projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[PATCH] I2C: Drop unneeded i2c-dev.h includes
[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
LT		 42
43static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
44 -1, -1, -1, -1, -1, -1, -1, -1 };
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 };
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 "
56 "outputs");
57module_param_array(gpio_inverted,int,NULL,0);
58MODULE_PARM_DESC(gpio_inverted,"List of GPIO pins (0-16) to program as "
59 "inverted");
60module_param_array(gpio_normal,int,NULL,0);
61MODULE_PARM_DESC(gpio_normal,"List of GPIO pins (0-16) to program as "
62 "normal/non-inverted");
63module_param_array(gpio_fan,int,NULL,0);
64MODULE_PARM_DESC(gpio_fan,"List of GPIO pins (0-7) to program as fan tachs");
65
66/* Many ADM1026 constants specified below */
67
68/* The ADM1026 registers */
69#define ADM1026_REG_CONFIG1 0x00
70#define CFG1_MONITOR 0x01
71#define CFG1_INT_ENABLE 0x02
72#define CFG1_INT_CLEAR 0x04
73#define CFG1_AIN8_9 0x08
74#define CFG1_THERM_HOT 0x10
75#define CFG1_DAC_AFC 0x20
76#define CFG1_PWM_AFC 0x40
77#define CFG1_RESET 0x80
78#define ADM1026_REG_CONFIG2 0x01
79/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
80#define ADM1026_REG_CONFIG3 0x07
81#define CFG3_GPIO16_ENABLE 0x01
82#define CFG3_CI_CLEAR 0x02
83#define CFG3_VREF_250 0x04
84#define CFG3_GPIO16_DIR 0x40
85#define CFG3_GPIO16_POL 0x80
86#define ADM1026_REG_E2CONFIG 0x13
87#define E2CFG_READ 0x01
88#define E2CFG_WRITE 0x02
89#define E2CFG_ERASE 0x04
90#define E2CFG_ROM 0x08
91#define E2CFG_CLK_EXT 0x80
92
93/* There are 10 general analog inputs and 7 dedicated inputs
94 * They are:
95 * 0 - 9 = AIN0 - AIN9
96 * 10 = Vbat
97 * 11 = 3.3V Standby
98 * 12 = 3.3V Main
99 * 13 = +5V
100 * 14 = Vccp (CPU core voltage)
101 * 15 = +12V
102 * 16 = -12V
103 */
104static u16 ADM1026_REG_IN[] = {
105 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
106 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
107 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
108 };
109static u16 ADM1026_REG_IN_MIN[] = {
110 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
111 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
112 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
113 };
114static u16 ADM1026_REG_IN_MAX[] = {
115 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
116 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
117 0x43, 0x44, 0x45, 0x46, 0x47
118 };
119
120/* Temperatures are:
121 * 0 - Internal
122 * 1 - External 1
123 * 2 - External 2
124 */
125static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
126static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
127static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
128static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
129static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
130static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
131
132#define ADM1026_REG_FAN(nr) (0x38 + (nr))
133#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
134#define ADM1026_REG_FAN_DIV_0_3 0x02
135#define ADM1026_REG_FAN_DIV_4_7 0x03
136
137#define ADM1026_REG_DAC 0x04
138#define ADM1026_REG_PWM 0x05
139
140#define ADM1026_REG_GPIO_CFG_0_3 0x08
141#define ADM1026_REG_GPIO_CFG_4_7 0x09
142#define ADM1026_REG_GPIO_CFG_8_11 0x0a
143#define ADM1026_REG_GPIO_CFG_12_15 0x0b
144/* CFG_16 in REG_CFG3 */
145#define ADM1026_REG_GPIO_STATUS_0_7 0x24
146#define ADM1026_REG_GPIO_STATUS_8_15 0x25
147/* STATUS_16 in REG_STATUS4 */
148#define ADM1026_REG_GPIO_MASK_0_7 0x1c
149#define ADM1026_REG_GPIO_MASK_8_15 0x1d
150/* MASK_16 in REG_MASK4 */
151
152#define ADM1026_REG_COMPANY 0x16
153#define ADM1026_REG_VERSTEP 0x17
154/* These are the recognized values for the above regs */
155#define ADM1026_COMPANY_ANALOG_DEV 0x41
156#define ADM1026_VERSTEP_GENERIC 0x40
157#define ADM1026_VERSTEP_ADM1026 0x44
158
159#define ADM1026_REG_MASK1 0x18
160#define ADM1026_REG_MASK2 0x19
161#define ADM1026_REG_MASK3 0x1a
162#define ADM1026_REG_MASK4 0x1b
163
164#define ADM1026_REG_STATUS1 0x20
165#define ADM1026_REG_STATUS2 0x21
166#define ADM1026_REG_STATUS3 0x22
167#define ADM1026_REG_STATUS4 0x23
168
169#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
170#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
171#define ADM1026_PWM_MAX 255
172
173/* Conversions. Rounding and limit checking is only done on the TO_REG
174 * variants. Note that you should be a bit careful with which arguments
175 * these macros are called: arguments may be evaluated more than once.
176 */
177
178/* IN are scaled acording to built-in resistors. These are the
179 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
180 * NOTE: The -12V input needs an additional factor to account
181 * for the Vref pullup resistor.
182 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
183 * = 13875 * 2.50 / 1.875 - 2500
184 * = 16000
185 *
186 * The values in this table are based on Table II, page 15 of the
187 * datasheet.
188 */
189static int adm1026_scaling[] = { /* .001 Volts */
190 2250, 2250, 2250, 2250, 2250, 2250,
191 1875, 1875, 1875, 1875, 3000, 3330,
192 3330, 4995, 2250, 12000, 13875
193 };
194#define NEG12_OFFSET 16000
195#define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
196#define INS_TO_REG(n,val) (SENSORS_LIMIT(SCALE(val,adm1026_scaling[n],192),\
197 0,255))
198#define INS_FROM_REG(n,val) (SCALE(val,192,adm1026_scaling[n]))
199
200/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
201 * and we assume a 2 pulse-per-rev fan tach signal
202 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
203 */
204#define FAN_TO_REG(val,div) ((val)<=0 ? 0xff : SENSORS_LIMIT(1350000/((val)*\
205 (div)),1,254))
206#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==0xff ? 0 : 1350000/((val)*\
207 (div)))
208#define DIV_FROM_REG(val) (1<<(val))
209#define DIV_TO_REG(val) ((val)>=8 ? 3 : (val)>=4 ? 2 : (val)>=2 ? 1 : 0)
210
211/* Temperature is reported in 1 degC increments */
212#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
213 -127,127))
214#define TEMP_FROM_REG(val) ((val) * 1000)
215#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
216 -127,127))
217#define OFFSET_FROM_REG(val) ((val) * 1000)
218
219#define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
220#define PWM_FROM_REG(val) (val)
221
222#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
223#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
224
225/* Analog output is a voltage, and scaled to millivolts. The datasheet
226 * indicates that the DAC could be used to drive the fans, but in our
227 * example board (Arima HDAMA) it isn't connected to the fans at all.
228 */
229#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500),0,255))
230#define DAC_FROM_REG(val) (((val)*2500)/255)
231
232/* Typically used with systems using a v9.1 VRM spec ? */
233#define ADM1026_INIT_VRM 91
234
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 */
246#define ADM1026_DATA_INTERVAL (1 * HZ)
247#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
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;
943b0830 263 struct class_device *class_dev;
9a61bf63 264 struct mutex lock;
1da177e4
LT		 265 enum chips type;
266
9a61bf63 267 struct mutex update_lock;
1da177e4
LT		 268 int valid; /* !=0 if following fields are valid */
269 unsigned long last_reading; /* In jiffies */
270 unsigned long last_config; /* In jiffies */
271
272 u8 in[17]; /* Register value */
273 u8 in_max[17]; /* Register value */
274 u8 in_min[17]; /* Register value */
275 s8 temp[3]; /* Register value */
276 s8 temp_min[3]; /* Register value */
277 s8 temp_max[3]; /* Register value */
278 s8 temp_tmin[3]; /* Register value */
279 s8 temp_crit[3]; /* Register value */
280 s8 temp_offset[3]; /* Register value */
281 u8 fan[8]; /* Register value */
282 u8 fan_min[8]; /* Register value */
283 u8 fan_div[8]; /* Decoded value */
284 struct pwm_data pwm1; /* Pwm control values */
285 int vid; /* Decoded value */
286 u8 vrm; /* VRM version */
287 u8 analog_out; /* Register value (DAC) */
288 long alarms; /* Register encoding, combined */
289 long alarm_mask; /* Register encoding, combined */
290 long gpio; /* Register encoding, combined */
291 long gpio_mask; /* Register encoding, combined */
292 u8 gpio_config[17]; /* Decoded value */
293 u8 config1; /* Register value */
294 u8 config2; /* Register value */
295 u8 config3; /* Register value */
296};
297
298static int adm1026_attach_adapter(struct i2c_adapter *adapter);
299static int adm1026_detect(struct i2c_adapter *adapter, int address,
300 int kind);
301static int adm1026_detach_client(struct i2c_client *client);
302static int adm1026_read_value(struct i2c_client *client, u8 register);
303static int adm1026_write_value(struct i2c_client *client, u8 register,
304 int value);
305static void adm1026_print_gpio(struct i2c_client *client);
306static void adm1026_fixup_gpio(struct i2c_client *client);
307static struct adm1026_data *adm1026_update_device(struct device *dev);
308static void adm1026_init_client(struct i2c_client *client);
309
310
311static struct i2c_driver adm1026_driver = {
cdaf7934 312 .driver = {
cdaf7934
LR		 313 .name = "adm1026",
314 },
1da177e4
LT		 315 .attach_adapter = adm1026_attach_adapter,
316 .detach_client = adm1026_detach_client,
317};
318
c49efcef 319static int adm1026_attach_adapter(struct i2c_adapter *adapter)
1da177e4
LT		 320{
321 if (!(adapter->class & I2C_CLASS_HWMON)) {
322 return 0;
323 }
2ed2dc3c 324 return i2c_probe(adapter, &addr_data, adm1026_detect);
1da177e4
LT		 325}
326
c49efcef 327static int adm1026_detach_client(struct i2c_client *client)
1da177e4 328{
943b0830
MH		 329 struct adm1026_data *data = i2c_get_clientdata(client);
330 hwmon_device_unregister(data->class_dev);
1da177e4 331 i2c_detach_client(client);
943b0830 332 kfree(data);
1da177e4
LT		 333 return 0;
334}
335
c49efcef 336static int adm1026_read_value(struct i2c_client *client, u8 reg)
1da177e4
LT		 337{
338 int res;
339
340 if (reg < 0x80) {
341 /* "RAM" locations */
342 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
343 } else {
344 /* EEPROM, do nothing */
345 res = 0;
346 }
347 return res;
348}
349
c49efcef 350static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
1da177e4
LT		 351{
352 int res;
353
354 if (reg < 0x80) {
355 /* "RAM" locations */
356 res = i2c_smbus_write_byte_data(client, reg, value);
357 } else {
358 /* EEPROM, do nothing */
359 res = 0;
360 }
361 return res;
362}
363
c49efcef 364static void adm1026_init_client(struct i2c_client *client)
1da177e4
LT		 365{
366 int value, i;
367 struct adm1026_data *data = i2c_get_clientdata(client);
368
369 dev_dbg(&client->dev, "Initializing device\n");
370 /* Read chip config */
371 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
372 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
373 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
374
375 /* Inform user of chip config */
376 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
377 data->config1);
378 if ((data->config1 & CFG1_MONITOR) == 0) {
379 dev_dbg(&client->dev, "Monitoring not currently "
380 "enabled.\n");
381 }
382 if (data->config1 & CFG1_INT_ENABLE) {
383 dev_dbg(&client->dev, "SMBALERT interrupts are "
384 "enabled.\n");
385 }
386 if (data->config1 & CFG1_AIN8_9) {
387 dev_dbg(&client->dev, "in8 and in9 enabled. "
388 "temp3 disabled.\n");
389 } else {
390 dev_dbg(&client->dev, "temp3 enabled. in8 and "
391 "in9 disabled.\n");
392 }
393 if (data->config1 & CFG1_THERM_HOT) {
394 dev_dbg(&client->dev, "Automatic THERM, PWM, "
395 "and temp limits enabled.\n");
396 }
397
398 value = data->config3;
399 if (data->config3 & CFG3_GPIO16_ENABLE) {
368609c5 400 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
1da177e4
LT		 401 "pin disabled.\n");
402 } else {
403 dev_dbg(&client->dev, "THERM pin enabled. "
404 "GPIO16 disabled.\n");
405 }
406 if (data->config3 & CFG3_VREF_250) {
407 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
408 } else {
409 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
410 }
411 /* Read and pick apart the existing GPIO configuration */
412 value = 0;
413 for (i = 0;i <= 15;++i) {
414 if ((i & 0x03) == 0) {
415 value = adm1026_read_value(client,
416 ADM1026_REG_GPIO_CFG_0_3 + i/4);
417 }
418 data->gpio_config[i] = value & 0x03;
419 value >>= 2;
420 }
421 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
422
423 /* ... and then print it */
424 adm1026_print_gpio(client);
425
426 /* If the user asks us to reprogram the GPIO config, then
427 * do it now.
428 */
429 if (gpio_input[0] != -1 || gpio_output[0] != -1
430 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
431 || gpio_fan[0] != -1) {
432 adm1026_fixup_gpio(client);
433 }
434
435 /* WE INTENTIONALLY make no changes to the limits,
436 * offsets, pwms, fans and zones. If they were
437 * configured, we don't want to mess with them.
438 * If they weren't, the default is 100% PWM, no
439 * control and will suffice until 'sensors -s'
440 * can be run by the user. We DO set the default
441 * value for pwm1.auto_pwm_min to its maximum
442 * so that enabling automatic pwm fan control
443 * without first setting a value for pwm1.auto_pwm_min
444 * will not result in potentially dangerous fan speed decrease.
445 */
446 data->pwm1.auto_pwm_min=255;
447 /* Start monitoring */
448 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
449 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
450 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
451 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
452 data->config1 = value;
453 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
454
455 /* initialize fan_div[] to hardware defaults */
456 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
457 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
458 for (i = 0;i <= 7;++i) {
459 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
460 value >>= 2;
461 }
462}
463
c49efcef 464static void adm1026_print_gpio(struct i2c_client *client)
1da177e4
LT		 465{
466 struct adm1026_data *data = i2c_get_clientdata(client);
467 int i;
468
469 dev_dbg(&client->dev, "GPIO config is:");
470 for (i = 0;i <= 7;++i) {
471 if (data->config2 & (1 << i)) {
472 dev_dbg(&client->dev, "\t%sGP%s%d\n",
473 data->gpio_config[i] & 0x02 ? "" : "!",
474 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
475 i);
476 } else {
477 dev_dbg(&client->dev, "\tFAN%d\n", i);
478 }
479 }
480 for (i = 8;i <= 15;++i) {
481 dev_dbg(&client->dev, "\t%sGP%s%d\n",
482 data->gpio_config[i] & 0x02 ? "" : "!",
483 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
484 i);
485 }
486 if (data->config3 & CFG3_GPIO16_ENABLE) {
487 dev_dbg(&client->dev, "\t%sGP%s16\n",
488 data->gpio_config[16] & 0x02 ? "" : "!",
489 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
490 } else {
491 /* GPIO16 is THERM */
492 dev_dbg(&client->dev, "\tTHERM\n");
493 }
494}
495
c49efcef 496static void adm1026_fixup_gpio(struct i2c_client *client)
1da177e4
LT		 497{
498 struct adm1026_data *data = i2c_get_clientdata(client);
499 int i;
500 int value;
501
502 /* Make the changes requested. */
503 /* We may need to unlock/stop monitoring or soft-reset the
504 * chip before we can make changes. This hasn't been
505 * tested much. FIXME
506 */
507
508 /* Make outputs */
509 for (i = 0;i <= 16;++i) {
510 if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
511 data->gpio_config[gpio_output[i]] |= 0x01;
512 }
513 /* if GPIO0-7 is output, it isn't a FAN tach */
514 if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
515 data->config2 |= 1 << gpio_output[i];
516 }
517 }
518
519 /* Input overrides output */
520 for (i = 0;i <= 16;++i) {
521 if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
522 data->gpio_config[gpio_input[i]] &= ~ 0x01;
523 }
524 /* if GPIO0-7 is input, it isn't a FAN tach */
525 if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
526 data->config2 |= 1 << gpio_input[i];
527 }
528 }
529
530 /* Inverted */
531 for (i = 0;i <= 16;++i) {
532 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
533 data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
534 }
535 }
536
537 /* Normal overrides inverted */
538 for (i = 0;i <= 16;++i) {
539 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
540 data->gpio_config[gpio_normal[i]] |= 0x02;
541 }
542 }
543
544 /* Fan overrides input and output */
545 for (i = 0;i <= 7;++i) {
546 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
547 data->config2 &= ~(1 << gpio_fan[i]);
548 }
549 }
550
551 /* Write new configs to registers */
552 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
553 data->config3 = (data->config3 & 0x3f)
554 | ((data->gpio_config[16] & 0x03) << 6);
555 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
556 for (i = 15, value = 0;i >= 0;--i) {
557 value <<= 2;
558 value |= data->gpio_config[i] & 0x03;
559 if ((i & 0x03) == 0) {
560 adm1026_write_value(client,
561 ADM1026_REG_GPIO_CFG_0_3 + i/4,
562 value);
563 value = 0;
564 }
565 }
566
567 /* Print the new config */
568 adm1026_print_gpio(client);
569}
570
571
572static struct adm1026_data *adm1026_update_device(struct device *dev)
573{
574 struct i2c_client *client = to_i2c_client(dev);
575 struct adm1026_data *data = i2c_get_clientdata(client);
576 int i;
577 long value, alarms, gpio;
578
9a61bf63 579 mutex_lock(&data->update_lock);
1da177e4
LT		 580 if (!data->valid
581 || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
582 /* Things that change quickly */
583 dev_dbg(&client->dev,"Reading sensor values\n");
584 for (i = 0;i <= 16;++i) {
585 data->in[i] =
586 adm1026_read_value(client, ADM1026_REG_IN[i]);
587 }
588
589 for (i = 0;i <= 7;++i) {
590 data->fan[i] =
591 adm1026_read_value(client, ADM1026_REG_FAN(i));
592 }
593
594 for (i = 0;i <= 2;++i) {
595 /* NOTE: temp[] is s8 and we assume 2's complement
596 * "conversion" in the assignment */
597 data->temp[i] =
598 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
599 }
600
601 data->pwm1.pwm = adm1026_read_value(client,
602 ADM1026_REG_PWM);
603 data->analog_out = adm1026_read_value(client,
604 ADM1026_REG_DAC);
605 /* GPIO16 is MSbit of alarms, move it to gpio */
606 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
607 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
608 alarms &= 0x7f;
609 alarms <<= 8;
610 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
611 alarms <<= 8;
612 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
613 alarms <<= 8;
614 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
615 data->alarms = alarms;
616
617 /* Read the GPIO values */
618 gpio |= adm1026_read_value(client,
619 ADM1026_REG_GPIO_STATUS_8_15);
620 gpio <<= 8;
621 gpio |= adm1026_read_value(client,
622 ADM1026_REG_GPIO_STATUS_0_7);
623 data->gpio = gpio;
624
625 data->last_reading = jiffies;
626 }; /* last_reading */
627
628 if (!data->valid ||
629 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
630 /* Things that don't change often */
631 dev_dbg(&client->dev, "Reading config values\n");
632 for (i = 0;i <= 16;++i) {
633 data->in_min[i] = adm1026_read_value(client,
634 ADM1026_REG_IN_MIN[i]);
635 data->in_max[i] = adm1026_read_value(client,
636 ADM1026_REG_IN_MAX[i]);
637 }
638
639 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
640 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
641 << 8);
642 for (i = 0;i <= 7;++i) {
643 data->fan_min[i] = adm1026_read_value(client,
644 ADM1026_REG_FAN_MIN(i));
645 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
646 value >>= 2;
647 }
648
649 for (i = 0; i <= 2; ++i) {
650 /* NOTE: temp_xxx[] are s8 and we assume 2's
651 * complement "conversion" in the assignment
652 */
653 data->temp_min[i] = adm1026_read_value(client,
654 ADM1026_REG_TEMP_MIN[i]);
655 data->temp_max[i] = adm1026_read_value(client,
656 ADM1026_REG_TEMP_MAX[i]);
657 data->temp_tmin[i] = adm1026_read_value(client,
658 ADM1026_REG_TEMP_TMIN[i]);
659 data->temp_crit[i] = adm1026_read_value(client,
660 ADM1026_REG_TEMP_THERM[i]);
661 data->temp_offset[i] = adm1026_read_value(client,
662 ADM1026_REG_TEMP_OFFSET[i]);
663 }
664
665 /* Read the STATUS/alarm masks */
666 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
667 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
668 alarms = (alarms & 0x7f) << 8;
669 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
670 alarms <<= 8;
671 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
672 alarms <<= 8;
673 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
674 data->alarm_mask = alarms;
675
676 /* Read the GPIO values */
677 gpio |= adm1026_read_value(client,
678 ADM1026_REG_GPIO_MASK_8_15);
679 gpio <<= 8;
680 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
681 data->gpio_mask = gpio;
682
683 /* Read various values from CONFIG1 */
684 data->config1 = adm1026_read_value(client,
685 ADM1026_REG_CONFIG1);
686 if (data->config1 & CFG1_PWM_AFC) {
687 data->pwm1.enable = 2;
688 data->pwm1.auto_pwm_min =
689 PWM_MIN_FROM_REG(data->pwm1.pwm);
690 }
691 /* Read the GPIO config */
692 data->config2 = adm1026_read_value(client,
693 ADM1026_REG_CONFIG2);
694 data->config3 = adm1026_read_value(client,
695 ADM1026_REG_CONFIG3);
696 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
697
698 value = 0;
699 for (i = 0;i <= 15;++i) {
700 if ((i & 0x03) == 0) {
701 value = adm1026_read_value(client,
702 ADM1026_REG_GPIO_CFG_0_3 + i/4);
703 }
704 data->gpio_config[i] = value & 0x03;
705 value >>= 2;
706 }
707
708 data->last_config = jiffies;
709 }; /* last_config */
710
711 dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
712 data->vid = (data->gpio >> 11) & 0x1f;
713 data->valid = 1;
9a61bf63 714 mutex_unlock(&data->update_lock);
1da177e4
LT		 715 return data;
716}
717
050480f1
YI		 718static ssize_t show_in(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;
1da177e4
LT		 723 struct adm1026_data *data = adm1026_update_device(dev);
724 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in[nr]));
725}
050480f1
YI		 726static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
727 char *buf)
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 adm1026_data *data = adm1026_update_device(dev);
732 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]));
733}
050480f1
YI		 734static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
735 const char *buf, size_t count)
1da177e4 736{
050480f1
YI		 737 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
738 int nr = sensor_attr->index;
1da177e4
LT		 739 struct i2c_client *client = to_i2c_client(dev);
740 struct adm1026_data *data = i2c_get_clientdata(client);
741 int val = simple_strtol(buf, NULL, 10);
742
9a61bf63 743 mutex_lock(&data->update_lock);
1da177e4
LT		 744 data->in_min[nr] = INS_TO_REG(nr, val);
745 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
9a61bf63 746 mutex_unlock(&data->update_lock);
1da177e4
LT		 747 return count;
748}
050480f1
YI		 749static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
750 char *buf)
1da177e4 751{
050480f1
YI		 752 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
753 int nr = sensor_attr->index;
1da177e4
LT		 754 struct adm1026_data *data = adm1026_update_device(dev);
755 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]));
756}
050480f1
YI		 757static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
758 const char *buf, size_t count)
1da177e4 759{
050480f1
YI		 760 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
761 int nr = sensor_attr->index;
1da177e4
LT		 762 struct i2c_client *client = to_i2c_client(dev);
763 struct adm1026_data *data = i2c_get_clientdata(client);
764 int val = simple_strtol(buf, NULL, 10);
765
9a61bf63 766 mutex_lock(&data->update_lock);
1da177e4
LT		 767 data->in_max[nr] = INS_TO_REG(nr, val);
768 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
9a61bf63 769 mutex_unlock(&data->update_lock);
1da177e4
LT		 770 return count;
771}
772
050480f1
YI		 773#define in_reg(offset) \
774static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
775 NULL, offset); \
776static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
777 show_in_min, set_in_min, offset); \
778static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
779 show_in_max, set_in_max, offset);
1da177e4
LT		 780
781
782in_reg(0);
783in_reg(1);
784in_reg(2);
785in_reg(3);
786in_reg(4);
787in_reg(5);
788in_reg(6);
789in_reg(7);
790in_reg(8);
791in_reg(9);
792in_reg(10);
793in_reg(11);
794in_reg(12);
795in_reg(13);
796in_reg(14);
797in_reg(15);
798
74880c06 799static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 800{
801 struct adm1026_data *data = adm1026_update_device(dev);
802 return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in[16]) -
803 NEG12_OFFSET);
804}
74880c06 805static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 806{
807 struct adm1026_data *data = adm1026_update_device(dev);
808 return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_min[16])
809 - NEG12_OFFSET);
810}
74880c06 811static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 812{
813 struct i2c_client *client = to_i2c_client(dev);
814 struct adm1026_data *data = i2c_get_clientdata(client);
815 int val = simple_strtol(buf, NULL, 10);
816
9a61bf63 817 mutex_lock(&data->update_lock);
1da177e4
LT		 818 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
819 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
9a61bf63 820 mutex_unlock(&data->update_lock);
1da177e4
LT		 821 return count;
822}
74880c06 823static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 824{
825 struct adm1026_data *data = adm1026_update_device(dev);
826 return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_max[16])
827 - NEG12_OFFSET);
828}
74880c06 829static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 830{
831 struct i2c_client *client = to_i2c_client(dev);
832 struct adm1026_data *data = i2c_get_clientdata(client);
833 int val = simple_strtol(buf, NULL, 10);
834
9a61bf63 835 mutex_lock(&data->update_lock);
1da177e4
LT		 836 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
837 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
9a61bf63 838 mutex_unlock(&data->update_lock);
1da177e4
LT		 839 return count;
840}
841
050480f1
YI		 842static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
843static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
844static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
1da177e4
LT		 845
846
847
848
849/* Now add fan read/write functions */
850
050480f1
YI		 851static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
852 char *buf)
1da177e4 853{
050480f1
YI		 854 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
855 int nr = sensor_attr->index;
1da177e4
LT		 856 struct adm1026_data *data = adm1026_update_device(dev);
857 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr],
858 data->fan_div[nr]));
859}
050480f1
YI		 860static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
861 char *buf)
1da177e4 862{
050480f1
YI		 863 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
864 int nr = sensor_attr->index;
1da177e4
LT		 865 struct adm1026_data *data = adm1026_update_device(dev);
866 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
867 data->fan_div[nr]));
868}
050480f1
YI		 869static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
870 const char *buf, size_t count)
1da177e4 871{
050480f1
YI		 872 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
873 int nr = sensor_attr->index;
1da177e4
LT		 874 struct i2c_client *client = to_i2c_client(dev);
875 struct adm1026_data *data = i2c_get_clientdata(client);
876 int val = simple_strtol(buf, NULL, 10);
877
9a61bf63 878 mutex_lock(&data->update_lock);
1da177e4
LT		 879 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
880 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
881 data->fan_min[nr]);
9a61bf63 882 mutex_unlock(&data->update_lock);
1da177e4
LT		 883 return count;
884}
885
050480f1
YI		 886#define fan_offset(offset) \
887static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
888 offset - 1); \
889static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
890 show_fan_min, set_fan_min, offset - 1);
1da177e4
LT		 891
892fan_offset(1);
893fan_offset(2);
894fan_offset(3);
895fan_offset(4);
896fan_offset(5);
897fan_offset(6);
898fan_offset(7);
899fan_offset(8);
900
901/* Adjust fan_min to account for new fan divisor */
902static void fixup_fan_min(struct device *dev, int fan, int old_div)
903{
904 struct i2c_client *client = to_i2c_client(dev);
905 struct adm1026_data *data = i2c_get_clientdata(client);
906 int new_min;
907 int new_div = data->fan_div[fan];
908
909 /* 0 and 0xff are special. Don't adjust them */
910 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
911 return;
912 }
913
914 new_min = data->fan_min[fan] * old_div / new_div;
915 new_min = SENSORS_LIMIT(new_min, 1, 254);
916 data->fan_min[fan] = new_min;
917 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
918}
919
920/* Now add fan_div read/write functions */
050480f1
YI		 921static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
922 char *buf)
1da177e4 923{
050480f1
YI		 924 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
925 int nr = sensor_attr->index;
1da177e4
LT		 926 struct adm1026_data *data = adm1026_update_device(dev);
927 return sprintf(buf,"%d\n", data->fan_div[nr]);
928}
050480f1
YI		 929static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
930 const char *buf, size_t count)
1da177e4 931{
050480f1
YI		 932 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
933 int nr = sensor_attr->index;
1da177e4
LT		 934 struct i2c_client *client = to_i2c_client(dev);
935 struct adm1026_data *data = i2c_get_clientdata(client);
936 int val,orig_div,new_div,shift;
937
938 val = simple_strtol(buf, NULL, 10);
939 new_div = DIV_TO_REG(val);
940 if (new_div == 0) {
941 return -EINVAL;
942 }
9a61bf63 943 mutex_lock(&data->update_lock);
1da177e4
LT		 944 orig_div = data->fan_div[nr];
945 data->fan_div[nr] = DIV_FROM_REG(new_div);
946
947 if (nr < 4) { /* 0 <= nr < 4 */
948 shift = 2 * nr;
949 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
950 ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
951 (new_div << shift)));
952 } else { /* 3 < nr < 8 */
953 shift = 2 * (nr - 4);
954 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
955 ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
956 (new_div << shift)));
957 }
958
959 if (data->fan_div[nr] != orig_div) {
960 fixup_fan_min(dev,nr,orig_div);
961 }
9a61bf63 962 mutex_unlock(&data->update_lock);
1da177e4
LT		 963 return count;
964}
965
966#define fan_offset_div(offset) \
050480f1
YI		 967static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
968 show_fan_div, set_fan_div, offset - 1);
1da177e4
LT		 969
970fan_offset_div(1);
971fan_offset_div(2);
972fan_offset_div(3);
973fan_offset_div(4);
974fan_offset_div(5);
975fan_offset_div(6);
976fan_offset_div(7);
977fan_offset_div(8);
978
979/* Temps */
050480f1
YI		 980static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
981 char *buf)
1da177e4 982{
050480f1
YI		 983 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
984 int nr = sensor_attr->index;
1da177e4
LT		 985 struct adm1026_data *data = adm1026_update_device(dev);
986 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp[nr]));
987}
050480f1
YI		 988static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
989 char *buf)
1da177e4 990{
050480f1
YI		 991 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
992 int nr = sensor_attr->index;
1da177e4
LT		 993 struct adm1026_data *data = adm1026_update_device(dev);
994 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]));
995}
050480f1
YI		 996static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
997 const char *buf, size_t count)
1da177e4 998{
050480f1
YI		 999 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1000 int nr = sensor_attr->index;
1da177e4
LT		 1001 struct i2c_client *client = to_i2c_client(dev);
1002 struct adm1026_data *data = i2c_get_clientdata(client);
1003 int val = simple_strtol(buf, NULL, 10);
1004
9a61bf63 1005 mutex_lock(&data->update_lock);
1da177e4
LT		 1006 data->temp_min[nr] = TEMP_TO_REG(val);
1007 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
1008 data->temp_min[nr]);
9a61bf63 1009 mutex_unlock(&data->update_lock);
1da177e4
LT		 1010 return count;
1011}
050480f1
YI		 1012static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1013 char *buf)
1da177e4 1014{
050480f1
YI		 1015 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1016 int nr = sensor_attr->index;
1da177e4
LT		 1017 struct adm1026_data *data = adm1026_update_device(dev);
1018 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1019}
050480f1
YI		 1020static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1021 const char *buf, size_t count)
1da177e4 1022{
050480f1
YI		 1023 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1024 int nr = sensor_attr->index;
1da177e4
LT		 1025 struct i2c_client *client = to_i2c_client(dev);
1026 struct adm1026_data *data = i2c_get_clientdata(client);
1027 int val = simple_strtol(buf, NULL, 10);
1028
9a61bf63 1029 mutex_lock(&data->update_lock);
1da177e4
LT		 1030 data->temp_max[nr] = TEMP_TO_REG(val);
1031 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1032 data->temp_max[nr]);
9a61bf63 1033 mutex_unlock(&data->update_lock);
1da177e4
LT		 1034 return count;
1035}
050480f1
YI		 1036
1037#define temp_reg(offset) \
1038static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
1039 NULL, offset - 1); \
1040static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1041 show_temp_min, set_temp_min, offset - 1); \
1042static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1043 show_temp_max, set_temp_max, offset - 1);
1da177e4
LT		 1044
1045
1046temp_reg(1);
1047temp_reg(2);
1048temp_reg(3);
1049
050480f1
YI		 1050static ssize_t show_temp_offset(struct device *dev,
1051 struct device_attribute *attr, char *buf)
1da177e4 1052{
050480f1
YI		 1053 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1054 int nr = sensor_attr->index;
1da177e4
LT		 1055 struct adm1026_data *data = adm1026_update_device(dev);
1056 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1057}
050480f1
YI		 1058static ssize_t set_temp_offset(struct device *dev,
1059 struct device_attribute *attr, const char *buf,
1060 size_t count)
1da177e4 1061{
050480f1
YI		 1062 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1063 int nr = sensor_attr->index;
1da177e4
LT		 1064 struct i2c_client *client = to_i2c_client(dev);
1065 struct adm1026_data *data = i2c_get_clientdata(client);
1066 int val = simple_strtol(buf, NULL, 10);
1067
9a61bf63 1068 mutex_lock(&data->update_lock);
1da177e4
LT		 1069 data->temp_offset[nr] = TEMP_TO_REG(val);
1070 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1071 data->temp_offset[nr]);
9a61bf63 1072 mutex_unlock(&data->update_lock);
1da177e4
LT		 1073 return count;
1074}
1075
050480f1
YI		 1076#define temp_offset_reg(offset) \
1077static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1078 show_temp_offset, set_temp_offset, offset - 1);
1da177e4
LT		 1079
1080temp_offset_reg(1);
1081temp_offset_reg(2);
1082temp_offset_reg(3);
1083
050480f1
YI		 1084static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1085 struct device_attribute *attr, char *buf)
1da177e4 1086{
050480f1
YI		 1087 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1088 int nr = sensor_attr->index;
1da177e4
LT		 1089 struct adm1026_data *data = adm1026_update_device(dev);
1090 return sprintf(buf,"%d\n", TEMP_FROM_REG(
1091 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1092}
050480f1
YI		 1093static ssize_t show_temp_auto_point2_temp(struct device *dev,
1094 struct device_attribute *attr, char *buf)
1da177e4 1095{
050480f1
YI		 1096 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1097 int nr = sensor_attr->index;
1da177e4
LT		 1098 struct adm1026_data *data = adm1026_update_device(dev);
1099 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1100 ADM1026_FAN_CONTROL_TEMP_RANGE));
1101}
050480f1
YI		 1102static ssize_t show_temp_auto_point1_temp(struct device *dev,
1103 struct device_attribute *attr, char *buf)
1da177e4 1104{
050480f1
YI		 1105 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1106 int nr = sensor_attr->index;
1da177e4
LT		 1107 struct adm1026_data *data = adm1026_update_device(dev);
1108 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1109}
050480f1
YI		 1110static ssize_t set_temp_auto_point1_temp(struct device *dev,
1111 struct device_attribute *attr, const char *buf, size_t count)
1da177e4 1112{
050480f1
YI		 1113 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1114 int nr = sensor_attr->index;
1da177e4
LT		 1115 struct i2c_client *client = to_i2c_client(dev);
1116 struct adm1026_data *data = i2c_get_clientdata(client);
1117 int val = simple_strtol(buf, NULL, 10);
1118
9a61bf63 1119 mutex_lock(&data->update_lock);
1da177e4
LT		 1120 data->temp_tmin[nr] = TEMP_TO_REG(val);
1121 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1122 data->temp_tmin[nr]);
9a61bf63 1123 mutex_unlock(&data->update_lock);
1da177e4
LT		 1124 return count;
1125}
1126
050480f1
YI		 1127#define temp_auto_point(offset) \
1128static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, S_IRUGO | S_IWUSR, \
1129 show_temp_auto_point1_temp, set_temp_auto_point1_temp, \
1130 offset - 1); \
1131static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO, \
1132 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1133static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
1134 show_temp_auto_point2_temp, NULL, offset - 1);
1da177e4
LT		 1135
1136temp_auto_point(1);
1137temp_auto_point(2);
1138temp_auto_point(3);
1139
050480f1
YI		 1140static ssize_t show_temp_crit_enable(struct device *dev,
1141 struct device_attribute *attr, char *buf)
1da177e4
LT		 1142{
1143 struct adm1026_data *data = adm1026_update_device(dev);
1144 return sprintf(buf,"%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1145}
050480f1
YI		 1146static ssize_t set_temp_crit_enable(struct device *dev,
1147 struct device_attribute *attr, const char *buf, size_t count)
1da177e4
LT		 1148{
1149 struct i2c_client *client = to_i2c_client(dev);
1150 struct adm1026_data *data = i2c_get_clientdata(client);
1151 int val = simple_strtol(buf, NULL, 10);
1152
1153 if ((val == 1) || (val==0)) {
9a61bf63 1154 mutex_lock(&data->update_lock);
1da177e4
LT		 1155 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1156 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1157 data->config1);
9a61bf63 1158 mutex_unlock(&data->update_lock);
1da177e4
LT		 1159 }
1160 return count;
1161}
1162
050480f1
YI		 1163#define temp_crit_enable(offset) \
1164static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1da177e4
LT		 1165 show_temp_crit_enable, set_temp_crit_enable);
1166
050480f1
YI		 1167temp_crit_enable(1);
1168temp_crit_enable(2);
1169temp_crit_enable(3);
1da177e4 1170
050480f1
YI		 1171static ssize_t show_temp_crit(struct device *dev,
1172 struct device_attribute *attr, char *buf)
1da177e4 1173{
050480f1
YI		 1174 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1175 int nr = sensor_attr->index;
1da177e4
LT		 1176 struct adm1026_data *data = adm1026_update_device(dev);
1177 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1178}
050480f1
YI		 1179static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1180 const char *buf, size_t count)
1da177e4 1181{
050480f1
YI		 1182 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1183 int nr = sensor_attr->index;
1da177e4
LT		 1184 struct i2c_client *client = to_i2c_client(dev);
1185 struct adm1026_data *data = i2c_get_clientdata(client);
1186 int val = simple_strtol(buf, NULL, 10);
1187
9a61bf63 1188 mutex_lock(&data->update_lock);
1da177e4
LT		 1189 data->temp_crit[nr] = TEMP_TO_REG(val);
1190 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1191 data->temp_crit[nr]);
9a61bf63 1192 mutex_unlock(&data->update_lock);
1da177e4
LT		 1193 return count;
1194}
1195
050480f1
YI		 1196#define temp_crit_reg(offset) \
1197static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1198 show_temp_crit, set_temp_crit, offset - 1);
1da177e4
LT		 1199
1200temp_crit_reg(1);
1201temp_crit_reg(2);
1202temp_crit_reg(3);
1203
74880c06 1204static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1205{
1206 struct adm1026_data *data = adm1026_update_device(dev);
1207 return sprintf(buf,"%d\n", DAC_FROM_REG(data->analog_out));
1208}
74880c06 1209static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1210 size_t count)
1211{
1212 struct i2c_client *client = to_i2c_client(dev);
1213 struct adm1026_data *data = i2c_get_clientdata(client);
1214 int val = simple_strtol(buf, NULL, 10);
1215
9a61bf63 1216 mutex_lock(&data->update_lock);
1da177e4
LT		 1217 data->analog_out = DAC_TO_REG(val);
1218 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
9a61bf63 1219 mutex_unlock(&data->update_lock);
1da177e4
LT		 1220 return count;
1221}
1222
1223static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1224 set_analog_out_reg);
1225
74880c06 1226static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1227{
1228 struct adm1026_data *data = adm1026_update_device(dev);
1229 return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
1230}
937df8df 1231static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1da177e4 1232
74880c06 1233static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1234{
1235 struct adm1026_data *data = adm1026_update_device(dev);
1236 return sprintf(buf,"%d\n", data->vrm);
1237}
74880c06 1238static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1239 size_t count)
1240{
1241 struct i2c_client *client = to_i2c_client(dev);
1242 struct adm1026_data *data = i2c_get_clientdata(client);
1243
1244 data->vrm = simple_strtol(buf, NULL, 10);
1245 return count;
1246}
1247
1248static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1249
74880c06 1250static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1251{
1252 struct adm1026_data *data = adm1026_update_device(dev);
1253 return sprintf(buf, "%ld\n", (long) (data->alarms));
1254}
1255
1256static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1257
74880c06 1258static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1259{
1260 struct adm1026_data *data = adm1026_update_device(dev);
1261 return sprintf(buf,"%ld\n", data->alarm_mask);
1262}
74880c06 1263static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1264 size_t count)
1265{
1266 struct i2c_client *client = to_i2c_client(dev);
1267 struct adm1026_data *data = i2c_get_clientdata(client);
1268 int val = simple_strtol(buf, NULL, 10);
1269 unsigned long mask;
1270
9a61bf63 1271 mutex_lock(&data->update_lock);
1da177e4
LT		 1272 data->alarm_mask = val & 0x7fffffff;
1273 mask = data->alarm_mask
1274 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1275 adm1026_write_value(client, ADM1026_REG_MASK1,
1276 mask & 0xff);
1277 mask >>= 8;
1278 adm1026_write_value(client, ADM1026_REG_MASK2,
1279 mask & 0xff);
1280 mask >>= 8;
1281 adm1026_write_value(client, ADM1026_REG_MASK3,
1282 mask & 0xff);
1283 mask >>= 8;
1284 adm1026_write_value(client, ADM1026_REG_MASK4,
1285 mask & 0xff);
9a61bf63 1286 mutex_unlock(&data->update_lock);
1da177e4
LT		 1287 return count;
1288}
1289
1290static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1291 set_alarm_mask);
1292
1293
74880c06 1294static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1295{
1296 struct adm1026_data *data = adm1026_update_device(dev);
1297 return sprintf(buf,"%ld\n", data->gpio);
1298}
74880c06 1299static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1300 size_t count)
1301{
1302 struct i2c_client *client = to_i2c_client(dev);
1303 struct adm1026_data *data = i2c_get_clientdata(client);
1304 int val = simple_strtol(buf, NULL, 10);
1305 long gpio;
1306
9a61bf63 1307 mutex_lock(&data->update_lock);
1da177e4
LT		 1308 data->gpio = val & 0x1ffff;
1309 gpio = data->gpio;
1310 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff);
1311 gpio >>= 8;
1312 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff);
1313 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
1314 adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff);
9a61bf63 1315 mutex_unlock(&data->update_lock);
1da177e4
LT		 1316 return count;
1317}
1318
1319static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1320
1321
74880c06 1322static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1323{
1324 struct adm1026_data *data = adm1026_update_device(dev);
1325 return sprintf(buf,"%ld\n", data->gpio_mask);
1326}
74880c06 1327static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1328 size_t count)
1329{
1330 struct i2c_client *client = to_i2c_client(dev);
1331 struct adm1026_data *data = i2c_get_clientdata(client);
1332 int val = simple_strtol(buf, NULL, 10);
1333 long mask;
1334
9a61bf63 1335 mutex_lock(&data->update_lock);
1da177e4
LT		 1336 data->gpio_mask = val & 0x1ffff;
1337 mask = data->gpio_mask;
1338 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff);
1339 mask >>= 8;
1340 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff);
1341 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
1342 adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff);
9a61bf63 1343 mutex_unlock(&data->update_lock);
1da177e4
LT		 1344 return count;
1345}
1346
1347static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1348
74880c06 1349static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1350{
1351 struct adm1026_data *data = adm1026_update_device(dev);
1352 return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm1.pwm));
1353}
74880c06 1354static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1355 size_t count)
1356{
1357 struct i2c_client *client = to_i2c_client(dev);
1358 struct adm1026_data *data = i2c_get_clientdata(client);
1359
1360 if (data->pwm1.enable == 1) {
1361 int val = simple_strtol(buf, NULL, 10);
1362
9a61bf63 1363 mutex_lock(&data->update_lock);
1da177e4
LT		 1364 data->pwm1.pwm = PWM_TO_REG(val);
1365 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
9a61bf63 1366 mutex_unlock(&data->update_lock);
1da177e4
LT		 1367 }
1368 return count;
1369}
74880c06 1370static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1371{
1372 struct adm1026_data *data = adm1026_update_device(dev);
1373 return sprintf(buf,"%d\n", data->pwm1.auto_pwm_min);
1374}
74880c06 1375static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1376 size_t count)
1377{
1378 struct i2c_client *client = to_i2c_client(dev);
1379 struct adm1026_data *data = i2c_get_clientdata(client);
1380 int val = simple_strtol(buf, NULL, 10);
1381
9a61bf63 1382 mutex_lock(&data->update_lock);
1da177e4
LT		 1383 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255);
1384 if (data->pwm1.enable == 2) { /* apply immediately */
1385 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1386 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1387 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1388 }
9a61bf63 1389 mutex_unlock(&data->update_lock);
1da177e4
LT		 1390 return count;
1391}
74880c06 1392static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1393{
1394 return sprintf(buf,"%d\n", ADM1026_PWM_MAX);
1395}
74880c06 1396static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
1da177e4
LT		 1397{
1398 struct adm1026_data *data = adm1026_update_device(dev);
1399 return sprintf(buf,"%d\n", data->pwm1.enable);
1400}
74880c06 1401static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
1da177e4
LT		 1402 size_t count)
1403{
1404 struct i2c_client *client = to_i2c_client(dev);
1405 struct adm1026_data *data = i2c_get_clientdata(client);
1406 int val = simple_strtol(buf, NULL, 10);
1407 int old_enable;
1408
1409 if ((val >= 0) && (val < 3)) {
9a61bf63 1410 mutex_lock(&data->update_lock);
1da177e4
LT		 1411 old_enable = data->pwm1.enable;
1412 data->pwm1.enable = val;
1413 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1414 | ((val == 2) ? CFG1_PWM_AFC : 0);
1415 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1416 data->config1);
1417 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1418 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1419 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1420 adm1026_write_value(client, ADM1026_REG_PWM,
1421 data->pwm1.pwm);
1422 } else if (!((old_enable == 1) && (val == 1))) {
1423 /* set pwm to safe value */
1424 data->pwm1.pwm = 255;
1425 adm1026_write_value(client, ADM1026_REG_PWM,
1426 data->pwm1.pwm);
1427 }
9a61bf63 1428 mutex_unlock(&data->update_lock);
1da177e4
LT		 1429 }
1430 return count;
1431}
1432
1433/* enable PWM fan control */
1434static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1435static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1436static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1437static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1438 set_pwm_enable);
1439static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1440 set_pwm_enable);
1441static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1442 set_pwm_enable);
1443static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1444 show_auto_pwm_min, set_auto_pwm_min);
1445static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1446 show_auto_pwm_min, set_auto_pwm_min);
1447static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1448 show_auto_pwm_min, set_auto_pwm_min);
1449
1450static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1451static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1452static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1453
c49efcef
BD		 1454static int adm1026_detect(struct i2c_adapter *adapter, int address,
1455 int kind)
1da177e4
LT		 1456{
1457 int company, verstep;
1458 struct i2c_client *new_client;
1459 struct adm1026_data *data;
1460 int err = 0;
1461 const char *type_name = "";
1462
1463 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1464 /* We need to be able to do byte I/O */
1465 goto exit;
1466 };
1467
1468 /* OK. For now, we presume we have a valid client. We now create the
1469 client structure, even though we cannot fill it completely yet.
1470 But it allows us to access adm1026_{read,write}_value. */
1471
ba9c2e8d 1472 if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
1da177e4
LT		 1473 err = -ENOMEM;
1474 goto exit;
1475 }
1476
1da177e4
LT		 1477 new_client = &data->client;
1478 i2c_set_clientdata(new_client, data);
1479 new_client->addr = address;
1480 new_client->adapter = adapter;
1481 new_client->driver = &adm1026_driver;
1482 new_client->flags = 0;
1483
1484 /* Now, we do the remaining detection. */
1485
1486 company = adm1026_read_value(new_client, ADM1026_REG_COMPANY);
1487 verstep = adm1026_read_value(new_client, ADM1026_REG_VERSTEP);
1488
1489 dev_dbg(&new_client->dev, "Detecting device at %d,0x%02x with"
1490 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1491 i2c_adapter_id(new_client->adapter), new_client->addr,
1492 company, verstep);
1493
1494 /* If auto-detecting, Determine the chip type. */
1495 if (kind <= 0) {
1496 dev_dbg(&new_client->dev, "Autodetecting device at %d,0x%02x "
1497 "...\n", i2c_adapter_id(adapter), address);
1498 if (company == ADM1026_COMPANY_ANALOG_DEV
1499 && verstep == ADM1026_VERSTEP_ADM1026) {
1500 kind = adm1026;
1501 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1502 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1503 dev_err(&adapter->dev, ": Unrecognized stepping "
1504 "0x%02x. Defaulting to ADM1026.\n", verstep);
1505 kind = adm1026;
1506 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1507 dev_err(&adapter->dev, ": Found version/stepping "
1508 "0x%02x. Assuming generic ADM1026.\n",
1509 verstep);
1510 kind = any_chip;
1511 } else {
1512 dev_dbg(&new_client->dev, ": Autodetection "
1513 "failed\n");
1514 /* Not an ADM1026 ... */
1515 if (kind == 0) { /* User used force=x,y */
1516 dev_err(&adapter->dev, "Generic ADM1026 not "
1517 "found at %d,0x%02x. Try "
1518 "force_adm1026.\n",
1519 i2c_adapter_id(adapter), address);
1520 }
1521 err = 0;
1522 goto exitfree;
1523 }
1524 }
1525
1526 /* Fill in the chip specific driver values */
1527 switch (kind) {
1528 case any_chip :
1529 type_name = "adm1026";
1530 break;
1531 case adm1026 :
1532 type_name = "adm1026";
1533 break;
1534 default :
1535 dev_err(&adapter->dev, ": Internal error, invalid "
1536 "kind (%d)!", kind);
1537 err = -EFAULT;
1538 goto exitfree;
1539 }
1540 strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
1541
1542 /* Fill in the remaining client fields */
1543 data->type = kind;
1544 data->valid = 0;
9a61bf63 1545 mutex_init(&data->update_lock);
1da177e4
LT		 1546
1547 /* Tell the I2C layer a new client has arrived */
1548 if ((err = i2c_attach_client(new_client)))
1549 goto exitfree;
1550
1551 /* Set the VRM version */
303760b4 1552 data->vrm = vid_which_vrm();
1da177e4
LT		 1553
1554 /* Initialize the ADM1026 chip */
1555 adm1026_init_client(new_client);
1556
1557 /* Register sysfs hooks */
943b0830
MH		 1558 data->class_dev = hwmon_device_register(&new_client->dev);
1559 if (IS_ERR(data->class_dev)) {
1560 err = PTR_ERR(data->class_dev);
1561 goto exitdetach;
1562 }
1563
050480f1
YI		 1564 device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
1565 device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
1566 device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
1567 device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
1568 device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr);
1569 device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr);
1570 device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
1571 device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr);
1572 device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
1573 device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
1574 device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr);
1575 device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
1576 device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
1577 device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr);
1578 device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
1579 device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
1580 device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr);
1581 device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
1582 device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
1583 device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
1584 device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
1585 device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
1586 device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
1587 device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
1588 device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
1589 device_create_file(&new_client->dev, &sensor_dev_attr_in8_max.dev_attr);
1590 device_create_file(&new_client->dev, &sensor_dev_attr_in8_min.dev_attr);
1591 device_create_file(&new_client->dev, &sensor_dev_attr_in9_input.dev_attr);
1592 device_create_file(&new_client->dev, &sensor_dev_attr_in9_max.dev_attr);
1593 device_create_file(&new_client->dev, &sensor_dev_attr_in9_min.dev_attr);
1594 device_create_file(&new_client->dev, &sensor_dev_attr_in10_input.dev_attr);
1595 device_create_file(&new_client->dev, &sensor_dev_attr_in10_max.dev_attr);
1596 device_create_file(&new_client->dev, &sensor_dev_attr_in10_min.dev_attr);
1597 device_create_file(&new_client->dev, &sensor_dev_attr_in11_input.dev_attr);
1598 device_create_file(&new_client->dev, &sensor_dev_attr_in11_max.dev_attr);
1599 device_create_file(&new_client->dev, &sensor_dev_attr_in11_min.dev_attr);
1600 device_create_file(&new_client->dev, &sensor_dev_attr_in12_input.dev_attr);
1601 device_create_file(&new_client->dev, &sensor_dev_attr_in12_max.dev_attr);
1602 device_create_file(&new_client->dev, &sensor_dev_attr_in12_min.dev_attr);
1603 device_create_file(&new_client->dev, &sensor_dev_attr_in13_input.dev_attr);
1604 device_create_file(&new_client->dev, &sensor_dev_attr_in13_max.dev_attr);
1605 device_create_file(&new_client->dev, &sensor_dev_attr_in13_min.dev_attr);
1606 device_create_file(&new_client->dev, &sensor_dev_attr_in14_input.dev_attr);
1607 device_create_file(&new_client->dev, &sensor_dev_attr_in14_max.dev_attr);
1608 device_create_file(&new_client->dev, &sensor_dev_attr_in14_min.dev_attr);
1609 device_create_file(&new_client->dev, &sensor_dev_attr_in15_input.dev_attr);
1610 device_create_file(&new_client->dev, &sensor_dev_attr_in15_max.dev_attr);
1611 device_create_file(&new_client->dev, &sensor_dev_attr_in15_min.dev_attr);
1612 device_create_file(&new_client->dev, &sensor_dev_attr_in16_input.dev_attr);
1613 device_create_file(&new_client->dev, &sensor_dev_attr_in16_max.dev_attr);
1614 device_create_file(&new_client->dev, &sensor_dev_attr_in16_min.dev_attr);
1615 device_create_file(&new_client->dev, &sensor_dev_attr_fan1_input.dev_attr);
1616 device_create_file(&new_client->dev, &sensor_dev_attr_fan1_div.dev_attr);
1617 device_create_file(&new_client->dev, &sensor_dev_attr_fan1_min.dev_attr);
1618 device_create_file(&new_client->dev, &sensor_dev_attr_fan2_input.dev_attr);
1619 device_create_file(&new_client->dev, &sensor_dev_attr_fan2_div.dev_attr);
1620 device_create_file(&new_client->dev, &sensor_dev_attr_fan2_min.dev_attr);
1621 device_create_file(&new_client->dev, &sensor_dev_attr_fan3_input.dev_attr);
1622 device_create_file(&new_client->dev, &sensor_dev_attr_fan3_div.dev_attr);
1623 device_create_file(&new_client->dev, &sensor_dev_attr_fan3_min.dev_attr);
1624 device_create_file(&new_client->dev, &sensor_dev_attr_fan4_input.dev_attr);
1625 device_create_file(&new_client->dev, &sensor_dev_attr_fan4_div.dev_attr);
1626 device_create_file(&new_client->dev, &sensor_dev_attr_fan4_min.dev_attr);
1627 device_create_file(&new_client->dev, &sensor_dev_attr_fan5_input.dev_attr);
1628 device_create_file(&new_client->dev, &sensor_dev_attr_fan5_div.dev_attr);
1629 device_create_file(&new_client->dev, &sensor_dev_attr_fan5_min.dev_attr);
1630 device_create_file(&new_client->dev, &sensor_dev_attr_fan6_input.dev_attr);
1631 device_create_file(&new_client->dev, &sensor_dev_attr_fan6_div.dev_attr);
1632 device_create_file(&new_client->dev, &sensor_dev_attr_fan6_min.dev_attr);
1633 device_create_file(&new_client->dev, &sensor_dev_attr_fan7_input.dev_attr);
1634 device_create_file(&new_client->dev, &sensor_dev_attr_fan7_div.dev_attr);
1635 device_create_file(&new_client->dev, &sensor_dev_attr_fan7_min.dev_attr);
1636 device_create_file(&new_client->dev, &sensor_dev_attr_fan8_input.dev_attr);
1637 device_create_file(&new_client->dev, &sensor_dev_attr_fan8_div.dev_attr);
1638 device_create_file(&new_client->dev, &sensor_dev_attr_fan8_min.dev_attr);
1639 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
1640 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
1641 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
1642 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
1643 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
1644 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
1645 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
1646 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
1647 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
1648 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_offset.dev_attr);
1649 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_offset.dev_attr);
1650 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_offset.dev_attr);
1da177e4 1651 device_create_file(&new_client->dev,
050480f1 1652 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr);
1da177e4 1653 device_create_file(&new_client->dev,
050480f1 1654 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr);
1da177e4 1655 device_create_file(&new_client->dev,
050480f1 1656 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr);
1da177e4 1657 device_create_file(&new_client->dev,
050480f1 1658 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr);
1da177e4 1659 device_create_file(&new_client->dev,
050480f1 1660 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr);
1da177e4 1661 device_create_file(&new_client->dev,
050480f1 1662 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr);
1da177e4 1663 device_create_file(&new_client->dev,
050480f1 1664 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr);
1da177e4 1665 device_create_file(&new_client->dev,
050480f1 1666 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr);
1da177e4 1667 device_create_file(&new_client->dev,
050480f1
YI		 1668 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr);
1669 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr);
1670 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_crit.dev_attr);
1671 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr);
1da177e4
LT		 1672 device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable);
1673 device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable);
1674 device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable);
937df8df 1675 device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
1da177e4
LT		 1676 device_create_file(&new_client->dev, &dev_attr_vrm);
1677 device_create_file(&new_client->dev, &dev_attr_alarms);
1678 device_create_file(&new_client->dev, &dev_attr_alarm_mask);
1679 device_create_file(&new_client->dev, &dev_attr_gpio);
1680 device_create_file(&new_client->dev, &dev_attr_gpio_mask);
1681 device_create_file(&new_client->dev, &dev_attr_pwm1);
1682 device_create_file(&new_client->dev, &dev_attr_pwm2);
1683 device_create_file(&new_client->dev, &dev_attr_pwm3);
1684 device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
1685 device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
1686 device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
1687 device_create_file(&new_client->dev, &dev_attr_temp1_auto_point1_pwm);
1688 device_create_file(&new_client->dev, &dev_attr_temp2_auto_point1_pwm);
1689 device_create_file(&new_client->dev, &dev_attr_temp3_auto_point1_pwm);
1690 device_create_file(&new_client->dev, &dev_attr_temp1_auto_point2_pwm);
1691 device_create_file(&new_client->dev, &dev_attr_temp2_auto_point2_pwm);
1692 device_create_file(&new_client->dev, &dev_attr_temp3_auto_point2_pwm);
1693 device_create_file(&new_client->dev, &dev_attr_analog_out);
1694 return 0;
1695
1696 /* Error out and cleanup code */
943b0830
MH		 1697exitdetach:
1698 i2c_detach_client(new_client);
1da177e4 1699exitfree:
1f57ff89 1700 kfree(data);
1da177e4
LT		 1701exit:
1702 return err;
1703}
1704static int __init sm_adm1026_init(void)
1705{
1706 return i2c_add_driver(&adm1026_driver);
1707}
1708
1709static void __exit sm_adm1026_exit(void)
1710{
1711 i2c_del_driver(&adm1026_driver);
1712}
1713
1714MODULE_LICENSE("GPL");
1715MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1716 "Justin Thiessen <jthiessen@penguincomputing.com>");
1717MODULE_DESCRIPTION("ADM1026 driver");
1718
1719module_init(sm_adm1026_init);
1720module_exit(sm_adm1026_exit);
Linux 6.x block layer and io_uring tree(s)