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Merge tag 'mvebu_fixes_for_v3.8' of git://git.infradead.org/users/jcooper/linux into...
[linux-2.6-block.git] / drivers / hwmon / adm1026.c
CommitLineData
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);
52MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
1da177e4 53 "outputs");
cb01a231
JD		 54module_param_array(gpio_inverted, int, NULL, 0);
55MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
1da177e4 56 "inverted");
cb01a231
JD		 57module_param_array(gpio_normal, int, NULL, 0);
58MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
1da177e4 59 "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
JD		 199#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
200#define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
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 : \
86aa3e22
GR		 210 SENSORS_LIMIT(1350000 / ((val) * (div)), \
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 */
86aa3e22
GR		 218#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
219 / 1000, -127, 127))
1da177e4 220#define TEMP_FROM_REG(val) ((val) * 1000)
86aa3e22
GR		 221#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
222 / 1000, -127, 127))
1da177e4
LT		 223#define OFFSET_FROM_REG(val) ((val) * 1000)
224
cb01a231 225#define PWM_TO_REG(val) (SENSORS_LIMIT(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 */
86aa3e22
GR		 236#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255))
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
57f7eb0b
JD		 301static int adm1026_probe(struct i2c_client *client,
302 const struct i2c_device_id *id);
310ec792 303static int adm1026_detect(struct i2c_client *client,
57f7eb0b
JD		 304 struct i2c_board_info *info);
305static int adm1026_remove(struct i2c_client *client);
f6c27fc1
DJ		 306static int adm1026_read_value(struct i2c_client *client, u8 reg);
307static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
1da177e4 308static void adm1026_print_gpio(struct i2c_client *client);
cb01a231 309static void adm1026_fixup_gpio(struct i2c_client *client);
1da177e4
LT		 310static struct adm1026_data *adm1026_update_device(struct device *dev);
311static void adm1026_init_client(struct i2c_client *client);
312
313
57f7eb0b 314static const struct i2c_device_id adm1026_id[] = {
1f86df49 315 { "adm1026", 0 },
57f7eb0b
JD		 316 { }
317};
318MODULE_DEVICE_TABLE(i2c, adm1026_id);
319
1da177e4 320static struct i2c_driver adm1026_driver = {
57f7eb0b 321 .class = I2C_CLASS_HWMON,
cdaf7934 322 .driver = {
cdaf7934
LR		 323 .name = "adm1026",
324 },
57f7eb0b
JD		 325 .probe = adm1026_probe,
326 .remove = adm1026_remove,
327 .id_table = adm1026_id,
328 .detect = adm1026_detect,
c3813d6a 329 .address_list = normal_i2c,
1da177e4
LT		 330};
331
c49efcef 332static int adm1026_read_value(struct i2c_client *client, u8 reg)
1da177e4
LT		 333{
334 int res;
335
336 if (reg < 0x80) {
337 /* "RAM" locations */
338 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
339 } else {
340 /* EEPROM, do nothing */
341 res = 0;
342 }
343 return res;
344}
345
c49efcef 346static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
1da177e4
LT		 347{
348 int res;
349
350 if (reg < 0x80) {
351 /* "RAM" locations */
352 res = i2c_smbus_write_byte_data(client, reg, value);
353 } else {
354 /* EEPROM, do nothing */
355 res = 0;
356 }
357 return res;
358}
359
c49efcef 360static void adm1026_init_client(struct i2c_client *client)
1da177e4
LT		 361{
362 int value, i;
363 struct adm1026_data *data = i2c_get_clientdata(client);
364
cb01a231 365 dev_dbg(&client->dev, "Initializing device\n");
1da177e4
LT		 366 /* Read chip config */
367 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
368 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
369 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
370
371 /* Inform user of chip config */
372 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
373 data->config1);
374 if ((data->config1 & CFG1_MONITOR) == 0) {
375 dev_dbg(&client->dev, "Monitoring not currently "
376 "enabled.\n");
377 }
378 if (data->config1 & CFG1_INT_ENABLE) {
379 dev_dbg(&client->dev, "SMBALERT interrupts are "
380 "enabled.\n");
381 }
382 if (data->config1 & CFG1_AIN8_9) {
383 dev_dbg(&client->dev, "in8 and in9 enabled. "
384 "temp3 disabled.\n");
385 } else {
386 dev_dbg(&client->dev, "temp3 enabled. in8 and "
387 "in9 disabled.\n");
388 }
389 if (data->config1 & CFG1_THERM_HOT) {
390 dev_dbg(&client->dev, "Automatic THERM, PWM, "
391 "and temp limits enabled.\n");
392 }
393
1da177e4 394 if (data->config3 & CFG3_GPIO16_ENABLE) {
368609c5 395 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
1da177e4
LT		 396 "pin disabled.\n");
397 } else {
398 dev_dbg(&client->dev, "THERM pin enabled. "
399 "GPIO16 disabled.\n");
400 }
86aa3e22 401 if (data->config3 & CFG3_VREF_250)
1da177e4 402 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
86aa3e22 403 else
1da177e4 404 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
1da177e4
LT		 405 /* Read and pick apart the existing GPIO configuration */
406 value = 0;
86aa3e22 407 for (i = 0; i <= 15; ++i) {
1da177e4
LT		 408 if ((i & 0x03) == 0) {
409 value = adm1026_read_value(client,
86aa3e22 410 ADM1026_REG_GPIO_CFG_0_3 + i / 4);
1da177e4
LT		 411 }
412 data->gpio_config[i] = value & 0x03;
413 value >>= 2;
414 }
415 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
416
417 /* ... and then print it */
418 adm1026_print_gpio(client);
419
86aa3e22
GR		 420 /*
421 * If the user asks us to reprogram the GPIO config, then
1da177e4
LT		 422 * do it now.
423 */
424 if (gpio_input[0] != -1 || gpio_output[0] != -1
425 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
426 || gpio_fan[0] != -1) {
427 adm1026_fixup_gpio(client);
428 }
429
86aa3e22
GR		 430 /*
431 * WE INTENTIONALLY make no changes to the limits,
1da177e4
LT		 432 * offsets, pwms, fans and zones. If they were
433 * configured, we don't want to mess with them.
434 * If they weren't, the default is 100% PWM, no
435 * control and will suffice until 'sensors -s'
cb01a231 436 * can be run by the user. We DO set the default
1da177e4
LT		 437 * value for pwm1.auto_pwm_min to its maximum
438 * so that enabling automatic pwm fan control
cb01a231 439 * without first setting a value for pwm1.auto_pwm_min
1da177e4
LT		 440 * will not result in potentially dangerous fan speed decrease.
441 */
86aa3e22 442 data->pwm1.auto_pwm_min = 255;
1da177e4
LT		 443 /* Start monitoring */
444 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
445 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
446 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
447 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
448 data->config1 = value;
449 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
450
451 /* initialize fan_div[] to hardware defaults */
452 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
453 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
86aa3e22 454 for (i = 0; i <= 7; ++i) {
1da177e4
LT		 455 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
456 value >>= 2;
457 }
458}
459
c49efcef 460static void adm1026_print_gpio(struct i2c_client *client)
1da177e4
LT		 461{
462 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 463 int i;
1da177e4 464
885fe4b1 465 dev_dbg(&client->dev, "GPIO config is:\n");
86aa3e22 466 for (i = 0; i <= 7; ++i) {
1da177e4
LT		 467 if (data->config2 & (1 << i)) {
468 dev_dbg(&client->dev, "\t%sGP%s%d\n",
469 data->gpio_config[i] & 0x02 ? "" : "!",
470 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
471 i);
472 } else {
473 dev_dbg(&client->dev, "\tFAN%d\n", i);
474 }
475 }
86aa3e22 476 for (i = 8; i <= 15; ++i) {
1da177e4
LT		 477 dev_dbg(&client->dev, "\t%sGP%s%d\n",
478 data->gpio_config[i] & 0x02 ? "" : "!",
479 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
480 i);
481 }
482 if (data->config3 & CFG3_GPIO16_ENABLE) {
483 dev_dbg(&client->dev, "\t%sGP%s16\n",
484 data->gpio_config[16] & 0x02 ? "" : "!",
485 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
486 } else {
cb01a231 487 /* GPIO16 is THERM */
1da177e4
LT		 488 dev_dbg(&client->dev, "\tTHERM\n");
489 }
490}
491
c49efcef 492static void adm1026_fixup_gpio(struct i2c_client *client)
1da177e4
LT		 493{
494 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231
JD		 495 int i;
496 int value;
1da177e4
LT		 497
498 /* Make the changes requested. */
86aa3e22
GR		 499 /*
500 * We may need to unlock/stop monitoring or soft-reset the
1da177e4
LT		 501 * chip before we can make changes. This hasn't been
502 * tested much. FIXME
503 */
504
505 /* Make outputs */
86aa3e22
GR		 506 for (i = 0; i <= 16; ++i) {
507 if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
1da177e4 508 data->gpio_config[gpio_output[i]] |= 0x01;
1da177e4 509 /* if GPIO0-7 is output, it isn't a FAN tach */
86aa3e22 510 if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
1da177e4 511 data->config2 |= 1 << gpio_output[i];
1da177e4
LT		 512 }
513
514 /* Input overrides output */
86aa3e22
GR		 515 for (i = 0; i <= 16; ++i) {
516 if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
517 data->gpio_config[gpio_input[i]] &= ~0x01;
1da177e4 518 /* if GPIO0-7 is input, it isn't a FAN tach */
86aa3e22 519 if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
1da177e4 520 data->config2 |= 1 << gpio_input[i];
1da177e4
LT		 521 }
522
cb01a231 523 /* Inverted */
86aa3e22
GR		 524 for (i = 0; i <= 16; ++i) {
525 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
526 data->gpio_config[gpio_inverted[i]] &= ~0x02;
1da177e4
LT		 527 }
528
cb01a231 529 /* Normal overrides inverted */
86aa3e22
GR		 530 for (i = 0; i <= 16; ++i) {
531 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
1da177e4 532 data->gpio_config[gpio_normal[i]] |= 0x02;
1da177e4
LT		 533 }
534
535 /* Fan overrides input and output */
86aa3e22
GR		 536 for (i = 0; i <= 7; ++i) {
537 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
1da177e4 538 data->config2 &= ~(1 << gpio_fan[i]);
1da177e4
LT		 539 }
540
541 /* Write new configs to registers */
542 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
543 data->config3 = (data->config3 & 0x3f)
544 | ((data->gpio_config[16] & 0x03) << 6);
545 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
86aa3e22 546 for (i = 15, value = 0; i >= 0; --i) {
1da177e4
LT		 547 value <<= 2;
548 value |= data->gpio_config[i] & 0x03;
549 if ((i & 0x03) == 0) {
550 adm1026_write_value(client,
551 ADM1026_REG_GPIO_CFG_0_3 + i/4,
552 value);
553 value = 0;
554 }
555 }
556
557 /* Print the new config */
558 adm1026_print_gpio(client);
559}
560
561
562static struct adm1026_data *adm1026_update_device(struct device *dev)
563{
564 struct i2c_client *client = to_i2c_client(dev);
565 struct adm1026_data *data = i2c_get_clientdata(client);
566 int i;
567 long value, alarms, gpio;
568
9a61bf63 569 mutex_lock(&data->update_lock);
1da177e4 570 if (!data->valid
86aa3e22
GR		 571 || time_after(jiffies,
572 data->last_reading + ADM1026_DATA_INTERVAL)) {
1da177e4 573 /* Things that change quickly */
cb01a231 574 dev_dbg(&client->dev, "Reading sensor values\n");
86aa3e22 575 for (i = 0; i <= 16; ++i) {
1da177e4
LT		 576 data->in[i] =
577 adm1026_read_value(client, ADM1026_REG_IN[i]);
578 }
579
86aa3e22 580 for (i = 0; i <= 7; ++i) {
1da177e4
LT		 581 data->fan[i] =
582 adm1026_read_value(client, ADM1026_REG_FAN(i));
583 }
584
86aa3e22
GR		 585 for (i = 0; i <= 2; ++i) {
586 /*
587 * NOTE: temp[] is s8 and we assume 2's complement
588 * "conversion" in the assignment
589 */
1da177e4
LT		 590 data->temp[i] =
591 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
592 }
593
cb01a231 594 data->pwm1.pwm = adm1026_read_value(client,
1da177e4 595 ADM1026_REG_PWM);
cb01a231 596 data->analog_out = adm1026_read_value(client,
1da177e4
LT		 597 ADM1026_REG_DAC);
598 /* GPIO16 is MSbit of alarms, move it to gpio */
599 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
cb01a231 600 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
1da177e4
LT		 601 alarms &= 0x7f;
602 alarms <<= 8;
603 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
604 alarms <<= 8;
605 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
606 alarms <<= 8;
607 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
608 data->alarms = alarms;
609
610 /* Read the GPIO values */
cb01a231 611 gpio |= adm1026_read_value(client,
1da177e4
LT		 612 ADM1026_REG_GPIO_STATUS_8_15);
613 gpio <<= 8;
cb01a231 614 gpio |= adm1026_read_value(client,
1da177e4
LT		 615 ADM1026_REG_GPIO_STATUS_0_7);
616 data->gpio = gpio;
617
618 data->last_reading = jiffies;
cb01a231 619 }; /* last_reading */
1da177e4
LT		 620
621 if (!data->valid ||
622 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
623 /* Things that don't change often */
624 dev_dbg(&client->dev, "Reading config values\n");
86aa3e22 625 for (i = 0; i <= 16; ++i) {
cb01a231 626 data->in_min[i] = adm1026_read_value(client,
1da177e4 627 ADM1026_REG_IN_MIN[i]);
cb01a231 628 data->in_max[i] = adm1026_read_value(client,
1da177e4
LT		 629 ADM1026_REG_IN_MAX[i]);
630 }
631
632 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
633 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
634 << 8);
86aa3e22 635 for (i = 0; i <= 7; ++i) {
cb01a231 636 data->fan_min[i] = adm1026_read_value(client,
1da177e4
LT		 637 ADM1026_REG_FAN_MIN(i));
638 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
639 value >>= 2;
640 }
641
642 for (i = 0; i <= 2; ++i) {
86aa3e22
GR		 643 /*
644 * NOTE: temp_xxx[] are s8 and we assume 2's
1da177e4
LT		 645 * complement "conversion" in the assignment
646 */
cb01a231 647 data->temp_min[i] = adm1026_read_value(client,
1da177e4 648 ADM1026_REG_TEMP_MIN[i]);
cb01a231 649 data->temp_max[i] = adm1026_read_value(client,
1da177e4 650 ADM1026_REG_TEMP_MAX[i]);
cb01a231 651 data->temp_tmin[i] = adm1026_read_value(client,
1da177e4 652 ADM1026_REG_TEMP_TMIN[i]);
cb01a231 653 data->temp_crit[i] = adm1026_read_value(client,
1da177e4 654 ADM1026_REG_TEMP_THERM[i]);
cb01a231 655 data->temp_offset[i] = adm1026_read_value(client,
1da177e4
LT		 656 ADM1026_REG_TEMP_OFFSET[i]);
657 }
658
659 /* Read the STATUS/alarm masks */
cb01a231
JD		 660 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
661 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
662 alarms = (alarms & 0x7f) << 8;
1da177e4
LT		 663 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
664 alarms <<= 8;
665 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
666 alarms <<= 8;
667 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
668 data->alarm_mask = alarms;
669
670 /* Read the GPIO values */
cb01a231 671 gpio |= adm1026_read_value(client,
1da177e4
LT		 672 ADM1026_REG_GPIO_MASK_8_15);
673 gpio <<= 8;
674 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
675 data->gpio_mask = gpio;
676
677 /* Read various values from CONFIG1 */
cb01a231 678 data->config1 = adm1026_read_value(client,
1da177e4
LT		 679 ADM1026_REG_CONFIG1);
680 if (data->config1 & CFG1_PWM_AFC) {
681 data->pwm1.enable = 2;
cb01a231 682 data->pwm1.auto_pwm_min =
1da177e4
LT		 683 PWM_MIN_FROM_REG(data->pwm1.pwm);
684 }
685 /* Read the GPIO config */
cb01a231 686 data->config2 = adm1026_read_value(client,
1da177e4 687 ADM1026_REG_CONFIG2);
cb01a231 688 data->config3 = adm1026_read_value(client,
1da177e4
LT		 689 ADM1026_REG_CONFIG3);
690 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
691
692 value = 0;
86aa3e22 693 for (i = 0; i <= 15; ++i) {
1da177e4
LT		 694 if ((i & 0x03) == 0) {
695 value = adm1026_read_value(client,
696 ADM1026_REG_GPIO_CFG_0_3 + i/4);
697 }
698 data->gpio_config[i] = value & 0x03;
699 value >>= 2;
700 }
701
702 data->last_config = jiffies;
cb01a231 703 }; /* last_config */
1da177e4 704
1da177e4 705 data->valid = 1;
9a61bf63 706 mutex_unlock(&data->update_lock);
1da177e4
LT		 707 return data;
708}
709
050480f1
YI		 710static ssize_t show_in(struct device *dev, struct device_attribute *attr,
711 char *buf)
1da177e4 712{
050480f1
YI		 713 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
714 int nr = sensor_attr->index;
1da177e4 715 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 716 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
1da177e4 717}
050480f1
YI		 718static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
719 char *buf)
1da177e4 720{
050480f1
YI		 721 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
722 int nr = sensor_attr->index;
cb01a231
JD		 723 struct adm1026_data *data = adm1026_update_device(dev);
724 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
1da177e4 725}
050480f1
YI		 726static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
727 const char *buf, size_t count)
1da177e4 728{
050480f1
YI		 729 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
730 int nr = sensor_attr->index;
1da177e4
LT		 731 struct i2c_client *client = to_i2c_client(dev);
732 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 733 long val;
734 int err;
735
736 err = kstrtol(buf, 10, &val);
737 if (err)
738 return err;
1da177e4 739
9a61bf63 740 mutex_lock(&data->update_lock);
1da177e4
LT		 741 data->in_min[nr] = INS_TO_REG(nr, val);
742 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
9a61bf63 743 mutex_unlock(&data->update_lock);
cb01a231 744 return count;
1da177e4 745}
050480f1
YI		 746static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
747 char *buf)
1da177e4 748{
050480f1
YI		 749 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
750 int nr = sensor_attr->index;
1da177e4 751 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 752 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
1da177e4 753}
050480f1
YI		 754static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
755 const char *buf, size_t count)
1da177e4 756{
050480f1
YI		 757 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
758 int nr = sensor_attr->index;
1da177e4
LT		 759 struct i2c_client *client = to_i2c_client(dev);
760 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 761 long val;
762 int err;
763
764 err = kstrtol(buf, 10, &val);
765 if (err)
766 return err;
1da177e4 767
9a61bf63 768 mutex_lock(&data->update_lock);
1da177e4
LT		 769 data->in_max[nr] = INS_TO_REG(nr, val);
770 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
9a61bf63 771 mutex_unlock(&data->update_lock);
1da177e4
LT		 772 return count;
773}
774
050480f1
YI		 775#define in_reg(offset) \
776static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
777 NULL, offset); \
778static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
779 show_in_min, set_in_min, offset); \
780static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
781 show_in_max, set_in_max, offset);
1da177e4
LT		 782
783
784in_reg(0);
785in_reg(1);
786in_reg(2);
787in_reg(3);
788in_reg(4);
789in_reg(5);
790in_reg(6);
791in_reg(7);
792in_reg(8);
793in_reg(9);
794in_reg(10);
795in_reg(11);
796in_reg(12);
797in_reg(13);
798in_reg(14);
799in_reg(15);
800
86aa3e22
GR		 801static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
802 char *buf)
1da177e4
LT		 803{
804 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 805 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
1da177e4
LT		 806 NEG12_OFFSET);
807}
86aa3e22
GR		 808static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
809 char *buf)
1da177e4 810{
cb01a231
JD		 811 struct adm1026_data *data = adm1026_update_device(dev);
812 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
1da177e4
LT		 813 - NEG12_OFFSET);
814}
86aa3e22
GR		 815static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
816 const char *buf, size_t count)
1da177e4
LT		 817{
818 struct i2c_client *client = to_i2c_client(dev);
819 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 820 long val;
821 int err;
822
823 err = kstrtol(buf, 10, &val);
824 if (err)
825 return err;
1da177e4 826
9a61bf63 827 mutex_lock(&data->update_lock);
1da177e4
LT		 828 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
829 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
9a61bf63 830 mutex_unlock(&data->update_lock);
cb01a231 831 return count;
1da177e4 832}
86aa3e22
GR		 833static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
834 char *buf)
1da177e4
LT		 835{
836 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 837 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
1da177e4
LT		 838 - NEG12_OFFSET);
839}
86aa3e22
GR		 840static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
841 const char *buf, size_t count)
1da177e4
LT		 842{
843 struct i2c_client *client = to_i2c_client(dev);
844 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 845 long val;
846 int err;
847
848 err = kstrtol(buf, 10, &val);
849 if (err)
850 return err;
1da177e4 851
9a61bf63 852 mutex_lock(&data->update_lock);
1da177e4
LT		 853 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
854 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
9a61bf63 855 mutex_unlock(&data->update_lock);
1da177e4
LT		 856 return count;
857}
858
050480f1 859static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
86aa3e22
GR		 860static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
861 set_in16_min, 16);
862static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
863 set_in16_max, 16);
1da177e4
LT		 864
865
866/* Now add fan read/write functions */
867
050480f1
YI		 868static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
869 char *buf)
1da177e4 870{
050480f1
YI		 871 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
872 int nr = sensor_attr->index;
1da177e4 873 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 874 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
1da177e4
LT		 875 data->fan_div[nr]));
876}
050480f1
YI		 877static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
878 char *buf)
1da177e4 879{
050480f1
YI		 880 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
881 int nr = sensor_attr->index;
1da177e4 882 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 883 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
1da177e4
LT		 884 data->fan_div[nr]));
885}
050480f1
YI		 886static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
887 const char *buf, size_t count)
1da177e4 888{
050480f1
YI		 889 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
890 int nr = sensor_attr->index;
1da177e4
LT		 891 struct i2c_client *client = to_i2c_client(dev);
892 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 893 long val;
894 int err;
895
896 err = kstrtol(buf, 10, &val);
897 if (err)
898 return err;
1da177e4 899
9a61bf63 900 mutex_lock(&data->update_lock);
1da177e4
LT		 901 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
902 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
903 data->fan_min[nr]);
9a61bf63 904 mutex_unlock(&data->update_lock);
1da177e4
LT		 905 return count;
906}
907
cb01a231
JD		 908#define fan_offset(offset) \
909static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
910 offset - 1); \
911static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
050480f1 912 show_fan_min, set_fan_min, offset - 1);
1da177e4
LT		 913
914fan_offset(1);
915fan_offset(2);
916fan_offset(3);
917fan_offset(4);
918fan_offset(5);
919fan_offset(6);
920fan_offset(7);
921fan_offset(8);
922
923/* Adjust fan_min to account for new fan divisor */
924static void fixup_fan_min(struct device *dev, int fan, int old_div)
925{
926 struct i2c_client *client = to_i2c_client(dev);
927 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231
JD		 928 int new_min;
929 int new_div = data->fan_div[fan];
1da177e4
LT		 930
931 /* 0 and 0xff are special. Don't adjust them */
86aa3e22 932 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
1da177e4 933 return;
1da177e4
LT		 934
935 new_min = data->fan_min[fan] * old_div / new_div;
936 new_min = SENSORS_LIMIT(new_min, 1, 254);
937 data->fan_min[fan] = new_min;
938 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
939}
940
941/* Now add fan_div read/write functions */
050480f1
YI		 942static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
943 char *buf)
1da177e4 944{
050480f1
YI		 945 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
946 int nr = sensor_attr->index;
1da177e4 947 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 948 return sprintf(buf, "%d\n", data->fan_div[nr]);
1da177e4 949}
050480f1
YI		 950static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
951 const char *buf, size_t count)
1da177e4 952{
050480f1
YI		 953 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
954 int nr = sensor_attr->index;
1da177e4
LT		 955 struct i2c_client *client = to_i2c_client(dev);
956 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 957 long val;
958 int orig_div, new_div;
959 int err;
960
961 err = kstrtol(buf, 10, &val);
962 if (err)
963 return err;
1da177e4 964
cb01a231 965 new_div = DIV_TO_REG(val);
8b0f1840 966
9a61bf63 967 mutex_lock(&data->update_lock);
1da177e4
LT		 968 orig_div = data->fan_div[nr];
969 data->fan_div[nr] = DIV_FROM_REG(new_div);
970
971 if (nr < 4) { /* 0 <= nr < 4 */
1da177e4 972 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
52bc9802
GG		 973 (DIV_TO_REG(data->fan_div[0]) << 0) |
974 (DIV_TO_REG(data->fan_div[1]) << 2) |
975 (DIV_TO_REG(data->fan_div[2]) << 4) |
976 (DIV_TO_REG(data->fan_div[3]) << 6));
1da177e4 977 } else { /* 3 < nr < 8 */
1da177e4 978 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
52bc9802
GG		 979 (DIV_TO_REG(data->fan_div[4]) << 0) |
980 (DIV_TO_REG(data->fan_div[5]) << 2) |
981 (DIV_TO_REG(data->fan_div[6]) << 4) |
982 (DIV_TO_REG(data->fan_div[7]) << 6));
1da177e4
LT		 983 }
984
86aa3e22 985 if (data->fan_div[nr] != orig_div)
cb01a231 986 fixup_fan_min(dev, nr, orig_div);
86aa3e22 987
9a61bf63 988 mutex_unlock(&data->update_lock);
1da177e4
LT		 989 return count;
990}
991
cb01a231
JD		 992#define fan_offset_div(offset) \
993static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
050480f1 994 show_fan_div, set_fan_div, offset - 1);
1da177e4
LT		 995
996fan_offset_div(1);
997fan_offset_div(2);
998fan_offset_div(3);
999fan_offset_div(4);
1000fan_offset_div(5);
1001fan_offset_div(6);
1002fan_offset_div(7);
1003fan_offset_div(8);
1004
1005/* Temps */
050480f1
YI		 1006static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
1007 char *buf)
1da177e4 1008{
050480f1
YI		 1009 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1010 int nr = sensor_attr->index;
1da177e4 1011 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1012 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
1da177e4 1013}
050480f1
YI		 1014static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
1015 char *buf)
1da177e4 1016{
050480f1
YI		 1017 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1018 int nr = sensor_attr->index;
1da177e4 1019 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1020 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
1da177e4 1021}
050480f1
YI		 1022static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
1023 const char *buf, size_t count)
1da177e4 1024{
050480f1
YI		 1025 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1026 int nr = sensor_attr->index;
1da177e4
LT		 1027 struct i2c_client *client = to_i2c_client(dev);
1028 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1029 long val;
1030 int err;
1031
1032 err = kstrtol(buf, 10, &val);
1033 if (err)
1034 return err;
1da177e4 1035
9a61bf63 1036 mutex_lock(&data->update_lock);
1da177e4
LT		 1037 data->temp_min[nr] = TEMP_TO_REG(val);
1038 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
1039 data->temp_min[nr]);
9a61bf63 1040 mutex_unlock(&data->update_lock);
1da177e4
LT		 1041 return count;
1042}
050480f1
YI		 1043static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1044 char *buf)
1da177e4 1045{
050480f1
YI		 1046 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1047 int nr = sensor_attr->index;
1da177e4 1048 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1049 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1da177e4 1050}
050480f1
YI		 1051static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1052 const char *buf, size_t count)
1da177e4 1053{
050480f1
YI		 1054 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1055 int nr = sensor_attr->index;
1da177e4
LT		 1056 struct i2c_client *client = to_i2c_client(dev);
1057 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1058 long val;
1059 int err;
1060
1061 err = kstrtol(buf, 10, &val);
1062 if (err)
1063 return err;
1da177e4 1064
9a61bf63 1065 mutex_lock(&data->update_lock);
1da177e4
LT		 1066 data->temp_max[nr] = TEMP_TO_REG(val);
1067 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1068 data->temp_max[nr]);
9a61bf63 1069 mutex_unlock(&data->update_lock);
1da177e4
LT		 1070 return count;
1071}
050480f1
YI		 1072
1073#define temp_reg(offset) \
cb01a231 1074static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
050480f1
YI		 1075 NULL, offset - 1); \
1076static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1077 show_temp_min, set_temp_min, offset - 1); \
1078static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1079 show_temp_max, set_temp_max, offset - 1);
1da177e4
LT		 1080
1081
1082temp_reg(1);
1083temp_reg(2);
1084temp_reg(3);
1085
050480f1
YI		 1086static ssize_t show_temp_offset(struct device *dev,
1087 struct device_attribute *attr, char *buf)
1da177e4 1088{
050480f1
YI		 1089 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1090 int nr = sensor_attr->index;
1da177e4 1091 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1092 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1da177e4 1093}
050480f1
YI		 1094static ssize_t set_temp_offset(struct device *dev,
1095 struct device_attribute *attr, const char *buf,
1096 size_t count)
1da177e4 1097{
050480f1
YI		 1098 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1099 int nr = sensor_attr->index;
1da177e4
LT		 1100 struct i2c_client *client = to_i2c_client(dev);
1101 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1102 long val;
1103 int err;
1104
1105 err = kstrtol(buf, 10, &val);
1106 if (err)
1107 return err;
1da177e4 1108
9a61bf63 1109 mutex_lock(&data->update_lock);
1da177e4
LT		 1110 data->temp_offset[nr] = TEMP_TO_REG(val);
1111 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1112 data->temp_offset[nr]);
9a61bf63 1113 mutex_unlock(&data->update_lock);
1da177e4
LT		 1114 return count;
1115}
1116
86aa3e22
GR		 1117#define temp_offset_reg(offset) \
1118static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
050480f1 1119 show_temp_offset, set_temp_offset, offset - 1);
1da177e4
LT		 1120
1121temp_offset_reg(1);
1122temp_offset_reg(2);
1123temp_offset_reg(3);
1124
050480f1
YI		 1125static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1126 struct device_attribute *attr, char *buf)
1da177e4 1127{
050480f1
YI		 1128 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1129 int nr = sensor_attr->index;
1da177e4 1130 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1131 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1da177e4
LT		 1132 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1133}
050480f1
YI		 1134static ssize_t show_temp_auto_point2_temp(struct device *dev,
1135 struct device_attribute *attr, char *buf)
1da177e4 1136{
050480f1
YI		 1137 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1138 int nr = sensor_attr->index;
1da177e4 1139 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1140 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1da177e4
LT		 1141 ADM1026_FAN_CONTROL_TEMP_RANGE));
1142}
050480f1
YI		 1143static ssize_t show_temp_auto_point1_temp(struct device *dev,
1144 struct device_attribute *attr, char *buf)
1da177e4 1145{
050480f1
YI		 1146 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1147 int nr = sensor_attr->index;
1da177e4 1148 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1149 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1da177e4 1150}
050480f1
YI		 1151static ssize_t set_temp_auto_point1_temp(struct device *dev,
1152 struct device_attribute *attr, const char *buf, size_t count)
1da177e4 1153{
050480f1
YI		 1154 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1155 int nr = sensor_attr->index;
1da177e4
LT		 1156 struct i2c_client *client = to_i2c_client(dev);
1157 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1158 long val;
1159 int err;
1160
1161 err = kstrtol(buf, 10, &val);
1162 if (err)
1163 return err;
1da177e4 1164
9a61bf63 1165 mutex_lock(&data->update_lock);
1da177e4
LT		 1166 data->temp_tmin[nr] = TEMP_TO_REG(val);
1167 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1168 data->temp_tmin[nr]);
9a61bf63 1169 mutex_unlock(&data->update_lock);
1da177e4
LT		 1170 return count;
1171}
1172
cb01a231
JD		 1173#define temp_auto_point(offset) \
1174static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1175 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1176 set_temp_auto_point1_temp, offset - 1); \
1177static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1178 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1179static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
050480f1 1180 show_temp_auto_point2_temp, NULL, offset - 1);
1da177e4
LT		 1181
1182temp_auto_point(1);
1183temp_auto_point(2);
1184temp_auto_point(3);
1185
050480f1
YI		 1186static ssize_t show_temp_crit_enable(struct device *dev,
1187 struct device_attribute *attr, char *buf)
1da177e4
LT		 1188{
1189 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1190 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1da177e4 1191}
050480f1
YI		 1192static ssize_t set_temp_crit_enable(struct device *dev,
1193 struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 1194{
1195 struct i2c_client *client = to_i2c_client(dev);
1196 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1197 unsigned long val;
1198 int err;
1199
1200 err = kstrtoul(buf, 10, &val);
1201 if (err)
1202 return err;
1203
1204 if (val > 1)
1205 return -EINVAL;
1206
1207 mutex_lock(&data->update_lock);
1208 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1209 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1210 mutex_unlock(&data->update_lock);
1da177e4 1211
1da177e4
LT		 1212 return count;
1213}
1214
050480f1
YI		 1215#define temp_crit_enable(offset) \
1216static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1da177e4
LT		 1217 show_temp_crit_enable, set_temp_crit_enable);
1218
050480f1
YI		 1219temp_crit_enable(1);
1220temp_crit_enable(2);
1221temp_crit_enable(3);
1da177e4 1222
050480f1
YI		 1223static ssize_t show_temp_crit(struct device *dev,
1224 struct device_attribute *attr, char *buf)
1da177e4 1225{
050480f1
YI		 1226 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1227 int nr = sensor_attr->index;
1da177e4 1228 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1229 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1da177e4 1230}
050480f1
YI		 1231static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1232 const char *buf, size_t count)
1da177e4 1233{
050480f1
YI		 1234 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1235 int nr = sensor_attr->index;
1da177e4
LT		 1236 struct i2c_client *client = to_i2c_client(dev);
1237 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1238 long val;
1239 int err;
1240
1241 err = kstrtol(buf, 10, &val);
1242 if (err)
1243 return err;
1da177e4 1244
9a61bf63 1245 mutex_lock(&data->update_lock);
1da177e4
LT		 1246 data->temp_crit[nr] = TEMP_TO_REG(val);
1247 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1248 data->temp_crit[nr]);
9a61bf63 1249 mutex_unlock(&data->update_lock);
1da177e4
LT		 1250 return count;
1251}
1252
050480f1
YI		 1253#define temp_crit_reg(offset) \
1254static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1255 show_temp_crit, set_temp_crit, offset - 1);
1da177e4
LT		 1256
1257temp_crit_reg(1);
1258temp_crit_reg(2);
1259temp_crit_reg(3);
1260
86aa3e22
GR		 1261static ssize_t show_analog_out_reg(struct device *dev,
1262 struct device_attribute *attr, char *buf)
1da177e4
LT		 1263{
1264 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1265 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1da177e4 1266}
86aa3e22
GR		 1267static ssize_t set_analog_out_reg(struct device *dev,
1268 struct device_attribute *attr,
1269 const char *buf, size_t count)
1da177e4
LT		 1270{
1271 struct i2c_client *client = to_i2c_client(dev);
1272 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1273 long val;
1274 int err;
1275
1276 err = kstrtol(buf, 10, &val);
1277 if (err)
1278 return err;
1da177e4 1279
9a61bf63 1280 mutex_lock(&data->update_lock);
1da177e4
LT		 1281 data->analog_out = DAC_TO_REG(val);
1282 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
9a61bf63 1283 mutex_unlock(&data->update_lock);
1da177e4
LT		 1284 return count;
1285}
1286
cb01a231 1287static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1da177e4
LT		 1288 set_analog_out_reg);
1289
86aa3e22
GR		 1290static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
1291 char *buf)
1da177e4
LT		 1292{
1293 struct adm1026_data *data = adm1026_update_device(dev);
a0cf354a
JD		 1294 int vid = (data->gpio >> 11) & 0x1f;
1295
1296 dev_dbg(dev, "Setting VID from GPIO11-15.\n");
1297 return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
1da177e4 1298}
86aa3e22 1299
937df8df 1300static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1da177e4 1301
86aa3e22
GR		 1302static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
1303 char *buf)
1da177e4 1304{
90d6619a 1305 struct adm1026_data *data = dev_get_drvdata(dev);
cb01a231 1306 return sprintf(buf, "%d\n", data->vrm);
1da177e4 1307}
86aa3e22
GR		 1308
1309static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
1310 const char *buf, size_t count)
1da177e4 1311{
f67fdabf 1312 struct adm1026_data *data = dev_get_drvdata(dev);
86aa3e22
GR		 1313 unsigned long val;
1314 int err;
1315
1316 err = kstrtoul(buf, 10, &val);
1317 if (err)
1318 return err;
1da177e4 1319
86aa3e22 1320 data->vrm = val;
1da177e4
LT		 1321 return count;
1322}
1323
1324static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1325
86aa3e22
GR		 1326static ssize_t show_alarms_reg(struct device *dev,
1327 struct device_attribute *attr, char *buf)
1da177e4
LT		 1328{
1329 struct adm1026_data *data = adm1026_update_device(dev);
f67fdabf 1330 return sprintf(buf, "%ld\n", data->alarms);
1da177e4
LT		 1331}
1332
1333static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1334
a9273cb8
JD		 1335static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1336 char *buf)
1337{
1338 struct adm1026_data *data = adm1026_update_device(dev);
1339 int bitnr = to_sensor_dev_attr(attr)->index;
1340 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1341}
1342
1343static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1344static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1345static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1346static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1347static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1348static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1349static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1350static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1351static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1352static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1353static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1354static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1355static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1356static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1357static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1358static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1359static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1360static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1361static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1362static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1363static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1364static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1365static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1366static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1367static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1368static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1369static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1370static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1371
86aa3e22
GR		 1372static ssize_t show_alarm_mask(struct device *dev,
1373 struct device_attribute *attr, char *buf)
1da177e4
LT		 1374{
1375 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1376 return sprintf(buf, "%ld\n", data->alarm_mask);
1da177e4 1377}
86aa3e22
GR		 1378static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
1379 const char *buf, size_t count)
1da177e4
LT		 1380{
1381 struct i2c_client *client = to_i2c_client(dev);
1382 struct adm1026_data *data = i2c_get_clientdata(client);
1da177e4 1383 unsigned long mask;
86aa3e22
GR		 1384 long val;
1385 int err;
1386
1387 err = kstrtol(buf, 10, &val);
1388 if (err)
1389 return err;
1da177e4 1390
9a61bf63 1391 mutex_lock(&data->update_lock);
1da177e4
LT		 1392 data->alarm_mask = val & 0x7fffffff;
1393 mask = data->alarm_mask
1394 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1395 adm1026_write_value(client, ADM1026_REG_MASK1,
1396 mask & 0xff);
1397 mask >>= 8;
1398 adm1026_write_value(client, ADM1026_REG_MASK2,
1399 mask & 0xff);
1400 mask >>= 8;
1401 adm1026_write_value(client, ADM1026_REG_MASK3,
1402 mask & 0xff);
1403 mask >>= 8;
1404 adm1026_write_value(client, ADM1026_REG_MASK4,
1405 mask & 0xff);
9a61bf63 1406 mutex_unlock(&data->update_lock);
1da177e4
LT		 1407 return count;
1408}
1409
1410static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1411 set_alarm_mask);
1412
1413
86aa3e22
GR		 1414static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
1415 char *buf)
1da177e4
LT		 1416{
1417 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1418 return sprintf(buf, "%ld\n", data->gpio);
1da177e4 1419}
86aa3e22
GR		 1420static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
1421 const char *buf, size_t count)
1da177e4
LT		 1422{
1423 struct i2c_client *client = to_i2c_client(dev);
1424 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1425 long gpio;
86aa3e22
GR		 1426 long val;
1427 int err;
1428
1429 err = kstrtol(buf, 10, &val);
1430 if (err)
1431 return err;
1da177e4 1432
9a61bf63 1433 mutex_lock(&data->update_lock);
1da177e4
LT		 1434 data->gpio = val & 0x1ffff;
1435 gpio = data->gpio;
cb01a231 1436 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1da177e4 1437 gpio >>= 8;
cb01a231 1438 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1da177e4 1439 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
cb01a231 1440 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
9a61bf63 1441 mutex_unlock(&data->update_lock);
1da177e4
LT		 1442 return count;
1443}
1444
1445static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1446
86aa3e22
GR		 1447static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
1448 char *buf)
1da177e4
LT		 1449{
1450 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1451 return sprintf(buf, "%ld\n", data->gpio_mask);
1da177e4 1452}
86aa3e22
GR		 1453static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
1454 const char *buf, size_t count)
1da177e4
LT		 1455{
1456 struct i2c_client *client = to_i2c_client(dev);
1457 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1458 long mask;
86aa3e22
GR		 1459 long val;
1460 int err;
1461
1462 err = kstrtol(buf, 10, &val);
1463 if (err)
1464 return err;
1da177e4 1465
9a61bf63 1466 mutex_lock(&data->update_lock);
1da177e4
LT		 1467 data->gpio_mask = val & 0x1ffff;
1468 mask = data->gpio_mask;
cb01a231 1469 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1da177e4 1470 mask >>= 8;
cb01a231 1471 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1da177e4 1472 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
cb01a231 1473 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
9a61bf63 1474 mutex_unlock(&data->update_lock);
1da177e4
LT		 1475 return count;
1476}
1477
1478static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1479
86aa3e22
GR		 1480static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
1481 char *buf)
1da177e4
LT		 1482{
1483 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1484 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1da177e4 1485}
86aa3e22
GR		 1486
1487static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
1488 const char *buf, size_t count)
1da177e4
LT		 1489{
1490 struct i2c_client *client = to_i2c_client(dev);
1491 struct adm1026_data *data = i2c_get_clientdata(client);
1492
1493 if (data->pwm1.enable == 1) {
86aa3e22
GR		 1494 long val;
1495 int err;
1496
1497 err = kstrtol(buf, 10, &val);
1498 if (err)
1499 return err;
1da177e4 1500
9a61bf63 1501 mutex_lock(&data->update_lock);
1da177e4
LT		 1502 data->pwm1.pwm = PWM_TO_REG(val);
1503 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
9a61bf63 1504 mutex_unlock(&data->update_lock);
1da177e4
LT		 1505 }
1506 return count;
1507}
86aa3e22
GR		 1508
1509static ssize_t show_auto_pwm_min(struct device *dev,
1510 struct device_attribute *attr, char *buf)
1da177e4
LT		 1511{
1512 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1513 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1da177e4 1514}
86aa3e22
GR		 1515
1516static ssize_t set_auto_pwm_min(struct device *dev,
1517 struct device_attribute *attr, const char *buf,
1518 size_t count)
1da177e4
LT		 1519{
1520 struct i2c_client *client = to_i2c_client(dev);
1521 struct adm1026_data *data = i2c_get_clientdata(client);
86aa3e22
GR		 1522 unsigned long val;
1523 int err;
1524
1525 err = kstrtoul(buf, 10, &val);
1526 if (err)
1527 return err;
1da177e4 1528
9a61bf63 1529 mutex_lock(&data->update_lock);
cb01a231 1530 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
1da177e4
LT		 1531 if (data->pwm1.enable == 2) { /* apply immediately */
1532 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
cb01a231 1533 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1da177e4
LT		 1534 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1535 }
9a61bf63 1536 mutex_unlock(&data->update_lock);
1da177e4
LT		 1537 return count;
1538}
86aa3e22
GR		 1539
1540static ssize_t show_auto_pwm_max(struct device *dev,
1541 struct device_attribute *attr, char *buf)
1da177e4 1542{
cb01a231 1543 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1da177e4 1544}
86aa3e22
GR		 1545
1546static ssize_t show_pwm_enable(struct device *dev,
1547 struct device_attribute *attr, char *buf)
1da177e4
LT		 1548{
1549 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1550 return sprintf(buf, "%d\n", data->pwm1.enable);
1da177e4 1551}
86aa3e22
GR		 1552
1553static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
1554 const char *buf, size_t count)
1da177e4
LT		 1555{
1556 struct i2c_client *client = to_i2c_client(dev);
1557 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 1558 int old_enable;
86aa3e22
GR		 1559 unsigned long val;
1560 int err;
1da177e4 1561
86aa3e22
GR		 1562 err = kstrtoul(buf, 10, &val);
1563 if (err)
1564 return err;
1565
1566 if (val >= 3)
1567 return -EINVAL;
1568
1569 mutex_lock(&data->update_lock);
1570 old_enable = data->pwm1.enable;
1571 data->pwm1.enable = val;
1572 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1573 | ((val == 2) ? CFG1_PWM_AFC : 0);
1574 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1575 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1576 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1577 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1578 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1579 } else if (!((old_enable == 1) && (val == 1))) {
1580 /* set pwm to safe value */
1581 data->pwm1.pwm = 255;
1582 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1da177e4 1583 }
86aa3e22
GR		 1584 mutex_unlock(&data->update_lock);
1585
1da177e4
LT		 1586 return count;
1587}
1588
1589/* enable PWM fan control */
cb01a231
JD		 1590static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1591static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1592static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1593static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1594 set_pwm_enable);
cb01a231 1595static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1596 set_pwm_enable);
cb01a231 1597static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1598 set_pwm_enable);
cb01a231 1599static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1600 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1601static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1602 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1603static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4
LT		 1604 show_auto_pwm_min, set_auto_pwm_min);
1605
1606static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1607static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1608static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1609
681c6f7a
MH		 1610static struct attribute *adm1026_attributes[] = {
1611 &sensor_dev_attr_in0_input.dev_attr.attr,
1612 &sensor_dev_attr_in0_max.dev_attr.attr,
1613 &sensor_dev_attr_in0_min.dev_attr.attr,
a9273cb8 1614 &sensor_dev_attr_in0_alarm.dev_attr.attr,
681c6f7a
MH		 1615 &sensor_dev_attr_in1_input.dev_attr.attr,
1616 &sensor_dev_attr_in1_max.dev_attr.attr,
1617 &sensor_dev_attr_in1_min.dev_attr.attr,
a9273cb8 1618 &sensor_dev_attr_in1_alarm.dev_attr.attr,
681c6f7a
MH		 1619 &sensor_dev_attr_in2_input.dev_attr.attr,
1620 &sensor_dev_attr_in2_max.dev_attr.attr,
1621 &sensor_dev_attr_in2_min.dev_attr.attr,
a9273cb8 1622 &sensor_dev_attr_in2_alarm.dev_attr.attr,
681c6f7a
MH		 1623 &sensor_dev_attr_in3_input.dev_attr.attr,
1624 &sensor_dev_attr_in3_max.dev_attr.attr,
1625 &sensor_dev_attr_in3_min.dev_attr.attr,
a9273cb8 1626 &sensor_dev_attr_in3_alarm.dev_attr.attr,
681c6f7a
MH		 1627 &sensor_dev_attr_in4_input.dev_attr.attr,
1628 &sensor_dev_attr_in4_max.dev_attr.attr,
1629 &sensor_dev_attr_in4_min.dev_attr.attr,
a9273cb8 1630 &sensor_dev_attr_in4_alarm.dev_attr.attr,
681c6f7a
MH		 1631 &sensor_dev_attr_in5_input.dev_attr.attr,
1632 &sensor_dev_attr_in5_max.dev_attr.attr,
1633 &sensor_dev_attr_in5_min.dev_attr.attr,
a9273cb8 1634 &sensor_dev_attr_in5_alarm.dev_attr.attr,
681c6f7a
MH		 1635 &sensor_dev_attr_in6_input.dev_attr.attr,
1636 &sensor_dev_attr_in6_max.dev_attr.attr,
1637 &sensor_dev_attr_in6_min.dev_attr.attr,
a9273cb8 1638 &sensor_dev_attr_in6_alarm.dev_attr.attr,
681c6f7a
MH		 1639 &sensor_dev_attr_in7_input.dev_attr.attr,
1640 &sensor_dev_attr_in7_max.dev_attr.attr,
1641 &sensor_dev_attr_in7_min.dev_attr.attr,
a9273cb8 1642 &sensor_dev_attr_in7_alarm.dev_attr.attr,
681c6f7a
MH		 1643 &sensor_dev_attr_in10_input.dev_attr.attr,
1644 &sensor_dev_attr_in10_max.dev_attr.attr,
1645 &sensor_dev_attr_in10_min.dev_attr.attr,
a9273cb8 1646 &sensor_dev_attr_in10_alarm.dev_attr.attr,
681c6f7a
MH		 1647 &sensor_dev_attr_in11_input.dev_attr.attr,
1648 &sensor_dev_attr_in11_max.dev_attr.attr,
1649 &sensor_dev_attr_in11_min.dev_attr.attr,
a9273cb8 1650 &sensor_dev_attr_in11_alarm.dev_attr.attr,
681c6f7a
MH		 1651 &sensor_dev_attr_in12_input.dev_attr.attr,
1652 &sensor_dev_attr_in12_max.dev_attr.attr,
1653 &sensor_dev_attr_in12_min.dev_attr.attr,
a9273cb8 1654 &sensor_dev_attr_in12_alarm.dev_attr.attr,
681c6f7a
MH		 1655 &sensor_dev_attr_in13_input.dev_attr.attr,
1656 &sensor_dev_attr_in13_max.dev_attr.attr,
1657 &sensor_dev_attr_in13_min.dev_attr.attr,
a9273cb8 1658 &sensor_dev_attr_in13_alarm.dev_attr.attr,
681c6f7a
MH		 1659 &sensor_dev_attr_in14_input.dev_attr.attr,
1660 &sensor_dev_attr_in14_max.dev_attr.attr,
1661 &sensor_dev_attr_in14_min.dev_attr.attr,
a9273cb8 1662 &sensor_dev_attr_in14_alarm.dev_attr.attr,
681c6f7a
MH		 1663 &sensor_dev_attr_in15_input.dev_attr.attr,
1664 &sensor_dev_attr_in15_max.dev_attr.attr,
1665 &sensor_dev_attr_in15_min.dev_attr.attr,
a9273cb8 1666 &sensor_dev_attr_in15_alarm.dev_attr.attr,
681c6f7a
MH		 1667 &sensor_dev_attr_in16_input.dev_attr.attr,
1668 &sensor_dev_attr_in16_max.dev_attr.attr,
1669 &sensor_dev_attr_in16_min.dev_attr.attr,
a9273cb8 1670 &sensor_dev_attr_in16_alarm.dev_attr.attr,
681c6f7a
MH		 1671 &sensor_dev_attr_fan1_input.dev_attr.attr,
1672 &sensor_dev_attr_fan1_div.dev_attr.attr,
1673 &sensor_dev_attr_fan1_min.dev_attr.attr,
a9273cb8 1674 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
681c6f7a
MH		 1675 &sensor_dev_attr_fan2_input.dev_attr.attr,
1676 &sensor_dev_attr_fan2_div.dev_attr.attr,
1677 &sensor_dev_attr_fan2_min.dev_attr.attr,
a9273cb8 1678 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
681c6f7a
MH		 1679 &sensor_dev_attr_fan3_input.dev_attr.attr,
1680 &sensor_dev_attr_fan3_div.dev_attr.attr,
1681 &sensor_dev_attr_fan3_min.dev_attr.attr,
a9273cb8 1682 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
681c6f7a
MH		 1683 &sensor_dev_attr_fan4_input.dev_attr.attr,
1684 &sensor_dev_attr_fan4_div.dev_attr.attr,
1685 &sensor_dev_attr_fan4_min.dev_attr.attr,
a9273cb8 1686 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
681c6f7a
MH		 1687 &sensor_dev_attr_fan5_input.dev_attr.attr,
1688 &sensor_dev_attr_fan5_div.dev_attr.attr,
1689 &sensor_dev_attr_fan5_min.dev_attr.attr,
a9273cb8 1690 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
681c6f7a
MH		 1691 &sensor_dev_attr_fan6_input.dev_attr.attr,
1692 &sensor_dev_attr_fan6_div.dev_attr.attr,
1693 &sensor_dev_attr_fan6_min.dev_attr.attr,
a9273cb8 1694 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
681c6f7a
MH		 1695 &sensor_dev_attr_fan7_input.dev_attr.attr,
1696 &sensor_dev_attr_fan7_div.dev_attr.attr,
1697 &sensor_dev_attr_fan7_min.dev_attr.attr,
a9273cb8 1698 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
681c6f7a
MH		 1699 &sensor_dev_attr_fan8_input.dev_attr.attr,
1700 &sensor_dev_attr_fan8_div.dev_attr.attr,
1701 &sensor_dev_attr_fan8_min.dev_attr.attr,
a9273cb8 1702 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
681c6f7a
MH		 1703 &sensor_dev_attr_temp1_input.dev_attr.attr,
1704 &sensor_dev_attr_temp1_max.dev_attr.attr,
1705 &sensor_dev_attr_temp1_min.dev_attr.attr,
a9273cb8 1706 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
681c6f7a
MH		 1707 &sensor_dev_attr_temp2_input.dev_attr.attr,
1708 &sensor_dev_attr_temp2_max.dev_attr.attr,
1709 &sensor_dev_attr_temp2_min.dev_attr.attr,
a9273cb8 1710 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
681c6f7a
MH		 1711 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1712 &sensor_dev_attr_temp2_offset.dev_attr.attr,
681c6f7a
MH		 1713 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1714 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
681c6f7a
MH		 1715 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1716 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
681c6f7a
MH		 1717 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1718 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
681c6f7a
MH		 1719 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1720 &sensor_dev_attr_temp2_crit.dev_attr.attr,
681c6f7a
MH		 1721 &dev_attr_temp1_crit_enable.attr,
1722 &dev_attr_temp2_crit_enable.attr,
681c6f7a
MH		 1723 &dev_attr_cpu0_vid.attr,
1724 &dev_attr_vrm.attr,
1725 &dev_attr_alarms.attr,
1726 &dev_attr_alarm_mask.attr,
1727 &dev_attr_gpio.attr,
1728 &dev_attr_gpio_mask.attr,
1729 &dev_attr_pwm1.attr,
1730 &dev_attr_pwm2.attr,
1731 &dev_attr_pwm3.attr,
1732 &dev_attr_pwm1_enable.attr,
1733 &dev_attr_pwm2_enable.attr,
1734 &dev_attr_pwm3_enable.attr,
1735 &dev_attr_temp1_auto_point1_pwm.attr,
1736 &dev_attr_temp2_auto_point1_pwm.attr,
681c6f7a
MH		 1737 &dev_attr_temp1_auto_point2_pwm.attr,
1738 &dev_attr_temp2_auto_point2_pwm.attr,
681c6f7a
MH		 1739 &dev_attr_analog_out.attr,
1740 NULL
1741};
1742
1743static const struct attribute_group adm1026_group = {
1744 .attrs = adm1026_attributes,
1745};
1746
5b34dbcd
JD		 1747static struct attribute *adm1026_attributes_temp3[] = {
1748 &sensor_dev_attr_temp3_input.dev_attr.attr,
1749 &sensor_dev_attr_temp3_max.dev_attr.attr,
1750 &sensor_dev_attr_temp3_min.dev_attr.attr,
1751 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1752 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1753 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1754 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1755 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1756 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1757 &dev_attr_temp3_crit_enable.attr,
1758 &dev_attr_temp3_auto_point1_pwm.attr,
1759 &dev_attr_temp3_auto_point2_pwm.attr,
1d5f2c16 1760 NULL
5b34dbcd
JD		 1761};
1762
1763static const struct attribute_group adm1026_group_temp3 = {
1764 .attrs = adm1026_attributes_temp3,
1765};
1766
1767static struct attribute *adm1026_attributes_in8_9[] = {
1768 &sensor_dev_attr_in8_input.dev_attr.attr,
1769 &sensor_dev_attr_in8_max.dev_attr.attr,
1770 &sensor_dev_attr_in8_min.dev_attr.attr,
1771 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1772 &sensor_dev_attr_in9_input.dev_attr.attr,
1773 &sensor_dev_attr_in9_max.dev_attr.attr,
1774 &sensor_dev_attr_in9_min.dev_attr.attr,
1775 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1d5f2c16 1776 NULL
5b34dbcd
JD		 1777};
1778
1779static const struct attribute_group adm1026_group_in8_9 = {
1780 .attrs = adm1026_attributes_in8_9,
1781};
1782
57f7eb0b 1783/* Return 0 if detection is successful, -ENODEV otherwise */
310ec792 1784static int adm1026_detect(struct i2c_client *client,
57f7eb0b 1785 struct i2c_board_info *info)
1da177e4 1786{
57f7eb0b
JD		 1787 struct i2c_adapter *adapter = client->adapter;
1788 int address = client->addr;
1da177e4 1789 int company, verstep;
1da177e4
LT		 1790
1791 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1792 /* We need to be able to do byte I/O */
57f7eb0b 1793 return -ENODEV;
1da177e4
LT		 1794 };
1795
1da177e4
LT		 1796 /* Now, we do the remaining detection. */
1797
f67fdabf
JD		 1798 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1799 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1da177e4 1800
57f7eb0b 1801 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
1da177e4 1802 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
f67fdabf 1803 i2c_adapter_id(client->adapter), client->addr,
1da177e4
LT		 1804 company, verstep);
1805
52df6440
JD		 1806 /* Determine the chip type. */
1807 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
1808 i2c_adapter_id(adapter), address);
1809 if (company == ADM1026_COMPANY_ANALOG_DEV
1810 && verstep == ADM1026_VERSTEP_ADM1026) {
1811 /* Analog Devices ADM1026 */
1812 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1813 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1814 dev_err(&adapter->dev, "Unrecognized stepping "
1815 "0x%02x. Defaulting to ADM1026.\n", verstep);
1816 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1817 dev_err(&adapter->dev, "Found version/stepping "
1818 "0x%02x. Assuming generic ADM1026.\n",
1819 verstep);
1820 } else {
1821 dev_dbg(&adapter->dev, "Autodetection failed\n");
1822 /* Not an ADM1026... */
1823 return -ENODEV;
1da177e4 1824 }
52df6440 1825
57f7eb0b 1826 strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
1da177e4 1827
57f7eb0b
JD		 1828 return 0;
1829}
1830
1831static int adm1026_probe(struct i2c_client *client,
1832 const struct i2c_device_id *id)
1833{
1834 struct adm1026_data *data;
1835 int err;
1836
3421e212
GR		 1837 data = devm_kzalloc(&client->dev, sizeof(struct adm1026_data),
1838 GFP_KERNEL);
1839 if (!data)
1840 return -ENOMEM;
1da177e4 1841
57f7eb0b 1842 i2c_set_clientdata(client, data);
9a61bf63 1843 mutex_init(&data->update_lock);
1da177e4 1844
1da177e4 1845 /* Set the VRM version */
303760b4 1846 data->vrm = vid_which_vrm();
1da177e4
LT		 1847
1848 /* Initialize the ADM1026 chip */
f67fdabf 1849 adm1026_init_client(client);
1da177e4
LT		 1850
1851 /* Register sysfs hooks */
86aa3e22
GR		 1852 err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
1853 if (err)
3421e212 1854 return err;
5b34dbcd
JD		 1855 if (data->config1 & CFG1_AIN8_9)
1856 err = sysfs_create_group(&client->dev.kobj,
1857 &adm1026_group_in8_9);
1858 else
1859 err = sysfs_create_group(&client->dev.kobj,
1860 &adm1026_group_temp3);
1861 if (err)
1862 goto exitremove;
681c6f7a 1863
f67fdabf 1864 data->hwmon_dev = hwmon_device_register(&client->dev);
1beeffe4
TJ		 1865 if (IS_ERR(data->hwmon_dev)) {
1866 err = PTR_ERR(data->hwmon_dev);
681c6f7a 1867 goto exitremove;
943b0830
MH		 1868 }
1869
1da177e4
LT		 1870 return 0;
1871
1872 /* Error out and cleanup code */
681c6f7a 1873exitremove:
f67fdabf 1874 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1875 if (data->config1 & CFG1_AIN8_9)
1876 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1877 else
1878 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1da177e4
LT		 1879 return err;
1880}
681c6f7a 1881
57f7eb0b 1882static int adm1026_remove(struct i2c_client *client)
681c6f7a
MH		 1883{
1884 struct adm1026_data *data = i2c_get_clientdata(client);
1beeffe4 1885 hwmon_device_unregister(data->hwmon_dev);
681c6f7a 1886 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1887 if (data->config1 & CFG1_AIN8_9)
1888 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1889 else
1890 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
681c6f7a
MH		 1891 return 0;
1892}
1893
f0967eea 1894module_i2c_driver(adm1026_driver);
1da177e4
LT		 1895
1896MODULE_LICENSE("GPL");
1897MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
cb01a231 1898 "Justin Thiessen <jthiessen@penguincomputing.com>");
1da177e4 1899MODULE_DESCRIPTION("ADM1026 driver");
Linux 6.x block layer and io_uring tree(s)