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35f6b6b8 SZ |
1 | /* |
2 | * ADT7316 digital temperature sensor driver supporting ADT7316/7/8 ADT7516/7/9 | |
3 | * | |
4 | * | |
5 | * Copyright 2010 Analog Devices Inc. | |
6 | * | |
7 | * Licensed under the GPL-2 or later. | |
8 | */ | |
9 | ||
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> | |
20 | ||
21 | #include "../iio.h" | |
22 | #include "../sysfs.h" | |
23 | #include "adt7316.h" | |
24 | ||
25 | /* | |
26 | * ADT7316 registers definition | |
27 | */ | |
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 | |
84 | ||
85 | /* | |
86 | * ADT7316 config1 | |
87 | */ | |
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 | |
95 | ||
96 | /* | |
97 | * ADT7316 config2 | |
98 | */ | |
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 | |
112 | ||
113 | /* | |
114 | * ADT7316 config3 | |
115 | */ | |
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 | |
122 | ||
123 | /* | |
124 | * ADT7316 DAC config | |
125 | */ | |
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 | |
134 | ||
135 | /* | |
136 | * ADT7316 LDAC config | |
137 | */ | |
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 | |
144 | ||
145 | /* | |
146 | * ADT7316 INT_MASK2 | |
147 | */ | |
148 | #define ADT7316_INT_MASK2_VDD 0x10 | |
149 | ||
150 | /* | |
151 | * ADT7316 value masks | |
152 | */ | |
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 | |
157 | ||
158 | /* | |
159 | * Chip ID | |
160 | */ | |
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 | |
167 | ||
168 | #define ID_FAMILY_MASK 0xF0 | |
169 | #define ID_ADT73XX 0x0 | |
170 | #define ID_ADT75XX 0x10 | |
171 | ||
172 | /* | |
173 | * struct adt7316_chip_info - chip specifc information | |
174 | */ | |
175 | ||
176 | struct adt7316_chip_info { | |
35f6b6b8 | 177 | struct iio_dev *indio_dev; |
35f6b6b8 SZ |
178 | struct adt7316_bus bus; |
179 | u16 ldac_pin; | |
180 | u16 int_mask; /* 0x2f */ | |
181 | u8 config1; | |
182 | u8 config2; | |
183 | u8 config3; | |
184 | u8 dac_config; /* DAC config */ | |
185 | u8 ldac_config; /* LDAC config */ | |
186 | u8 dac_bits; /* 8, 10, 12 */ | |
187 | u8 id; /* chip id */ | |
188 | }; | |
189 | ||
190 | /* | |
191 | * Logic interrupt mask for user application to enable | |
192 | * interrupts. | |
193 | */ | |
194 | #define ADT7316_IN_TEMP_HIGH_INT_MASK 0x1 | |
195 | #define ADT7316_IN_TEMP_LOW_INT_MASK 0x2 | |
196 | #define ADT7316_EX_TEMP_HIGH_INT_MASK 0x4 | |
197 | #define ADT7316_EX_TEMP_LOW_INT_MASK 0x8 | |
198 | #define ADT7316_EX_TEMP_FAULT_INT_MASK 0x10 | |
199 | #define ADT7516_AIN1_INT_MASK 0x4 | |
200 | #define ADT7516_AIN2_INT_MASK 0x20 | |
201 | #define ADT7516_AIN3_INT_MASK 0x40 | |
202 | #define ADT7516_AIN4_INT_MASK 0x80 | |
203 | #define ADT7316_VDD_INT_MASK 0x100 | |
204 | #define ADT7316_TEMP_INT_MASK 0x1F | |
205 | #define ADT7516_AIN_INT_MASK 0xE0 | |
206 | #define ADT7316_TEMP_AIN_INT_MASK \ | |
207 | (ADT7316_TEMP_INT_MASK | ADT7316_TEMP_INT_MASK) | |
208 | ||
209 | /* | |
210 | * struct adt7316_chip_info - chip specifc information | |
211 | */ | |
212 | ||
213 | struct adt7316_limit_regs { | |
214 | u16 data_high; | |
215 | u16 data_low; | |
216 | }; | |
217 | ||
218 | static ssize_t adt7316_show_enabled(struct device *dev, | |
219 | struct device_attribute *attr, | |
220 | char *buf) | |
221 | { | |
222 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
223 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
224 | ||
225 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_EN)); | |
226 | } | |
227 | ||
228 | static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip, | |
229 | int enable) | |
230 | { | |
231 | u8 config1; | |
232 | int ret; | |
233 | ||
234 | if (enable) | |
235 | config1 = chip->config1 | ADT7316_EN; | |
236 | else | |
237 | config1 = chip->config1 & ~ADT7316_EN; | |
238 | ||
239 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); | |
240 | if (ret) | |
241 | return -EIO; | |
242 | ||
243 | chip->config1 = config1; | |
244 | ||
245 | return ret; | |
246 | ||
247 | } | |
248 | ||
249 | static ssize_t adt7316_store_enabled(struct device *dev, | |
250 | struct device_attribute *attr, | |
251 | const char *buf, | |
252 | size_t len) | |
253 | { | |
254 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
255 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
256 | int enable; | |
257 | ||
258 | if (!memcmp(buf, "1", 1)) | |
259 | enable = 1; | |
260 | else | |
261 | enable = 0; | |
262 | ||
263 | if (_adt7316_store_enabled(chip, enable) < 0) | |
264 | return -EIO; | |
265 | else | |
266 | return len; | |
267 | } | |
268 | ||
269 | static IIO_DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, | |
270 | adt7316_show_enabled, | |
271 | adt7316_store_enabled, | |
272 | 0); | |
273 | ||
274 | static ssize_t adt7316_show_select_ex_temp(struct device *dev, | |
275 | struct device_attribute *attr, | |
276 | char *buf) | |
277 | { | |
278 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
279 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
280 | ||
281 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) | |
282 | return -EPERM; | |
283 | ||
284 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7516_SEL_EX_TEMP)); | |
285 | } | |
286 | ||
287 | static ssize_t adt7316_store_select_ex_temp(struct device *dev, | |
288 | struct device_attribute *attr, | |
289 | const char *buf, | |
290 | size_t len) | |
291 | { | |
292 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
293 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
294 | u8 config1; | |
295 | int ret; | |
296 | ||
297 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) | |
298 | return -EPERM; | |
299 | ||
300 | config1 = chip->config1 & (~ADT7516_SEL_EX_TEMP); | |
301 | if (!memcmp(buf, "1", 1)) | |
302 | config1 |= ADT7516_SEL_EX_TEMP; | |
303 | ||
304 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); | |
305 | if (ret) | |
306 | return -EIO; | |
307 | ||
308 | chip->config1 = config1; | |
309 | ||
310 | return len; | |
311 | } | |
312 | ||
313 | static IIO_DEVICE_ATTR(select_ex_temp, S_IRUGO | S_IWUSR, | |
314 | adt7316_show_select_ex_temp, | |
315 | adt7316_store_select_ex_temp, | |
316 | 0); | |
317 | ||
318 | static ssize_t adt7316_show_mode(struct device *dev, | |
319 | struct device_attribute *attr, | |
320 | char *buf) | |
321 | { | |
322 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
323 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
324 | ||
325 | if (chip->config2 & ADT7316_AD_SINGLE_CH_MODE) | |
326 | return sprintf(buf, "single_channel\n"); | |
327 | else | |
328 | return sprintf(buf, "round_robin\n"); | |
329 | } | |
330 | ||
331 | static ssize_t adt7316_store_mode(struct device *dev, | |
332 | struct device_attribute *attr, | |
333 | const char *buf, | |
334 | size_t len) | |
335 | { | |
336 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
337 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
338 | u8 config2; | |
339 | int ret; | |
340 | ||
341 | config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MODE); | |
342 | if (!memcmp(buf, "single_channel", 14)) | |
343 | config2 |= ADT7316_AD_SINGLE_CH_MODE; | |
344 | ||
345 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); | |
346 | if (ret) | |
347 | return -EIO; | |
348 | ||
349 | chip->config2 = config2; | |
350 | ||
351 | return len; | |
352 | } | |
353 | ||
354 | static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, | |
355 | adt7316_show_mode, | |
356 | adt7316_store_mode, | |
357 | 0); | |
358 | ||
359 | static ssize_t adt7316_show_all_modes(struct device *dev, | |
360 | struct device_attribute *attr, | |
361 | char *buf) | |
362 | { | |
363 | return sprintf(buf, "single_channel\nround_robin\n"); | |
364 | } | |
365 | ||
366 | static IIO_DEVICE_ATTR(all_modes, S_IRUGO, adt7316_show_all_modes, NULL, 0); | |
367 | ||
368 | static ssize_t adt7316_show_ad_channel(struct device *dev, | |
369 | struct device_attribute *attr, | |
370 | char *buf) | |
371 | { | |
372 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
373 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
374 | ||
375 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) | |
376 | return -EPERM; | |
377 | ||
378 | switch (chip->config2 & ADT7516_AD_SINGLE_CH_MASK) { | |
379 | case ADT7316_AD_SINGLE_CH_VDD: | |
380 | return sprintf(buf, "0 - VDD\n"); | |
381 | case ADT7316_AD_SINGLE_CH_IN: | |
382 | return sprintf(buf, "1 - Internal Temperature\n"); | |
383 | case ADT7316_AD_SINGLE_CH_EX: | |
384 | if (((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) && | |
385 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) | |
386 | return sprintf(buf, "2 - AIN1\n"); | |
387 | else | |
388 | return sprintf(buf, "2 - External Temperature\n"); | |
389 | case ADT7516_AD_SINGLE_CH_AIN2: | |
390 | if ((chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) | |
391 | return sprintf(buf, "3 - AIN2\n"); | |
392 | else | |
393 | return sprintf(buf, "N/A\n"); | |
394 | case ADT7516_AD_SINGLE_CH_AIN3: | |
395 | if (chip->config1 & ADT7516_SEL_AIN3) | |
396 | return sprintf(buf, "4 - AIN3\n"); | |
397 | else | |
398 | return sprintf(buf, "N/A\n"); | |
399 | case ADT7516_AD_SINGLE_CH_AIN4: | |
400 | return sprintf(buf, "5 - AIN4\n"); | |
401 | default: | |
402 | return sprintf(buf, "N/A\n"); | |
95cd17c9 | 403 | } |
35f6b6b8 SZ |
404 | } |
405 | ||
406 | static ssize_t adt7316_store_ad_channel(struct device *dev, | |
407 | struct device_attribute *attr, | |
408 | const char *buf, | |
409 | size_t len) | |
410 | { | |
411 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
412 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
413 | u8 config2; | |
414 | unsigned long data = 0; | |
415 | int ret; | |
416 | ||
417 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) | |
418 | return -EPERM; | |
419 | ||
420 | ret = strict_strtoul(buf, 10, &data); | |
421 | if (ret) | |
422 | return -EINVAL; | |
423 | ||
424 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) { | |
425 | if (data > 5) | |
426 | return -EINVAL; | |
427 | ||
428 | config2 = chip->config2 & (~ADT7516_AD_SINGLE_CH_MASK); | |
429 | } else { | |
430 | if (data > 2) | |
431 | return -EINVAL; | |
432 | ||
433 | config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MASK); | |
434 | } | |
435 | ||
436 | ||
437 | config2 |= data; | |
438 | ||
439 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); | |
440 | if (ret) | |
441 | return -EIO; | |
442 | ||
443 | chip->config2 = config2; | |
444 | ||
445 | return len; | |
446 | } | |
447 | ||
448 | static IIO_DEVICE_ATTR(ad_channel, S_IRUGO | S_IWUSR, | |
449 | adt7316_show_ad_channel, | |
450 | adt7316_store_ad_channel, | |
451 | 0); | |
452 | ||
453 | static ssize_t adt7316_show_all_ad_channels(struct device *dev, | |
454 | struct device_attribute *attr, | |
455 | char *buf) | |
456 | { | |
457 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
458 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
459 | ||
460 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) | |
461 | return -EPERM; | |
462 | ||
463 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
464 | return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" | |
465 | "2 - External Temperature or AIN2\n" | |
466 | "3 - AIN2\n4 - AIN3\n5 - AIN4\n"); | |
467 | else | |
468 | return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" | |
469 | "2 - External Temperature\n"); | |
470 | } | |
471 | ||
472 | static IIO_DEVICE_ATTR(all_ad_channels, S_IRUGO, | |
473 | adt7316_show_all_ad_channels, NULL, 0); | |
474 | ||
475 | static ssize_t adt7316_show_disable_averaging(struct device *dev, | |
476 | struct device_attribute *attr, | |
477 | char *buf) | |
478 | { | |
479 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
480 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
481 | ||
482 | return sprintf(buf, "%d\n", | |
483 | !!(chip->config2 & ADT7316_DISABLE_AVERAGING)); | |
484 | } | |
485 | ||
486 | static ssize_t adt7316_store_disable_averaging(struct device *dev, | |
487 | struct device_attribute *attr, | |
488 | const char *buf, | |
489 | size_t len) | |
490 | { | |
491 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
492 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
493 | u8 config2; | |
494 | int ret; | |
495 | ||
496 | config2 = chip->config2 & (~ADT7316_DISABLE_AVERAGING); | |
497 | if (!memcmp(buf, "1", 1)) | |
498 | config2 |= ADT7316_DISABLE_AVERAGING; | |
499 | ||
500 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); | |
501 | if (ret) | |
502 | return -EIO; | |
503 | ||
504 | chip->config2 = config2; | |
505 | ||
506 | return len; | |
507 | } | |
508 | ||
509 | static IIO_DEVICE_ATTR(disable_averaging, S_IRUGO | S_IWUSR, | |
510 | adt7316_show_disable_averaging, | |
511 | adt7316_store_disable_averaging, | |
512 | 0); | |
513 | ||
514 | static ssize_t adt7316_show_enable_smbus_timeout(struct device *dev, | |
515 | struct device_attribute *attr, | |
516 | char *buf) | |
517 | { | |
518 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
519 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
520 | ||
521 | return sprintf(buf, "%d\n", | |
522 | !!(chip->config2 & ADT7316_EN_SMBUS_TIMEOUT)); | |
523 | } | |
524 | ||
525 | static ssize_t adt7316_store_enable_smbus_timeout(struct device *dev, | |
526 | struct device_attribute *attr, | |
527 | const char *buf, | |
528 | size_t len) | |
529 | { | |
530 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
531 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
532 | u8 config2; | |
533 | int ret; | |
534 | ||
535 | config2 = chip->config2 & (~ADT7316_EN_SMBUS_TIMEOUT); | |
536 | if (!memcmp(buf, "1", 1)) | |
537 | config2 |= ADT7316_EN_SMBUS_TIMEOUT; | |
538 | ||
539 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); | |
540 | if (ret) | |
541 | return -EIO; | |
542 | ||
543 | chip->config2 = config2; | |
544 | ||
545 | return len; | |
546 | } | |
547 | ||
548 | static IIO_DEVICE_ATTR(enable_smbus_timeout, S_IRUGO | S_IWUSR, | |
549 | adt7316_show_enable_smbus_timeout, | |
550 | adt7316_store_enable_smbus_timeout, | |
551 | 0); | |
552 | ||
553 | ||
554 | static ssize_t adt7316_store_reset(struct device *dev, | |
555 | struct device_attribute *attr, | |
556 | const char *buf, | |
557 | size_t len) | |
558 | { | |
559 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
560 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
561 | u8 config2; | |
562 | int ret; | |
563 | ||
564 | config2 = chip->config2 | ADT7316_RESET; | |
565 | ||
566 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); | |
567 | if (ret) | |
568 | return -EIO; | |
569 | ||
570 | return len; | |
571 | } | |
572 | ||
573 | static IIO_DEVICE_ATTR(reset, S_IWUSR, | |
574 | NULL, | |
575 | adt7316_store_reset, | |
576 | 0); | |
577 | ||
578 | static ssize_t adt7316_show_powerdown(struct device *dev, | |
579 | struct device_attribute *attr, | |
580 | char *buf) | |
581 | { | |
582 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
583 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
584 | ||
585 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_PD)); | |
586 | } | |
587 | ||
588 | static ssize_t adt7316_store_powerdown(struct device *dev, | |
589 | struct device_attribute *attr, | |
590 | const char *buf, | |
591 | size_t len) | |
592 | { | |
593 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
594 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
595 | u8 config1; | |
596 | int ret; | |
597 | ||
598 | config1 = chip->config1 & (~ADT7316_PD); | |
599 | if (!memcmp(buf, "1", 1)) | |
600 | config1 |= ADT7316_PD; | |
601 | ||
602 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); | |
603 | if (ret) | |
604 | return -EIO; | |
605 | ||
606 | chip->config1 = config1; | |
607 | ||
608 | return len; | |
609 | } | |
610 | ||
611 | static IIO_DEVICE_ATTR(powerdown, S_IRUGO | S_IWUSR, | |
612 | adt7316_show_powerdown, | |
613 | adt7316_store_powerdown, | |
614 | 0); | |
615 | ||
616 | static ssize_t adt7316_show_fast_ad_clock(struct device *dev, | |
617 | struct device_attribute *attr, | |
618 | char *buf) | |
619 | { | |
620 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
621 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
622 | ||
623 | return sprintf(buf, "%d\n", !!(chip->config3 & ADT7316_ADCLK_22_5)); | |
624 | } | |
625 | ||
626 | static ssize_t adt7316_store_fast_ad_clock(struct device *dev, | |
627 | struct device_attribute *attr, | |
628 | const char *buf, | |
629 | size_t len) | |
630 | { | |
631 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
632 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
633 | u8 config3; | |
634 | int ret; | |
635 | ||
636 | config3 = chip->config3 & (~ADT7316_ADCLK_22_5); | |
637 | if (!memcmp(buf, "1", 1)) | |
638 | config3 |= ADT7316_ADCLK_22_5; | |
639 | ||
640 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); | |
641 | if (ret) | |
642 | return -EIO; | |
643 | ||
644 | chip->config3 = config3; | |
645 | ||
646 | return len; | |
647 | } | |
648 | ||
649 | static IIO_DEVICE_ATTR(fast_ad_clock, S_IRUGO | S_IWUSR, | |
650 | adt7316_show_fast_ad_clock, | |
651 | adt7316_store_fast_ad_clock, | |
652 | 0); | |
653 | ||
654 | static ssize_t adt7316_show_da_high_resolution(struct device *dev, | |
655 | struct device_attribute *attr, | |
656 | char *buf) | |
657 | { | |
658 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
659 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
660 | ||
661 | if (chip->config3 & ADT7316_DA_HIGH_RESOLUTION) { | |
662 | if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516) | |
663 | return sprintf(buf, "1 (12 bits)\n"); | |
664 | else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517) | |
665 | return sprintf(buf, "1 (10 bits)\n"); | |
666 | } | |
667 | ||
668 | return sprintf(buf, "0 (8 bits)\n"); | |
669 | } | |
670 | ||
671 | static ssize_t adt7316_store_da_high_resolution(struct device *dev, | |
672 | struct device_attribute *attr, | |
673 | const char *buf, | |
674 | size_t len) | |
675 | { | |
676 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
677 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
678 | u8 config3; | |
679 | int ret; | |
680 | ||
681 | chip->dac_bits = 8; | |
682 | ||
683 | if (!memcmp(buf, "1", 1)) { | |
684 | config3 = chip->config3 | ADT7316_DA_HIGH_RESOLUTION; | |
685 | if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516) | |
686 | chip->dac_bits = 12; | |
687 | else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517) | |
688 | chip->dac_bits = 10; | |
689 | } else | |
690 | config3 = chip->config3 & (~ADT7316_DA_HIGH_RESOLUTION); | |
691 | ||
692 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); | |
693 | if (ret) | |
694 | return -EIO; | |
695 | ||
696 | chip->config3 = config3; | |
697 | ||
698 | return len; | |
699 | } | |
700 | ||
701 | static IIO_DEVICE_ATTR(da_high_resolution, S_IRUGO | S_IWUSR, | |
702 | adt7316_show_da_high_resolution, | |
703 | adt7316_store_da_high_resolution, | |
704 | 0); | |
705 | ||
706 | static ssize_t adt7316_show_AIN_internal_Vref(struct device *dev, | |
707 | struct device_attribute *attr, | |
708 | char *buf) | |
709 | { | |
710 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
711 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
712 | ||
713 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) | |
714 | return -EPERM; | |
715 | ||
716 | return sprintf(buf, "%d\n", | |
717 | !!(chip->config3 & ADT7516_AIN_IN_VREF)); | |
718 | } | |
719 | ||
720 | static ssize_t adt7316_store_AIN_internal_Vref(struct device *dev, | |
721 | struct device_attribute *attr, | |
722 | const char *buf, | |
723 | size_t len) | |
724 | { | |
725 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
726 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
727 | u8 config3; | |
728 | int ret; | |
729 | ||
730 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) | |
731 | return -EPERM; | |
732 | ||
733 | if (memcmp(buf, "1", 1)) | |
734 | config3 = chip->config3 & (~ADT7516_AIN_IN_VREF); | |
735 | else | |
736 | config3 = chip->config3 | ADT7516_AIN_IN_VREF; | |
737 | ||
738 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); | |
739 | if (ret) | |
740 | return -EIO; | |
741 | ||
742 | chip->config3 = config3; | |
743 | ||
744 | return len; | |
745 | } | |
746 | ||
747 | static IIO_DEVICE_ATTR(AIN_internal_Vref, S_IRUGO | S_IWUSR, | |
748 | adt7316_show_AIN_internal_Vref, | |
749 | adt7316_store_AIN_internal_Vref, | |
750 | 0); | |
751 | ||
752 | ||
753 | static ssize_t adt7316_show_enable_prop_DACA(struct device *dev, | |
754 | struct device_attribute *attr, | |
755 | char *buf) | |
756 | { | |
757 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
758 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
759 | ||
760 | return sprintf(buf, "%d\n", | |
761 | !!(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)); | |
762 | } | |
763 | ||
764 | static ssize_t adt7316_store_enable_prop_DACA(struct device *dev, | |
765 | struct device_attribute *attr, | |
766 | const char *buf, | |
767 | size_t len) | |
768 | { | |
769 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
770 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
771 | u8 config3; | |
772 | int ret; | |
773 | ||
774 | config3 = chip->config3 & (~ADT7316_EN_IN_TEMP_PROP_DACA); | |
775 | if (!memcmp(buf, "1", 1)) | |
776 | config3 |= ADT7316_EN_IN_TEMP_PROP_DACA; | |
777 | ||
778 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); | |
779 | if (ret) | |
780 | return -EIO; | |
781 | ||
782 | chip->config3 = config3; | |
783 | ||
784 | return len; | |
785 | } | |
786 | ||
787 | static IIO_DEVICE_ATTR(enable_proportion_DACA, S_IRUGO | S_IWUSR, | |
788 | adt7316_show_enable_prop_DACA, | |
789 | adt7316_store_enable_prop_DACA, | |
790 | 0); | |
791 | ||
792 | static ssize_t adt7316_show_enable_prop_DACB(struct device *dev, | |
793 | struct device_attribute *attr, | |
794 | char *buf) | |
795 | { | |
796 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
797 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
798 | ||
799 | return sprintf(buf, "%d\n", | |
800 | !!(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)); | |
801 | } | |
802 | ||
803 | static ssize_t adt7316_store_enable_prop_DACB(struct device *dev, | |
804 | struct device_attribute *attr, | |
805 | const char *buf, | |
806 | size_t len) | |
807 | { | |
808 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
809 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
810 | u8 config3; | |
811 | int ret; | |
812 | ||
813 | config3 = chip->config3 & (~ADT7316_EN_EX_TEMP_PROP_DACB); | |
814 | if (!memcmp(buf, "1", 1)) | |
815 | config3 |= ADT7316_EN_EX_TEMP_PROP_DACB; | |
816 | ||
817 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); | |
818 | if (ret) | |
819 | return -EIO; | |
820 | ||
821 | chip->config3 = config3; | |
822 | ||
823 | return len; | |
824 | } | |
825 | ||
826 | static IIO_DEVICE_ATTR(enable_proportion_DACB, S_IRUGO | S_IWUSR, | |
827 | adt7316_show_enable_prop_DACB, | |
828 | adt7316_store_enable_prop_DACB, | |
829 | 0); | |
830 | ||
831 | static ssize_t adt7316_show_DAC_2Vref_ch_mask(struct device *dev, | |
832 | struct device_attribute *attr, | |
833 | char *buf) | |
834 | { | |
835 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
836 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
837 | ||
838 | return sprintf(buf, "0x%x\n", | |
839 | chip->dac_config & ADT7316_DA_2VREF_CH_MASK); | |
840 | } | |
841 | ||
842 | static ssize_t adt7316_store_DAC_2Vref_ch_mask(struct device *dev, | |
843 | struct device_attribute *attr, | |
844 | const char *buf, | |
845 | size_t len) | |
846 | { | |
847 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
848 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
849 | u8 dac_config; | |
850 | unsigned long data = 0; | |
851 | int ret; | |
852 | ||
853 | ret = strict_strtoul(buf, 16, &data); | |
854 | if (ret || data > ADT7316_DA_2VREF_CH_MASK) | |
855 | return -EINVAL; | |
856 | ||
857 | dac_config = chip->dac_config & (~ADT7316_DA_2VREF_CH_MASK); | |
858 | dac_config |= data; | |
859 | ||
860 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); | |
861 | if (ret) | |
862 | return -EIO; | |
863 | ||
864 | chip->dac_config = dac_config; | |
865 | ||
866 | return len; | |
867 | } | |
868 | ||
869 | static IIO_DEVICE_ATTR(DAC_2Vref_channels_mask, S_IRUGO | S_IWUSR, | |
870 | adt7316_show_DAC_2Vref_ch_mask, | |
871 | adt7316_store_DAC_2Vref_ch_mask, | |
872 | 0); | |
873 | ||
874 | static ssize_t adt7316_show_DAC_update_mode(struct device *dev, | |
875 | struct device_attribute *attr, | |
876 | char *buf) | |
877 | { | |
878 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
879 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
880 | ||
881 | if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA)) | |
882 | return sprintf(buf, "manual\n"); | |
883 | else { | |
884 | switch (chip->dac_config & ADT7316_DA_EN_MODE_MASK) { | |
885 | case ADT7316_DA_EN_MODE_SINGLE: | |
886 | return sprintf(buf, "0 - auto at any MSB DAC writing\n"); | |
887 | case ADT7316_DA_EN_MODE_AB_CD: | |
888 | return sprintf(buf, "1 - auto at MSB DAC AB and CD writing\n"); | |
889 | case ADT7316_DA_EN_MODE_ABCD: | |
890 | return sprintf(buf, "2 - auto at MSB DAC ABCD writing\n"); | |
891 | default: /* ADT7316_DA_EN_MODE_LDAC */ | |
892 | return sprintf(buf, "3 - manual\n"); | |
95cd17c9 | 893 | } |
35f6b6b8 SZ |
894 | } |
895 | } | |
896 | ||
897 | static ssize_t adt7316_store_DAC_update_mode(struct device *dev, | |
898 | struct device_attribute *attr, | |
899 | const char *buf, | |
900 | size_t len) | |
901 | { | |
902 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
903 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
904 | u8 dac_config; | |
905 | unsigned long data; | |
906 | int ret; | |
907 | ||
908 | if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA)) | |
909 | return -EPERM; | |
910 | ||
911 | ret = strict_strtoul(buf, 10, &data); | |
912 | if (ret || data > ADT7316_DA_EN_MODE_MASK) | |
913 | return -EINVAL; | |
914 | ||
915 | dac_config = chip->dac_config & (~ADT7316_DA_EN_MODE_MASK); | |
916 | dac_config |= data; | |
917 | ||
918 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); | |
919 | if (ret) | |
920 | return -EIO; | |
921 | ||
922 | chip->dac_config = dac_config; | |
923 | ||
924 | return len; | |
925 | } | |
926 | ||
927 | static IIO_DEVICE_ATTR(DAC_update_mode, S_IRUGO | S_IWUSR, | |
928 | adt7316_show_DAC_update_mode, | |
929 | adt7316_store_DAC_update_mode, | |
930 | 0); | |
931 | ||
932 | static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev, | |
933 | struct device_attribute *attr, | |
934 | char *buf) | |
935 | { | |
936 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
937 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
938 | ||
939 | if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA) | |
940 | return sprintf(buf, "0 - auto at any MSB DAC writing\n" | |
941 | "1 - auto at MSB DAC AB and CD writing\n" | |
942 | "2 - auto at MSB DAC ABCD writing\n" | |
943 | "3 - manual\n"); | |
944 | else | |
945 | return sprintf(buf, "manual\n"); | |
946 | } | |
947 | ||
948 | static IIO_DEVICE_ATTR(all_DAC_update_modes, S_IRUGO, | |
949 | adt7316_show_all_DAC_update_modes, NULL, 0); | |
950 | ||
951 | ||
952 | static ssize_t adt7316_store_update_DAC(struct device *dev, | |
953 | struct device_attribute *attr, | |
954 | const char *buf, | |
955 | size_t len) | |
956 | { | |
957 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
958 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
959 | u8 ldac_config; | |
960 | unsigned long data; | |
961 | int ret; | |
962 | ||
963 | if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA) { | |
964 | if ((chip->dac_config & ADT7316_DA_EN_MODE_MASK) != | |
965 | ADT7316_DA_EN_MODE_LDAC) | |
966 | return -EPERM; | |
967 | ||
968 | ret = strict_strtoul(buf, 16, &data); | |
969 | if (ret || data > ADT7316_LDAC_EN_DA_MASK) | |
970 | return -EINVAL; | |
971 | ||
972 | ldac_config = chip->ldac_config & (~ADT7316_LDAC_EN_DA_MASK); | |
973 | ldac_config |= data; | |
974 | ||
975 | ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG, | |
976 | ldac_config); | |
977 | if (ret) | |
978 | return -EIO; | |
979 | } else { | |
980 | gpio_set_value(chip->ldac_pin, 0); | |
981 | gpio_set_value(chip->ldac_pin, 1); | |
982 | } | |
983 | ||
984 | return len; | |
985 | } | |
986 | ||
987 | static IIO_DEVICE_ATTR(update_DAC, S_IRUGO | S_IWUSR, | |
988 | NULL, | |
989 | adt7316_store_update_DAC, | |
990 | 0); | |
991 | ||
992 | static ssize_t adt7316_show_DA_AB_Vref_bypass(struct device *dev, | |
993 | struct device_attribute *attr, | |
994 | char *buf) | |
995 | { | |
996 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
997 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
998 | ||
999 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1000 | return -EPERM; | |
1001 | ||
1002 | return sprintf(buf, "%d\n", | |
1003 | !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_AB)); | |
1004 | } | |
1005 | ||
1006 | static ssize_t adt7316_store_DA_AB_Vref_bypass(struct device *dev, | |
1007 | struct device_attribute *attr, | |
1008 | const char *buf, | |
1009 | size_t len) | |
1010 | { | |
1011 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1012 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1013 | u8 dac_config; | |
1014 | int ret; | |
1015 | ||
1016 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1017 | return -EPERM; | |
1018 | ||
1019 | dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_AB); | |
1020 | if (!memcmp(buf, "1", 1)) | |
1021 | dac_config |= ADT7316_VREF_BYPASS_DAC_AB; | |
1022 | ||
1023 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); | |
1024 | if (ret) | |
1025 | return -EIO; | |
1026 | ||
1027 | chip->dac_config = dac_config; | |
1028 | ||
1029 | return len; | |
1030 | } | |
1031 | ||
1032 | static IIO_DEVICE_ATTR(DA_AB_Vref_bypass, S_IRUGO | S_IWUSR, | |
1033 | adt7316_show_DA_AB_Vref_bypass, | |
1034 | adt7316_store_DA_AB_Vref_bypass, | |
1035 | 0); | |
1036 | ||
1037 | static ssize_t adt7316_show_DA_CD_Vref_bypass(struct device *dev, | |
1038 | struct device_attribute *attr, | |
1039 | char *buf) | |
1040 | { | |
1041 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1042 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1043 | ||
1044 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1045 | return -EPERM; | |
1046 | ||
1047 | return sprintf(buf, "%d\n", | |
1048 | !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_CD)); | |
1049 | } | |
1050 | ||
1051 | static ssize_t adt7316_store_DA_CD_Vref_bypass(struct device *dev, | |
1052 | struct device_attribute *attr, | |
1053 | const char *buf, | |
1054 | size_t len) | |
1055 | { | |
1056 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1057 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1058 | u8 dac_config; | |
1059 | int ret; | |
1060 | ||
1061 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1062 | return -EPERM; | |
1063 | ||
1064 | dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_CD); | |
1065 | if (!memcmp(buf, "1", 1)) | |
1066 | dac_config |= ADT7316_VREF_BYPASS_DAC_CD; | |
1067 | ||
1068 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); | |
1069 | if (ret) | |
1070 | return -EIO; | |
1071 | ||
1072 | chip->dac_config = dac_config; | |
1073 | ||
1074 | return len; | |
1075 | } | |
1076 | ||
1077 | static IIO_DEVICE_ATTR(DA_CD_Vref_bypass, S_IRUGO | S_IWUSR, | |
1078 | adt7316_show_DA_CD_Vref_bypass, | |
1079 | adt7316_store_DA_CD_Vref_bypass, | |
1080 | 0); | |
1081 | ||
1082 | static ssize_t adt7316_show_DAC_internal_Vref(struct device *dev, | |
1083 | struct device_attribute *attr, | |
1084 | char *buf) | |
1085 | { | |
1086 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1087 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1088 | ||
1089 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1090 | return sprintf(buf, "0x%x\n", | |
1091 | (chip->dac_config & ADT7516_DAC_IN_VREF_MASK) >> | |
1092 | ADT7516_DAC_IN_VREF_OFFSET); | |
1093 | else | |
1094 | return sprintf(buf, "%d\n", | |
1095 | !!(chip->dac_config & ADT7316_DAC_IN_VREF)); | |
1096 | } | |
1097 | ||
1098 | static ssize_t adt7316_store_DAC_internal_Vref(struct device *dev, | |
1099 | struct device_attribute *attr, | |
1100 | const char *buf, | |
1101 | size_t len) | |
1102 | { | |
1103 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1104 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1105 | u8 ldac_config; | |
1106 | unsigned long data; | |
1107 | int ret; | |
1108 | ||
1109 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) { | |
1110 | ret = strict_strtoul(buf, 16, &data); | |
1111 | if (ret || data > 3) | |
1112 | return -EINVAL; | |
1113 | ||
1114 | ldac_config = chip->ldac_config & (~ADT7516_DAC_IN_VREF_MASK); | |
1115 | if (data & 0x1) | |
1116 | ldac_config |= ADT7516_DAC_AB_IN_VREF; | |
1117 | else if (data & 0x2) | |
1118 | ldac_config |= ADT7516_DAC_CD_IN_VREF; | |
1119 | } else { | |
1120 | ret = strict_strtoul(buf, 16, &data); | |
1121 | if (ret) | |
1122 | return -EINVAL; | |
1123 | ||
1124 | ldac_config = chip->ldac_config & (~ADT7316_DAC_IN_VREF); | |
1125 | if (data) | |
1126 | ldac_config = chip->ldac_config | ADT7316_DAC_IN_VREF; | |
1127 | } | |
1128 | ||
1129 | ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG, ldac_config); | |
1130 | if (ret) | |
1131 | return -EIO; | |
1132 | ||
1133 | chip->ldac_config = ldac_config; | |
1134 | ||
1135 | return len; | |
1136 | } | |
1137 | ||
1138 | static IIO_DEVICE_ATTR(DAC_internal_Vref, S_IRUGO | S_IWUSR, | |
1139 | adt7316_show_DAC_internal_Vref, | |
1140 | adt7316_store_DAC_internal_Vref, | |
1141 | 0); | |
1142 | ||
1143 | static ssize_t adt7316_show_ad(struct adt7316_chip_info *chip, | |
1144 | int channel, char *buf) | |
1145 | { | |
1146 | u16 data; | |
1147 | u8 msb, lsb; | |
1148 | char sign = ' '; | |
1149 | int ret; | |
1150 | ||
1151 | if ((chip->config2 & ADT7316_AD_SINGLE_CH_MODE) && | |
1152 | channel != (chip->config2 & ADT7516_AD_SINGLE_CH_MASK)) | |
1153 | return -EPERM; | |
1154 | ||
1155 | switch (channel) { | |
1156 | case ADT7316_AD_SINGLE_CH_IN: | |
1157 | ret = chip->bus.read(chip->bus.client, | |
1158 | ADT7316_LSB_IN_TEMP_VDD, &lsb); | |
1159 | if (ret) | |
1160 | return -EIO; | |
1161 | ||
1162 | ret = chip->bus.read(chip->bus.client, | |
1163 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); | |
1164 | if (ret) | |
1165 | return -EIO; | |
1166 | ||
1167 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; | |
1168 | data |= lsb & ADT7316_LSB_IN_TEMP_MASK; | |
1169 | break; | |
1170 | case ADT7316_AD_SINGLE_CH_VDD: | |
1171 | ret = chip->bus.read(chip->bus.client, | |
1172 | ADT7316_LSB_IN_TEMP_VDD, &lsb); | |
1173 | if (ret) | |
1174 | return -EIO; | |
1175 | ||
1176 | ret = chip->bus.read(chip->bus.client, | |
1177 | ||
1178 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); | |
1179 | if (ret) | |
1180 | return -EIO; | |
1181 | ||
1182 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; | |
1183 | data |= (lsb & ADT7316_LSB_VDD_MASK) >> ADT7316_LSB_VDD_OFFSET; | |
1184 | return sprintf(buf, "%d\n", data); | |
1185 | default: /* ex_temp and ain */ | |
1186 | ret = chip->bus.read(chip->bus.client, | |
1187 | ADT7316_LSB_EX_TEMP_AIN, &lsb); | |
1188 | if (ret) | |
1189 | return -EIO; | |
1190 | ||
1191 | ret = chip->bus.read(chip->bus.client, | |
1192 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); | |
1193 | if (ret) | |
1194 | return -EIO; | |
1195 | ||
1196 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; | |
1197 | data |= lsb & (ADT7316_LSB_EX_TEMP_MASK << | |
1198 | (ADT7516_LSB_AIN_SHIFT * (channel - | |
1199 | (ADT7316_MSB_EX_TEMP - ADT7316_AD_MSB_DATA_BASE)))); | |
1200 | ||
1201 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1202 | return sprintf(buf, "%d\n", data); | |
1203 | else | |
1204 | break; | |
95cd17c9 | 1205 | } |
35f6b6b8 SZ |
1206 | |
1207 | if (data & ADT7316_T_VALUE_SIGN) { | |
1208 | /* convert supplement to positive value */ | |
1209 | data = (ADT7316_T_VALUE_SIGN << 1) - data; | |
1210 | sign = '-'; | |
1211 | } | |
1212 | ||
1213 | return sprintf(buf, "%c%d.%.2d\n", sign, | |
1214 | (data >> ADT7316_T_VALUE_FLOAT_OFFSET), | |
1215 | (data & ADT7316_T_VALUE_FLOAT_MASK) * 25); | |
1216 | } | |
1217 | ||
1218 | static ssize_t adt7316_show_VDD(struct device *dev, | |
1219 | struct device_attribute *attr, | |
1220 | char *buf) | |
1221 | { | |
1222 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1223 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1224 | ||
1225 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_VDD, buf); | |
1226 | } | |
1227 | static IIO_DEVICE_ATTR(VDD, S_IRUGO, adt7316_show_VDD, NULL, 0); | |
1228 | ||
1229 | static ssize_t adt7316_show_in_temp(struct device *dev, | |
1230 | struct device_attribute *attr, | |
1231 | char *buf) | |
1232 | { | |
1233 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1234 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1235 | ||
1236 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_IN, buf); | |
1237 | } | |
1238 | ||
1239 | static IIO_DEVICE_ATTR(in_temp, S_IRUGO, adt7316_show_in_temp, NULL, 0); | |
1240 | ||
1241 | static ssize_t adt7316_show_ex_temp_AIN1(struct device *dev, | |
1242 | struct device_attribute *attr, | |
1243 | char *buf) | |
1244 | { | |
1245 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1246 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1247 | ||
1248 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_EX, buf); | |
1249 | } | |
1250 | ||
1251 | static IIO_DEVICE_ATTR(ex_temp_AIN1, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0); | |
1252 | static IIO_DEVICE_ATTR(ex_temp, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0); | |
1253 | ||
1254 | static ssize_t adt7316_show_AIN2(struct device *dev, | |
1255 | struct device_attribute *attr, | |
1256 | char *buf) | |
1257 | { | |
1258 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1259 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1260 | ||
1261 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN2, buf); | |
1262 | } | |
1263 | static IIO_DEVICE_ATTR(AIN2, S_IRUGO, adt7316_show_AIN2, NULL, 0); | |
1264 | ||
1265 | static ssize_t adt7316_show_AIN3(struct device *dev, | |
1266 | struct device_attribute *attr, | |
1267 | char *buf) | |
1268 | { | |
1269 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1270 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1271 | ||
1272 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN3, buf); | |
1273 | } | |
1274 | static IIO_DEVICE_ATTR(AIN3, S_IRUGO, adt7316_show_AIN3, NULL, 0); | |
1275 | ||
1276 | static ssize_t adt7316_show_AIN4(struct device *dev, | |
1277 | struct device_attribute *attr, | |
1278 | char *buf) | |
1279 | { | |
1280 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1281 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1282 | ||
1283 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN4, buf); | |
1284 | } | |
1285 | static IIO_DEVICE_ATTR(AIN4, S_IRUGO, adt7316_show_AIN4, NULL, 0); | |
1286 | ||
1287 | static ssize_t adt7316_show_temp_offset(struct adt7316_chip_info *chip, | |
1288 | int offset_addr, char *buf) | |
1289 | { | |
1290 | int data; | |
1291 | u8 val; | |
1292 | int ret; | |
1293 | ||
1294 | ret = chip->bus.read(chip->bus.client, offset_addr, &val); | |
1295 | if (ret) | |
1296 | return -EIO; | |
1297 | ||
1298 | data = (int)val; | |
1299 | if (val & 0x80) | |
1300 | data -= 256; | |
1301 | ||
1302 | return sprintf(buf, "%d\n", data); | |
1303 | } | |
1304 | ||
1305 | static ssize_t adt7316_store_temp_offset(struct adt7316_chip_info *chip, | |
1306 | int offset_addr, const char *buf, size_t len) | |
1307 | { | |
1308 | long data; | |
1309 | u8 val; | |
1310 | int ret; | |
1311 | ||
1312 | ret = strict_strtol(buf, 10, &data); | |
1313 | if (ret || data > 127 || data < -128) | |
1314 | return -EINVAL; | |
1315 | ||
1316 | if (data < 0) | |
1317 | data += 256; | |
1318 | ||
1319 | val = (u8)data; | |
1320 | ||
1321 | ret = chip->bus.write(chip->bus.client, offset_addr, val); | |
1322 | if (ret) | |
1323 | return -EIO; | |
1324 | ||
1325 | return len; | |
1326 | } | |
1327 | ||
1328 | static ssize_t adt7316_show_in_temp_offset(struct device *dev, | |
1329 | struct device_attribute *attr, | |
1330 | char *buf) | |
1331 | { | |
1332 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1333 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1334 | ||
1335 | return adt7316_show_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf); | |
1336 | } | |
1337 | ||
1338 | static ssize_t adt7316_store_in_temp_offset(struct device *dev, | |
1339 | struct device_attribute *attr, | |
1340 | const char *buf, | |
1341 | size_t len) | |
1342 | { | |
1343 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1344 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1345 | ||
1346 | return adt7316_store_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf, len); | |
1347 | } | |
1348 | ||
1349 | static IIO_DEVICE_ATTR(in_temp_offset, S_IRUGO | S_IWUSR, | |
1350 | adt7316_show_in_temp_offset, | |
1351 | adt7316_store_in_temp_offset, 0); | |
1352 | ||
1353 | static ssize_t adt7316_show_ex_temp_offset(struct device *dev, | |
1354 | struct device_attribute *attr, | |
1355 | char *buf) | |
1356 | { | |
1357 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1358 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1359 | ||
1360 | return adt7316_show_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf); | |
1361 | } | |
1362 | ||
1363 | static ssize_t adt7316_store_ex_temp_offset(struct device *dev, | |
1364 | struct device_attribute *attr, | |
1365 | const char *buf, | |
1366 | size_t len) | |
1367 | { | |
1368 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1369 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1370 | ||
1371 | return adt7316_store_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf, len); | |
1372 | } | |
1373 | ||
1374 | static IIO_DEVICE_ATTR(ex_temp_offset, S_IRUGO | S_IWUSR, | |
1375 | adt7316_show_ex_temp_offset, | |
1376 | adt7316_store_ex_temp_offset, 0); | |
1377 | ||
1378 | static ssize_t adt7316_show_in_analog_temp_offset(struct device *dev, | |
1379 | struct device_attribute *attr, | |
1380 | char *buf) | |
1381 | { | |
1382 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1383 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1384 | ||
1385 | return adt7316_show_temp_offset(chip, | |
1386 | ADT7316_IN_ANALOG_TEMP_OFFSET, buf); | |
1387 | } | |
1388 | ||
1389 | static ssize_t adt7316_store_in_analog_temp_offset(struct device *dev, | |
1390 | struct device_attribute *attr, | |
1391 | const char *buf, | |
1392 | size_t len) | |
1393 | { | |
1394 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1395 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1396 | ||
1397 | return adt7316_store_temp_offset(chip, | |
1398 | ADT7316_IN_ANALOG_TEMP_OFFSET, buf, len); | |
1399 | } | |
1400 | ||
1401 | static IIO_DEVICE_ATTR(in_analog_temp_offset, S_IRUGO | S_IWUSR, | |
1402 | adt7316_show_in_analog_temp_offset, | |
1403 | adt7316_store_in_analog_temp_offset, 0); | |
1404 | ||
1405 | static ssize_t adt7316_show_ex_analog_temp_offset(struct device *dev, | |
1406 | struct device_attribute *attr, | |
1407 | char *buf) | |
1408 | { | |
1409 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1410 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1411 | ||
1412 | return adt7316_show_temp_offset(chip, | |
1413 | ADT7316_EX_ANALOG_TEMP_OFFSET, buf); | |
1414 | } | |
1415 | ||
1416 | static ssize_t adt7316_store_ex_analog_temp_offset(struct device *dev, | |
1417 | struct device_attribute *attr, | |
1418 | const char *buf, | |
1419 | size_t len) | |
1420 | { | |
1421 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1422 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1423 | ||
1424 | return adt7316_store_temp_offset(chip, | |
1425 | ADT7316_EX_ANALOG_TEMP_OFFSET, buf, len); | |
1426 | } | |
1427 | ||
1428 | static IIO_DEVICE_ATTR(ex_analog_temp_offset, S_IRUGO | S_IWUSR, | |
1429 | adt7316_show_ex_analog_temp_offset, | |
1430 | adt7316_store_ex_analog_temp_offset, 0); | |
1431 | ||
1432 | static ssize_t adt7316_show_DAC(struct adt7316_chip_info *chip, | |
1433 | int channel, char *buf) | |
1434 | { | |
1435 | u16 data; | |
1436 | u8 msb, lsb, offset; | |
1437 | int ret; | |
1438 | ||
1439 | if (channel >= ADT7316_DA_MSB_DATA_REGS || | |
1440 | (channel == 0 && | |
1441 | (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) || | |
1442 | (channel == 1 && | |
1443 | (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB))) | |
1444 | return -EPERM; | |
1445 | ||
1446 | offset = chip->dac_bits - 8; | |
1447 | ||
1448 | if (chip->dac_bits > 8) { | |
1449 | ret = chip->bus.read(chip->bus.client, | |
1450 | ADT7316_DA_DATA_BASE + channel * 2, &lsb); | |
1451 | if (ret) | |
1452 | return -EIO; | |
1453 | } | |
1454 | ||
1455 | ret = chip->bus.read(chip->bus.client, | |
1456 | ADT7316_DA_DATA_BASE + 1 + channel * 2, &msb); | |
1457 | if (ret) | |
1458 | return -EIO; | |
1459 | ||
1460 | data = (msb << offset) + (lsb & ((1 << offset) - 1)); | |
1461 | ||
1462 | return sprintf(buf, "%d\n", data); | |
1463 | } | |
1464 | ||
1465 | static ssize_t adt7316_store_DAC(struct adt7316_chip_info *chip, | |
1466 | int channel, const char *buf, size_t len) | |
1467 | { | |
1468 | u8 msb, lsb, offset; | |
1469 | unsigned long data; | |
1470 | int ret; | |
1471 | ||
1472 | if (channel >= ADT7316_DA_MSB_DATA_REGS || | |
1473 | (channel == 0 && | |
1474 | (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) || | |
1475 | (channel == 1 && | |
1476 | (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB))) | |
1477 | return -EPERM; | |
1478 | ||
1479 | offset = chip->dac_bits - 8; | |
1480 | ||
1481 | ret = strict_strtoul(buf, 10, &data); | |
1482 | if (ret || data >= (1 << chip->dac_bits)) | |
1483 | return -EINVAL; | |
1484 | ||
1485 | if (chip->dac_bits > 8) { | |
1486 | lsb = data & (1 << offset); | |
1487 | ret = chip->bus.write(chip->bus.client, | |
1488 | ADT7316_DA_DATA_BASE + channel * 2, lsb); | |
1489 | if (ret) | |
1490 | return -EIO; | |
1491 | } | |
1492 | ||
1493 | msb = data >> offset; | |
1494 | ret = chip->bus.write(chip->bus.client, | |
1495 | ADT7316_DA_DATA_BASE + 1 + channel * 2, msb); | |
1496 | if (ret) | |
1497 | return -EIO; | |
1498 | ||
1499 | return len; | |
1500 | } | |
1501 | ||
1502 | static ssize_t adt7316_show_DAC_A(struct device *dev, | |
1503 | struct device_attribute *attr, | |
1504 | char *buf) | |
1505 | { | |
1506 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1507 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1508 | ||
1509 | return adt7316_show_DAC(chip, 0, buf); | |
1510 | } | |
1511 | ||
1512 | static ssize_t adt7316_store_DAC_A(struct device *dev, | |
1513 | struct device_attribute *attr, | |
1514 | const char *buf, | |
1515 | size_t len) | |
1516 | { | |
1517 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1518 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1519 | ||
1520 | return adt7316_store_DAC(chip, 0, buf, len); | |
1521 | } | |
1522 | ||
1523 | static IIO_DEVICE_ATTR(DAC_A, S_IRUGO | S_IWUSR, adt7316_show_DAC_A, | |
1524 | adt7316_store_DAC_A, 0); | |
1525 | ||
1526 | static ssize_t adt7316_show_DAC_B(struct device *dev, | |
1527 | struct device_attribute *attr, | |
1528 | char *buf) | |
1529 | { | |
1530 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1531 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1532 | ||
1533 | return adt7316_show_DAC(chip, 1, buf); | |
1534 | } | |
1535 | ||
1536 | static ssize_t adt7316_store_DAC_B(struct device *dev, | |
1537 | struct device_attribute *attr, | |
1538 | const char *buf, | |
1539 | size_t len) | |
1540 | { | |
1541 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1542 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1543 | ||
1544 | return adt7316_store_DAC(chip, 1, buf, len); | |
1545 | } | |
1546 | ||
1547 | static IIO_DEVICE_ATTR(DAC_B, S_IRUGO | S_IWUSR, adt7316_show_DAC_B, | |
1548 | adt7316_store_DAC_B, 0); | |
1549 | ||
1550 | static ssize_t adt7316_show_DAC_C(struct device *dev, | |
1551 | struct device_attribute *attr, | |
1552 | char *buf) | |
1553 | { | |
1554 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1555 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1556 | ||
1557 | return adt7316_show_DAC(chip, 2, buf); | |
1558 | } | |
1559 | ||
1560 | static ssize_t adt7316_store_DAC_C(struct device *dev, | |
1561 | struct device_attribute *attr, | |
1562 | const char *buf, | |
1563 | size_t len) | |
1564 | { | |
1565 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1566 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1567 | ||
1568 | return adt7316_store_DAC(chip, 2, buf, len); | |
1569 | } | |
1570 | ||
1571 | static IIO_DEVICE_ATTR(DAC_C, S_IRUGO | S_IWUSR, adt7316_show_DAC_C, | |
1572 | adt7316_store_DAC_C, 0); | |
1573 | ||
1574 | static ssize_t adt7316_show_DAC_D(struct device *dev, | |
1575 | struct device_attribute *attr, | |
1576 | char *buf) | |
1577 | { | |
1578 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1579 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1580 | ||
1581 | return adt7316_show_DAC(chip, 3, buf); | |
1582 | } | |
1583 | ||
1584 | static ssize_t adt7316_store_DAC_D(struct device *dev, | |
1585 | struct device_attribute *attr, | |
1586 | const char *buf, | |
1587 | size_t len) | |
1588 | { | |
1589 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1590 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1591 | ||
1592 | return adt7316_store_DAC(chip, 3, buf, len); | |
1593 | } | |
1594 | ||
1595 | static IIO_DEVICE_ATTR(DAC_D, S_IRUGO | S_IWUSR, adt7316_show_DAC_D, | |
1596 | adt7316_store_DAC_D, 0); | |
1597 | ||
1598 | static ssize_t adt7316_show_device_id(struct device *dev, | |
1599 | struct device_attribute *attr, | |
1600 | char *buf) | |
1601 | { | |
1602 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1603 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1604 | u8 id; | |
1605 | int ret; | |
1606 | ||
1607 | ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_ID, &id); | |
1608 | if (ret) | |
1609 | return -EIO; | |
1610 | ||
1611 | return sprintf(buf, "%d\n", id); | |
1612 | } | |
1613 | ||
1614 | static IIO_DEVICE_ATTR(device_id, S_IRUGO, adt7316_show_device_id, NULL, 0); | |
1615 | ||
1616 | static ssize_t adt7316_show_manufactorer_id(struct device *dev, | |
1617 | struct device_attribute *attr, | |
1618 | char *buf) | |
1619 | { | |
1620 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1621 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1622 | u8 id; | |
1623 | int ret; | |
1624 | ||
1625 | ret = chip->bus.read(chip->bus.client, ADT7316_MANUFACTURE_ID, &id); | |
1626 | if (ret) | |
1627 | return -EIO; | |
1628 | ||
1629 | return sprintf(buf, "%d\n", id); | |
1630 | } | |
1631 | ||
1632 | static IIO_DEVICE_ATTR(manufactorer_id, S_IRUGO, | |
1633 | adt7316_show_manufactorer_id, NULL, 0); | |
1634 | ||
1635 | static ssize_t adt7316_show_device_rev(struct device *dev, | |
1636 | struct device_attribute *attr, | |
1637 | char *buf) | |
1638 | { | |
1639 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1640 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1641 | u8 rev; | |
1642 | int ret; | |
1643 | ||
1644 | ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_REV, &rev); | |
1645 | if (ret) | |
1646 | return -EIO; | |
1647 | ||
1648 | return sprintf(buf, "%d\n", rev); | |
1649 | } | |
1650 | ||
1651 | static IIO_DEVICE_ATTR(device_rev, S_IRUGO, adt7316_show_device_rev, NULL, 0); | |
1652 | ||
1653 | static ssize_t adt7316_show_bus_type(struct device *dev, | |
1654 | struct device_attribute *attr, | |
1655 | char *buf) | |
1656 | { | |
1657 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1658 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1659 | u8 stat; | |
1660 | int ret; | |
1661 | ||
1662 | ret = chip->bus.read(chip->bus.client, ADT7316_SPI_LOCK_STAT, &stat); | |
1663 | if (ret) | |
1664 | return -EIO; | |
1665 | ||
1666 | if (stat) | |
1667 | return sprintf(buf, "spi\n"); | |
1668 | else | |
1669 | return sprintf(buf, "i2c\n"); | |
1670 | } | |
1671 | ||
1672 | static IIO_DEVICE_ATTR(bus_type, S_IRUGO, adt7316_show_bus_type, NULL, 0); | |
1673 | ||
35f6b6b8 SZ |
1674 | static struct attribute *adt7316_attributes[] = { |
1675 | &iio_dev_attr_all_modes.dev_attr.attr, | |
1676 | &iio_dev_attr_mode.dev_attr.attr, | |
1677 | &iio_dev_attr_reset.dev_attr.attr, | |
1678 | &iio_dev_attr_enabled.dev_attr.attr, | |
1679 | &iio_dev_attr_ad_channel.dev_attr.attr, | |
1680 | &iio_dev_attr_all_ad_channels.dev_attr.attr, | |
1681 | &iio_dev_attr_disable_averaging.dev_attr.attr, | |
1682 | &iio_dev_attr_enable_smbus_timeout.dev_attr.attr, | |
1683 | &iio_dev_attr_powerdown.dev_attr.attr, | |
1684 | &iio_dev_attr_fast_ad_clock.dev_attr.attr, | |
1685 | &iio_dev_attr_da_high_resolution.dev_attr.attr, | |
1686 | &iio_dev_attr_enable_proportion_DACA.dev_attr.attr, | |
1687 | &iio_dev_attr_enable_proportion_DACB.dev_attr.attr, | |
1688 | &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr, | |
1689 | &iio_dev_attr_DAC_update_mode.dev_attr.attr, | |
1690 | &iio_dev_attr_all_DAC_update_modes.dev_attr.attr, | |
1691 | &iio_dev_attr_update_DAC.dev_attr.attr, | |
1692 | &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr, | |
1693 | &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr, | |
1694 | &iio_dev_attr_DAC_internal_Vref.dev_attr.attr, | |
1695 | &iio_dev_attr_VDD.dev_attr.attr, | |
1696 | &iio_dev_attr_in_temp.dev_attr.attr, | |
1697 | &iio_dev_attr_ex_temp.dev_attr.attr, | |
1698 | &iio_dev_attr_in_temp_offset.dev_attr.attr, | |
1699 | &iio_dev_attr_ex_temp_offset.dev_attr.attr, | |
1700 | &iio_dev_attr_in_analog_temp_offset.dev_attr.attr, | |
1701 | &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr, | |
1702 | &iio_dev_attr_DAC_A.dev_attr.attr, | |
1703 | &iio_dev_attr_DAC_B.dev_attr.attr, | |
1704 | &iio_dev_attr_DAC_C.dev_attr.attr, | |
1705 | &iio_dev_attr_DAC_D.dev_attr.attr, | |
1706 | &iio_dev_attr_device_id.dev_attr.attr, | |
1707 | &iio_dev_attr_manufactorer_id.dev_attr.attr, | |
1708 | &iio_dev_attr_device_rev.dev_attr.attr, | |
1709 | &iio_dev_attr_bus_type.dev_attr.attr, | |
35f6b6b8 SZ |
1710 | NULL, |
1711 | }; | |
1712 | ||
1713 | static const struct attribute_group adt7316_attribute_group = { | |
1714 | .attrs = adt7316_attributes, | |
1715 | }; | |
1716 | ||
1717 | static struct attribute *adt7516_attributes[] = { | |
1718 | &iio_dev_attr_all_modes.dev_attr.attr, | |
1719 | &iio_dev_attr_mode.dev_attr.attr, | |
1720 | &iio_dev_attr_select_ex_temp.dev_attr.attr, | |
1721 | &iio_dev_attr_reset.dev_attr.attr, | |
1722 | &iio_dev_attr_enabled.dev_attr.attr, | |
1723 | &iio_dev_attr_ad_channel.dev_attr.attr, | |
1724 | &iio_dev_attr_all_ad_channels.dev_attr.attr, | |
1725 | &iio_dev_attr_disable_averaging.dev_attr.attr, | |
1726 | &iio_dev_attr_enable_smbus_timeout.dev_attr.attr, | |
1727 | &iio_dev_attr_powerdown.dev_attr.attr, | |
1728 | &iio_dev_attr_fast_ad_clock.dev_attr.attr, | |
1729 | &iio_dev_attr_AIN_internal_Vref.dev_attr.attr, | |
1730 | &iio_dev_attr_da_high_resolution.dev_attr.attr, | |
1731 | &iio_dev_attr_enable_proportion_DACA.dev_attr.attr, | |
1732 | &iio_dev_attr_enable_proportion_DACB.dev_attr.attr, | |
1733 | &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr, | |
1734 | &iio_dev_attr_DAC_update_mode.dev_attr.attr, | |
1735 | &iio_dev_attr_all_DAC_update_modes.dev_attr.attr, | |
1736 | &iio_dev_attr_update_DAC.dev_attr.attr, | |
1737 | &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr, | |
1738 | &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr, | |
1739 | &iio_dev_attr_DAC_internal_Vref.dev_attr.attr, | |
1740 | &iio_dev_attr_VDD.dev_attr.attr, | |
1741 | &iio_dev_attr_in_temp.dev_attr.attr, | |
1742 | &iio_dev_attr_ex_temp_AIN1.dev_attr.attr, | |
1743 | &iio_dev_attr_AIN2.dev_attr.attr, | |
1744 | &iio_dev_attr_AIN3.dev_attr.attr, | |
1745 | &iio_dev_attr_AIN4.dev_attr.attr, | |
1746 | &iio_dev_attr_in_temp_offset.dev_attr.attr, | |
1747 | &iio_dev_attr_ex_temp_offset.dev_attr.attr, | |
1748 | &iio_dev_attr_in_analog_temp_offset.dev_attr.attr, | |
1749 | &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr, | |
1750 | &iio_dev_attr_DAC_A.dev_attr.attr, | |
1751 | &iio_dev_attr_DAC_B.dev_attr.attr, | |
1752 | &iio_dev_attr_DAC_C.dev_attr.attr, | |
1753 | &iio_dev_attr_DAC_D.dev_attr.attr, | |
1754 | &iio_dev_attr_device_id.dev_attr.attr, | |
1755 | &iio_dev_attr_manufactorer_id.dev_attr.attr, | |
1756 | &iio_dev_attr_device_rev.dev_attr.attr, | |
1757 | &iio_dev_attr_bus_type.dev_attr.attr, | |
35f6b6b8 SZ |
1758 | NULL, |
1759 | }; | |
1760 | ||
1761 | static const struct attribute_group adt7516_attribute_group = { | |
1762 | .attrs = adt7516_attributes, | |
1763 | }; | |
1764 | ||
1765 | ||
1766 | /* | |
1767 | * temperature bound events | |
1768 | */ | |
1769 | ||
1770 | #define IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH IIO_BUFFER_EVENT_CODE(0) | |
1771 | #define IIO_EVENT_CODE_ADT7316_IN_TEMP_LOW IIO_BUFFER_EVENT_CODE(1) | |
1772 | #define IIO_EVENT_CODE_ADT7316_EX_TEMP_HIGH IIO_BUFFER_EVENT_CODE(2) | |
1773 | #define IIO_EVENT_CODE_ADT7316_EX_TEMP_LOW IIO_BUFFER_EVENT_CODE(3) | |
1774 | #define IIO_EVENT_CODE_ADT7316_EX_TEMP_FAULT IIO_BUFFER_EVENT_CODE(4) | |
1775 | #define IIO_EVENT_CODE_ADT7516_AIN1 IIO_BUFFER_EVENT_CODE(5) | |
1776 | #define IIO_EVENT_CODE_ADT7516_AIN2 IIO_BUFFER_EVENT_CODE(6) | |
1777 | #define IIO_EVENT_CODE_ADT7516_AIN3 IIO_BUFFER_EVENT_CODE(7) | |
1778 | #define IIO_EVENT_CODE_ADT7516_AIN4 IIO_BUFFER_EVENT_CODE(8) | |
1779 | #define IIO_EVENT_CODE_ADT7316_VDD IIO_BUFFER_EVENT_CODE(9) | |
1780 | ||
90f79e76 | 1781 | static irqreturn_t adt7316_event_handler(int irq, void *private) |
35f6b6b8 | 1782 | { |
90f79e76 JC |
1783 | struct iio_dev *indio_dev = private; |
1784 | struct adt7316_chip_info *chip = iio_dev_get_devdata(indio_dev); | |
35f6b6b8 SZ |
1785 | u8 stat1, stat2; |
1786 | int i, ret, count; | |
1787 | ||
1788 | ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT1, &stat1); | |
1789 | if (!ret) { | |
1790 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
1791 | count = 8; | |
1792 | else | |
1793 | count = 5; | |
1794 | ||
1795 | for (i = 0; i < count; i++) { | |
1796 | if (stat1 & (1 << i)) | |
1797 | iio_push_event(chip->indio_dev, 0, | |
1798 | IIO_EVENT_CODE_ADT7316_IN_TEMP_HIGH + i, | |
90f79e76 | 1799 | iio_get_time_ns()); |
35f6b6b8 SZ |
1800 | } |
1801 | } | |
1802 | ||
1803 | ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT2, &stat2); | |
1804 | if (!ret) { | |
1805 | if (stat2 & ADT7316_INT_MASK2_VDD) | |
1806 | iio_push_event(chip->indio_dev, 0, | |
1807 | IIO_EVENT_CODE_ADT7316_VDD, | |
90f79e76 | 1808 | iio_get_time_ns()); |
35f6b6b8 SZ |
1809 | } |
1810 | ||
90f79e76 | 1811 | return IRQ_HANDLED; |
35f6b6b8 SZ |
1812 | } |
1813 | ||
35f6b6b8 SZ |
1814 | /* |
1815 | * Show mask of enabled interrupts in Hex. | |
1816 | */ | |
1817 | static ssize_t adt7316_show_int_mask(struct device *dev, | |
1818 | struct device_attribute *attr, | |
1819 | char *buf) | |
1820 | { | |
1821 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1822 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1823 | ||
1824 | return sprintf(buf, "0x%x\n", chip->int_mask); | |
1825 | } | |
1826 | ||
1827 | /* | |
1828 | * Set 1 to the mask in Hex to enabled interrupts. | |
1829 | */ | |
1830 | static ssize_t adt7316_set_int_mask(struct device *dev, | |
1831 | struct device_attribute *attr, | |
1832 | const char *buf, | |
1833 | size_t len) | |
1834 | { | |
1835 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1836 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1837 | unsigned long data; | |
1838 | int ret; | |
1839 | u8 mask; | |
1840 | ||
1841 | ret = strict_strtoul(buf, 16, &data); | |
1842 | if (ret || data >= ADT7316_VDD_INT_MASK + 1) | |
1843 | return -EINVAL; | |
1844 | ||
1845 | if (data & ADT7316_VDD_INT_MASK) | |
1846 | mask = 0; /* enable vdd int */ | |
1847 | else | |
1848 | mask = ADT7316_INT_MASK2_VDD; /* disable vdd int */ | |
1849 | ||
1850 | ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK2, mask); | |
1851 | if (!ret) { | |
1852 | chip->int_mask &= ~ADT7316_VDD_INT_MASK; | |
1853 | chip->int_mask |= data & ADT7316_VDD_INT_MASK; | |
1854 | } | |
1855 | ||
1856 | if (data & ADT7316_TEMP_AIN_INT_MASK) { | |
1857 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX) | |
1858 | /* mask in reg is opposite, set 1 to disable */ | |
1859 | mask = (~data) & ADT7316_TEMP_INT_MASK; | |
1860 | else | |
1861 | /* mask in reg is opposite, set 1 to disable */ | |
1862 | mask = (~data) & ADT7316_TEMP_AIN_INT_MASK; | |
1863 | } | |
1864 | ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK1, mask); | |
1865 | ||
1866 | chip->int_mask = mask; | |
1867 | ||
1868 | return len; | |
1869 | } | |
1870 | static inline ssize_t adt7316_show_ad_bound(struct device *dev, | |
1871 | struct device_attribute *attr, | |
35f6b6b8 SZ |
1872 | char *buf) |
1873 | { | |
90f79e76 | 1874 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
35f6b6b8 SZ |
1875 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
1876 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1877 | u8 val; | |
1878 | int data; | |
1879 | int ret; | |
1880 | ||
1881 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX && | |
90f79e76 | 1882 | this_attr->address > ADT7316_EX_TEMP_LOW) |
35f6b6b8 SZ |
1883 | return -EPERM; |
1884 | ||
90f79e76 | 1885 | ret = chip->bus.read(chip->bus.client, this_attr->address, &val); |
35f6b6b8 SZ |
1886 | if (ret) |
1887 | return -EIO; | |
1888 | ||
1889 | data = (int)val; | |
1890 | ||
1891 | if (!((chip->id & ID_FAMILY_MASK) == ID_ADT75XX && | |
1892 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)) { | |
1893 | if (data & 0x80) | |
1894 | data -= 256; | |
1895 | } | |
1896 | ||
1897 | return sprintf(buf, "%d\n", data); | |
1898 | } | |
1899 | ||
1900 | static inline ssize_t adt7316_set_ad_bound(struct device *dev, | |
1901 | struct device_attribute *attr, | |
35f6b6b8 SZ |
1902 | const char *buf, |
1903 | size_t len) | |
1904 | { | |
90f79e76 | 1905 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
35f6b6b8 SZ |
1906 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
1907 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1908 | long data; | |
1909 | u8 val; | |
1910 | int ret; | |
1911 | ||
1912 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX && | |
90f79e76 | 1913 | this_attr->address > ADT7316_EX_TEMP_LOW) |
35f6b6b8 SZ |
1914 | return -EPERM; |
1915 | ||
1916 | ret = strict_strtol(buf, 10, &data); | |
1917 | if (ret) | |
1918 | return -EINVAL; | |
1919 | ||
1920 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX && | |
1921 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) { | |
1922 | if (data > 255 || data < 0) | |
1923 | return -EINVAL; | |
1924 | } else { | |
1925 | if (data > 127 || data < -128) | |
1926 | return -EINVAL; | |
1927 | ||
1928 | if (data < 0) | |
1929 | data += 256; | |
1930 | } | |
1931 | ||
1932 | val = (u8)data; | |
1933 | ||
90f79e76 | 1934 | ret = chip->bus.write(chip->bus.client, this_attr->address, val); |
35f6b6b8 SZ |
1935 | if (ret) |
1936 | return -EIO; | |
1937 | ||
1938 | return len; | |
1939 | } | |
1940 | ||
35f6b6b8 SZ |
1941 | static ssize_t adt7316_show_int_enabled(struct device *dev, |
1942 | struct device_attribute *attr, | |
1943 | char *buf) | |
1944 | { | |
1945 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1946 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1947 | ||
1948 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_INT_EN)); | |
1949 | } | |
1950 | ||
1951 | static ssize_t adt7316_set_int_enabled(struct device *dev, | |
1952 | struct device_attribute *attr, | |
1953 | const char *buf, | |
1954 | size_t len) | |
1955 | { | |
1956 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
1957 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
1958 | u8 config1; | |
1959 | int ret; | |
1960 | ||
1961 | config1 = chip->config1 & (~ADT7316_INT_EN); | |
1962 | if (!memcmp(buf, "1", 1)) | |
1963 | config1 |= ADT7316_INT_EN; | |
1964 | ||
1965 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); | |
1966 | if (ret) | |
1967 | return -EIO; | |
1968 | ||
1969 | chip->config1 = config1; | |
1970 | ||
1971 | return len; | |
1972 | } | |
1973 | ||
90f79e76 JC |
1974 | static IIO_DEVICE_ATTR(int_mask, |
1975 | S_IRUGO | S_IWUSR, | |
1976 | adt7316_show_int_mask, adt7316_set_int_mask, | |
1977 | 0); | |
1978 | static IIO_DEVICE_ATTR(in_temp_high_value, | |
1979 | S_IRUGO | S_IWUSR, | |
1980 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
1981 | ADT7316_IN_TEMP_HIGH); | |
1982 | static IIO_DEVICE_ATTR(in_temp_low_value, | |
1983 | S_IRUGO | S_IWUSR, | |
1984 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
1985 | ADT7316_IN_TEMP_LOW); | |
1986 | static IIO_DEVICE_ATTR(ex_temp_high_value, | |
1987 | S_IRUGO | S_IWUSR, | |
1988 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
1989 | ADT7316_EX_TEMP_HIGH); | |
1990 | static IIO_DEVICE_ATTR(ex_temp_low_value, | |
1991 | S_IRUGO | S_IWUSR, | |
1992 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
1993 | ADT7316_EX_TEMP_LOW); | |
1994 | ||
1995 | /* NASTY duplication to be fixed */ | |
1996 | static IIO_DEVICE_ATTR(ex_temp_ain1_high_value, | |
1997 | S_IRUGO | S_IWUSR, | |
1998 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
1999 | ADT7316_EX_TEMP_HIGH); | |
2000 | static IIO_DEVICE_ATTR(ex_temp_ain1_low_value, | |
2001 | S_IRUGO | S_IWUSR, | |
2002 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2003 | ADT7316_EX_TEMP_LOW); | |
2004 | static IIO_DEVICE_ATTR(ain2_high_value, | |
2005 | S_IRUGO | S_IWUSR, | |
2006 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2007 | ADT7516_AIN2_HIGH); | |
2008 | static IIO_DEVICE_ATTR(ain2_low_value, | |
2009 | S_IRUGO | S_IWUSR, | |
2010 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2011 | ADT7516_AIN2_LOW); | |
2012 | static IIO_DEVICE_ATTR(ain3_high_value, | |
2013 | S_IRUGO | S_IWUSR, | |
2014 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2015 | ADT7516_AIN3_HIGH); | |
2016 | static IIO_DEVICE_ATTR(ain3_low_value, | |
2017 | S_IRUGO | S_IWUSR, | |
2018 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2019 | ADT7516_AIN3_LOW); | |
2020 | static IIO_DEVICE_ATTR(ain4_high_value, | |
2021 | S_IRUGO | S_IWUSR, | |
2022 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2023 | ADT7516_AIN4_HIGH); | |
2024 | static IIO_DEVICE_ATTR(ain4_low_value, | |
2025 | S_IRUGO | S_IWUSR, | |
2026 | adt7316_show_ad_bound, adt7316_set_ad_bound, | |
2027 | ADT7516_AIN4_LOW); | |
2028 | static IIO_DEVICE_ATTR(int_enabled, | |
2029 | S_IRUGO | S_IWUSR, | |
2030 | adt7316_show_int_enabled, | |
2031 | adt7316_set_int_enabled, 0); | |
35f6b6b8 SZ |
2032 | |
2033 | static struct attribute *adt7316_event_attributes[] = { | |
90f79e76 JC |
2034 | &iio_dev_attr_int_mask.dev_attr.attr, |
2035 | &iio_dev_attr_in_temp_high_value.dev_attr.attr, | |
2036 | &iio_dev_attr_in_temp_low_value.dev_attr.attr, | |
2037 | &iio_dev_attr_ex_temp_high_value.dev_attr.attr, | |
2038 | &iio_dev_attr_ex_temp_low_value.dev_attr.attr, | |
2039 | &iio_dev_attr_int_enabled.dev_attr.attr, | |
35f6b6b8 SZ |
2040 | NULL, |
2041 | }; | |
2042 | ||
2043 | static struct attribute_group adt7316_event_attribute_group = { | |
2044 | .attrs = adt7316_event_attributes, | |
2045 | }; | |
2046 | ||
2047 | static struct attribute *adt7516_event_attributes[] = { | |
90f79e76 JC |
2048 | &iio_dev_attr_int_mask.dev_attr.attr, |
2049 | &iio_dev_attr_in_temp_high_value.dev_attr.attr, | |
2050 | &iio_dev_attr_in_temp_low_value.dev_attr.attr, | |
2051 | &iio_dev_attr_ex_temp_ain1_high_value.dev_attr.attr, | |
2052 | &iio_dev_attr_ex_temp_ain1_low_value.dev_attr.attr, | |
2053 | &iio_dev_attr_ain2_high_value.dev_attr.attr, | |
2054 | &iio_dev_attr_ain2_low_value.dev_attr.attr, | |
2055 | &iio_dev_attr_ain3_high_value.dev_attr.attr, | |
2056 | &iio_dev_attr_ain3_low_value.dev_attr.attr, | |
2057 | &iio_dev_attr_ain4_high_value.dev_attr.attr, | |
2058 | &iio_dev_attr_ain4_low_value.dev_attr.attr, | |
2059 | &iio_dev_attr_int_enabled.dev_attr.attr, | |
35f6b6b8 SZ |
2060 | NULL, |
2061 | }; | |
2062 | ||
2063 | static struct attribute_group adt7516_event_attribute_group = { | |
2064 | .attrs = adt7516_event_attributes, | |
2065 | }; | |
2066 | ||
2067 | #ifdef CONFIG_PM | |
2068 | int adt7316_disable(struct device *dev) | |
2069 | { | |
2070 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
2071 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
2072 | ||
2073 | return _adt7316_store_enabled(chip, 0); | |
2074 | } | |
2075 | EXPORT_SYMBOL(adt7316_disable); | |
2076 | ||
2077 | int adt7316_enable(struct device *dev) | |
2078 | { | |
2079 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
2080 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
2081 | ||
2082 | return _adt7316_store_enabled(chip, 1); | |
2083 | } | |
2084 | EXPORT_SYMBOL(adt7316_enable); | |
2085 | #endif | |
2086 | ||
2087 | /* | |
2088 | * device probe and remove | |
2089 | */ | |
2090 | int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus, | |
2091 | const char *name) | |
2092 | { | |
2093 | struct adt7316_chip_info *chip; | |
2094 | unsigned short *adt7316_platform_data = dev->platform_data; | |
2095 | int ret = 0; | |
2096 | ||
2097 | chip = kzalloc(sizeof(struct adt7316_chip_info), GFP_KERNEL); | |
2098 | ||
2099 | if (chip == NULL) | |
2100 | return -ENOMEM; | |
2101 | ||
2102 | /* this is only used for device removal purposes */ | |
2103 | dev_set_drvdata(dev, chip); | |
2104 | ||
2105 | chip->bus = *bus; | |
35f6b6b8 SZ |
2106 | |
2107 | if (name[4] == '3') | |
2108 | chip->id = ID_ADT7316 + (name[6] - '6'); | |
2109 | else if (name[4] == '5') | |
2110 | chip->id = ID_ADT7516 + (name[6] - '6'); | |
2111 | else | |
2112 | return -ENODEV; | |
2113 | ||
2114 | chip->ldac_pin = adt7316_platform_data[1]; | |
2115 | if (chip->ldac_pin) { | |
2116 | chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDCA; | |
2117 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
2118 | chip->config1 |= ADT7516_SEL_AIN3; | |
2119 | } | |
2120 | chip->int_mask = ADT7316_TEMP_INT_MASK | ADT7316_VDD_INT_MASK; | |
2121 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) | |
2122 | chip->int_mask |= ADT7516_AIN_INT_MASK; | |
2123 | ||
6f7c8ee5 | 2124 | chip->indio_dev = iio_allocate_device(0); |
35f6b6b8 SZ |
2125 | if (chip->indio_dev == NULL) { |
2126 | ret = -ENOMEM; | |
2127 | goto error_free_chip; | |
2128 | } | |
2129 | ||
2130 | chip->indio_dev->dev.parent = dev; | |
2131 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) { | |
2132 | chip->indio_dev->attrs = &adt7516_attribute_group; | |
2133 | chip->indio_dev->event_attrs = &adt7516_event_attribute_group; | |
2134 | } else { | |
2135 | chip->indio_dev->attrs = &adt7316_attribute_group; | |
2136 | chip->indio_dev->event_attrs = &adt7316_event_attribute_group; | |
2137 | } | |
845bd12a | 2138 | chip->indio_dev->name = name; |
35f6b6b8 SZ |
2139 | chip->indio_dev->dev_data = (void *)chip; |
2140 | chip->indio_dev->driver_module = THIS_MODULE; | |
2141 | chip->indio_dev->num_interrupt_lines = 1; | |
2142 | chip->indio_dev->modes = INDIO_DIRECT_MODE; | |
2143 | ||
2144 | ret = iio_device_register(chip->indio_dev); | |
2145 | if (ret) | |
2146 | goto error_free_dev; | |
2147 | ||
2148 | if (chip->bus.irq > 0) { | |
2149 | if (adt7316_platform_data[0]) | |
2150 | chip->bus.irq_flags = adt7316_platform_data[0]; | |
2151 | ||
90f79e76 JC |
2152 | ret = request_threaded_irq(chip->bus.irq, |
2153 | NULL, | |
2154 | &adt7316_event_handler, | |
2155 | chip->bus.irq_flags | IRQF_ONESHOT, | |
845bd12a | 2156 | chip->indio_dev->name, |
90f79e76 | 2157 | chip->indio_dev); |
35f6b6b8 SZ |
2158 | if (ret) |
2159 | goto error_unreg_dev; | |
2160 | ||
35f6b6b8 SZ |
2161 | if (chip->bus.irq_flags & IRQF_TRIGGER_HIGH) |
2162 | chip->config1 |= ADT7316_INT_POLARITY; | |
2163 | } | |
2164 | ||
2165 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, chip->config1); | |
2166 | if (ret) { | |
2167 | ret = -EIO; | |
2168 | goto error_unreg_irq; | |
2169 | } | |
2170 | ||
2171 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, chip->config3); | |
2172 | if (ret) { | |
2173 | ret = -EIO; | |
2174 | goto error_unreg_irq; | |
2175 | } | |
2176 | ||
2177 | dev_info(dev, "%s temperature sensor, ADC and DAC registered.\n", | |
845bd12a | 2178 | chip->indio_dev->name); |
35f6b6b8 SZ |
2179 | |
2180 | return 0; | |
2181 | ||
2182 | error_unreg_irq: | |
90f79e76 | 2183 | free_irq(chip->bus.irq, chip->indio_dev); |
35f6b6b8 SZ |
2184 | error_unreg_dev: |
2185 | iio_device_unregister(chip->indio_dev); | |
2186 | error_free_dev: | |
2187 | iio_free_device(chip->indio_dev); | |
2188 | error_free_chip: | |
2189 | kfree(chip); | |
2190 | ||
2191 | return ret; | |
2192 | } | |
2193 | EXPORT_SYMBOL(adt7316_probe); | |
2194 | ||
2195 | int __devexit adt7316_remove(struct device *dev) | |
2196 | { | |
2197 | ||
2198 | struct iio_dev *dev_info = dev_get_drvdata(dev); | |
2199 | struct adt7316_chip_info *chip = dev_info->dev_data; | |
35f6b6b8 SZ |
2200 | |
2201 | dev_set_drvdata(dev, NULL); | |
2202 | if (chip->bus.irq) | |
90f79e76 JC |
2203 | free_irq(chip->bus.irq, chip->indio_dev); |
2204 | iio_device_unregister(chip->indio_dev); | |
35f6b6b8 SZ |
2205 | iio_free_device(chip->indio_dev); |
2206 | kfree(chip); | |
2207 | ||
2208 | return 0; | |
2209 | } | |
2210 | EXPORT_SYMBOL(adt7316_remove); | |
2211 | ||
2212 | MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>"); | |
2213 | MODULE_DESCRIPTION("Analog Devices ADT7316/7/8 and ADT7516/7/9 digital" | |
2214 | " temperature sensor, ADC and DAC driver"); | |
2215 | MODULE_LICENSE("GPL v2"); |