iwlwifi: introduce host commands callbacks
[linux/fpc-iii.git] / drivers / hwmon / adm1026.c
blob904c6ce9d83f912196b2ef0a6e2ee961e9fabe87
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>
7 Chip details at:
9 <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf>
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.
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.
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.
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/hwmon.h>
32 #include <linux/hwmon-sysfs.h>
33 #include <linux/hwmon-vid.h>
34 #include <linux/err.h>
35 #include <linux/mutex.h>
37 /* Addresses to scan */
38 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
40 /* Insmod parameters */
41 I2C_CLIENT_INSMOD_1(adm1026);
43 static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
44 -1, -1, -1, -1, -1, -1, -1, -1 };
45 static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
46 -1, -1, -1, -1, -1, -1, -1, -1 };
47 static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
48 -1, -1, -1, -1, -1, -1, -1, -1 };
49 static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
50 -1, -1, -1, -1, -1, -1, -1, -1 };
51 static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
52 module_param_array(gpio_input, int, NULL, 0);
53 MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
54 module_param_array(gpio_output, int, NULL, 0);
55 MODULE_PARM_DESC(gpio_output, "List of GPIO pins (0-16) to program as "
56 "outputs");
57 module_param_array(gpio_inverted, int, NULL, 0);
58 MODULE_PARM_DESC(gpio_inverted, "List of GPIO pins (0-16) to program as "
59 "inverted");
60 module_param_array(gpio_normal, int, NULL, 0);
61 MODULE_PARM_DESC(gpio_normal, "List of GPIO pins (0-16) to program as "
62 "normal/non-inverted");
63 module_param_array(gpio_fan, int, NULL, 0);
64 MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
66 /* Many ADM1026 constants specified below */
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
79 #define ADM1026_REG_CONFIG2 0x01
80 /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
82 #define ADM1026_REG_CONFIG3 0x07
83 #define CFG3_GPIO16_ENABLE 0x01
84 #define CFG3_CI_CLEAR 0x02
85 #define CFG3_VREF_250 0x04
86 #define CFG3_GPIO16_DIR 0x40
87 #define CFG3_GPIO16_POL 0x80
89 #define ADM1026_REG_E2CONFIG 0x13
90 #define E2CFG_READ 0x01
91 #define E2CFG_WRITE 0x02
92 #define E2CFG_ERASE 0x04
93 #define E2CFG_ROM 0x08
94 #define E2CFG_CLK_EXT 0x80
96 /* There are 10 general analog inputs and 7 dedicated inputs
97 * They are:
98 * 0 - 9 = AIN0 - AIN9
99 * 10 = Vbat
100 * 11 = 3.3V Standby
101 * 12 = 3.3V Main
102 * 13 = +5V
103 * 14 = Vccp (CPU core voltage)
104 * 15 = +12V
105 * 16 = -12V
107 static u16 ADM1026_REG_IN[] = {
108 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
109 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
110 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
112 static u16 ADM1026_REG_IN_MIN[] = {
113 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
114 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
115 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
117 static u16 ADM1026_REG_IN_MAX[] = {
118 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
119 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
120 0x43, 0x44, 0x45, 0x46, 0x47
123 /* Temperatures are:
124 * 0 - Internal
125 * 1 - External 1
126 * 2 - External 2
128 static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
129 static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
130 static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
131 static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
132 static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
133 static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
135 #define ADM1026_REG_FAN(nr) (0x38 + (nr))
136 #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
137 #define ADM1026_REG_FAN_DIV_0_3 0x02
138 #define ADM1026_REG_FAN_DIV_4_7 0x03
140 #define ADM1026_REG_DAC 0x04
141 #define ADM1026_REG_PWM 0x05
143 #define ADM1026_REG_GPIO_CFG_0_3 0x08
144 #define ADM1026_REG_GPIO_CFG_4_7 0x09
145 #define ADM1026_REG_GPIO_CFG_8_11 0x0a
146 #define ADM1026_REG_GPIO_CFG_12_15 0x0b
147 /* CFG_16 in REG_CFG3 */
148 #define ADM1026_REG_GPIO_STATUS_0_7 0x24
149 #define ADM1026_REG_GPIO_STATUS_8_15 0x25
150 /* STATUS_16 in REG_STATUS4 */
151 #define ADM1026_REG_GPIO_MASK_0_7 0x1c
152 #define ADM1026_REG_GPIO_MASK_8_15 0x1d
153 /* MASK_16 in REG_MASK4 */
155 #define ADM1026_REG_COMPANY 0x16
156 #define ADM1026_REG_VERSTEP 0x17
157 /* These are the recognized values for the above regs */
158 #define ADM1026_COMPANY_ANALOG_DEV 0x41
159 #define ADM1026_VERSTEP_GENERIC 0x40
160 #define ADM1026_VERSTEP_ADM1026 0x44
162 #define ADM1026_REG_MASK1 0x18
163 #define ADM1026_REG_MASK2 0x19
164 #define ADM1026_REG_MASK3 0x1a
165 #define ADM1026_REG_MASK4 0x1b
167 #define ADM1026_REG_STATUS1 0x20
168 #define ADM1026_REG_STATUS2 0x21
169 #define ADM1026_REG_STATUS3 0x22
170 #define ADM1026_REG_STATUS4 0x23
172 #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
173 #define ADM1026_FAN_CONTROL_TEMP_RANGE 20
174 #define ADM1026_PWM_MAX 255
176 /* Conversions. Rounding and limit checking is only done on the TO_REG
177 * variants. Note that you should be a bit careful with which arguments
178 * these macros are called: arguments may be evaluated more than once.
181 /* IN are scaled acording to built-in resistors. These are the
182 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
183 * NOTE: The -12V input needs an additional factor to account
184 * for the Vref pullup resistor.
185 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
186 * = 13875 * 2.50 / 1.875 - 2500
187 * = 16000
189 * The values in this table are based on Table II, page 15 of the
190 * datasheet.
192 static int adm1026_scaling[] = { /* .001 Volts */
193 2250, 2250, 2250, 2250, 2250, 2250,
194 1875, 1875, 1875, 1875, 3000, 3330,
195 3330, 4995, 2250, 12000, 13875
197 #define NEG12_OFFSET 16000
198 #define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
199 #define INS_TO_REG(n, val) (SENSORS_LIMIT(SCALE(val, adm1026_scaling[n], 192),\
200 0, 255))
201 #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
203 /* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
204 * and we assume a 2 pulse-per-rev fan tach signal
205 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
207 #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
208 SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
209 #define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
210 1350000/((val)*(div)))
211 #define DIV_FROM_REG(val) (1<<(val))
212 #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
214 /* Temperature is reported in 1 degC increments */
215 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
216 -127, 127))
217 #define TEMP_FROM_REG(val) ((val) * 1000)
218 #define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
219 -127, 127))
220 #define OFFSET_FROM_REG(val) ((val) * 1000)
222 #define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
223 #define PWM_FROM_REG(val) (val)
225 #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
226 #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
228 /* Analog output is a voltage, and scaled to millivolts. The datasheet
229 * indicates that the DAC could be used to drive the fans, but in our
230 * example board (Arima HDAMA) it isn't connected to the fans at all.
232 #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
233 #define DAC_FROM_REG(val) (((val)*2500)/255)
235 /* Chip sampling rates
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.
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*
246 #define ADM1026_DATA_INTERVAL (1 * HZ)
247 #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
249 /* We allow for multiple chips in a single system.
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. */
255 struct pwm_data {
256 u8 pwm;
257 u8 enable;
258 u8 auto_pwm_min;
261 struct adm1026_data {
262 struct i2c_client client;
263 struct device *hwmon_dev;
265 struct mutex 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 */
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 */
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 reg);
301 static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
302 static void adm1026_print_gpio(struct i2c_client *client);
303 static void adm1026_fixup_gpio(struct i2c_client *client);
304 static struct adm1026_data *adm1026_update_device(struct device *dev);
305 static void adm1026_init_client(struct i2c_client *client);
308 static struct i2c_driver adm1026_driver = {
309 .driver = {
310 .name = "adm1026",
312 .attach_adapter = adm1026_attach_adapter,
313 .detach_client = adm1026_detach_client,
316 static int adm1026_attach_adapter(struct i2c_adapter *adapter)
318 if (!(adapter->class & I2C_CLASS_HWMON)) {
319 return 0;
321 return i2c_probe(adapter, &addr_data, adm1026_detect);
324 static int adm1026_read_value(struct i2c_client *client, u8 reg)
326 int res;
328 if (reg < 0x80) {
329 /* "RAM" locations */
330 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
331 } else {
332 /* EEPROM, do nothing */
333 res = 0;
335 return res;
338 static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
340 int res;
342 if (reg < 0x80) {
343 /* "RAM" locations */
344 res = i2c_smbus_write_byte_data(client, reg, value);
345 } else {
346 /* EEPROM, do nothing */
347 res = 0;
349 return res;
352 static void adm1026_init_client(struct i2c_client *client)
354 int value, i;
355 struct adm1026_data *data = i2c_get_clientdata(client);
357 dev_dbg(&client->dev, "Initializing device\n");
358 /* Read chip config */
359 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
360 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
361 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
363 /* Inform user of chip config */
364 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
365 data->config1);
366 if ((data->config1 & CFG1_MONITOR) == 0) {
367 dev_dbg(&client->dev, "Monitoring not currently "
368 "enabled.\n");
370 if (data->config1 & CFG1_INT_ENABLE) {
371 dev_dbg(&client->dev, "SMBALERT interrupts are "
372 "enabled.\n");
374 if (data->config1 & CFG1_AIN8_9) {
375 dev_dbg(&client->dev, "in8 and in9 enabled. "
376 "temp3 disabled.\n");
377 } else {
378 dev_dbg(&client->dev, "temp3 enabled. in8 and "
379 "in9 disabled.\n");
381 if (data->config1 & CFG1_THERM_HOT) {
382 dev_dbg(&client->dev, "Automatic THERM, PWM, "
383 "and temp limits enabled.\n");
386 if (data->config3 & CFG3_GPIO16_ENABLE) {
387 dev_dbg(&client->dev, "GPIO16 enabled. THERM "
388 "pin disabled.\n");
389 } else {
390 dev_dbg(&client->dev, "THERM pin enabled. "
391 "GPIO16 disabled.\n");
393 if (data->config3 & CFG3_VREF_250) {
394 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
395 } else {
396 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
398 /* Read and pick apart the existing GPIO configuration */
399 value = 0;
400 for (i = 0;i <= 15;++i) {
401 if ((i & 0x03) == 0) {
402 value = adm1026_read_value(client,
403 ADM1026_REG_GPIO_CFG_0_3 + i/4);
405 data->gpio_config[i] = value & 0x03;
406 value >>= 2;
408 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
410 /* ... and then print it */
411 adm1026_print_gpio(client);
413 /* If the user asks us to reprogram the GPIO config, then
414 * do it now.
416 if (gpio_input[0] != -1 || gpio_output[0] != -1
417 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
418 || gpio_fan[0] != -1) {
419 adm1026_fixup_gpio(client);
422 /* WE INTENTIONALLY make no changes to the limits,
423 * offsets, pwms, fans and zones. If they were
424 * configured, we don't want to mess with them.
425 * If they weren't, the default is 100% PWM, no
426 * control and will suffice until 'sensors -s'
427 * can be run by the user. We DO set the default
428 * value for pwm1.auto_pwm_min to its maximum
429 * so that enabling automatic pwm fan control
430 * without first setting a value for pwm1.auto_pwm_min
431 * will not result in potentially dangerous fan speed decrease.
433 data->pwm1.auto_pwm_min=255;
434 /* Start monitoring */
435 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
436 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
437 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
438 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
439 data->config1 = value;
440 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
442 /* initialize fan_div[] to hardware defaults */
443 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
444 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
445 for (i = 0;i <= 7;++i) {
446 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
447 value >>= 2;
451 static void adm1026_print_gpio(struct i2c_client *client)
453 struct adm1026_data *data = i2c_get_clientdata(client);
454 int i;
456 dev_dbg(&client->dev, "GPIO config is:");
457 for (i = 0;i <= 7;++i) {
458 if (data->config2 & (1 << i)) {
459 dev_dbg(&client->dev, "\t%sGP%s%d\n",
460 data->gpio_config[i] & 0x02 ? "" : "!",
461 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
463 } else {
464 dev_dbg(&client->dev, "\tFAN%d\n", i);
467 for (i = 8;i <= 15;++i) {
468 dev_dbg(&client->dev, "\t%sGP%s%d\n",
469 data->gpio_config[i] & 0x02 ? "" : "!",
470 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
473 if (data->config3 & CFG3_GPIO16_ENABLE) {
474 dev_dbg(&client->dev, "\t%sGP%s16\n",
475 data->gpio_config[16] & 0x02 ? "" : "!",
476 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
477 } else {
478 /* GPIO16 is THERM */
479 dev_dbg(&client->dev, "\tTHERM\n");
483 static void adm1026_fixup_gpio(struct i2c_client *client)
485 struct adm1026_data *data = i2c_get_clientdata(client);
486 int i;
487 int value;
489 /* Make the changes requested. */
490 /* We may need to unlock/stop monitoring or soft-reset the
491 * chip before we can make changes. This hasn't been
492 * tested much. FIXME
495 /* Make outputs */
496 for (i = 0;i <= 16;++i) {
497 if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
498 data->gpio_config[gpio_output[i]] |= 0x01;
500 /* if GPIO0-7 is output, it isn't a FAN tach */
501 if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
502 data->config2 |= 1 << gpio_output[i];
506 /* Input overrides output */
507 for (i = 0;i <= 16;++i) {
508 if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
509 data->gpio_config[gpio_input[i]] &= ~ 0x01;
511 /* if GPIO0-7 is input, it isn't a FAN tach */
512 if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
513 data->config2 |= 1 << gpio_input[i];
517 /* Inverted */
518 for (i = 0;i <= 16;++i) {
519 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
520 data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
524 /* Normal overrides inverted */
525 for (i = 0;i <= 16;++i) {
526 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
527 data->gpio_config[gpio_normal[i]] |= 0x02;
531 /* Fan overrides input and output */
532 for (i = 0;i <= 7;++i) {
533 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
534 data->config2 &= ~(1 << gpio_fan[i]);
538 /* Write new configs to registers */
539 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
540 data->config3 = (data->config3 & 0x3f)
541 | ((data->gpio_config[16] & 0x03) << 6);
542 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
543 for (i = 15, value = 0;i >= 0;--i) {
544 value <<= 2;
545 value |= data->gpio_config[i] & 0x03;
546 if ((i & 0x03) == 0) {
547 adm1026_write_value(client,
548 ADM1026_REG_GPIO_CFG_0_3 + i/4,
549 value);
550 value = 0;
554 /* Print the new config */
555 adm1026_print_gpio(client);
559 static struct adm1026_data *adm1026_update_device(struct device *dev)
561 struct i2c_client *client = to_i2c_client(dev);
562 struct adm1026_data *data = i2c_get_clientdata(client);
563 int i;
564 long value, alarms, gpio;
566 mutex_lock(&data->update_lock);
567 if (!data->valid
568 || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
569 /* Things that change quickly */
570 dev_dbg(&client->dev, "Reading sensor values\n");
571 for (i = 0;i <= 16;++i) {
572 data->in[i] =
573 adm1026_read_value(client, ADM1026_REG_IN[i]);
576 for (i = 0;i <= 7;++i) {
577 data->fan[i] =
578 adm1026_read_value(client, ADM1026_REG_FAN(i));
581 for (i = 0;i <= 2;++i) {
582 /* NOTE: temp[] is s8 and we assume 2's complement
583 * "conversion" in the assignment */
584 data->temp[i] =
585 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
588 data->pwm1.pwm = adm1026_read_value(client,
589 ADM1026_REG_PWM);
590 data->analog_out = adm1026_read_value(client,
591 ADM1026_REG_DAC);
592 /* GPIO16 is MSbit of alarms, move it to gpio */
593 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
594 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
595 alarms &= 0x7f;
596 alarms <<= 8;
597 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
598 alarms <<= 8;
599 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
600 alarms <<= 8;
601 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
602 data->alarms = alarms;
604 /* Read the GPIO values */
605 gpio |= adm1026_read_value(client,
606 ADM1026_REG_GPIO_STATUS_8_15);
607 gpio <<= 8;
608 gpio |= adm1026_read_value(client,
609 ADM1026_REG_GPIO_STATUS_0_7);
610 data->gpio = gpio;
612 data->last_reading = jiffies;
613 }; /* last_reading */
615 if (!data->valid ||
616 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
617 /* Things that don't change often */
618 dev_dbg(&client->dev, "Reading config values\n");
619 for (i = 0;i <= 16;++i) {
620 data->in_min[i] = adm1026_read_value(client,
621 ADM1026_REG_IN_MIN[i]);
622 data->in_max[i] = adm1026_read_value(client,
623 ADM1026_REG_IN_MAX[i]);
626 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
627 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
628 << 8);
629 for (i = 0;i <= 7;++i) {
630 data->fan_min[i] = adm1026_read_value(client,
631 ADM1026_REG_FAN_MIN(i));
632 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
633 value >>= 2;
636 for (i = 0; i <= 2; ++i) {
637 /* NOTE: temp_xxx[] are s8 and we assume 2's
638 * complement "conversion" in the assignment
640 data->temp_min[i] = adm1026_read_value(client,
641 ADM1026_REG_TEMP_MIN[i]);
642 data->temp_max[i] = adm1026_read_value(client,
643 ADM1026_REG_TEMP_MAX[i]);
644 data->temp_tmin[i] = adm1026_read_value(client,
645 ADM1026_REG_TEMP_TMIN[i]);
646 data->temp_crit[i] = adm1026_read_value(client,
647 ADM1026_REG_TEMP_THERM[i]);
648 data->temp_offset[i] = adm1026_read_value(client,
649 ADM1026_REG_TEMP_OFFSET[i]);
652 /* Read the STATUS/alarm masks */
653 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
654 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
655 alarms = (alarms & 0x7f) << 8;
656 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
657 alarms <<= 8;
658 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
659 alarms <<= 8;
660 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
661 data->alarm_mask = alarms;
663 /* Read the GPIO values */
664 gpio |= adm1026_read_value(client,
665 ADM1026_REG_GPIO_MASK_8_15);
666 gpio <<= 8;
667 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
668 data->gpio_mask = gpio;
670 /* Read various values from CONFIG1 */
671 data->config1 = adm1026_read_value(client,
672 ADM1026_REG_CONFIG1);
673 if (data->config1 & CFG1_PWM_AFC) {
674 data->pwm1.enable = 2;
675 data->pwm1.auto_pwm_min =
676 PWM_MIN_FROM_REG(data->pwm1.pwm);
678 /* Read the GPIO config */
679 data->config2 = adm1026_read_value(client,
680 ADM1026_REG_CONFIG2);
681 data->config3 = adm1026_read_value(client,
682 ADM1026_REG_CONFIG3);
683 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
685 value = 0;
686 for (i = 0;i <= 15;++i) {
687 if ((i & 0x03) == 0) {
688 value = adm1026_read_value(client,
689 ADM1026_REG_GPIO_CFG_0_3 + i/4);
691 data->gpio_config[i] = value & 0x03;
692 value >>= 2;
695 data->last_config = jiffies;
696 }; /* last_config */
698 dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
699 data->vid = (data->gpio >> 11) & 0x1f;
700 data->valid = 1;
701 mutex_unlock(&data->update_lock);
702 return data;
705 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
706 char *buf)
708 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
709 int nr = sensor_attr->index;
710 struct adm1026_data *data = adm1026_update_device(dev);
711 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
713 static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
714 char *buf)
716 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
717 int nr = sensor_attr->index;
718 struct adm1026_data *data = adm1026_update_device(dev);
719 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
721 static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
722 const char *buf, size_t count)
724 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
725 int nr = sensor_attr->index;
726 struct i2c_client *client = to_i2c_client(dev);
727 struct adm1026_data *data = i2c_get_clientdata(client);
728 int val = simple_strtol(buf, NULL, 10);
730 mutex_lock(&data->update_lock);
731 data->in_min[nr] = INS_TO_REG(nr, val);
732 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
733 mutex_unlock(&data->update_lock);
734 return count;
736 static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
737 char *buf)
739 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
740 int nr = sensor_attr->index;
741 struct adm1026_data *data = adm1026_update_device(dev);
742 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
744 static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
745 const char *buf, size_t count)
747 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
748 int nr = sensor_attr->index;
749 struct i2c_client *client = to_i2c_client(dev);
750 struct adm1026_data *data = i2c_get_clientdata(client);
751 int val = simple_strtol(buf, NULL, 10);
753 mutex_lock(&data->update_lock);
754 data->in_max[nr] = INS_TO_REG(nr, val);
755 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
756 mutex_unlock(&data->update_lock);
757 return count;
760 #define in_reg(offset) \
761 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
762 NULL, offset); \
763 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
764 show_in_min, set_in_min, offset); \
765 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
766 show_in_max, set_in_max, offset);
769 in_reg(0);
770 in_reg(1);
771 in_reg(2);
772 in_reg(3);
773 in_reg(4);
774 in_reg(5);
775 in_reg(6);
776 in_reg(7);
777 in_reg(8);
778 in_reg(9);
779 in_reg(10);
780 in_reg(11);
781 in_reg(12);
782 in_reg(13);
783 in_reg(14);
784 in_reg(15);
786 static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
788 struct adm1026_data *data = adm1026_update_device(dev);
789 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
790 NEG12_OFFSET);
792 static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
794 struct adm1026_data *data = adm1026_update_device(dev);
795 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
796 - NEG12_OFFSET);
798 static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
800 struct i2c_client *client = to_i2c_client(dev);
801 struct adm1026_data *data = i2c_get_clientdata(client);
802 int val = simple_strtol(buf, NULL, 10);
804 mutex_lock(&data->update_lock);
805 data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
806 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
807 mutex_unlock(&data->update_lock);
808 return count;
810 static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
812 struct adm1026_data *data = adm1026_update_device(dev);
813 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
814 - NEG12_OFFSET);
816 static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
818 struct i2c_client *client = to_i2c_client(dev);
819 struct adm1026_data *data = i2c_get_clientdata(client);
820 int val = simple_strtol(buf, NULL, 10);
822 mutex_lock(&data->update_lock);
823 data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
824 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
825 mutex_unlock(&data->update_lock);
826 return count;
829 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
830 static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
831 static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
836 /* Now add fan read/write functions */
838 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
839 char *buf)
841 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
842 int nr = sensor_attr->index;
843 struct adm1026_data *data = adm1026_update_device(dev);
844 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
845 data->fan_div[nr]));
847 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
848 char *buf)
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_min[nr],
854 data->fan_div[nr]));
856 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
857 const char *buf, size_t count)
859 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
860 int nr = sensor_attr->index;
861 struct i2c_client *client = to_i2c_client(dev);
862 struct adm1026_data *data = i2c_get_clientdata(client);
863 int val = simple_strtol(buf, NULL, 10);
865 mutex_lock(&data->update_lock);
866 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
867 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
868 data->fan_min[nr]);
869 mutex_unlock(&data->update_lock);
870 return count;
873 #define fan_offset(offset) \
874 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
875 offset - 1); \
876 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
877 show_fan_min, set_fan_min, offset - 1);
879 fan_offset(1);
880 fan_offset(2);
881 fan_offset(3);
882 fan_offset(4);
883 fan_offset(5);
884 fan_offset(6);
885 fan_offset(7);
886 fan_offset(8);
888 /* Adjust fan_min to account for new fan divisor */
889 static void fixup_fan_min(struct device *dev, int fan, int old_div)
891 struct i2c_client *client = to_i2c_client(dev);
892 struct adm1026_data *data = i2c_get_clientdata(client);
893 int new_min;
894 int new_div = data->fan_div[fan];
896 /* 0 and 0xff are special. Don't adjust them */
897 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
898 return;
901 new_min = data->fan_min[fan] * old_div / new_div;
902 new_min = SENSORS_LIMIT(new_min, 1, 254);
903 data->fan_min[fan] = new_min;
904 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
907 /* Now add fan_div read/write functions */
908 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
909 char *buf)
911 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
912 int nr = sensor_attr->index;
913 struct adm1026_data *data = adm1026_update_device(dev);
914 return sprintf(buf, "%d\n", data->fan_div[nr]);
916 static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
917 const char *buf, size_t count)
919 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
920 int nr = sensor_attr->index;
921 struct i2c_client *client = to_i2c_client(dev);
922 struct adm1026_data *data = i2c_get_clientdata(client);
923 int val, orig_div, new_div, shift;
925 val = simple_strtol(buf, NULL, 10);
926 new_div = DIV_TO_REG(val);
927 if (new_div == 0) {
928 return -EINVAL;
930 mutex_lock(&data->update_lock);
931 orig_div = data->fan_div[nr];
932 data->fan_div[nr] = DIV_FROM_REG(new_div);
934 if (nr < 4) { /* 0 <= nr < 4 */
935 shift = 2 * nr;
936 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
937 ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
938 (new_div << shift)));
939 } else { /* 3 < nr < 8 */
940 shift = 2 * (nr - 4);
941 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
942 ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
943 (new_div << shift)));
946 if (data->fan_div[nr] != orig_div) {
947 fixup_fan_min(dev, nr, orig_div);
949 mutex_unlock(&data->update_lock);
950 return count;
953 #define fan_offset_div(offset) \
954 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
955 show_fan_div, set_fan_div, offset - 1);
957 fan_offset_div(1);
958 fan_offset_div(2);
959 fan_offset_div(3);
960 fan_offset_div(4);
961 fan_offset_div(5);
962 fan_offset_div(6);
963 fan_offset_div(7);
964 fan_offset_div(8);
966 /* Temps */
967 static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
968 char *buf)
970 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
971 int nr = sensor_attr->index;
972 struct adm1026_data *data = adm1026_update_device(dev);
973 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
975 static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
976 char *buf)
978 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
979 int nr = sensor_attr->index;
980 struct adm1026_data *data = adm1026_update_device(dev);
981 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
983 static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
984 const char *buf, size_t count)
986 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
987 int nr = sensor_attr->index;
988 struct i2c_client *client = to_i2c_client(dev);
989 struct adm1026_data *data = i2c_get_clientdata(client);
990 int val = simple_strtol(buf, NULL, 10);
992 mutex_lock(&data->update_lock);
993 data->temp_min[nr] = TEMP_TO_REG(val);
994 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
995 data->temp_min[nr]);
996 mutex_unlock(&data->update_lock);
997 return count;
999 static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
1000 char *buf)
1002 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1003 int nr = sensor_attr->index;
1004 struct adm1026_data *data = adm1026_update_device(dev);
1005 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1007 static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
1008 const char *buf, size_t count)
1010 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1011 int nr = sensor_attr->index;
1012 struct i2c_client *client = to_i2c_client(dev);
1013 struct adm1026_data *data = i2c_get_clientdata(client);
1014 int val = simple_strtol(buf, NULL, 10);
1016 mutex_lock(&data->update_lock);
1017 data->temp_max[nr] = TEMP_TO_REG(val);
1018 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
1019 data->temp_max[nr]);
1020 mutex_unlock(&data->update_lock);
1021 return count;
1024 #define temp_reg(offset) \
1025 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
1026 NULL, offset - 1); \
1027 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
1028 show_temp_min, set_temp_min, offset - 1); \
1029 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
1030 show_temp_max, set_temp_max, offset - 1);
1033 temp_reg(1);
1034 temp_reg(2);
1035 temp_reg(3);
1037 static ssize_t show_temp_offset(struct device *dev,
1038 struct device_attribute *attr, char *buf)
1040 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1041 int nr = sensor_attr->index;
1042 struct adm1026_data *data = adm1026_update_device(dev);
1043 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1045 static ssize_t set_temp_offset(struct device *dev,
1046 struct device_attribute *attr, const char *buf,
1047 size_t count)
1049 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1050 int nr = sensor_attr->index;
1051 struct i2c_client *client = to_i2c_client(dev);
1052 struct adm1026_data *data = i2c_get_clientdata(client);
1053 int val = simple_strtol(buf, NULL, 10);
1055 mutex_lock(&data->update_lock);
1056 data->temp_offset[nr] = TEMP_TO_REG(val);
1057 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
1058 data->temp_offset[nr]);
1059 mutex_unlock(&data->update_lock);
1060 return count;
1063 #define temp_offset_reg(offset) \
1064 static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
1065 show_temp_offset, set_temp_offset, offset - 1);
1067 temp_offset_reg(1);
1068 temp_offset_reg(2);
1069 temp_offset_reg(3);
1071 static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev,
1072 struct device_attribute *attr, char *buf)
1074 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1075 int nr = sensor_attr->index;
1076 struct adm1026_data *data = adm1026_update_device(dev);
1077 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1078 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
1080 static ssize_t show_temp_auto_point2_temp(struct device *dev,
1081 struct device_attribute *attr, char *buf)
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(data->temp_tmin[nr] +
1087 ADM1026_FAN_CONTROL_TEMP_RANGE));
1089 static ssize_t show_temp_auto_point1_temp(struct device *dev,
1090 struct device_attribute *attr, char *buf)
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]));
1097 static ssize_t set_temp_auto_point1_temp(struct device *dev,
1098 struct device_attribute *attr, const char *buf, size_t count)
1100 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1101 int nr = sensor_attr->index;
1102 struct i2c_client *client = to_i2c_client(dev);
1103 struct adm1026_data *data = i2c_get_clientdata(client);
1104 int val = simple_strtol(buf, NULL, 10);
1106 mutex_lock(&data->update_lock);
1107 data->temp_tmin[nr] = TEMP_TO_REG(val);
1108 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
1109 data->temp_tmin[nr]);
1110 mutex_unlock(&data->update_lock);
1111 return count;
1114 #define temp_auto_point(offset) \
1115 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, \
1116 S_IRUGO | S_IWUSR, show_temp_auto_point1_temp, \
1117 set_temp_auto_point1_temp, offset - 1); \
1118 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,\
1119 show_temp_auto_point1_temp_hyst, NULL, offset - 1); \
1120 static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \
1121 show_temp_auto_point2_temp, NULL, offset - 1);
1123 temp_auto_point(1);
1124 temp_auto_point(2);
1125 temp_auto_point(3);
1127 static ssize_t show_temp_crit_enable(struct device *dev,
1128 struct device_attribute *attr, char *buf)
1130 struct adm1026_data *data = adm1026_update_device(dev);
1131 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1133 static ssize_t set_temp_crit_enable(struct device *dev,
1134 struct device_attribute *attr, const char *buf, size_t count)
1136 struct i2c_client *client = to_i2c_client(dev);
1137 struct adm1026_data *data = i2c_get_clientdata(client);
1138 int val = simple_strtol(buf, NULL, 10);
1140 if ((val == 1) || (val==0)) {
1141 mutex_lock(&data->update_lock);
1142 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
1143 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1144 data->config1);
1145 mutex_unlock(&data->update_lock);
1147 return count;
1150 #define temp_crit_enable(offset) \
1151 static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \
1152 show_temp_crit_enable, set_temp_crit_enable);
1154 temp_crit_enable(1);
1155 temp_crit_enable(2);
1156 temp_crit_enable(3);
1158 static ssize_t show_temp_crit(struct device *dev,
1159 struct device_attribute *attr, char *buf)
1161 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1162 int nr = sensor_attr->index;
1163 struct adm1026_data *data = adm1026_update_device(dev);
1164 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1166 static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
1167 const char *buf, size_t count)
1169 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1170 int nr = sensor_attr->index;
1171 struct i2c_client *client = to_i2c_client(dev);
1172 struct adm1026_data *data = i2c_get_clientdata(client);
1173 int val = simple_strtol(buf, NULL, 10);
1175 mutex_lock(&data->update_lock);
1176 data->temp_crit[nr] = TEMP_TO_REG(val);
1177 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1178 data->temp_crit[nr]);
1179 mutex_unlock(&data->update_lock);
1180 return count;
1183 #define temp_crit_reg(offset) \
1184 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \
1185 show_temp_crit, set_temp_crit, offset - 1);
1187 temp_crit_reg(1);
1188 temp_crit_reg(2);
1189 temp_crit_reg(3);
1191 static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
1193 struct adm1026_data *data = adm1026_update_device(dev);
1194 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1196 static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1197 size_t count)
1199 struct i2c_client *client = to_i2c_client(dev);
1200 struct adm1026_data *data = i2c_get_clientdata(client);
1201 int val = simple_strtol(buf, NULL, 10);
1203 mutex_lock(&data->update_lock);
1204 data->analog_out = DAC_TO_REG(val);
1205 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
1206 mutex_unlock(&data->update_lock);
1207 return count;
1210 static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
1211 set_analog_out_reg);
1213 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
1215 struct adm1026_data *data = adm1026_update_device(dev);
1216 return sprintf(buf, "%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
1218 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
1220 static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1222 struct adm1026_data *data = dev_get_drvdata(dev);
1223 return sprintf(buf, "%d\n", data->vrm);
1225 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1226 size_t count)
1228 struct adm1026_data *data = dev_get_drvdata(dev);
1230 data->vrm = simple_strtol(buf, NULL, 10);
1231 return count;
1234 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
1236 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
1238 struct adm1026_data *data = adm1026_update_device(dev);
1239 return sprintf(buf, "%ld\n", data->alarms);
1242 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
1244 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
1245 char *buf)
1247 struct adm1026_data *data = adm1026_update_device(dev);
1248 int bitnr = to_sensor_dev_attr(attr)->index;
1249 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1252 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0);
1253 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1);
1254 static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 1);
1255 static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 2);
1256 static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 3);
1257 static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 4);
1258 static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 5);
1259 static SENSOR_DEVICE_ATTR(in15_alarm, S_IRUGO, show_alarm, NULL, 6);
1260 static SENSOR_DEVICE_ATTR(in16_alarm, S_IRUGO, show_alarm, NULL, 7);
1261 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1262 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1263 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1264 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1265 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1266 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1267 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1268 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1269 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1270 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1271 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1272 static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 19);
1273 static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 20);
1274 static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 21);
1275 static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 22);
1276 static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, 23);
1277 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
1278 static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
1279 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
1281 static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
1283 struct adm1026_data *data = adm1026_update_device(dev);
1284 return sprintf(buf, "%ld\n", data->alarm_mask);
1286 static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1287 size_t count)
1289 struct i2c_client *client = to_i2c_client(dev);
1290 struct adm1026_data *data = i2c_get_clientdata(client);
1291 int val = simple_strtol(buf, NULL, 10);
1292 unsigned long mask;
1294 mutex_lock(&data->update_lock);
1295 data->alarm_mask = val & 0x7fffffff;
1296 mask = data->alarm_mask
1297 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1298 adm1026_write_value(client, ADM1026_REG_MASK1,
1299 mask & 0xff);
1300 mask >>= 8;
1301 adm1026_write_value(client, ADM1026_REG_MASK2,
1302 mask & 0xff);
1303 mask >>= 8;
1304 adm1026_write_value(client, ADM1026_REG_MASK3,
1305 mask & 0xff);
1306 mask >>= 8;
1307 adm1026_write_value(client, ADM1026_REG_MASK4,
1308 mask & 0xff);
1309 mutex_unlock(&data->update_lock);
1310 return count;
1313 static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
1314 set_alarm_mask);
1317 static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
1319 struct adm1026_data *data = adm1026_update_device(dev);
1320 return sprintf(buf, "%ld\n", data->gpio);
1322 static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
1323 size_t count)
1325 struct i2c_client *client = to_i2c_client(dev);
1326 struct adm1026_data *data = i2c_get_clientdata(client);
1327 int val = simple_strtol(buf, NULL, 10);
1328 long gpio;
1330 mutex_lock(&data->update_lock);
1331 data->gpio = val & 0x1ffff;
1332 gpio = data->gpio;
1333 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1334 gpio >>= 8;
1335 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1336 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
1337 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
1338 mutex_unlock(&data->update_lock);
1339 return count;
1342 static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
1345 static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
1347 struct adm1026_data *data = adm1026_update_device(dev);
1348 return sprintf(buf, "%ld\n", data->gpio_mask);
1350 static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
1351 size_t count)
1353 struct i2c_client *client = to_i2c_client(dev);
1354 struct adm1026_data *data = i2c_get_clientdata(client);
1355 int val = simple_strtol(buf, NULL, 10);
1356 long mask;
1358 mutex_lock(&data->update_lock);
1359 data->gpio_mask = val & 0x1ffff;
1360 mask = data->gpio_mask;
1361 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1362 mask >>= 8;
1363 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1364 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
1365 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
1366 mutex_unlock(&data->update_lock);
1367 return count;
1370 static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
1372 static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
1374 struct adm1026_data *data = adm1026_update_device(dev);
1375 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1377 static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
1378 size_t count)
1380 struct i2c_client *client = to_i2c_client(dev);
1381 struct adm1026_data *data = i2c_get_clientdata(client);
1383 if (data->pwm1.enable == 1) {
1384 int val = simple_strtol(buf, NULL, 10);
1386 mutex_lock(&data->update_lock);
1387 data->pwm1.pwm = PWM_TO_REG(val);
1388 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1389 mutex_unlock(&data->update_lock);
1391 return count;
1393 static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
1395 struct adm1026_data *data = adm1026_update_device(dev);
1396 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1398 static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
1399 size_t count)
1401 struct i2c_client *client = to_i2c_client(dev);
1402 struct adm1026_data *data = i2c_get_clientdata(client);
1403 int val = simple_strtol(buf, NULL, 10);
1405 mutex_lock(&data->update_lock);
1406 data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
1407 if (data->pwm1.enable == 2) { /* apply immediately */
1408 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1409 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1410 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1412 mutex_unlock(&data->update_lock);
1413 return count;
1415 static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
1417 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1419 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
1421 struct adm1026_data *data = adm1026_update_device(dev);
1422 return sprintf(buf, "%d\n", data->pwm1.enable);
1424 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
1425 size_t count)
1427 struct i2c_client *client = to_i2c_client(dev);
1428 struct adm1026_data *data = i2c_get_clientdata(client);
1429 int val = simple_strtol(buf, NULL, 10);
1430 int old_enable;
1432 if ((val >= 0) && (val < 3)) {
1433 mutex_lock(&data->update_lock);
1434 old_enable = data->pwm1.enable;
1435 data->pwm1.enable = val;
1436 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1437 | ((val == 2) ? CFG1_PWM_AFC : 0);
1438 adm1026_write_value(client, ADM1026_REG_CONFIG1,
1439 data->config1);
1440 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1441 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1442 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1443 adm1026_write_value(client, ADM1026_REG_PWM,
1444 data->pwm1.pwm);
1445 } else if (!((old_enable == 1) && (val == 1))) {
1446 /* set pwm to safe value */
1447 data->pwm1.pwm = 255;
1448 adm1026_write_value(client, ADM1026_REG_PWM,
1449 data->pwm1.pwm);
1451 mutex_unlock(&data->update_lock);
1453 return count;
1456 /* enable PWM fan control */
1457 static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1458 static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1459 static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg);
1460 static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1461 set_pwm_enable);
1462 static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1463 set_pwm_enable);
1464 static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
1465 set_pwm_enable);
1466 static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1467 show_auto_pwm_min, set_auto_pwm_min);
1468 static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1469 show_auto_pwm_min, set_auto_pwm_min);
1470 static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1471 show_auto_pwm_min, set_auto_pwm_min);
1473 static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1474 static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1475 static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
1477 static struct attribute *adm1026_attributes[] = {
1478 &sensor_dev_attr_in0_input.dev_attr.attr,
1479 &sensor_dev_attr_in0_max.dev_attr.attr,
1480 &sensor_dev_attr_in0_min.dev_attr.attr,
1481 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1482 &sensor_dev_attr_in1_input.dev_attr.attr,
1483 &sensor_dev_attr_in1_max.dev_attr.attr,
1484 &sensor_dev_attr_in1_min.dev_attr.attr,
1485 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1486 &sensor_dev_attr_in2_input.dev_attr.attr,
1487 &sensor_dev_attr_in2_max.dev_attr.attr,
1488 &sensor_dev_attr_in2_min.dev_attr.attr,
1489 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1490 &sensor_dev_attr_in3_input.dev_attr.attr,
1491 &sensor_dev_attr_in3_max.dev_attr.attr,
1492 &sensor_dev_attr_in3_min.dev_attr.attr,
1493 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1494 &sensor_dev_attr_in4_input.dev_attr.attr,
1495 &sensor_dev_attr_in4_max.dev_attr.attr,
1496 &sensor_dev_attr_in4_min.dev_attr.attr,
1497 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1498 &sensor_dev_attr_in5_input.dev_attr.attr,
1499 &sensor_dev_attr_in5_max.dev_attr.attr,
1500 &sensor_dev_attr_in5_min.dev_attr.attr,
1501 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1502 &sensor_dev_attr_in6_input.dev_attr.attr,
1503 &sensor_dev_attr_in6_max.dev_attr.attr,
1504 &sensor_dev_attr_in6_min.dev_attr.attr,
1505 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1506 &sensor_dev_attr_in7_input.dev_attr.attr,
1507 &sensor_dev_attr_in7_max.dev_attr.attr,
1508 &sensor_dev_attr_in7_min.dev_attr.attr,
1509 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1510 &sensor_dev_attr_in10_input.dev_attr.attr,
1511 &sensor_dev_attr_in10_max.dev_attr.attr,
1512 &sensor_dev_attr_in10_min.dev_attr.attr,
1513 &sensor_dev_attr_in10_alarm.dev_attr.attr,
1514 &sensor_dev_attr_in11_input.dev_attr.attr,
1515 &sensor_dev_attr_in11_max.dev_attr.attr,
1516 &sensor_dev_attr_in11_min.dev_attr.attr,
1517 &sensor_dev_attr_in11_alarm.dev_attr.attr,
1518 &sensor_dev_attr_in12_input.dev_attr.attr,
1519 &sensor_dev_attr_in12_max.dev_attr.attr,
1520 &sensor_dev_attr_in12_min.dev_attr.attr,
1521 &sensor_dev_attr_in12_alarm.dev_attr.attr,
1522 &sensor_dev_attr_in13_input.dev_attr.attr,
1523 &sensor_dev_attr_in13_max.dev_attr.attr,
1524 &sensor_dev_attr_in13_min.dev_attr.attr,
1525 &sensor_dev_attr_in13_alarm.dev_attr.attr,
1526 &sensor_dev_attr_in14_input.dev_attr.attr,
1527 &sensor_dev_attr_in14_max.dev_attr.attr,
1528 &sensor_dev_attr_in14_min.dev_attr.attr,
1529 &sensor_dev_attr_in14_alarm.dev_attr.attr,
1530 &sensor_dev_attr_in15_input.dev_attr.attr,
1531 &sensor_dev_attr_in15_max.dev_attr.attr,
1532 &sensor_dev_attr_in15_min.dev_attr.attr,
1533 &sensor_dev_attr_in15_alarm.dev_attr.attr,
1534 &sensor_dev_attr_in16_input.dev_attr.attr,
1535 &sensor_dev_attr_in16_max.dev_attr.attr,
1536 &sensor_dev_attr_in16_min.dev_attr.attr,
1537 &sensor_dev_attr_in16_alarm.dev_attr.attr,
1538 &sensor_dev_attr_fan1_input.dev_attr.attr,
1539 &sensor_dev_attr_fan1_div.dev_attr.attr,
1540 &sensor_dev_attr_fan1_min.dev_attr.attr,
1541 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1542 &sensor_dev_attr_fan2_input.dev_attr.attr,
1543 &sensor_dev_attr_fan2_div.dev_attr.attr,
1544 &sensor_dev_attr_fan2_min.dev_attr.attr,
1545 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1546 &sensor_dev_attr_fan3_input.dev_attr.attr,
1547 &sensor_dev_attr_fan3_div.dev_attr.attr,
1548 &sensor_dev_attr_fan3_min.dev_attr.attr,
1549 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1550 &sensor_dev_attr_fan4_input.dev_attr.attr,
1551 &sensor_dev_attr_fan4_div.dev_attr.attr,
1552 &sensor_dev_attr_fan4_min.dev_attr.attr,
1553 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
1554 &sensor_dev_attr_fan5_input.dev_attr.attr,
1555 &sensor_dev_attr_fan5_div.dev_attr.attr,
1556 &sensor_dev_attr_fan5_min.dev_attr.attr,
1557 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
1558 &sensor_dev_attr_fan6_input.dev_attr.attr,
1559 &sensor_dev_attr_fan6_div.dev_attr.attr,
1560 &sensor_dev_attr_fan6_min.dev_attr.attr,
1561 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
1562 &sensor_dev_attr_fan7_input.dev_attr.attr,
1563 &sensor_dev_attr_fan7_div.dev_attr.attr,
1564 &sensor_dev_attr_fan7_min.dev_attr.attr,
1565 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
1566 &sensor_dev_attr_fan8_input.dev_attr.attr,
1567 &sensor_dev_attr_fan8_div.dev_attr.attr,
1568 &sensor_dev_attr_fan8_min.dev_attr.attr,
1569 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
1570 &sensor_dev_attr_temp1_input.dev_attr.attr,
1571 &sensor_dev_attr_temp1_max.dev_attr.attr,
1572 &sensor_dev_attr_temp1_min.dev_attr.attr,
1573 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1574 &sensor_dev_attr_temp2_input.dev_attr.attr,
1575 &sensor_dev_attr_temp2_max.dev_attr.attr,
1576 &sensor_dev_attr_temp2_min.dev_attr.attr,
1577 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1578 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1579 &sensor_dev_attr_temp2_offset.dev_attr.attr,
1580 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1581 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
1582 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1583 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
1584 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1585 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
1586 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1587 &sensor_dev_attr_temp2_crit.dev_attr.attr,
1588 &dev_attr_temp1_crit_enable.attr,
1589 &dev_attr_temp2_crit_enable.attr,
1590 &dev_attr_cpu0_vid.attr,
1591 &dev_attr_vrm.attr,
1592 &dev_attr_alarms.attr,
1593 &dev_attr_alarm_mask.attr,
1594 &dev_attr_gpio.attr,
1595 &dev_attr_gpio_mask.attr,
1596 &dev_attr_pwm1.attr,
1597 &dev_attr_pwm2.attr,
1598 &dev_attr_pwm3.attr,
1599 &dev_attr_pwm1_enable.attr,
1600 &dev_attr_pwm2_enable.attr,
1601 &dev_attr_pwm3_enable.attr,
1602 &dev_attr_temp1_auto_point1_pwm.attr,
1603 &dev_attr_temp2_auto_point1_pwm.attr,
1604 &dev_attr_temp1_auto_point2_pwm.attr,
1605 &dev_attr_temp2_auto_point2_pwm.attr,
1606 &dev_attr_analog_out.attr,
1607 NULL
1610 static const struct attribute_group adm1026_group = {
1611 .attrs = adm1026_attributes,
1614 static struct attribute *adm1026_attributes_temp3[] = {
1615 &sensor_dev_attr_temp3_input.dev_attr.attr,
1616 &sensor_dev_attr_temp3_max.dev_attr.attr,
1617 &sensor_dev_attr_temp3_min.dev_attr.attr,
1618 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1619 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1620 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1621 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1622 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1623 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1624 &dev_attr_temp3_crit_enable.attr,
1625 &dev_attr_temp3_auto_point1_pwm.attr,
1626 &dev_attr_temp3_auto_point2_pwm.attr,
1627 NULL
1630 static const struct attribute_group adm1026_group_temp3 = {
1631 .attrs = adm1026_attributes_temp3,
1634 static struct attribute *adm1026_attributes_in8_9[] = {
1635 &sensor_dev_attr_in8_input.dev_attr.attr,
1636 &sensor_dev_attr_in8_max.dev_attr.attr,
1637 &sensor_dev_attr_in8_min.dev_attr.attr,
1638 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1639 &sensor_dev_attr_in9_input.dev_attr.attr,
1640 &sensor_dev_attr_in9_max.dev_attr.attr,
1641 &sensor_dev_attr_in9_min.dev_attr.attr,
1642 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1643 NULL
1646 static const struct attribute_group adm1026_group_in8_9 = {
1647 .attrs = adm1026_attributes_in8_9,
1650 static int adm1026_detect(struct i2c_adapter *adapter, int address,
1651 int kind)
1653 int company, verstep;
1654 struct i2c_client *client;
1655 struct adm1026_data *data;
1656 int err = 0;
1657 const char *type_name = "";
1659 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1660 /* We need to be able to do byte I/O */
1661 goto exit;
1664 /* OK. For now, we presume we have a valid client. We now create the
1665 client structure, even though we cannot fill it completely yet.
1666 But it allows us to access adm1026_{read,write}_value. */
1668 if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
1669 err = -ENOMEM;
1670 goto exit;
1673 client = &data->client;
1674 i2c_set_clientdata(client, data);
1675 client->addr = address;
1676 client->adapter = adapter;
1677 client->driver = &adm1026_driver;
1679 /* Now, we do the remaining detection. */
1681 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1682 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1684 dev_dbg(&client->dev, "Detecting device at %d,0x%02x with"
1685 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1686 i2c_adapter_id(client->adapter), client->addr,
1687 company, verstep);
1689 /* If auto-detecting, Determine the chip type. */
1690 if (kind <= 0) {
1691 dev_dbg(&client->dev, "Autodetecting device at %d,0x%02x "
1692 "...\n", i2c_adapter_id(adapter), address);
1693 if (company == ADM1026_COMPANY_ANALOG_DEV
1694 && verstep == ADM1026_VERSTEP_ADM1026) {
1695 kind = adm1026;
1696 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1697 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1698 dev_err(&adapter->dev, ": Unrecognized stepping "
1699 "0x%02x. Defaulting to ADM1026.\n", verstep);
1700 kind = adm1026;
1701 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
1702 dev_err(&adapter->dev, ": Found version/stepping "
1703 "0x%02x. Assuming generic ADM1026.\n",
1704 verstep);
1705 kind = any_chip;
1706 } else {
1707 dev_dbg(&client->dev, ": Autodetection "
1708 "failed\n");
1709 /* Not an ADM1026 ... */
1710 if (kind == 0) { /* User used force=x,y */
1711 dev_err(&adapter->dev, "Generic ADM1026 not "
1712 "found at %d,0x%02x. Try "
1713 "force_adm1026.\n",
1714 i2c_adapter_id(adapter), address);
1716 goto exitfree;
1720 /* Fill in the chip specific driver values */
1721 switch (kind) {
1722 case any_chip :
1723 type_name = "adm1026";
1724 break;
1725 case adm1026 :
1726 type_name = "adm1026";
1727 break;
1728 default :
1729 dev_err(&adapter->dev, ": Internal error, invalid "
1730 "kind (%d)!\n", kind);
1731 err = -EFAULT;
1732 goto exitfree;
1734 strlcpy(client->name, type_name, I2C_NAME_SIZE);
1736 /* Fill in the remaining client fields */
1737 mutex_init(&data->update_lock);
1739 /* Tell the I2C layer a new client has arrived */
1740 if ((err = i2c_attach_client(client)))
1741 goto exitfree;
1743 /* Set the VRM version */
1744 data->vrm = vid_which_vrm();
1746 /* Initialize the ADM1026 chip */
1747 adm1026_init_client(client);
1749 /* Register sysfs hooks */
1750 if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
1751 goto exitdetach;
1752 if (data->config1 & CFG1_AIN8_9)
1753 err = sysfs_create_group(&client->dev.kobj,
1754 &adm1026_group_in8_9);
1755 else
1756 err = sysfs_create_group(&client->dev.kobj,
1757 &adm1026_group_temp3);
1758 if (err)
1759 goto exitremove;
1761 data->hwmon_dev = hwmon_device_register(&client->dev);
1762 if (IS_ERR(data->hwmon_dev)) {
1763 err = PTR_ERR(data->hwmon_dev);
1764 goto exitremove;
1767 return 0;
1769 /* Error out and cleanup code */
1770 exitremove:
1771 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
1772 if (data->config1 & CFG1_AIN8_9)
1773 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1774 else
1775 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1776 exitdetach:
1777 i2c_detach_client(client);
1778 exitfree:
1779 kfree(data);
1780 exit:
1781 return err;
1784 static int adm1026_detach_client(struct i2c_client *client)
1786 struct adm1026_data *data = i2c_get_clientdata(client);
1787 hwmon_device_unregister(data->hwmon_dev);
1788 sysfs_remove_group(&client->dev.kobj, &adm1026_group);
1789 if (data->config1 & CFG1_AIN8_9)
1790 sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
1791 else
1792 sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
1793 i2c_detach_client(client);
1794 kfree(data);
1795 return 0;
1798 static int __init sm_adm1026_init(void)
1800 return i2c_add_driver(&adm1026_driver);
1803 static void __exit sm_adm1026_exit(void)
1805 i2c_del_driver(&adm1026_driver);
1808 MODULE_LICENSE("GPL");
1809 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1810 "Justin Thiessen <jthiessen@penguincomputing.com>");
1811 MODULE_DESCRIPTION("ADM1026 driver");
1813 module_init(sm_adm1026_init);
1814 module_exit(sm_adm1026_exit);