t count
)
982 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
983 int nr
= sensor_attr
->index
;
984 struct i2c_client
*client
= to_i2c_client(dev
);
985 struct adm1026_data
*data
= i2c_get_clientdata(client
);
986 int val
= simple_strtol(buf
, NULL
, 10);
988 mutex_lock(&data
->update_lock
);
989 data
->temp_min
[nr
] = TEMP_TO_REG(val
);
990 adm1026_write_value(client
, ADM1026_REG_TEMP_MIN
[nr
],
992 mutex_unlock(&data
->update_lock
);
995 static ssize_t
show_temp_max(struct device
*dev
, struct device_attribute
*attr
,
998 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
999 int nr
= sensor_attr
->index
;
1000 struct adm1026_data
*data
= adm1026_update_device(dev
);
1001 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_max
[nr
]));
1003 static ssize_t
set_temp_max(struct device
*dev
, struct device_attribute
*attr
,
1004 const char *buf
, size_t count
)
1006 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1007 int nr
= sensor_attr
->index
;
1008 struct i2c_client
*client
= to_i2c_client(dev
);
1009 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1010 int val
= simple_strtol(buf
, NULL
, 10);
1012 mutex_lock(&data
->update_lock
);
1013 data
->temp_max
[nr
] = TEMP_TO_REG(val
);
1014 adm1026_write_value(client
, ADM1026_REG_TEMP_MAX
[nr
],
1015 data
->temp_max
[nr
]);
1016 mutex_unlock(&data
->update_lock
);
1020 #define temp_reg(offset) \
1021 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
1022 NULL, offset - 1); \
1023 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1024 show_temp_min, set_temp_min, offset - 1); \
1025 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1026 show_temp_max, set_temp_max, offset - 1);
1033 static ssize_t
show_temp_offset(struct device
*dev
,
1034 struct device_attribute
*attr
, char *buf
)
1036 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1037 int nr
= sensor_attr
->index
;
1038 struct adm1026_data
*data
= adm1026_update_device(dev
);
1039 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_offset
[nr
]));
1041 static ssize_t
set_temp_offset(struct device
*dev
,
1042 struct device_attribute
*attr
, const char *buf
,
1045 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1046 int nr
= sensor_attr
->index
;
1047 struct i2c_client
*client
= to_i2c_client(dev
);
1048 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1049 int val
= simple_strtol(buf
, NULL
, 10);
1051 mutex_lock(&data
->update_lock
);
1052 data
->temp_offset
[nr
] = TEMP_TO_REG(val
);
1053 adm1026_write_value(client
, ADM1026_REG_TEMP_OFFSET
[nr
],
1054 data
->temp_offset
[nr
]);
1055 mutex_unlock(&data
->update_lock
);
1059 #define temp_offset_reg(offset) \
1060 static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1061 show_temp_offset, set_temp_offset, offset - 1);
1067 static ssize_t
show_temp_auto_point1_temp_hyst(struct device
*dev
,
1068 struct device_attribute
*attr
, char *buf
)
1070 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1071 int nr
= sensor_attr
->index
;
1072 struct adm1026_data
*data
= adm1026_update_device(dev
);
1073 return sprintf(buf
, "%d\n", TEMP_FROM_REG(
1074 ADM1026_FAN_ACTIVATION_TEMP_HYST
+ data
->temp_tmin
[nr
]));
1076 static ssize_t
show_temp_auto_point2_temp(struct device
*dev
,
1077 struct device_attribute
*attr
, char *buf
)
1079 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1080 int nr
= sensor_attr
->index
;
1081 struct adm1026_data
*data
= adm1026_update_device(dev
);
1082 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_tmin
[nr
] +
1083 ADM1026_FAN_CONTROL_TEMP_RANGE
));
1085 static ssize_t
show_temp_auto_point1_temp(struct device
*dev
,
1086 struct device_attribute
*attr
, char *buf
)
1088 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1089 int nr
= sensor_attr
->index
;
1090 struct adm1026_data
*data
= adm1026_update_device(dev
);
1091 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_tmin
[nr
]));
1093 static ssize_t
set_temp_auto_point1_temp(struct device
*dev
,
1094 struct device_attribute
*attr
, const char *buf
, size_t count
)
1096 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1097 int nr
= sensor_attr
->index
;
1098 struct i2c_client
*client
= to_i2c_client(dev
);
1099 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1100 int val
= simple_strtol(buf
, NULL
, 10);
1102 mutex_lock(&data
->update_lock
);
1103 data
->temp_tmin
[nr
] = TEMP_TO_REG(val
);
1104 adm1026_write_value(client
, ADM1026_REG_TEMP_TMIN
[nr
],
1105 data
->temp_tmin
[nr
]);
1106 mutex_unlock(&data
->update_lock
);
1110 #define temp_auto_point(offset) \
1111 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1112 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1113 set_temp_auto_point1_temp, offset - 1); \
1114 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1115 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1116 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
1117 show_temp_auto_point2_temp, NULL, offset - 1);
1123 static ssize_t
show_temp_crit_enable(struct device
*dev
,
1124 struct device_attribute
*attr
, char *buf
)
1126 struct adm1026_data
*data
= adm1026_update_device(dev
);
1127 return sprintf(buf
, "%d\n", (data
->config1
& CFG1_THERM_HOT
) >> 4);
1129 static ssize_t
set_temp_crit_enable(struct device
*dev
,
1130 struct device_attribute
*attr
, const char *buf
, size_t count
)
1132 struct i2c_client
*client
= to_i2c_client(dev
);
1133 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1134 int val
= simple_strtol(buf
, NULL
, 10);
1136 if ((val
== 1) || (val
==0)) {
1137 mutex_lock(&data
->update_lock
);
1138 data
->config1
= (data
->config1
& ~CFG1_THERM_HOT
) | (val
<< 4);
1139 adm1026_write_value(client
, ADM1026_REG_CONFIG1
,
1141 mutex_unlock(&data
->update_lock
);
1146 #define temp_crit_enable(offset) \
1147 static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1148 show_temp_crit_enable, set_temp_crit_enable);
1150 temp_crit_enable(1);
1151 temp_crit_enable(2);
1152 temp_crit_enable(3);
1154 static ssize_t
show_temp_crit(struct device
*dev
,
1155 struct device_attribute
*attr
, char *buf
)
1157 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1158 int nr
= sensor_attr
->index
;
1159 struct adm1026_data
*data
= adm1026_update_device(dev
);
1160 return sprintf(buf
, "%d\n", TEMP_FROM_REG(data
->temp_crit
[nr
]));
1162 static ssize_t
set_temp_crit(struct device
*dev
, struct device_attribute
*attr
,
1163 const char *buf
, size_t count
)
1165 struct sensor_device_attribute
*sensor_attr
= to_sensor_dev_attr(attr
);
1166 int nr
= sensor_attr
->index
;
1167 struct i2c_client
*client
= to_i2c_client(dev
);
1168 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1169 int val
= simple_strtol(buf
, NULL
, 10);
1171 mutex_lock(&data
->update_lock
);
1172 data
->temp_crit
[nr
] = TEMP_TO_REG(val
);
1173 adm1026_write_value(client
, ADM1026_REG_TEMP_THERM
[nr
],
1174 data
->temp_crit
[nr
]);
1175 mutex_unlock(&data
->update_lock
);
1179 #define temp_crit_reg(offset) \
1180 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1181 show_temp_crit, set_temp_crit, offset - 1);
1187 static ssize_t
show_analog_out_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1189 struct adm1026_data
*data
= adm1026_update_device(dev
);
1190 return sprintf(buf
, "%d\n", DAC_FROM_REG(data
->analog_out
));
1192 static ssize_t
set_analog_out_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1195 struct i2c_client
*client
= to_i2c_client(dev
);
1196 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1197 int val
= simple_strtol(buf
, NULL
, 10);
1199 mutex_lock(&data
->update_lock
);
1200 data
->analog_out
= DAC_TO_REG(val
);
1201 adm1026_write_value(client
, ADM1026_REG_DAC
, data
->analog_out
);
1202 mutex_unlock(&data
->update_lock
);
1206 static DEVICE_ATTR(analog_out
, S_IRUGO
| S_IWUSR
, show_analog_out_reg
,
1207 set_analog_out_reg
);
1209 static ssize_t
show_vid_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1211 struct adm1026_data
*data
= adm1026_update_device(dev
);
1212 int vid
= (data
->gpio
>> 11) & 0x1f;
1214 dev_dbg(dev
, "Setting VID from GPIO11-15.\n");
1215 return sprintf(buf
, "%d\n", vid_from_reg(vid
, data
->vrm
));
1217 static DEVICE_ATTR(cpu0_vid
, S_IRUGO
, show_vid_reg
, NULL
);
1219 static ssize_t
show_vrm_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1221 struct adm1026_data
*data
= dev_get_drvdata(dev
);
1222 return sprintf(buf
, "%d\n", data
->vrm
);
1224 static ssize_t
store_vrm_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1227 struct adm1026_data
*data
= dev_get_drvdata(dev
);
1229 data
->vrm
= simple_strtol(buf
, NULL
, 10);
1233 static DEVICE_ATTR(vrm
, S_IRUGO
| S_IWUSR
, show_vrm_reg
, store_vrm_reg
);
1235 static ssize_t
show_alarms_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1237 struct adm1026_data
*data
= adm1026_update_device(dev
);
1238 return sprintf(buf
, "%ld\n", data
->alarms
);
1241 static DEVICE_ATTR(alarms
, S_IRUGO
, show_alarms_reg
, NULL
);
1243 static ssize_t
show_alarm(struct device
*dev
, struct device_attribute
*attr
,
1246 struct adm1026_data
*data
= adm1026_update_device(dev
);
1247 int bitnr
= to_sensor_dev_attr(attr
)->index
;
1248 return sprintf(buf
, "%ld\n", (data
->alarms
>> bitnr
) & 1);
1251 static SENSOR_DEVICE_ATTR(temp2_alarm
, S_IRUGO
, show_alarm
, NULL
, 0);
1252 static SENSOR_DEVICE_ATTR(temp3_alarm
, S_IRUGO
, show_alarm
, NULL
, 1);
1253 static SENSOR_DEVICE_ATTR(in9_alarm
, S_IRUGO
, show_alarm
, NULL
, 1);
1254 static SENSOR_DEVICE_ATTR(in11_alarm
, S_IRUGO
, show_alarm
, NULL
, 2);
1255 static SENSOR_DEVICE_ATTR(in12_alarm
, S_IRUGO
, show_alarm
, NULL
, 3);
1256 static SENSOR_DEVICE_ATTR(in13_alarm
, S_IRUGO
, show_alarm
, NULL
, 4);
1257 static SENSOR_DEVICE_ATTR(in14_alarm
, S_IRUGO
, show_alarm
, NULL
, 5);
1258 static SENSOR_DEVICE_ATTR(in15_alarm
, S_IRUGO
, show_alarm
, NULL
, 6);
1259 static SENSOR_DEVICE_ATTR(in16_alarm
, S_IRUGO
, show_alarm
, NULL
, 7);
1260 static SENSOR_DEVICE_ATTR(in0_alarm
, S_IRUGO
, show_alarm
, NULL
, 8);
1261 static SENSOR_DEVICE_ATTR(in1_alarm
, S_IRUGO
, show_alarm
, NULL
, 9);
1262 static SENSOR_DEVICE_ATTR(in2_alarm
, S_IRUGO
, show_alarm
, NULL
, 10);
1263 static SENSOR_DEVICE_ATTR(in3_alarm
, S_IRUGO
, show_alarm
, NULL
, 11);
1264 static SENSOR_DEVICE_ATTR(in4_alarm
, S_IRUGO
, show_alarm
, NULL
, 12);
1265 static SENSOR_DEVICE_ATTR(in5_alarm
, S_IRUGO
, show_alarm
, NULL
, 13);
1266 static SENSOR_DEVICE_ATTR(in6_alarm
, S_IRUGO
, show_alarm
, NULL
, 14);
1267 static SENSOR_DEVICE_ATTR(in7_alarm
, S_IRUGO
, show_alarm
, NULL
, 15);
1268 static SENSOR_DEVICE_ATTR(fan1_alarm
, S_IRUGO
, show_alarm
, NULL
, 16);
1269 static SENSOR_DEVICE_ATTR(fan2_alarm
, S_IRUGO
, show_alarm
, NULL
, 17);
1270 static SENSOR_DEVICE_ATTR(fan3_alarm
, S_IRUGO
, show_alarm
, NULL
, 18);
1271 static SENSOR_DEVICE_ATTR(fan4_alarm
, S_IRUGO
, show_alarm
, NULL
, 19);
1272 static SENSOR_DEVICE_ATTR(fan5_alarm
, S_IRUGO
, show_alarm
, NULL
, 20);
1273 static SENSOR_DEVICE_ATTR(fan6_alarm
, S_IRUGO
, show_alarm
, NULL
, 21);
1274 static SENSOR_DEVICE_ATTR(fan7_alarm
, S_IRUGO
, show_alarm
, NULL
, 22);
1275 static SENSOR_DEVICE_ATTR(fan8_alarm
, S_IRUGO
, show_alarm
, NULL
, 23);
1276 static SENSOR_DEVICE_ATTR(temp1_alarm
, S_IRUGO
, show_alarm
, NULL
, 24);
1277 static SENSOR_DEVICE_ATTR(in10_alarm
, S_IRUGO
, show_alarm
, NULL
, 25);
1278 static SENSOR_DEVICE_ATTR(in8_alarm
, S_IRUGO
, show_alarm
, NULL
, 26);
1280 static ssize_t
show_alarm_mask(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1282 struct adm1026_data
*data
= adm1026_update_device(dev
);
1283 return sprintf(buf
, "%ld\n", data
->alarm_mask
);
1285 static ssize_t
set_alarm_mask(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1288 struct i2c_client
*client
= to_i2c_client(dev
);
1289 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1290 int val
= simple_strtol(buf
, NULL
, 10);
1293 mutex_lock(&data
->update_lock
);
1294 data
->alarm_mask
= val
& 0x7fffffff;
1295 mask
= data
->alarm_mask
1296 | (data
->gpio_mask
& 0x10000 ? 0x80000000 : 0);
1297 adm1026_write_value(client
, ADM1026_REG_MASK1
,
1300 adm1026_write_value(client
, ADM1026_REG_MASK2
,
1303 adm1026_write_value(client
, ADM1026_REG_MASK3
,
1306 adm1026_write_value(client
, ADM1026_REG_MASK4
,
1308 mutex_unlock(&data
->update_lock
);
1312 static DEVICE_ATTR(alarm_mask
, S_IRUGO
| S_IWUSR
, show_alarm_mask
,
1316 static ssize_t
show_gpio(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1318 struct adm1026_data
*data
= adm1026_update_device(dev
);
1319 return sprintf(buf
, "%ld\n", data
->gpio
);
1321 static ssize_t
set_gpio(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1324 struct i2c_client
*client
= to_i2c_client(dev
);
1325 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1326 int val
= simple_strtol(buf
, NULL
, 10);
1329 mutex_lock(&data
->update_lock
);
1330 data
->gpio
= val
& 0x1ffff;
1332 adm1026_write_value(client
, ADM1026_REG_GPIO_STATUS_0_7
, gpio
& 0xff);
1334 adm1026_write_value(client
, ADM1026_REG_GPIO_STATUS_8_15
, gpio
& 0xff);
1335 gpio
= ((gpio
>> 1) & 0x80) | (data
->alarms
>> 24 & 0x7f);
1336 adm1026_write_value(client
, ADM1026_REG_STATUS4
, gpio
& 0xff);
1337 mutex_unlock(&data
->update_lock
);
1341 static DEVICE_ATTR(gpio
, S_IRUGO
| S_IWUSR
, show_gpio
, set_gpio
);
1344 static ssize_t
show_gpio_mask(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1346 struct adm1026_data
*data
= adm1026_update_device(dev
);
1347 return sprintf(buf
, "%ld\n", data
->gpio_mask
);
1349 static ssize_t
set_gpio_mask(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1352 struct i2c_client
*client
= to_i2c_client(dev
);
1353 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1354 int val
= simple_strtol(buf
, NULL
, 10);
1357 mutex_lock(&data
->update_lock
);
1358 data
->gpio_mask
= val
& 0x1ffff;
1359 mask
= data
->gpio_mask
;
1360 adm1026_write_value(client
, ADM1026_REG_GPIO_MASK_0_7
, mask
& 0xff);
1362 adm1026_write_value(client
, ADM1026_REG_GPIO_MASK_8_15
, mask
& 0xff);
1363 mask
= ((mask
>> 1) & 0x80) | (data
->alarm_mask
>> 24 & 0x7f);
1364 adm1026_write_value(client
, ADM1026_REG_MASK1
, mask
& 0xff);
1365 mutex_unlock(&data
->update_lock
);
1369 static DEVICE_ATTR(gpio_mask
, S_IRUGO
| S_IWUSR
, show_gpio_mask
, set_gpio_mask
);
1371 static ssize_t
show_pwm_reg(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1373 struct adm1026_data
*data
= adm1026_update_device(dev
);
1374 return sprintf(buf
, "%d\n", PWM_FROM_REG(data
->pwm1
.pwm
));
1376 static ssize_t
set_pwm_reg(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1379 struct i2c_client
*client
= to_i2c_client(dev
);
1380 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1382 if (data
->pwm1
.enable
== 1) {
1383 int val
= simple_strtol(buf
, NULL
, 10);
1385 mutex_lock(&data
->update_lock
);
1386 data
->pwm1
.pwm
= PWM_TO_REG(val
);
1387 adm1026_write_value(client
, ADM1026_REG_PWM
, data
->pwm1
.pwm
);
1388 mutex_unlock(&data
->update_lock
);
1392 static ssize_t
show_auto_pwm_min(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1394 struct adm1026_data
*data
= adm1026_update_device(dev
);
1395 return sprintf(buf
, "%d\n", data
->pwm1
.auto_pwm_min
);
1397 static ssize_t
set_auto_pwm_min(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1400 struct i2c_client
*client
= to_i2c_client(dev
);
1401 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1402 int val
= simple_strtol(buf
, NULL
, 10);
1404 mutex_lock(&data
->update_lock
);
1405 data
->pwm1
.auto_pwm_min
= SENSORS_LIMIT(val
, 0, 255);
1406 if (data
->pwm1
.enable
== 2) { /* apply immediately */
1407 data
->pwm1
.pwm
= PWM_TO_REG((data
->pwm1
.pwm
& 0x0f) |
1408 PWM_MIN_TO_REG(data
->pwm1
.auto_pwm_min
));
1409 adm1026_write_value(client
, ADM1026_REG_PWM
, data
->pwm1
.pwm
);
1411 mutex_unlock(&data
->update_lock
);
1414 static ssize_t
show_auto_pwm_max(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1416 return sprintf(buf
, "%d\n", ADM1026_PWM_MAX
);
1418 static ssize_t
show_pwm_enable(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
1420 struct adm1026_data
*data
= adm1026_update_device(dev
);
1421 return sprintf(buf
, "%d\n", data
->pwm1
.enable
);
1423 static ssize_t
set_pwm_enable(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
1426 struct i2c_client
*client
= to_i2c_client(dev
);
1427 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1428 int val
= simple_strtol(buf
, NULL
, 10);
1431 if ((val
>= 0) && (val
< 3)) {
1432 mutex_lock(&data
->update_lock
);
1433 old_enable
= data
->pwm1
.enable
;
1434 data
->pwm1
.enable
= val
;
1435 data
->config1
= (data
->config1
& ~CFG1_PWM_AFC
)
1436 | ((val
== 2) ? CFG1_PWM_AFC
: 0);
1437 adm1026_write_value(client
, ADM1026_REG_CONFIG1
,
1439 if (val
== 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1440 data
->pwm1
.pwm
= PWM_TO_REG((data
->pwm1
.pwm
& 0x0f) |
1441 PWM_MIN_TO_REG(data
->pwm1
.auto_pwm_min
));
1442 adm1026_write_value(client
, ADM1026_REG_PWM
,
1444 } else if (!((old_enable
== 1) && (val
== 1))) {
1445 /* set pwm to safe value */
1446 data
->pwm1
.pwm
= 255;
1447 adm1026_write_value(client
, ADM1026_REG_PWM
,
1450 mutex_unlock(&data
->update_lock
);
1455 /* enable PWM fan control */
1456 static DEVICE_ATTR(pwm1
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1457 static DEVICE_ATTR(pwm2
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1458 static DEVICE_ATTR(pwm3
, S_IRUGO
| S_IWUSR
, show_pwm_reg
, set_pwm_reg
);
1459 static DEVICE_ATTR(pwm1_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1461 static DEVICE_ATTR(pwm2_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1463 static DEVICE_ATTR(pwm3_enable
, S_IRUGO
| S_IWUSR
, show_pwm_enable
,
1465 static DEVICE_ATTR(temp1_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1466 show_auto_pwm_min
, set_auto_pwm_min
);
1467 static DEVICE_ATTR(temp2_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1468 show_auto_pwm_min
, set_auto_pwm_min
);
1469 static DEVICE_ATTR(temp3_auto_point1_pwm
, S_IRUGO
| S_IWUSR
,
1470 show_auto_pwm_min
, set_auto_pwm_min
);
1472 static DEVICE_ATTR(temp1_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1473 static DEVICE_ATTR(temp2_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1474 static DEVICE_ATTR(temp3_auto_point2_pwm
, S_IRUGO
, show_auto_pwm_max
, NULL
);
1476 static struct attribute
*adm1026_attributes
[] = {
1477 &sensor_dev_attr_in0_input
.dev_attr
.attr
,
1478 &sensor_dev_attr_in0_max
.dev_attr
.attr
,
1479 &sensor_dev_attr_in0_min
.dev_attr
.attr
,
1480 &sensor_dev_attr_in0_alarm
.dev_attr
.attr
,
1481 &sensor_dev_attr_in1_input
.dev_attr
.attr
,
1482 &sensor_dev_attr_in1_max
.dev_attr
.attr
,
1483 &sensor_dev_attr_in1_min
.dev_attr
.attr
,
1484 &sensor_dev_attr_in1_alarm
.dev_attr
.attr
,
1485 &sensor_dev_attr_in2_input
.dev_attr
.attr
,
1486 &sensor_dev_attr_in2_max
.dev_attr
.attr
,
1487 &sensor_dev_attr_in2_min
.dev_attr
.attr
,
1488 &sensor_dev_attr_in2_alarm
.dev_attr
.attr
,
1489 &sensor_dev_attr_in3_input
.dev_attr
.attr
,
1490 &sensor_dev_attr_in3_max
.dev_attr
.attr
,
1491 &sensor_dev_attr_in3_min
.dev_attr
.attr
,
1492 &sensor_dev_attr_in3_alarm
.dev_attr
.attr
,
1493 &sensor_dev_attr_in4_input
.dev_attr
.attr
,
1494 &sensor_dev_attr_in4_max
.dev_attr
.attr
,
1495 &sensor_dev_attr_in4_min
.dev_attr
.attr
,
1496 &sensor_dev_attr_in4_alarm
.dev_attr
.attr
,
1497 &sensor_dev_attr_in5_input
.dev_attr
.attr
,
1498 &sensor_dev_attr_in5_max
.dev_attr
.attr
,
1499 &sensor_dev_attr_in5_min
.dev_attr
.attr
,
1500 &sensor_dev_attr_in5_alarm
.dev_attr
.attr
,
1501 &sensor_dev_attr_in6_input
.dev_attr
.attr
,
1502 &sensor_dev_attr_in6_max
.dev_attr
.attr
,
1503 &sensor_dev_attr_in6_min
.dev_attr
.attr
,
1504 &sensor_dev_attr_in6_alarm
.dev_attr
.attr
,
1505 &sensor_dev_attr_in7_input
.dev_attr
.attr
,
1506 &sensor_dev_attr_in7_max
.dev_attr
.attr
,
1507 &sensor_dev_attr_in7_min
.dev_attr
.attr
,
1508 &sensor_dev_attr_in7_alarm
.dev_attr
.attr
,
1509 &sensor_dev_attr_in10_input
.dev_attr
.attr
,
1510 &sensor_dev_attr_in10_max
.dev_attr
.attr
,
1511 &sensor_dev_attr_in10_min
.dev_attr
.attr
,
1512 &sensor_dev_attr_in10_alarm
.dev_attr
.attr
,
1513 &sensor_dev_attr_in11_input
.dev_attr
.attr
,
1514 &sensor_dev_attr_in11_max
.dev_attr
.attr
,
1515 &sensor_dev_attr_in11_min
.dev_attr
.attr
,
1516 &sensor_dev_attr_in11_alarm
.dev_attr
.attr
,
1517 &sensor_dev_attr_in12_input
.dev_attr
.attr
,
1518 &sensor_dev_attr_in12_max
.dev_attr
.attr
,
1519 &sensor_dev_attr_in12_min
.dev_attr
.attr
,
1520 &sensor_dev_attr_in12_alarm
.dev_attr
.attr
,
1521 &sensor_dev_attr_in13_input
.dev_attr
.attr
,
1522 &sensor_dev_attr_in13_max
.dev_attr
.attr
,
1523 &sensor_dev_attr_in13_min
.dev_attr
.attr
,
1524 &sensor_dev_attr_in13_alarm
.dev_attr
.attr
,
1525 &sensor_dev_attr_in14_input
.dev_attr
.attr
,
1526 &sensor_dev_attr_in14_max
.dev_attr
.attr
,
1527 &sensor_dev_attr_in14_min
.dev_attr
.attr
,
1528 &sensor_dev_attr_in14_alarm
.dev_attr
.attr
,
1529 &sensor_dev_attr_in15_input
.dev_attr
.attr
,
1530 &sensor_dev_attr_in15_max
.dev_attr
.attr
,
1531 &sensor_dev_attr_in15_min
.dev_attr
.attr
,
1532 &sensor_dev_attr_in15_alarm
.dev_attr
.attr
,
1533 &sensor_dev_attr_in16_input
.dev_attr
.attr
,
1534 &sensor_dev_attr_in16_max
.dev_attr
.attr
,
1535 &sensor_dev_attr_in16_min
.dev_attr
.attr
,
1536 &sensor_dev_attr_in16_alarm
.dev_attr
.attr
,
1537 &sensor_dev_attr_fan1_input
.dev_attr
.attr
,
1538 &sensor_dev_attr_fan1_div
.dev_attr
.attr
,
1539 &sensor_dev_attr_fan1_min
.dev_attr
.attr
,
1540 &sensor_dev_attr_fan1_alarm
.dev_attr
.attr
,
1541 &sensor_dev_attr_fan2_input
.dev_attr
.attr
,
1542 &sensor_dev_attr_fan2_div
.dev_attr
.attr
,
1543 &sensor_dev_attr_fan2_min
.dev_attr
.attr
,
1544 &sensor_dev_attr_fan2_alarm
.dev_attr
.attr
,
1545 &sensor_dev_attr_fan3_input
.dev_attr
.attr
,
1546 &sensor_dev_attr_fan3_div
.dev_attr
.attr
,
1547 &sensor_dev_attr_fan3_min
.dev_attr
.attr
,
1548 &sensor_dev_attr_fan3_alarm
.dev_attr
.attr
,
1549 &sensor_dev_attr_fan4_input
.dev_attr
.attr
,
1550 &sensor_dev_attr_fan4_div
.dev_attr
.attr
,
1551 &sensor_dev_attr_fan4_min
.dev_attr
.attr
,
1552 &sensor_dev_attr_fan4_alarm
.dev_attr
.attr
,
1553 &sensor_dev_attr_fan5_input
.dev_attr
.attr
,
1554 &sensor_dev_attr_fan5_div
.dev_attr
.attr
,
1555 &sensor_dev_attr_fan5_min
.dev_attr
.attr
,
1556 &sensor_dev_attr_fan5_alarm
.dev_attr
.attr
,
1557 &sensor_dev_attr_fan6_input
.dev_attr
.attr
,
1558 &sensor_dev_attr_fan6_div
.dev_attr
.attr
,
1559 &sensor_dev_attr_fan6_min
.dev_attr
.attr
,
1560 &sensor_dev_attr_fan6_alarm
.dev_attr
.attr
,
1561 &sensor_dev_attr_fan7_input
.dev_attr
.attr
,
1562 &sensor_dev_attr_fan7_div
.dev_attr
.attr
,
1563 &sensor_dev_attr_fan7_min
.dev_attr
.attr
,
1564 &sensor_dev_attr_fan7_alarm
.dev_attr
.attr
,
1565 &sensor_dev_attr_fan8_input
.dev_attr
.attr
,
1566 &sensor_dev_attr_fan8_div
.dev_attr
.attr
,
1567 &sensor_dev_attr_fan8_min
.dev_attr
.attr
,
1568 &sensor_dev_attr_fan8_alarm
.dev_attr
.attr
,
1569 &sensor_dev_attr_temp1_input
.dev_attr
.attr
,
1570 &sensor_dev_attr_temp1_max
.dev_attr
.attr
,
1571 &sensor_dev_attr_temp1_min
.dev_attr
.attr
,
1572 &sensor_dev_attr_temp1_alarm
.dev_attr
.attr
,
1573 &sensor_dev_attr_temp2_input
.dev_attr
.attr
,
1574 &sensor_dev_attr_temp2_max
.dev_attr
.attr
,
1575 &sensor_dev_attr_temp2_min
.dev_attr
.attr
,
1576 &sensor_dev_attr_temp2_alarm
.dev_attr
.attr
,
1577 &sensor_dev_attr_temp1_offset
.dev_attr
.attr
,
1578 &sensor_dev_attr_temp2_offset
.dev_attr
.attr
,
1579 &sensor_dev_attr_temp1_auto_point1_temp
.dev_attr
.attr
,
1580 &sensor_dev_attr_temp2_auto_point1_temp
.dev_attr
.attr
,
1581 &sensor_dev_attr_temp1_auto_point1_temp_hyst
.dev_attr
.attr
,
1582 &sensor_dev_attr_temp2_auto_point1_temp_hyst
.dev_attr
.attr
,
1583 &sensor_dev_attr_temp1_auto_point2_temp
.dev_attr
.attr
,
1584 &sensor_dev_attr_temp2_auto_point2_temp
.dev_attr
.attr
,
1585 &sensor_dev_attr_temp1_crit
.dev_attr
.attr
,
1586 &sensor_dev_attr_temp2_crit
.dev_attr
.attr
,
1587 &dev_attr_temp1_crit_enable
.attr
,
1588 &dev_attr_temp2_crit_enable
.attr
,
1589 &dev_attr_cpu0_vid
.attr
,
1591 &dev_attr_alarms
.attr
,
1592 &dev_attr_alarm_mask
.attr
,
1593 &dev_attr_gpio
.attr
,
1594 &dev_attr_gpio_mask
.attr
,
1595 &dev_attr_pwm1
.attr
,
1596 &dev_attr_pwm2
.attr
,
1597 &dev_attr_pwm3
.attr
,
1598 &dev_attr_pwm1_enable
.attr
,
1599 &dev_attr_pwm2_enable
.attr
,
1600 &dev_attr_pwm3_enable
.attr
,
1601 &dev_attr_temp1_auto_point1_pwm
.attr
,
1602 &dev_attr_temp2_auto_point1_pwm
.attr
,
1603 &dev_attr_temp1_auto_point2_pwm
.attr
,
1604 &dev_attr_temp2_auto_point2_pwm
.attr
,
1605 &dev_attr_analog_out
.attr
,
1609 static const struct attribute_group adm1026_group
= {
1610 .attrs
= adm1026_attributes
,
1613 static struct attribute
*adm1026_attributes_temp3
[] = {
1614 &sensor_dev_attr_temp3_input
.dev_attr
.attr
,
1615 &sensor_dev_attr_temp3_max
.dev_attr
.attr
,
1616 &sensor_dev_attr_temp3_min
.dev_attr
.attr
,
1617 &sensor_dev_attr_temp3_alarm
.dev_attr
.attr
,
1618 &sensor_dev_attr_temp3_offset
.dev_attr
.attr
,
1619 &sensor_dev_attr_temp3_auto_point1_temp
.dev_attr
.attr
,
1620 &sensor_dev_attr_temp3_auto_point1_temp_hyst
.dev_attr
.attr
,
1621 &sensor_dev_attr_temp3_auto_point2_temp
.dev_attr
.attr
,
1622 &sensor_dev_attr_temp3_crit
.dev_attr
.attr
,
1623 &dev_attr_temp3_crit_enable
.attr
,
1624 &dev_attr_temp3_auto_point1_pwm
.attr
,
1625 &dev_attr_temp3_auto_point2_pwm
.attr
,
1629 static const struct attribute_group adm1026_group_temp3
= {
1630 .attrs
= adm1026_attributes_temp3
,
1633 static struct attribute
*adm1026_attributes_in8_9
[] = {
1634 &sensor_dev_attr_in8_input
.dev_attr
.attr
,
1635 &sensor_dev_attr_in8_max
.dev_attr
.attr
,
1636 &sensor_dev_attr_in8_min
.dev_attr
.attr
,
1637 &sensor_dev_attr_in8_alarm
.dev_attr
.attr
,
1638 &sensor_dev_attr_in9_input
.dev_attr
.attr
,
1639 &sensor_dev_attr_in9_max
.dev_attr
.attr
,
1640 &sensor_dev_attr_in9_min
.dev_attr
.attr
,
1641 &sensor_dev_attr_in9_alarm
.dev_attr
.attr
,
1645 static const struct attribute_group adm1026_group_in8_9
= {
1646 .attrs
= adm1026_attributes_in8_9
,
1649 /* Return 0 if detection is successful, -ENODEV otherwise */
1650 static int adm1026_detect(struct i2c_client
*client
,
1651 struct i2c_board_info
*info
)
1653 struct i2c_adapter
*adapter
= client
->adapter
;
1654 int address
= client
->addr
;
1655 int company
, verstep
;
1657 if (!i2c_check_functionality(adapter
, I2C_FUNC_SMBUS_BYTE_DATA
)) {
1658 /* We need to be able to do byte I/O */
1662 /* Now, we do the remaining detection. */
1664 company
= adm1026_read_value(client
, ADM1026_REG_COMPANY
);
1665 verstep
= adm1026_read_value(client
, ADM1026_REG_VERSTEP
);
1667 dev_dbg(&adapter
->dev
, "Detecting device at %d,0x%02x with"
1668 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1669 i2c_adapter_id(client
->adapter
), client
->addr
,
1672 /* Determine the chip type. */
1673 dev_dbg(&adapter
->dev
, "Autodetecting device at %d,0x%02x...\n",
1674 i2c_adapter_id(adapter
), address
);
1675 if (company
== ADM1026_COMPANY_ANALOG_DEV
1676 && verstep
== ADM1026_VERSTEP_ADM1026
) {
1677 /* Analog Devices ADM1026 */
1678 } else if (company
== ADM1026_COMPANY_ANALOG_DEV
1679 && (verstep
& 0xf0) == ADM1026_VERSTEP_GENERIC
) {
1680 dev_err(&adapter
->dev
, "Unrecognized stepping "
1681 "0x%02x. Defaulting to ADM1026.\n", verstep
);
1682 } else if ((verstep
& 0xf0) == ADM1026_VERSTEP_GENERIC
) {
1683 dev_err(&adapter
->dev
, "Found version/stepping "
1684 "0x%02x. Assuming generic ADM1026.\n",
1687 dev_dbg(&adapter
->dev
, "Autodetection failed\n");
1688 /* Not an ADM1026... */
1692 strlcpy(info
->type
, "adm1026", I2C_NAME_SIZE
);
1697 static int adm1026_probe(struct i2c_client
*client
,
1698 const struct i2c_device_id
*id
)
1700 struct adm1026_data
*data
;
1703 data
= kzalloc(sizeof(struct adm1026_data
), GFP_KERNEL
);
1709 i2c_set_clientdata(client
, data
);
1710 mutex_init(&data
->update_lock
);
1712 /* Set the VRM version */
1713 data
->vrm
= vid_which_vrm();
1715 /* Initialize the ADM1026 chip */
1716 adm1026_init_client(client
);
1718 /* Register sysfs hooks */
1719 if ((err
= sysfs_create_group(&client
->dev
.kobj
, &adm1026_group
)))
1721 if (data
->config1
& CFG1_AIN8_9
)
1722 err
= sysfs_create_group(&client
->dev
.kobj
,
1723 &adm1026_group_in8_9
);
1725 err
= sysfs_create_group(&client
->dev
.kobj
,
1726 &adm1026_group_temp3
);
1730 data
->hwmon_dev
= hwmon_device_register(&client
->dev
);
1731 if (IS_ERR(data
->hwmon_dev
)) {
1732 err
= PTR_ERR(data
->hwmon_dev
);
1738 /* Error out and cleanup code */
1740 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group
);
1741 if (data
->config1
& CFG1_AIN8_9
)
1742 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_in8_9
);
1744 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_temp3
);
1751 static int adm1026_remove(struct i2c_client
*client
)
1753 struct adm1026_data
*data
= i2c_get_clientdata(client
);
1754 hwmon_device_unregister(data
->hwmon_dev
);
1755 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group
);
1756 if (data
->config1
& CFG1_AIN8_9
)
1757 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_in8_9
);
1759 sysfs_remove_group(&client
->dev
.kobj
, &adm1026_group_temp3
);
1764 static int __init
sm_adm1026_init(void)
1766 return i2c_add_driver(&adm1026_driver
);
1769 static void __exit
sm_adm1026_exit(void)
1771 i2c_del_driver(&adm1026_driver
);
1774 MODULE_LICENSE("GPL");
1775 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1776 "Justin Thiessen <jthiessen@penguincomputing.com>");
1777 MODULE_DESCRIPTION("ADM1026 driver");
1779 module_init(sm_adm1026_init
);
1780 module_exit(sm_adm1026_exit
);