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 device *hwmon_dev;
264 struct mutex update_lock;
265 int valid; /* !=0 if following fields are valid */
266 unsigned long last_reading; /* In jiffies */
267 unsigned long last_config; /* In jiffies */
269 u8 in[17]; /* Register value */
270 u8 in_max[17]; /* Register value */
271 u8 in_min[17]; /* Register value */
272 s8 temp[3]; /* Register value */
273 s8 temp_min[3]; /* Register value */
274 s8 temp_max[3]; /* Register value */
275 s8 temp_tmin[3]; /* Register value */
276 s8 temp_crit[3]; /* Register value */
277 s8 temp_offset[3]; /* Register value */
278 u8 fan[8]; /* Register value */
279 u8 fan_min[8]; /* Register value */
280 u8 fan_div[8]; /* Decoded value */
281 struct pwm_data pwm1; /* Pwm control values */
282 int vid; /* Decoded value */
283 u8 vrm; /* VRM version */
284 u8 analog_out; /* Register value (DAC) */
285 long alarms; /* Register encoding, combined */
286 long alarm_mask; /* Register encoding, combined */
287 long gpio; /* Register encoding, combined */
288 long gpio_mask; /* Register encoding, combined */
289 u8 gpio_config[17]; /* Decoded value */
290 u8 config1; /* Register value */
291 u8 config2; /* Register value */
292 u8 config3; /* Register value */
295 static int adm1026_probe(struct i2c_client *client,
296 const struct i2c_device_id *id);
297 static int adm1026_detect(struct i2c_client *client, int kind,
298 struct i2c_board_info *info);
299 static int adm1026_remove(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 const struct i2c_device_id adm1026_id[] = {
309 { "adm1026", adm1026 },
312 MODULE_DEVICE_TABLE(i2c, adm1026_id);
314 static struct i2c_driver adm1026_driver = {
315 .class = I2C_CLASS_HWMON,
319 .probe = adm1026_probe,
320 .remove = adm1026_remove,
321 .id_table = adm1026_id,
322 .detect = adm1026_detect,
323 .address_data = &addr_data,
326 static int adm1026_read_value(struct i2c_client *client, u8 reg)
331 /* "RAM" locations */
332 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
334 /* EEPROM, do nothing */
340 static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
345 /* "RAM" locations */
346 res = i2c_smbus_write_byte_data(client, reg, value);
348 /* EEPROM, do nothing */
354 static void adm1026_init_client(struct i2c_client *client)
357 struct adm1026_data *data = i2c_get_clientdata(client);
359 dev_dbg(&client->dev, "Initializing device\n");
360 /* Read chip config */
361 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
362 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
363 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
365 /* Inform user of chip config */
366 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
368 if ((data->config1 & CFG1_MONITOR) == 0) {
369 dev_dbg(&client->dev, "Monitoring not currently "
372 if (data->config1 & CFG1_INT_ENABLE) {
373 dev_dbg(&client->dev, "SMBALERT interrupts are "
376 if (data->config1 & CFG1_AIN8_9) {
377 dev_dbg(&client->dev, "in8 and in9 enabled. "
378 "temp3 disabled.\n");
380 dev_dbg(&client->dev, "temp3 enabled. in8 and "
383 if (data->config1 & CFG1_THERM_HOT) {
384 dev_dbg(&client->dev, "Automatic THERM, PWM, "
385 "and temp limits enabled.\n");
388 if (data->config3 & CFG3_GPIO16_ENABLE) {
389 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
392 dev_dbg(&client->dev, "THERM pin enabled. "
393 "GPIO16 disabled.\n");
395 if (data->config3 & CFG3_VREF_250) {
396 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
398 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
400 /* Read and pick apart the existing GPIO configuration */
402 for (i = 0;i <= 15;++i) {
403 if ((i & 0x03) == 0) {
404 value = adm1026_read_value(client,
405 ADM1026_REG_GPIO_CFG_0_3 + i/4);
407 data->gpio_config[i] = value & 0x03;
410 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
412 /* ... and then print it */
413 adm1026_print_gpio(client);
415 /* If the user asks us to reprogram the GPIO config, then
418 if (gpio_input[0] != -1 || gpio_output[0] != -1
419 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
420 || gpio_fan[0] != -1) {
421 adm1026_fixup_gpio(client);
424 /* WE INTENTIONALLY make no changes to the limits,
425 * offsets, pwms, fans and zones. If they were
426 * configured, we don't want to mess with them.
427 * If they weren't, the default is 100% PWM, no
428 * control and will suffice until 'sensors -s'
429 * can be run by the user. We DO set the default
430 * value for pwm1.auto_pwm_min to its maximum
431 * so that enabling automatic pwm fan control
432 * without first setting a value for pwm1.auto_pwm_min
433 * will not result in potentially dangerous fan speed decrease.
435 data->pwm1.auto_pwm_min=255;
436 /* Start monitoring */
437 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
438 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
439 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
440 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
441 data->config1 = value;
442 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
444 /* initialize fan_div[] to hardware defaults */
445 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
446 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
447 for (i = 0;i <= 7;++i) {
448 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
453 static void adm1026_print_gpio(struct i2c_client *client)
455 struct adm1026_data *data = i2c_get_clientdata(client);
458 dev_dbg(&client->dev, "GPIO config is:");
459 for (i = 0;i <= 7;++i) {
460 if (data->config2 & (1 << i)) {
461 dev_dbg(&client->dev, "\t%sGP%s%d\n",
462 data->gpio_config[i] & 0x02 ? "" : "!",
463 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
466 dev_dbg(&client->dev, "\tFAN%d\n", i);
469 for (i = 8;i <= 15;++i) {
470 dev_dbg(&client->dev, "\t%sGP%s%d\n",
471 data->gpio_config[i] & 0x02 ? "" : "!",
472 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
475 if (data->config3 & CFG3_GPIO16_ENABLE) {
476 dev_dbg(&client->dev, "\t%sGP%s16\n",
477 data->gpio_config[16] & 0x02 ? "" : "!",
478 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
480 /* GPIO16 is THERM */
481 dev_dbg(&client->dev, "\tTHERM\n");
485 static void adm1026_fixup_gpio(struct i2c_client *client)
487 struct adm1026_data *data = i2c_get_clientdata(client);
491 /* Make the changes requested. */
492 /* We may need to unlock/stop monitoring or soft-reset the
493 * chip before we can make changes. This hasn't been
498 for (i = 0;i <= 16;++i) {
499 if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
500 data->gpio_config[gpio_output[i]] |= 0x01;
502 /* if GPIO0-7 is output, it isn't a FAN tach */
503 if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
504 data->config2 |= 1 << gpio_output[i];
508 /* Input overrides output */
509 for (i = 0;i <= 16;++i) {
510 if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
511 data->gpio_config[gpio_input[i]] &= ~ 0x01;
513 /* if GPIO0-7 is input, it isn't a FAN tach */
514 if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
515 data->config2 |= 1 << gpio_input[i];
520 for (i = 0;i <= 16;++i) {
521 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
522 data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
526 /* Normal overrides inverted */
527 for (i = 0;i <= 16;++i) {
528 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
529 data->gpio_config[gpio_normal[i]] |= 0x02;
533 /* Fan overrides input and output */
534 for (i = 0;i <= 7;++i) {
535 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
536 data->config2 &= ~(1 << gpio_fan[i]);
540 /* Write new configs to registers */
541 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
542 data->config3 = (data->config3 & 0x3f)
543 | ((data->gpio_config[16] & 0x03) << 6);
544 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
545 for (i = 15, value = 0;i >= 0;--i) {
547 value |= data->gpio_config[i] & 0x03;
548 if ((i & 0x03) == 0) {
549 adm1026_write_value(client,
550 ADM1026_REG_GPIO_CFG_0_3 + i/4,
556 /* Print the new config */
557 adm1026_print_gpio(client);
561 static struct adm1026_data *adm1026_update_device(struct device *dev)
563 struct i2c_client *client = to_i2c_client(dev);
564 struct adm1026_data *data = i2c_get_clientdata(client);
566 long value, alarms, gpio;
568 mutex_lock(&data->update_lock);
570 || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
571 /* Things that change quickly */
572 dev_dbg(&client->dev, "Reading sensor values\n");
573 for (i = 0;i <= 16;++i) {
575 adm1026_read_value(client, ADM1026_REG_IN[i]);
578 for (i = 0;i <= 7;++i) {
580 adm1026_read_value(client, ADM1026_REG_FAN(i));
583 for (i = 0;i <= 2;++i) {
584 /* NOTE: temp[] is s8 and we assume 2's complement
585 * "conversion" in the assignment */
587 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
590 data->pwm1.pwm = adm1026_read_value(client,
592 data->analog_out = adm1026_read_value(client,
594 /* GPIO16 is MSbit of alarms, move it to gpio */
595 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
596 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
599 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
601 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
603 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
604 data->alarms = alarms;
606 /* Read the GPIO values */
607 gpio |= adm1026_read_value(client,
608 ADM1026_REG_GPIO_STATUS_8_15);
610 gpio |= adm1026_read_value(client,
611 ADM1026_REG_GPIO_STATUS_0_7);
614 data->last_reading = jiffies;
615 }; /* last_reading */
618 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
619 /* Things that don't change often */
620 dev_dbg(&client->dev, "Reading config values\n");
621 for (i = 0;i <= 16;++i) {
622 data->in_min[i] = adm1026_read_value(client,
623 ADM1026_REG_IN_MIN[i]);
624 data->in_max[i] = adm1026_read_value(client,
625 ADM1026_REG_IN_MAX[i]);
628 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
629 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
631 for (i = 0;i <= 7;++i) {
632 data->fan_min[i] = adm1026_read_value(client,
633 ADM1026_REG_FAN_MIN(i));
634 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
638 for (i = 0; i <= 2; ++i) {
639 /* NOTE: temp_xxx[] are s8 and we assume 2's
640 * complement "conversion" in the assignment
642 data->temp_min[i] = adm1026_read_value(client,
643 ADM1026_REG_TEMP_MIN[i]);
644 data->temp_max[i] = adm1026_read_value(client,
645 ADM1026_REG_TEMP_MAX[i]);
646 data->temp_tmin[i] = adm1026_read_value(client,
647 ADM1026_REG_TEMP_TMIN[i]);
648 data->temp_crit[i] = adm1026_read_value(client,
649 ADM1026_REG_TEMP_THERM[i]);
650 data->temp_offset[i] = adm1026_read_value(client,
651 ADM1026_REG_TEMP_OFFSET[i]);
654 /* Read the STATUS/alarm masks */
655 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
656 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
657 alarms = (alarms & 0x7f) << 8;
658 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
660 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
662 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
663 data->alarm_mask = alarms;
665 /* Read the GPIO values */
666 gpio |= adm1026_read_value(client,
667 ADM1026_REG_GPIO_MASK_8_15);
669 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
670 data->gpio_mask = gpio;
672 /* Read various values from CONFIG1 */
673 data->config1 = adm1026_read_value(client,
674 ADM1026_REG_CONFIG1);
675 if (data->config1 & CFG1_PWM_AFC) {
676 data->pwm1.enable = 2;
677 data->pwm1.auto_pwm_min =
678 PWM_MIN_FROM_REG(data->pwm1.pwm);
680 /* Read the GPIO config */
681 data->config2 = adm1026_read_value(client,
682 ADM1026_REG_CONFIG2);
683 data->config3 = adm1026_read_value(client,
684 ADM1026_REG_CONFIG3);
685 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
688 for (i = 0;i <= 15;++i) {
689 if ((i & 0x03) == 0) {
690 value = adm1026_read_value(client,
691 ADM1026_REG_GPIO_CFG_0_3 + i/4);
693 data->gpio_config[i] = value & 0x03;
697 data->last_config = jiffies;
700 dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
701 data->vid = (data->gpio >> 11) & 0x1f;
703 mutex_unlock(&data->update_lock);
707 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
710 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
711 int nr = sensor_attr->index;
712 struct adm1026_data *data = adm1026_update_device(dev);
713 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
715 static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
718 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
719 int nr = sensor_attr->index;
720 struct adm1026_data *data = adm1026_update_device(dev);
721 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
723 static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
724 const char *buf, size_t count)
726 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
727 int nr = sensor_attr->index;
728 struct i2c_client *client = to_i2c_client(dev);
729 struct adm1026_data *data = i2c_get_clientdata(client);
730 int val = simple_strtol(buf, NULL, 10);
732 mutex_lock(&data->update_lock);
733 data->in_min[nr] = INS_TO_REG(nr, val);
734 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
735 mutex_unlock(&data->update_lock);
738 static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
741 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
742 int nr = sensor_attr->index;
743 struct adm1026_data *data = adm1026_update_device(dev);
744 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
746 static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
747 const char *buf, size_t count)
749 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
750 int nr = sensor_attr->index;
751 struct i2c_client *client = to_i2c_client(dev);
752 struct adm1026_data *data = i2c_get_clientdata(client);
753 int val = simple_strtol(buf, NULL, 10);
755 mutex_lock(&data->update_lock);
756 data->in_max[nr] = INS_TO_REG(nr, val);
757 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
758 mutex_unlock(&data->update_lock);
762 #define in_reg(offset) \
763 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
765 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
766 show_in_min, set_in_min, offset); \
767 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
768 show_in_max, set_in_max, offset);
788 static ssize_t show_in16(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[16]) -
794 static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
796 struct adm1026_data *data = adm1026_update_device(dev);
797 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
800 static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
802 struct i2c_client *client = to_i2c_client(dev);
803 struct adm1026_data *data = i2c_get_clientdata(client);
804 int val = simple_strtol(buf, NULL, 10);
806 mutex_lock(&data->update_lock);
807 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
808 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
809 mutex_unlock(&data->update_lock);
812 static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
814 struct adm1026_data *data = adm1026_update_device(dev);
815 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
818 static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
820 struct i2c_client *client = to_i2c_client(dev);
821 struct adm1026_data *data = i2c_get_clientdata(client);
822 int val = simple_strtol(buf, NULL, 10);
824 mutex_lock(&data->update_lock);
825 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
826 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
827 mutex_unlock(&data->update_lock);
831 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
832 static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
833 static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
838 /* Now add fan read/write functions */
840 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
843 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
844 int nr = sensor_attr->index;
845 struct adm1026_data *data = adm1026_update_device(dev);
846 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
849 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
852 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
853 int nr = sensor_attr->index;
854 struct adm1026_data *data = adm1026_update_device(dev);
855 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
858 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
859 const char *buf, size_t count)
861 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
862 int nr = sensor_attr->index;
863 struct i2c_client *client = to_i2c_client(dev);
864 struct adm1026_data *data = i2c_get_clientdata(client);
865 int val = simple_strtol(buf, NULL, 10);
867 mutex_lock(&data->update_lock);
868 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
869 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
871 mutex_unlock(&data->update_lock);
875 #define fan_offset(offset) \
876 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
878 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
879 show_fan_min, set_fan_min, offset - 1);
890 /* Adjust fan_min to account for new fan divisor */
891 static void fixup_fan_min(struct device *dev, int fan, int old_div)
893 struct i2c_client *client = to_i2c_client(dev);
894 struct adm1026_data *data = i2c_get_clientdata(client);
896 int new_div = data->fan_div[fan];
898 /* 0 and 0xff are special. Don't adjust them */
899 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
903 new_min = data->fan_min[fan] * old_div / new_div;
904 new_min = SENSORS_LIMIT(new_min, 1, 254);
905 data->fan_min[fan] = new_min;
906 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
909 /* Now add fan_div read/write functions */
910 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
913 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
914 int nr = sensor_attr->index;
915 struct adm1026_data *data = adm1026_update_device(dev);
916 return sprintf(buf, "%d\n", data->fan_div[nr]);
918 static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
919 const char *buf, size_t count)
921 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
922 int nr = sensor_attr->index;
923 struct i2c_client *client = to_i2c_client(dev);
924 struct adm1026_data *data = i2c_get_clientdata(client);
925 int val, orig_div, new_div, shift;
927 val = simple_strtol(buf, NULL, 10);
928 new_div = DIV_TO_REG(val);
932 mutex_lock(&data->update_lock);
933 orig_div = data->fan_div[nr];
934 data->fan_div[nr] = DIV_FROM_REG(new_div);
936 if (nr < 4) { /* 0 <= nr < 4 */
938 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
939 ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
940 (new_div << shift)));
941 } else { /* 3 < nr < 8 */
942 shift = 2 * (nr - 4);
943 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
944 ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
945 (new_div << shift)));
948 if (data->fan_div[nr] != orig_div) {
949 fixup_fan_min(dev, nr, orig_div);
951 mutex_unlock(&data->update_lock);
955 #define fan_offset_div(offset) \
956 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
957 show_fan_div, set_fan_div, offset - 1);
969 static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
972 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
973 int nr = sensor_attr->index;
974 struct adm1026_data *data = adm1026_update_device(dev);
975 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
977 static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
980 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
981 int nr = sensor_attr->index;
982 struct adm1026_data *data = adm1026_update_device(dev);
983 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
985 static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
986 const char *buf, size_t count)
988 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
989 int nr = sensor_attr->index;
990 struct i2c_client *client = to_i2c_client(dev);
991 struct adm1026_data *data = i2c_get_clientdata(client);
992 int val = simple_strtol(buf, NULL, 10);
994 mutex_lock(&data->update_lock);
995 data->temp_min[nr] = TEMP_TO_REG(val);
996 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
998 mutex_unlock(&data->update_lock);
1001 static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1004 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1005 int nr = sensor_attr->index;
1006 struct adm1026_data *data = adm1026_update_device(dev);
1007 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1009 static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1010 const char *buf, size_t count)
1012 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1013 int nr = sensor_attr->index;
1014 struct i2c_client *client = to_i2c_client(dev);
1015 struct adm1026_data *data = i2c_get_clientdata(client);
1016 int val = simple_strtol(buf, NULL, 10);
1018 mutex_lock(&data->update_lock);
1019 data->temp_max[nr] = TEMP_TO_REG(val);
1020 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1021 data->temp_max[nr]);
1022 mutex_unlock(&data->update_lock);
1026 #define temp_reg(offset) \
1027 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
1028 NULL, offset - 1); \
1029 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1030 show_temp_min, set_temp_min, offset - 1); \
1031 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1032 show_temp_max, set_temp_max, offset - 1);
1039 static ssize_t show_temp_offset(struct device *dev,
1040 struct device_attribute *attr, char *buf)
1042 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1043 int nr = sensor_attr->index;
1044 struct adm1026_data *data = adm1026_update_device(dev);
1045 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1047 static ssize_t set_temp_offset(struct device *dev,
1048 struct device_attribute *attr, const char *buf,
1051 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1052 int nr = sensor_attr->index;
1053 struct i2c_client *client = to_i2c_client(dev);
1054 struct adm1026_data *data = i2c_get_clientdata(client);
1055 int val = simple_strtol(buf, NULL, 10);
1057 mutex_lock(&data->update_lock);
1058 data->temp_offset[nr] = TEMP_TO_REG(val);
1059 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1060 data->temp_offset[nr]);
1061 mutex_unlock(&data->update_lock);
1065 #define temp_offset_reg(offset) \
1066 static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1067 show_temp_offset, set_temp_offset, offset - 1);
1073 static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1074 struct device_attribute *attr, char *buf)
1076 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1077 int nr = sensor_attr->index;
1078 struct adm1026_data *data = adm1026_update_device(dev);
1079 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1080 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1082 static ssize_t show_temp_auto_point2_temp(struct device *dev,
1083 struct device_attribute *attr, char *buf)
1085 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1086 int nr = sensor_attr->index;
1087 struct adm1026_data *data = adm1026_update_device(dev);
1088 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1089 ADM1026_FAN_CONTROL_TEMP_RANGE));
1091 static ssize_t show_temp_auto_point1_temp(struct device *dev,
1092 struct device_attribute *attr, char *buf)
1094 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1095 int nr = sensor_attr->index;
1096 struct adm1026_data *data = adm1026_update_device(dev);
1097 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1099 static ssize_t set_temp_auto_point1_temp(struct device *dev,
1100 struct device_attribute *attr, const char *buf, size_t count)
1102 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1103 int nr = sensor_attr->index;
1104 struct i2c_client *client = to_i2c_client(dev);
1105 struct adm1026_data *data = i2c_get_clientdata(client);
1106 int val = simple_strtol(buf, NULL, 10);
1108 mutex_lock(&data->update_lock);
1109 data->temp_tmin[nr] = TEMP_TO_REG(val);
1110 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1111 data->temp_tmin[nr]);
1112 mutex_unlock(&data->update_lock);
1116 #define temp_auto_point(offset) \
1117 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1118 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1119 set_temp_auto_point1_temp, offset - 1); \
1120 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1121 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1122 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
1123 show_temp_auto_point2_temp, NULL, offset - 1);
1129 static ssize_t show_temp_crit_enable(struct device *dev,
1130 struct device_attribute *attr, char *buf)
1132 struct adm1026_data *data = adm1026_update_device(dev);
1133 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1135 static ssize_t set_temp_crit_enable(struct device *dev,
1136 struct device_attribute *attr, const char *buf, size_t count)
1138 struct i2c_client *client = to_i2c_client(dev);
1139 struct adm1026_data *data = i2c_get_clientdata(client);
1140 int val = simple_strtol(buf, NULL, 10);
1142 if ((val == 1) || (val==0)) {
1143 mutex_lock(&data->update_lock);
1144 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1145 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1147 mutex_unlock(&data->update_lock);
1152 #define temp_crit_enable(offset) \
1153 static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1154 show_temp_crit_enable, set_temp_crit_enable);
1156 temp_crit_enable(1);
1157 temp_crit_enable(2);
1158 temp_crit_enable(3);
1160 static ssize_t show_temp_crit(struct device *dev,
1161 struct device_attribute *attr, char *buf)
1163 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1164 int nr = sensor_attr->index;
1165 struct adm1026_data *data = adm1026_update_device(dev);
1166 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1168 static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1169 const char *buf, size_t count)
1171 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1172 int nr = sensor_attr->index;
1173 struct i2c_client *client = to_i2c_client(dev);
1174 struct adm1026_data *data = i2c_get_clientdata(client);
1175 int val = simple_strtol(buf, NULL, 10);
1177 mutex_lock(&data->update_lock);
1178 data->temp_crit[nr] = TEMP_TO_REG(val);
1179 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1180 data->temp_crit[nr]);
1181 mutex_unlock(&data->update_lock);
1185 #define temp_crit_reg(offset) \
1186 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1187 show_temp_crit, set_temp_crit, offset - 1);
1193 static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
1195 struct adm1026_data *data = adm1026_update_device(dev);
1196 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1198 static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1201 struct i2c_client *client = to_i2c_client(dev);
1202 struct adm1026_data *data = i2c_get_clientdata(client);
1203 int val = simple_strtol(buf, NULL, 10);
1205 mutex_lock(&data->update_lock);
1206 data->analog_out = DAC_TO_REG(val);
1207 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
1208 mutex_unlock(&data->update_lock);
1212 static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1213 set_analog_out_reg);
1215 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
1217 struct adm1026_data *data = adm1026_update_device(dev);
1218 return sprintf(buf, "%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
1220 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1222 static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1224 struct adm1026_data *data = dev_get_drvdata(dev);
1225 return sprintf(buf, "%d\n", data->vrm);
1227 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1230 struct adm1026_data *data = dev_get_drvdata(dev);
1232 data->vrm = simple_strtol(buf, NULL, 10);
1236 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1238 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
1240 struct adm1026_data *data = adm1026_update_device(dev);
1241 return sprintf(buf, "%ld\n", data->alarms);
1244 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1246 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1249 struct adm1026_data *data = adm1026_update_device(dev);
1250 int bitnr = to_sensor_dev_attr(attr)->index;
1251 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1254 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1255 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1256 static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1257 static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1258 static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1259 static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1260 static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1261 static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1262 static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1263 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1264 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1265 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1266 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1267 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1268 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1269 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1270 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1271 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1272 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1273 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1274 static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1275 static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1276 static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1277 static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1278 static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1279 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1280 static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1281 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1283 static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
1285 struct adm1026_data *data = adm1026_update_device(dev);
1286 return sprintf(buf, "%ld\n", data->alarm_mask);
1288 static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1291 struct i2c_client *client = to_i2c_client(dev);
1292 struct adm1026_data *data = i2c_get_clientdata(client);
1293 int val = simple_strtol(buf, NULL, 10);
1296 mutex_lock(&data->update_lock);
1297 data->alarm_mask = val & 0x7fffffff;
1298 mask = data->alarm_mask
1299 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1300 adm1026_write_value(client, ADM1026_REG_MASK1,
1303 adm1026_write_value(client, ADM1026_REG_MASK2,
1306 adm1026_write_value(client, ADM1026_REG_MASK3,
1309 adm1026_write_value(client, ADM1026_REG_MASK4,
1311 mutex_unlock(&data->update_lock);
1315 static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1319 static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
1321 struct adm1026_data *data = adm1026_update_device(dev);
1322 return sprintf(buf, "%ld\n", data->gpio);
1324 static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
1327 struct i2c_client *client = to_i2c_client(dev);
1328 struct adm1026_data *data = i2c_get_clientdata(client);
1329 int val = simple_strtol(buf, NULL, 10);
1332 mutex_lock(&data->update_lock);
1333 data->gpio = val & 0x1ffff;
1335 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1337 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1338 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
1339 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
1340 mutex_unlock(&data->update_lock);
1344 static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1347 static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
1349 struct adm1026_data *data = adm1026_update_device(dev);
1350 return sprintf(buf, "%ld\n", data->gpio_mask);
1352 static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1355 struct i2c_client *client = to_i2c_client(dev);
1356 struct adm1026_data *data = i2c_get_clientdata(client);
1357 int val = simple_strtol(buf, NULL, 10);
1360 mutex_lock(&data->update_lock);
1361 data->gpio_mask = val & 0x1ffff;
1362 mask = data->gpio_mask;
1363 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1365 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1366 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
1367 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
1368 mutex_unlock(&data->update_lock);
1372 static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1374 static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1376 struct adm1026_data *data = adm1026_update_device(dev);
1377 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1379 static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1382 struct i2c_client *client = to_i2c_client(dev);
1383 struct adm1026_data *data = i2c_get_clientdata(client);
1385 if (data->pwm1.enable == 1) {
1386 int val = simple_strtol(buf, NULL, 10);
1388 mutex_lock(&data->update_lock);
1389 data->pwm1.pwm = PWM_TO_REG(val);
1390 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1391 mutex_unlock(&data->update_lock);
1395 static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
1397 struct adm1026_data *data = adm1026_update_device(dev);
1398 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1400 static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
1403 struct i2c_client *client = to_i2c_client(dev);
1404 struct adm1026_data *data = i2c_get_clientdata(client);
1405 int val = simple_strtol(buf, NULL, 10);
1407 mutex_lock(&data->update_lock);
1408 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
1409 if (data->pwm1.enable == 2) { /* apply immediately */
1410 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1411 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1412 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1414 mutex_unlock(&data->update_lock);
1417 static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
1419 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1421 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
1423 struct adm1026_data *data = adm1026_update_device(dev);
1424 return sprintf(buf, "%d\n", data->pwm1.enable);
1426 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
1429 struct i2c_client *client = to_i2c_client(dev);
1430 struct adm1026_data *data = i2c_get_clientdata(client);
1431 int val = simple_strtol(buf, NULL, 10);
1434 if ((val >= 0) && (val < 3)) {
1435 mutex_lock(&data->update_lock);
1436 old_enable = data->pwm1.enable;
1437 data->pwm1.enable = val;
1438 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1439 | ((val == 2) ? CFG1_PWM_AFC : 0);
1440 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1442 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1443 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1444 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1445 adm1026_write_value(client, ADM1026_REG_PWM,
1447 } else if (!((old_enable == 1) && (val == 1))) {
1448 /* set pwm to safe value */
1449 data->pwm1.pwm = 255;
1450 adm1026_write_value(client, ADM1026_REG_PWM,
1453 mutex_unlock(&data->update_lock);
1458 /* enable PWM fan control */
1459 static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1460 static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1461 static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1462 static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1464 static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1466 static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1468 static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1469 show_auto_pwm_min, set_auto_pwm_min);
1470 static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1471 show_auto_pwm_min, set_auto_pwm_min);
1472 static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1473 show_auto_pwm_min, set_auto_pwm_min);
1475 static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1476 static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1477 static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1479 static struct attribute *adm1026_attributes[] = {
1480 &sensor_dev_attr_in0_input.dev_attr.attr,
1481 &sensor_dev_attr_in0_max.dev_attr.attr,
1482 &sensor_dev_attr_in0_min.dev_attr.attr,
1483 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1484 &sensor_dev_attr_in1_input.dev_attr.attr,
1485 &sensor_dev_attr_in1_max.dev_attr.attr,
1486 &sensor_dev_attr_in1_min.dev_attr.attr,
1487 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1488 &sensor_dev_attr_in2_input.dev_attr.attr,
1489 &sensor_dev_attr_in2_max.dev_attr.attr,
1490 &sensor_dev_attr_in2_min.dev_attr.attr,
1491 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1492 &sensor_dev_attr_in3_input.dev_attr.attr,
1493 &sensor_dev_attr_in3_max.dev_attr.attr,
1494 &sensor_dev_attr_in3_min.dev_attr.attr,
1495 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1496 &sensor_dev_attr_in4_input.dev_attr.attr,
1497 &sensor_dev_attr_in4_max.dev_attr.attr,
1498 &sensor_dev_attr_in4_min.dev_attr.attr,
1499 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1500 &sensor_dev_attr_in5_input.dev_attr.attr,
1501 &sensor_dev_attr_in5_max.dev_attr.attr,
1502 &sensor_dev_attr_in5_min.dev_attr.attr,
1503 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1504 &sensor_dev_attr_in6_input.dev_attr.attr,
1505 &sensor_dev_attr_in6_max.dev_attr.attr,
1506 &sensor_dev_attr_in6_min.dev_attr.attr,
1507 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1508 &sensor_dev_attr_in7_input.dev_attr.attr,
1509 &sensor_dev_attr_in7_max.dev_attr.attr,
1510 &sensor_dev_attr_in7_min.dev_attr.attr,
1511 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1512 &sensor_dev_attr_in10_input.dev_attr.attr,
1513 &sensor_dev_attr_in10_max.dev_attr.attr,
1514 &sensor_dev_attr_in10_min.dev_attr.attr,
1515 &sensor_dev_attr_in10_alarm.dev_attr.attr,
1516 &sensor_dev_attr_in11_input.dev_attr.attr,
1517 &sensor_dev_attr_in11_max.dev_attr.attr,
1518 &sensor_dev_attr_in11_min.dev_attr.attr,
1519 &sensor_dev_attr_in11_alarm.dev_attr.attr,
1520 &sensor_dev_attr_in12_input.dev_attr.attr,
1521 &sensor_dev_attr_in12_max.dev_attr.attr,
1522 &sensor_dev_attr_in12_min.dev_attr.attr,
1523 &sensor_dev_attr_in12_alarm.dev_attr.attr,
1524 &sensor_dev_attr_in13_input.dev_attr.attr,
1525 &sensor_dev_attr_in13_max.dev_attr.attr,
1526 &sensor_dev_attr_in13_min.dev_attr.attr,
1527 &sensor_dev_attr_in13_alarm.dev_attr.attr,
1528 &sensor_dev_attr_in14_input.dev_attr.attr,
1529 &sensor_dev_attr_in14_max.dev_attr.attr,
1530 &sensor_dev_attr_in14_min.dev_attr.attr,
1531 &sensor_dev_attr_in14_alarm.dev_attr.attr,
1532 &sensor_dev_attr_in15_input.dev_attr.attr,
1533 &sensor_dev_attr_in15_max.dev_attr.attr,
1534 &sensor_dev_attr_in15_min.dev_attr.attr,
1535 &sensor_dev_attr_in15_alarm.dev_attr.attr,
1536 &sensor_dev_attr_in16_input.dev_attr.attr,
1537 &sensor_dev_attr_in16_max.dev_attr.attr,
1538 &sensor_dev_attr_in16_min.dev_attr.attr,
1539 &sensor_dev_attr_in16_alarm.dev_attr.attr,
1540 &sensor_dev_attr_fan1_input.dev_attr.attr,
1541 &sensor_dev_attr_fan1_div.dev_attr.attr,
1542 &sensor_dev_attr_fan1_min.dev_attr.attr,
1543 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1544 &sensor_dev_attr_fan2_input.dev_attr.attr,
1545 &sensor_dev_attr_fan2_div.dev_attr.attr,
1546 &sensor_dev_attr_fan2_min.dev_attr.attr,
1547 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1548 &sensor_dev_attr_fan3_input.dev_attr.attr,
1549 &sensor_dev_attr_fan3_div.dev_attr.attr,
1550 &sensor_dev_attr_fan3_min.dev_attr.attr,
1551 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1552 &sensor_dev_attr_fan4_input.dev_attr.attr,
1553 &sensor_dev_attr_fan4_div.dev_attr.attr,
1554 &sensor_dev_attr_fan4_min.dev_attr.attr,
1555 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
1556 &sensor_dev_attr_fan5_input.dev_attr.attr,
1557 &sensor_dev_attr_fan5_div.dev_attr.attr,
1558 &sensor_dev_attr_fan5_min.dev_attr.attr,
1559 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
1560 &sensor_dev_attr_fan6_input.dev_attr.attr,
1561 &sensor_dev_attr_fan6_div.dev_attr.attr,
1562 &sensor_dev_attr_fan6_min.dev_attr.attr,
1563 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
1564 &sensor_dev_attr_fan7_input.dev_attr.attr,
1565 &sensor_dev_attr_fan7_div.dev_attr.attr,
1566 &sensor_dev_attr_fan7_min.dev_attr.attr,
1567 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
1568 &sensor_dev_attr_fan8_input.dev_attr.attr,
1569 &sensor_dev_attr_fan8_div.dev_attr.attr,
1570 &sensor_dev_attr_fan8_min.dev_attr.attr,
1571 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
1572 &sensor_dev_attr_temp1_input.dev_attr.attr,
1573 &sensor_dev_attr_temp1_max.dev_attr.attr,
1574 &sensor_dev_attr_temp1_min.dev_attr.attr,
1575 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1576 &sensor_dev_attr_temp2_input.dev_attr.attr,
1577 &sensor_dev_attr_temp2_max.dev_attr.attr,
1578 &sensor_dev_attr_temp2_min.dev_attr.attr,
1579 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1580 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1581 &sensor_dev_attr_temp2_offset.dev_attr.attr,
1582 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1583 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
1584 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1585 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
1586 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1587 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
1588 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1589 &sensor_dev_attr_temp2_crit.dev_attr.attr,
1590 &dev_attr_temp1_crit_enable.attr,
1591 &dev_attr_temp2_crit_enable.attr,
1592 &dev_attr_cpu0_vid.attr,
1594 &dev_attr_alarms.attr,
1595 &dev_attr_alarm_mask.attr,
1596 &dev_attr_gpio.attr,
1597 &dev_attr_gpio_mask.attr,
1598 &dev_attr_pwm1.attr,
1599 &dev_attr_pwm2.attr,
1600 &dev_attr_pwm3.attr,
1601 &dev_attr_pwm1_enable.attr,
1602 &dev_attr_pwm2_enable.attr,
1603 &dev_attr_pwm3_enable.attr,
1604 &dev_attr_temp1_auto_point1_pwm.attr,
1605 &dev_attr_temp2_auto_point1_pwm.attr,
1606 &dev_attr_temp1_auto_point2_pwm.attr,
1607 &dev_attr_temp2_auto_point2_pwm.attr,
1608 &dev_attr_analog_out.attr,
1612 static const struct attribute_group adm1026_group = {
1613 .attrs = adm1026_attributes,
1616 static struct attribute *adm1026_attributes_temp3[] = {
1617 &sensor_dev_attr_temp3_input.dev_attr.attr,
1618 &sensor_dev_attr_temp3_max.dev_attr.attr,
1619 &sensor_dev_attr_temp3_min.dev_attr.attr,
1620 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1621 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1622 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1623 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1624 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1625 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1626 &dev_attr_temp3_crit_enable.attr,
1627 &dev_attr_temp3_auto_point1_pwm.attr,
1628 &dev_attr_temp3_auto_point2_pwm.attr,
1632 static const struct attribute_group adm1026_group_temp3 = {
1633 .attrs = adm1026_attributes_temp3,
1636 static struct attribute *adm1026_attributes_in8_9[] = {
1637 &sensor_dev_attr_in8_input.dev_attr.attr,
1638 &sensor_dev_attr_in8_max.dev_attr.attr,
1639 &sensor_dev_attr_in8_min.dev_attr.attr,
1640 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1641 &sensor_dev_attr_in9_input.dev_attr.attr,
1642 &sensor_dev_attr_in9_max.dev_attr.attr,
1643 &sensor_dev_attr_in9_min.dev_attr.attr,
1644 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1648 static const struct attribute_group adm1026_group_in8_9 = {
1649 .attrs = adm1026_attributes_in8_9,
1652 /* Return 0 if detection is successful, -ENODEV otherwise */
1653 static int adm1026_detect(struct i2c_client *client, int kind,
1654 struct i2c_board_info *info)
1656 struct i2c_adapter *adapter = client->adapter;
1657 int address = client->addr;
1658 int company, verstep;
1660 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1661 /* We need to be able to do byte I/O */
1665 /* Now, we do the remaining detection. */
1667 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1668 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1670 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
1671 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1672 i2c_adapter_id(client->adapter), client->addr,
1675 /* If auto-detecting, Determine the chip type. */
1677 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x "
1678 "...\n", i2c_adapter_id(adapter), address);
1679 if (company == ADM1026_COMPANY_ANALOG_DEV
1680 && verstep == ADM1026_VERSTEP_ADM1026) {
1682 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1683 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1684 dev_err(&adapter->dev, ": Unrecognized stepping "
1685 "0x%02x. Defaulting to ADM1026.\n", verstep);
1687 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1688 dev_err(&adapter->dev, ": Found version/stepping "
1689 "0x%02x. Assuming generic ADM1026.\n",
1693 dev_dbg(&adapter->dev, ": Autodetection "
1695 /* Not an ADM1026 ... */
1696 if (kind == 0) { /* User used force=x,y */
1697 dev_err(&adapter->dev, "Generic ADM1026 not "
1698 "found at %d,0x%02x. Try "
1700 i2c_adapter_id(adapter), address);
1705 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
1710 static int adm1026_probe(struct i2c_client *client,
1711 const struct i2c_device_id *id)
1713 struct adm1026_data *data;
1716 data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL);
1722 i2c_set_clientdata(client, data);
1723 mutex_init(&data->update_lock);
1725 /* Set the VRM version */
1726 data->vrm = vid_which_vrm();
1728 /* Initialize the ADM1026 chip */
1729 adm1026_init_client(client);
1731 /* Register sysfs hooks */
1732 if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
1734 if (data->config1 & CFG1_AIN8_9)
1735 err = sysfs_create_group(&client->dev.kobj,
1736 &adm1026_group_in8_9);
1738 err = sysfs_create_group(&client->dev.kobj,
1739 &adm1026_group_temp3);
1743 data->hwmon_dev = hwmon_device_register(&client->dev);
1744 if (IS_ERR(data->hwmon_dev)) {
1745 err = PTR_ERR(data->hwmon_dev);
1751 /* Error out and cleanup code */
1753 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
1754 if (data->config1 & CFG1_AIN8_9)
1755 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1757 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1764 static int adm1026_remove(struct i2c_client *client)
1766 struct adm1026_data *data = i2c_get_clientdata(client);
1767 hwmon_device_unregister(data->hwmon_dev);
1768 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
1769 if (data->config1 & CFG1_AIN8_9)
1770 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1772 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1777 static int __init sm_adm1026_init(void)
1779 return i2c_add_driver(&adm1026_driver);
1782 static void __exit sm_adm1026_exit(void)
1784 i2c_del_driver(&adm1026_driver);
1787 MODULE_LICENSE("GPL");
1788 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1789 "Justin Thiessen <jthiessen@penguincomputing.com>");
1790 MODULE_DESCRIPTION("ADM1026 driver");
1792 module_init(sm_adm1026_init);
1793 module_exit(sm_adm1026_exit);