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hwmon: (adm1026) Avoid forward declaration
[mirror_ubuntu-artful-kernel.git] / drivers / hwmon / adm1026.c
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1da177e4 1/*
86aa3e22
GR		 2 * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring
4 * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
5 * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
6 *
7 * Chip details at:
8 *
9 * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
10 *
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.
15 *
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.
20 *
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.
24 */
1da177e4 25
1da177e4
LT		 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>
943b0830 31#include <linux/hwmon.h>
303760b4
JD		 32#include <linux/hwmon-sysfs.h>
33#include <linux/hwmon-vid.h>
943b0830 34#include <linux/err.h>
9a61bf63 35#include <linux/mutex.h>
1da177e4
LT		 36
37/* Addresses to scan */
25e9c86d 38static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
1da177e4 39
cb01a231
JD		 40static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
41 -1, -1, -1, -1, -1, -1, -1, -1 };
1da177e4
LT		 42static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
43 -1, -1, -1, -1, -1, -1, -1, -1 };
44static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
45 -1, -1, -1, -1, -1, -1, -1, -1 };
46static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
47 -1, -1, -1, -1, -1, -1, -1, -1 };
48static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
cb01a231
JD		 49module_param_array(gpio_input, int, NULL, 0);
50MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
51module_param_array(gpio_output, int, NULL, 0);
b55f3757
GR		 52MODULE_PARM_DESC(gpio_output,
53 "List of GPIO pins (0-16) to program as outputs");
cb01a231 54module_param_array(gpio_inverted, int, NULL, 0);
b55f3757
GR		 55MODULE_PARM_DESC(gpio_inverted,
56 "List of GPIO pins (0-16) to program as inverted");
cb01a231 57module_param_array(gpio_normal, int, NULL, 0);
b55f3757
GR		 58MODULE_PARM_DESC(gpio_normal,
59 "List of GPIO pins (0-16) to program as normal/non-inverted");
cb01a231
JD		 60module_param_array(gpio_fan, int, NULL, 0);
61MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
1da177e4
LT		 62
63/* Many ADM1026 constants specified below */
64
65/* The ADM1026 registers */
cb01a231
JD		 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
75
76#define ADM1026_REG_CONFIG2 0x01
1da177e4 77/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
cb01a231
JD		 78
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
85
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
1da177e4 92
86aa3e22
GR		 93/*
94 * There are 10 general analog inputs and 7 dedicated inputs
1da177e4
LT		 95 * They are:
96 * 0 - 9 = AIN0 - AIN9
97 * 10 = Vbat
98 * 11 = 3.3V Standby
99 * 12 = 3.3V Main
100 * 13 = +5V
101 * 14 = Vccp (CPU core voltage)
102 * 15 = +12V
103 * 16 = -12V
104 */
105static u16 ADM1026_REG_IN[] = {
106 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
107 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
108 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
109 };
110static u16 ADM1026_REG_IN_MIN[] = {
111 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
112 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
113 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
114 };
115static u16 ADM1026_REG_IN_MAX[] = {
116 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
117 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
118 0x43, 0x44, 0x45, 0x46, 0x47
119 };
120
86aa3e22
GR		 121/*
122 * Temperatures are:
1da177e4
LT		 123 * 0 - Internal
124 * 1 - External 1
125 * 2 - External 2
126 */
127static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
128static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
129static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
130static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
131static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
132static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
133
cb01a231
JD		 134#define ADM1026_REG_FAN(nr) (0x38 + (nr))
135#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
136#define ADM1026_REG_FAN_DIV_0_3 0x02
137#define ADM1026_REG_FAN_DIV_4_7 0x03
1da177e4 138
cb01a231
JD		 139#define ADM1026_REG_DAC 0x04
140#define ADM1026_REG_PWM 0x05
1da177e4 141
cb01a231
JD		 142#define ADM1026_REG_GPIO_CFG_0_3 0x08
143#define ADM1026_REG_GPIO_CFG_4_7 0x09
144#define ADM1026_REG_GPIO_CFG_8_11 0x0a
145#define ADM1026_REG_GPIO_CFG_12_15 0x0b
1da177e4 146/* CFG_16 in REG_CFG3 */
cb01a231
JD		 147#define ADM1026_REG_GPIO_STATUS_0_7 0x24
148#define ADM1026_REG_GPIO_STATUS_8_15 0x25
1da177e4 149/* STATUS_16 in REG_STATUS4 */
cb01a231
JD		 150#define ADM1026_REG_GPIO_MASK_0_7 0x1c
151#define ADM1026_REG_GPIO_MASK_8_15 0x1d
1da177e4
LT		 152/* MASK_16 in REG_MASK4 */
153
cb01a231
JD		 154#define ADM1026_REG_COMPANY 0x16
155#define ADM1026_REG_VERSTEP 0x17
1da177e4 156/* These are the recognized values for the above regs */
cb01a231
JD		 157#define ADM1026_COMPANY_ANALOG_DEV 0x41
158#define ADM1026_VERSTEP_GENERIC 0x40
159#define ADM1026_VERSTEP_ADM1026 0x44
1da177e4 160
cb01a231
JD		 161#define ADM1026_REG_MASK1 0x18
162#define ADM1026_REG_MASK2 0x19
163#define ADM1026_REG_MASK3 0x1a
164#define ADM1026_REG_MASK4 0x1b
1da177e4 165
cb01a231
JD		 166#define ADM1026_REG_STATUS1 0x20
167#define ADM1026_REG_STATUS2 0x21
168#define ADM1026_REG_STATUS3 0x22
169#define ADM1026_REG_STATUS4 0x23
1da177e4
LT		 170
171#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
cb01a231
JD		 172#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
173#define ADM1026_PWM_MAX 255
1da177e4 174
86aa3e22
GR		 175/*
176 * Conversions. Rounding and limit checking is only done on the TO_REG
1da177e4
LT		 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.
179 */
180
86aa3e22
GR		 181/*
182 * IN are scaled according to built-in resistors. These are the
1da177e4
LT		 183 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
184 * NOTE: The -12V input needs an additional factor to account
185 * for the Vref pullup resistor.
186 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
187 * = 13875 * 2.50 / 1.875 - 2500
188 * = 16000
189 *
190 * The values in this table are based on Table II, page 15 of the
191 * datasheet.
192 */
cb01a231
JD		 193static int adm1026_scaling[] = { /* .001 Volts */
194 2250, 2250, 2250, 2250, 2250, 2250,
195 1875, 1875, 1875, 1875, 3000, 3330,
1da177e4
LT		 196 3330, 4995, 2250, 12000, 13875
197 };
198#define NEG12_OFFSET 16000
cb01a231 199#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
2a844c14 200#define INS_TO_REG(n, val) (clamp_val(SCALE(val, adm1026_scaling[n], 192),\
cb01a231
JD		 201 0, 255))
202#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
1da177e4 203
86aa3e22
GR		 204/*
205 * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
1da177e4
LT		 206 * and we assume a 2 pulse-per-rev fan tach signal
207 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
208 */
cb01a231 209#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
2a844c14 210 clamp_val(1350000 / ((val) * (div)), \
86aa3e22
GR		 211 1, 254))
212#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
213 1350000 / ((val) * (div)))
214#define DIV_FROM_REG(val) (1 << (val))
cb01a231 215#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
1da177e4
LT		 216
217/* Temperature is reported in 1 degC increments */
2a844c14 218#define TEMP_TO_REG(val) (clamp_val(((val) + ((val) < 0 ? -500 : 500)) \
86aa3e22 219 / 1000, -127, 127))
1da177e4 220#define TEMP_FROM_REG(val) ((val) * 1000)
2a844c14 221#define OFFSET_TO_REG(val) (clamp_val(((val) + ((val) < 0 ? -500 : 500)) \
86aa3e22 222 / 1000, -127, 127))
1da177e4
LT		 223#define OFFSET_FROM_REG(val) ((val) * 1000)
224
2a844c14 225#define PWM_TO_REG(val) (clamp_val(val, 0, 255))
1da177e4
LT		 226#define PWM_FROM_REG(val) (val)
227
228#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
229#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
230
86aa3e22
GR		 231/*
232 * Analog output is a voltage, and scaled to millivolts. The datasheet
cb01a231 233 * indicates that the DAC could be used to drive the fans, but in our
1da177e4
LT		 234 * example board (Arima HDAMA) it isn't connected to the fans at all.
235 */
2a844c14 236#define DAC_TO_REG(val) (clamp_val(((((val) * 255) + 500) / 2500), 0, 255))
86aa3e22 237#define DAC_FROM_REG(val) (((val) * 2500) / 255)
1da177e4 238
86aa3e22
GR		 239/*
240 * Chip sampling rates
1da177e4
LT		 241 *
242 * Some sensors are not updated more frequently than once per second
243 * so it doesn't make sense to read them more often than that.
244 * We cache the results and return the saved data if the driver
245 * is called again before a second has elapsed.
246 *
247 * Also, there is significant configuration data for this chip
248 * So, we keep the config data up to date in the cache
249 * when it is written and only sample it once every 5 *minutes*
250 */
cb01a231
JD		 251#define ADM1026_DATA_INTERVAL (1 * HZ)
252#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
1da177e4 253
86aa3e22
GR		 254/*
255 * We allow for multiple chips in a single system.
1da177e4
LT		 256 *
257 * For each registered ADM1026, we need to keep state information
258 * at client->data. The adm1026_data structure is dynamically
86aa3e22
GR		 259 * allocated, when a new client structure is allocated.
260 */
1da177e4
LT		 261
262struct pwm_data {
263 u8 pwm;
264 u8 enable;
265 u8 auto_pwm_min;
266};
267
268struct adm1026_data {
1beeffe4 269 struct device *hwmon_dev;
1da177e4 270
9a61bf63 271 struct mutex update_lock;
1da177e4
LT		 272 int valid; /* !=0 if following fields are valid */
273 unsigned long last_reading; /* In jiffies */
274 unsigned long last_config; /* In jiffies */
275
cb01a231
JD		 276 u8 in[17]; /* Register value */
277 u8 in_max[17]; /* Register value */
278 u8 in_min[17]; /* Register value */
279 s8 temp[3]; /* Register value */
280 s8 temp_min[3]; /* Register value */
281 s8 temp_max[3]; /* Register value */
282 s8 temp_tmin[3]; /* Register value */
283 s8 temp_crit[3]; /* Register value */
284 s8 temp_offset[3]; /* Register value */
285 u8 fan[8]; /* Register value */
286 u8 fan_min[8]; /* Register value */
287 u8 fan_div[8]; /* Decoded value */
288 struct pwm_data pwm1; /* Pwm control values */
cb01a231 289 u8 vrm; /* VRM version */
1da177e4 290 u8 analog_out; /* Register value (DAC) */
cb01a231
JD		 291 long alarms; /* Register encoding, combined */
292 long alarm_mask; /* Register encoding, combined */
293 long gpio; /* Register encoding, combined */
294 long gpio_mask; /* Register encoding, combined */
295 u8 gpio_config[17]; /* Decoded value */
296 u8 config1; /* Register value */
297 u8 config2; /* Register value */
298 u8 config3; /* Register value */
1da177e4
LT		 299};
300
c49efcef 301static int adm1026_read_value(struct i2c_client *client, u8 reg)
1da177e4
LT		 302{
303 int res;
304
305 if (reg < 0x80) {
306 /* "RAM" locations */
307 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
308 } else {
309 /* EEPROM, do nothing */
310 res = 0;
311 }
312 return res;
313}
314
c49efcef 315static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
1da177e4
LT		 316{
317 int res;
318
319 if (reg < 0x80) {
320 /* "RAM" locations */
321 res = i2c_smbus_write_byte_data(client, reg, value);
322 } else {
323 /* EEPROM, do nothing */
324 res = 0;
325 }
326 return res;
327}
328
1da177e4
LT		 329static struct adm1026_data *adm1026_update_device(struct device *dev)
330{
331 struct i2c_client *client = to_i2c_client(dev);
332 struct adm1026_data *data = i2c_get_clientdata(client);
333 int i;
334 long value, alarms, gpio;
335
9a61bf63 336 mutex_lock(&data->update_lock);
1da177e4 337 if (!data->valid
86aa3e22
GR		 338 || time_after(jiffies,
339 data->last_reading + ADM1026_DATA_INTERVAL)) {
1da177e4 340 /* Things that change quickly */
cb01a231 341 dev_dbg(&client->dev, "Reading sensor values\n");
86aa3e22 342 for (i = 0; i <= 16; ++i) {
1da177e4
LT		 343 data->in[i] =
344 adm1026_read_value(client, ADM1026_REG_IN[i]);
345 }
346
86aa3e22 347 for (i = 0; i <= 7; ++i) {
1da177e4
LT		 348 data->fan[i] =
349 adm1026_read_value(client, ADM1026_REG_FAN(i));
350 }
351
86aa3e22
GR		 352 for (i = 0; i <= 2; ++i) {
353 /*
354 * NOTE: temp[] is s8 and we assume 2's complement
355 * "conversion" in the assignment
356 */
1da177e4
LT		 357 data->temp[i] =
358 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
359 }
360
cb01a231 361 data->pwm1.pwm = adm1026_read_value(client,
1da177e4 362 ADM1026_REG_PWM);
cb01a231 363 data->analog_out = adm1026_read_value(client,
1da177e4
LT		 364 ADM1026_REG_DAC);
365 /* GPIO16 is MSbit of alarms, move it to gpio */
366 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
cb01a231 367 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
1da177e4
LT		 368 alarms &= 0x7f;
369 alarms <<= 8;
370 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
371 alarms <<= 8;
372 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
373 alarms <<= 8;
374 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
375 data->alarms = alarms;
376
377 /* Read the GPIO values */
cb01a231 378 gpio |= adm1026_read_value(client,
1da177e4
LT		 379 ADM1026_REG_GPIO_STATUS_8_15);
380 gpio <<= 8;
cb01a231 381 gpio |= adm1026_read_value(client,
1da177e4
LT		 382 ADM1026_REG_GPIO_STATUS_0_7);
383 data->gpio = gpio;
384
385 data->last_reading = jiffies;
a0393713 386 } /* last_reading */
1da177e4
LT		 387
388 if (!data->valid ||
389 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
390 /* Things that don't change often */
391 dev_dbg(&client->dev, "Reading config values\n");
86aa3e22 392 for (i = 0; i <= 16; ++i) {
cb01a231 393 data->in_min[i] = adm1026_read_value(client,
1da177e4 394 ADM1026_REG_IN_MIN[i]);
cb01a231 395 data->in_max[i] = adm1026_read_value(client,
1da177e4
LT		 396 ADM1026_REG_IN_MAX[i]);
397 }
398
399 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
400 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
401 << 8);
86aa3e22 402 for (i = 0; i <= 7; ++i) {
cb01a231 403 data->fan_min[i] = adm1026_read_value(client,
1da177e4
LT		 404 ADM1026_REG_FAN_MIN(i));
405 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
406 value >>= 2;
407 }
408
409 for (i = 0; i <= 2; ++i) {
86aa3e22
GR		 410 /*
411 * NOTE: temp_xxx[] are s8 and we assume 2's
1da177e4
LT		 412 * complement "conversion" in the assignment
413 */
cb01a231 414 data->temp_min[i] = adm1026_read_value(client,
1da177e4 415 ADM1026_REG_TEMP_MIN[i]);
cb01a231 416 data->temp_max[i] = adm1026_read_value(client,
1da177e4 417 ADM1026_REG_TEMP_MAX[i]);
cb01a231 418 data->temp_tmin[i] = adm1026_read_value(client,
1da177e4 419 ADM1026_REG_TEMP_TMIN[i]);
cb01a231 420 data->temp_crit[i] = adm1026_read_value(client,
1da177e4 421 ADM1026_REG_TEMP_THERM[i]);
cb01a231 422 data->temp_offset[i] = adm1026_read_value(client,
1da177e4
LT		 423 ADM1026_REG_TEMP_OFFSET[i]);
424 }
425
426 /* Read the STATUS/alarm masks */
cb01a231
JD		 427 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
428 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
429 alarms = (alarms & 0x7f) << 8;
1da177e4
LT		 430 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
431 alarms <<= 8;
432 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
433 alarms <<= 8;
434 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
435 data->alarm_mask = alarms;
436
437 /* Read the GPIO values */
cb01a231 438 gpio |= adm1026_read_value(client,
1da177e4
LT		 439 ADM1026_REG_GPIO_MASK_8_15);
440 gpio <<= 8;
441 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
442 data->gpio_mask = gpio;
443
444 /* Read various values from CONFIG1 */
cb01a231 445 data->config1 = adm1026_read_value(client,
1da177e4
LT		 446 ADM1026_REG_CONFIG1);
447 if (data->config1 & CFG1_PWM_AFC) {
448 data->pwm1.enable = 2;
cb01a231 449 data->pwm1.auto_pwm_min =
1da177e4
LT		 450 PWM_MIN_FROM_REG(data->pwm1.pwm);
451 }
452 /* Read the GPIO config */
cb01a231 453 data->config2 = adm1026_read_value(client,
1da177e4 454 ADM1026_REG_CONFIG2);
cb01a231 455 data->config3 = adm1026_read_value(client,
1da177e4
LT		 456 ADM1026_REG_CONFIG3);
457 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
458
459 value = 0;
86aa3e22 460 for (i = 0; i <= 15; ++i) {
1da177e4
LT		 461 if ((i & 0x03) == 0) {
462 value = adm1026_read_value(client,
463 ADM1026_REG_GPIO_CFG_0_3 + i/4);
464 }
465 data->gpio_config[i] = value & 0x03;
466 value >>= 2;
467 }
468
469 data->last_config = jiffies;
a0393713 470 } /* last_config */
1da177e4 471
1da177e4 472 data->valid = 1;
9a61bf63 473 mutex_unlock(&data->update_lock);
1da177e4
LT		 474 return data;
475}
476
050480f1
YI		 477static ssize_t show_in(struct device *dev, struct device_attribute *attr,
478 char *buf)
1da177e4 479{
050480f1
YI		 480 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
481 int nr = sensor_attr->index;
1da177e4 482 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 483 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
1da177e4 484}
050480f1
YI		 485static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
486 char *buf)
1da177e4 487{
050480f1
YI		 488 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
489 int nr = sensor_attr->index;
cb01a231
JD		 490 struct adm1026_data *data = adm1026_update_device(dev);
491 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
1da177e4 492}
050480f1
YI		 493static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
494 const char *buf, size_t count)
1da177e4 495{
050480f1
YI		 496 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
497 int nr = sensor_attr->index;
1da177e4
LT		 498 struct i2c_client *client = to_i2c_client(dev);
499 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 500 long val;
501 int err;
502
503 err = kstrtol(buf, 10, &val);
504 if (err)
505 return err;
1da177e4 506
9a61bf63 507 mutex_lock(&data->update_lock);
1da177e4
LT		 508 data->in_min[nr] = INS_TO_REG(nr, val);
509 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
9a61bf63 510 mutex_unlock(&data->update_lock);
cb01a231 511 return count;
1da177e4 512}
050480f1
YI		 513static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
514 char *buf)
1da177e4 515{
050480f1
YI		 516 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
517 int nr = sensor_attr->index;
1da177e4 518 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 519 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
1da177e4 520}
050480f1
YI		 521static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
522 const char *buf, size_t count)
1da177e4 523{
050480f1
YI		 524 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
525 int nr = sensor_attr->index;
1da177e4
LT		 526 struct i2c_client *client = to_i2c_client(dev);
527 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 528 long val;
529 int err;
530
531 err = kstrtol(buf, 10, &val);
532 if (err)
533 return err;
1da177e4 534
9a61bf63 535 mutex_lock(&data->update_lock);
1da177e4
LT		 536 data->in_max[nr] = INS_TO_REG(nr, val);
537 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
9a61bf63 538 mutex_unlock(&data->update_lock);
1da177e4
LT		 539 return count;
540}
541
050480f1
YI		 542#define in_reg(offset) \
543static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
544 NULL, offset); \
545static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
546 show_in_min, set_in_min, offset); \
547static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
548 show_in_max, set_in_max, offset);
1da177e4
LT		 549
550
551in_reg(0);
552in_reg(1);
553in_reg(2);
554in_reg(3);
555in_reg(4);
556in_reg(5);
557in_reg(6);
558in_reg(7);
559in_reg(8);
560in_reg(9);
561in_reg(10);
562in_reg(11);
563in_reg(12);
564in_reg(13);
565in_reg(14);
566in_reg(15);
567
86aa3e22
GR		 568static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
569 char *buf)
1da177e4
LT		 570{
571 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 572 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
1da177e4
LT		 573 NEG12_OFFSET);
574}
86aa3e22
GR		 575static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
576 char *buf)
1da177e4 577{
cb01a231
JD		 578 struct adm1026_data *data = adm1026_update_device(dev);
579 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
1da177e4
LT		 580 - NEG12_OFFSET);
581}
86aa3e22
GR		 582static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
583 const char *buf, size_t count)
1da177e4
LT		 584{
585 struct i2c_client *client = to_i2c_client(dev);
586 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 587 long val;
588 int err;
589
590 err = kstrtol(buf, 10, &val);
591 if (err)
592 return err;
1da177e4 593
9a61bf63 594 mutex_lock(&data->update_lock);
1da177e4
LT		 595 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
596 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
9a61bf63 597 mutex_unlock(&data->update_lock);
cb01a231 598 return count;
1da177e4 599}
86aa3e22
GR		 600static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
601 char *buf)
1da177e4
LT		 602{
603 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 604 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
1da177e4
LT		 605 - NEG12_OFFSET);
606}
86aa3e22
GR		 607static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
608 const char *buf, size_t count)
1da177e4
LT		 609{
610 struct i2c_client *client = to_i2c_client(dev);
611 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 612 long val;
613 int err;
614
615 err = kstrtol(buf, 10, &val);
616 if (err)
617 return err;
1da177e4 618
9a61bf63 619 mutex_lock(&data->update_lock);
1da177e4
LT		 620 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
621 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
9a61bf63 622 mutex_unlock(&data->update_lock);
1da177e4
LT		 623 return count;
624}
625
050480f1 626static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
86aa3e22
GR		 627static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
628 set_in16_min, 16);
629static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
630 set_in16_max, 16);
1da177e4
LT		 631
632
633/* Now add fan read/write functions */
634
050480f1
YI		 635static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
636 char *buf)
1da177e4 637{
050480f1
YI		 638 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
639 int nr = sensor_attr->index;
1da177e4 640 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 641 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
1da177e4
LT		 642 data->fan_div[nr]));
643}
050480f1
YI		 644static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
645 char *buf)
1da177e4 646{
050480f1
YI		 647 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
648 int nr = sensor_attr->index;
1da177e4 649 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 650 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
1da177e4
LT		 651 data->fan_div[nr]));
652}
050480f1
YI		 653static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
654 const char *buf, size_t count)
1da177e4 655{
050480f1
YI		 656 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
657 int nr = sensor_attr->index;
1da177e4
LT		 658 struct i2c_client *client = to_i2c_client(dev);
659 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 660 long val;
661 int err;
662
663 err = kstrtol(buf, 10, &val);
664 if (err)
665 return err;
1da177e4 666
9a61bf63 667 mutex_lock(&data->update_lock);
1da177e4
LT		 668 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
669 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
670 data->fan_min[nr]);
9a61bf63 671 mutex_unlock(&data->update_lock);
1da177e4
LT		 672 return count;
673}
674
cb01a231
JD		 675#define fan_offset(offset) \
676static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
677 offset - 1); \
678static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
050480f1 679 show_fan_min, set_fan_min, offset - 1);
1da177e4
LT		 680
681fan_offset(1);
682fan_offset(2);
683fan_offset(3);
684fan_offset(4);
685fan_offset(5);
686fan_offset(6);
687fan_offset(7);
688fan_offset(8);
689
690/* Adjust fan_min to account for new fan divisor */
691static void fixup_fan_min(struct device *dev, int fan, int old_div)
692{
693 struct i2c_client *client = to_i2c_client(dev);
694 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231
JD		 695 int new_min;
696 int new_div = data->fan_div[fan];
1da177e4
LT		 697
698 /* 0 and 0xff are special. Don't adjust them */
86aa3e22 699 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
1da177e4 700 return;
1da177e4
LT		 701
702 new_min = data->fan_min[fan] * old_div / new_div;
2a844c14 703 new_min = clamp_val(new_min, 1, 254);
1da177e4
LT		 704 data->fan_min[fan] = new_min;
705 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
706}
707
708/* Now add fan_div read/write functions */
050480f1
YI		 709static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
710 char *buf)
1da177e4 711{
050480f1
YI		 712 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
713 int nr = sensor_attr->index;
1da177e4 714 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 715 return sprintf(buf, "%d\n", data->fan_div[nr]);
1da177e4 716}
050480f1
YI		 717static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
718 const char *buf, size_t count)
1da177e4 719{
050480f1
YI		 720 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
721 int nr = sensor_attr->index;
1da177e4
LT		 722 struct i2c_client *client = to_i2c_client(dev);
723 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 724 long val;
725 int orig_div, new_div;
726 int err;
727
728 err = kstrtol(buf, 10, &val);
729 if (err)
730 return err;
1da177e4 731
cb01a231 732 new_div = DIV_TO_REG(val);
8b0f1840 733
9a61bf63 734 mutex_lock(&data->update_lock);
1da177e4
LT		 735 orig_div = data->fan_div[nr];
736 data->fan_div[nr] = DIV_FROM_REG(new_div);
737
738 if (nr < 4) { /* 0 <= nr < 4 */
1da177e4 739 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
52bc9802
GG		 740 (DIV_TO_REG(data->fan_div[0]) << 0) |
741 (DIV_TO_REG(data->fan_div[1]) << 2) |
742 (DIV_TO_REG(data->fan_div[2]) << 4) |
743 (DIV_TO_REG(data->fan_div[3]) << 6));
1da177e4 744 } else { /* 3 < nr < 8 */
1da177e4 745 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
52bc9802
GG		 746 (DIV_TO_REG(data->fan_div[4]) << 0) |
747 (DIV_TO_REG(data->fan_div[5]) << 2) |
748 (DIV_TO_REG(data->fan_div[6]) << 4) |
749 (DIV_TO_REG(data->fan_div[7]) << 6));
1da177e4
LT		 750 }
751
86aa3e22 752 if (data->fan_div[nr] != orig_div)
cb01a231 753 fixup_fan_min(dev, nr, orig_div);
86aa3e22 754
9a61bf63 755 mutex_unlock(&data->update_lock);
1da177e4
LT		 756 return count;
757}
758
cb01a231
JD		 759#define fan_offset_div(offset) \
760static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
050480f1 761 show_fan_div, set_fan_div, offset - 1);
1da177e4
LT		 762
763fan_offset_div(1);
764fan_offset_div(2);
765fan_offset_div(3);
766fan_offset_div(4);
767fan_offset_div(5);
768fan_offset_div(6);
769fan_offset_div(7);
770fan_offset_div(8);
771
772/* Temps */
050480f1
YI		 773static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
774 char *buf)
1da177e4 775{
050480f1
YI		 776 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
777 int nr = sensor_attr->index;
1da177e4 778 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 779 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
1da177e4 780}
050480f1
YI		 781static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
782 char *buf)
1da177e4 783{
050480f1
YI		 784 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
785 int nr = sensor_attr->index;
1da177e4 786 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 787 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
1da177e4 788}
050480f1
YI		 789static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
790 const char *buf, size_t count)
1da177e4 791{
050480f1
YI		 792 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
793 int nr = sensor_attr->index;
1da177e4
LT		 794 struct i2c_client *client = to_i2c_client(dev);
795 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 796 long val;
797 int err;
798
799 err = kstrtol(buf, 10, &val);
800 if (err)
801 return err;
1da177e4 802
9a61bf63 803 mutex_lock(&data->update_lock);
1da177e4
LT		 804 data->temp_min[nr] = TEMP_TO_REG(val);
805 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
806 data->temp_min[nr]);
9a61bf63 807 mutex_unlock(&data->update_lock);
1da177e4
LT		 808 return count;
809}
050480f1
YI		 810static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
811 char *buf)
1da177e4 812{
050480f1
YI		 813 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
814 int nr = sensor_attr->index;
1da177e4 815 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 816 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1da177e4 817}
050480f1
YI		 818static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
819 const char *buf, size_t count)
1da177e4 820{
050480f1
YI		 821 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
822 int nr = sensor_attr->index;
1da177e4
LT		 823 struct i2c_client *client = to_i2c_client(dev);
824 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 825 long val;
826 int err;
827
828 err = kstrtol(buf, 10, &val);
829 if (err)
830 return err;
1da177e4 831
9a61bf63 832 mutex_lock(&data->update_lock);
1da177e4
LT		 833 data->temp_max[nr] = TEMP_TO_REG(val);
834 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
835 data->temp_max[nr]);
9a61bf63 836 mutex_unlock(&data->update_lock);
1da177e4
LT		 837 return count;
838}
050480f1
YI		 839
840#define temp_reg(offset) \
cb01a231 841static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
050480f1
YI		 842 NULL, offset - 1); \
843static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
844 show_temp_min, set_temp_min, offset - 1); \
845static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
846 show_temp_max, set_temp_max, offset - 1);
1da177e4
LT		 847
848
849temp_reg(1);
850temp_reg(2);
851temp_reg(3);
852
050480f1
YI		 853static ssize_t show_temp_offset(struct device *dev,
854 struct device_attribute *attr, char *buf)
1da177e4 855{
050480f1
YI		 856 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
857 int nr = sensor_attr->index;
1da177e4 858 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 859 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1da177e4 860}
050480f1
YI		 861static ssize_t set_temp_offset(struct device *dev,
862 struct device_attribute *attr, const char *buf,
863 size_t count)
1da177e4 864{
050480f1
YI		 865 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
866 int nr = sensor_attr->index;
1da177e4
LT		 867 struct i2c_client *client = to_i2c_client(dev);
868 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 869 long val;
870 int err;
871
872 err = kstrtol(buf, 10, &val);
873 if (err)
874 return err;
1da177e4 875
9a61bf63 876 mutex_lock(&data->update_lock);
1da177e4
LT		 877 data->temp_offset[nr] = TEMP_TO_REG(val);
878 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
879 data->temp_offset[nr]);
9a61bf63 880 mutex_unlock(&data->update_lock);
1da177e4
LT		 881 return count;
882}
883
86aa3e22
GR		 884#define temp_offset_reg(offset) \
885static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
050480f1 886 show_temp_offset, set_temp_offset, offset - 1);
1da177e4
LT		 887
888temp_offset_reg(1);
889temp_offset_reg(2);
890temp_offset_reg(3);
891
050480f1
YI		 892static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
893 struct device_attribute *attr, char *buf)
1da177e4 894{
050480f1
YI		 895 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
896 int nr = sensor_attr->index;
1da177e4 897 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 898 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1da177e4
LT		 899 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
900}
050480f1
YI		 901static ssize_t show_temp_auto_point2_temp(struct device *dev,
902 struct device_attribute *attr, char *buf)
1da177e4 903{
050480f1
YI		 904 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
905 int nr = sensor_attr->index;
1da177e4 906 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 907 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1da177e4
LT		 908 ADM1026_FAN_CONTROL_TEMP_RANGE));
909}
050480f1
YI		 910static ssize_t show_temp_auto_point1_temp(struct device *dev,
911 struct device_attribute *attr, char *buf)
1da177e4 912{
050480f1
YI		 913 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
914 int nr = sensor_attr->index;
1da177e4 915 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 916 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1da177e4 917}
050480f1
YI		 918static ssize_t set_temp_auto_point1_temp(struct device *dev,
919 struct device_attribute *attr, const char *buf, size_t count)
1da177e4 920{
050480f1
YI		 921 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
922 int nr = sensor_attr->index;
1da177e4
LT		 923 struct i2c_client *client = to_i2c_client(dev);
924 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 925 long val;
926 int err;
927
928 err = kstrtol(buf, 10, &val);
929 if (err)
930 return err;
1da177e4 931
9a61bf63 932 mutex_lock(&data->update_lock);
1da177e4
LT		 933 data->temp_tmin[nr] = TEMP_TO_REG(val);
934 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
935 data->temp_tmin[nr]);
9a61bf63 936 mutex_unlock(&data->update_lock);
1da177e4
LT		 937 return count;
938}
939
cb01a231
JD		 940#define temp_auto_point(offset) \
941static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
942 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
943 set_temp_auto_point1_temp, offset - 1); \
944static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
945 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
946static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
050480f1 947 show_temp_auto_point2_temp, NULL, offset - 1);
1da177e4
LT		 948
949temp_auto_point(1);
950temp_auto_point(2);
951temp_auto_point(3);
952
050480f1
YI		 953static ssize_t show_temp_crit_enable(struct device *dev,
954 struct device_attribute *attr, char *buf)
1da177e4
LT		 955{
956 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 957 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1da177e4 958}
050480f1
YI		 959static ssize_t set_temp_crit_enable(struct device *dev,
960 struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 961{
962 struct i2c_client *client = to_i2c_client(dev);
963 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 964 unsigned long val;
965 int err;
966
967 err = kstrtoul(buf, 10, &val);
968 if (err)
969 return err;
970
971 if (val > 1)
972 return -EINVAL;
973
974 mutex_lock(&data->update_lock);
975 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
976 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
977 mutex_unlock(&data->update_lock);
1da177e4 978
1da177e4
LT		 979 return count;
980}
981
050480f1
YI		 982#define temp_crit_enable(offset) \
983static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1da177e4
LT		 984 show_temp_crit_enable, set_temp_crit_enable);
985
050480f1
YI		 986temp_crit_enable(1);
987temp_crit_enable(2);
988temp_crit_enable(3);
1da177e4 989
050480f1
YI		 990static ssize_t show_temp_crit(struct device *dev,
991 struct device_attribute *attr, char *buf)
1da177e4 992{
050480f1
YI		 993 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
994 int nr = sensor_attr->index;
1da177e4 995 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 996 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1da177e4 997}
050480f1
YI		 998static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
999 const char *buf, size_t count)
1da177e4 1000{
050480f1
YI		 1001 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1002 int nr = sensor_attr->index;
1da177e4
LT		 1003 struct i2c_client *client = to_i2c_client(dev);
1004 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1005 long val;
1006 int err;
1007
1008 err = kstrtol(buf, 10, &val);
1009 if (err)
1010 return err;
1da177e4 1011
9a61bf63 1012 mutex_lock(&data->update_lock);
1da177e4
LT		 1013 data->temp_crit[nr] = TEMP_TO_REG(val);
1014 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1015 data->temp_crit[nr]);
9a61bf63 1016 mutex_unlock(&data->update_lock);
1da177e4
LT		 1017 return count;
1018}
1019
050480f1
YI		 1020#define temp_crit_reg(offset) \
1021static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1022 show_temp_crit, set_temp_crit, offset - 1);
1da177e4
LT		 1023
1024temp_crit_reg(1);
1025temp_crit_reg(2);
1026temp_crit_reg(3);
1027
86aa3e22
GR		 1028static ssize_t show_analog_out_reg(struct device *dev,
1029 struct device_attribute *attr, char *buf)
1da177e4
LT		 1030{
1031 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1032 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1da177e4 1033}
86aa3e22
GR		 1034static ssize_t set_analog_out_reg(struct device *dev,
1035 struct device_attribute *attr,
1036 const char *buf, size_t count)
1da177e4
LT		 1037{
1038 struct i2c_client *client = to_i2c_client(dev);
1039 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1040 long val;
1041 int err;
1042
1043 err = kstrtol(buf, 10, &val);
1044 if (err)
1045 return err;
1da177e4 1046
9a61bf63 1047 mutex_lock(&data->update_lock);
1da177e4
LT		 1048 data->analog_out = DAC_TO_REG(val);
1049 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
9a61bf63 1050 mutex_unlock(&data->update_lock);
1da177e4
LT		 1051 return count;
1052}
1053
cb01a231 1054static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1da177e4
LT		 1055 set_analog_out_reg);
1056
86aa3e22
GR		 1057static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
1058 char *buf)
1da177e4
LT		 1059{
1060 struct adm1026_data *data = adm1026_update_device(dev);
a0cf354a
JD		 1061 int vid = (data->gpio >> 11) & 0x1f;
1062
1063 dev_dbg(dev, "Setting VID from GPIO11-15.\n");
1064 return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
1da177e4 1065}
86aa3e22 1066
937df8df 1067static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1da177e4 1068
86aa3e22
GR		 1069static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
1070 char *buf)
1da177e4 1071{
90d6619a 1072 struct adm1026_data *data = dev_get_drvdata(dev);
cb01a231 1073 return sprintf(buf, "%d\n", data->vrm);
1da177e4 1074}
86aa3e22
GR		 1075
1076static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
1077 const char *buf, size_t count)
1da177e4 1078{
f67fdabf 1079 struct adm1026_data *data = dev_get_drvdata(dev);
86aa3e22
GR		 1080 unsigned long val;
1081 int err;
1082
1083 err = kstrtoul(buf, 10, &val);
1084 if (err)
1085 return err;
1da177e4 1086
86aa3e22 1087 data->vrm = val;
1da177e4
LT		 1088 return count;
1089}
1090
1091static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1092
86aa3e22
GR		 1093static ssize_t show_alarms_reg(struct device *dev,
1094 struct device_attribute *attr, char *buf)
1da177e4
LT		 1095{
1096 struct adm1026_data *data = adm1026_update_device(dev);
f67fdabf 1097 return sprintf(buf, "%ld\n", data->alarms);
1da177e4
LT		 1098}
1099
1100static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1101
a9273cb8
JD		 1102static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1103 char *buf)
1104{
1105 struct adm1026_data *data = adm1026_update_device(dev);
1106 int bitnr = to_sensor_dev_attr(attr)->index;
1107 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1108}
1109
1110static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1111static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1112static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1113static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1114static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1115static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1116static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1117static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1118static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1119static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1120static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1121static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1122static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1123static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1124static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1125static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1126static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1127static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1128static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1129static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1130static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1131static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1132static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1133static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1134static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1135static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1136static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1137static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1138
86aa3e22
GR		 1139static ssize_t show_alarm_mask(struct device *dev,
1140 struct device_attribute *attr, char *buf)
1da177e4
LT		 1141{
1142 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1143 return sprintf(buf, "%ld\n", data->alarm_mask);
1da177e4 1144}
86aa3e22
GR		 1145static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
1146 const char *buf, size_t count)
1da177e4
LT		 1147{
1148 struct i2c_client *client = to_i2c_client(dev);
1149 struct adm1026_data *data = i2c_get_clientdata(client);
1da177e4 1150 unsigned long mask;
86aa3e22
GR		 1151 long val;
1152 int err;
1153
1154 err = kstrtol(buf, 10, &val);
1155 if (err)
1156 return err;
1da177e4 1157
9a61bf63 1158 mutex_lock(&data->update_lock);
1da177e4
LT		 1159 data->alarm_mask = val & 0x7fffffff;
1160 mask = data->alarm_mask
1161 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1162 adm1026_write_value(client, ADM1026_REG_MASK1,
1163 mask & 0xff);
1164 mask >>= 8;
1165 adm1026_write_value(client, ADM1026_REG_MASK2,
1166 mask & 0xff);
1167 mask >>= 8;
1168 adm1026_write_value(client, ADM1026_REG_MASK3,
1169 mask & 0xff);
1170 mask >>= 8;
1171 adm1026_write_value(client, ADM1026_REG_MASK4,
1172 mask & 0xff);
9a61bf63 1173 mutex_unlock(&data->update_lock);
1da177e4
LT		 1174 return count;
1175}
1176
1177static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1178 set_alarm_mask);
1179
1180
86aa3e22
GR		 1181static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
1182 char *buf)
1da177e4
LT		 1183{
1184 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1185 return sprintf(buf, "%ld\n", data->gpio);
1da177e4 1186}
86aa3e22
GR		 1187static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
1188 const char *buf, size_t count)
1da177e4
LT		 1189{
1190 struct i2c_client *client = to_i2c_client(dev);
1191 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1192 long gpio;
86aa3e22
GR		 1193 long val;
1194 int err;
1195
1196 err = kstrtol(buf, 10, &val);
1197 if (err)
1198 return err;
1da177e4 1199
9a61bf63 1200 mutex_lock(&data->update_lock);
1da177e4
LT		 1201 data->gpio = val & 0x1ffff;
1202 gpio = data->gpio;
cb01a231 1203 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1da177e4 1204 gpio >>= 8;
cb01a231 1205 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1da177e4 1206 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
cb01a231 1207 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
9a61bf63 1208 mutex_unlock(&data->update_lock);
1da177e4
LT		 1209 return count;
1210}
1211
1212static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1213
86aa3e22
GR		 1214static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
1215 char *buf)
1da177e4
LT		 1216{
1217 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1218 return sprintf(buf, "%ld\n", data->gpio_mask);
1da177e4 1219}
86aa3e22
GR		 1220static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
1221 const char *buf, size_t count)
1da177e4
LT		 1222{
1223 struct i2c_client *client = to_i2c_client(dev);
1224 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1225 long mask;
86aa3e22
GR		 1226 long val;
1227 int err;
1228
1229 err = kstrtol(buf, 10, &val);
1230 if (err)
1231 return err;
1da177e4 1232
9a61bf63 1233 mutex_lock(&data->update_lock);
1da177e4
LT		 1234 data->gpio_mask = val & 0x1ffff;
1235 mask = data->gpio_mask;
cb01a231 1236 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1da177e4 1237 mask >>= 8;
cb01a231 1238 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1da177e4 1239 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
cb01a231 1240 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
9a61bf63 1241 mutex_unlock(&data->update_lock);
1da177e4
LT		 1242 return count;
1243}
1244
1245static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1246
86aa3e22
GR		 1247static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
1248 char *buf)
1da177e4
LT		 1249{
1250 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1251 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1da177e4 1252}
86aa3e22
GR		 1253
1254static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
1255 const char *buf, size_t count)
1da177e4
LT		 1256{
1257 struct i2c_client *client = to_i2c_client(dev);
1258 struct adm1026_data *data = i2c_get_clientdata(client);
1259
1260 if (data->pwm1.enable == 1) {
86aa3e22
GR		 1261 long val;
1262 int err;
1263
1264 err = kstrtol(buf, 10, &val);
1265 if (err)
1266 return err;
1da177e4 1267
9a61bf63 1268 mutex_lock(&data->update_lock);
1da177e4
LT		 1269 data->pwm1.pwm = PWM_TO_REG(val);
1270 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
9a61bf63 1271 mutex_unlock(&data->update_lock);
1da177e4
LT		 1272 }
1273 return count;
1274}
86aa3e22
GR		 1275
1276static ssize_t show_auto_pwm_min(struct device *dev,
1277 struct device_attribute *attr, char *buf)
1da177e4
LT		 1278{
1279 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1280 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1da177e4 1281}
86aa3e22
GR		 1282
1283static ssize_t set_auto_pwm_min(struct device *dev,
1284 struct device_attribute *attr, const char *buf,
1285 size_t count)
1da177e4
LT		 1286{
1287 struct i2c_client *client = to_i2c_client(dev);
1288 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1289 unsigned long val;
1290 int err;
1291
1292 err = kstrtoul(buf, 10, &val);
1293 if (err)
1294 return err;
1da177e4 1295
9a61bf63 1296 mutex_lock(&data->update_lock);
2a844c14 1297 data->pwm1.auto_pwm_min = clamp_val(val, 0, 255);
1da177e4
LT		 1298 if (data->pwm1.enable == 2) { /* apply immediately */
1299 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
cb01a231 1300 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1da177e4
LT		 1301 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1302 }
9a61bf63 1303 mutex_unlock(&data->update_lock);
1da177e4
LT		 1304 return count;
1305}
86aa3e22
GR		 1306
1307static ssize_t show_auto_pwm_max(struct device *dev,
1308 struct device_attribute *attr, char *buf)
1da177e4 1309{
cb01a231 1310 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1da177e4 1311}
86aa3e22
GR		 1312
1313static ssize_t show_pwm_enable(struct device *dev,
1314 struct device_attribute *attr, char *buf)
1da177e4
LT		 1315{
1316 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1317 return sprintf(buf, "%d\n", data->pwm1.enable);
1da177e4 1318}
86aa3e22
GR		 1319
1320static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
1321 const char *buf, size_t count)
1da177e4
LT		 1322{
1323 struct i2c_client *client = to_i2c_client(dev);
1324 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1325 int old_enable;
86aa3e22
GR		 1326 unsigned long val;
1327 int err;
1da177e4 1328
86aa3e22
GR		 1329 err = kstrtoul(buf, 10, &val);
1330 if (err)
1331 return err;
1332
1333 if (val >= 3)
1334 return -EINVAL;
1335
1336 mutex_lock(&data->update_lock);
1337 old_enable = data->pwm1.enable;
1338 data->pwm1.enable = val;
1339 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1340 | ((val == 2) ? CFG1_PWM_AFC : 0);
1341 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1342 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1343 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1344 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1345 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1346 } else if (!((old_enable == 1) && (val == 1))) {
1347 /* set pwm to safe value */
1348 data->pwm1.pwm = 255;
1349 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1da177e4 1350 }
86aa3e22
GR		 1351 mutex_unlock(&data->update_lock);
1352
1da177e4
LT		 1353 return count;
1354}
1355
1356/* enable PWM fan control */
cb01a231
JD		 1357static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1358static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1359static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1360static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1361 set_pwm_enable);
cb01a231 1362static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1363 set_pwm_enable);
cb01a231 1364static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1365 set_pwm_enable);
cb01a231 1366static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1367 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1368static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1369 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1370static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4
LT		 1371 show_auto_pwm_min, set_auto_pwm_min);
1372
1373static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1374static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1375static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1376
681c6f7a
MH		 1377static struct attribute *adm1026_attributes[] = {
1378 &sensor_dev_attr_in0_input.dev_attr.attr,
1379 &sensor_dev_attr_in0_max.dev_attr.attr,
1380 &sensor_dev_attr_in0_min.dev_attr.attr,
a9273cb8 1381 &sensor_dev_attr_in0_alarm.dev_attr.attr,
681c6f7a
MH		 1382 &sensor_dev_attr_in1_input.dev_attr.attr,
1383 &sensor_dev_attr_in1_max.dev_attr.attr,
1384 &sensor_dev_attr_in1_min.dev_attr.attr,
a9273cb8 1385 &sensor_dev_attr_in1_alarm.dev_attr.attr,
681c6f7a
MH		 1386 &sensor_dev_attr_in2_input.dev_attr.attr,
1387 &sensor_dev_attr_in2_max.dev_attr.attr,
1388 &sensor_dev_attr_in2_min.dev_attr.attr,
a9273cb8 1389 &sensor_dev_attr_in2_alarm.dev_attr.attr,
681c6f7a
MH		 1390 &sensor_dev_attr_in3_input.dev_attr.attr,
1391 &sensor_dev_attr_in3_max.dev_attr.attr,
1392 &sensor_dev_attr_in3_min.dev_attr.attr,
a9273cb8 1393 &sensor_dev_attr_in3_alarm.dev_attr.attr,
681c6f7a
MH		 1394 &sensor_dev_attr_in4_input.dev_attr.attr,
1395 &sensor_dev_attr_in4_max.dev_attr.attr,
1396 &sensor_dev_attr_in4_min.dev_attr.attr,
a9273cb8 1397 &sensor_dev_attr_in4_alarm.dev_attr.attr,
681c6f7a
MH		 1398 &sensor_dev_attr_in5_input.dev_attr.attr,
1399 &sensor_dev_attr_in5_max.dev_attr.attr,
1400 &sensor_dev_attr_in5_min.dev_attr.attr,
a9273cb8 1401 &sensor_dev_attr_in5_alarm.dev_attr.attr,
681c6f7a
MH		 1402 &sensor_dev_attr_in6_input.dev_attr.attr,
1403 &sensor_dev_attr_in6_max.dev_attr.attr,
1404 &sensor_dev_attr_in6_min.dev_attr.attr,
a9273cb8 1405 &sensor_dev_attr_in6_alarm.dev_attr.attr,
681c6f7a
MH		 1406 &sensor_dev_attr_in7_input.dev_attr.attr,
1407 &sensor_dev_attr_in7_max.dev_attr.attr,
1408 &sensor_dev_attr_in7_min.dev_attr.attr,
a9273cb8 1409 &sensor_dev_attr_in7_alarm.dev_attr.attr,
681c6f7a
MH		 1410 &sensor_dev_attr_in10_input.dev_attr.attr,
1411 &sensor_dev_attr_in10_max.dev_attr.attr,
1412 &sensor_dev_attr_in10_min.dev_attr.attr,
a9273cb8 1413 &sensor_dev_attr_in10_alarm.dev_attr.attr,
681c6f7a
MH		 1414 &sensor_dev_attr_in11_input.dev_attr.attr,
1415 &sensor_dev_attr_in11_max.dev_attr.attr,
1416 &sensor_dev_attr_in11_min.dev_attr.attr,
a9273cb8 1417 &sensor_dev_attr_in11_alarm.dev_attr.attr,
681c6f7a
MH		 1418 &sensor_dev_attr_in12_input.dev_attr.attr,
1419 &sensor_dev_attr_in12_max.dev_attr.attr,
1420 &sensor_dev_attr_in12_min.dev_attr.attr,
a9273cb8 1421 &sensor_dev_attr_in12_alarm.dev_attr.attr,
681c6f7a
MH		 1422 &sensor_dev_attr_in13_input.dev_attr.attr,
1423 &sensor_dev_attr_in13_max.dev_attr.attr,
1424 &sensor_dev_attr_in13_min.dev_attr.attr,
a9273cb8 1425 &sensor_dev_attr_in13_alarm.dev_attr.attr,
681c6f7a
MH		 1426 &sensor_dev_attr_in14_input.dev_attr.attr,
1427 &sensor_dev_attr_in14_max.dev_attr.attr,
1428 &sensor_dev_attr_in14_min.dev_attr.attr,
a9273cb8 1429 &sensor_dev_attr_in14_alarm.dev_attr.attr,
681c6f7a
MH		 1430 &sensor_dev_attr_in15_input.dev_attr.attr,
1431 &sensor_dev_attr_in15_max.dev_attr.attr,
1432 &sensor_dev_attr_in15_min.dev_attr.attr,
a9273cb8 1433 &sensor_dev_attr_in15_alarm.dev_attr.attr,
681c6f7a
MH		 1434 &sensor_dev_attr_in16_input.dev_attr.attr,
1435 &sensor_dev_attr_in16_max.dev_attr.attr,
1436 &sensor_dev_attr_in16_min.dev_attr.attr,
a9273cb8 1437 &sensor_dev_attr_in16_alarm.dev_attr.attr,
681c6f7a
MH		 1438 &sensor_dev_attr_fan1_input.dev_attr.attr,
1439 &sensor_dev_attr_fan1_div.dev_attr.attr,
1440 &sensor_dev_attr_fan1_min.dev_attr.attr,
a9273cb8 1441 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
681c6f7a
MH		 1442 &sensor_dev_attr_fan2_input.dev_attr.attr,
1443 &sensor_dev_attr_fan2_div.dev_attr.attr,
1444 &sensor_dev_attr_fan2_min.dev_attr.attr,
a9273cb8 1445 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
681c6f7a
MH		 1446 &sensor_dev_attr_fan3_input.dev_attr.attr,
1447 &sensor_dev_attr_fan3_div.dev_attr.attr,
1448 &sensor_dev_attr_fan3_min.dev_attr.attr,
a9273cb8 1449 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
681c6f7a
MH		 1450 &sensor_dev_attr_fan4_input.dev_attr.attr,
1451 &sensor_dev_attr_fan4_div.dev_attr.attr,
1452 &sensor_dev_attr_fan4_min.dev_attr.attr,
a9273cb8 1453 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
681c6f7a
MH		 1454 &sensor_dev_attr_fan5_input.dev_attr.attr,
1455 &sensor_dev_attr_fan5_div.dev_attr.attr,
1456 &sensor_dev_attr_fan5_min.dev_attr.attr,
a9273cb8 1457 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
681c6f7a
MH		 1458 &sensor_dev_attr_fan6_input.dev_attr.attr,
1459 &sensor_dev_attr_fan6_div.dev_attr.attr,
1460 &sensor_dev_attr_fan6_min.dev_attr.attr,
a9273cb8 1461 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
681c6f7a
MH		 1462 &sensor_dev_attr_fan7_input.dev_attr.attr,
1463 &sensor_dev_attr_fan7_div.dev_attr.attr,
1464 &sensor_dev_attr_fan7_min.dev_attr.attr,
a9273cb8 1465 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
681c6f7a
MH		 1466 &sensor_dev_attr_fan8_input.dev_attr.attr,
1467 &sensor_dev_attr_fan8_div.dev_attr.attr,
1468 &sensor_dev_attr_fan8_min.dev_attr.attr,
a9273cb8 1469 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
681c6f7a
MH		 1470 &sensor_dev_attr_temp1_input.dev_attr.attr,
1471 &sensor_dev_attr_temp1_max.dev_attr.attr,
1472 &sensor_dev_attr_temp1_min.dev_attr.attr,
a9273cb8 1473 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
681c6f7a
MH		 1474 &sensor_dev_attr_temp2_input.dev_attr.attr,
1475 &sensor_dev_attr_temp2_max.dev_attr.attr,
1476 &sensor_dev_attr_temp2_min.dev_attr.attr,
a9273cb8 1477 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
681c6f7a
MH		 1478 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1479 &sensor_dev_attr_temp2_offset.dev_attr.attr,
681c6f7a
MH		 1480 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1481 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
681c6f7a
MH		 1482 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1483 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
681c6f7a
MH		 1484 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1485 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
681c6f7a
MH		 1486 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1487 &sensor_dev_attr_temp2_crit.dev_attr.attr,
681c6f7a
MH		 1488 &dev_attr_temp1_crit_enable.attr,
1489 &dev_attr_temp2_crit_enable.attr,
681c6f7a
MH		 1490 &dev_attr_cpu0_vid.attr,
1491 &dev_attr_vrm.attr,
1492 &dev_attr_alarms.attr,
1493 &dev_attr_alarm_mask.attr,
1494 &dev_attr_gpio.attr,
1495 &dev_attr_gpio_mask.attr,
1496 &dev_attr_pwm1.attr,
1497 &dev_attr_pwm2.attr,
1498 &dev_attr_pwm3.attr,
1499 &dev_attr_pwm1_enable.attr,
1500 &dev_attr_pwm2_enable.attr,
1501 &dev_attr_pwm3_enable.attr,
1502 &dev_attr_temp1_auto_point1_pwm.attr,
1503 &dev_attr_temp2_auto_point1_pwm.attr,
681c6f7a
MH		 1504 &dev_attr_temp1_auto_point2_pwm.attr,
1505 &dev_attr_temp2_auto_point2_pwm.attr,
681c6f7a
MH		 1506 &dev_attr_analog_out.attr,
1507 NULL
1508};
1509
1510static const struct attribute_group adm1026_group = {
1511 .attrs = adm1026_attributes,
1512};
1513
5b34dbcd
JD		 1514static struct attribute *adm1026_attributes_temp3[] = {
1515 &sensor_dev_attr_temp3_input.dev_attr.attr,
1516 &sensor_dev_attr_temp3_max.dev_attr.attr,
1517 &sensor_dev_attr_temp3_min.dev_attr.attr,
1518 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1519 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1520 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1521 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1522 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1523 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1524 &dev_attr_temp3_crit_enable.attr,
1525 &dev_attr_temp3_auto_point1_pwm.attr,
1526 &dev_attr_temp3_auto_point2_pwm.attr,
1d5f2c16 1527 NULL
5b34dbcd
JD		 1528};
1529
1530static const struct attribute_group adm1026_group_temp3 = {
1531 .attrs = adm1026_attributes_temp3,
1532};
1533
1534static struct attribute *adm1026_attributes_in8_9[] = {
1535 &sensor_dev_attr_in8_input.dev_attr.attr,
1536 &sensor_dev_attr_in8_max.dev_attr.attr,
1537 &sensor_dev_attr_in8_min.dev_attr.attr,
1538 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1539 &sensor_dev_attr_in9_input.dev_attr.attr,
1540 &sensor_dev_attr_in9_max.dev_attr.attr,
1541 &sensor_dev_attr_in9_min.dev_attr.attr,
1542 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1d5f2c16 1543 NULL
5b34dbcd
JD		 1544};
1545
1546static const struct attribute_group adm1026_group_in8_9 = {
1547 .attrs = adm1026_attributes_in8_9,
1548};
1549
57f7eb0b 1550/* Return 0 if detection is successful, -ENODEV otherwise */
310ec792 1551static int adm1026_detect(struct i2c_client *client,
57f7eb0b 1552 struct i2c_board_info *info)
1da177e4 1553{
57f7eb0b
JD		 1554 struct i2c_adapter *adapter = client->adapter;
1555 int address = client->addr;
1da177e4 1556 int company, verstep;
1da177e4
LT		 1557
1558 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1559 /* We need to be able to do byte I/O */
57f7eb0b 1560 return -ENODEV;
a0393713 1561 }
1da177e4 1562
1da177e4
LT		 1563 /* Now, we do the remaining detection. */
1564
f67fdabf
JD		 1565 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1566 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1da177e4 1567
b55f3757
GR		 1568 dev_dbg(&adapter->dev,
1569 "Detecting device at %d,0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
f67fdabf 1570 i2c_adapter_id(client->adapter), client->addr,
1da177e4
LT		 1571 company, verstep);
1572
52df6440
JD		 1573 /* Determine the chip type. */
1574 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
1575 i2c_adapter_id(adapter), address);
1576 if (company == ADM1026_COMPANY_ANALOG_DEV
1577 && verstep == ADM1026_VERSTEP_ADM1026) {
1578 /* Analog Devices ADM1026 */
1579 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1580 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
b55f3757
GR		 1581 dev_err(&adapter->dev,
1582 "Unrecognized stepping 0x%02x. Defaulting to ADM1026.\n",
1583 verstep);
52df6440 1584 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
b55f3757
GR		 1585 dev_err(&adapter->dev,
1586 "Found version/stepping 0x%02x. Assuming generic ADM1026.\n",
52df6440
JD		 1587 verstep);
1588 } else {
1589 dev_dbg(&adapter->dev, "Autodetection failed\n");
1590 /* Not an ADM1026... */
1591 return -ENODEV;
1da177e4 1592 }
52df6440 1593
57f7eb0b 1594 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
1da177e4 1595
57f7eb0b
JD		 1596 return 0;
1597}
1598
97df5566
AL		 1599static void adm1026_print_gpio(struct i2c_client *client)
1600{
1601 struct adm1026_data *data = i2c_get_clientdata(client);
1602 int i;
1603
1604 dev_dbg(&client->dev, "GPIO config is:\n");
1605 for (i = 0; i <= 7; ++i) {
1606 if (data->config2 & (1 << i)) {
1607 dev_dbg(&client->dev, "\t%sGP%s%d\n",
1608 data->gpio_config[i] & 0x02 ? "" : "!",
1609 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
1610 i);
1611 } else {
1612 dev_dbg(&client->dev, "\tFAN%d\n", i);
1613 }
1614 }
1615 for (i = 8; i <= 15; ++i) {
1616 dev_dbg(&client->dev, "\t%sGP%s%d\n",
1617 data->gpio_config[i] & 0x02 ? "" : "!",
1618 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
1619 i);
1620 }
1621 if (data->config3 & CFG3_GPIO16_ENABLE) {
1622 dev_dbg(&client->dev, "\t%sGP%s16\n",
1623 data->gpio_config[16] & 0x02 ? "" : "!",
1624 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
1625 } else {
1626 /* GPIO16 is THERM */
1627 dev_dbg(&client->dev, "\tTHERM\n");
1628 }
1629}
1630
1631static void adm1026_fixup_gpio(struct i2c_client *client)
1632{
1633 struct adm1026_data *data = i2c_get_clientdata(client);
1634 int i;
1635 int value;
1636
1637 /* Make the changes requested. */
1638 /*
1639 * We may need to unlock/stop monitoring or soft-reset the
1640 * chip before we can make changes. This hasn't been
1641 * tested much. FIXME
1642 */
1643
1644 /* Make outputs */
1645 for (i = 0; i <= 16; ++i) {
1646 if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
1647 data->gpio_config[gpio_output[i]] |= 0x01;
1648 /* if GPIO0-7 is output, it isn't a FAN tach */
1649 if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
1650 data->config2 |= 1 << gpio_output[i];
1651 }
1652
1653 /* Input overrides output */
1654 for (i = 0; i <= 16; ++i) {
1655 if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
1656 data->gpio_config[gpio_input[i]] &= ~0x01;
1657 /* if GPIO0-7 is input, it isn't a FAN tach */
1658 if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
1659 data->config2 |= 1 << gpio_input[i];
1660 }
1661
1662 /* Inverted */
1663 for (i = 0; i <= 16; ++i) {
1664 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
1665 data->gpio_config[gpio_inverted[i]] &= ~0x02;
1666 }
1667
1668 /* Normal overrides inverted */
1669 for (i = 0; i <= 16; ++i) {
1670 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
1671 data->gpio_config[gpio_normal[i]] |= 0x02;
1672 }
1673
1674 /* Fan overrides input and output */
1675 for (i = 0; i <= 7; ++i) {
1676 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
1677 data->config2 &= ~(1 << gpio_fan[i]);
1678 }
1679
1680 /* Write new configs to registers */
1681 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
1682 data->config3 = (data->config3 & 0x3f)
1683 | ((data->gpio_config[16] & 0x03) << 6);
1684 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
1685 for (i = 15, value = 0; i >= 0; --i) {
1686 value <<= 2;
1687 value |= data->gpio_config[i] & 0x03;
1688 if ((i & 0x03) == 0) {
1689 adm1026_write_value(client,
1690 ADM1026_REG_GPIO_CFG_0_3 + i/4,
1691 value);
1692 value = 0;
1693 }
1694 }
1695
1696 /* Print the new config */
1697 adm1026_print_gpio(client);
1698}
1699
1700static void adm1026_init_client(struct i2c_client *client)
1701{
1702 int value, i;
1703 struct adm1026_data *data = i2c_get_clientdata(client);
1704
1705 dev_dbg(&client->dev, "Initializing device\n");
1706 /* Read chip config */
1707 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
1708 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
1709 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
1710
1711 /* Inform user of chip config */
1712 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
1713 data->config1);
1714 if ((data->config1 & CFG1_MONITOR) == 0) {
1715 dev_dbg(&client->dev,
1716 "Monitoring not currently enabled.\n");
1717 }
1718 if (data->config1 & CFG1_INT_ENABLE) {
1719 dev_dbg(&client->dev,
1720 "SMBALERT interrupts are enabled.\n");
1721 }
1722 if (data->config1 & CFG1_AIN8_9) {
1723 dev_dbg(&client->dev,
1724 "in8 and in9 enabled. temp3 disabled.\n");
1725 } else {
1726 dev_dbg(&client->dev,
1727 "temp3 enabled. in8 and in9 disabled.\n");
1728 }
1729 if (data->config1 & CFG1_THERM_HOT) {
1730 dev_dbg(&client->dev,
1731 "Automatic THERM, PWM, and temp limits enabled.\n");
1732 }
1733
1734 if (data->config3 & CFG3_GPIO16_ENABLE) {
1735 dev_dbg(&client->dev,
1736 "GPIO16 enabled. THERM pin disabled.\n");
1737 } else {
1738 dev_dbg(&client->dev,
1739 "THERM pin enabled. GPIO16 disabled.\n");
1740 }
1741 if (data->config3 & CFG3_VREF_250)
1742 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
1743 else
1744 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
1745 /* Read and pick apart the existing GPIO configuration */
1746 value = 0;
1747 for (i = 0; i <= 15; ++i) {
1748 if ((i & 0x03) == 0) {
1749 value = adm1026_read_value(client,
1750 ADM1026_REG_GPIO_CFG_0_3 + i / 4);
1751 }
1752 data->gpio_config[i] = value & 0x03;
1753 value >>= 2;
1754 }
1755 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
1756
1757 /* ... and then print it */
1758 adm1026_print_gpio(client);
1759
1760 /*
1761 * If the user asks us to reprogram the GPIO config, then
1762 * do it now.
1763 */
1764 if (gpio_input[0] != -1 || gpio_output[0] != -1
1765 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
1766 || gpio_fan[0] != -1) {
1767 adm1026_fixup_gpio(client);
1768 }
1769
1770 /*
1771 * WE INTENTIONALLY make no changes to the limits,
1772 * offsets, pwms, fans and zones. If they were
1773 * configured, we don't want to mess with them.
1774 * If they weren't, the default is 100% PWM, no
1775 * control and will suffice until 'sensors -s'
1776 * can be run by the user. We DO set the default
1777 * value for pwm1.auto_pwm_min to its maximum
1778 * so that enabling automatic pwm fan control
1779 * without first setting a value for pwm1.auto_pwm_min
1780 * will not result in potentially dangerous fan speed decrease.
1781 */
1782 data->pwm1.auto_pwm_min = 255;
1783 /* Start monitoring */
1784 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
1785 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
1786 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
1787 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
1788 data->config1 = value;
1789 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
1790
1791 /* initialize fan_div[] to hardware defaults */
1792 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
1793 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
1794 for (i = 0; i <= 7; ++i) {
1795 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
1796 value >>= 2;
1797 }
1798}
1799
57f7eb0b
JD		 1800static int adm1026_probe(struct i2c_client *client,
1801 const struct i2c_device_id *id)
1802{
1803 struct adm1026_data *data;
1804 int err;
1805
3421e212
GR		 1806 data = devm_kzalloc(&client->dev, sizeof(struct adm1026_data),
1807 GFP_KERNEL);
1808 if (!data)
1809 return -ENOMEM;
1da177e4 1810
57f7eb0b 1811 i2c_set_clientdata(client, data);
9a61bf63 1812 mutex_init(&data->update_lock);
1da177e4 1813
1da177e4 1814 /* Set the VRM version */
303760b4 1815 data->vrm = vid_which_vrm();
1da177e4
LT		 1816
1817 /* Initialize the ADM1026 chip */
f67fdabf 1818 adm1026_init_client(client);
1da177e4
LT		 1819
1820 /* Register sysfs hooks */
86aa3e22
GR		 1821 err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
1822 if (err)
3421e212 1823 return err;
5b34dbcd
JD		 1824 if (data->config1 & CFG1_AIN8_9)
1825 err = sysfs_create_group(&client->dev.kobj,
1826 &adm1026_group_in8_9);
1827 else
1828 err = sysfs_create_group(&client->dev.kobj,
1829 &adm1026_group_temp3);
1830 if (err)
1831 goto exitremove;
681c6f7a 1832
f67fdabf 1833 data->hwmon_dev = hwmon_device_register(&client->dev);
1beeffe4
TJ		 1834 if (IS_ERR(data->hwmon_dev)) {
1835 err = PTR_ERR(data->hwmon_dev);
681c6f7a 1836 goto exitremove;
943b0830
MH		 1837 }
1838
1da177e4
LT		 1839 return 0;
1840
1841 /* Error out and cleanup code */
681c6f7a 1842exitremove:
f67fdabf 1843 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1844 if (data->config1 & CFG1_AIN8_9)
1845 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1846 else
1847 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1da177e4
LT		 1848 return err;
1849}
681c6f7a 1850
57f7eb0b 1851static int adm1026_remove(struct i2c_client *client)
681c6f7a
MH		 1852{
1853 struct adm1026_data *data = i2c_get_clientdata(client);
1beeffe4 1854 hwmon_device_unregister(data->hwmon_dev);
681c6f7a 1855 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1856 if (data->config1 & CFG1_AIN8_9)
1857 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1858 else
1859 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
681c6f7a
MH		 1860 return 0;
1861}
1862
97df5566
AL		 1863static const struct i2c_device_id adm1026_id[] = {
1864 { "adm1026", 0 },
1865 { }
1866};
1867MODULE_DEVICE_TABLE(i2c, adm1026_id);
1868
1869static struct i2c_driver adm1026_driver = {
1870 .class = I2C_CLASS_HWMON,
1871 .driver = {
1872 .name = "adm1026",
1873 },
1874 .probe = adm1026_probe,
1875 .remove = adm1026_remove,
1876 .id_table = adm1026_id,
1877 .detect = adm1026_detect,
1878 .address_list = normal_i2c,
1879};
1880
f0967eea 1881module_i2c_driver(adm1026_driver);
1da177e4
LT		 1882
1883MODULE_LICENSE("GPL");
1884MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
cb01a231 1885 "Justin Thiessen <jthiessen@penguincomputing.com>");
1da177e4 1886MODULE_DESCRIPTION("ADM1026 driver");
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