projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
hwmon: (vt8231) Update maintainer email address
[linux-2.6-block.git] / drivers / hwmon / adm1026.c
CommitLineData
1da177e4
LT		 1/*
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.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf>
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*/
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 */
38static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
1da177e4
LT		 39
40/* Insmod parameters */
f4b50261 41I2C_CLIENT_INSMOD_1(adm1026);
1da177e4 42
cb01a231
JD		 43static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
44 -1, -1, -1, -1, -1, -1, -1, -1 };
1da177e4
LT		 45static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
46 -1, -1, -1, -1, -1, -1, -1, -1 };
47static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
48 -1, -1, -1, -1, -1, -1, -1, -1 };
49static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
50 -1, -1, -1, -1, -1, -1, -1, -1 };
51static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
cb01a231
JD		 52module_param_array(gpio_input, int, NULL, 0);
53MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
54module_param_array(gpio_output, int, NULL, 0);
55MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
1da177e4 56 "outputs");
cb01a231
JD		 57module_param_array(gpio_inverted, int, NULL, 0);
58MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
1da177e4 59 "inverted");
cb01a231
JD		 60module_param_array(gpio_normal, int, NULL, 0);
61MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
1da177e4 62 "normal/non-inverted");
cb01a231
JD		 63module_param_array(gpio_fan, int, NULL, 0);
64MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
1da177e4
LT		 65
66/* Many ADM1026 constants specified below */
67
68/* The ADM1026 registers */
cb01a231
JD		 69#define ADM1026_REG_CONFIG1 0x00
70#define CFG1_MONITOR 0x01
71#define CFG1_INT_ENABLE 0x02
72#define CFG1_INT_CLEAR 0x04
73#define CFG1_AIN8_9 0x08
74#define CFG1_THERM_HOT 0x10
75#define CFG1_DAC_AFC 0x20
76#define CFG1_PWM_AFC 0x40
77#define CFG1_RESET 0x80
78
79#define ADM1026_REG_CONFIG2 0x01
1da177e4 80/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
cb01a231
JD		 81
82#define ADM1026_REG_CONFIG3 0x07
83#define CFG3_GPIO16_ENABLE 0x01
84#define CFG3_CI_CLEAR 0x02
85#define CFG3_VREF_250 0x04
86#define CFG3_GPIO16_DIR 0x40
87#define CFG3_GPIO16_POL 0x80
88
89#define ADM1026_REG_E2CONFIG 0x13
90#define E2CFG_READ 0x01
91#define E2CFG_WRITE 0x02
92#define E2CFG_ERASE 0x04
93#define E2CFG_ROM 0x08
94#define E2CFG_CLK_EXT 0x80
1da177e4
LT		 95
96/* There are 10 general analog inputs and 7 dedicated inputs
97 * They are:
98 * 0 - 9 = AIN0 - AIN9
99 * 10 = Vbat
100 * 11 = 3.3V Standby
101 * 12 = 3.3V Main
102 * 13 = +5V
103 * 14 = Vccp (CPU core voltage)
104 * 15 = +12V
105 * 16 = -12V
106 */
107static u16 ADM1026_REG_IN[] = {
108 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
109 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
110 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
111 };
112static u16 ADM1026_REG_IN_MIN[] = {
113 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
114 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
115 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
116 };
117static u16 ADM1026_REG_IN_MAX[] = {
118 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
119 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
120 0x43, 0x44, 0x45, 0x46, 0x47
121 };
122
123/* Temperatures are:
124 * 0 - Internal
125 * 1 - External 1
126 * 2 - External 2
127 */
128static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
129static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
130static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
131static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
132static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
133static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
134
cb01a231
JD		 135#define ADM1026_REG_FAN(nr) (0x38 + (nr))
136#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
137#define ADM1026_REG_FAN_DIV_0_3 0x02
138#define ADM1026_REG_FAN_DIV_4_7 0x03
1da177e4 139
cb01a231
JD		 140#define ADM1026_REG_DAC 0x04
141#define ADM1026_REG_PWM 0x05
1da177e4 142
cb01a231
JD		 143#define ADM1026_REG_GPIO_CFG_0_3 0x08
144#define ADM1026_REG_GPIO_CFG_4_7 0x09
145#define ADM1026_REG_GPIO_CFG_8_11 0x0a
146#define ADM1026_REG_GPIO_CFG_12_15 0x0b
1da177e4 147/* CFG_16 in REG_CFG3 */
cb01a231
JD		 148#define ADM1026_REG_GPIO_STATUS_0_7 0x24
149#define ADM1026_REG_GPIO_STATUS_8_15 0x25
1da177e4 150/* STATUS_16 in REG_STATUS4 */
cb01a231
JD		 151#define ADM1026_REG_GPIO_MASK_0_7 0x1c
152#define ADM1026_REG_GPIO_MASK_8_15 0x1d
1da177e4
LT		 153/* MASK_16 in REG_MASK4 */
154
cb01a231
JD		 155#define ADM1026_REG_COMPANY 0x16
156#define ADM1026_REG_VERSTEP 0x17
1da177e4 157/* These are the recognized values for the above regs */
cb01a231
JD		 158#define ADM1026_COMPANY_ANALOG_DEV 0x41
159#define ADM1026_VERSTEP_GENERIC 0x40
160#define ADM1026_VERSTEP_ADM1026 0x44
1da177e4 161
cb01a231
JD		 162#define ADM1026_REG_MASK1 0x18
163#define ADM1026_REG_MASK2 0x19
164#define ADM1026_REG_MASK3 0x1a
165#define ADM1026_REG_MASK4 0x1b
1da177e4 166
cb01a231
JD		 167#define ADM1026_REG_STATUS1 0x20
168#define ADM1026_REG_STATUS2 0x21
169#define ADM1026_REG_STATUS3 0x22
170#define ADM1026_REG_STATUS4 0x23
1da177e4
LT		 171
172#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
cb01a231
JD		 173#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
174#define ADM1026_PWM_MAX 255
1da177e4 175
cb01a231 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
181/* IN are scaled acording to built-in resistors. These are the
182 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
183 * NOTE: The -12V input needs an additional factor to account
184 * for the Vref pullup resistor.
185 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
186 * = 13875 * 2.50 / 1.875 - 2500
187 * = 16000
188 *
189 * The values in this table are based on Table II, page 15 of the
190 * datasheet.
191 */
cb01a231
JD		 192static int adm1026_scaling[] = { /* .001 Volts */
193 2250, 2250, 2250, 2250, 2250, 2250,
194 1875, 1875, 1875, 1875, 3000, 3330,
1da177e4
LT		 195 3330, 4995, 2250, 12000, 13875
196 };
197#define NEG12_OFFSET 16000
cb01a231
JD		 198#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
199#define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
200 0, 255))
201#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
1da177e4
LT		 202
203/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
204 * and we assume a 2 pulse-per-rev fan tach signal
205 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
206 */
cb01a231
JD		 207#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
208 SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
209#define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
210 1350000/((val)*(div)))
1da177e4 211#define DIV_FROM_REG(val) (1<<(val))
cb01a231 212#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
1da177e4
LT		 213
214/* Temperature is reported in 1 degC increments */
215#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
cb01a231 216 -127, 127))
1da177e4
LT		 217#define TEMP_FROM_REG(val) ((val) * 1000)
218#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
cb01a231 219 -127, 127))
1da177e4
LT		 220#define OFFSET_FROM_REG(val) ((val) * 1000)
221
cb01a231 222#define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
1da177e4
LT		 223#define PWM_FROM_REG(val) (val)
224
225#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
226#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
227
cb01a231
JD		 228/* Analog output is a voltage, and scaled to millivolts. The datasheet
229 * indicates that the DAC could be used to drive the fans, but in our
1da177e4
LT		 230 * example board (Arima HDAMA) it isn't connected to the fans at all.
231 */
cb01a231 232#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
1da177e4
LT		 233#define DAC_FROM_REG(val) (((val)*2500)/255)
234
1da177e4
LT		 235/* Chip sampling rates
236 *
237 * Some sensors are not updated more frequently than once per second
238 * so it doesn't make sense to read them more often than that.
239 * We cache the results and return the saved data if the driver
240 * is called again before a second has elapsed.
241 *
242 * Also, there is significant configuration data for this chip
243 * So, we keep the config data up to date in the cache
244 * when it is written and only sample it once every 5 *minutes*
245 */
cb01a231
JD		 246#define ADM1026_DATA_INTERVAL (1 * HZ)
247#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
1da177e4
LT		 248
249/* We allow for multiple chips in a single system.
250 *
251 * For each registered ADM1026, we need to keep state information
252 * at client->data. The adm1026_data structure is dynamically
253 * allocated, when a new client structure is allocated. */
254
255struct pwm_data {
256 u8 pwm;
257 u8 enable;
258 u8 auto_pwm_min;
259};
260
261struct adm1026_data {
262 struct i2c_client client;
1beeffe4 263 struct device *hwmon_dev;
1da177e4 264
9a61bf63 265 struct mutex update_lock;
1da177e4
LT		 266 int valid; /* !=0 if following fields are valid */
267 unsigned long last_reading; /* In jiffies */
268 unsigned long last_config; /* In jiffies */
269
cb01a231
JD		 270 u8 in[17]; /* Register value */
271 u8 in_max[17]; /* Register value */
272 u8 in_min[17]; /* Register value */
273 s8 temp[3]; /* Register value */
274 s8 temp_min[3]; /* Register value */
275 s8 temp_max[3]; /* Register value */
276 s8 temp_tmin[3]; /* Register value */
277 s8 temp_crit[3]; /* Register value */
278 s8 temp_offset[3]; /* Register value */
279 u8 fan[8]; /* Register value */
280 u8 fan_min[8]; /* Register value */
281 u8 fan_div[8]; /* Decoded value */
282 struct pwm_data pwm1; /* Pwm control values */
283 int vid; /* Decoded value */
284 u8 vrm; /* VRM version */
1da177e4 285 u8 analog_out; /* Register value (DAC) */
cb01a231
JD		 286 long alarms; /* Register encoding, combined */
287 long alarm_mask; /* Register encoding, combined */
288 long gpio; /* Register encoding, combined */
289 long gpio_mask; /* Register encoding, combined */
290 u8 gpio_config[17]; /* Decoded value */
291 u8 config1; /* Register value */
292 u8 config2; /* Register value */
293 u8 config3; /* Register value */
1da177e4
LT		 294};
295
296static int adm1026_attach_adapter(struct i2c_adapter *adapter);
297static int adm1026_detect(struct i2c_adapter *adapter, int address,
298 int kind);
299static int adm1026_detach_client(struct i2c_client *client);
f6c27fc1
DJ		 300static int adm1026_read_value(struct i2c_client *client, u8 reg);
301static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
1da177e4 302static void adm1026_print_gpio(struct i2c_client *client);
cb01a231 303static void adm1026_fixup_gpio(struct i2c_client *client);
1da177e4
LT		 304static struct adm1026_data *adm1026_update_device(struct device *dev);
305static void adm1026_init_client(struct i2c_client *client);
306
307
308static struct i2c_driver adm1026_driver = {
cdaf7934 309 .driver = {
cdaf7934
LR		 310 .name = "adm1026",
311 },
1da177e4 312 .attach_adapter = adm1026_attach_adapter,
cb01a231 313 .detach_client = adm1026_detach_client,
1da177e4
LT		 314};
315
c49efcef 316static int adm1026_attach_adapter(struct i2c_adapter *adapter)
1da177e4
LT		 317{
318 if (!(adapter->class & I2C_CLASS_HWMON)) {
319 return 0;
320 }
2ed2dc3c 321 return i2c_probe(adapter, &addr_data, adm1026_detect);
1da177e4
LT		 322}
323
c49efcef 324static int adm1026_read_value(struct i2c_client *client, u8 reg)
1da177e4
LT		 325{
326 int res;
327
328 if (reg < 0x80) {
329 /* "RAM" locations */
330 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
331 } else {
332 /* EEPROM, do nothing */
333 res = 0;
334 }
335 return res;
336}
337
c49efcef 338static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
1da177e4
LT		 339{
340 int res;
341
342 if (reg < 0x80) {
343 /* "RAM" locations */
344 res = i2c_smbus_write_byte_data(client, reg, value);
345 } else {
346 /* EEPROM, do nothing */
347 res = 0;
348 }
349 return res;
350}
351
c49efcef 352static void adm1026_init_client(struct i2c_client *client)
1da177e4
LT		 353{
354 int value, i;
355 struct adm1026_data *data = i2c_get_clientdata(client);
356
cb01a231 357 dev_dbg(&client->dev, "Initializing device\n");
1da177e4
LT		 358 /* Read chip config */
359 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
360 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
361 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
362
363 /* Inform user of chip config */
364 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
365 data->config1);
366 if ((data->config1 & CFG1_MONITOR) == 0) {
367 dev_dbg(&client->dev, "Monitoring not currently "
368 "enabled.\n");
369 }
370 if (data->config1 & CFG1_INT_ENABLE) {
371 dev_dbg(&client->dev, "SMBALERT interrupts are "
372 "enabled.\n");
373 }
374 if (data->config1 & CFG1_AIN8_9) {
375 dev_dbg(&client->dev, "in8 and in9 enabled. "
376 "temp3 disabled.\n");
377 } else {
378 dev_dbg(&client->dev, "temp3 enabled. in8 and "
379 "in9 disabled.\n");
380 }
381 if (data->config1 & CFG1_THERM_HOT) {
382 dev_dbg(&client->dev, "Automatic THERM, PWM, "
383 "and temp limits enabled.\n");
384 }
385
1da177e4 386 if (data->config3 & CFG3_GPIO16_ENABLE) {
368609c5 387 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
1da177e4
LT		 388 "pin disabled.\n");
389 } else {
390 dev_dbg(&client->dev, "THERM pin enabled. "
391 "GPIO16 disabled.\n");
392 }
393 if (data->config3 & CFG3_VREF_250) {
394 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
395 } else {
396 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
397 }
398 /* Read and pick apart the existing GPIO configuration */
399 value = 0;
400 for (i = 0;i <= 15;++i) {
401 if ((i & 0x03) == 0) {
402 value = adm1026_read_value(client,
403 ADM1026_REG_GPIO_CFG_0_3 + i/4);
404 }
405 data->gpio_config[i] = value & 0x03;
406 value >>= 2;
407 }
408 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
409
410 /* ... and then print it */
411 adm1026_print_gpio(client);
412
413 /* If the user asks us to reprogram the GPIO config, then
414 * do it now.
415 */
416 if (gpio_input[0] != -1 || gpio_output[0] != -1
417 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
418 || gpio_fan[0] != -1) {
419 adm1026_fixup_gpio(client);
420 }
421
422 /* WE INTENTIONALLY make no changes to the limits,
423 * offsets, pwms, fans and zones. If they were
424 * configured, we don't want to mess with them.
425 * If they weren't, the default is 100% PWM, no
426 * control and will suffice until 'sensors -s'
cb01a231 427 * can be run by the user. We DO set the default
1da177e4
LT		 428 * value for pwm1.auto_pwm_min to its maximum
429 * so that enabling automatic pwm fan control
cb01a231 430 * without first setting a value for pwm1.auto_pwm_min
1da177e4
LT		 431 * will not result in potentially dangerous fan speed decrease.
432 */
433 data->pwm1.auto_pwm_min=255;
434 /* Start monitoring */
435 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
436 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
437 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
438 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
439 data->config1 = value;
440 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
441
442 /* initialize fan_div[] to hardware defaults */
443 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
444 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
445 for (i = 0;i <= 7;++i) {
446 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
447 value >>= 2;
448 }
449}
450
c49efcef 451static void adm1026_print_gpio(struct i2c_client *client)
1da177e4
LT		 452{
453 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 454 int i;
1da177e4
LT		 455
456 dev_dbg(&client->dev, "GPIO config is:");
457 for (i = 0;i <= 7;++i) {
458 if (data->config2 & (1 << i)) {
459 dev_dbg(&client->dev, "\t%sGP%s%d\n",
460 data->gpio_config[i] & 0x02 ? "" : "!",
461 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
462 i);
463 } else {
464 dev_dbg(&client->dev, "\tFAN%d\n", i);
465 }
466 }
467 for (i = 8;i <= 15;++i) {
468 dev_dbg(&client->dev, "\t%sGP%s%d\n",
469 data->gpio_config[i] & 0x02 ? "" : "!",
470 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
471 i);
472 }
473 if (data->config3 & CFG3_GPIO16_ENABLE) {
474 dev_dbg(&client->dev, "\t%sGP%s16\n",
475 data->gpio_config[16] & 0x02 ? "" : "!",
476 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
477 } else {
cb01a231 478 /* GPIO16 is THERM */
1da177e4
LT		 479 dev_dbg(&client->dev, "\tTHERM\n");
480 }
481}
482
c49efcef 483static void adm1026_fixup_gpio(struct i2c_client *client)
1da177e4
LT		 484{
485 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231
JD		 486 int i;
487 int value;
1da177e4
LT		 488
489 /* Make the changes requested. */
490 /* We may need to unlock/stop monitoring or soft-reset the
491 * chip before we can make changes. This hasn't been
492 * tested much. FIXME
493 */
494
495 /* Make outputs */
496 for (i = 0;i <= 16;++i) {
497 if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
498 data->gpio_config[gpio_output[i]] |= 0x01;
499 }
500 /* if GPIO0-7 is output, it isn't a FAN tach */
501 if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
502 data->config2 |= 1 << gpio_output[i];
503 }
504 }
505
506 /* Input overrides output */
507 for (i = 0;i <= 16;++i) {
508 if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
509 data->gpio_config[gpio_input[i]] &= ~ 0x01;
510 }
511 /* if GPIO0-7 is input, it isn't a FAN tach */
512 if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
513 data->config2 |= 1 << gpio_input[i];
514 }
515 }
516
cb01a231 517 /* Inverted */
1da177e4
LT		 518 for (i = 0;i <= 16;++i) {
519 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
520 data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
521 }
522 }
523
cb01a231 524 /* Normal overrides inverted */
1da177e4
LT		 525 for (i = 0;i <= 16;++i) {
526 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
527 data->gpio_config[gpio_normal[i]] |= 0x02;
528 }
529 }
530
531 /* Fan overrides input and output */
532 for (i = 0;i <= 7;++i) {
533 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
534 data->config2 &= ~(1 << gpio_fan[i]);
535 }
536 }
537
538 /* Write new configs to registers */
539 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
540 data->config3 = (data->config3 & 0x3f)
541 | ((data->gpio_config[16] & 0x03) << 6);
542 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
543 for (i = 15, value = 0;i >= 0;--i) {
544 value <<= 2;
545 value |= data->gpio_config[i] & 0x03;
546 if ((i & 0x03) == 0) {
547 adm1026_write_value(client,
548 ADM1026_REG_GPIO_CFG_0_3 + i/4,
549 value);
550 value = 0;
551 }
552 }
553
554 /* Print the new config */
555 adm1026_print_gpio(client);
556}
557
558
559static struct adm1026_data *adm1026_update_device(struct device *dev)
560{
561 struct i2c_client *client = to_i2c_client(dev);
562 struct adm1026_data *data = i2c_get_clientdata(client);
563 int i;
564 long value, alarms, gpio;
565
9a61bf63 566 mutex_lock(&data->update_lock);
1da177e4
LT		 567 if (!data->valid
568 || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
569 /* Things that change quickly */
cb01a231 570 dev_dbg(&client->dev, "Reading sensor values\n");
1da177e4
LT		 571 for (i = 0;i <= 16;++i) {
572 data->in[i] =
573 adm1026_read_value(client, ADM1026_REG_IN[i]);
574 }
575
576 for (i = 0;i <= 7;++i) {
577 data->fan[i] =
578 adm1026_read_value(client, ADM1026_REG_FAN(i));
579 }
580
581 for (i = 0;i <= 2;++i) {
582 /* NOTE: temp[] is s8 and we assume 2's complement
cb01a231 583 * "conversion" in the assignment */
1da177e4
LT		 584 data->temp[i] =
585 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
586 }
587
cb01a231 588 data->pwm1.pwm = adm1026_read_value(client,
1da177e4 589 ADM1026_REG_PWM);
cb01a231 590 data->analog_out = adm1026_read_value(client,
1da177e4
LT		 591 ADM1026_REG_DAC);
592 /* GPIO16 is MSbit of alarms, move it to gpio */
593 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
cb01a231 594 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
1da177e4
LT		 595 alarms &= 0x7f;
596 alarms <<= 8;
597 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
598 alarms <<= 8;
599 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
600 alarms <<= 8;
601 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
602 data->alarms = alarms;
603
604 /* Read the GPIO values */
cb01a231 605 gpio |= adm1026_read_value(client,
1da177e4
LT		 606 ADM1026_REG_GPIO_STATUS_8_15);
607 gpio <<= 8;
cb01a231 608 gpio |= adm1026_read_value(client,
1da177e4
LT		 609 ADM1026_REG_GPIO_STATUS_0_7);
610 data->gpio = gpio;
611
612 data->last_reading = jiffies;
cb01a231 613 }; /* last_reading */
1da177e4
LT		 614
615 if (!data->valid ||
616 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
617 /* Things that don't change often */
618 dev_dbg(&client->dev, "Reading config values\n");
619 for (i = 0;i <= 16;++i) {
cb01a231 620 data->in_min[i] = adm1026_read_value(client,
1da177e4 621 ADM1026_REG_IN_MIN[i]);
cb01a231 622 data->in_max[i] = adm1026_read_value(client,
1da177e4
LT		 623 ADM1026_REG_IN_MAX[i]);
624 }
625
626 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
627 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
628 << 8);
629 for (i = 0;i <= 7;++i) {
cb01a231 630 data->fan_min[i] = adm1026_read_value(client,
1da177e4
LT		 631 ADM1026_REG_FAN_MIN(i));
632 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
633 value >>= 2;
634 }
635
636 for (i = 0; i <= 2; ++i) {
cb01a231 637 /* NOTE: temp_xxx[] are s8 and we assume 2's
1da177e4
LT		 638 * complement "conversion" in the assignment
639 */
cb01a231 640 data->temp_min[i] = adm1026_read_value(client,
1da177e4 641 ADM1026_REG_TEMP_MIN[i]);
cb01a231 642 data->temp_max[i] = adm1026_read_value(client,
1da177e4 643 ADM1026_REG_TEMP_MAX[i]);
cb01a231 644 data->temp_tmin[i] = adm1026_read_value(client,
1da177e4 645 ADM1026_REG_TEMP_TMIN[i]);
cb01a231 646 data->temp_crit[i] = adm1026_read_value(client,
1da177e4 647 ADM1026_REG_TEMP_THERM[i]);
cb01a231 648 data->temp_offset[i] = adm1026_read_value(client,
1da177e4
LT		 649 ADM1026_REG_TEMP_OFFSET[i]);
650 }
651
652 /* Read the STATUS/alarm masks */
cb01a231
JD		 653 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
654 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
655 alarms = (alarms & 0x7f) << 8;
1da177e4
LT		 656 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
657 alarms <<= 8;
658 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
659 alarms <<= 8;
660 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
661 data->alarm_mask = alarms;
662
663 /* Read the GPIO values */
cb01a231 664 gpio |= adm1026_read_value(client,
1da177e4
LT		 665 ADM1026_REG_GPIO_MASK_8_15);
666 gpio <<= 8;
667 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
668 data->gpio_mask = gpio;
669
670 /* Read various values from CONFIG1 */
cb01a231 671 data->config1 = adm1026_read_value(client,
1da177e4
LT		 672 ADM1026_REG_CONFIG1);
673 if (data->config1 & CFG1_PWM_AFC) {
674 data->pwm1.enable = 2;
cb01a231 675 data->pwm1.auto_pwm_min =
1da177e4
LT		 676 PWM_MIN_FROM_REG(data->pwm1.pwm);
677 }
678 /* Read the GPIO config */
cb01a231 679 data->config2 = adm1026_read_value(client,
1da177e4 680 ADM1026_REG_CONFIG2);
cb01a231 681 data->config3 = adm1026_read_value(client,
1da177e4
LT		 682 ADM1026_REG_CONFIG3);
683 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
684
685 value = 0;
686 for (i = 0;i <= 15;++i) {
687 if ((i & 0x03) == 0) {
688 value = adm1026_read_value(client,
689 ADM1026_REG_GPIO_CFG_0_3 + i/4);
690 }
691 data->gpio_config[i] = value & 0x03;
692 value >>= 2;
693 }
694
695 data->last_config = jiffies;
cb01a231 696 }; /* last_config */
1da177e4
LT		 697
698 dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
699 data->vid = (data->gpio >> 11) & 0x1f;
700 data->valid = 1;
9a61bf63 701 mutex_unlock(&data->update_lock);
1da177e4
LT		 702 return data;
703}
704
050480f1
YI		 705static ssize_t show_in(struct device *dev, struct device_attribute *attr,
706 char *buf)
1da177e4 707{
050480f1
YI		 708 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
709 int nr = sensor_attr->index;
1da177e4 710 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 711 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
1da177e4 712}
050480f1
YI		 713static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
714 char *buf)
1da177e4 715{
050480f1
YI		 716 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
717 int nr = sensor_attr->index;
cb01a231
JD		 718 struct adm1026_data *data = adm1026_update_device(dev);
719 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
1da177e4 720}
050480f1
YI		 721static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
722 const char *buf, size_t count)
1da177e4 723{
050480f1
YI		 724 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
725 int nr = sensor_attr->index;
1da177e4
LT		 726 struct i2c_client *client = to_i2c_client(dev);
727 struct adm1026_data *data = i2c_get_clientdata(client);
728 int val = simple_strtol(buf, NULL, 10);
729
9a61bf63 730 mutex_lock(&data->update_lock);
1da177e4
LT		 731 data->in_min[nr] = INS_TO_REG(nr, val);
732 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
9a61bf63 733 mutex_unlock(&data->update_lock);
cb01a231 734 return count;
1da177e4 735}
050480f1
YI		 736static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
737 char *buf)
1da177e4 738{
050480f1
YI		 739 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
740 int nr = sensor_attr->index;
1da177e4 741 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 742 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
1da177e4 743}
050480f1
YI		 744static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
745 const char *buf, size_t count)
1da177e4 746{
050480f1
YI		 747 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
748 int nr = sensor_attr->index;
1da177e4
LT		 749 struct i2c_client *client = to_i2c_client(dev);
750 struct adm1026_data *data = i2c_get_clientdata(client);
751 int val = simple_strtol(buf, NULL, 10);
752
9a61bf63 753 mutex_lock(&data->update_lock);
1da177e4
LT		 754 data->in_max[nr] = INS_TO_REG(nr, val);
755 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
9a61bf63 756 mutex_unlock(&data->update_lock);
1da177e4
LT		 757 return count;
758}
759
050480f1
YI		 760#define in_reg(offset) \
761static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
762 NULL, offset); \
763static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
764 show_in_min, set_in_min, offset); \
765static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
766 show_in_max, set_in_max, offset);
1da177e4
LT		 767
768
769in_reg(0);
770in_reg(1);
771in_reg(2);
772in_reg(3);
773in_reg(4);
774in_reg(5);
775in_reg(6);
776in_reg(7);
777in_reg(8);
778in_reg(9);
779in_reg(10);
780in_reg(11);
781in_reg(12);
782in_reg(13);
783in_reg(14);
784in_reg(15);
785
74880c06 786static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 787{
788 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 789 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
1da177e4
LT		 790 NEG12_OFFSET);
791}
74880c06 792static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4 793{
cb01a231
JD		 794 struct adm1026_data *data = adm1026_update_device(dev);
795 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
1da177e4
LT		 796 - NEG12_OFFSET);
797}
74880c06 798static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 799{
800 struct i2c_client *client = to_i2c_client(dev);
801 struct adm1026_data *data = i2c_get_clientdata(client);
802 int val = simple_strtol(buf, NULL, 10);
803
9a61bf63 804 mutex_lock(&data->update_lock);
1da177e4
LT		 805 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
806 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
9a61bf63 807 mutex_unlock(&data->update_lock);
cb01a231 808 return count;
1da177e4 809}
74880c06 810static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 811{
812 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 813 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
1da177e4
LT		 814 - NEG12_OFFSET);
815}
74880c06 816static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, 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);
820 int val = simple_strtol(buf, NULL, 10);
821
9a61bf63 822 mutex_lock(&data->update_lock);
1da177e4
LT		 823 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
824 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
9a61bf63 825 mutex_unlock(&data->update_lock);
1da177e4
LT		 826 return count;
827}
828
050480f1
YI		 829static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
830static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
831static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
1da177e4
LT		 832
833
834
835
836/* Now add fan read/write functions */
837
050480f1
YI		 838static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
839 char *buf)
1da177e4 840{
050480f1
YI		 841 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
842 int nr = sensor_attr->index;
1da177e4 843 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 844 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
1da177e4
LT		 845 data->fan_div[nr]));
846}
050480f1
YI		 847static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
848 char *buf)
1da177e4 849{
050480f1
YI		 850 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
851 int nr = sensor_attr->index;
1da177e4 852 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 853 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
1da177e4
LT		 854 data->fan_div[nr]));
855}
050480f1
YI		 856static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
857 const char *buf, size_t count)
1da177e4 858{
050480f1
YI		 859 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
860 int nr = sensor_attr->index;
1da177e4
LT		 861 struct i2c_client *client = to_i2c_client(dev);
862 struct adm1026_data *data = i2c_get_clientdata(client);
863 int val = simple_strtol(buf, NULL, 10);
864
9a61bf63 865 mutex_lock(&data->update_lock);
1da177e4
LT		 866 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
867 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
868 data->fan_min[nr]);
9a61bf63 869 mutex_unlock(&data->update_lock);
1da177e4
LT		 870 return count;
871}
872
cb01a231
JD		 873#define fan_offset(offset) \
874static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
875 offset - 1); \
876static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
050480f1 877 show_fan_min, set_fan_min, offset - 1);
1da177e4
LT		 878
879fan_offset(1);
880fan_offset(2);
881fan_offset(3);
882fan_offset(4);
883fan_offset(5);
884fan_offset(6);
885fan_offset(7);
886fan_offset(8);
887
888/* Adjust fan_min to account for new fan divisor */
889static void fixup_fan_min(struct device *dev, int fan, int old_div)
890{
891 struct i2c_client *client = to_i2c_client(dev);
892 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231
JD		 893 int new_min;
894 int new_div = data->fan_div[fan];
1da177e4
LT		 895
896 /* 0 and 0xff are special. Don't adjust them */
897 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
898 return;
899 }
900
901 new_min = data->fan_min[fan] * old_div / new_div;
902 new_min = SENSORS_LIMIT(new_min, 1, 254);
903 data->fan_min[fan] = new_min;
904 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
905}
906
907/* Now add fan_div read/write functions */
050480f1
YI		 908static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
909 char *buf)
1da177e4 910{
050480f1
YI		 911 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
912 int nr = sensor_attr->index;
1da177e4 913 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 914 return sprintf(buf, "%d\n", data->fan_div[nr]);
1da177e4 915}
050480f1
YI		 916static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
917 const char *buf, size_t count)
1da177e4 918{
050480f1
YI		 919 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
920 int nr = sensor_attr->index;
1da177e4
LT		 921 struct i2c_client *client = to_i2c_client(dev);
922 struct adm1026_data *data = i2c_get_clientdata(client);
cb01a231 923 int val, orig_div, new_div, shift;
1da177e4
LT		 924
925 val = simple_strtol(buf, NULL, 10);
cb01a231 926 new_div = DIV_TO_REG(val);
1da177e4
LT		 927 if (new_div == 0) {
928 return -EINVAL;
929 }
9a61bf63 930 mutex_lock(&data->update_lock);
1da177e4
LT		 931 orig_div = data->fan_div[nr];
932 data->fan_div[nr] = DIV_FROM_REG(new_div);
933
934 if (nr < 4) { /* 0 <= nr < 4 */
935 shift = 2 * nr;
936 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
937 ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
938 (new_div << shift)));
939 } else { /* 3 < nr < 8 */
940 shift = 2 * (nr - 4);
941 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
942 ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
943 (new_div << shift)));
944 }
945
946 if (data->fan_div[nr] != orig_div) {
cb01a231 947 fixup_fan_min(dev, nr, orig_div);
1da177e4 948 }
9a61bf63 949 mutex_unlock(&data->update_lock);
1da177e4
LT		 950 return count;
951}
952
cb01a231
JD		 953#define fan_offset_div(offset) \
954static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
050480f1 955 show_fan_div, set_fan_div, offset - 1);
1da177e4
LT		 956
957fan_offset_div(1);
958fan_offset_div(2);
959fan_offset_div(3);
960fan_offset_div(4);
961fan_offset_div(5);
962fan_offset_div(6);
963fan_offset_div(7);
964fan_offset_div(8);
965
966/* Temps */
050480f1
YI		 967static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
968 char *buf)
1da177e4 969{
050480f1
YI		 970 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
971 int nr = sensor_attr->index;
1da177e4 972 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 973 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
1da177e4 974}
050480f1
YI		 975static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
976 char *buf)
1da177e4 977{
050480f1
YI		 978 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
979 int nr = sensor_attr->index;
1da177e4 980 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 981 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
1da177e4 982}
050480f1
YI		 983static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
984 const char *buf, size_t count)
1da177e4 985{
050480f1
YI		 986 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
987 int nr = sensor_attr->index;
1da177e4
LT		 988 struct i2c_client *client = to_i2c_client(dev);
989 struct adm1026_data *data = i2c_get_clientdata(client);
990 int val = simple_strtol(buf, NULL, 10);
991
9a61bf63 992 mutex_lock(&data->update_lock);
1da177e4
LT		 993 data->temp_min[nr] = TEMP_TO_REG(val);
994 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
995 data->temp_min[nr]);
9a61bf63 996 mutex_unlock(&data->update_lock);
1da177e4
LT		 997 return count;
998}
050480f1
YI		 999static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1000 char *buf)
1da177e4 1001{
050480f1
YI		 1002 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1003 int nr = sensor_attr->index;
1da177e4 1004 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1005 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1da177e4 1006}
050480f1
YI		 1007static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1008 const char *buf, size_t count)
1da177e4 1009{
050480f1
YI		 1010 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1011 int nr = sensor_attr->index;
1da177e4
LT		 1012 struct i2c_client *client = to_i2c_client(dev);
1013 struct adm1026_data *data = i2c_get_clientdata(client);
1014 int val = simple_strtol(buf, NULL, 10);
1015
9a61bf63 1016 mutex_lock(&data->update_lock);
1da177e4
LT		 1017 data->temp_max[nr] = TEMP_TO_REG(val);
1018 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1019 data->temp_max[nr]);
9a61bf63 1020 mutex_unlock(&data->update_lock);
1da177e4
LT		 1021 return count;
1022}
050480f1
YI		 1023
1024#define temp_reg(offset) \
cb01a231 1025static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
050480f1
YI		 1026 NULL, offset - 1); \
1027static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1028 show_temp_min, set_temp_min, offset - 1); \
1029static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1030 show_temp_max, set_temp_max, offset - 1);
1da177e4
LT		 1031
1032
1033temp_reg(1);
1034temp_reg(2);
1035temp_reg(3);
1036
050480f1
YI		 1037static ssize_t show_temp_offset(struct device *dev,
1038 struct device_attribute *attr, char *buf)
1da177e4 1039{
050480f1
YI		 1040 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1041 int nr = sensor_attr->index;
1da177e4 1042 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1043 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1da177e4 1044}
050480f1
YI		 1045static ssize_t set_temp_offset(struct device *dev,
1046 struct device_attribute *attr, const char *buf,
1047 size_t count)
1da177e4 1048{
050480f1
YI		 1049 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1050 int nr = sensor_attr->index;
1da177e4
LT		 1051 struct i2c_client *client = to_i2c_client(dev);
1052 struct adm1026_data *data = i2c_get_clientdata(client);
1053 int val = simple_strtol(buf, NULL, 10);
1054
9a61bf63 1055 mutex_lock(&data->update_lock);
1da177e4
LT		 1056 data->temp_offset[nr] = TEMP_TO_REG(val);
1057 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1058 data->temp_offset[nr]);
9a61bf63 1059 mutex_unlock(&data->update_lock);
1da177e4
LT		 1060 return count;
1061}
1062
050480f1
YI		 1063#define temp_offset_reg(offset) \
1064static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1065 show_temp_offset, set_temp_offset, offset - 1);
1da177e4
LT		 1066
1067temp_offset_reg(1);
1068temp_offset_reg(2);
1069temp_offset_reg(3);
1070
050480f1
YI		 1071static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1072 struct device_attribute *attr, char *buf)
1da177e4 1073{
050480f1
YI		 1074 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1075 int nr = sensor_attr->index;
1da177e4 1076 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1077 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1da177e4
LT		 1078 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1079}
050480f1
YI		 1080static ssize_t show_temp_auto_point2_temp(struct device *dev,
1081 struct device_attribute *attr, char *buf)
1da177e4 1082{
050480f1
YI		 1083 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1084 int nr = sensor_attr->index;
1da177e4 1085 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1086 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1da177e4
LT		 1087 ADM1026_FAN_CONTROL_TEMP_RANGE));
1088}
050480f1
YI		 1089static ssize_t show_temp_auto_point1_temp(struct device *dev,
1090 struct device_attribute *attr, char *buf)
1da177e4 1091{
050480f1
YI		 1092 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1093 int nr = sensor_attr->index;
1da177e4 1094 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1095 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1da177e4 1096}
050480f1
YI		 1097static ssize_t set_temp_auto_point1_temp(struct device *dev,
1098 struct device_attribute *attr, const char *buf, size_t count)
1da177e4 1099{
050480f1
YI		 1100 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1101 int nr = sensor_attr->index;
1da177e4
LT		 1102 struct i2c_client *client = to_i2c_client(dev);
1103 struct adm1026_data *data = i2c_get_clientdata(client);
1104 int val = simple_strtol(buf, NULL, 10);
1105
9a61bf63 1106 mutex_lock(&data->update_lock);
1da177e4
LT		 1107 data->temp_tmin[nr] = TEMP_TO_REG(val);
1108 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1109 data->temp_tmin[nr]);
9a61bf63 1110 mutex_unlock(&data->update_lock);
1da177e4
LT		 1111 return count;
1112}
1113
cb01a231
JD		 1114#define temp_auto_point(offset) \
1115static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1116 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1117 set_temp_auto_point1_temp, offset - 1); \
1118static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1119 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1120static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
050480f1 1121 show_temp_auto_point2_temp, NULL, offset - 1);
1da177e4
LT		 1122
1123temp_auto_point(1);
1124temp_auto_point(2);
1125temp_auto_point(3);
1126
050480f1
YI		 1127static ssize_t show_temp_crit_enable(struct device *dev,
1128 struct device_attribute *attr, char *buf)
1da177e4
LT		 1129{
1130 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1131 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1da177e4 1132}
050480f1
YI		 1133static ssize_t set_temp_crit_enable(struct device *dev,
1134 struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 1135{
1136 struct i2c_client *client = to_i2c_client(dev);
1137 struct adm1026_data *data = i2c_get_clientdata(client);
1138 int val = simple_strtol(buf, NULL, 10);
1139
1140 if ((val == 1) || (val==0)) {
9a61bf63 1141 mutex_lock(&data->update_lock);
1da177e4 1142 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
cb01a231 1143 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1da177e4 1144 data->config1);
9a61bf63 1145 mutex_unlock(&data->update_lock);
1da177e4
LT		 1146 }
1147 return count;
1148}
1149
050480f1
YI		 1150#define temp_crit_enable(offset) \
1151static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1da177e4
LT		 1152 show_temp_crit_enable, set_temp_crit_enable);
1153
050480f1
YI		 1154temp_crit_enable(1);
1155temp_crit_enable(2);
1156temp_crit_enable(3);
1da177e4 1157
050480f1
YI		 1158static ssize_t show_temp_crit(struct device *dev,
1159 struct device_attribute *attr, char *buf)
1da177e4 1160{
050480f1
YI		 1161 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1162 int nr = sensor_attr->index;
1da177e4 1163 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1164 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1da177e4 1165}
050480f1
YI		 1166static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1167 const char *buf, size_t count)
1da177e4 1168{
050480f1
YI		 1169 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1170 int nr = sensor_attr->index;
1da177e4
LT		 1171 struct i2c_client *client = to_i2c_client(dev);
1172 struct adm1026_data *data = i2c_get_clientdata(client);
1173 int val = simple_strtol(buf, NULL, 10);
1174
9a61bf63 1175 mutex_lock(&data->update_lock);
1da177e4
LT		 1176 data->temp_crit[nr] = TEMP_TO_REG(val);
1177 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1178 data->temp_crit[nr]);
9a61bf63 1179 mutex_unlock(&data->update_lock);
1da177e4
LT		 1180 return count;
1181}
1182
050480f1
YI		 1183#define temp_crit_reg(offset) \
1184static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1185 show_temp_crit, set_temp_crit, offset - 1);
1da177e4
LT		 1186
1187temp_crit_reg(1);
1188temp_crit_reg(2);
1189temp_crit_reg(3);
1190
74880c06 1191static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1192{
1193 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1194 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1da177e4 1195}
74880c06 1196static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1197 size_t count)
1198{
1199 struct i2c_client *client = to_i2c_client(dev);
1200 struct adm1026_data *data = i2c_get_clientdata(client);
1201 int val = simple_strtol(buf, NULL, 10);
1202
9a61bf63 1203 mutex_lock(&data->update_lock);
1da177e4
LT		 1204 data->analog_out = DAC_TO_REG(val);
1205 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
9a61bf63 1206 mutex_unlock(&data->update_lock);
1da177e4
LT		 1207 return count;
1208}
1209
cb01a231 1210static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1da177e4
LT		 1211 set_analog_out_reg);
1212
74880c06 1213static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1214{
1215 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1216 return sprintf(buf, "%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
1da177e4 1217}
937df8df 1218static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1da177e4 1219
74880c06 1220static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4 1221{
90d6619a 1222 struct adm1026_data *data = dev_get_drvdata(dev);
cb01a231 1223 return sprintf(buf, "%d\n", data->vrm);
1da177e4 1224}
74880c06 1225static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1226 size_t count)
1227{
f67fdabf 1228 struct adm1026_data *data = dev_get_drvdata(dev);
1da177e4
LT		 1229
1230 data->vrm = simple_strtol(buf, NULL, 10);
1231 return count;
1232}
1233
1234static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1235
74880c06 1236static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1237{
1238 struct adm1026_data *data = adm1026_update_device(dev);
f67fdabf 1239 return sprintf(buf, "%ld\n", data->alarms);
1da177e4
LT		 1240}
1241
1242static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1243
a9273cb8
JD		 1244static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1245 char *buf)
1246{
1247 struct adm1026_data *data = adm1026_update_device(dev);
1248 int bitnr = to_sensor_dev_attr(attr)->index;
1249 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1250}
1251
1252static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1253static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1254static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1255static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1256static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1257static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1258static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1259static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1260static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1261static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1262static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1263static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1264static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1265static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1266static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1267static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1268static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1269static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1270static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1271static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1272static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1273static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1274static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1275static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1276static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1277static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1278static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1279static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1280
74880c06 1281static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1282{
1283 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1284 return sprintf(buf, "%ld\n", data->alarm_mask);
1da177e4 1285}
74880c06 1286static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1287 size_t count)
1288{
1289 struct i2c_client *client = to_i2c_client(dev);
1290 struct adm1026_data *data = i2c_get_clientdata(client);
1291 int val = simple_strtol(buf, NULL, 10);
1292 unsigned long mask;
1293
9a61bf63 1294 mutex_lock(&data->update_lock);
1da177e4
LT		 1295 data->alarm_mask = val & 0x7fffffff;
1296 mask = data->alarm_mask
1297 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1298 adm1026_write_value(client, ADM1026_REG_MASK1,
1299 mask & 0xff);
1300 mask >>= 8;
1301 adm1026_write_value(client, ADM1026_REG_MASK2,
1302 mask & 0xff);
1303 mask >>= 8;
1304 adm1026_write_value(client, ADM1026_REG_MASK3,
1305 mask & 0xff);
1306 mask >>= 8;
1307 adm1026_write_value(client, ADM1026_REG_MASK4,
1308 mask & 0xff);
9a61bf63 1309 mutex_unlock(&data->update_lock);
1da177e4
LT		 1310 return count;
1311}
1312
1313static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1314 set_alarm_mask);
1315
1316
74880c06 1317static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1318{
1319 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1320 return sprintf(buf, "%ld\n", data->gpio);
1da177e4 1321}
74880c06 1322static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1323 size_t count)
1324{
1325 struct i2c_client *client = to_i2c_client(dev);
1326 struct adm1026_data *data = i2c_get_clientdata(client);
1327 int val = simple_strtol(buf, NULL, 10);
cb01a231 1328 long gpio;
1da177e4 1329
9a61bf63 1330 mutex_lock(&data->update_lock);
1da177e4
LT		 1331 data->gpio = val & 0x1ffff;
1332 gpio = data->gpio;
cb01a231 1333 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1da177e4 1334 gpio >>= 8;
cb01a231 1335 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1da177e4 1336 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
cb01a231 1337 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
9a61bf63 1338 mutex_unlock(&data->update_lock);
1da177e4
LT		 1339 return count;
1340}
1341
1342static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1343
1344
74880c06 1345static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1346{
1347 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1348 return sprintf(buf, "%ld\n", data->gpio_mask);
1da177e4 1349}
74880c06 1350static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1351 size_t count)
1352{
1353 struct i2c_client *client = to_i2c_client(dev);
1354 struct adm1026_data *data = i2c_get_clientdata(client);
1355 int val = simple_strtol(buf, NULL, 10);
cb01a231 1356 long mask;
1da177e4 1357
9a61bf63 1358 mutex_lock(&data->update_lock);
1da177e4
LT		 1359 data->gpio_mask = val & 0x1ffff;
1360 mask = data->gpio_mask;
cb01a231 1361 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1da177e4 1362 mask >>= 8;
cb01a231 1363 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1da177e4 1364 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
cb01a231 1365 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
9a61bf63 1366 mutex_unlock(&data->update_lock);
1da177e4
LT		 1367 return count;
1368}
1369
1370static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1371
74880c06 1372static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1373{
1374 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1375 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1da177e4 1376}
74880c06 1377static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1378 size_t count)
1379{
1380 struct i2c_client *client = to_i2c_client(dev);
1381 struct adm1026_data *data = i2c_get_clientdata(client);
1382
1383 if (data->pwm1.enable == 1) {
1384 int val = simple_strtol(buf, NULL, 10);
1385
9a61bf63 1386 mutex_lock(&data->update_lock);
1da177e4
LT		 1387 data->pwm1.pwm = PWM_TO_REG(val);
1388 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
9a61bf63 1389 mutex_unlock(&data->update_lock);
1da177e4
LT		 1390 }
1391 return count;
1392}
74880c06 1393static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1394{
1395 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1396 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1da177e4 1397}
74880c06 1398static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1399 size_t count)
1400{
1401 struct i2c_client *client = to_i2c_client(dev);
1402 struct adm1026_data *data = i2c_get_clientdata(client);
1403 int val = simple_strtol(buf, NULL, 10);
1404
9a61bf63 1405 mutex_lock(&data->update_lock);
cb01a231 1406 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
1da177e4
LT		 1407 if (data->pwm1.enable == 2) { /* apply immediately */
1408 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
cb01a231 1409 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1da177e4
LT		 1410 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1411 }
9a61bf63 1412 mutex_unlock(&data->update_lock);
1da177e4
LT		 1413 return count;
1414}
74880c06 1415static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4 1416{
cb01a231 1417 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1da177e4 1418}
74880c06 1419static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1420{
1421 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1422 return sprintf(buf, "%d\n", data->pwm1.enable);
1da177e4 1423}
74880c06 1424static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1425 size_t count)
1426{
1427 struct i2c_client *client = to_i2c_client(dev);
1428 struct adm1026_data *data = i2c_get_clientdata(client);
1429 int val = simple_strtol(buf, NULL, 10);
cb01a231 1430 int old_enable;
1da177e4
LT		 1431
1432 if ((val >= 0) && (val < 3)) {
9a61bf63 1433 mutex_lock(&data->update_lock);
1da177e4
LT		 1434 old_enable = data->pwm1.enable;
1435 data->pwm1.enable = val;
1436 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1437 | ((val == 2) ? CFG1_PWM_AFC : 0);
1438 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1439 data->config1);
cb01a231 1440 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1da177e4 1441 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
cb01a231
JD		 1442 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1443 adm1026_write_value(client, ADM1026_REG_PWM,
1da177e4
LT		 1444 data->pwm1.pwm);
1445 } else if (!((old_enable == 1) && (val == 1))) {
1446 /* set pwm to safe value */
1447 data->pwm1.pwm = 255;
cb01a231 1448 adm1026_write_value(client, ADM1026_REG_PWM,
1da177e4
LT		 1449 data->pwm1.pwm);
1450 }
9a61bf63 1451 mutex_unlock(&data->update_lock);
1da177e4
LT		 1452 }
1453 return count;
1454}
1455
1456/* enable PWM fan control */
cb01a231
JD		 1457static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1458static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1459static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1460static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1461 set_pwm_enable);
cb01a231 1462static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1463 set_pwm_enable);
cb01a231 1464static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1da177e4 1465 set_pwm_enable);
cb01a231 1466static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1467 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1468static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4 1469 show_auto_pwm_min, set_auto_pwm_min);
cb01a231 1470static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1da177e4
LT		 1471 show_auto_pwm_min, set_auto_pwm_min);
1472
1473static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1474static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1475static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1476
681c6f7a
MH		 1477static struct attribute *adm1026_attributes[] = {
1478 &sensor_dev_attr_in0_input.dev_attr.attr,
1479 &sensor_dev_attr_in0_max.dev_attr.attr,
1480 &sensor_dev_attr_in0_min.dev_attr.attr,
a9273cb8 1481 &sensor_dev_attr_in0_alarm.dev_attr.attr,
681c6f7a
MH		 1482 &sensor_dev_attr_in1_input.dev_attr.attr,
1483 &sensor_dev_attr_in1_max.dev_attr.attr,
1484 &sensor_dev_attr_in1_min.dev_attr.attr,
a9273cb8 1485 &sensor_dev_attr_in1_alarm.dev_attr.attr,
681c6f7a
MH		 1486 &sensor_dev_attr_in2_input.dev_attr.attr,
1487 &sensor_dev_attr_in2_max.dev_attr.attr,
1488 &sensor_dev_attr_in2_min.dev_attr.attr,
a9273cb8 1489 &sensor_dev_attr_in2_alarm.dev_attr.attr,
681c6f7a
MH		 1490 &sensor_dev_attr_in3_input.dev_attr.attr,
1491 &sensor_dev_attr_in3_max.dev_attr.attr,
1492 &sensor_dev_attr_in3_min.dev_attr.attr,
a9273cb8 1493 &sensor_dev_attr_in3_alarm.dev_attr.attr,
681c6f7a
MH		 1494 &sensor_dev_attr_in4_input.dev_attr.attr,
1495 &sensor_dev_attr_in4_max.dev_attr.attr,
1496 &sensor_dev_attr_in4_min.dev_attr.attr,
a9273cb8 1497 &sensor_dev_attr_in4_alarm.dev_attr.attr,
681c6f7a
MH		 1498 &sensor_dev_attr_in5_input.dev_attr.attr,
1499 &sensor_dev_attr_in5_max.dev_attr.attr,
1500 &sensor_dev_attr_in5_min.dev_attr.attr,
a9273cb8 1501 &sensor_dev_attr_in5_alarm.dev_attr.attr,
681c6f7a
MH		 1502 &sensor_dev_attr_in6_input.dev_attr.attr,
1503 &sensor_dev_attr_in6_max.dev_attr.attr,
1504 &sensor_dev_attr_in6_min.dev_attr.attr,
a9273cb8 1505 &sensor_dev_attr_in6_alarm.dev_attr.attr,
681c6f7a
MH		 1506 &sensor_dev_attr_in7_input.dev_attr.attr,
1507 &sensor_dev_attr_in7_max.dev_attr.attr,
1508 &sensor_dev_attr_in7_min.dev_attr.attr,
a9273cb8 1509 &sensor_dev_attr_in7_alarm.dev_attr.attr,
681c6f7a
MH		 1510 &sensor_dev_attr_in10_input.dev_attr.attr,
1511 &sensor_dev_attr_in10_max.dev_attr.attr,
1512 &sensor_dev_attr_in10_min.dev_attr.attr,
a9273cb8 1513 &sensor_dev_attr_in10_alarm.dev_attr.attr,
681c6f7a
MH		 1514 &sensor_dev_attr_in11_input.dev_attr.attr,
1515 &sensor_dev_attr_in11_max.dev_attr.attr,
1516 &sensor_dev_attr_in11_min.dev_attr.attr,
a9273cb8 1517 &sensor_dev_attr_in11_alarm.dev_attr.attr,
681c6f7a
MH		 1518 &sensor_dev_attr_in12_input.dev_attr.attr,
1519 &sensor_dev_attr_in12_max.dev_attr.attr,
1520 &sensor_dev_attr_in12_min.dev_attr.attr,
a9273cb8 1521 &sensor_dev_attr_in12_alarm.dev_attr.attr,
681c6f7a
MH		 1522 &sensor_dev_attr_in13_input.dev_attr.attr,
1523 &sensor_dev_attr_in13_max.dev_attr.attr,
1524 &sensor_dev_attr_in13_min.dev_attr.attr,
a9273cb8 1525 &sensor_dev_attr_in13_alarm.dev_attr.attr,
681c6f7a
MH		 1526 &sensor_dev_attr_in14_input.dev_attr.attr,
1527 &sensor_dev_attr_in14_max.dev_attr.attr,
1528 &sensor_dev_attr_in14_min.dev_attr.attr,
a9273cb8 1529 &sensor_dev_attr_in14_alarm.dev_attr.attr,
681c6f7a
MH		 1530 &sensor_dev_attr_in15_input.dev_attr.attr,
1531 &sensor_dev_attr_in15_max.dev_attr.attr,
1532 &sensor_dev_attr_in15_min.dev_attr.attr,
a9273cb8 1533 &sensor_dev_attr_in15_alarm.dev_attr.attr,
681c6f7a
MH		 1534 &sensor_dev_attr_in16_input.dev_attr.attr,
1535 &sensor_dev_attr_in16_max.dev_attr.attr,
1536 &sensor_dev_attr_in16_min.dev_attr.attr,
a9273cb8 1537 &sensor_dev_attr_in16_alarm.dev_attr.attr,
681c6f7a
MH		 1538 &sensor_dev_attr_fan1_input.dev_attr.attr,
1539 &sensor_dev_attr_fan1_div.dev_attr.attr,
1540 &sensor_dev_attr_fan1_min.dev_attr.attr,
a9273cb8 1541 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
681c6f7a
MH		 1542 &sensor_dev_attr_fan2_input.dev_attr.attr,
1543 &sensor_dev_attr_fan2_div.dev_attr.attr,
1544 &sensor_dev_attr_fan2_min.dev_attr.attr,
a9273cb8 1545 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
681c6f7a
MH		 1546 &sensor_dev_attr_fan3_input.dev_attr.attr,
1547 &sensor_dev_attr_fan3_div.dev_attr.attr,
1548 &sensor_dev_attr_fan3_min.dev_attr.attr,
a9273cb8 1549 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
681c6f7a
MH		 1550 &sensor_dev_attr_fan4_input.dev_attr.attr,
1551 &sensor_dev_attr_fan4_div.dev_attr.attr,
1552 &sensor_dev_attr_fan4_min.dev_attr.attr,
a9273cb8 1553 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
681c6f7a
MH		 1554 &sensor_dev_attr_fan5_input.dev_attr.attr,
1555 &sensor_dev_attr_fan5_div.dev_attr.attr,
1556 &sensor_dev_attr_fan5_min.dev_attr.attr,
a9273cb8 1557 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
681c6f7a
MH		 1558 &sensor_dev_attr_fan6_input.dev_attr.attr,
1559 &sensor_dev_attr_fan6_div.dev_attr.attr,
1560 &sensor_dev_attr_fan6_min.dev_attr.attr,
a9273cb8 1561 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
681c6f7a
MH		 1562 &sensor_dev_attr_fan7_input.dev_attr.attr,
1563 &sensor_dev_attr_fan7_div.dev_attr.attr,
1564 &sensor_dev_attr_fan7_min.dev_attr.attr,
a9273cb8 1565 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
681c6f7a
MH		 1566 &sensor_dev_attr_fan8_input.dev_attr.attr,
1567 &sensor_dev_attr_fan8_div.dev_attr.attr,
1568 &sensor_dev_attr_fan8_min.dev_attr.attr,
a9273cb8 1569 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
681c6f7a
MH		 1570 &sensor_dev_attr_temp1_input.dev_attr.attr,
1571 &sensor_dev_attr_temp1_max.dev_attr.attr,
1572 &sensor_dev_attr_temp1_min.dev_attr.attr,
a9273cb8 1573 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
681c6f7a
MH		 1574 &sensor_dev_attr_temp2_input.dev_attr.attr,
1575 &sensor_dev_attr_temp2_max.dev_attr.attr,
1576 &sensor_dev_attr_temp2_min.dev_attr.attr,
a9273cb8 1577 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
681c6f7a
MH		 1578 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1579 &sensor_dev_attr_temp2_offset.dev_attr.attr,
681c6f7a
MH		 1580 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1581 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
681c6f7a
MH		 1582 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1583 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
681c6f7a
MH		 1584 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1585 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
681c6f7a
MH		 1586 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1587 &sensor_dev_attr_temp2_crit.dev_attr.attr,
681c6f7a
MH		 1588 &dev_attr_temp1_crit_enable.attr,
1589 &dev_attr_temp2_crit_enable.attr,
681c6f7a
MH		 1590 &dev_attr_cpu0_vid.attr,
1591 &dev_attr_vrm.attr,
1592 &dev_attr_alarms.attr,
1593 &dev_attr_alarm_mask.attr,
1594 &dev_attr_gpio.attr,
1595 &dev_attr_gpio_mask.attr,
1596 &dev_attr_pwm1.attr,
1597 &dev_attr_pwm2.attr,
1598 &dev_attr_pwm3.attr,
1599 &dev_attr_pwm1_enable.attr,
1600 &dev_attr_pwm2_enable.attr,
1601 &dev_attr_pwm3_enable.attr,
1602 &dev_attr_temp1_auto_point1_pwm.attr,
1603 &dev_attr_temp2_auto_point1_pwm.attr,
681c6f7a
MH		 1604 &dev_attr_temp1_auto_point2_pwm.attr,
1605 &dev_attr_temp2_auto_point2_pwm.attr,
681c6f7a
MH		 1606 &dev_attr_analog_out.attr,
1607 NULL
1608};
1609
1610static const struct attribute_group adm1026_group = {
1611 .attrs = adm1026_attributes,
1612};
1613
5b34dbcd
JD		 1614static struct attribute *adm1026_attributes_temp3[] = {
1615 &sensor_dev_attr_temp3_input.dev_attr.attr,
1616 &sensor_dev_attr_temp3_max.dev_attr.attr,
1617 &sensor_dev_attr_temp3_min.dev_attr.attr,
1618 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1619 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1620 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1621 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1622 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1623 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1624 &dev_attr_temp3_crit_enable.attr,
1625 &dev_attr_temp3_auto_point1_pwm.attr,
1626 &dev_attr_temp3_auto_point2_pwm.attr,
1627};
1628
1629static const struct attribute_group adm1026_group_temp3 = {
1630 .attrs = adm1026_attributes_temp3,
1631};
1632
1633static struct attribute *adm1026_attributes_in8_9[] = {
1634 &sensor_dev_attr_in8_input.dev_attr.attr,
1635 &sensor_dev_attr_in8_max.dev_attr.attr,
1636 &sensor_dev_attr_in8_min.dev_attr.attr,
1637 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1638 &sensor_dev_attr_in9_input.dev_attr.attr,
1639 &sensor_dev_attr_in9_max.dev_attr.attr,
1640 &sensor_dev_attr_in9_min.dev_attr.attr,
1641 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1642};
1643
1644static const struct attribute_group adm1026_group_in8_9 = {
1645 .attrs = adm1026_attributes_in8_9,
1646};
1647
c49efcef
BD		 1648static int adm1026_detect(struct i2c_adapter *adapter, int address,
1649 int kind)
1da177e4
LT		 1650{
1651 int company, verstep;
f67fdabf 1652 struct i2c_client *client;
1da177e4
LT		 1653 struct adm1026_data *data;
1654 int err = 0;
1655 const char *type_name = "";
1656
1657 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1658 /* We need to be able to do byte I/O */
1659 goto exit;
1660 };
1661
1662 /* OK. For now, we presume we have a valid client. We now create the
1663 client structure, even though we cannot fill it completely yet.
1664 But it allows us to access adm1026_{read,write}_value. */
1665
ba9c2e8d 1666 if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
1da177e4
LT		 1667 err = -ENOMEM;
1668 goto exit;
1669 }
1670
f67fdabf
JD		 1671 client = &data->client;
1672 i2c_set_clientdata(client, data);
1673 client->addr = address;
1674 client->adapter = adapter;
1675 client->driver = &adm1026_driver;
1da177e4
LT		 1676
1677 /* Now, we do the remaining detection. */
1678
f67fdabf
JD		 1679 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1680 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1da177e4 1681
f67fdabf 1682 dev_dbg(&client->dev, "Detecting device at %d,0x%02x with"
1da177e4 1683 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
f67fdabf 1684 i2c_adapter_id(client->adapter), client->addr,
1da177e4
LT		 1685 company, verstep);
1686
1687 /* If auto-detecting, Determine the chip type. */
1688 if (kind <= 0) {
f67fdabf 1689 dev_dbg(&client->dev, "Autodetecting device at %d,0x%02x "
1da177e4
LT		 1690 "...\n", i2c_adapter_id(adapter), address);
1691 if (company == ADM1026_COMPANY_ANALOG_DEV
1692 && verstep == ADM1026_VERSTEP_ADM1026) {
1693 kind = adm1026;
1694 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1695 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1696 dev_err(&adapter->dev, ": Unrecognized stepping "
1697 "0x%02x. Defaulting to ADM1026.\n", verstep);
1698 kind = adm1026;
1699 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1700 dev_err(&adapter->dev, ": Found version/stepping "
1701 "0x%02x. Assuming generic ADM1026.\n",
1702 verstep);
1703 kind = any_chip;
1704 } else {
f67fdabf 1705 dev_dbg(&client->dev, ": Autodetection "
1da177e4
LT		 1706 "failed\n");
1707 /* Not an ADM1026 ... */
cb01a231 1708 if (kind == 0) { /* User used force=x,y */
1da177e4
LT		 1709 dev_err(&adapter->dev, "Generic ADM1026 not "
1710 "found at %d,0x%02x. Try "
1711 "force_adm1026.\n",
1712 i2c_adapter_id(adapter), address);
1713 }
1da177e4
LT		 1714 goto exitfree;
1715 }
1716 }
1717
1718 /* Fill in the chip specific driver values */
1719 switch (kind) {
1720 case any_chip :
1721 type_name = "adm1026";
1722 break;
1723 case adm1026 :
1724 type_name = "adm1026";
1725 break;
1726 default :
1727 dev_err(&adapter->dev, ": Internal error, invalid "
898eb71c 1728 "kind (%d)!\n", kind);
1da177e4
LT		 1729 err = -EFAULT;
1730 goto exitfree;
1731 }
f67fdabf 1732 strlcpy(client->name, type_name, I2C_NAME_SIZE);
1da177e4
LT		 1733
1734 /* Fill in the remaining client fields */
9a61bf63 1735 mutex_init(&data->update_lock);
1da177e4
LT		 1736
1737 /* Tell the I2C layer a new client has arrived */
f67fdabf 1738 if ((err = i2c_attach_client(client)))
1da177e4
LT		 1739 goto exitfree;
1740
1741 /* Set the VRM version */
303760b4 1742 data->vrm = vid_which_vrm();
1da177e4
LT		 1743
1744 /* Initialize the ADM1026 chip */
f67fdabf 1745 adm1026_init_client(client);
1da177e4
LT		 1746
1747 /* Register sysfs hooks */
f67fdabf 1748 if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
681c6f7a 1749 goto exitdetach;
5b34dbcd
JD		 1750 if (data->config1 & CFG1_AIN8_9)
1751 err = sysfs_create_group(&client->dev.kobj,
1752 &adm1026_group_in8_9);
1753 else
1754 err = sysfs_create_group(&client->dev.kobj,
1755 &adm1026_group_temp3);
1756 if (err)
1757 goto exitremove;
681c6f7a 1758
f67fdabf 1759 data->hwmon_dev = hwmon_device_register(&client->dev);
1beeffe4
TJ		 1760 if (IS_ERR(data->hwmon_dev)) {
1761 err = PTR_ERR(data->hwmon_dev);
681c6f7a 1762 goto exitremove;
943b0830
MH		 1763 }
1764
1da177e4
LT		 1765 return 0;
1766
1767 /* Error out and cleanup code */
681c6f7a 1768exitremove:
f67fdabf 1769 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1770 if (data->config1 & CFG1_AIN8_9)
1771 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1772 else
1773 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
943b0830 1774exitdetach:
f67fdabf 1775 i2c_detach_client(client);
1da177e4 1776exitfree:
1f57ff89 1777 kfree(data);
1da177e4
LT		 1778exit:
1779 return err;
1780}
681c6f7a
MH		 1781
1782static int adm1026_detach_client(struct i2c_client *client)
1783{
1784 struct adm1026_data *data = i2c_get_clientdata(client);
1beeffe4 1785 hwmon_device_unregister(data->hwmon_dev);
681c6f7a 1786 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
5b34dbcd
JD		 1787 if (data->config1 & CFG1_AIN8_9)
1788 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1789 else
1790 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
681c6f7a
MH		 1791 i2c_detach_client(client);
1792 kfree(data);
1793 return 0;
1794}
1795
1da177e4
LT		 1796static int __init sm_adm1026_init(void)
1797{
1798 return i2c_add_driver(&adm1026_driver);
1799}
1800
cb01a231 1801static void __exit sm_adm1026_exit(void)
1da177e4
LT		 1802{
1803 i2c_del_driver(&adm1026_driver);
1804}
1805
1806MODULE_LICENSE("GPL");
1807MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
cb01a231 1808 "Justin Thiessen <jthiessen@penguincomputing.com>");
1da177e4
LT		 1809MODULE_DESCRIPTION("ADM1026 driver");
1810
1811module_init(sm_adm1026_init);
1812module_exit(sm_adm1026_exit);
Linux 6.x block layer and io_uring tree(s)