2 * ADT7316 digital temperature sensor driver supporting ADT7316/7/8 ADT7516/7/9
5 * Copyright 2010 Analog Devices Inc.
7 * Licensed under the GPL-2 or later.
10 #include <linux/interrupt.h>
11 #include <linux/gpio.h>
12 #include <linux/workqueue.h>
13 #include <linux/device.h>
14 #include <linux/kernel.h>
15 #include <linux/slab.h>
16 #include <linux/sysfs.h>
17 #include <linux/list.h>
18 #include <linux/i2c.h>
19 #include <linux/rtc.h>
26 * ADT7316 registers definition
28 #define ADT7316_INT_STAT1 0x0
29 #define ADT7316_INT_STAT2 0x1
30 #define ADT7316_LSB_IN_TEMP_VDD 0x3
31 #define ADT7316_LSB_IN_TEMP_MASK 0x3
32 #define ADT7316_LSB_VDD_MASK 0xC
33 #define ADT7316_LSB_VDD_OFFSET 2
34 #define ADT7316_LSB_EX_TEMP_AIN 0x4
35 #define ADT7316_LSB_EX_TEMP_MASK 0x3
36 #define ADT7516_LSB_AIN_SHIFT 2
37 #define ADT7316_AD_MSB_DATA_BASE 0x6
38 #define ADT7316_AD_MSB_DATA_REGS 3
39 #define ADT7516_AD_MSB_DATA_REGS 6
40 #define ADT7316_MSB_VDD 0x6
41 #define ADT7316_MSB_IN_TEMP 0x7
42 #define ADT7316_MSB_EX_TEMP 0x8
43 #define ADT7516_MSB_AIN1 0x8
44 #define ADT7516_MSB_AIN2 0x9
45 #define ADT7516_MSB_AIN3 0xA
46 #define ADT7516_MSB_AIN4 0xB
47 #define ADT7316_DA_DATA_BASE 0x10
48 #define ADT7316_DA_MSB_DATA_REGS 4
49 #define ADT7316_LSB_DAC_A 0x10
50 #define ADT7316_MSB_DAC_A 0x11
51 #define ADT7316_LSB_DAC_B 0x12
52 #define ADT7316_MSB_DAC_B 0x13
53 #define ADT7316_LSB_DAC_C 0x14
54 #define ADT7316_MSB_DAC_C 0x15
55 #define ADT7316_LSB_DAC_D 0x16
56 #define ADT7316_MSB_DAC_D 0x17
57 #define ADT7316_CONFIG1 0x18
58 #define ADT7316_CONFIG2 0x19
59 #define ADT7316_CONFIG3 0x1A
60 #define ADT7316_LDAC_CONFIG 0x1B
61 #define ADT7316_DAC_CONFIG 0x1C
62 #define ADT7316_INT_MASK1 0x1D
63 #define ADT7316_INT_MASK2 0x1E
64 #define ADT7316_IN_TEMP_OFFSET 0x1F
65 #define ADT7316_EX_TEMP_OFFSET 0x20
66 #define ADT7316_IN_ANALOG_TEMP_OFFSET 0x21
67 #define ADT7316_EX_ANALOG_TEMP_OFFSET 0x22
68 #define ADT7316_VDD_HIGH 0x23
69 #define ADT7316_VDD_LOW 0x24
70 #define ADT7316_IN_TEMP_HIGH 0x25
71 #define ADT7316_IN_TEMP_LOW 0x26
72 #define ADT7316_EX_TEMP_HIGH 0x27
73 #define ADT7316_EX_TEMP_LOW 0x28
74 #define ADT7516_AIN2_HIGH 0x2B
75 #define ADT7516_AIN2_LOW 0x2C
76 #define ADT7516_AIN3_HIGH 0x2D
77 #define ADT7516_AIN3_LOW 0x2E
78 #define ADT7516_AIN4_HIGH 0x2F
79 #define ADT7516_AIN4_LOW 0x30
80 #define ADT7316_DEVICE_ID 0x4D
81 #define ADT7316_MANUFACTURE_ID 0x4E
82 #define ADT7316_DEVICE_REV 0x4F
83 #define ADT7316_SPI_LOCK_STAT 0x7F
88 #define ADT7316_EN 0x1
89 #define ADT7516_SEL_EX_TEMP 0x4
90 #define ADT7516_SEL_AIN1_2_EX_TEMP_MASK 0x6
91 #define ADT7516_SEL_AIN3 0x8
92 #define ADT7316_INT_EN 0x20
93 #define ADT7316_INT_POLARITY 0x40
94 #define ADT7316_PD 0x80
99 #define ADT7316_AD_SINGLE_CH_MASK 0x3
100 #define ADT7516_AD_SINGLE_CH_MASK 0x7
101 #define ADT7316_AD_SINGLE_CH_VDD 0
102 #define ADT7316_AD_SINGLE_CH_IN 1
103 #define ADT7316_AD_SINGLE_CH_EX 2
104 #define ADT7516_AD_SINGLE_CH_AIN1 2
105 #define ADT7516_AD_SINGLE_CH_AIN2 3
106 #define ADT7516_AD_SINGLE_CH_AIN3 4
107 #define ADT7516_AD_SINGLE_CH_AIN4 5
108 #define ADT7316_AD_SINGLE_CH_MODE 0x10
109 #define ADT7316_DISABLE_AVERAGING 0x20
110 #define ADT7316_EN_SMBUS_TIMEOUT 0x40
111 #define ADT7316_RESET 0x80
116 #define ADT7316_ADCLK_22_5 0x1
117 #define ADT7316_DA_HIGH_RESOLUTION 0x2
118 #define ADT7316_DA_EN_VIA_DAC_LDCA 0x4
119 #define ADT7516_AIN_IN_VREF 0x10
120 #define ADT7316_EN_IN_TEMP_PROP_DACA 0x20
121 #define ADT7316_EN_EX_TEMP_PROP_DACB 0x40
126 #define ADT7316_DA_2VREF_CH_MASK 0xF
127 #define ADT7316_DA_EN_MODE_MASK 0x30
128 #define ADT7316_DA_EN_MODE_SINGLE 0x00
129 #define ADT7316_DA_EN_MODE_AB_CD 0x10
130 #define ADT7316_DA_EN_MODE_ABCD 0x20
131 #define ADT7316_DA_EN_MODE_LDAC 0x30
132 #define ADT7316_VREF_BYPASS_DAC_AB 0x40
133 #define ADT7316_VREF_BYPASS_DAC_CD 0x80
136 * ADT7316 LDAC config
138 #define ADT7316_LDAC_EN_DA_MASK 0xF
139 #define ADT7316_DAC_IN_VREF 0x10
140 #define ADT7516_DAC_AB_IN_VREF 0x10
141 #define ADT7516_DAC_CD_IN_VREF 0x20
142 #define ADT7516_DAC_IN_VREF_OFFSET 4
143 #define ADT7516_DAC_IN_VREF_MASK 0x30
148 #define ADT7316_INT_MASK2_VDD 0x10
151 * ADT7316 value masks
153 #define ADT7316_VALUE_MASK 0xfff
154 #define ADT7316_T_VALUE_SIGN 0x400
155 #define ADT7316_T_VALUE_FLOAT_OFFSET 2
156 #define ADT7316_T_VALUE_FLOAT_MASK 0x2
161 #define ID_ADT7316 0x1
162 #define ID_ADT7317 0x2
163 #define ID_ADT7318 0x3
164 #define ID_ADT7516 0x11
165 #define ID_ADT7517 0x12
166 #define ID_ADT7519 0x14
168 #define ID_FAMILY_MASK 0xF0
169 #define ID_ADT73XX 0x0
170 #define ID_ADT75XX 0x10
173 * struct adt7316_chip_info - chip specifc information
176 struct adt7316_chip_info {
178 struct iio_dev *indio_dev;
179 struct work_struct thresh_work;
181 struct adt7316_bus bus;
183 u16 int_mask; /* 0x2f */
187 u8 dac_config; /* DAC config */
188 u8 ldac_config; /* LDAC config */
189 u8 dac_bits; /* 8, 10, 12 */
194 * Logic interrupt mask for user application to enable
197 #define ADT7316_IN_TEMP_HIGH_INT_MASK 0x1
198 #define ADT7316_IN_TEMP_LOW_INT_MASK 0x2
199 #define ADT7316_EX_TEMP_HIGH_INT_MASK 0x4
200 #define ADT7316_EX_TEMP_LOW_INT_MASK 0x8
201 #define ADT7316_EX_TEMP_FAULT_INT_MASK 0x10
202 #define ADT7516_AIN1_INT_MASK 0x4
203 #define ADT7516_AIN2_INT_MASK 0x20
204 #define ADT7516_AIN3_INT_MASK 0x40
205 #define ADT7516_AIN4_INT_MASK 0x80
206 #define ADT7316_VDD_INT_MASK 0x100
207 #define ADT7316_TEMP_INT_MASK 0x1F
208 #define ADT7516_AIN_INT_MASK 0xE0
209 #define ADT7316_TEMP_AIN_INT_MASK \
210 (ADT7316_TEMP_INT_MASK | ADT7316_TEMP_INT_MASK)
213 * struct adt7316_chip_info - chip specifc information
216 struct adt7316_limit_regs {
221 static ssize_t adt7316_show_enabled(struct device *dev,
222 struct device_attribute *attr,
225 struct iio_dev *dev_info = dev_get_drvdata(dev);
226 struct adt7316_chip_info *chip = dev_info->dev_data;
228 return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_EN));
231 static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip,
238 config1 = chip->config1 | ADT7316_EN;
240 config1 = chip->config1 & ~ADT7316_EN;
242 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
246 chip->config1 = config1;
252 static ssize_t adt7316_store_enabled(struct device *dev,
253 struct device_attribute *attr,
257 struct iio_dev *dev_info = dev_get_drvdata(dev);
258 struct adt7316_chip_info *chip = dev_info->dev_data;
261 if (!memcmp(buf, "1", 1))
266 if (_adt7316_store_enabled(chip, enable) < 0)
272 static IIO_DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR,
273 adt7316_show_enabled,
274 adt7316_store_enabled,
277 static ssize_t adt7316_show_select_ex_temp(struct device *dev,
278 struct device_attribute *attr,
281 struct iio_dev *dev_info = dev_get_drvdata(dev);
282 struct adt7316_chip_info *chip = dev_info->dev_data;
284 if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
287 return sprintf(buf, "%d\n", !!(chip->config1 & ADT7516_SEL_EX_TEMP));
290 static ssize_t adt7316_store_select_ex_temp(struct device *dev,
291 struct device_attribute *attr,
295 struct iio_dev *dev_info = dev_get_drvdata(dev);
296 struct adt7316_chip_info *chip = dev_info->dev_data;
300 if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
303 config1 = chip->config1 & (~ADT7516_SEL_EX_TEMP);
304 if (!memcmp(buf, "1", 1))
305 config1 |= ADT7516_SEL_EX_TEMP;
307 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
311 chip->config1 = config1;
316 static IIO_DEVICE_ATTR(select_ex_temp, S_IRUGO | S_IWUSR,
317 adt7316_show_select_ex_temp,
318 adt7316_store_select_ex_temp,
321 static ssize_t adt7316_show_mode(struct device *dev,
322 struct device_attribute *attr,
325 struct iio_dev *dev_info = dev_get_drvdata(dev);
326 struct adt7316_chip_info *chip = dev_info->dev_data;
328 if (chip->config2 & ADT7316_AD_SINGLE_CH_MODE)
329 return sprintf(buf, "single_channel\n");
331 return sprintf(buf, "round_robin\n");
334 static ssize_t adt7316_store_mode(struct device *dev,
335 struct device_attribute *attr,
339 struct iio_dev *dev_info = dev_get_drvdata(dev);
340 struct adt7316_chip_info *chip = dev_info->dev_data;
344 config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MODE);
345 if (!memcmp(buf, "single_channel", 14))
346 config2 |= ADT7316_AD_SINGLE_CH_MODE;
348 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
352 chip->config2 = config2;
357 static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
362 static ssize_t adt7316_show_all_modes(struct device *dev,
363 struct device_attribute *attr,
366 return sprintf(buf, "single_channel\nround_robin\n");
369 static IIO_DEVICE_ATTR(all_modes, S_IRUGO, adt7316_show_all_modes, NULL, 0);
371 static ssize_t adt7316_show_ad_channel(struct device *dev,
372 struct device_attribute *attr,
375 struct iio_dev *dev_info = dev_get_drvdata(dev);
376 struct adt7316_chip_info *chip = dev_info->dev_data;
378 if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
381 switch (chip->config2 & ADT7516_AD_SINGLE_CH_MASK) {
382 case ADT7316_AD_SINGLE_CH_VDD:
383 return sprintf(buf, "0 - VDD\n");
384 case ADT7316_AD_SINGLE_CH_IN:
385 return sprintf(buf, "1 - Internal Temperature\n");
386 case ADT7316_AD_SINGLE_CH_EX:
387 if (((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) &&
388 (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)
389 return sprintf(buf, "2 - AIN1\n");
391 return sprintf(buf, "2 - External Temperature\n");
392 case ADT7516_AD_SINGLE_CH_AIN2:
393 if ((chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)
394 return sprintf(buf, "3 - AIN2\n");
396 return sprintf(buf, "N/A\n");
397 case ADT7516_AD_SINGLE_CH_AIN3:
398 if (chip->config1 & ADT7516_SEL_AIN3)
399 return sprintf(buf, "4 - AIN3\n");
401 return sprintf(buf, "N/A\n");
402 case ADT7516_AD_SINGLE_CH_AIN4:
403 return sprintf(buf, "5 - AIN4\n");
405 return sprintf(buf, "N/A\n");
409 static ssize_t adt7316_store_ad_channel(struct device *dev,
410 struct device_attribute *attr,
414 struct iio_dev *dev_info = dev_get_drvdata(dev);
415 struct adt7316_chip_info *chip = dev_info->dev_data;
417 unsigned long data = 0;
420 if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
423 ret = strict_strtoul(buf, 10, &data);
427 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) {
431 config2 = chip->config2 & (~ADT7516_AD_SINGLE_CH_MASK);
436 config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MASK);
442 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
446 chip->config2 = config2;
451 static IIO_DEVICE_ATTR(ad_channel, S_IRUGO | S_IWUSR,
452 adt7316_show_ad_channel,
453 adt7316_store_ad_channel,
456 static ssize_t adt7316_show_all_ad_channels(struct device *dev,
457 struct device_attribute *attr,
460 struct iio_dev *dev_info = dev_get_drvdata(dev);
461 struct adt7316_chip_info *chip = dev_info->dev_data;
463 if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
466 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
467 return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n"
468 "2 - External Temperature or AIN2\n"
469 "3 - AIN2\n4 - AIN3\n5 - AIN4\n");
471 return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n"
472 "2 - External Temperature\n");
475 static IIO_DEVICE_ATTR(all_ad_channels, S_IRUGO,
476 adt7316_show_all_ad_channels, NULL, 0);
478 static ssize_t adt7316_show_disable_averaging(struct device *dev,
479 struct device_attribute *attr,
482 struct iio_dev *dev_info = dev_get_drvdata(dev);
483 struct adt7316_chip_info *chip = dev_info->dev_data;
485 return sprintf(buf, "%d\n",
486 !!(chip->config2 & ADT7316_DISABLE_AVERAGING));
489 static ssize_t adt7316_store_disable_averaging(struct device *dev,
490 struct device_attribute *attr,
494 struct iio_dev *dev_info = dev_get_drvdata(dev);
495 struct adt7316_chip_info *chip = dev_info->dev_data;
499 config2 = chip->config2 & (~ADT7316_DISABLE_AVERAGING);
500 if (!memcmp(buf, "1", 1))
501 config2 |= ADT7316_DISABLE_AVERAGING;
503 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
507 chip->config2 = config2;
512 static IIO_DEVICE_ATTR(disable_averaging, S_IRUGO | S_IWUSR,
513 adt7316_show_disable_averaging,
514 adt7316_store_disable_averaging,
517 static ssize_t adt7316_show_enable_smbus_timeout(struct device *dev,
518 struct device_attribute *attr,
521 struct iio_dev *dev_info = dev_get_drvdata(dev);
522 struct adt7316_chip_info *chip = dev_info->dev_data;
524 return sprintf(buf, "%d\n",
525 !!(chip->config2 & ADT7316_EN_SMBUS_TIMEOUT));
528 static ssize_t adt7316_store_enable_smbus_timeout(struct device *dev,
529 struct device_attribute *attr,
533 struct iio_dev *dev_info = dev_get_drvdata(dev);
534 struct adt7316_chip_info *chip = dev_info->dev_data;
538 config2 = chip->config2 & (~ADT7316_EN_SMBUS_TIMEOUT);
539 if (!memcmp(buf, "1", 1))
540 config2 |= ADT7316_EN_SMBUS_TIMEOUT;
542 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
546 chip->config2 = config2;
551 static IIO_DEVICE_ATTR(enable_smbus_timeout, S_IRUGO | S_IWUSR,
552 adt7316_show_enable_smbus_timeout,
553 adt7316_store_enable_smbus_timeout,
557 static ssize_t adt7316_store_reset(struct device *dev,
558 struct device_attribute *attr,
562 struct iio_dev *dev_info = dev_get_drvdata(dev);
563 struct adt7316_chip_info *chip = dev_info->dev_data;
567 config2 = chip->config2 | ADT7316_RESET;
569 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
576 static IIO_DEVICE_ATTR(reset, S_IWUSR,
581 static ssize_t adt7316_show_powerdown(struct device *dev,
582 struct device_attribute *attr,
585 struct iio_dev *dev_info = dev_get_drvdata(dev);
586 struct adt7316_chip_info *chip = dev_info->dev_data;
588 return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_PD));
591 static ssize_t adt7316_store_powerdown(struct device *dev,
592 struct device_attribute *attr,
596 struct iio_dev *dev_info = dev_get_drvdata(dev);
597 struct adt7316_chip_info *chip = dev_info->dev_data;
601 config1 = chip->config1 & (~ADT7316_PD);
602 if (!memcmp(buf, "1", 1))
603 config1 |= ADT7316_PD;
605 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
609 chip->config1 = config1;
614 static IIO_DEVICE_ATTR(powerdown, S_IRUGO | S_IWUSR,
615 adt7316_show_powerdown,
616 adt7316_store_powerdown,
619 static ssize_t adt7316_show_fast_ad_clock(struct device *dev,
620 struct device_attribute *attr,
623 struct iio_dev *dev_info = dev_get_drvdata(dev);
624 struct adt7316_chip_info *chip = dev_info->dev_data;
626 return sprintf(buf, "%d\n", !!(chip->config3 & ADT7316_ADCLK_22_5));
629 static ssize_t adt7316_store_fast_ad_clock(struct device *dev,
630 struct device_attribute *attr,
634 struct iio_dev *dev_info = dev_get_drvdata(dev);
635 struct adt7316_chip_info *chip = dev_info->dev_data;
639 config3 = chip->config3 & (~ADT7316_ADCLK_22_5);
640 if (!memcmp(buf, "1", 1))
641 config3 |= ADT7316_ADCLK_22_5;
643 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
647 chip->config3 = config3;
652 static IIO_DEVICE_ATTR(fast_ad_clock, S_IRUGO | S_IWUSR,
653 adt7316_show_fast_ad_clock,
654 adt7316_store_fast_ad_clock,
657 static ssize_t adt7316_show_da_high_resolution(struct device *dev,
658 struct device_attribute *attr,
661 struct iio_dev *dev_info = dev_get_drvdata(dev);
662 struct adt7316_chip_info *chip = dev_info->dev_data;
664 if (chip->config3 & ADT7316_DA_HIGH_RESOLUTION) {
665 if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516)
666 return sprintf(buf, "1 (12 bits)\n");
667 else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517)
668 return sprintf(buf, "1 (10 bits)\n");
671 return sprintf(buf, "0 (8 bits)\n");
674 static ssize_t adt7316_store_da_high_resolution(struct device *dev,
675 struct device_attribute *attr,
679 struct iio_dev *dev_info = dev_get_drvdata(dev);
680 struct adt7316_chip_info *chip = dev_info->dev_data;
686 if (!memcmp(buf, "1", 1)) {
687 config3 = chip->config3 | ADT7316_DA_HIGH_RESOLUTION;
688 if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516)
690 else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517)
693 config3 = chip->config3 & (~ADT7316_DA_HIGH_RESOLUTION);
695 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
699 chip->config3 = config3;
704 static IIO_DEVICE_ATTR(da_high_resolution, S_IRUGO | S_IWUSR,
705 adt7316_show_da_high_resolution,
706 adt7316_store_da_high_resolution,
709 static ssize_t adt7316_show_AIN_internal_Vref(struct device *dev,
710 struct device_attribute *attr,
713 struct iio_dev *dev_info = dev_get_drvdata(dev);
714 struct adt7316_chip_info *chip = dev_info->dev_data;
716 if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
719 return sprintf(buf, "%d\n",
720 !!(chip->config3 & ADT7516_AIN_IN_VREF));
723 static ssize_t adt7316_store_AIN_internal_Vref(struct device *dev,
724 struct device_attribute *attr,
728 struct iio_dev *dev_info = dev_get_drvdata(dev);
729 struct adt7316_chip_info *chip = dev_info->dev_data;
733 if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
736 if (memcmp(buf, "1", 1))
737 config3 = chip->config3 & (~ADT7516_AIN_IN_VREF);
739 config3 = chip->config3 | ADT7516_AIN_IN_VREF;
741 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
745 chip->config3 = config3;
750 static IIO_DEVICE_ATTR(AIN_internal_Vref, S_IRUGO | S_IWUSR,
751 adt7316_show_AIN_internal_Vref,
752 adt7316_store_AIN_internal_Vref,
756 static ssize_t adt7316_show_enable_prop_DACA(struct device *dev,
757 struct device_attribute *attr,
760 struct iio_dev *dev_info = dev_get_drvdata(dev);
761 struct adt7316_chip_info *chip = dev_info->dev_data;
763 return sprintf(buf, "%d\n",
764 !!(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA));
767 static ssize_t adt7316_store_enable_prop_DACA(struct device *dev,
768 struct device_attribute *attr,
772 struct iio_dev *dev_info = dev_get_drvdata(dev);
773 struct adt7316_chip_info *chip = dev_info->dev_data;
777 config3 = chip->config3 & (~ADT7316_EN_IN_TEMP_PROP_DACA);
778 if (!memcmp(buf, "1", 1))
779 config3 |= ADT7316_EN_IN_TEMP_PROP_DACA;
781 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
785 chip->config3 = config3;
790 static IIO_DEVICE_ATTR(enable_proportion_DACA, S_IRUGO | S_IWUSR,
791 adt7316_show_enable_prop_DACA,
792 adt7316_store_enable_prop_DACA,
795 static ssize_t adt7316_show_enable_prop_DACB(struct device *dev,
796 struct device_attribute *attr,
799 struct iio_dev *dev_info = dev_get_drvdata(dev);
800 struct adt7316_chip_info *chip = dev_info->dev_data;
802 return sprintf(buf, "%d\n",
803 !!(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB));
806 static ssize_t adt7316_store_enable_prop_DACB(struct device *dev,
807 struct device_attribute *attr,
811 struct iio_dev *dev_info = dev_get_drvdata(dev);
812 struct adt7316_chip_info *chip = dev_info->dev_data;
816 config3 = chip->config3 & (~ADT7316_EN_EX_TEMP_PROP_DACB);
817 if (!memcmp(buf, "1", 1))
818 config3 |= ADT7316_EN_EX_TEMP_PROP_DACB;
820 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
824 chip->config3 = config3;
829 static IIO_DEVICE_ATTR(enable_proportion_DACB, S_IRUGO | S_IWUSR,
830 adt7316_show_enable_prop_DACB,
831 adt7316_store_enable_prop_DACB,
834 static ssize_t adt7316_show_DAC_2Vref_ch_mask(struct device *dev,
835 struct device_attribute *attr,
838 struct iio_dev *dev_info = dev_get_drvdata(dev);
839 struct adt7316_chip_info *chip = dev_info->dev_data;
841 return sprintf(buf, "0x%x\n",
842 chip->dac_config & ADT7316_DA_2VREF_CH_MASK);
845 static ssize_t adt7316_store_DAC_2Vref_ch_mask(struct device *dev,
846 struct device_attribute *attr,
850 struct iio_dev *dev_info = dev_get_drvdata(dev);
851 struct adt7316_chip_info *chip = dev_info->dev_data;
853 unsigned long data = 0;
856 ret = strict_strtoul(buf, 16, &data);
857 if (ret || data > ADT7316_DA_2VREF_CH_MASK)
860 dac_config = chip->dac_config & (~ADT7316_DA_2VREF_CH_MASK);
863 ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
867 chip->dac_config = dac_config;
872 static IIO_DEVICE_ATTR(DAC_2Vref_channels_mask, S_IRUGO | S_IWUSR,
873 adt7316_show_DAC_2Vref_ch_mask,
874 adt7316_store_DAC_2Vref_ch_mask,
877 static ssize_t adt7316_show_DAC_update_mode(struct device *dev,
878 struct device_attribute *attr,
881 struct iio_dev *dev_info = dev_get_drvdata(dev);
882 struct adt7316_chip_info *chip = dev_info->dev_data;
884 if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA))
885 return sprintf(buf, "manual\n");
887 switch (chip->dac_config & ADT7316_DA_EN_MODE_MASK) {
888 case ADT7316_DA_EN_MODE_SINGLE:
889 return sprintf(buf, "0 - auto at any MSB DAC writing\n");
890 case ADT7316_DA_EN_MODE_AB_CD:
891 return sprintf(buf, "1 - auto at MSB DAC AB and CD writing\n");
892 case ADT7316_DA_EN_MODE_ABCD:
893 return sprintf(buf, "2 - auto at MSB DAC ABCD writing\n");
894 default: /* ADT7316_DA_EN_MODE_LDAC */
895 return sprintf(buf, "3 - manual\n");
900 static ssize_t adt7316_store_DAC_update_mode(struct device *dev,
901 struct device_attribute *attr,
905 struct iio_dev *dev_info = dev_get_drvdata(dev);
906 struct adt7316_chip_info *chip = dev_info->dev_data;
911 if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA))
914 ret = strict_strtoul(buf, 10, &data);
915 if (ret || data > ADT7316_DA_EN_MODE_MASK)
918 dac_config = chip->dac_config & (~ADT7316_DA_EN_MODE_MASK);
921 ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
925 chip->dac_config = dac_config;
930 static IIO_DEVICE_ATTR(DAC_update_mode, S_IRUGO | S_IWUSR,
931 adt7316_show_DAC_update_mode,
932 adt7316_store_DAC_update_mode,
935 static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev,
936 struct device_attribute *attr,
939 struct iio_dev *dev_info = dev_get_drvdata(dev);
940 struct adt7316_chip_info *chip = dev_info->dev_data;
942 if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA)
943 return sprintf(buf, "0 - auto at any MSB DAC writing\n"
944 "1 - auto at MSB DAC AB and CD writing\n"
945 "2 - auto at MSB DAC ABCD writing\n"
948 return sprintf(buf, "manual\n");
951 static IIO_DEVICE_ATTR(all_DAC_update_modes, S_IRUGO,
952 adt7316_show_all_DAC_update_modes, NULL, 0);
955 static ssize_t adt7316_store_update_DAC(struct device *dev,
956 struct device_attribute *attr,
960 struct iio_dev *dev_info = dev_get_drvdata(dev);
961 struct adt7316_chip_info *chip = dev_info->dev_data;
966 if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA) {
967 if ((chip->dac_config & ADT7316_DA_EN_MODE_MASK) !=
968 ADT7316_DA_EN_MODE_LDAC)
971 ret = strict_strtoul(buf, 16, &data);
972 if (ret || data > ADT7316_LDAC_EN_DA_MASK)
975 ldac_config = chip->ldac_config & (~ADT7316_LDAC_EN_DA_MASK);
978 ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG,
983 gpio_set_value(chip->ldac_pin, 0);
984 gpio_set_value(chip->ldac_pin, 1);
990 static IIO_DEVICE_ATTR(update_DAC, S_IRUGO | S_IWUSR,
992 adt7316_store_update_DAC,
995 static ssize_t adt7316_show_DA_AB_Vref_bypass(struct device *dev,
996 struct device_attribute *attr,
999 struct iio_dev *dev_info = dev_get_drvdata(dev);
1000 struct adt7316_chip_info *chip = dev_info->dev_data;
1002 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1005 return sprintf(buf, "%d\n",
1006 !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_AB));
1009 static ssize_t adt7316_store_DA_AB_Vref_bypass(struct device *dev,
1010 struct device_attribute *attr,
1014 struct iio_dev *dev_info = dev_get_drvdata(dev);
1015 struct adt7316_chip_info *chip = dev_info->dev_data;
1019 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1022 dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_AB);
1023 if (!memcmp(buf, "1", 1))
1024 dac_config |= ADT7316_VREF_BYPASS_DAC_AB;
1026 ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
1030 chip->dac_config = dac_config;
1035 static IIO_DEVICE_ATTR(DA_AB_Vref_bypass, S_IRUGO | S_IWUSR,
1036 adt7316_show_DA_AB_Vref_bypass,
1037 adt7316_store_DA_AB_Vref_bypass,
1040 static ssize_t adt7316_show_DA_CD_Vref_bypass(struct device *dev,
1041 struct device_attribute *attr,
1044 struct iio_dev *dev_info = dev_get_drvdata(dev);
1045 struct adt7316_chip_info *chip = dev_info->dev_data;
1047 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1050 return sprintf(buf, "%d\n",
1051 !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_CD));
1054 static ssize_t adt7316_store_DA_CD_Vref_bypass(struct device *dev,
1055 struct device_attribute *attr,
1059 struct iio_dev *dev_info = dev_get_drvdata(dev);
1060 struct adt7316_chip_info *chip = dev_info->dev_data;
1064 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1067 dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_CD);
1068 if (!memcmp(buf, "1", 1))
1069 dac_config |= ADT7316_VREF_BYPASS_DAC_CD;
1071 ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
1075 chip->dac_config = dac_config;
1080 static IIO_DEVICE_ATTR(DA_CD_Vref_bypass, S_IRUGO | S_IWUSR,
1081 adt7316_show_DA_CD_Vref_bypass,
1082 adt7316_store_DA_CD_Vref_bypass,
1085 static ssize_t adt7316_show_DAC_internal_Vref(struct device *dev,
1086 struct device_attribute *attr,
1089 struct iio_dev *dev_info = dev_get_drvdata(dev);
1090 struct adt7316_chip_info *chip = dev_info->dev_data;
1092 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1093 return sprintf(buf, "0x%x\n",
1094 (chip->dac_config & ADT7516_DAC_IN_VREF_MASK) >>
1095 ADT7516_DAC_IN_VREF_OFFSET);
1097 return sprintf(buf, "%d\n",
1098 !!(chip->dac_config & ADT7316_DAC_IN_VREF));
1101 static ssize_t adt7316_store_DAC_internal_Vref(struct device *dev,
1102 struct device_attribute *attr,
1106 struct iio_dev *dev_info = dev_get_drvdata(dev);
1107 struct adt7316_chip_info *chip = dev_info->dev_data;
1112 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) {
1113 ret = strict_strtoul(buf, 16, &data);
1114 if (ret || data > 3)
1117 ldac_config = chip->ldac_config & (~ADT7516_DAC_IN_VREF_MASK);
1119 ldac_config |= ADT7516_DAC_AB_IN_VREF;
1120 else if (data & 0x2)
1121 ldac_config |= ADT7516_DAC_CD_IN_VREF;
1123 ret = strict_strtoul(buf, 16, &data);
1127 ldac_config = chip->ldac_config & (~ADT7316_DAC_IN_VREF);
1129 ldac_config = chip->ldac_config | ADT7316_DAC_IN_VREF;
1132 ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG, ldac_config);
1136 chip->ldac_config = ldac_config;
1141 static IIO_DEVICE_ATTR(DAC_internal_Vref, S_IRUGO | S_IWUSR,
1142 adt7316_show_DAC_internal_Vref,
1143 adt7316_store_DAC_internal_Vref,
1146 static ssize_t adt7316_show_ad(struct adt7316_chip_info *chip,
1147 int channel, char *buf)
1154 if ((chip->config2 & ADT7316_AD_SINGLE_CH_MODE) &&
1155 channel != (chip->config2 & ADT7516_AD_SINGLE_CH_MASK))
1159 case ADT7316_AD_SINGLE_CH_IN:
1160 ret = chip->bus.read(chip->bus.client,
1161 ADT7316_LSB_IN_TEMP_VDD, &lsb);
1165 ret = chip->bus.read(chip->bus.client,
1166 ADT7316_AD_MSB_DATA_BASE + channel, &msb);
1170 data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
1171 data |= lsb & ADT7316_LSB_IN_TEMP_MASK;
1173 case ADT7316_AD_SINGLE_CH_VDD:
1174 ret = chip->bus.read(chip->bus.client,
1175 ADT7316_LSB_IN_TEMP_VDD, &lsb);
1179 ret = chip->bus.read(chip->bus.client,
1181 ADT7316_AD_MSB_DATA_BASE + channel, &msb);
1185 data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
1186 data |= (lsb & ADT7316_LSB_VDD_MASK) >> ADT7316_LSB_VDD_OFFSET;
1187 return sprintf(buf, "%d\n", data);
1188 default: /* ex_temp and ain */
1189 ret = chip->bus.read(chip->bus.client,
1190 ADT7316_LSB_EX_TEMP_AIN, &lsb);
1194 ret = chip->bus.read(chip->bus.client,
1195 ADT7316_AD_MSB_DATA_BASE + channel, &msb);
1199 data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
1200 data |= lsb & (ADT7316_LSB_EX_TEMP_MASK <<
1201 (ADT7516_LSB_AIN_SHIFT * (channel -
1202 (ADT7316_MSB_EX_TEMP - ADT7316_AD_MSB_DATA_BASE))));
1204 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1205 return sprintf(buf, "%d\n", data);
1210 if (data & ADT7316_T_VALUE_SIGN) {
1211 /* convert supplement to positive value */
1212 data = (ADT7316_T_VALUE_SIGN << 1) - data;
1216 return sprintf(buf, "%c%d.%.2d\n", sign,
1217 (data >> ADT7316_T_VALUE_FLOAT_OFFSET),
1218 (data & ADT7316_T_VALUE_FLOAT_MASK) * 25);
1221 static ssize_t adt7316_show_VDD(struct device *dev,
1222 struct device_attribute *attr,
1225 struct iio_dev *dev_info = dev_get_drvdata(dev);
1226 struct adt7316_chip_info *chip = dev_info->dev_data;
1228 return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_VDD, buf);
1230 static IIO_DEVICE_ATTR(VDD, S_IRUGO, adt7316_show_VDD, NULL, 0);
1232 static ssize_t adt7316_show_in_temp(struct device *dev,
1233 struct device_attribute *attr,
1236 struct iio_dev *dev_info = dev_get_drvdata(dev);
1237 struct adt7316_chip_info *chip = dev_info->dev_data;
1239 return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_IN, buf);
1242 static IIO_DEVICE_ATTR(in_temp, S_IRUGO, adt7316_show_in_temp, NULL, 0);
1244 static ssize_t adt7316_show_ex_temp_AIN1(struct device *dev,
1245 struct device_attribute *attr,
1248 struct iio_dev *dev_info = dev_get_drvdata(dev);
1249 struct adt7316_chip_info *chip = dev_info->dev_data;
1251 return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_EX, buf);
1254 static IIO_DEVICE_ATTR(ex_temp_AIN1, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0);
1255 static IIO_DEVICE_ATTR(ex_temp, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0);
1257 static ssize_t adt7316_show_AIN2(struct device *dev,
1258 struct device_attribute *attr,
1261 struct iio_dev *dev_info = dev_get_drvdata(dev);
1262 struct adt7316_chip_info *chip = dev_info->dev_data;
1264 return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN2, buf);
1266 static IIO_DEVICE_ATTR(AIN2, S_IRUGO, adt7316_show_AIN2, NULL, 0);
1268 static ssize_t adt7316_show_AIN3(struct device *dev,
1269 struct device_attribute *attr,
1272 struct iio_dev *dev_info = dev_get_drvdata(dev);
1273 struct adt7316_chip_info *chip = dev_info->dev_data;
1275 return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN3, buf);
1277 static IIO_DEVICE_ATTR(AIN3, S_IRUGO, adt7316_show_AIN3, NULL, 0);
1279 static ssize_t adt7316_show_AIN4(struct device *dev,
1280 struct device_attribute *attr,
1283 struct iio_dev *dev_info = dev_get_drvdata(dev);
1284 struct adt7316_chip_info *chip = dev_info->dev_data;
1286 return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN4, buf);
1288 static IIO_DEVICE_ATTR(AIN4, S_IRUGO, adt7316_show_AIN4, NULL, 0);
1290 static ssize_t adt7316_show_temp_offset(struct adt7316_chip_info *chip,
1291 int offset_addr, char *buf)
1297 ret = chip->bus.read(chip->bus.client, offset_addr, &val);
1305 return sprintf(buf, "%d\n", data);
1308 static ssize_t adt7316_store_temp_offset(struct adt7316_chip_info *chip,
1309 int offset_addr, const char *buf, size_t len)
1315 ret = strict_strtol(buf, 10, &data);
1316 if (ret || data > 127 || data < -128)
1324 ret = chip->bus.write(chip->bus.client, offset_addr, val);
1331 static ssize_t adt7316_show_in_temp_offset(struct device *dev,
1332 struct device_attribute *attr,
1335 struct iio_dev *dev_info = dev_get_drvdata(dev);
1336 struct adt7316_chip_info *chip = dev_info->dev_data;
1338 return adt7316_show_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf);
1341 static ssize_t adt7316_store_in_temp_offset(struct device *dev,
1342 struct device_attribute *attr,
1346 struct iio_dev *dev_info = dev_get_drvdata(dev);
1347 struct adt7316_chip_info *chip = dev_info->dev_data;
1349 return adt7316_store_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf, len);
1352 static IIO_DEVICE_ATTR(in_temp_offset, S_IRUGO | S_IWUSR,
1353 adt7316_show_in_temp_offset,
1354 adt7316_store_in_temp_offset, 0);
1356 static ssize_t adt7316_show_ex_temp_offset(struct device *dev,
1357 struct device_attribute *attr,
1360 struct iio_dev *dev_info = dev_get_drvdata(dev);
1361 struct adt7316_chip_info *chip = dev_info->dev_data;
1363 return adt7316_show_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf);
1366 static ssize_t adt7316_store_ex_temp_offset(struct device *dev,
1367 struct device_attribute *attr,
1371 struct iio_dev *dev_info = dev_get_drvdata(dev);
1372 struct adt7316_chip_info *chip = dev_info->dev_data;
1374 return adt7316_store_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf, len);
1377 static IIO_DEVICE_ATTR(ex_temp_offset, S_IRUGO | S_IWUSR,
1378 adt7316_show_ex_temp_offset,
1379 adt7316_store_ex_temp_offset, 0);
1381 static ssize_t adt7316_show_in_analog_temp_offset(struct device *dev,
1382 struct device_attribute *attr,
1385 struct iio_dev *dev_info = dev_get_drvdata(dev);
1386 struct adt7316_chip_info *chip = dev_info->dev_data;
1388 return adt7316_show_temp_offset(chip,
1389 ADT7316_IN_ANALOG_TEMP_OFFSET, buf);
1392 static ssize_t adt7316_store_in_analog_temp_offset(struct device *dev,
1393 struct device_attribute *attr,
1397 struct iio_dev *dev_info = dev_get_drvdata(dev);
1398 struct adt7316_chip_info *chip = dev_info->dev_data;
1400 return adt7316_store_temp_offset(chip,
1401 ADT7316_IN_ANALOG_TEMP_OFFSET, buf, len);
1404 static IIO_DEVICE_ATTR(in_analog_temp_offset, S_IRUGO | S_IWUSR,
1405 adt7316_show_in_analog_temp_offset,
1406 adt7316_store_in_analog_temp_offset, 0);
1408 static ssize_t adt7316_show_ex_analog_temp_offset(struct device *dev,
1409 struct device_attribute *attr,
1412 struct iio_dev *dev_info = dev_get_drvdata(dev);
1413 struct adt7316_chip_info *chip = dev_info->dev_data;
1415 return adt7316_show_temp_offset(chip,
1416 ADT7316_EX_ANALOG_TEMP_OFFSET, buf);
1419 static ssize_t adt7316_store_ex_analog_temp_offset(struct device *dev,
1420 struct device_attribute *attr,
1424 struct iio_dev *dev_info = dev_get_drvdata(dev);
1425 struct adt7316_chip_info *chip = dev_info->dev_data;
1427 return adt7316_store_temp_offset(chip,
1428 ADT7316_EX_ANALOG_TEMP_OFFSET, buf, len);
1431 static IIO_DEVICE_ATTR(ex_analog_temp_offset, S_IRUGO | S_IWUSR,
1432 adt7316_show_ex_analog_temp_offset,
1433 adt7316_store_ex_analog_temp_offset, 0);
1435 static ssize_t adt7316_show_DAC(struct adt7316_chip_info *chip,
1436 int channel, char *buf)
1439 u8 msb, lsb, offset;
1442 if (channel >= ADT7316_DA_MSB_DATA_REGS ||
1444 (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) ||
1446 (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)))
1449 offset = chip->dac_bits - 8;
1451 if (chip->dac_bits > 8) {
1452 ret = chip->bus.read(chip->bus.client,
1453 ADT7316_DA_DATA_BASE + channel * 2, &lsb);
1458 ret = chip->bus.read(chip->bus.client,
1459 ADT7316_DA_DATA_BASE + 1 + channel * 2, &msb);
1463 data = (msb << offset) + (lsb & ((1 << offset) - 1));
1465 return sprintf(buf, "%d\n", data);
1468 static ssize_t adt7316_store_DAC(struct adt7316_chip_info *chip,
1469 int channel, const char *buf, size_t len)
1471 u8 msb, lsb, offset;
1475 if (channel >= ADT7316_DA_MSB_DATA_REGS ||
1477 (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) ||
1479 (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)))
1482 offset = chip->dac_bits - 8;
1484 ret = strict_strtoul(buf, 10, &data);
1485 if (ret || data >= (1 << chip->dac_bits))
1488 if (chip->dac_bits > 8) {
1489 lsb = data & (1 << offset);
1490 ret = chip->bus.write(chip->bus.client,
1491 ADT7316_DA_DATA_BASE + channel * 2, lsb);
1496 msb = data >> offset;
1497 ret = chip->bus.write(chip->bus.client,
1498 ADT7316_DA_DATA_BASE + 1 + channel * 2, msb);
1505 static ssize_t adt7316_show_DAC_A(struct device *dev,
1506 struct device_attribute *attr,
1509 struct iio_dev *dev_info = dev_get_drvdata(dev);
1510 struct adt7316_chip_info *chip = dev_info->dev_data;
1512 return adt7316_show_DAC(chip, 0, buf);
1515 static ssize_t adt7316_store_DAC_A(struct device *dev,
1516 struct device_attribute *attr,
1520 struct iio_dev *dev_info = dev_get_drvdata(dev);
1521 struct adt7316_chip_info *chip = dev_info->dev_data;
1523 return adt7316_store_DAC(chip, 0, buf, len);
1526 static IIO_DEVICE_ATTR(DAC_A, S_IRUGO | S_IWUSR, adt7316_show_DAC_A,
1527 adt7316_store_DAC_A, 0);
1529 static ssize_t adt7316_show_DAC_B(struct device *dev,
1530 struct device_attribute *attr,
1533 struct iio_dev *dev_info = dev_get_drvdata(dev);
1534 struct adt7316_chip_info *chip = dev_info->dev_data;
1536 return adt7316_show_DAC(chip, 1, buf);
1539 static ssize_t adt7316_store_DAC_B(struct device *dev,
1540 struct device_attribute *attr,
1544 struct iio_dev *dev_info = dev_get_drvdata(dev);
1545 struct adt7316_chip_info *chip = dev_info->dev_data;
1547 return adt7316_store_DAC(chip, 1, buf, len);
1550 static IIO_DEVICE_ATTR(DAC_B, S_IRUGO | S_IWUSR, adt7316_show_DAC_B,
1551 adt7316_store_DAC_B, 0);
1553 static ssize_t adt7316_show_DAC_C(struct device *dev,
1554 struct device_attribute *attr,
1557 struct iio_dev *dev_info = dev_get_drvdata(dev);
1558 struct adt7316_chip_info *chip = dev_info->dev_data;
1560 return adt7316_show_DAC(chip, 2, buf);
1563 static ssize_t adt7316_store_DAC_C(struct device *dev,
1564 struct device_attribute *attr,
1568 struct iio_dev *dev_info = dev_get_drvdata(dev);
1569 struct adt7316_chip_info *chip = dev_info->dev_data;
1571 return adt7316_store_DAC(chip, 2, buf, len);
1574 static IIO_DEVICE_ATTR(DAC_C, S_IRUGO | S_IWUSR, adt7316_show_DAC_C,
1575 adt7316_store_DAC_C, 0);
1577 static ssize_t adt7316_show_DAC_D(struct device *dev,
1578 struct device_attribute *attr,
1581 struct iio_dev *dev_info = dev_get_drvdata(dev);
1582 struct adt7316_chip_info *chip = dev_info->dev_data;
1584 return adt7316_show_DAC(chip, 3, buf);
1587 static ssize_t adt7316_store_DAC_D(struct device *dev,
1588 struct device_attribute *attr,
1592 struct iio_dev *dev_info = dev_get_drvdata(dev);
1593 struct adt7316_chip_info *chip = dev_info->dev_data;
1595 return adt7316_store_DAC(chip, 3, buf, len);
1598 static IIO_DEVICE_ATTR(DAC_D, S_IRUGO | S_IWUSR, adt7316_show_DAC_D,
1599 adt7316_store_DAC_D, 0);
1601 static ssize_t adt7316_show_device_id(struct device *dev,
1602 struct device_attribute *attr,
1605 struct iio_dev *dev_info = dev_get_drvdata(dev);
1606 struct adt7316_chip_info *chip = dev_info->dev_data;
1610 ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_ID, &id);
1614 return sprintf(buf, "%d\n", id);
1617 static IIO_DEVICE_ATTR(device_id, S_IRUGO, adt7316_show_device_id, NULL, 0);
1619 static ssize_t adt7316_show_manufactorer_id(struct device *dev,
1620 struct device_attribute *attr,
1623 struct iio_dev *dev_info = dev_get_drvdata(dev);
1624 struct adt7316_chip_info *chip = dev_info->dev_data;
1628 ret = chip->bus.read(chip->bus.client, ADT7316_MANUFACTURE_ID, &id);
1632 return sprintf(buf, "%d\n", id);
1635 static IIO_DEVICE_ATTR(manufactorer_id, S_IRUGO,
1636 adt7316_show_manufactorer_id, NULL, 0);
1638 static ssize_t adt7316_show_device_rev(struct device *dev,
1639 struct device_attribute *attr,
1642 struct iio_dev *dev_info = dev_get_drvdata(dev);
1643 struct adt7316_chip_info *chip = dev_info->dev_data;
1647 ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_REV, &rev);
1651 return sprintf(buf, "%d\n", rev);
1654 static IIO_DEVICE_ATTR(device_rev, S_IRUGO, adt7316_show_device_rev, NULL, 0);
1656 static ssize_t adt7316_show_bus_type(struct device *dev,
1657 struct device_attribute *attr,
1660 struct iio_dev *dev_info = dev_get_drvdata(dev);
1661 struct adt7316_chip_info *chip = dev_info->dev_data;
1665 ret = chip->bus.read(chip->bus.client, ADT7316_SPI_LOCK_STAT, &stat);
1670 return sprintf(buf, "spi\n");
1672 return sprintf(buf, "i2c\n");
1675 static IIO_DEVICE_ATTR(bus_type, S_IRUGO, adt7316_show_bus_type, NULL, 0);
1677 static ssize_t adt7316_show_name(struct device *dev,
1678 struct device_attribute *attr,
1681 struct iio_dev *dev_info = dev_get_drvdata(dev);
1682 struct adt7316_chip_info *chip = dev_info->dev_data;
1684 return sprintf(buf, "%s\n", chip->name);
1687 static IIO_DEVICE_ATTR(name, S_IRUGO, adt7316_show_name, NULL, 0);
1689 static struct attribute *adt7316_attributes[] = {
1690 &iio_dev_attr_all_modes.dev_attr.attr,
1691 &iio_dev_attr_mode.dev_attr.attr,
1692 &iio_dev_attr_reset.dev_attr.attr,
1693 &iio_dev_attr_enabled.dev_attr.attr,
1694 &iio_dev_attr_ad_channel.dev_attr.attr,
1695 &iio_dev_attr_all_ad_channels.dev_attr.attr,
1696 &iio_dev_attr_disable_averaging.dev_attr.attr,
1697 &iio_dev_attr_enable_smbus_timeout.dev_attr.attr,
1698 &iio_dev_attr_powerdown.dev_attr.attr,
1699 &iio_dev_attr_fast_ad_clock.dev_attr.attr,
1700 &iio_dev_attr_da_high_resolution.dev_attr.attr,
1701 &iio_dev_attr_enable_proportion_DACA.dev_attr.attr,
1702 &iio_dev_attr_enable_proportion_DACB.dev_attr.attr,
1703 &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr,
1704 &iio_dev_attr_DAC_update_mode.dev_attr.attr,
1705 &iio_dev_attr_all_DAC_update_modes.dev_attr.attr,
1706 &iio_dev_attr_update_DAC.dev_attr.attr,
1707 &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr,
1708 &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr,
1709 &iio_dev_attr_DAC_internal_Vref.dev_attr.attr,
1710 &iio_dev_attr_VDD.dev_attr.attr,
1711 &iio_dev_attr_in_temp.dev_attr.attr,
1712 &iio_dev_attr_ex_temp.dev_attr.attr,
1713 &iio_dev_attr_in_temp_offset.dev_attr.attr,
1714 &iio_dev_attr_ex_temp_offset.dev_attr.attr,
1715 &iio_dev_attr_in_analog_temp_offset.dev_attr.attr,
1716 &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr,
1717 &iio_dev_attr_DAC_A.dev_attr.attr,
1718 &iio_dev_attr_DAC_B.dev_attr.attr,
1719 &iio_dev_attr_DAC_C.dev_attr.attr,
1720 &iio_dev_attr_DAC_D.dev_attr.attr,
1721 &iio_dev_attr_device_id.dev_attr.attr,
1722 &iio_dev_attr_manufactorer_id.dev_attr.attr,
1723 &iio_dev_attr_device_rev.dev_attr.attr,
1724 &iio_dev_attr_bus_type.dev_attr.attr,
1725 &iio_dev_attr_name.dev_attr.attr,
1729 static const struct attribute_group adt7316_attribute_group = {
1730 .attrs = adt7316_attributes,
1733 static struct attribute *adt7516_attributes[] = {
1734 &iio_dev_attr_all_modes.dev_attr.attr,
1735 &iio_dev_attr_mode.dev_attr.attr,
1736 &iio_dev_attr_select_ex_temp.dev_attr.attr,
1737 &iio_dev_attr_reset.dev_attr.attr,
1738 &iio_dev_attr_enabled.dev_attr.attr,
1739 &iio_dev_attr_ad_channel.dev_attr.attr,
1740 &iio_dev_attr_all_ad_channels.dev_attr.attr,
1741 &iio_dev_attr_disable_averaging.dev_attr.attr,
1742 &iio_dev_attr_enable_smbus_timeout.dev_attr.attr,
1743 &iio_dev_attr_powerdown.dev_attr.attr,
1744 &iio_dev_attr_fast_ad_clock.dev_attr.attr,
1745 &iio_dev_attr_AIN_internal_Vref.dev_attr.attr,
1746 &iio_dev_attr_da_high_resolution.dev_attr.attr,
1747 &iio_dev_attr_enable_proportion_DACA.dev_attr.attr,
1748 &iio_dev_attr_enable_proportion_DACB.dev_attr.attr,
1749 &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr,
1750 &iio_dev_attr_DAC_update_mode.dev_attr.attr,
1751 &iio_dev_attr_all_DAC_update_modes.dev_attr.attr,
1752 &iio_dev_attr_update_DAC.dev_attr.attr,
1753 &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr,
1754 &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr,
1755 &iio_dev_attr_DAC_internal_Vref.dev_attr.attr,
1756 &iio_dev_attr_VDD.dev_attr.attr,
1757 &iio_dev_attr_in_temp.dev_attr.attr,
1758 &iio_dev_attr_ex_temp_AIN1.dev_attr.attr,
1759 &iio_dev_attr_AIN2.dev_attr.attr,
1760 &iio_dev_attr_AIN3.dev_attr.attr,
1761 &iio_dev_attr_AIN4.dev_attr.attr,
1762 &iio_dev_attr_in_temp_offset.dev_attr.attr,
1763 &iio_dev_attr_ex_temp_offset.dev_attr.attr,
1764 &iio_dev_attr_in_analog_temp_offset.dev_attr.attr,
1765 &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr,
1766 &iio_dev_attr_DAC_A.dev_attr.attr,
1767 &iio_dev_attr_DAC_B.dev_attr.attr,
1768 &iio_dev_attr_DAC_C.dev_attr.attr,
1769 &iio_dev_attr_DAC_D.dev_attr.attr,
1770 &iio_dev_attr_device_id.dev_attr.attr,
1771 &iio_dev_attr_manufactorer_id.dev_attr.attr,
1772 &iio_dev_attr_device_rev.dev_attr.attr,
1773 &iio_dev_attr_bus_type.dev_attr.attr,
1774 &iio_dev_attr_name.dev_attr.attr,
1778 static const struct attribute_group adt7516_attribute_group = {
1779 .attrs = adt7516_attributes,
1784 * temperature bound events
1787 #define IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH IIO_BUFFER_EVENT_CODE(0)
1788 #define IIO_EVENT_CODE_ADT7316_IN_TEMP_LOW IIO_BUFFER_EVENT_CODE(1)
1789 #define IIO_EVENT_CODE_ADT7316_EX_TEMP_HIGH IIO_BUFFER_EVENT_CODE(2)
1790 #define IIO_EVENT_CODE_ADT7316_EX_TEMP_LOW IIO_BUFFER_EVENT_CODE(3)
1791 #define IIO_EVENT_CODE_ADT7316_EX_TEMP_FAULT IIO_BUFFER_EVENT_CODE(4)
1792 #define IIO_EVENT_CODE_ADT7516_AIN1 IIO_BUFFER_EVENT_CODE(5)
1793 #define IIO_EVENT_CODE_ADT7516_AIN2 IIO_BUFFER_EVENT_CODE(6)
1794 #define IIO_EVENT_CODE_ADT7516_AIN3 IIO_BUFFER_EVENT_CODE(7)
1795 #define IIO_EVENT_CODE_ADT7516_AIN4 IIO_BUFFER_EVENT_CODE(8)
1796 #define IIO_EVENT_CODE_ADT7316_VDD IIO_BUFFER_EVENT_CODE(9)
1798 static void adt7316_interrupt_bh(struct work_struct *work_s)
1800 struct adt7316_chip_info *chip =
1801 container_of(work_s, struct adt7316_chip_info, thresh_work);
1805 ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT1, &stat1);
1807 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
1812 for (i = 0; i < count; i++) {
1813 if (stat1 & (1 << i))
1814 iio_push_event(chip->indio_dev, 0,
1815 IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH + i,
1816 chip->last_timestamp);
1820 ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT2, &stat2);
1822 if (stat2 & ADT7316_INT_MASK2_VDD)
1823 iio_push_event(chip->indio_dev, 0,
1824 IIO_EVENT_CODE_ADT7316_VDD,
1825 chip->last_timestamp);
1828 enable_irq(chip->bus.irq);
1831 static int adt7316_interrupt(struct iio_dev *dev_info,
1836 struct adt7316_chip_info *chip = dev_info->dev_data;
1838 chip->last_timestamp = timestamp;
1839 schedule_work(&chip->thresh_work);
1844 IIO_EVENT_SH(adt7316, &adt7316_interrupt);
1847 * Show mask of enabled interrupts in Hex.
1849 static ssize_t adt7316_show_int_mask(struct device *dev,
1850 struct device_attribute *attr,
1853 struct iio_dev *dev_info = dev_get_drvdata(dev);
1854 struct adt7316_chip_info *chip = dev_info->dev_data;
1856 return sprintf(buf, "0x%x\n", chip->int_mask);
1860 * Set 1 to the mask in Hex to enabled interrupts.
1862 static ssize_t adt7316_set_int_mask(struct device *dev,
1863 struct device_attribute *attr,
1867 struct iio_dev *dev_info = dev_get_drvdata(dev);
1868 struct adt7316_chip_info *chip = dev_info->dev_data;
1873 ret = strict_strtoul(buf, 16, &data);
1874 if (ret || data >= ADT7316_VDD_INT_MASK + 1)
1877 if (data & ADT7316_VDD_INT_MASK)
1878 mask = 0; /* enable vdd int */
1880 mask = ADT7316_INT_MASK2_VDD; /* disable vdd int */
1882 ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK2, mask);
1884 chip->int_mask &= ~ADT7316_VDD_INT_MASK;
1885 chip->int_mask |= data & ADT7316_VDD_INT_MASK;
1888 if (data & ADT7316_TEMP_AIN_INT_MASK) {
1889 if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX)
1890 /* mask in reg is opposite, set 1 to disable */
1891 mask = (~data) & ADT7316_TEMP_INT_MASK;
1893 /* mask in reg is opposite, set 1 to disable */
1894 mask = (~data) & ADT7316_TEMP_AIN_INT_MASK;
1896 ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK1, mask);
1898 chip->int_mask = mask;
1902 static inline ssize_t adt7316_show_ad_bound(struct device *dev,
1903 struct device_attribute *attr,
1907 struct iio_dev *dev_info = dev_get_drvdata(dev);
1908 struct adt7316_chip_info *chip = dev_info->dev_data;
1913 if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX &&
1914 bound_reg > ADT7316_EX_TEMP_LOW)
1917 ret = chip->bus.read(chip->bus.client, bound_reg, &val);
1923 if (!((chip->id & ID_FAMILY_MASK) == ID_ADT75XX &&
1924 (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)) {
1929 return sprintf(buf, "%d\n", data);
1932 static inline ssize_t adt7316_set_ad_bound(struct device *dev,
1933 struct device_attribute *attr,
1938 struct iio_dev *dev_info = dev_get_drvdata(dev);
1939 struct adt7316_chip_info *chip = dev_info->dev_data;
1944 if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX &&
1945 bound_reg > ADT7316_EX_TEMP_LOW)
1948 ret = strict_strtol(buf, 10, &data);
1952 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX &&
1953 (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) {
1954 if (data > 255 || data < 0)
1957 if (data > 127 || data < -128)
1966 ret = chip->bus.write(chip->bus.client, bound_reg, val);
1973 static ssize_t adt7316_show_in_temp_high(struct device *dev,
1974 struct device_attribute *attr,
1977 return adt7316_show_ad_bound(dev, attr,
1978 ADT7316_IN_TEMP_HIGH, buf);
1981 static inline ssize_t adt7316_set_in_temp_high(struct device *dev,
1982 struct device_attribute *attr,
1986 return adt7316_set_ad_bound(dev, attr,
1987 ADT7316_IN_TEMP_HIGH, buf, len);
1990 static ssize_t adt7316_show_in_temp_low(struct device *dev,
1991 struct device_attribute *attr,
1994 return adt7316_show_ad_bound(dev, attr,
1995 ADT7316_IN_TEMP_LOW, buf);
1998 static inline ssize_t adt7316_set_in_temp_low(struct device *dev,
1999 struct device_attribute *attr,
2003 return adt7316_set_ad_bound(dev, attr,
2004 ADT7316_IN_TEMP_LOW, buf, len);
2007 static ssize_t adt7316_show_ex_temp_ain1_high(struct device *dev,
2008 struct device_attribute *attr,
2011 return adt7316_show_ad_bound(dev, attr,
2012 ADT7316_EX_TEMP_HIGH, buf);
2015 static inline ssize_t adt7316_set_ex_temp_ain1_high(struct device *dev,
2016 struct device_attribute *attr,
2020 return adt7316_set_ad_bound(dev, attr,
2021 ADT7316_EX_TEMP_HIGH, buf, len);
2024 static ssize_t adt7316_show_ex_temp_ain1_low(struct device *dev,
2025 struct device_attribute *attr,
2028 return adt7316_show_ad_bound(dev, attr,
2029 ADT7316_EX_TEMP_LOW, buf);
2032 static inline ssize_t adt7316_set_ex_temp_ain1_low(struct device *dev,
2033 struct device_attribute *attr,
2037 return adt7316_set_ad_bound(dev, attr,
2038 ADT7316_EX_TEMP_LOW, buf, len);
2041 static ssize_t adt7316_show_ain2_high(struct device *dev,
2042 struct device_attribute *attr,
2045 return adt7316_show_ad_bound(dev, attr,
2046 ADT7516_AIN2_HIGH, buf);
2049 static inline ssize_t adt7316_set_ain2_high(struct device *dev,
2050 struct device_attribute *attr,
2054 return adt7316_set_ad_bound(dev, attr,
2055 ADT7516_AIN2_HIGH, buf, len);
2058 static ssize_t adt7316_show_ain2_low(struct device *dev,
2059 struct device_attribute *attr,
2062 return adt7316_show_ad_bound(dev, attr,
2063 ADT7516_AIN2_LOW, buf);
2066 static inline ssize_t adt7316_set_ain2_low(struct device *dev,
2067 struct device_attribute *attr,
2071 return adt7316_set_ad_bound(dev, attr,
2072 ADT7516_AIN2_LOW, buf, len);
2075 static ssize_t adt7316_show_ain3_high(struct device *dev,
2076 struct device_attribute *attr,
2079 return adt7316_show_ad_bound(dev, attr,
2080 ADT7516_AIN3_HIGH, buf);
2083 static inline ssize_t adt7316_set_ain3_high(struct device *dev,
2084 struct device_attribute *attr,
2088 return adt7316_set_ad_bound(dev, attr,
2089 ADT7516_AIN3_HIGH, buf, len);
2092 static ssize_t adt7316_show_ain3_low(struct device *dev,
2093 struct device_attribute *attr,
2096 return adt7316_show_ad_bound(dev, attr,
2097 ADT7516_AIN3_LOW, buf);
2100 static inline ssize_t adt7316_set_ain3_low(struct device *dev,
2101 struct device_attribute *attr,
2105 return adt7316_set_ad_bound(dev, attr,
2106 ADT7516_AIN3_LOW, buf, len);
2109 static ssize_t adt7316_show_ain4_high(struct device *dev,
2110 struct device_attribute *attr,
2113 return adt7316_show_ad_bound(dev, attr,
2114 ADT7516_AIN4_HIGH, buf);
2117 static inline ssize_t adt7316_set_ain4_high(struct device *dev,
2118 struct device_attribute *attr,
2122 return adt7316_set_ad_bound(dev, attr,
2123 ADT7516_AIN4_HIGH, buf, len);
2126 static ssize_t adt7316_show_ain4_low(struct device *dev,
2127 struct device_attribute *attr,
2130 return adt7316_show_ad_bound(dev, attr,
2131 ADT7516_AIN4_LOW, buf);
2134 static inline ssize_t adt7316_set_ain4_low(struct device *dev,
2135 struct device_attribute *attr,
2139 return adt7316_set_ad_bound(dev, attr,
2140 ADT7516_AIN4_LOW, buf, len);
2143 static ssize_t adt7316_show_int_enabled(struct device *dev,
2144 struct device_attribute *attr,
2147 struct iio_dev *dev_info = dev_get_drvdata(dev);
2148 struct adt7316_chip_info *chip = dev_info->dev_data;
2150 return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_INT_EN));
2153 static ssize_t adt7316_set_int_enabled(struct device *dev,
2154 struct device_attribute *attr,
2158 struct iio_dev *dev_info = dev_get_drvdata(dev);
2159 struct adt7316_chip_info *chip = dev_info->dev_data;
2163 config1 = chip->config1 & (~ADT7316_INT_EN);
2164 if (!memcmp(buf, "1", 1))
2165 config1 |= ADT7316_INT_EN;
2167 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
2171 chip->config1 = config1;
2177 IIO_EVENT_ATTR_SH(int_mask, iio_event_adt7316,
2178 adt7316_show_int_mask, adt7316_set_int_mask, 0);
2179 IIO_EVENT_ATTR_SH(in_temp_high, iio_event_adt7316,
2180 adt7316_show_in_temp_high, adt7316_set_in_temp_high, 0);
2181 IIO_EVENT_ATTR_SH(in_temp_low, iio_event_adt7316,
2182 adt7316_show_in_temp_low, adt7316_set_in_temp_low, 0);
2183 IIO_EVENT_ATTR_SH(ex_temp_high, iio_event_adt7316,
2184 adt7316_show_ex_temp_ain1_high,
2185 adt7316_set_ex_temp_ain1_high, 0);
2186 IIO_EVENT_ATTR_SH(ex_temp_low, iio_event_adt7316,
2187 adt7316_show_ex_temp_ain1_low,
2188 adt7316_set_ex_temp_ain1_low, 0);
2189 IIO_EVENT_ATTR_SH(ex_temp_ain1_high, iio_event_adt7316,
2190 adt7316_show_ex_temp_ain1_high,
2191 adt7316_set_ex_temp_ain1_high, 0);
2192 IIO_EVENT_ATTR_SH(ex_temp_ain1_low, iio_event_adt7316,
2193 adt7316_show_ex_temp_ain1_low,
2194 adt7316_set_ex_temp_ain1_low, 0);
2195 IIO_EVENT_ATTR_SH(ain2_high, iio_event_adt7316,
2196 adt7316_show_ain2_high, adt7316_set_ain2_high, 0);
2197 IIO_EVENT_ATTR_SH(ain2_low, iio_event_adt7316,
2198 adt7316_show_ain2_low, adt7316_set_ain2_low, 0);
2199 IIO_EVENT_ATTR_SH(ain3_high, iio_event_adt7316,
2200 adt7316_show_ain3_high, adt7316_set_ain3_high, 0);
2201 IIO_EVENT_ATTR_SH(ain3_low, iio_event_adt7316,
2202 adt7316_show_ain3_low, adt7316_set_ain3_low, 0);
2203 IIO_EVENT_ATTR_SH(ain4_high, iio_event_adt7316,
2204 adt7316_show_ain4_high, adt7316_set_ain4_high, 0);
2205 IIO_EVENT_ATTR_SH(ain4_low, iio_event_adt7316,
2206 adt7316_show_ain4_low, adt7316_set_ain4_low, 0);
2207 IIO_EVENT_ATTR_SH(int_enabled, iio_event_adt7316,
2208 adt7316_show_int_enabled, adt7316_set_int_enabled, 0);
2210 static struct attribute *adt7316_event_attributes[] = {
2211 &iio_event_attr_int_mask.dev_attr.attr,
2212 &iio_event_attr_in_temp_high.dev_attr.attr,
2213 &iio_event_attr_in_temp_low.dev_attr.attr,
2214 &iio_event_attr_ex_temp_high.dev_attr.attr,
2215 &iio_event_attr_ex_temp_low.dev_attr.attr,
2216 &iio_event_attr_int_enabled.dev_attr.attr,
2220 static struct attribute_group adt7316_event_attribute_group = {
2221 .attrs = adt7316_event_attributes,
2224 static struct attribute *adt7516_event_attributes[] = {
2225 &iio_event_attr_int_mask.dev_attr.attr,
2226 &iio_event_attr_in_temp_high.dev_attr.attr,
2227 &iio_event_attr_in_temp_low.dev_attr.attr,
2228 &iio_event_attr_ex_temp_ain1_high.dev_attr.attr,
2229 &iio_event_attr_ex_temp_ain1_low.dev_attr.attr,
2230 &iio_event_attr_ain2_high.dev_attr.attr,
2231 &iio_event_attr_ain2_low.dev_attr.attr,
2232 &iio_event_attr_ain3_high.dev_attr.attr,
2233 &iio_event_attr_ain3_low.dev_attr.attr,
2234 &iio_event_attr_ain4_high.dev_attr.attr,
2235 &iio_event_attr_ain4_low.dev_attr.attr,
2236 &iio_event_attr_int_enabled.dev_attr.attr,
2240 static struct attribute_group adt7516_event_attribute_group = {
2241 .attrs = adt7516_event_attributes,
2245 int adt7316_disable(struct device *dev)
2247 struct iio_dev *dev_info = dev_get_drvdata(dev);
2248 struct adt7316_chip_info *chip = dev_info->dev_data;
2250 return _adt7316_store_enabled(chip, 0);
2252 EXPORT_SYMBOL(adt7316_disable);
2254 int adt7316_enable(struct device *dev)
2256 struct iio_dev *dev_info = dev_get_drvdata(dev);
2257 struct adt7316_chip_info *chip = dev_info->dev_data;
2259 return _adt7316_store_enabled(chip, 1);
2261 EXPORT_SYMBOL(adt7316_enable);
2265 * device probe and remove
2267 int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus,
2270 struct adt7316_chip_info *chip;
2271 unsigned short *adt7316_platform_data = dev->platform_data;
2274 chip = kzalloc(sizeof(struct adt7316_chip_info), GFP_KERNEL);
2279 /* this is only used for device removal purposes */
2280 dev_set_drvdata(dev, chip);
2286 chip->id = ID_ADT7316 + (name[6] - '6');
2287 else if (name[4] == '5')
2288 chip->id = ID_ADT7516 + (name[6] - '6');
2292 chip->ldac_pin = adt7316_platform_data[1];
2293 if (chip->ldac_pin) {
2294 chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDCA;
2295 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
2296 chip->config1 |= ADT7516_SEL_AIN3;
2298 chip->int_mask = ADT7316_TEMP_INT_MASK | ADT7316_VDD_INT_MASK;
2299 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
2300 chip->int_mask |= ADT7516_AIN_INT_MASK;
2302 chip->indio_dev = iio_allocate_device();
2303 if (chip->indio_dev == NULL) {
2305 goto error_free_chip;
2308 chip->indio_dev->dev.parent = dev;
2309 if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) {
2310 chip->indio_dev->attrs = &adt7516_attribute_group;
2311 chip->indio_dev->event_attrs = &adt7516_event_attribute_group;
2313 chip->indio_dev->attrs = &adt7316_attribute_group;
2314 chip->indio_dev->event_attrs = &adt7316_event_attribute_group;
2316 chip->indio_dev->dev_data = (void *)chip;
2317 chip->indio_dev->driver_module = THIS_MODULE;
2318 chip->indio_dev->num_interrupt_lines = 1;
2319 chip->indio_dev->modes = INDIO_DIRECT_MODE;
2321 ret = iio_device_register(chip->indio_dev);
2323 goto error_free_dev;
2325 if (chip->bus.irq > 0) {
2326 if (adt7316_platform_data[0])
2327 chip->bus.irq_flags = adt7316_platform_data[0];
2329 ret = iio_register_interrupt_line(chip->bus.irq,
2332 chip->bus.irq_flags,
2335 goto error_unreg_dev;
2338 * The event handler list element refer to iio_event_adt7316.
2339 * All event attributes bind to the same event handler.
2340 * So, only register event handler once.
2342 iio_add_event_to_list(&iio_event_adt7316,
2343 &chip->indio_dev->interrupts[0]->ev_list);
2345 INIT_WORK(&chip->thresh_work, adt7316_interrupt_bh);
2347 if (chip->bus.irq_flags & IRQF_TRIGGER_HIGH)
2348 chip->config1 |= ADT7316_INT_POLARITY;
2351 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, chip->config1);
2354 goto error_unreg_irq;
2357 ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, chip->config3);
2360 goto error_unreg_irq;
2363 dev_info(dev, "%s temperature sensor, ADC and DAC registered.\n",
2369 iio_unregister_interrupt_line(chip->indio_dev, 0);
2371 iio_device_unregister(chip->indio_dev);
2373 iio_free_device(chip->indio_dev);
2379 EXPORT_SYMBOL(adt7316_probe);
2381 int __devexit adt7316_remove(struct device *dev)
2384 struct iio_dev *dev_info = dev_get_drvdata(dev);
2385 struct adt7316_chip_info *chip = dev_info->dev_data;
2386 struct iio_dev *indio_dev = chip->indio_dev;
2388 dev_set_drvdata(dev, NULL);
2390 iio_unregister_interrupt_line(indio_dev, 0);
2391 iio_device_unregister(indio_dev);
2392 iio_free_device(chip->indio_dev);
2397 EXPORT_SYMBOL(adt7316_remove);
2399 MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>");
2400 MODULE_DESCRIPTION("Analog Devices ADT7316/7/8 and ADT7516/7/9 digital"
2401 " temperature sensor, ADC and DAC driver");
2402 MODULE_LICENSE("GPL v2");