xref: /linux/drivers/hwmon/adm1026.c (revision 13abf8130139c2ccd4962a7e5a8902be5e6cb5a7)
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 
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/jiffies.h>
30 #include <linux/i2c.h>
31 #include <linux/i2c-sensor.h>
32 #include <linux/i2c-vid.h>
33 #include <linux/hwmon-sysfs.h>
34 
35 /* Addresses to scan */
36 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
37 static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
38 
39 /* Insmod parameters */
40 SENSORS_INSMOD_1(adm1026);
41 
42 static int gpio_input[17]  = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
43 				-1, -1, -1, -1, -1, -1, -1, -1 };
44 static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
45 				-1, -1, -1, -1, -1, -1, -1, -1 };
46 static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
47 				-1, -1, -1, -1, -1, -1, -1, -1 };
48 static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
49 				-1, -1, -1, -1, -1, -1, -1, -1 };
50 static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
51 module_param_array(gpio_input,int,NULL,0);
52 MODULE_PARM_DESC(gpio_input,"List of GPIO pins (0-16) to program as inputs");
53 module_param_array(gpio_output,int,NULL,0);
54 MODULE_PARM_DESC(gpio_output,"List of GPIO pins (0-16) to program as "
55 	"outputs");
56 module_param_array(gpio_inverted,int,NULL,0);
57 MODULE_PARM_DESC(gpio_inverted,"List of GPIO pins (0-16) to program as "
58 	"inverted");
59 module_param_array(gpio_normal,int,NULL,0);
60 MODULE_PARM_DESC(gpio_normal,"List of GPIO pins (0-16) to program as "
61 	"normal/non-inverted");
62 module_param_array(gpio_fan,int,NULL,0);
63 MODULE_PARM_DESC(gpio_fan,"List of GPIO pins (0-7) to program as fan tachs");
64 
65 /* Many ADM1026 constants specified below */
66 
67 /* The ADM1026 registers */
68 #define ADM1026_REG_CONFIG1  0x00
69 #define CFG1_MONITOR     0x01
70 #define CFG1_INT_ENABLE  0x02
71 #define CFG1_INT_CLEAR   0x04
72 #define CFG1_AIN8_9      0x08
73 #define CFG1_THERM_HOT   0x10
74 #define CFG1_DAC_AFC     0x20
75 #define CFG1_PWM_AFC     0x40
76 #define CFG1_RESET       0x80
77 #define ADM1026_REG_CONFIG2  0x01
78 /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
79 #define ADM1026_REG_CONFIG3  0x07
80 #define CFG3_GPIO16_ENABLE  0x01
81 #define CFG3_CI_CLEAR  0x02
82 #define CFG3_VREF_250  0x04
83 #define CFG3_GPIO16_DIR  0x40
84 #define CFG3_GPIO16_POL  0x80
85 #define ADM1026_REG_E2CONFIG  0x13
86 #define E2CFG_READ  0x01
87 #define E2CFG_WRITE  0x02
88 #define E2CFG_ERASE  0x04
89 #define E2CFG_ROM  0x08
90 #define E2CFG_CLK_EXT  0x80
91 
92 /* There are 10 general analog inputs and 7 dedicated inputs
93  * They are:
94  *    0 - 9  =  AIN0 - AIN9
95  *       10  =  Vbat
96  *       11  =  3.3V Standby
97  *       12  =  3.3V Main
98  *       13  =  +5V
99  *       14  =  Vccp (CPU core voltage)
100  *       15  =  +12V
101  *       16  =  -12V
102  */
103 static u16 ADM1026_REG_IN[] = {
104 		0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
105 		0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
106 		0x2b, 0x2c, 0x2d, 0x2e, 0x2f
107 	};
108 static u16 ADM1026_REG_IN_MIN[] = {
109 		0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
110 		0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
111 		0x4b, 0x4c, 0x4d, 0x4e, 0x4f
112 	};
113 static u16 ADM1026_REG_IN_MAX[] = {
114 		0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
115 		0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
116 		0x43, 0x44, 0x45, 0x46, 0x47
117 	};
118 
119 /* Temperatures are:
120  *    0 - Internal
121  *    1 - External 1
122  *    2 - External 2
123  */
124 static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
125 static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
126 static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
127 static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
128 static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
129 static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
130 
131 #define ADM1026_REG_FAN(nr) (0x38 + (nr))
132 #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
133 #define ADM1026_REG_FAN_DIV_0_3 0x02
134 #define ADM1026_REG_FAN_DIV_4_7 0x03
135 
136 #define ADM1026_REG_DAC  0x04
137 #define ADM1026_REG_PWM  0x05
138 
139 #define ADM1026_REG_GPIO_CFG_0_3 0x08
140 #define ADM1026_REG_GPIO_CFG_4_7 0x09
141 #define ADM1026_REG_GPIO_CFG_8_11 0x0a
142 #define ADM1026_REG_GPIO_CFG_12_15 0x0b
143 /* CFG_16 in REG_CFG3 */
144 #define ADM1026_REG_GPIO_STATUS_0_7 0x24
145 #define ADM1026_REG_GPIO_STATUS_8_15 0x25
146 /* STATUS_16 in REG_STATUS4 */
147 #define ADM1026_REG_GPIO_MASK_0_7 0x1c
148 #define ADM1026_REG_GPIO_MASK_8_15 0x1d
149 /* MASK_16 in REG_MASK4 */
150 
151 #define ADM1026_REG_COMPANY 0x16
152 #define ADM1026_REG_VERSTEP 0x17
153 /* These are the recognized values for the above regs */
154 #define ADM1026_COMPANY_ANALOG_DEV 0x41
155 #define ADM1026_VERSTEP_GENERIC 0x40
156 #define ADM1026_VERSTEP_ADM1026 0x44
157 
158 #define ADM1026_REG_MASK1 0x18
159 #define ADM1026_REG_MASK2 0x19
160 #define ADM1026_REG_MASK3 0x1a
161 #define ADM1026_REG_MASK4 0x1b
162 
163 #define ADM1026_REG_STATUS1 0x20
164 #define ADM1026_REG_STATUS2 0x21
165 #define ADM1026_REG_STATUS3 0x22
166 #define ADM1026_REG_STATUS4 0x23
167 
168 #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
169 #define ADM1026_FAN_CONTROL_TEMP_RANGE 20
170 #define ADM1026_PWM_MAX 255
171 
172 /* Conversions. Rounding and limit checking is only done on the TO_REG
173  * variants. Note that you should be a bit careful with which arguments
174  * these macros are called: arguments may be evaluated more than once.
175  */
176 
177 /* IN are scaled acording to built-in resistors.  These are the
178  *   voltages corresponding to 3/4 of full scale (192 or 0xc0)
179  *   NOTE: The -12V input needs an additional factor to account
180  *      for the Vref pullup resistor.
181  *      NEG12_OFFSET = SCALE * Vref / V-192 - Vref
182  *                   = 13875 * 2.50 / 1.875 - 2500
183  *                   = 16000
184  *
185  * The values in this table are based on Table II, page 15 of the
186  *    datasheet.
187  */
188 static int adm1026_scaling[] = {  /* .001 Volts */
189 		2250, 2250, 2250, 2250, 2250, 2250,
190 		1875, 1875, 1875, 1875, 3000, 3330,
191 		3330, 4995, 2250, 12000, 13875
192 	};
193 #define NEG12_OFFSET  16000
194 #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
195 #define INS_TO_REG(n,val)  (SENSORS_LIMIT(SCALE(val,adm1026_scaling[n],192),\
196 	0,255))
197 #define INS_FROM_REG(n,val) (SCALE(val,192,adm1026_scaling[n]))
198 
199 /* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
200  *   and we assume a 2 pulse-per-rev fan tach signal
201  *      22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
202  */
203 #define FAN_TO_REG(val,div)  ((val)<=0 ? 0xff : SENSORS_LIMIT(1350000/((val)*\
204 	(div)),1,254))
205 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==0xff ? 0 : 1350000/((val)*\
206 	(div)))
207 #define DIV_FROM_REG(val) (1<<(val))
208 #define DIV_TO_REG(val) ((val)>=8 ? 3 : (val)>=4 ? 2 : (val)>=2 ? 1 : 0)
209 
210 /* Temperature is reported in 1 degC increments */
211 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
212 	-127,127))
213 #define TEMP_FROM_REG(val) ((val) * 1000)
214 #define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
215 	-127,127))
216 #define OFFSET_FROM_REG(val) ((val) * 1000)
217 
218 #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
219 #define PWM_FROM_REG(val) (val)
220 
221 #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
222 #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
223 
224 /* Analog output is a voltage, and scaled to millivolts.  The datasheet
225  *   indicates that the DAC could be used to drive the fans, but in our
226  *   example board (Arima HDAMA) it isn't connected to the fans at all.
227  */
228 #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500),0,255))
229 #define DAC_FROM_REG(val) (((val)*2500)/255)
230 
231 /* Typically used with systems using a v9.1 VRM spec ? */
232 #define ADM1026_INIT_VRM  91
233 
234 /* Chip sampling rates
235  *
236  * Some sensors are not updated more frequently than once per second
237  *    so it doesn't make sense to read them more often than that.
238  *    We cache the results and return the saved data if the driver
239  *    is called again before a second has elapsed.
240  *
241  * Also, there is significant configuration data for this chip
242  *    So, we keep the config data up to date in the cache
243  *    when it is written and only sample it once every 5 *minutes*
244  */
245 #define ADM1026_DATA_INTERVAL  (1 * HZ)
246 #define ADM1026_CONFIG_INTERVAL  (5 * 60 * HZ)
247 
248 /* We allow for multiple chips in a single system.
249  *
250  * For each registered ADM1026, we need to keep state information
251  * at client->data. The adm1026_data structure is dynamically
252  * allocated, when a new client structure is allocated. */
253 
254 struct pwm_data {
255 	u8 pwm;
256 	u8 enable;
257 	u8 auto_pwm_min;
258 };
259 
260 struct adm1026_data {
261 	struct i2c_client client;
262 	struct semaphore lock;
263 	enum chips type;
264 
265 	struct semaphore update_lock;
266 	int valid;		/* !=0 if following fields are valid */
267 	unsigned long last_reading;	/* In jiffies */
268 	unsigned long last_config;	/* In jiffies */
269 
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 */
285 	u8 analog_out;		/* Register value (DAC) */
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 */
294 };
295 
296 static int adm1026_attach_adapter(struct i2c_adapter *adapter);
297 static int adm1026_detect(struct i2c_adapter *adapter, int address,
298 	int kind);
299 static int adm1026_detach_client(struct i2c_client *client);
300 static int adm1026_read_value(struct i2c_client *client, u8 register);
301 static int adm1026_write_value(struct i2c_client *client, u8 register,
302 	int value);
303 static void adm1026_print_gpio(struct i2c_client *client);
304 static void adm1026_fixup_gpio(struct i2c_client *client);
305 static struct adm1026_data *adm1026_update_device(struct device *dev);
306 static void adm1026_init_client(struct i2c_client *client);
307 
308 
309 static struct i2c_driver adm1026_driver = {
310 	.owner          = THIS_MODULE,
311 	.name           = "adm1026",
312 	.flags          = I2C_DF_NOTIFY,
313 	.attach_adapter = adm1026_attach_adapter,
314 	.detach_client  = adm1026_detach_client,
315 };
316 
317 int adm1026_attach_adapter(struct i2c_adapter *adapter)
318 {
319 	if (!(adapter->class & I2C_CLASS_HWMON)) {
320 		return 0;
321 	}
322 	return i2c_detect(adapter, &addr_data, adm1026_detect);
323 }
324 
325 int adm1026_detach_client(struct i2c_client *client)
326 {
327 	i2c_detach_client(client);
328 	kfree(i2c_get_clientdata(client));
329 	return 0;
330 }
331 
332 int adm1026_read_value(struct i2c_client *client, u8 reg)
333 {
334 	int res;
335 
336 	if (reg < 0x80) {
337 		/* "RAM" locations */
338 		res = i2c_smbus_read_byte_data(client, reg) & 0xff;
339 	} else {
340 		/* EEPROM, do nothing */
341 		res = 0;
342 	}
343 	return res;
344 }
345 
346 int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
347 {
348 	int res;
349 
350 	if (reg < 0x80) {
351 		/* "RAM" locations */
352 		res = i2c_smbus_write_byte_data(client, reg, value);
353 	} else {
354 		/* EEPROM, do nothing */
355 		res = 0;
356 	}
357 	return res;
358 }
359 
360 void adm1026_init_client(struct i2c_client *client)
361 {
362 	int value, i;
363 	struct adm1026_data *data = i2c_get_clientdata(client);
364 
365         dev_dbg(&client->dev, "Initializing device\n");
366 	/* Read chip config */
367 	data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
368 	data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
369 	data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
370 
371 	/* Inform user of chip config */
372 	dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
373 		data->config1);
374 	if ((data->config1 & CFG1_MONITOR) == 0) {
375 		dev_dbg(&client->dev, "Monitoring not currently "
376 			"enabled.\n");
377 	}
378 	if (data->config1 & CFG1_INT_ENABLE) {
379 		dev_dbg(&client->dev, "SMBALERT interrupts are "
380 			"enabled.\n");
381 	}
382 	if (data->config1 & CFG1_AIN8_9) {
383 		dev_dbg(&client->dev, "in8 and in9 enabled. "
384 			"temp3 disabled.\n");
385 	} else {
386 		dev_dbg(&client->dev, "temp3 enabled.  in8 and "
387 			"in9 disabled.\n");
388 	}
389 	if (data->config1 & CFG1_THERM_HOT) {
390 		dev_dbg(&client->dev, "Automatic THERM, PWM, "
391 			"and temp limits enabled.\n");
392 	}
393 
394 	value = data->config3;
395 	if (data->config3 & CFG3_GPIO16_ENABLE) {
396 		dev_dbg(&client->dev, "GPIO16 enabled.  THERM "
397 			"pin disabled.\n");
398 	} else {
399 		dev_dbg(&client->dev, "THERM pin enabled.  "
400 			"GPIO16 disabled.\n");
401 	}
402 	if (data->config3 & CFG3_VREF_250) {
403 		dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
404 	} else {
405 		dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
406 	}
407 	/* Read and pick apart the existing GPIO configuration */
408 	value = 0;
409 	for (i = 0;i <= 15;++i) {
410 		if ((i & 0x03) == 0) {
411 			value = adm1026_read_value(client,
412 					ADM1026_REG_GPIO_CFG_0_3 + i/4);
413 		}
414 		data->gpio_config[i] = value & 0x03;
415 		value >>= 2;
416 	}
417 	data->gpio_config[16] = (data->config3 >> 6) & 0x03;
418 
419 	/* ... and then print it */
420 	adm1026_print_gpio(client);
421 
422 	/* If the user asks us to reprogram the GPIO config, then
423 	 * do it now.
424 	 */
425 	if (gpio_input[0] != -1 || gpio_output[0] != -1
426 		|| gpio_inverted[0] != -1 || gpio_normal[0] != -1
427 		|| gpio_fan[0] != -1) {
428 		adm1026_fixup_gpio(client);
429 	}
430 
431 	/* WE INTENTIONALLY make no changes to the limits,
432 	 *   offsets, pwms, fans and zones.  If they were
433 	 *   configured, we don't want to mess with them.
434 	 *   If they weren't, the default is 100% PWM, no
435 	 *   control and will suffice until 'sensors -s'
436 	 *   can be run by the user.  We DO set the default
437 	 *   value for pwm1.auto_pwm_min to its maximum
438 	 *   so that enabling automatic pwm fan control
439 	 *   without first setting a value for pwm1.auto_pwm_min
440 	 *   will not result in potentially dangerous fan speed decrease.
441 	 */
442 	data->pwm1.auto_pwm_min=255;
443 	/* Start monitoring */
444 	value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
445 	/* Set MONITOR, clear interrupt acknowledge and s/w reset */
446 	value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
447 	dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
448 	data->config1 = value;
449 	adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
450 
451 	/* initialize fan_div[] to hardware defaults */
452 	value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
453 		(adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
454 	for (i = 0;i <= 7;++i) {
455 		data->fan_div[i] = DIV_FROM_REG(value & 0x03);
456 		value >>= 2;
457 	}
458 }
459 
460 void adm1026_print_gpio(struct i2c_client *client)
461 {
462 	struct adm1026_data *data = i2c_get_clientdata(client);
463 	int  i;
464 
465 	dev_dbg(&client->dev, "GPIO config is:");
466 	for (i = 0;i <= 7;++i) {
467 		if (data->config2 & (1 << i)) {
468 			dev_dbg(&client->dev, "\t%sGP%s%d\n",
469 				data->gpio_config[i] & 0x02 ? "" : "!",
470 				data->gpio_config[i] & 0x01 ? "OUT" : "IN",
471 				i);
472 		} else {
473 			dev_dbg(&client->dev, "\tFAN%d\n", i);
474 		}
475 	}
476 	for (i = 8;i <= 15;++i) {
477 		dev_dbg(&client->dev, "\t%sGP%s%d\n",
478 			data->gpio_config[i] & 0x02 ? "" : "!",
479 			data->gpio_config[i] & 0x01 ? "OUT" : "IN",
480 			i);
481 	}
482 	if (data->config3 & CFG3_GPIO16_ENABLE) {
483 		dev_dbg(&client->dev, "\t%sGP%s16\n",
484 			data->gpio_config[16] & 0x02 ? "" : "!",
485 			data->gpio_config[16] & 0x01 ? "OUT" : "IN");
486 	} else {
487 		/* GPIO16 is THERM  */
488 		dev_dbg(&client->dev, "\tTHERM\n");
489 	}
490 }
491 
492 void adm1026_fixup_gpio(struct i2c_client *client)
493 {
494 	struct adm1026_data *data = i2c_get_clientdata(client);
495 	int  i;
496 	int  value;
497 
498 	/* Make the changes requested. */
499 	/* We may need to unlock/stop monitoring or soft-reset the
500 	 *    chip before we can make changes.  This hasn't been
501 	 *    tested much.  FIXME
502 	 */
503 
504 	/* Make outputs */
505 	for (i = 0;i <= 16;++i) {
506 		if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
507 			data->gpio_config[gpio_output[i]] |= 0x01;
508 		}
509 		/* if GPIO0-7 is output, it isn't a FAN tach */
510 		if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
511 			data->config2 |= 1 << gpio_output[i];
512 		}
513 	}
514 
515 	/* Input overrides output */
516 	for (i = 0;i <= 16;++i) {
517 		if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
518 			data->gpio_config[gpio_input[i]] &= ~ 0x01;
519 		}
520 		/* if GPIO0-7 is input, it isn't a FAN tach */
521 		if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
522 			data->config2 |= 1 << gpio_input[i];
523 		}
524 	}
525 
526 	/* Inverted  */
527 	for (i = 0;i <= 16;++i) {
528 		if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
529 			data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
530 		}
531 	}
532 
533 	/* Normal overrides inverted  */
534 	for (i = 0;i <= 16;++i) {
535 		if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
536 			data->gpio_config[gpio_normal[i]] |= 0x02;
537 		}
538 	}
539 
540 	/* Fan overrides input and output */
541 	for (i = 0;i <= 7;++i) {
542 		if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
543 			data->config2 &= ~(1 << gpio_fan[i]);
544 		}
545 	}
546 
547 	/* Write new configs to registers */
548 	adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
549 	data->config3 = (data->config3 & 0x3f)
550 			| ((data->gpio_config[16] & 0x03) << 6);
551 	adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
552 	for (i = 15, value = 0;i >= 0;--i) {
553 		value <<= 2;
554 		value |= data->gpio_config[i] & 0x03;
555 		if ((i & 0x03) == 0) {
556 			adm1026_write_value(client,
557 					ADM1026_REG_GPIO_CFG_0_3 + i/4,
558 					value);
559 			value = 0;
560 		}
561 	}
562 
563 	/* Print the new config */
564 	adm1026_print_gpio(client);
565 }
566 
567 
568 static struct adm1026_data *adm1026_update_device(struct device *dev)
569 {
570 	struct i2c_client *client = to_i2c_client(dev);
571 	struct adm1026_data *data = i2c_get_clientdata(client);
572 	int i;
573 	long value, alarms, gpio;
574 
575 	down(&data->update_lock);
576 	if (!data->valid
577 	    || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
578 		/* Things that change quickly */
579 		dev_dbg(&client->dev,"Reading sensor values\n");
580 		for (i = 0;i <= 16;++i) {
581 			data->in[i] =
582 			    adm1026_read_value(client, ADM1026_REG_IN[i]);
583 		}
584 
585 		for (i = 0;i <= 7;++i) {
586 			data->fan[i] =
587 			    adm1026_read_value(client, ADM1026_REG_FAN(i));
588 		}
589 
590 		for (i = 0;i <= 2;++i) {
591 			/* NOTE: temp[] is s8 and we assume 2's complement
592 			 *   "conversion" in the assignment   */
593 			data->temp[i] =
594 			    adm1026_read_value(client, ADM1026_REG_TEMP[i]);
595 		}
596 
597 		data->pwm1.pwm = adm1026_read_value(client,
598 			ADM1026_REG_PWM);
599 		data->analog_out = adm1026_read_value(client,
600 			ADM1026_REG_DAC);
601 		/* GPIO16 is MSbit of alarms, move it to gpio */
602 		alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
603 		gpio = alarms & 0x80 ? 0x0100 : 0;  /* GPIO16 */
604 		alarms &= 0x7f;
605 		alarms <<= 8;
606 		alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
607 		alarms <<= 8;
608 		alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
609 		alarms <<= 8;
610 		alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
611 		data->alarms = alarms;
612 
613 		/* Read the GPIO values */
614 		gpio |= adm1026_read_value(client,
615 			ADM1026_REG_GPIO_STATUS_8_15);
616 		gpio <<= 8;
617 		gpio |= adm1026_read_value(client,
618 			ADM1026_REG_GPIO_STATUS_0_7);
619 		data->gpio = gpio;
620 
621 		data->last_reading = jiffies;
622 	};  /* last_reading */
623 
624 	if (!data->valid ||
625 	    time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
626 		/* Things that don't change often */
627 		dev_dbg(&client->dev, "Reading config values\n");
628 		for (i = 0;i <= 16;++i) {
629 			data->in_min[i] = adm1026_read_value(client,
630 				ADM1026_REG_IN_MIN[i]);
631 			data->in_max[i] = adm1026_read_value(client,
632 				ADM1026_REG_IN_MAX[i]);
633 		}
634 
635 		value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
636 			| (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
637 			<< 8);
638 		for (i = 0;i <= 7;++i) {
639 			data->fan_min[i] = adm1026_read_value(client,
640 				ADM1026_REG_FAN_MIN(i));
641 			data->fan_div[i] = DIV_FROM_REG(value & 0x03);
642 			value >>= 2;
643 		}
644 
645 		for (i = 0; i <= 2; ++i) {
646 			/* NOTE: temp_xxx[] are s8 and we assume 2's
647 			 *    complement "conversion" in the assignment
648 			 */
649 			data->temp_min[i] = adm1026_read_value(client,
650 				ADM1026_REG_TEMP_MIN[i]);
651 			data->temp_max[i] = adm1026_read_value(client,
652 				ADM1026_REG_TEMP_MAX[i]);
653 			data->temp_tmin[i] = adm1026_read_value(client,
654 				ADM1026_REG_TEMP_TMIN[i]);
655 			data->temp_crit[i] = adm1026_read_value(client,
656 				ADM1026_REG_TEMP_THERM[i]);
657 			data->temp_offset[i] = adm1026_read_value(client,
658 				ADM1026_REG_TEMP_OFFSET[i]);
659 		}
660 
661 		/* Read the STATUS/alarm masks */
662 		alarms  = adm1026_read_value(client, ADM1026_REG_MASK4);
663 		gpio    = alarms & 0x80 ? 0x0100 : 0;  /* GPIO16 */
664 		alarms  = (alarms & 0x7f) << 8;
665 		alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
666 		alarms <<= 8;
667 		alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
668 		alarms <<= 8;
669 		alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
670 		data->alarm_mask = alarms;
671 
672 		/* Read the GPIO values */
673 		gpio |= adm1026_read_value(client,
674 			ADM1026_REG_GPIO_MASK_8_15);
675 		gpio <<= 8;
676 		gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
677 		data->gpio_mask = gpio;
678 
679 		/* Read various values from CONFIG1 */
680 		data->config1 = adm1026_read_value(client,
681 			ADM1026_REG_CONFIG1);
682 		if (data->config1 & CFG1_PWM_AFC) {
683 			data->pwm1.enable = 2;
684 			data->pwm1.auto_pwm_min =
685 				PWM_MIN_FROM_REG(data->pwm1.pwm);
686 		}
687 		/* Read the GPIO config */
688 		data->config2 = adm1026_read_value(client,
689 			ADM1026_REG_CONFIG2);
690 		data->config3 = adm1026_read_value(client,
691 			ADM1026_REG_CONFIG3);
692 		data->gpio_config[16] = (data->config3 >> 6) & 0x03;
693 
694 		value = 0;
695 		for (i = 0;i <= 15;++i) {
696 			if ((i & 0x03) == 0) {
697 				value = adm1026_read_value(client,
698 					    ADM1026_REG_GPIO_CFG_0_3 + i/4);
699 			}
700 			data->gpio_config[i] = value & 0x03;
701 			value >>= 2;
702 		}
703 
704 		data->last_config = jiffies;
705 	};  /* last_config */
706 
707 	dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
708 	data->vid = (data->gpio >> 11) & 0x1f;
709 	data->valid = 1;
710 	up(&data->update_lock);
711 	return data;
712 }
713 
714 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
715 		char *buf)
716 {
717 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
718 	int nr = sensor_attr->index;
719 	struct adm1026_data *data = adm1026_update_device(dev);
720 	return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in[nr]));
721 }
722 static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
723 		char *buf)
724 {
725 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
726 	int nr = sensor_attr->index;
727 	struct adm1026_data *data = adm1026_update_device(dev);
728 	return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]));
729 }
730 static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
731 		const char *buf, size_t count)
732 {
733 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
734 	int nr = sensor_attr->index;
735 	struct i2c_client *client = to_i2c_client(dev);
736 	struct adm1026_data *data = i2c_get_clientdata(client);
737 	int val = simple_strtol(buf, NULL, 10);
738 
739 	down(&data->update_lock);
740 	data->in_min[nr] = INS_TO_REG(nr, val);
741 	adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
742 	up(&data->update_lock);
743 	return count;
744 }
745 static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
746 		char *buf)
747 {
748 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
749 	int nr = sensor_attr->index;
750 	struct adm1026_data *data = adm1026_update_device(dev);
751 	return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]));
752 }
753 static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
754 		const char *buf, size_t count)
755 {
756 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
757 	int nr = sensor_attr->index;
758 	struct i2c_client *client = to_i2c_client(dev);
759 	struct adm1026_data *data = i2c_get_clientdata(client);
760 	int val = simple_strtol(buf, NULL, 10);
761 
762 	down(&data->update_lock);
763 	data->in_max[nr] = INS_TO_REG(nr, val);
764 	adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
765 	up(&data->update_lock);
766 	return count;
767 }
768 
769 #define in_reg(offset)						\
770 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in,	\
771 		NULL, offset);					\
772 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,	\
773 		show_in_min, set_in_min, offset);		\
774 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,	\
775 		show_in_max, set_in_max, offset);
776 
777 
778 in_reg(0);
779 in_reg(1);
780 in_reg(2);
781 in_reg(3);
782 in_reg(4);
783 in_reg(5);
784 in_reg(6);
785 in_reg(7);
786 in_reg(8);
787 in_reg(9);
788 in_reg(10);
789 in_reg(11);
790 in_reg(12);
791 in_reg(13);
792 in_reg(14);
793 in_reg(15);
794 
795 static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
796 {
797 	struct adm1026_data *data = adm1026_update_device(dev);
798 	return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in[16]) -
799 		NEG12_OFFSET);
800 }
801 static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
802 {
803 	struct adm1026_data *data = adm1026_update_device(dev);
804 	return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_min[16])
805 		- NEG12_OFFSET);
806 }
807 static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
808 {
809 	struct i2c_client *client = to_i2c_client(dev);
810 	struct adm1026_data *data = i2c_get_clientdata(client);
811 	int val = simple_strtol(buf, NULL, 10);
812 
813 	down(&data->update_lock);
814 	data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
815 	adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
816 	up(&data->update_lock);
817 	return count;
818 }
819 static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
820 {
821 	struct adm1026_data *data = adm1026_update_device(dev);
822 	return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_max[16])
823 			- NEG12_OFFSET);
824 }
825 static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
826 {
827 	struct i2c_client *client = to_i2c_client(dev);
828 	struct adm1026_data *data = i2c_get_clientdata(client);
829 	int val = simple_strtol(buf, NULL, 10);
830 
831 	down(&data->update_lock);
832 	data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
833 	adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
834 	up(&data->update_lock);
835 	return count;
836 }
837 
838 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
839 static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
840 static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
841 
842 
843 
844 
845 /* Now add fan read/write functions */
846 
847 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
848 		char *buf)
849 {
850 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
851 	int nr = sensor_attr->index;
852 	struct adm1026_data *data = adm1026_update_device(dev);
853 	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr],
854 		data->fan_div[nr]));
855 }
856 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
857 		char *buf)
858 {
859 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
860 	int nr = sensor_attr->index;
861 	struct adm1026_data *data = adm1026_update_device(dev);
862 	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
863 		data->fan_div[nr]));
864 }
865 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
866 		const char *buf, size_t count)
867 {
868 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
869 	int nr = sensor_attr->index;
870 	struct i2c_client *client = to_i2c_client(dev);
871 	struct adm1026_data *data = i2c_get_clientdata(client);
872 	int val = simple_strtol(buf, NULL, 10);
873 
874 	down(&data->update_lock);
875 	data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
876 	adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
877 		data->fan_min[nr]);
878 	up(&data->update_lock);
879 	return count;
880 }
881 
882 #define fan_offset(offset)                                         		\
883 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, 	\
884 		offset - 1);							\
885 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,           	\
886 		show_fan_min, set_fan_min, offset - 1);
887 
888 fan_offset(1);
889 fan_offset(2);
890 fan_offset(3);
891 fan_offset(4);
892 fan_offset(5);
893 fan_offset(6);
894 fan_offset(7);
895 fan_offset(8);
896 
897 /* Adjust fan_min to account for new fan divisor */
898 static void fixup_fan_min(struct device *dev, int fan, int old_div)
899 {
900 	struct i2c_client *client = to_i2c_client(dev);
901 	struct adm1026_data *data = i2c_get_clientdata(client);
902 	int    new_min;
903 	int    new_div = data->fan_div[fan];
904 
905 	/* 0 and 0xff are special.  Don't adjust them */
906 	if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
907 		return;
908 	}
909 
910 	new_min = data->fan_min[fan] * old_div / new_div;
911 	new_min = SENSORS_LIMIT(new_min, 1, 254);
912 	data->fan_min[fan] = new_min;
913 	adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
914 }
915 
916 /* Now add fan_div read/write functions */
917 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
918 		char *buf)
919 {
920 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
921 	int nr = sensor_attr->index;
922 	struct adm1026_data *data = adm1026_update_device(dev);
923 	return sprintf(buf,"%d\n", data->fan_div[nr]);
924 }
925 static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
926 		const char *buf, size_t count)
927 {
928 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
929 	int nr = sensor_attr->index;
930 	struct i2c_client *client = to_i2c_client(dev);
931 	struct adm1026_data *data = i2c_get_clientdata(client);
932 	int    val,orig_div,new_div,shift;
933 
934 	val = simple_strtol(buf, NULL, 10);
935 	new_div = DIV_TO_REG(val);
936 	if (new_div == 0) {
937 		return -EINVAL;
938 	}
939 	down(&data->update_lock);
940 	orig_div = data->fan_div[nr];
941 	data->fan_div[nr] = DIV_FROM_REG(new_div);
942 
943 	if (nr < 4) { /* 0 <= nr < 4 */
944 		shift = 2 * nr;
945 		adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
946 			((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
947 			(new_div << shift)));
948 	} else { /* 3 < nr < 8 */
949 		shift = 2 * (nr - 4);
950 		adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
951 			((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
952 			(new_div << shift)));
953 	}
954 
955 	if (data->fan_div[nr] != orig_div) {
956 		fixup_fan_min(dev,nr,orig_div);
957 	}
958 	up(&data->update_lock);
959 	return count;
960 }
961 
962 #define fan_offset_div(offset)                                          \
963 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,         \
964 		show_fan_div, set_fan_div, offset - 1);
965 
966 fan_offset_div(1);
967 fan_offset_div(2);
968 fan_offset_div(3);
969 fan_offset_div(4);
970 fan_offset_div(5);
971 fan_offset_div(6);
972 fan_offset_div(7);
973 fan_offset_div(8);
974 
975 /* Temps */
976 static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
977 		char *buf)
978 {
979 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
980 	int nr = sensor_attr->index;
981 	struct adm1026_data *data = adm1026_update_device(dev);
982 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp[nr]));
983 }
984 static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
985 		char *buf)
986 {
987 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
988 	int nr = sensor_attr->index;
989 	struct adm1026_data *data = adm1026_update_device(dev);
990 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]));
991 }
992 static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
993 		const char *buf, size_t count)
994 {
995 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
996 	int nr = sensor_attr->index;
997 	struct i2c_client *client = to_i2c_client(dev);
998 	struct adm1026_data *data = i2c_get_clientdata(client);
999 	int val = simple_strtol(buf, NULL, 10);
1000 
1001 	down(&data->update_lock);
1002 	data->temp_min[nr] = TEMP_TO_REG(val);
1003 	adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
1004 		data->temp_min[nr]);
1005 	up(&data->update_lock);
1006 	return count;
1007 }
1008 static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1009 		char *buf)
1010 {
1011 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1012 	int nr = sensor_attr->index;
1013 	struct adm1026_data *data = adm1026_update_device(dev);
1014 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1015 }
1016 static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1017 		const char *buf, size_t count)
1018 {
1019 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1020 	int nr = sensor_attr->index;
1021 	struct i2c_client *client = to_i2c_client(dev);
1022 	struct adm1026_data *data = i2c_get_clientdata(client);
1023 	int val = simple_strtol(buf, NULL, 10);
1024 
1025 	down(&data->update_lock);
1026 	data->temp_max[nr] = TEMP_TO_REG(val);
1027 	adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1028 		data->temp_max[nr]);
1029 	up(&data->update_lock);
1030 	return count;
1031 }
1032 
1033 #define temp_reg(offset)						\
1034 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, 	\
1035 		NULL, offset - 1);					\
1036 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,	\
1037 		show_temp_min, set_temp_min, offset - 1);		\
1038 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,	\
1039 		show_temp_max, set_temp_max, offset - 1);
1040 
1041 
1042 temp_reg(1);
1043 temp_reg(2);
1044 temp_reg(3);
1045 
1046 static ssize_t show_temp_offset(struct device *dev,
1047 		struct device_attribute *attr, char *buf)
1048 {
1049 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1050 	int nr = sensor_attr->index;
1051 	struct adm1026_data *data = adm1026_update_device(dev);
1052 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1053 }
1054 static ssize_t set_temp_offset(struct device *dev,
1055 		struct device_attribute *attr, const char *buf,
1056 		size_t count)
1057 {
1058 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1059 	int nr = sensor_attr->index;
1060 	struct i2c_client *client = to_i2c_client(dev);
1061 	struct adm1026_data *data = i2c_get_clientdata(client);
1062 	int val = simple_strtol(buf, NULL, 10);
1063 
1064 	down(&data->update_lock);
1065 	data->temp_offset[nr] = TEMP_TO_REG(val);
1066 	adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1067 		data->temp_offset[nr]);
1068 	up(&data->update_lock);
1069 	return count;
1070 }
1071 
1072 #define temp_offset_reg(offset)							\
1073 static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR,		\
1074 		show_temp_offset, set_temp_offset, offset - 1);
1075 
1076 temp_offset_reg(1);
1077 temp_offset_reg(2);
1078 temp_offset_reg(3);
1079 
1080 static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1081 		struct device_attribute *attr, char *buf)
1082 {
1083 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1084 	int nr = sensor_attr->index;
1085 	struct adm1026_data *data = adm1026_update_device(dev);
1086 	return sprintf(buf,"%d\n", TEMP_FROM_REG(
1087 		ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1088 }
1089 static ssize_t show_temp_auto_point2_temp(struct device *dev,
1090 		struct device_attribute *attr, char *buf)
1091 {
1092 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1093 	int nr = sensor_attr->index;
1094 	struct adm1026_data *data = adm1026_update_device(dev);
1095 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1096 		ADM1026_FAN_CONTROL_TEMP_RANGE));
1097 }
1098 static ssize_t show_temp_auto_point1_temp(struct device *dev,
1099 		struct device_attribute *attr, char *buf)
1100 {
1101 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1102 	int nr = sensor_attr->index;
1103 	struct adm1026_data *data = adm1026_update_device(dev);
1104 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1105 }
1106 static ssize_t set_temp_auto_point1_temp(struct device *dev,
1107 		struct device_attribute *attr, const char *buf, size_t count)
1108 {
1109 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1110 	int nr = sensor_attr->index;
1111 	struct i2c_client *client = to_i2c_client(dev);
1112 	struct adm1026_data *data = i2c_get_clientdata(client);
1113 	int val = simple_strtol(buf, NULL, 10);
1114 
1115 	down(&data->update_lock);
1116 	data->temp_tmin[nr] = TEMP_TO_REG(val);
1117 	adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1118 		data->temp_tmin[nr]);
1119 	up(&data->update_lock);
1120 	return count;
1121 }
1122 
1123 #define temp_auto_point(offset)							\
1124 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, S_IRUGO | S_IWUSR,	\
1125 		show_temp_auto_point1_temp, set_temp_auto_point1_temp, 		\
1126 		offset - 1);							\
1127 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,	\
1128 		show_temp_auto_point1_temp_hyst, NULL, offset - 1);		\
1129 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO,		\
1130 		show_temp_auto_point2_temp, NULL, offset - 1);
1131 
1132 temp_auto_point(1);
1133 temp_auto_point(2);
1134 temp_auto_point(3);
1135 
1136 static ssize_t show_temp_crit_enable(struct device *dev,
1137 		struct device_attribute *attr, char *buf)
1138 {
1139 	struct adm1026_data *data = adm1026_update_device(dev);
1140 	return sprintf(buf,"%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1141 }
1142 static ssize_t set_temp_crit_enable(struct device *dev,
1143 		struct device_attribute *attr, const char *buf, size_t count)
1144 {
1145 	struct i2c_client *client = to_i2c_client(dev);
1146 	struct adm1026_data *data = i2c_get_clientdata(client);
1147 	int val = simple_strtol(buf, NULL, 10);
1148 
1149 	if ((val == 1) || (val==0)) {
1150 		down(&data->update_lock);
1151 		data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1152 		adm1026_write_value(client, ADM1026_REG_CONFIG1,
1153 			data->config1);
1154 		up(&data->update_lock);
1155 	}
1156 	return count;
1157 }
1158 
1159 #define temp_crit_enable(offset)				\
1160 static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1161 	show_temp_crit_enable, set_temp_crit_enable);
1162 
1163 temp_crit_enable(1);
1164 temp_crit_enable(2);
1165 temp_crit_enable(3);
1166 
1167 static ssize_t show_temp_crit(struct device *dev,
1168 		struct device_attribute *attr, char *buf)
1169 {
1170 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1171 	int nr = sensor_attr->index;
1172 	struct adm1026_data *data = adm1026_update_device(dev);
1173 	return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1174 }
1175 static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1176 		const char *buf, size_t count)
1177 {
1178 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1179 	int nr = sensor_attr->index;
1180 	struct i2c_client *client = to_i2c_client(dev);
1181 	struct adm1026_data *data = i2c_get_clientdata(client);
1182 	int val = simple_strtol(buf, NULL, 10);
1183 
1184 	down(&data->update_lock);
1185 	data->temp_crit[nr] = TEMP_TO_REG(val);
1186 	adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1187 		data->temp_crit[nr]);
1188 	up(&data->update_lock);
1189 	return count;
1190 }
1191 
1192 #define temp_crit_reg(offset)						\
1193 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR,	\
1194 		show_temp_crit, set_temp_crit, offset - 1);
1195 
1196 temp_crit_reg(1);
1197 temp_crit_reg(2);
1198 temp_crit_reg(3);
1199 
1200 static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
1201 {
1202 	struct adm1026_data *data = adm1026_update_device(dev);
1203 	return sprintf(buf,"%d\n", DAC_FROM_REG(data->analog_out));
1204 }
1205 static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1206 		size_t count)
1207 {
1208 	struct i2c_client *client = to_i2c_client(dev);
1209 	struct adm1026_data *data = i2c_get_clientdata(client);
1210 	int val = simple_strtol(buf, NULL, 10);
1211 
1212 	down(&data->update_lock);
1213 	data->analog_out = DAC_TO_REG(val);
1214 	adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
1215 	up(&data->update_lock);
1216 	return count;
1217 }
1218 
1219 static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1220 	set_analog_out_reg);
1221 
1222 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
1223 {
1224 	struct adm1026_data *data = adm1026_update_device(dev);
1225 	return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
1226 }
1227 /* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */
1228 static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL);
1229 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1230 
1231 static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1232 {
1233 	struct adm1026_data *data = adm1026_update_device(dev);
1234 	return sprintf(buf,"%d\n", data->vrm);
1235 }
1236 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1237 		size_t count)
1238 {
1239 	struct i2c_client *client = to_i2c_client(dev);
1240 	struct adm1026_data *data = i2c_get_clientdata(client);
1241 
1242 	data->vrm = simple_strtol(buf, NULL, 10);
1243 	return count;
1244 }
1245 
1246 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1247 
1248 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
1249 {
1250 	struct adm1026_data *data = adm1026_update_device(dev);
1251 	return sprintf(buf, "%ld\n", (long) (data->alarms));
1252 }
1253 
1254 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1255 
1256 static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
1257 {
1258 	struct adm1026_data *data = adm1026_update_device(dev);
1259 	return sprintf(buf,"%ld\n", data->alarm_mask);
1260 }
1261 static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1262 		size_t count)
1263 {
1264 	struct i2c_client *client = to_i2c_client(dev);
1265 	struct adm1026_data *data = i2c_get_clientdata(client);
1266 	int val = simple_strtol(buf, NULL, 10);
1267 	unsigned long mask;
1268 
1269 	down(&data->update_lock);
1270 	data->alarm_mask = val & 0x7fffffff;
1271 	mask = data->alarm_mask
1272 		| (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1273 	adm1026_write_value(client, ADM1026_REG_MASK1,
1274 		mask & 0xff);
1275 	mask >>= 8;
1276 	adm1026_write_value(client, ADM1026_REG_MASK2,
1277 		mask & 0xff);
1278 	mask >>= 8;
1279 	adm1026_write_value(client, ADM1026_REG_MASK3,
1280 		mask & 0xff);
1281 	mask >>= 8;
1282 	adm1026_write_value(client, ADM1026_REG_MASK4,
1283 		mask & 0xff);
1284 	up(&data->update_lock);
1285 	return count;
1286 }
1287 
1288 static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1289 	set_alarm_mask);
1290 
1291 
1292 static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
1293 {
1294 	struct adm1026_data *data = adm1026_update_device(dev);
1295 	return sprintf(buf,"%ld\n", data->gpio);
1296 }
1297 static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
1298 		size_t count)
1299 {
1300 	struct i2c_client *client = to_i2c_client(dev);
1301 	struct adm1026_data *data = i2c_get_clientdata(client);
1302 	int val = simple_strtol(buf, NULL, 10);
1303 	long   gpio;
1304 
1305 	down(&data->update_lock);
1306 	data->gpio = val & 0x1ffff;
1307 	gpio = data->gpio;
1308 	adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff);
1309 	gpio >>= 8;
1310 	adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff);
1311 	gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
1312 	adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff);
1313 	up(&data->update_lock);
1314 	return count;
1315 }
1316 
1317 static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1318 
1319 
1320 static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
1321 {
1322 	struct adm1026_data *data = adm1026_update_device(dev);
1323 	return sprintf(buf,"%ld\n", data->gpio_mask);
1324 }
1325 static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1326 		size_t count)
1327 {
1328 	struct i2c_client *client = to_i2c_client(dev);
1329 	struct adm1026_data *data = i2c_get_clientdata(client);
1330 	int val = simple_strtol(buf, NULL, 10);
1331 	long   mask;
1332 
1333 	down(&data->update_lock);
1334 	data->gpio_mask = val & 0x1ffff;
1335 	mask = data->gpio_mask;
1336 	adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff);
1337 	mask >>= 8;
1338 	adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff);
1339 	mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
1340 	adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff);
1341 	up(&data->update_lock);
1342 	return count;
1343 }
1344 
1345 static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1346 
1347 static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1348 {
1349 	struct adm1026_data *data = adm1026_update_device(dev);
1350 	return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm1.pwm));
1351 }
1352 static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1353 		size_t count)
1354 {
1355 	struct i2c_client *client = to_i2c_client(dev);
1356 	struct adm1026_data *data = i2c_get_clientdata(client);
1357 
1358 	if (data->pwm1.enable == 1) {
1359 		int val = simple_strtol(buf, NULL, 10);
1360 
1361 		down(&data->update_lock);
1362 		data->pwm1.pwm = PWM_TO_REG(val);
1363 		adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1364 		up(&data->update_lock);
1365 	}
1366 	return count;
1367 }
1368 static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
1369 {
1370 	struct adm1026_data *data = adm1026_update_device(dev);
1371 	return sprintf(buf,"%d\n", data->pwm1.auto_pwm_min);
1372 }
1373 static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
1374 		size_t count)
1375 {
1376 	struct i2c_client *client = to_i2c_client(dev);
1377 	struct adm1026_data *data = i2c_get_clientdata(client);
1378 	int val = simple_strtol(buf, NULL, 10);
1379 
1380 	down(&data->update_lock);
1381 	data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255);
1382 	if (data->pwm1.enable == 2) { /* apply immediately */
1383 		data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1384 			PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1385 		adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1386 	}
1387 	up(&data->update_lock);
1388 	return count;
1389 }
1390 static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
1391 {
1392 	return sprintf(buf,"%d\n", ADM1026_PWM_MAX);
1393 }
1394 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
1395 {
1396 	struct adm1026_data *data = adm1026_update_device(dev);
1397 	return sprintf(buf,"%d\n", data->pwm1.enable);
1398 }
1399 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
1400 		size_t count)
1401 {
1402 	struct i2c_client *client = to_i2c_client(dev);
1403 	struct adm1026_data *data = i2c_get_clientdata(client);
1404 	int val = simple_strtol(buf, NULL, 10);
1405 	int     old_enable;
1406 
1407 	if ((val >= 0) && (val < 3)) {
1408 		down(&data->update_lock);
1409 		old_enable = data->pwm1.enable;
1410 		data->pwm1.enable = val;
1411 		data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1412 				| ((val == 2) ? CFG1_PWM_AFC : 0);
1413 		adm1026_write_value(client, ADM1026_REG_CONFIG1,
1414 			data->config1);
1415 		if (val == 2) {  /* apply pwm1_auto_pwm_min to pwm1 */
1416 			data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1417 				PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1418 			adm1026_write_value(client, ADM1026_REG_PWM,
1419 				data->pwm1.pwm);
1420 		} else if (!((old_enable == 1) && (val == 1))) {
1421 			/* set pwm to safe value */
1422 			data->pwm1.pwm = 255;
1423 			adm1026_write_value(client, ADM1026_REG_PWM,
1424 				data->pwm1.pwm);
1425 		}
1426 		up(&data->update_lock);
1427 	}
1428 	return count;
1429 }
1430 
1431 /* enable PWM fan control */
1432 static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1433 static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1434 static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1435 static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1436 	set_pwm_enable);
1437 static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1438 	set_pwm_enable);
1439 static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1440 	set_pwm_enable);
1441 static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1442 	show_auto_pwm_min, set_auto_pwm_min);
1443 static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1444 	show_auto_pwm_min, set_auto_pwm_min);
1445 static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1446 	show_auto_pwm_min, set_auto_pwm_min);
1447 
1448 static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1449 static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1450 static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1451 
1452 int adm1026_detect(struct i2c_adapter *adapter, int address,
1453 		int kind)
1454 {
1455 	int company, verstep;
1456 	struct i2c_client *new_client;
1457 	struct adm1026_data *data;
1458 	int err = 0;
1459 	const char *type_name = "";
1460 
1461 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1462 		/* We need to be able to do byte I/O */
1463 		goto exit;
1464 	};
1465 
1466 	/* OK. For now, we presume we have a valid client. We now create the
1467 	   client structure, even though we cannot fill it completely yet.
1468 	   But it allows us to access adm1026_{read,write}_value. */
1469 
1470 	if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
1471 		err = -ENOMEM;
1472 		goto exit;
1473 	}
1474 
1475 	memset(data, 0, sizeof(struct adm1026_data));
1476 
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;
1545 	init_MUTEX(&data->update_lock);
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 */
1552 	data->vrm = i2c_which_vrm();
1553 
1554 	/* Initialize the ADM1026 chip */
1555 	adm1026_init_client(new_client);
1556 
1557 	/* Register sysfs hooks */
1558 	device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
1559 	device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
1560 	device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
1561 	device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
1562 	device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr);
1563 	device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr);
1564 	device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
1565 	device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr);
1566 	device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
1567 	device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
1568 	device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr);
1569 	device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
1570 	device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
1571 	device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr);
1572 	device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
1573 	device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
1574 	device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr);
1575 	device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
1576 	device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
1577 	device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
1578 	device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
1579 	device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
1580 	device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
1581 	device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
1582 	device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
1583 	device_create_file(&new_client->dev, &sensor_dev_attr_in8_max.dev_attr);
1584 	device_create_file(&new_client->dev, &sensor_dev_attr_in8_min.dev_attr);
1585 	device_create_file(&new_client->dev, &sensor_dev_attr_in9_input.dev_attr);
1586 	device_create_file(&new_client->dev, &sensor_dev_attr_in9_max.dev_attr);
1587 	device_create_file(&new_client->dev, &sensor_dev_attr_in9_min.dev_attr);
1588 	device_create_file(&new_client->dev, &sensor_dev_attr_in10_input.dev_attr);
1589 	device_create_file(&new_client->dev, &sensor_dev_attr_in10_max.dev_attr);
1590 	device_create_file(&new_client->dev, &sensor_dev_attr_in10_min.dev_attr);
1591 	device_create_file(&new_client->dev, &sensor_dev_attr_in11_input.dev_attr);
1592 	device_create_file(&new_client->dev, &sensor_dev_attr_in11_max.dev_attr);
1593 	device_create_file(&new_client->dev, &sensor_dev_attr_in11_min.dev_attr);
1594 	device_create_file(&new_client->dev, &sensor_dev_attr_in12_input.dev_attr);
1595 	device_create_file(&new_client->dev, &sensor_dev_attr_in12_max.dev_attr);
1596 	device_create_file(&new_client->dev, &sensor_dev_attr_in12_min.dev_attr);
1597 	device_create_file(&new_client->dev, &sensor_dev_attr_in13_input.dev_attr);
1598 	device_create_file(&new_client->dev, &sensor_dev_attr_in13_max.dev_attr);
1599 	device_create_file(&new_client->dev, &sensor_dev_attr_in13_min.dev_attr);
1600 	device_create_file(&new_client->dev, &sensor_dev_attr_in14_input.dev_attr);
1601 	device_create_file(&new_client->dev, &sensor_dev_attr_in14_max.dev_attr);
1602 	device_create_file(&new_client->dev, &sensor_dev_attr_in14_min.dev_attr);
1603 	device_create_file(&new_client->dev, &sensor_dev_attr_in15_input.dev_attr);
1604 	device_create_file(&new_client->dev, &sensor_dev_attr_in15_max.dev_attr);
1605 	device_create_file(&new_client->dev, &sensor_dev_attr_in15_min.dev_attr);
1606 	device_create_file(&new_client->dev, &sensor_dev_attr_in16_input.dev_attr);
1607 	device_create_file(&new_client->dev, &sensor_dev_attr_in16_max.dev_attr);
1608 	device_create_file(&new_client->dev, &sensor_dev_attr_in16_min.dev_attr);
1609 	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_input.dev_attr);
1610 	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_div.dev_attr);
1611 	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_min.dev_attr);
1612 	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_input.dev_attr);
1613 	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_div.dev_attr);
1614 	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_min.dev_attr);
1615 	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_input.dev_attr);
1616 	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_div.dev_attr);
1617 	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_min.dev_attr);
1618 	device_create_file(&new_client->dev, &sensor_dev_attr_fan4_input.dev_attr);
1619 	device_create_file(&new_client->dev, &sensor_dev_attr_fan4_div.dev_attr);
1620 	device_create_file(&new_client->dev, &sensor_dev_attr_fan4_min.dev_attr);
1621 	device_create_file(&new_client->dev, &sensor_dev_attr_fan5_input.dev_attr);
1622 	device_create_file(&new_client->dev, &sensor_dev_attr_fan5_div.dev_attr);
1623 	device_create_file(&new_client->dev, &sensor_dev_attr_fan5_min.dev_attr);
1624 	device_create_file(&new_client->dev, &sensor_dev_attr_fan6_input.dev_attr);
1625 	device_create_file(&new_client->dev, &sensor_dev_attr_fan6_div.dev_attr);
1626 	device_create_file(&new_client->dev, &sensor_dev_attr_fan6_min.dev_attr);
1627 	device_create_file(&new_client->dev, &sensor_dev_attr_fan7_input.dev_attr);
1628 	device_create_file(&new_client->dev, &sensor_dev_attr_fan7_div.dev_attr);
1629 	device_create_file(&new_client->dev, &sensor_dev_attr_fan7_min.dev_attr);
1630 	device_create_file(&new_client->dev, &sensor_dev_attr_fan8_input.dev_attr);
1631 	device_create_file(&new_client->dev, &sensor_dev_attr_fan8_div.dev_attr);
1632 	device_create_file(&new_client->dev, &sensor_dev_attr_fan8_min.dev_attr);
1633 	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
1634 	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
1635 	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
1636 	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
1637 	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
1638 	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
1639 	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
1640 	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
1641 	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
1642 	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_offset.dev_attr);
1643 	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_offset.dev_attr);
1644 	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_offset.dev_attr);
1645 	device_create_file(&new_client->dev,
1646 		&sensor_dev_attr_temp1_auto_point1_temp.dev_attr);
1647 	device_create_file(&new_client->dev,
1648 		&sensor_dev_attr_temp2_auto_point1_temp.dev_attr);
1649 	device_create_file(&new_client->dev,
1650 		&sensor_dev_attr_temp3_auto_point1_temp.dev_attr);
1651 	device_create_file(&new_client->dev,
1652 		&sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr);
1653 	device_create_file(&new_client->dev,
1654 		&sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr);
1655 	device_create_file(&new_client->dev,
1656 		&sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr);
1657 	device_create_file(&new_client->dev,
1658 		&sensor_dev_attr_temp1_auto_point2_temp.dev_attr);
1659 	device_create_file(&new_client->dev,
1660 		&sensor_dev_attr_temp2_auto_point2_temp.dev_attr);
1661 	device_create_file(&new_client->dev,
1662 		&sensor_dev_attr_temp3_auto_point2_temp.dev_attr);
1663 	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr);
1664 	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_crit.dev_attr);
1665 	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr);
1666 	device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable);
1667 	device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable);
1668 	device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable);
1669 	/* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */
1670 	device_create_file(&new_client->dev, &dev_attr_vid);
1671 	device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
1672 	device_create_file(&new_client->dev, &dev_attr_vrm);
1673 	device_create_file(&new_client->dev, &dev_attr_alarms);
1674 	device_create_file(&new_client->dev, &dev_attr_alarm_mask);
1675 	device_create_file(&new_client->dev, &dev_attr_gpio);
1676 	device_create_file(&new_client->dev, &dev_attr_gpio_mask);
1677 	device_create_file(&new_client->dev, &dev_attr_pwm1);
1678 	device_create_file(&new_client->dev, &dev_attr_pwm2);
1679 	device_create_file(&new_client->dev, &dev_attr_pwm3);
1680 	device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
1681 	device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
1682 	device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
1683 	device_create_file(&new_client->dev, &dev_attr_temp1_auto_point1_pwm);
1684 	device_create_file(&new_client->dev, &dev_attr_temp2_auto_point1_pwm);
1685 	device_create_file(&new_client->dev, &dev_attr_temp3_auto_point1_pwm);
1686 	device_create_file(&new_client->dev, &dev_attr_temp1_auto_point2_pwm);
1687 	device_create_file(&new_client->dev, &dev_attr_temp2_auto_point2_pwm);
1688 	device_create_file(&new_client->dev, &dev_attr_temp3_auto_point2_pwm);
1689 	device_create_file(&new_client->dev, &dev_attr_analog_out);
1690 	return 0;
1691 
1692 	/* Error out and cleanup code */
1693 exitfree:
1694 	kfree(data);
1695 exit:
1696 	return err;
1697 }
1698 static int __init sm_adm1026_init(void)
1699 {
1700 	return i2c_add_driver(&adm1026_driver);
1701 }
1702 
1703 static void  __exit sm_adm1026_exit(void)
1704 {
1705 	i2c_del_driver(&adm1026_driver);
1706 }
1707 
1708 MODULE_LICENSE("GPL");
1709 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1710               "Justin Thiessen <jthiessen@penguincomputing.com>");
1711 MODULE_DESCRIPTION("ADM1026 driver");
1712 
1713 module_init(sm_adm1026_init);
1714 module_exit(sm_adm1026_exit);
1715