Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 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> |
Paul Gortmaker | 99c9785 | 2011-07-03 15:49:50 -0400 | [diff] [blame] | 20 | #include <linux/module.h> |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 21 | |
| 22 | #include "../iio.h" |
Jonathan Cameron | af5046a | 2011-10-26 17:41:32 +0100 | [diff] [blame^] | 23 | #include "../events.h" |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 24 | #include "../sysfs.h" |
| 25 | #include "adt7316.h" |
| 26 | |
| 27 | /* |
| 28 | * ADT7316 registers definition |
| 29 | */ |
| 30 | #define ADT7316_INT_STAT1 0x0 |
| 31 | #define ADT7316_INT_STAT2 0x1 |
| 32 | #define ADT7316_LSB_IN_TEMP_VDD 0x3 |
| 33 | #define ADT7316_LSB_IN_TEMP_MASK 0x3 |
| 34 | #define ADT7316_LSB_VDD_MASK 0xC |
| 35 | #define ADT7316_LSB_VDD_OFFSET 2 |
| 36 | #define ADT7316_LSB_EX_TEMP_AIN 0x4 |
| 37 | #define ADT7316_LSB_EX_TEMP_MASK 0x3 |
| 38 | #define ADT7516_LSB_AIN_SHIFT 2 |
| 39 | #define ADT7316_AD_MSB_DATA_BASE 0x6 |
| 40 | #define ADT7316_AD_MSB_DATA_REGS 3 |
| 41 | #define ADT7516_AD_MSB_DATA_REGS 6 |
| 42 | #define ADT7316_MSB_VDD 0x6 |
| 43 | #define ADT7316_MSB_IN_TEMP 0x7 |
| 44 | #define ADT7316_MSB_EX_TEMP 0x8 |
| 45 | #define ADT7516_MSB_AIN1 0x8 |
| 46 | #define ADT7516_MSB_AIN2 0x9 |
| 47 | #define ADT7516_MSB_AIN3 0xA |
| 48 | #define ADT7516_MSB_AIN4 0xB |
| 49 | #define ADT7316_DA_DATA_BASE 0x10 |
| 50 | #define ADT7316_DA_MSB_DATA_REGS 4 |
| 51 | #define ADT7316_LSB_DAC_A 0x10 |
| 52 | #define ADT7316_MSB_DAC_A 0x11 |
| 53 | #define ADT7316_LSB_DAC_B 0x12 |
| 54 | #define ADT7316_MSB_DAC_B 0x13 |
| 55 | #define ADT7316_LSB_DAC_C 0x14 |
| 56 | #define ADT7316_MSB_DAC_C 0x15 |
| 57 | #define ADT7316_LSB_DAC_D 0x16 |
| 58 | #define ADT7316_MSB_DAC_D 0x17 |
| 59 | #define ADT7316_CONFIG1 0x18 |
| 60 | #define ADT7316_CONFIG2 0x19 |
| 61 | #define ADT7316_CONFIG3 0x1A |
| 62 | #define ADT7316_LDAC_CONFIG 0x1B |
| 63 | #define ADT7316_DAC_CONFIG 0x1C |
| 64 | #define ADT7316_INT_MASK1 0x1D |
| 65 | #define ADT7316_INT_MASK2 0x1E |
| 66 | #define ADT7316_IN_TEMP_OFFSET 0x1F |
| 67 | #define ADT7316_EX_TEMP_OFFSET 0x20 |
| 68 | #define ADT7316_IN_ANALOG_TEMP_OFFSET 0x21 |
| 69 | #define ADT7316_EX_ANALOG_TEMP_OFFSET 0x22 |
| 70 | #define ADT7316_VDD_HIGH 0x23 |
| 71 | #define ADT7316_VDD_LOW 0x24 |
| 72 | #define ADT7316_IN_TEMP_HIGH 0x25 |
| 73 | #define ADT7316_IN_TEMP_LOW 0x26 |
| 74 | #define ADT7316_EX_TEMP_HIGH 0x27 |
| 75 | #define ADT7316_EX_TEMP_LOW 0x28 |
| 76 | #define ADT7516_AIN2_HIGH 0x2B |
| 77 | #define ADT7516_AIN2_LOW 0x2C |
| 78 | #define ADT7516_AIN3_HIGH 0x2D |
| 79 | #define ADT7516_AIN3_LOW 0x2E |
| 80 | #define ADT7516_AIN4_HIGH 0x2F |
| 81 | #define ADT7516_AIN4_LOW 0x30 |
| 82 | #define ADT7316_DEVICE_ID 0x4D |
| 83 | #define ADT7316_MANUFACTURE_ID 0x4E |
| 84 | #define ADT7316_DEVICE_REV 0x4F |
| 85 | #define ADT7316_SPI_LOCK_STAT 0x7F |
| 86 | |
| 87 | /* |
| 88 | * ADT7316 config1 |
| 89 | */ |
| 90 | #define ADT7316_EN 0x1 |
| 91 | #define ADT7516_SEL_EX_TEMP 0x4 |
| 92 | #define ADT7516_SEL_AIN1_2_EX_TEMP_MASK 0x6 |
| 93 | #define ADT7516_SEL_AIN3 0x8 |
| 94 | #define ADT7316_INT_EN 0x20 |
| 95 | #define ADT7316_INT_POLARITY 0x40 |
| 96 | #define ADT7316_PD 0x80 |
| 97 | |
| 98 | /* |
| 99 | * ADT7316 config2 |
| 100 | */ |
| 101 | #define ADT7316_AD_SINGLE_CH_MASK 0x3 |
| 102 | #define ADT7516_AD_SINGLE_CH_MASK 0x7 |
| 103 | #define ADT7316_AD_SINGLE_CH_VDD 0 |
| 104 | #define ADT7316_AD_SINGLE_CH_IN 1 |
| 105 | #define ADT7316_AD_SINGLE_CH_EX 2 |
| 106 | #define ADT7516_AD_SINGLE_CH_AIN1 2 |
| 107 | #define ADT7516_AD_SINGLE_CH_AIN2 3 |
| 108 | #define ADT7516_AD_SINGLE_CH_AIN3 4 |
| 109 | #define ADT7516_AD_SINGLE_CH_AIN4 5 |
| 110 | #define ADT7316_AD_SINGLE_CH_MODE 0x10 |
| 111 | #define ADT7316_DISABLE_AVERAGING 0x20 |
| 112 | #define ADT7316_EN_SMBUS_TIMEOUT 0x40 |
| 113 | #define ADT7316_RESET 0x80 |
| 114 | |
| 115 | /* |
| 116 | * ADT7316 config3 |
| 117 | */ |
| 118 | #define ADT7316_ADCLK_22_5 0x1 |
| 119 | #define ADT7316_DA_HIGH_RESOLUTION 0x2 |
| 120 | #define ADT7316_DA_EN_VIA_DAC_LDCA 0x4 |
| 121 | #define ADT7516_AIN_IN_VREF 0x10 |
| 122 | #define ADT7316_EN_IN_TEMP_PROP_DACA 0x20 |
| 123 | #define ADT7316_EN_EX_TEMP_PROP_DACB 0x40 |
| 124 | |
| 125 | /* |
| 126 | * ADT7316 DAC config |
| 127 | */ |
| 128 | #define ADT7316_DA_2VREF_CH_MASK 0xF |
| 129 | #define ADT7316_DA_EN_MODE_MASK 0x30 |
| 130 | #define ADT7316_DA_EN_MODE_SINGLE 0x00 |
| 131 | #define ADT7316_DA_EN_MODE_AB_CD 0x10 |
| 132 | #define ADT7316_DA_EN_MODE_ABCD 0x20 |
| 133 | #define ADT7316_DA_EN_MODE_LDAC 0x30 |
| 134 | #define ADT7316_VREF_BYPASS_DAC_AB 0x40 |
| 135 | #define ADT7316_VREF_BYPASS_DAC_CD 0x80 |
| 136 | |
| 137 | /* |
| 138 | * ADT7316 LDAC config |
| 139 | */ |
| 140 | #define ADT7316_LDAC_EN_DA_MASK 0xF |
| 141 | #define ADT7316_DAC_IN_VREF 0x10 |
| 142 | #define ADT7516_DAC_AB_IN_VREF 0x10 |
| 143 | #define ADT7516_DAC_CD_IN_VREF 0x20 |
| 144 | #define ADT7516_DAC_IN_VREF_OFFSET 4 |
| 145 | #define ADT7516_DAC_IN_VREF_MASK 0x30 |
| 146 | |
| 147 | /* |
| 148 | * ADT7316 INT_MASK2 |
| 149 | */ |
| 150 | #define ADT7316_INT_MASK2_VDD 0x10 |
| 151 | |
| 152 | /* |
| 153 | * ADT7316 value masks |
| 154 | */ |
| 155 | #define ADT7316_VALUE_MASK 0xfff |
| 156 | #define ADT7316_T_VALUE_SIGN 0x400 |
| 157 | #define ADT7316_T_VALUE_FLOAT_OFFSET 2 |
| 158 | #define ADT7316_T_VALUE_FLOAT_MASK 0x2 |
| 159 | |
| 160 | /* |
| 161 | * Chip ID |
| 162 | */ |
| 163 | #define ID_ADT7316 0x1 |
| 164 | #define ID_ADT7317 0x2 |
| 165 | #define ID_ADT7318 0x3 |
| 166 | #define ID_ADT7516 0x11 |
| 167 | #define ID_ADT7517 0x12 |
| 168 | #define ID_ADT7519 0x14 |
| 169 | |
| 170 | #define ID_FAMILY_MASK 0xF0 |
| 171 | #define ID_ADT73XX 0x0 |
| 172 | #define ID_ADT75XX 0x10 |
| 173 | |
| 174 | /* |
| 175 | * struct adt7316_chip_info - chip specifc information |
| 176 | */ |
| 177 | |
| 178 | struct adt7316_chip_info { |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 179 | struct adt7316_bus bus; |
| 180 | u16 ldac_pin; |
| 181 | u16 int_mask; /* 0x2f */ |
| 182 | u8 config1; |
| 183 | u8 config2; |
| 184 | u8 config3; |
| 185 | u8 dac_config; /* DAC config */ |
| 186 | u8 ldac_config; /* LDAC config */ |
| 187 | u8 dac_bits; /* 8, 10, 12 */ |
| 188 | u8 id; /* chip id */ |
| 189 | }; |
| 190 | |
| 191 | /* |
| 192 | * Logic interrupt mask for user application to enable |
| 193 | * interrupts. |
| 194 | */ |
| 195 | #define ADT7316_IN_TEMP_HIGH_INT_MASK 0x1 |
| 196 | #define ADT7316_IN_TEMP_LOW_INT_MASK 0x2 |
| 197 | #define ADT7316_EX_TEMP_HIGH_INT_MASK 0x4 |
| 198 | #define ADT7316_EX_TEMP_LOW_INT_MASK 0x8 |
| 199 | #define ADT7316_EX_TEMP_FAULT_INT_MASK 0x10 |
| 200 | #define ADT7516_AIN1_INT_MASK 0x4 |
| 201 | #define ADT7516_AIN2_INT_MASK 0x20 |
| 202 | #define ADT7516_AIN3_INT_MASK 0x40 |
| 203 | #define ADT7516_AIN4_INT_MASK 0x80 |
| 204 | #define ADT7316_VDD_INT_MASK 0x100 |
| 205 | #define ADT7316_TEMP_INT_MASK 0x1F |
| 206 | #define ADT7516_AIN_INT_MASK 0xE0 |
| 207 | #define ADT7316_TEMP_AIN_INT_MASK \ |
Jonathan Cameron | 8df3223 | 2011-08-12 16:55:32 +0100 | [diff] [blame] | 208 | (ADT7316_TEMP_INT_MASK) |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 209 | |
| 210 | /* |
| 211 | * struct adt7316_chip_info - chip specifc information |
| 212 | */ |
| 213 | |
| 214 | struct adt7316_limit_regs { |
| 215 | u16 data_high; |
| 216 | u16 data_low; |
| 217 | }; |
| 218 | |
| 219 | static ssize_t adt7316_show_enabled(struct device *dev, |
| 220 | struct device_attribute *attr, |
| 221 | char *buf) |
| 222 | { |
| 223 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 224 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 225 | |
| 226 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_EN)); |
| 227 | } |
| 228 | |
| 229 | static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip, |
| 230 | int enable) |
| 231 | { |
| 232 | u8 config1; |
| 233 | int ret; |
| 234 | |
| 235 | if (enable) |
| 236 | config1 = chip->config1 | ADT7316_EN; |
| 237 | else |
| 238 | config1 = chip->config1 & ~ADT7316_EN; |
| 239 | |
| 240 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); |
| 241 | if (ret) |
| 242 | return -EIO; |
| 243 | |
| 244 | chip->config1 = config1; |
| 245 | |
| 246 | return ret; |
| 247 | |
| 248 | } |
| 249 | |
| 250 | static ssize_t adt7316_store_enabled(struct device *dev, |
| 251 | struct device_attribute *attr, |
| 252 | const char *buf, |
| 253 | size_t len) |
| 254 | { |
| 255 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 256 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 257 | int enable; |
| 258 | |
| 259 | if (!memcmp(buf, "1", 1)) |
| 260 | enable = 1; |
| 261 | else |
| 262 | enable = 0; |
| 263 | |
| 264 | if (_adt7316_store_enabled(chip, enable) < 0) |
| 265 | return -EIO; |
| 266 | else |
| 267 | return len; |
| 268 | } |
| 269 | |
| 270 | static IIO_DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, |
| 271 | adt7316_show_enabled, |
| 272 | adt7316_store_enabled, |
| 273 | 0); |
| 274 | |
| 275 | static ssize_t adt7316_show_select_ex_temp(struct device *dev, |
| 276 | struct device_attribute *attr, |
| 277 | char *buf) |
| 278 | { |
| 279 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 280 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 281 | |
| 282 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) |
| 283 | return -EPERM; |
| 284 | |
| 285 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7516_SEL_EX_TEMP)); |
| 286 | } |
| 287 | |
| 288 | static ssize_t adt7316_store_select_ex_temp(struct device *dev, |
| 289 | struct device_attribute *attr, |
| 290 | const char *buf, |
| 291 | size_t len) |
| 292 | { |
| 293 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 294 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 295 | u8 config1; |
| 296 | int ret; |
| 297 | |
| 298 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) |
| 299 | return -EPERM; |
| 300 | |
| 301 | config1 = chip->config1 & (~ADT7516_SEL_EX_TEMP); |
| 302 | if (!memcmp(buf, "1", 1)) |
| 303 | config1 |= ADT7516_SEL_EX_TEMP; |
| 304 | |
| 305 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); |
| 306 | if (ret) |
| 307 | return -EIO; |
| 308 | |
| 309 | chip->config1 = config1; |
| 310 | |
| 311 | return len; |
| 312 | } |
| 313 | |
| 314 | static IIO_DEVICE_ATTR(select_ex_temp, S_IRUGO | S_IWUSR, |
| 315 | adt7316_show_select_ex_temp, |
| 316 | adt7316_store_select_ex_temp, |
| 317 | 0); |
| 318 | |
| 319 | static ssize_t adt7316_show_mode(struct device *dev, |
| 320 | struct device_attribute *attr, |
| 321 | char *buf) |
| 322 | { |
| 323 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 324 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 325 | |
| 326 | if (chip->config2 & ADT7316_AD_SINGLE_CH_MODE) |
| 327 | return sprintf(buf, "single_channel\n"); |
| 328 | else |
| 329 | return sprintf(buf, "round_robin\n"); |
| 330 | } |
| 331 | |
| 332 | static ssize_t adt7316_store_mode(struct device *dev, |
| 333 | struct device_attribute *attr, |
| 334 | const char *buf, |
| 335 | size_t len) |
| 336 | { |
| 337 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 338 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 339 | u8 config2; |
| 340 | int ret; |
| 341 | |
| 342 | config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MODE); |
| 343 | if (!memcmp(buf, "single_channel", 14)) |
| 344 | config2 |= ADT7316_AD_SINGLE_CH_MODE; |
| 345 | |
| 346 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); |
| 347 | if (ret) |
| 348 | return -EIO; |
| 349 | |
| 350 | chip->config2 = config2; |
| 351 | |
| 352 | return len; |
| 353 | } |
| 354 | |
| 355 | static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, |
| 356 | adt7316_show_mode, |
| 357 | adt7316_store_mode, |
| 358 | 0); |
| 359 | |
| 360 | static ssize_t adt7316_show_all_modes(struct device *dev, |
| 361 | struct device_attribute *attr, |
| 362 | char *buf) |
| 363 | { |
| 364 | return sprintf(buf, "single_channel\nround_robin\n"); |
| 365 | } |
| 366 | |
| 367 | static IIO_DEVICE_ATTR(all_modes, S_IRUGO, adt7316_show_all_modes, NULL, 0); |
| 368 | |
| 369 | static ssize_t adt7316_show_ad_channel(struct device *dev, |
| 370 | struct device_attribute *attr, |
| 371 | char *buf) |
| 372 | { |
| 373 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 374 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 375 | |
| 376 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) |
| 377 | return -EPERM; |
| 378 | |
| 379 | switch (chip->config2 & ADT7516_AD_SINGLE_CH_MASK) { |
| 380 | case ADT7316_AD_SINGLE_CH_VDD: |
| 381 | return sprintf(buf, "0 - VDD\n"); |
| 382 | case ADT7316_AD_SINGLE_CH_IN: |
| 383 | return sprintf(buf, "1 - Internal Temperature\n"); |
| 384 | case ADT7316_AD_SINGLE_CH_EX: |
| 385 | if (((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) && |
| 386 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) |
| 387 | return sprintf(buf, "2 - AIN1\n"); |
| 388 | else |
| 389 | return sprintf(buf, "2 - External Temperature\n"); |
| 390 | case ADT7516_AD_SINGLE_CH_AIN2: |
| 391 | if ((chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) |
| 392 | return sprintf(buf, "3 - AIN2\n"); |
| 393 | else |
| 394 | return sprintf(buf, "N/A\n"); |
| 395 | case ADT7516_AD_SINGLE_CH_AIN3: |
| 396 | if (chip->config1 & ADT7516_SEL_AIN3) |
| 397 | return sprintf(buf, "4 - AIN3\n"); |
| 398 | else |
| 399 | return sprintf(buf, "N/A\n"); |
| 400 | case ADT7516_AD_SINGLE_CH_AIN4: |
| 401 | return sprintf(buf, "5 - AIN4\n"); |
| 402 | default: |
| 403 | return sprintf(buf, "N/A\n"); |
Joe Perches | 95cd17c | 2011-04-10 14:31:35 -0700 | [diff] [blame] | 404 | } |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | static ssize_t adt7316_store_ad_channel(struct device *dev, |
| 408 | struct device_attribute *attr, |
| 409 | const char *buf, |
| 410 | size_t len) |
| 411 | { |
| 412 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 413 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 414 | u8 config2; |
| 415 | unsigned long data = 0; |
| 416 | int ret; |
| 417 | |
| 418 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) |
| 419 | return -EPERM; |
| 420 | |
| 421 | ret = strict_strtoul(buf, 10, &data); |
| 422 | if (ret) |
| 423 | return -EINVAL; |
| 424 | |
| 425 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) { |
| 426 | if (data > 5) |
| 427 | return -EINVAL; |
| 428 | |
| 429 | config2 = chip->config2 & (~ADT7516_AD_SINGLE_CH_MASK); |
| 430 | } else { |
| 431 | if (data > 2) |
| 432 | return -EINVAL; |
| 433 | |
| 434 | config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MASK); |
| 435 | } |
| 436 | |
| 437 | |
| 438 | config2 |= data; |
| 439 | |
| 440 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); |
| 441 | if (ret) |
| 442 | return -EIO; |
| 443 | |
| 444 | chip->config2 = config2; |
| 445 | |
| 446 | return len; |
| 447 | } |
| 448 | |
| 449 | static IIO_DEVICE_ATTR(ad_channel, S_IRUGO | S_IWUSR, |
| 450 | adt7316_show_ad_channel, |
| 451 | adt7316_store_ad_channel, |
| 452 | 0); |
| 453 | |
| 454 | static ssize_t adt7316_show_all_ad_channels(struct device *dev, |
| 455 | struct device_attribute *attr, |
| 456 | char *buf) |
| 457 | { |
| 458 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 459 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 460 | |
| 461 | if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE)) |
| 462 | return -EPERM; |
| 463 | |
| 464 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 465 | return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 466 | "2 - External Temperature or AIN1\n" |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 467 | "3 - AIN2\n4 - AIN3\n5 - AIN4\n"); |
| 468 | else |
| 469 | return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n" |
| 470 | "2 - External Temperature\n"); |
| 471 | } |
| 472 | |
| 473 | static IIO_DEVICE_ATTR(all_ad_channels, S_IRUGO, |
| 474 | adt7316_show_all_ad_channels, NULL, 0); |
| 475 | |
| 476 | static ssize_t adt7316_show_disable_averaging(struct device *dev, |
| 477 | struct device_attribute *attr, |
| 478 | char *buf) |
| 479 | { |
| 480 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 481 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 482 | |
| 483 | return sprintf(buf, "%d\n", |
| 484 | !!(chip->config2 & ADT7316_DISABLE_AVERAGING)); |
| 485 | } |
| 486 | |
| 487 | static ssize_t adt7316_store_disable_averaging(struct device *dev, |
| 488 | struct device_attribute *attr, |
| 489 | const char *buf, |
| 490 | size_t len) |
| 491 | { |
| 492 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 493 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 494 | u8 config2; |
| 495 | int ret; |
| 496 | |
| 497 | config2 = chip->config2 & (~ADT7316_DISABLE_AVERAGING); |
| 498 | if (!memcmp(buf, "1", 1)) |
| 499 | config2 |= ADT7316_DISABLE_AVERAGING; |
| 500 | |
| 501 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); |
| 502 | if (ret) |
| 503 | return -EIO; |
| 504 | |
| 505 | chip->config2 = config2; |
| 506 | |
| 507 | return len; |
| 508 | } |
| 509 | |
| 510 | static IIO_DEVICE_ATTR(disable_averaging, S_IRUGO | S_IWUSR, |
| 511 | adt7316_show_disable_averaging, |
| 512 | adt7316_store_disable_averaging, |
| 513 | 0); |
| 514 | |
| 515 | static ssize_t adt7316_show_enable_smbus_timeout(struct device *dev, |
| 516 | struct device_attribute *attr, |
| 517 | char *buf) |
| 518 | { |
| 519 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 520 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 521 | |
| 522 | return sprintf(buf, "%d\n", |
| 523 | !!(chip->config2 & ADT7316_EN_SMBUS_TIMEOUT)); |
| 524 | } |
| 525 | |
| 526 | static ssize_t adt7316_store_enable_smbus_timeout(struct device *dev, |
| 527 | struct device_attribute *attr, |
| 528 | const char *buf, |
| 529 | size_t len) |
| 530 | { |
| 531 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 532 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 533 | u8 config2; |
| 534 | int ret; |
| 535 | |
| 536 | config2 = chip->config2 & (~ADT7316_EN_SMBUS_TIMEOUT); |
| 537 | if (!memcmp(buf, "1", 1)) |
| 538 | config2 |= ADT7316_EN_SMBUS_TIMEOUT; |
| 539 | |
| 540 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); |
| 541 | if (ret) |
| 542 | return -EIO; |
| 543 | |
| 544 | chip->config2 = config2; |
| 545 | |
| 546 | return len; |
| 547 | } |
| 548 | |
| 549 | static IIO_DEVICE_ATTR(enable_smbus_timeout, S_IRUGO | S_IWUSR, |
| 550 | adt7316_show_enable_smbus_timeout, |
| 551 | adt7316_store_enable_smbus_timeout, |
| 552 | 0); |
| 553 | |
| 554 | |
| 555 | static ssize_t adt7316_store_reset(struct device *dev, |
| 556 | struct device_attribute *attr, |
| 557 | const char *buf, |
| 558 | size_t len) |
| 559 | { |
| 560 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 561 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 562 | u8 config2; |
| 563 | int ret; |
| 564 | |
| 565 | config2 = chip->config2 | ADT7316_RESET; |
| 566 | |
| 567 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2); |
| 568 | if (ret) |
| 569 | return -EIO; |
| 570 | |
| 571 | return len; |
| 572 | } |
| 573 | |
| 574 | static IIO_DEVICE_ATTR(reset, S_IWUSR, |
| 575 | NULL, |
| 576 | adt7316_store_reset, |
| 577 | 0); |
| 578 | |
| 579 | static ssize_t adt7316_show_powerdown(struct device *dev, |
| 580 | struct device_attribute *attr, |
| 581 | char *buf) |
| 582 | { |
| 583 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 584 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 585 | |
| 586 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_PD)); |
| 587 | } |
| 588 | |
| 589 | static ssize_t adt7316_store_powerdown(struct device *dev, |
| 590 | struct device_attribute *attr, |
| 591 | const char *buf, |
| 592 | size_t len) |
| 593 | { |
| 594 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 595 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 596 | u8 config1; |
| 597 | int ret; |
| 598 | |
| 599 | config1 = chip->config1 & (~ADT7316_PD); |
| 600 | if (!memcmp(buf, "1", 1)) |
| 601 | config1 |= ADT7316_PD; |
| 602 | |
| 603 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); |
| 604 | if (ret) |
| 605 | return -EIO; |
| 606 | |
| 607 | chip->config1 = config1; |
| 608 | |
| 609 | return len; |
| 610 | } |
| 611 | |
| 612 | static IIO_DEVICE_ATTR(powerdown, S_IRUGO | S_IWUSR, |
| 613 | adt7316_show_powerdown, |
| 614 | adt7316_store_powerdown, |
| 615 | 0); |
| 616 | |
| 617 | static ssize_t adt7316_show_fast_ad_clock(struct device *dev, |
| 618 | struct device_attribute *attr, |
| 619 | char *buf) |
| 620 | { |
| 621 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 622 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 623 | |
| 624 | return sprintf(buf, "%d\n", !!(chip->config3 & ADT7316_ADCLK_22_5)); |
| 625 | } |
| 626 | |
| 627 | static ssize_t adt7316_store_fast_ad_clock(struct device *dev, |
| 628 | struct device_attribute *attr, |
| 629 | const char *buf, |
| 630 | size_t len) |
| 631 | { |
| 632 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 633 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 634 | u8 config3; |
| 635 | int ret; |
| 636 | |
| 637 | config3 = chip->config3 & (~ADT7316_ADCLK_22_5); |
| 638 | if (!memcmp(buf, "1", 1)) |
| 639 | config3 |= ADT7316_ADCLK_22_5; |
| 640 | |
| 641 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); |
| 642 | if (ret) |
| 643 | return -EIO; |
| 644 | |
| 645 | chip->config3 = config3; |
| 646 | |
| 647 | return len; |
| 648 | } |
| 649 | |
| 650 | static IIO_DEVICE_ATTR(fast_ad_clock, S_IRUGO | S_IWUSR, |
| 651 | adt7316_show_fast_ad_clock, |
| 652 | adt7316_store_fast_ad_clock, |
| 653 | 0); |
| 654 | |
| 655 | static ssize_t adt7316_show_da_high_resolution(struct device *dev, |
| 656 | struct device_attribute *attr, |
| 657 | char *buf) |
| 658 | { |
| 659 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 660 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 661 | |
| 662 | if (chip->config3 & ADT7316_DA_HIGH_RESOLUTION) { |
| 663 | if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516) |
| 664 | return sprintf(buf, "1 (12 bits)\n"); |
| 665 | else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517) |
| 666 | return sprintf(buf, "1 (10 bits)\n"); |
| 667 | } |
| 668 | |
| 669 | return sprintf(buf, "0 (8 bits)\n"); |
| 670 | } |
| 671 | |
| 672 | static ssize_t adt7316_store_da_high_resolution(struct device *dev, |
| 673 | struct device_attribute *attr, |
| 674 | const char *buf, |
| 675 | size_t len) |
| 676 | { |
| 677 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 678 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 679 | u8 config3; |
| 680 | int ret; |
| 681 | |
| 682 | chip->dac_bits = 8; |
| 683 | |
| 684 | if (!memcmp(buf, "1", 1)) { |
| 685 | config3 = chip->config3 | ADT7316_DA_HIGH_RESOLUTION; |
| 686 | if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516) |
| 687 | chip->dac_bits = 12; |
| 688 | else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517) |
| 689 | chip->dac_bits = 10; |
| 690 | } else |
| 691 | config3 = chip->config3 & (~ADT7316_DA_HIGH_RESOLUTION); |
| 692 | |
| 693 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); |
| 694 | if (ret) |
| 695 | return -EIO; |
| 696 | |
| 697 | chip->config3 = config3; |
| 698 | |
| 699 | return len; |
| 700 | } |
| 701 | |
| 702 | static IIO_DEVICE_ATTR(da_high_resolution, S_IRUGO | S_IWUSR, |
| 703 | adt7316_show_da_high_resolution, |
| 704 | adt7316_store_da_high_resolution, |
| 705 | 0); |
| 706 | |
| 707 | static ssize_t adt7316_show_AIN_internal_Vref(struct device *dev, |
| 708 | struct device_attribute *attr, |
| 709 | char *buf) |
| 710 | { |
| 711 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 712 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 713 | |
| 714 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) |
| 715 | return -EPERM; |
| 716 | |
| 717 | return sprintf(buf, "%d\n", |
| 718 | !!(chip->config3 & ADT7516_AIN_IN_VREF)); |
| 719 | } |
| 720 | |
| 721 | static ssize_t adt7316_store_AIN_internal_Vref(struct device *dev, |
| 722 | struct device_attribute *attr, |
| 723 | const char *buf, |
| 724 | size_t len) |
| 725 | { |
| 726 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 727 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 728 | u8 config3; |
| 729 | int ret; |
| 730 | |
| 731 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) |
| 732 | return -EPERM; |
| 733 | |
| 734 | if (memcmp(buf, "1", 1)) |
| 735 | config3 = chip->config3 & (~ADT7516_AIN_IN_VREF); |
| 736 | else |
| 737 | config3 = chip->config3 | ADT7516_AIN_IN_VREF; |
| 738 | |
| 739 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); |
| 740 | if (ret) |
| 741 | return -EIO; |
| 742 | |
| 743 | chip->config3 = config3; |
| 744 | |
| 745 | return len; |
| 746 | } |
| 747 | |
| 748 | static IIO_DEVICE_ATTR(AIN_internal_Vref, S_IRUGO | S_IWUSR, |
| 749 | adt7316_show_AIN_internal_Vref, |
| 750 | adt7316_store_AIN_internal_Vref, |
| 751 | 0); |
| 752 | |
| 753 | |
| 754 | static ssize_t adt7316_show_enable_prop_DACA(struct device *dev, |
| 755 | struct device_attribute *attr, |
| 756 | char *buf) |
| 757 | { |
| 758 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 759 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 760 | |
| 761 | return sprintf(buf, "%d\n", |
| 762 | !!(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)); |
| 763 | } |
| 764 | |
| 765 | static ssize_t adt7316_store_enable_prop_DACA(struct device *dev, |
| 766 | struct device_attribute *attr, |
| 767 | const char *buf, |
| 768 | size_t len) |
| 769 | { |
| 770 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 771 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 772 | u8 config3; |
| 773 | int ret; |
| 774 | |
| 775 | config3 = chip->config3 & (~ADT7316_EN_IN_TEMP_PROP_DACA); |
| 776 | if (!memcmp(buf, "1", 1)) |
| 777 | config3 |= ADT7316_EN_IN_TEMP_PROP_DACA; |
| 778 | |
| 779 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); |
| 780 | if (ret) |
| 781 | return -EIO; |
| 782 | |
| 783 | chip->config3 = config3; |
| 784 | |
| 785 | return len; |
| 786 | } |
| 787 | |
| 788 | static IIO_DEVICE_ATTR(enable_proportion_DACA, S_IRUGO | S_IWUSR, |
| 789 | adt7316_show_enable_prop_DACA, |
| 790 | adt7316_store_enable_prop_DACA, |
| 791 | 0); |
| 792 | |
| 793 | static ssize_t adt7316_show_enable_prop_DACB(struct device *dev, |
| 794 | struct device_attribute *attr, |
| 795 | char *buf) |
| 796 | { |
| 797 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 798 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 799 | |
| 800 | return sprintf(buf, "%d\n", |
| 801 | !!(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)); |
| 802 | } |
| 803 | |
| 804 | static ssize_t adt7316_store_enable_prop_DACB(struct device *dev, |
| 805 | struct device_attribute *attr, |
| 806 | const char *buf, |
| 807 | size_t len) |
| 808 | { |
| 809 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 810 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 811 | u8 config3; |
| 812 | int ret; |
| 813 | |
| 814 | config3 = chip->config3 & (~ADT7316_EN_EX_TEMP_PROP_DACB); |
| 815 | if (!memcmp(buf, "1", 1)) |
| 816 | config3 |= ADT7316_EN_EX_TEMP_PROP_DACB; |
| 817 | |
| 818 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3); |
| 819 | if (ret) |
| 820 | return -EIO; |
| 821 | |
| 822 | chip->config3 = config3; |
| 823 | |
| 824 | return len; |
| 825 | } |
| 826 | |
| 827 | static IIO_DEVICE_ATTR(enable_proportion_DACB, S_IRUGO | S_IWUSR, |
| 828 | adt7316_show_enable_prop_DACB, |
| 829 | adt7316_store_enable_prop_DACB, |
| 830 | 0); |
| 831 | |
| 832 | static ssize_t adt7316_show_DAC_2Vref_ch_mask(struct device *dev, |
| 833 | struct device_attribute *attr, |
| 834 | char *buf) |
| 835 | { |
| 836 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 837 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 838 | |
| 839 | return sprintf(buf, "0x%x\n", |
| 840 | chip->dac_config & ADT7316_DA_2VREF_CH_MASK); |
| 841 | } |
| 842 | |
| 843 | static ssize_t adt7316_store_DAC_2Vref_ch_mask(struct device *dev, |
| 844 | struct device_attribute *attr, |
| 845 | const char *buf, |
| 846 | size_t len) |
| 847 | { |
| 848 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 849 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 850 | u8 dac_config; |
| 851 | unsigned long data = 0; |
| 852 | int ret; |
| 853 | |
| 854 | ret = strict_strtoul(buf, 16, &data); |
| 855 | if (ret || data > ADT7316_DA_2VREF_CH_MASK) |
| 856 | return -EINVAL; |
| 857 | |
| 858 | dac_config = chip->dac_config & (~ADT7316_DA_2VREF_CH_MASK); |
| 859 | dac_config |= data; |
| 860 | |
| 861 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); |
| 862 | if (ret) |
| 863 | return -EIO; |
| 864 | |
| 865 | chip->dac_config = dac_config; |
| 866 | |
| 867 | return len; |
| 868 | } |
| 869 | |
| 870 | static IIO_DEVICE_ATTR(DAC_2Vref_channels_mask, S_IRUGO | S_IWUSR, |
| 871 | adt7316_show_DAC_2Vref_ch_mask, |
| 872 | adt7316_store_DAC_2Vref_ch_mask, |
| 873 | 0); |
| 874 | |
| 875 | static ssize_t adt7316_show_DAC_update_mode(struct device *dev, |
| 876 | struct device_attribute *attr, |
| 877 | char *buf) |
| 878 | { |
| 879 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 880 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 881 | |
| 882 | if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA)) |
| 883 | return sprintf(buf, "manual\n"); |
| 884 | else { |
| 885 | switch (chip->dac_config & ADT7316_DA_EN_MODE_MASK) { |
| 886 | case ADT7316_DA_EN_MODE_SINGLE: |
| 887 | return sprintf(buf, "0 - auto at any MSB DAC writing\n"); |
| 888 | case ADT7316_DA_EN_MODE_AB_CD: |
| 889 | return sprintf(buf, "1 - auto at MSB DAC AB and CD writing\n"); |
| 890 | case ADT7316_DA_EN_MODE_ABCD: |
| 891 | return sprintf(buf, "2 - auto at MSB DAC ABCD writing\n"); |
| 892 | default: /* ADT7316_DA_EN_MODE_LDAC */ |
| 893 | return sprintf(buf, "3 - manual\n"); |
Joe Perches | 95cd17c | 2011-04-10 14:31:35 -0700 | [diff] [blame] | 894 | } |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 895 | } |
| 896 | } |
| 897 | |
| 898 | static ssize_t adt7316_store_DAC_update_mode(struct device *dev, |
| 899 | struct device_attribute *attr, |
| 900 | const char *buf, |
| 901 | size_t len) |
| 902 | { |
| 903 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 904 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 905 | u8 dac_config; |
| 906 | unsigned long data; |
| 907 | int ret; |
| 908 | |
| 909 | if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA)) |
| 910 | return -EPERM; |
| 911 | |
| 912 | ret = strict_strtoul(buf, 10, &data); |
| 913 | if (ret || data > ADT7316_DA_EN_MODE_MASK) |
| 914 | return -EINVAL; |
| 915 | |
| 916 | dac_config = chip->dac_config & (~ADT7316_DA_EN_MODE_MASK); |
| 917 | dac_config |= data; |
| 918 | |
| 919 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); |
| 920 | if (ret) |
| 921 | return -EIO; |
| 922 | |
| 923 | chip->dac_config = dac_config; |
| 924 | |
| 925 | return len; |
| 926 | } |
| 927 | |
| 928 | static IIO_DEVICE_ATTR(DAC_update_mode, S_IRUGO | S_IWUSR, |
| 929 | adt7316_show_DAC_update_mode, |
| 930 | adt7316_store_DAC_update_mode, |
| 931 | 0); |
| 932 | |
| 933 | static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev, |
| 934 | struct device_attribute *attr, |
| 935 | char *buf) |
| 936 | { |
| 937 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 938 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 939 | |
| 940 | if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA) |
| 941 | return sprintf(buf, "0 - auto at any MSB DAC writing\n" |
| 942 | "1 - auto at MSB DAC AB and CD writing\n" |
| 943 | "2 - auto at MSB DAC ABCD writing\n" |
| 944 | "3 - manual\n"); |
| 945 | else |
| 946 | return sprintf(buf, "manual\n"); |
| 947 | } |
| 948 | |
| 949 | static IIO_DEVICE_ATTR(all_DAC_update_modes, S_IRUGO, |
| 950 | adt7316_show_all_DAC_update_modes, NULL, 0); |
| 951 | |
| 952 | |
| 953 | static ssize_t adt7316_store_update_DAC(struct device *dev, |
| 954 | struct device_attribute *attr, |
| 955 | const char *buf, |
| 956 | size_t len) |
| 957 | { |
| 958 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 959 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 960 | u8 ldac_config; |
| 961 | unsigned long data; |
| 962 | int ret; |
| 963 | |
| 964 | if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDCA) { |
| 965 | if ((chip->dac_config & ADT7316_DA_EN_MODE_MASK) != |
| 966 | ADT7316_DA_EN_MODE_LDAC) |
| 967 | return -EPERM; |
| 968 | |
| 969 | ret = strict_strtoul(buf, 16, &data); |
| 970 | if (ret || data > ADT7316_LDAC_EN_DA_MASK) |
| 971 | return -EINVAL; |
| 972 | |
| 973 | ldac_config = chip->ldac_config & (~ADT7316_LDAC_EN_DA_MASK); |
| 974 | ldac_config |= data; |
| 975 | |
| 976 | ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG, |
| 977 | ldac_config); |
| 978 | if (ret) |
| 979 | return -EIO; |
| 980 | } else { |
| 981 | gpio_set_value(chip->ldac_pin, 0); |
| 982 | gpio_set_value(chip->ldac_pin, 1); |
| 983 | } |
| 984 | |
| 985 | return len; |
| 986 | } |
| 987 | |
| 988 | static IIO_DEVICE_ATTR(update_DAC, S_IRUGO | S_IWUSR, |
| 989 | NULL, |
| 990 | adt7316_store_update_DAC, |
| 991 | 0); |
| 992 | |
| 993 | static ssize_t adt7316_show_DA_AB_Vref_bypass(struct device *dev, |
| 994 | struct device_attribute *attr, |
| 995 | char *buf) |
| 996 | { |
| 997 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 998 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 999 | |
| 1000 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1001 | return -EPERM; |
| 1002 | |
| 1003 | return sprintf(buf, "%d\n", |
| 1004 | !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_AB)); |
| 1005 | } |
| 1006 | |
| 1007 | static ssize_t adt7316_store_DA_AB_Vref_bypass(struct device *dev, |
| 1008 | struct device_attribute *attr, |
| 1009 | const char *buf, |
| 1010 | size_t len) |
| 1011 | { |
| 1012 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1013 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1014 | u8 dac_config; |
| 1015 | int ret; |
| 1016 | |
| 1017 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1018 | return -EPERM; |
| 1019 | |
| 1020 | dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_AB); |
| 1021 | if (!memcmp(buf, "1", 1)) |
| 1022 | dac_config |= ADT7316_VREF_BYPASS_DAC_AB; |
| 1023 | |
| 1024 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); |
| 1025 | if (ret) |
| 1026 | return -EIO; |
| 1027 | |
| 1028 | chip->dac_config = dac_config; |
| 1029 | |
| 1030 | return len; |
| 1031 | } |
| 1032 | |
| 1033 | static IIO_DEVICE_ATTR(DA_AB_Vref_bypass, S_IRUGO | S_IWUSR, |
| 1034 | adt7316_show_DA_AB_Vref_bypass, |
| 1035 | adt7316_store_DA_AB_Vref_bypass, |
| 1036 | 0); |
| 1037 | |
| 1038 | static ssize_t adt7316_show_DA_CD_Vref_bypass(struct device *dev, |
| 1039 | struct device_attribute *attr, |
| 1040 | char *buf) |
| 1041 | { |
| 1042 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1043 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1044 | |
| 1045 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1046 | return -EPERM; |
| 1047 | |
| 1048 | return sprintf(buf, "%d\n", |
| 1049 | !!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_CD)); |
| 1050 | } |
| 1051 | |
| 1052 | static ssize_t adt7316_store_DA_CD_Vref_bypass(struct device *dev, |
| 1053 | struct device_attribute *attr, |
| 1054 | const char *buf, |
| 1055 | size_t len) |
| 1056 | { |
| 1057 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1058 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1059 | u8 dac_config; |
| 1060 | int ret; |
| 1061 | |
| 1062 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1063 | return -EPERM; |
| 1064 | |
| 1065 | dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_CD); |
| 1066 | if (!memcmp(buf, "1", 1)) |
| 1067 | dac_config |= ADT7316_VREF_BYPASS_DAC_CD; |
| 1068 | |
| 1069 | ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config); |
| 1070 | if (ret) |
| 1071 | return -EIO; |
| 1072 | |
| 1073 | chip->dac_config = dac_config; |
| 1074 | |
| 1075 | return len; |
| 1076 | } |
| 1077 | |
| 1078 | static IIO_DEVICE_ATTR(DA_CD_Vref_bypass, S_IRUGO | S_IWUSR, |
| 1079 | adt7316_show_DA_CD_Vref_bypass, |
| 1080 | adt7316_store_DA_CD_Vref_bypass, |
| 1081 | 0); |
| 1082 | |
| 1083 | static ssize_t adt7316_show_DAC_internal_Vref(struct device *dev, |
| 1084 | struct device_attribute *attr, |
| 1085 | char *buf) |
| 1086 | { |
| 1087 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1088 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1089 | |
| 1090 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1091 | return sprintf(buf, "0x%x\n", |
| 1092 | (chip->dac_config & ADT7516_DAC_IN_VREF_MASK) >> |
| 1093 | ADT7516_DAC_IN_VREF_OFFSET); |
| 1094 | else |
| 1095 | return sprintf(buf, "%d\n", |
| 1096 | !!(chip->dac_config & ADT7316_DAC_IN_VREF)); |
| 1097 | } |
| 1098 | |
| 1099 | static ssize_t adt7316_store_DAC_internal_Vref(struct device *dev, |
| 1100 | struct device_attribute *attr, |
| 1101 | const char *buf, |
| 1102 | size_t len) |
| 1103 | { |
| 1104 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1105 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1106 | u8 ldac_config; |
| 1107 | unsigned long data; |
| 1108 | int ret; |
| 1109 | |
| 1110 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) { |
| 1111 | ret = strict_strtoul(buf, 16, &data); |
| 1112 | if (ret || data > 3) |
| 1113 | return -EINVAL; |
| 1114 | |
| 1115 | ldac_config = chip->ldac_config & (~ADT7516_DAC_IN_VREF_MASK); |
| 1116 | if (data & 0x1) |
| 1117 | ldac_config |= ADT7516_DAC_AB_IN_VREF; |
| 1118 | else if (data & 0x2) |
| 1119 | ldac_config |= ADT7516_DAC_CD_IN_VREF; |
| 1120 | } else { |
| 1121 | ret = strict_strtoul(buf, 16, &data); |
| 1122 | if (ret) |
| 1123 | return -EINVAL; |
| 1124 | |
| 1125 | ldac_config = chip->ldac_config & (~ADT7316_DAC_IN_VREF); |
| 1126 | if (data) |
| 1127 | ldac_config = chip->ldac_config | ADT7316_DAC_IN_VREF; |
| 1128 | } |
| 1129 | |
| 1130 | ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG, ldac_config); |
| 1131 | if (ret) |
| 1132 | return -EIO; |
| 1133 | |
| 1134 | chip->ldac_config = ldac_config; |
| 1135 | |
| 1136 | return len; |
| 1137 | } |
| 1138 | |
| 1139 | static IIO_DEVICE_ATTR(DAC_internal_Vref, S_IRUGO | S_IWUSR, |
| 1140 | adt7316_show_DAC_internal_Vref, |
| 1141 | adt7316_store_DAC_internal_Vref, |
| 1142 | 0); |
| 1143 | |
| 1144 | static ssize_t adt7316_show_ad(struct adt7316_chip_info *chip, |
| 1145 | int channel, char *buf) |
| 1146 | { |
| 1147 | u16 data; |
| 1148 | u8 msb, lsb; |
| 1149 | char sign = ' '; |
| 1150 | int ret; |
| 1151 | |
| 1152 | if ((chip->config2 & ADT7316_AD_SINGLE_CH_MODE) && |
| 1153 | channel != (chip->config2 & ADT7516_AD_SINGLE_CH_MASK)) |
| 1154 | return -EPERM; |
| 1155 | |
| 1156 | switch (channel) { |
| 1157 | case ADT7316_AD_SINGLE_CH_IN: |
| 1158 | ret = chip->bus.read(chip->bus.client, |
| 1159 | ADT7316_LSB_IN_TEMP_VDD, &lsb); |
| 1160 | if (ret) |
| 1161 | return -EIO; |
| 1162 | |
| 1163 | ret = chip->bus.read(chip->bus.client, |
| 1164 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); |
| 1165 | if (ret) |
| 1166 | return -EIO; |
| 1167 | |
| 1168 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; |
| 1169 | data |= lsb & ADT7316_LSB_IN_TEMP_MASK; |
| 1170 | break; |
| 1171 | case ADT7316_AD_SINGLE_CH_VDD: |
| 1172 | ret = chip->bus.read(chip->bus.client, |
| 1173 | ADT7316_LSB_IN_TEMP_VDD, &lsb); |
| 1174 | if (ret) |
| 1175 | return -EIO; |
| 1176 | |
| 1177 | ret = chip->bus.read(chip->bus.client, |
| 1178 | |
| 1179 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); |
| 1180 | if (ret) |
| 1181 | return -EIO; |
| 1182 | |
| 1183 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; |
| 1184 | data |= (lsb & ADT7316_LSB_VDD_MASK) >> ADT7316_LSB_VDD_OFFSET; |
| 1185 | return sprintf(buf, "%d\n", data); |
| 1186 | default: /* ex_temp and ain */ |
| 1187 | ret = chip->bus.read(chip->bus.client, |
| 1188 | ADT7316_LSB_EX_TEMP_AIN, &lsb); |
| 1189 | if (ret) |
| 1190 | return -EIO; |
| 1191 | |
| 1192 | ret = chip->bus.read(chip->bus.client, |
| 1193 | ADT7316_AD_MSB_DATA_BASE + channel, &msb); |
| 1194 | if (ret) |
| 1195 | return -EIO; |
| 1196 | |
| 1197 | data = msb << ADT7316_T_VALUE_FLOAT_OFFSET; |
| 1198 | data |= lsb & (ADT7316_LSB_EX_TEMP_MASK << |
| 1199 | (ADT7516_LSB_AIN_SHIFT * (channel - |
| 1200 | (ADT7316_MSB_EX_TEMP - ADT7316_AD_MSB_DATA_BASE)))); |
| 1201 | |
| 1202 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 1203 | return sprintf(buf, "%d\n", data); |
| 1204 | else |
| 1205 | break; |
Joe Perches | 95cd17c | 2011-04-10 14:31:35 -0700 | [diff] [blame] | 1206 | } |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1207 | |
| 1208 | if (data & ADT7316_T_VALUE_SIGN) { |
| 1209 | /* convert supplement to positive value */ |
| 1210 | data = (ADT7316_T_VALUE_SIGN << 1) - data; |
| 1211 | sign = '-'; |
| 1212 | } |
| 1213 | |
| 1214 | return sprintf(buf, "%c%d.%.2d\n", sign, |
| 1215 | (data >> ADT7316_T_VALUE_FLOAT_OFFSET), |
| 1216 | (data & ADT7316_T_VALUE_FLOAT_MASK) * 25); |
| 1217 | } |
| 1218 | |
| 1219 | static ssize_t adt7316_show_VDD(struct device *dev, |
| 1220 | struct device_attribute *attr, |
| 1221 | char *buf) |
| 1222 | { |
| 1223 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1224 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1225 | |
| 1226 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_VDD, buf); |
| 1227 | } |
| 1228 | static IIO_DEVICE_ATTR(VDD, S_IRUGO, adt7316_show_VDD, NULL, 0); |
| 1229 | |
| 1230 | static ssize_t adt7316_show_in_temp(struct device *dev, |
| 1231 | struct device_attribute *attr, |
| 1232 | char *buf) |
| 1233 | { |
| 1234 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1235 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1236 | |
| 1237 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_IN, buf); |
| 1238 | } |
| 1239 | |
| 1240 | static IIO_DEVICE_ATTR(in_temp, S_IRUGO, adt7316_show_in_temp, NULL, 0); |
| 1241 | |
| 1242 | static ssize_t adt7316_show_ex_temp_AIN1(struct device *dev, |
| 1243 | struct device_attribute *attr, |
| 1244 | char *buf) |
| 1245 | { |
| 1246 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1247 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1248 | |
| 1249 | return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_EX, buf); |
| 1250 | } |
| 1251 | |
| 1252 | static IIO_DEVICE_ATTR(ex_temp_AIN1, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0); |
| 1253 | static IIO_DEVICE_ATTR(ex_temp, S_IRUGO, adt7316_show_ex_temp_AIN1, NULL, 0); |
| 1254 | |
| 1255 | static ssize_t adt7316_show_AIN2(struct device *dev, |
| 1256 | struct device_attribute *attr, |
| 1257 | char *buf) |
| 1258 | { |
| 1259 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1260 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1261 | |
| 1262 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN2, buf); |
| 1263 | } |
| 1264 | static IIO_DEVICE_ATTR(AIN2, S_IRUGO, adt7316_show_AIN2, NULL, 0); |
| 1265 | |
| 1266 | static ssize_t adt7316_show_AIN3(struct device *dev, |
| 1267 | struct device_attribute *attr, |
| 1268 | char *buf) |
| 1269 | { |
| 1270 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1271 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1272 | |
| 1273 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN3, buf); |
| 1274 | } |
| 1275 | static IIO_DEVICE_ATTR(AIN3, S_IRUGO, adt7316_show_AIN3, NULL, 0); |
| 1276 | |
| 1277 | static ssize_t adt7316_show_AIN4(struct device *dev, |
| 1278 | struct device_attribute *attr, |
| 1279 | char *buf) |
| 1280 | { |
| 1281 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1282 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1283 | |
| 1284 | return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN4, buf); |
| 1285 | } |
| 1286 | static IIO_DEVICE_ATTR(AIN4, S_IRUGO, adt7316_show_AIN4, NULL, 0); |
| 1287 | |
| 1288 | static ssize_t adt7316_show_temp_offset(struct adt7316_chip_info *chip, |
| 1289 | int offset_addr, char *buf) |
| 1290 | { |
| 1291 | int data; |
| 1292 | u8 val; |
| 1293 | int ret; |
| 1294 | |
| 1295 | ret = chip->bus.read(chip->bus.client, offset_addr, &val); |
| 1296 | if (ret) |
| 1297 | return -EIO; |
| 1298 | |
| 1299 | data = (int)val; |
| 1300 | if (val & 0x80) |
| 1301 | data -= 256; |
| 1302 | |
| 1303 | return sprintf(buf, "%d\n", data); |
| 1304 | } |
| 1305 | |
| 1306 | static ssize_t adt7316_store_temp_offset(struct adt7316_chip_info *chip, |
| 1307 | int offset_addr, const char *buf, size_t len) |
| 1308 | { |
| 1309 | long data; |
| 1310 | u8 val; |
| 1311 | int ret; |
| 1312 | |
| 1313 | ret = strict_strtol(buf, 10, &data); |
| 1314 | if (ret || data > 127 || data < -128) |
| 1315 | return -EINVAL; |
| 1316 | |
| 1317 | if (data < 0) |
| 1318 | data += 256; |
| 1319 | |
| 1320 | val = (u8)data; |
| 1321 | |
| 1322 | ret = chip->bus.write(chip->bus.client, offset_addr, val); |
| 1323 | if (ret) |
| 1324 | return -EIO; |
| 1325 | |
| 1326 | return len; |
| 1327 | } |
| 1328 | |
| 1329 | static ssize_t adt7316_show_in_temp_offset(struct device *dev, |
| 1330 | struct device_attribute *attr, |
| 1331 | char *buf) |
| 1332 | { |
| 1333 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1334 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1335 | |
| 1336 | return adt7316_show_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf); |
| 1337 | } |
| 1338 | |
| 1339 | static ssize_t adt7316_store_in_temp_offset(struct device *dev, |
| 1340 | struct device_attribute *attr, |
| 1341 | const char *buf, |
| 1342 | size_t len) |
| 1343 | { |
| 1344 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1345 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1346 | |
| 1347 | return adt7316_store_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf, len); |
| 1348 | } |
| 1349 | |
| 1350 | static IIO_DEVICE_ATTR(in_temp_offset, S_IRUGO | S_IWUSR, |
| 1351 | adt7316_show_in_temp_offset, |
| 1352 | adt7316_store_in_temp_offset, 0); |
| 1353 | |
| 1354 | static ssize_t adt7316_show_ex_temp_offset(struct device *dev, |
| 1355 | struct device_attribute *attr, |
| 1356 | char *buf) |
| 1357 | { |
| 1358 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1359 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1360 | |
| 1361 | return adt7316_show_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf); |
| 1362 | } |
| 1363 | |
| 1364 | static ssize_t adt7316_store_ex_temp_offset(struct device *dev, |
| 1365 | struct device_attribute *attr, |
| 1366 | const char *buf, |
| 1367 | size_t len) |
| 1368 | { |
| 1369 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1370 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1371 | |
| 1372 | return adt7316_store_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf, len); |
| 1373 | } |
| 1374 | |
| 1375 | static IIO_DEVICE_ATTR(ex_temp_offset, S_IRUGO | S_IWUSR, |
| 1376 | adt7316_show_ex_temp_offset, |
| 1377 | adt7316_store_ex_temp_offset, 0); |
| 1378 | |
| 1379 | static ssize_t adt7316_show_in_analog_temp_offset(struct device *dev, |
| 1380 | struct device_attribute *attr, |
| 1381 | char *buf) |
| 1382 | { |
| 1383 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1384 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1385 | |
| 1386 | return adt7316_show_temp_offset(chip, |
| 1387 | ADT7316_IN_ANALOG_TEMP_OFFSET, buf); |
| 1388 | } |
| 1389 | |
| 1390 | static ssize_t adt7316_store_in_analog_temp_offset(struct device *dev, |
| 1391 | struct device_attribute *attr, |
| 1392 | const char *buf, |
| 1393 | size_t len) |
| 1394 | { |
| 1395 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1396 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1397 | |
| 1398 | return adt7316_store_temp_offset(chip, |
| 1399 | ADT7316_IN_ANALOG_TEMP_OFFSET, buf, len); |
| 1400 | } |
| 1401 | |
| 1402 | static IIO_DEVICE_ATTR(in_analog_temp_offset, S_IRUGO | S_IWUSR, |
| 1403 | adt7316_show_in_analog_temp_offset, |
| 1404 | adt7316_store_in_analog_temp_offset, 0); |
| 1405 | |
| 1406 | static ssize_t adt7316_show_ex_analog_temp_offset(struct device *dev, |
| 1407 | struct device_attribute *attr, |
| 1408 | char *buf) |
| 1409 | { |
| 1410 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1411 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1412 | |
| 1413 | return adt7316_show_temp_offset(chip, |
| 1414 | ADT7316_EX_ANALOG_TEMP_OFFSET, buf); |
| 1415 | } |
| 1416 | |
| 1417 | static ssize_t adt7316_store_ex_analog_temp_offset(struct device *dev, |
| 1418 | struct device_attribute *attr, |
| 1419 | const char *buf, |
| 1420 | size_t len) |
| 1421 | { |
| 1422 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1423 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1424 | |
| 1425 | return adt7316_store_temp_offset(chip, |
| 1426 | ADT7316_EX_ANALOG_TEMP_OFFSET, buf, len); |
| 1427 | } |
| 1428 | |
| 1429 | static IIO_DEVICE_ATTR(ex_analog_temp_offset, S_IRUGO | S_IWUSR, |
| 1430 | adt7316_show_ex_analog_temp_offset, |
| 1431 | adt7316_store_ex_analog_temp_offset, 0); |
| 1432 | |
| 1433 | static ssize_t adt7316_show_DAC(struct adt7316_chip_info *chip, |
| 1434 | int channel, char *buf) |
| 1435 | { |
| 1436 | u16 data; |
| 1437 | u8 msb, lsb, offset; |
| 1438 | int ret; |
| 1439 | |
| 1440 | if (channel >= ADT7316_DA_MSB_DATA_REGS || |
| 1441 | (channel == 0 && |
| 1442 | (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) || |
| 1443 | (channel == 1 && |
| 1444 | (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB))) |
| 1445 | return -EPERM; |
| 1446 | |
| 1447 | offset = chip->dac_bits - 8; |
| 1448 | |
| 1449 | if (chip->dac_bits > 8) { |
| 1450 | ret = chip->bus.read(chip->bus.client, |
| 1451 | ADT7316_DA_DATA_BASE + channel * 2, &lsb); |
| 1452 | if (ret) |
| 1453 | return -EIO; |
| 1454 | } |
| 1455 | |
| 1456 | ret = chip->bus.read(chip->bus.client, |
| 1457 | ADT7316_DA_DATA_BASE + 1 + channel * 2, &msb); |
| 1458 | if (ret) |
| 1459 | return -EIO; |
| 1460 | |
| 1461 | data = (msb << offset) + (lsb & ((1 << offset) - 1)); |
| 1462 | |
| 1463 | return sprintf(buf, "%d\n", data); |
| 1464 | } |
| 1465 | |
| 1466 | static ssize_t adt7316_store_DAC(struct adt7316_chip_info *chip, |
| 1467 | int channel, const char *buf, size_t len) |
| 1468 | { |
| 1469 | u8 msb, lsb, offset; |
| 1470 | unsigned long data; |
| 1471 | int ret; |
| 1472 | |
| 1473 | if (channel >= ADT7316_DA_MSB_DATA_REGS || |
| 1474 | (channel == 0 && |
| 1475 | (chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) || |
| 1476 | (channel == 1 && |
| 1477 | (chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB))) |
| 1478 | return -EPERM; |
| 1479 | |
| 1480 | offset = chip->dac_bits - 8; |
| 1481 | |
| 1482 | ret = strict_strtoul(buf, 10, &data); |
| 1483 | if (ret || data >= (1 << chip->dac_bits)) |
| 1484 | return -EINVAL; |
| 1485 | |
| 1486 | if (chip->dac_bits > 8) { |
| 1487 | lsb = data & (1 << offset); |
| 1488 | ret = chip->bus.write(chip->bus.client, |
| 1489 | ADT7316_DA_DATA_BASE + channel * 2, lsb); |
| 1490 | if (ret) |
| 1491 | return -EIO; |
| 1492 | } |
| 1493 | |
| 1494 | msb = data >> offset; |
| 1495 | ret = chip->bus.write(chip->bus.client, |
| 1496 | ADT7316_DA_DATA_BASE + 1 + channel * 2, msb); |
| 1497 | if (ret) |
| 1498 | return -EIO; |
| 1499 | |
| 1500 | return len; |
| 1501 | } |
| 1502 | |
| 1503 | static ssize_t adt7316_show_DAC_A(struct device *dev, |
| 1504 | struct device_attribute *attr, |
| 1505 | char *buf) |
| 1506 | { |
| 1507 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1508 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1509 | |
| 1510 | return adt7316_show_DAC(chip, 0, buf); |
| 1511 | } |
| 1512 | |
| 1513 | static ssize_t adt7316_store_DAC_A(struct device *dev, |
| 1514 | struct device_attribute *attr, |
| 1515 | const char *buf, |
| 1516 | size_t len) |
| 1517 | { |
| 1518 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1519 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1520 | |
| 1521 | return adt7316_store_DAC(chip, 0, buf, len); |
| 1522 | } |
| 1523 | |
| 1524 | static IIO_DEVICE_ATTR(DAC_A, S_IRUGO | S_IWUSR, adt7316_show_DAC_A, |
| 1525 | adt7316_store_DAC_A, 0); |
| 1526 | |
| 1527 | static ssize_t adt7316_show_DAC_B(struct device *dev, |
| 1528 | struct device_attribute *attr, |
| 1529 | char *buf) |
| 1530 | { |
| 1531 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1532 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1533 | |
| 1534 | return adt7316_show_DAC(chip, 1, buf); |
| 1535 | } |
| 1536 | |
| 1537 | static ssize_t adt7316_store_DAC_B(struct device *dev, |
| 1538 | struct device_attribute *attr, |
| 1539 | const char *buf, |
| 1540 | size_t len) |
| 1541 | { |
| 1542 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1543 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1544 | |
| 1545 | return adt7316_store_DAC(chip, 1, buf, len); |
| 1546 | } |
| 1547 | |
| 1548 | static IIO_DEVICE_ATTR(DAC_B, S_IRUGO | S_IWUSR, adt7316_show_DAC_B, |
| 1549 | adt7316_store_DAC_B, 0); |
| 1550 | |
| 1551 | static ssize_t adt7316_show_DAC_C(struct device *dev, |
| 1552 | struct device_attribute *attr, |
| 1553 | char *buf) |
| 1554 | { |
| 1555 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1556 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1557 | |
| 1558 | return adt7316_show_DAC(chip, 2, buf); |
| 1559 | } |
| 1560 | |
| 1561 | static ssize_t adt7316_store_DAC_C(struct device *dev, |
| 1562 | struct device_attribute *attr, |
| 1563 | const char *buf, |
| 1564 | size_t len) |
| 1565 | { |
| 1566 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1567 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1568 | |
| 1569 | return adt7316_store_DAC(chip, 2, buf, len); |
| 1570 | } |
| 1571 | |
| 1572 | static IIO_DEVICE_ATTR(DAC_C, S_IRUGO | S_IWUSR, adt7316_show_DAC_C, |
| 1573 | adt7316_store_DAC_C, 0); |
| 1574 | |
| 1575 | static ssize_t adt7316_show_DAC_D(struct device *dev, |
| 1576 | struct device_attribute *attr, |
| 1577 | char *buf) |
| 1578 | { |
| 1579 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1580 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1581 | |
| 1582 | return adt7316_show_DAC(chip, 3, buf); |
| 1583 | } |
| 1584 | |
| 1585 | static ssize_t adt7316_store_DAC_D(struct device *dev, |
| 1586 | struct device_attribute *attr, |
| 1587 | const char *buf, |
| 1588 | size_t len) |
| 1589 | { |
| 1590 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1591 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1592 | |
| 1593 | return adt7316_store_DAC(chip, 3, buf, len); |
| 1594 | } |
| 1595 | |
| 1596 | static IIO_DEVICE_ATTR(DAC_D, S_IRUGO | S_IWUSR, adt7316_show_DAC_D, |
| 1597 | adt7316_store_DAC_D, 0); |
| 1598 | |
| 1599 | static ssize_t adt7316_show_device_id(struct device *dev, |
| 1600 | struct device_attribute *attr, |
| 1601 | char *buf) |
| 1602 | { |
| 1603 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1604 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1605 | u8 id; |
| 1606 | int ret; |
| 1607 | |
| 1608 | ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_ID, &id); |
| 1609 | if (ret) |
| 1610 | return -EIO; |
| 1611 | |
| 1612 | return sprintf(buf, "%d\n", id); |
| 1613 | } |
| 1614 | |
| 1615 | static IIO_DEVICE_ATTR(device_id, S_IRUGO, adt7316_show_device_id, NULL, 0); |
| 1616 | |
| 1617 | static ssize_t adt7316_show_manufactorer_id(struct device *dev, |
| 1618 | struct device_attribute *attr, |
| 1619 | char *buf) |
| 1620 | { |
| 1621 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1622 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1623 | u8 id; |
| 1624 | int ret; |
| 1625 | |
| 1626 | ret = chip->bus.read(chip->bus.client, ADT7316_MANUFACTURE_ID, &id); |
| 1627 | if (ret) |
| 1628 | return -EIO; |
| 1629 | |
| 1630 | return sprintf(buf, "%d\n", id); |
| 1631 | } |
| 1632 | |
| 1633 | static IIO_DEVICE_ATTR(manufactorer_id, S_IRUGO, |
| 1634 | adt7316_show_manufactorer_id, NULL, 0); |
| 1635 | |
| 1636 | static ssize_t adt7316_show_device_rev(struct device *dev, |
| 1637 | struct device_attribute *attr, |
| 1638 | char *buf) |
| 1639 | { |
| 1640 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1641 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1642 | u8 rev; |
| 1643 | int ret; |
| 1644 | |
| 1645 | ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_REV, &rev); |
| 1646 | if (ret) |
| 1647 | return -EIO; |
| 1648 | |
| 1649 | return sprintf(buf, "%d\n", rev); |
| 1650 | } |
| 1651 | |
| 1652 | static IIO_DEVICE_ATTR(device_rev, S_IRUGO, adt7316_show_device_rev, NULL, 0); |
| 1653 | |
| 1654 | static ssize_t adt7316_show_bus_type(struct device *dev, |
| 1655 | struct device_attribute *attr, |
| 1656 | char *buf) |
| 1657 | { |
| 1658 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1659 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1660 | u8 stat; |
| 1661 | int ret; |
| 1662 | |
| 1663 | ret = chip->bus.read(chip->bus.client, ADT7316_SPI_LOCK_STAT, &stat); |
| 1664 | if (ret) |
| 1665 | return -EIO; |
| 1666 | |
| 1667 | if (stat) |
| 1668 | return sprintf(buf, "spi\n"); |
| 1669 | else |
| 1670 | return sprintf(buf, "i2c\n"); |
| 1671 | } |
| 1672 | |
| 1673 | static IIO_DEVICE_ATTR(bus_type, S_IRUGO, adt7316_show_bus_type, NULL, 0); |
| 1674 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1675 | static struct attribute *adt7316_attributes[] = { |
| 1676 | &iio_dev_attr_all_modes.dev_attr.attr, |
| 1677 | &iio_dev_attr_mode.dev_attr.attr, |
| 1678 | &iio_dev_attr_reset.dev_attr.attr, |
| 1679 | &iio_dev_attr_enabled.dev_attr.attr, |
| 1680 | &iio_dev_attr_ad_channel.dev_attr.attr, |
| 1681 | &iio_dev_attr_all_ad_channels.dev_attr.attr, |
| 1682 | &iio_dev_attr_disable_averaging.dev_attr.attr, |
| 1683 | &iio_dev_attr_enable_smbus_timeout.dev_attr.attr, |
| 1684 | &iio_dev_attr_powerdown.dev_attr.attr, |
| 1685 | &iio_dev_attr_fast_ad_clock.dev_attr.attr, |
| 1686 | &iio_dev_attr_da_high_resolution.dev_attr.attr, |
| 1687 | &iio_dev_attr_enable_proportion_DACA.dev_attr.attr, |
| 1688 | &iio_dev_attr_enable_proportion_DACB.dev_attr.attr, |
| 1689 | &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr, |
| 1690 | &iio_dev_attr_DAC_update_mode.dev_attr.attr, |
| 1691 | &iio_dev_attr_all_DAC_update_modes.dev_attr.attr, |
| 1692 | &iio_dev_attr_update_DAC.dev_attr.attr, |
| 1693 | &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr, |
| 1694 | &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr, |
| 1695 | &iio_dev_attr_DAC_internal_Vref.dev_attr.attr, |
| 1696 | &iio_dev_attr_VDD.dev_attr.attr, |
| 1697 | &iio_dev_attr_in_temp.dev_attr.attr, |
| 1698 | &iio_dev_attr_ex_temp.dev_attr.attr, |
| 1699 | &iio_dev_attr_in_temp_offset.dev_attr.attr, |
| 1700 | &iio_dev_attr_ex_temp_offset.dev_attr.attr, |
| 1701 | &iio_dev_attr_in_analog_temp_offset.dev_attr.attr, |
| 1702 | &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr, |
| 1703 | &iio_dev_attr_DAC_A.dev_attr.attr, |
| 1704 | &iio_dev_attr_DAC_B.dev_attr.attr, |
| 1705 | &iio_dev_attr_DAC_C.dev_attr.attr, |
| 1706 | &iio_dev_attr_DAC_D.dev_attr.attr, |
| 1707 | &iio_dev_attr_device_id.dev_attr.attr, |
| 1708 | &iio_dev_attr_manufactorer_id.dev_attr.attr, |
| 1709 | &iio_dev_attr_device_rev.dev_attr.attr, |
| 1710 | &iio_dev_attr_bus_type.dev_attr.attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1711 | NULL, |
| 1712 | }; |
| 1713 | |
| 1714 | static const struct attribute_group adt7316_attribute_group = { |
| 1715 | .attrs = adt7316_attributes, |
| 1716 | }; |
| 1717 | |
| 1718 | static struct attribute *adt7516_attributes[] = { |
| 1719 | &iio_dev_attr_all_modes.dev_attr.attr, |
| 1720 | &iio_dev_attr_mode.dev_attr.attr, |
| 1721 | &iio_dev_attr_select_ex_temp.dev_attr.attr, |
| 1722 | &iio_dev_attr_reset.dev_attr.attr, |
| 1723 | &iio_dev_attr_enabled.dev_attr.attr, |
| 1724 | &iio_dev_attr_ad_channel.dev_attr.attr, |
| 1725 | &iio_dev_attr_all_ad_channels.dev_attr.attr, |
| 1726 | &iio_dev_attr_disable_averaging.dev_attr.attr, |
| 1727 | &iio_dev_attr_enable_smbus_timeout.dev_attr.attr, |
| 1728 | &iio_dev_attr_powerdown.dev_attr.attr, |
| 1729 | &iio_dev_attr_fast_ad_clock.dev_attr.attr, |
| 1730 | &iio_dev_attr_AIN_internal_Vref.dev_attr.attr, |
| 1731 | &iio_dev_attr_da_high_resolution.dev_attr.attr, |
| 1732 | &iio_dev_attr_enable_proportion_DACA.dev_attr.attr, |
| 1733 | &iio_dev_attr_enable_proportion_DACB.dev_attr.attr, |
| 1734 | &iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr, |
| 1735 | &iio_dev_attr_DAC_update_mode.dev_attr.attr, |
| 1736 | &iio_dev_attr_all_DAC_update_modes.dev_attr.attr, |
| 1737 | &iio_dev_attr_update_DAC.dev_attr.attr, |
| 1738 | &iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr, |
| 1739 | &iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr, |
| 1740 | &iio_dev_attr_DAC_internal_Vref.dev_attr.attr, |
| 1741 | &iio_dev_attr_VDD.dev_attr.attr, |
| 1742 | &iio_dev_attr_in_temp.dev_attr.attr, |
| 1743 | &iio_dev_attr_ex_temp_AIN1.dev_attr.attr, |
| 1744 | &iio_dev_attr_AIN2.dev_attr.attr, |
| 1745 | &iio_dev_attr_AIN3.dev_attr.attr, |
| 1746 | &iio_dev_attr_AIN4.dev_attr.attr, |
| 1747 | &iio_dev_attr_in_temp_offset.dev_attr.attr, |
| 1748 | &iio_dev_attr_ex_temp_offset.dev_attr.attr, |
| 1749 | &iio_dev_attr_in_analog_temp_offset.dev_attr.attr, |
| 1750 | &iio_dev_attr_ex_analog_temp_offset.dev_attr.attr, |
| 1751 | &iio_dev_attr_DAC_A.dev_attr.attr, |
| 1752 | &iio_dev_attr_DAC_B.dev_attr.attr, |
| 1753 | &iio_dev_attr_DAC_C.dev_attr.attr, |
| 1754 | &iio_dev_attr_DAC_D.dev_attr.attr, |
| 1755 | &iio_dev_attr_device_id.dev_attr.attr, |
| 1756 | &iio_dev_attr_manufactorer_id.dev_attr.attr, |
| 1757 | &iio_dev_attr_device_rev.dev_attr.attr, |
| 1758 | &iio_dev_attr_bus_type.dev_attr.attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1759 | NULL, |
| 1760 | }; |
| 1761 | |
| 1762 | static const struct attribute_group adt7516_attribute_group = { |
| 1763 | .attrs = adt7516_attributes, |
| 1764 | }; |
| 1765 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1766 | static irqreturn_t adt7316_event_handler(int irq, void *private) |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1767 | { |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1768 | struct iio_dev *indio_dev = private; |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1769 | struct adt7316_chip_info *chip = iio_priv(indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1770 | u8 stat1, stat2; |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1771 | int ret; |
| 1772 | s64 time; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1773 | |
| 1774 | ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT1, &stat1); |
| 1775 | if (!ret) { |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1776 | if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX) |
| 1777 | stat1 &= 0x1F; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1778 | |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1779 | time = iio_get_time_ns(); |
| 1780 | if (stat1 & (1 << 0)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1781 | iio_push_event(indio_dev, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1782 | IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, |
| 1783 | IIO_EV_TYPE_THRESH, |
| 1784 | IIO_EV_DIR_RISING), |
| 1785 | time); |
| 1786 | if (stat1 & (1 << 1)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1787 | iio_push_event(indio_dev, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1788 | IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, |
| 1789 | IIO_EV_TYPE_THRESH, |
| 1790 | IIO_EV_DIR_FALLING), |
| 1791 | time); |
| 1792 | if (stat1 & (1 << 2)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1793 | iio_push_event(indio_dev, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1794 | IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1, |
| 1795 | IIO_EV_TYPE_THRESH, |
| 1796 | IIO_EV_DIR_RISING), |
| 1797 | time); |
| 1798 | if (stat1 & (1 << 3)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1799 | iio_push_event(indio_dev, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1800 | IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1, |
| 1801 | IIO_EV_TYPE_THRESH, |
| 1802 | IIO_EV_DIR_FALLING), |
| 1803 | time); |
| 1804 | if (stat1 & (1 << 5)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1805 | iio_push_event(indio_dev, |
Jonathan Cameron | 6835cb6 | 2011-09-27 09:56:41 +0100 | [diff] [blame] | 1806 | IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1807 | IIO_EV_TYPE_THRESH, |
| 1808 | IIO_EV_DIR_EITHER), |
| 1809 | time); |
| 1810 | if (stat1 & (1 << 6)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1811 | iio_push_event(indio_dev, |
Jonathan Cameron | 6835cb6 | 2011-09-27 09:56:41 +0100 | [diff] [blame] | 1812 | IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1813 | IIO_EV_TYPE_THRESH, |
| 1814 | IIO_EV_DIR_EITHER), |
| 1815 | time); |
| 1816 | if (stat1 & (1 << 7)) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1817 | iio_push_event(indio_dev, |
Jonathan Cameron | 6835cb6 | 2011-09-27 09:56:41 +0100 | [diff] [blame] | 1818 | IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1819 | IIO_EV_TYPE_THRESH, |
| 1820 | IIO_EV_DIR_EITHER), |
| 1821 | time); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1822 | } |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1823 | ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT2, &stat2); |
| 1824 | if (!ret) { |
| 1825 | if (stat2 & ADT7316_INT_MASK2_VDD) |
Jonathan Cameron | 5aa9618 | 2011-08-30 12:41:06 +0100 | [diff] [blame] | 1826 | iio_push_event(indio_dev, |
Jonathan Cameron | 6835cb6 | 2011-09-27 09:56:41 +0100 | [diff] [blame] | 1827 | IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, |
Jonathan Cameron | 383f650 | 2011-05-18 14:42:18 +0100 | [diff] [blame] | 1828 | 0, |
| 1829 | IIO_EV_TYPE_THRESH, |
| 1830 | IIO_EV_DIR_RISING), |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1831 | iio_get_time_ns()); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1832 | } |
| 1833 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1834 | return IRQ_HANDLED; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1835 | } |
| 1836 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1837 | /* |
| 1838 | * Show mask of enabled interrupts in Hex. |
| 1839 | */ |
| 1840 | static ssize_t adt7316_show_int_mask(struct device *dev, |
| 1841 | struct device_attribute *attr, |
| 1842 | char *buf) |
| 1843 | { |
| 1844 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1845 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1846 | |
| 1847 | return sprintf(buf, "0x%x\n", chip->int_mask); |
| 1848 | } |
| 1849 | |
| 1850 | /* |
| 1851 | * Set 1 to the mask in Hex to enabled interrupts. |
| 1852 | */ |
| 1853 | static ssize_t adt7316_set_int_mask(struct device *dev, |
| 1854 | struct device_attribute *attr, |
| 1855 | const char *buf, |
| 1856 | size_t len) |
| 1857 | { |
| 1858 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1859 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1860 | unsigned long data; |
| 1861 | int ret; |
| 1862 | u8 mask; |
| 1863 | |
| 1864 | ret = strict_strtoul(buf, 16, &data); |
| 1865 | if (ret || data >= ADT7316_VDD_INT_MASK + 1) |
| 1866 | return -EINVAL; |
| 1867 | |
| 1868 | if (data & ADT7316_VDD_INT_MASK) |
| 1869 | mask = 0; /* enable vdd int */ |
| 1870 | else |
| 1871 | mask = ADT7316_INT_MASK2_VDD; /* disable vdd int */ |
| 1872 | |
| 1873 | ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK2, mask); |
| 1874 | if (!ret) { |
| 1875 | chip->int_mask &= ~ADT7316_VDD_INT_MASK; |
| 1876 | chip->int_mask |= data & ADT7316_VDD_INT_MASK; |
| 1877 | } |
| 1878 | |
| 1879 | if (data & ADT7316_TEMP_AIN_INT_MASK) { |
| 1880 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX) |
| 1881 | /* mask in reg is opposite, set 1 to disable */ |
| 1882 | mask = (~data) & ADT7316_TEMP_INT_MASK; |
| 1883 | else |
| 1884 | /* mask in reg is opposite, set 1 to disable */ |
| 1885 | mask = (~data) & ADT7316_TEMP_AIN_INT_MASK; |
| 1886 | } |
| 1887 | ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK1, mask); |
| 1888 | |
| 1889 | chip->int_mask = mask; |
| 1890 | |
| 1891 | return len; |
| 1892 | } |
| 1893 | static inline ssize_t adt7316_show_ad_bound(struct device *dev, |
| 1894 | struct device_attribute *attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1895 | char *buf) |
| 1896 | { |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1897 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1898 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1899 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1900 | u8 val; |
| 1901 | int data; |
| 1902 | int ret; |
| 1903 | |
| 1904 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX && |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1905 | this_attr->address > ADT7316_EX_TEMP_LOW) |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1906 | return -EPERM; |
| 1907 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1908 | ret = chip->bus.read(chip->bus.client, this_attr->address, &val); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1909 | if (ret) |
| 1910 | return -EIO; |
| 1911 | |
| 1912 | data = (int)val; |
| 1913 | |
| 1914 | if (!((chip->id & ID_FAMILY_MASK) == ID_ADT75XX && |
| 1915 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)) { |
| 1916 | if (data & 0x80) |
| 1917 | data -= 256; |
| 1918 | } |
| 1919 | |
| 1920 | return sprintf(buf, "%d\n", data); |
| 1921 | } |
| 1922 | |
| 1923 | static inline ssize_t adt7316_set_ad_bound(struct device *dev, |
| 1924 | struct device_attribute *attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1925 | const char *buf, |
| 1926 | size_t len) |
| 1927 | { |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1928 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1929 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1930 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1931 | long data; |
| 1932 | u8 val; |
| 1933 | int ret; |
| 1934 | |
| 1935 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX && |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1936 | this_attr->address > ADT7316_EX_TEMP_LOW) |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1937 | return -EPERM; |
| 1938 | |
| 1939 | ret = strict_strtol(buf, 10, &data); |
| 1940 | if (ret) |
| 1941 | return -EINVAL; |
| 1942 | |
| 1943 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX && |
| 1944 | (chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) { |
| 1945 | if (data > 255 || data < 0) |
| 1946 | return -EINVAL; |
| 1947 | } else { |
| 1948 | if (data > 127 || data < -128) |
| 1949 | return -EINVAL; |
| 1950 | |
| 1951 | if (data < 0) |
| 1952 | data += 256; |
| 1953 | } |
| 1954 | |
| 1955 | val = (u8)data; |
| 1956 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1957 | ret = chip->bus.write(chip->bus.client, this_attr->address, val); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1958 | if (ret) |
| 1959 | return -EIO; |
| 1960 | |
| 1961 | return len; |
| 1962 | } |
| 1963 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1964 | static ssize_t adt7316_show_int_enabled(struct device *dev, |
| 1965 | struct device_attribute *attr, |
| 1966 | char *buf) |
| 1967 | { |
| 1968 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1969 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1970 | |
| 1971 | return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_INT_EN)); |
| 1972 | } |
| 1973 | |
| 1974 | static ssize_t adt7316_set_int_enabled(struct device *dev, |
| 1975 | struct device_attribute *attr, |
| 1976 | const char *buf, |
| 1977 | size_t len) |
| 1978 | { |
| 1979 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 1980 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 1981 | u8 config1; |
| 1982 | int ret; |
| 1983 | |
| 1984 | config1 = chip->config1 & (~ADT7316_INT_EN); |
| 1985 | if (!memcmp(buf, "1", 1)) |
| 1986 | config1 |= ADT7316_INT_EN; |
| 1987 | |
| 1988 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1); |
| 1989 | if (ret) |
| 1990 | return -EIO; |
| 1991 | |
| 1992 | chip->config1 = config1; |
| 1993 | |
| 1994 | return len; |
| 1995 | } |
| 1996 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 1997 | static IIO_DEVICE_ATTR(int_mask, |
| 1998 | S_IRUGO | S_IWUSR, |
| 1999 | adt7316_show_int_mask, adt7316_set_int_mask, |
| 2000 | 0); |
| 2001 | static IIO_DEVICE_ATTR(in_temp_high_value, |
| 2002 | S_IRUGO | S_IWUSR, |
| 2003 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2004 | ADT7316_IN_TEMP_HIGH); |
| 2005 | static IIO_DEVICE_ATTR(in_temp_low_value, |
| 2006 | S_IRUGO | S_IWUSR, |
| 2007 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2008 | ADT7316_IN_TEMP_LOW); |
| 2009 | static IIO_DEVICE_ATTR(ex_temp_high_value, |
| 2010 | S_IRUGO | S_IWUSR, |
| 2011 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2012 | ADT7316_EX_TEMP_HIGH); |
| 2013 | static IIO_DEVICE_ATTR(ex_temp_low_value, |
| 2014 | S_IRUGO | S_IWUSR, |
| 2015 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2016 | ADT7316_EX_TEMP_LOW); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2017 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 2018 | /* NASTY duplication to be fixed */ |
| 2019 | static IIO_DEVICE_ATTR(ex_temp_ain1_high_value, |
| 2020 | S_IRUGO | S_IWUSR, |
| 2021 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2022 | ADT7316_EX_TEMP_HIGH); |
| 2023 | static IIO_DEVICE_ATTR(ex_temp_ain1_low_value, |
| 2024 | S_IRUGO | S_IWUSR, |
| 2025 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2026 | ADT7316_EX_TEMP_LOW); |
| 2027 | static IIO_DEVICE_ATTR(ain2_high_value, |
| 2028 | S_IRUGO | S_IWUSR, |
| 2029 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2030 | ADT7516_AIN2_HIGH); |
| 2031 | static IIO_DEVICE_ATTR(ain2_low_value, |
| 2032 | S_IRUGO | S_IWUSR, |
| 2033 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2034 | ADT7516_AIN2_LOW); |
| 2035 | static IIO_DEVICE_ATTR(ain3_high_value, |
| 2036 | S_IRUGO | S_IWUSR, |
| 2037 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2038 | ADT7516_AIN3_HIGH); |
| 2039 | static IIO_DEVICE_ATTR(ain3_low_value, |
| 2040 | S_IRUGO | S_IWUSR, |
| 2041 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2042 | ADT7516_AIN3_LOW); |
| 2043 | static IIO_DEVICE_ATTR(ain4_high_value, |
| 2044 | S_IRUGO | S_IWUSR, |
| 2045 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2046 | ADT7516_AIN4_HIGH); |
| 2047 | static IIO_DEVICE_ATTR(ain4_low_value, |
| 2048 | S_IRUGO | S_IWUSR, |
| 2049 | adt7316_show_ad_bound, adt7316_set_ad_bound, |
| 2050 | ADT7516_AIN4_LOW); |
| 2051 | static IIO_DEVICE_ATTR(int_enabled, |
| 2052 | S_IRUGO | S_IWUSR, |
| 2053 | adt7316_show_int_enabled, |
| 2054 | adt7316_set_int_enabled, 0); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2055 | |
| 2056 | static struct attribute *adt7316_event_attributes[] = { |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 2057 | &iio_dev_attr_int_mask.dev_attr.attr, |
| 2058 | &iio_dev_attr_in_temp_high_value.dev_attr.attr, |
| 2059 | &iio_dev_attr_in_temp_low_value.dev_attr.attr, |
| 2060 | &iio_dev_attr_ex_temp_high_value.dev_attr.attr, |
| 2061 | &iio_dev_attr_ex_temp_low_value.dev_attr.attr, |
| 2062 | &iio_dev_attr_int_enabled.dev_attr.attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2063 | NULL, |
| 2064 | }; |
| 2065 | |
| 2066 | static struct attribute_group adt7316_event_attribute_group = { |
| 2067 | .attrs = adt7316_event_attributes, |
Jonathan Cameron | 8e7d967 | 2011-08-30 12:32:45 +0100 | [diff] [blame] | 2068 | .name = "events", |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2069 | }; |
| 2070 | |
| 2071 | static struct attribute *adt7516_event_attributes[] = { |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 2072 | &iio_dev_attr_int_mask.dev_attr.attr, |
| 2073 | &iio_dev_attr_in_temp_high_value.dev_attr.attr, |
| 2074 | &iio_dev_attr_in_temp_low_value.dev_attr.attr, |
| 2075 | &iio_dev_attr_ex_temp_ain1_high_value.dev_attr.attr, |
| 2076 | &iio_dev_attr_ex_temp_ain1_low_value.dev_attr.attr, |
| 2077 | &iio_dev_attr_ain2_high_value.dev_attr.attr, |
| 2078 | &iio_dev_attr_ain2_low_value.dev_attr.attr, |
| 2079 | &iio_dev_attr_ain3_high_value.dev_attr.attr, |
| 2080 | &iio_dev_attr_ain3_low_value.dev_attr.attr, |
| 2081 | &iio_dev_attr_ain4_high_value.dev_attr.attr, |
| 2082 | &iio_dev_attr_ain4_low_value.dev_attr.attr, |
| 2083 | &iio_dev_attr_int_enabled.dev_attr.attr, |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2084 | NULL, |
| 2085 | }; |
| 2086 | |
| 2087 | static struct attribute_group adt7516_event_attribute_group = { |
| 2088 | .attrs = adt7516_event_attributes, |
Jonathan Cameron | 8e7d967 | 2011-08-30 12:32:45 +0100 | [diff] [blame] | 2089 | .name = "events", |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2090 | }; |
| 2091 | |
| 2092 | #ifdef CONFIG_PM |
| 2093 | int adt7316_disable(struct device *dev) |
| 2094 | { |
| 2095 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2096 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2097 | |
| 2098 | return _adt7316_store_enabled(chip, 0); |
| 2099 | } |
| 2100 | EXPORT_SYMBOL(adt7316_disable); |
| 2101 | |
| 2102 | int adt7316_enable(struct device *dev) |
| 2103 | { |
| 2104 | struct iio_dev *dev_info = dev_get_drvdata(dev); |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2105 | struct adt7316_chip_info *chip = iio_priv(dev_info); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2106 | |
| 2107 | return _adt7316_store_enabled(chip, 1); |
| 2108 | } |
| 2109 | EXPORT_SYMBOL(adt7316_enable); |
| 2110 | #endif |
| 2111 | |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 2112 | static const struct iio_info adt7316_info = { |
| 2113 | .attrs = &adt7316_attribute_group, |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 2114 | .event_attrs = &adt7316_event_attribute_group, |
| 2115 | .driver_module = THIS_MODULE, |
| 2116 | }; |
| 2117 | |
| 2118 | static const struct iio_info adt7516_info = { |
| 2119 | .attrs = &adt7516_attribute_group, |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 2120 | .event_attrs = &adt7516_event_attribute_group, |
| 2121 | .driver_module = THIS_MODULE, |
| 2122 | }; |
| 2123 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2124 | /* |
| 2125 | * device probe and remove |
| 2126 | */ |
| 2127 | int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus, |
| 2128 | const char *name) |
| 2129 | { |
| 2130 | struct adt7316_chip_info *chip; |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2131 | struct iio_dev *indio_dev; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2132 | unsigned short *adt7316_platform_data = dev->platform_data; |
| 2133 | int ret = 0; |
| 2134 | |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2135 | indio_dev = iio_allocate_device(sizeof(*chip)); |
| 2136 | if (indio_dev == NULL) { |
| 2137 | ret = -ENOMEM; |
| 2138 | goto error_ret; |
| 2139 | } |
| 2140 | chip = iio_priv(indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2141 | /* this is only used for device removal purposes */ |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2142 | dev_set_drvdata(dev, indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2143 | |
| 2144 | chip->bus = *bus; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2145 | |
| 2146 | if (name[4] == '3') |
| 2147 | chip->id = ID_ADT7316 + (name[6] - '6'); |
| 2148 | else if (name[4] == '5') |
| 2149 | chip->id = ID_ADT7516 + (name[6] - '6'); |
| 2150 | else |
| 2151 | return -ENODEV; |
| 2152 | |
| 2153 | chip->ldac_pin = adt7316_platform_data[1]; |
| 2154 | if (chip->ldac_pin) { |
| 2155 | chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDCA; |
| 2156 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 2157 | chip->config1 |= ADT7516_SEL_AIN3; |
| 2158 | } |
| 2159 | chip->int_mask = ADT7316_TEMP_INT_MASK | ADT7316_VDD_INT_MASK; |
| 2160 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
| 2161 | chip->int_mask |= ADT7516_AIN_INT_MASK; |
| 2162 | |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2163 | indio_dev->dev.parent = dev; |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 2164 | if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2165 | indio_dev->info = &adt7516_info; |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 2166 | else |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2167 | indio_dev->info = &adt7316_info; |
| 2168 | indio_dev->name = name; |
| 2169 | indio_dev->modes = INDIO_DIRECT_MODE; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2170 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2171 | if (chip->bus.irq > 0) { |
| 2172 | if (adt7316_platform_data[0]) |
| 2173 | chip->bus.irq_flags = adt7316_platform_data[0]; |
| 2174 | |
Jonathan Cameron | 90f79e7 | 2011-05-18 14:41:05 +0100 | [diff] [blame] | 2175 | ret = request_threaded_irq(chip->bus.irq, |
| 2176 | NULL, |
| 2177 | &adt7316_event_handler, |
| 2178 | chip->bus.irq_flags | IRQF_ONESHOT, |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2179 | indio_dev->name, |
| 2180 | indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2181 | if (ret) |
Jonathan Cameron | 26d25ae | 2011-09-02 17:14:40 +0100 | [diff] [blame] | 2182 | goto error_free_dev; |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2183 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2184 | if (chip->bus.irq_flags & IRQF_TRIGGER_HIGH) |
| 2185 | chip->config1 |= ADT7316_INT_POLARITY; |
| 2186 | } |
| 2187 | |
| 2188 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, chip->config1); |
| 2189 | if (ret) { |
| 2190 | ret = -EIO; |
| 2191 | goto error_unreg_irq; |
| 2192 | } |
| 2193 | |
| 2194 | ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, chip->config3); |
| 2195 | if (ret) { |
| 2196 | ret = -EIO; |
| 2197 | goto error_unreg_irq; |
| 2198 | } |
| 2199 | |
Jonathan Cameron | 26d25ae | 2011-09-02 17:14:40 +0100 | [diff] [blame] | 2200 | ret = iio_device_register(indio_dev); |
| 2201 | if (ret) |
| 2202 | goto error_unreg_irq; |
| 2203 | |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2204 | dev_info(dev, "%s temperature sensor, ADC and DAC registered.\n", |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2205 | indio_dev->name); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2206 | |
| 2207 | return 0; |
| 2208 | |
| 2209 | error_unreg_irq: |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2210 | free_irq(chip->bus.irq, indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2211 | error_free_dev: |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2212 | iio_free_device(indio_dev); |
| 2213 | error_ret: |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2214 | return ret; |
| 2215 | } |
| 2216 | EXPORT_SYMBOL(adt7316_probe); |
| 2217 | |
| 2218 | int __devexit adt7316_remove(struct device *dev) |
| 2219 | { |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2220 | struct iio_dev *indio_dev = dev_get_drvdata(dev); |
| 2221 | struct adt7316_chip_info *chip = iio_priv(indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2222 | |
Jonathan Cameron | d2fffd6 | 2011-10-14 14:46:58 +0100 | [diff] [blame] | 2223 | iio_device_unregister(indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2224 | if (chip->bus.irq) |
Jonathan Cameron | 70be429 | 2011-06-27 13:07:29 +0100 | [diff] [blame] | 2225 | free_irq(chip->bus.irq, indio_dev); |
Jonathan Cameron | d2fffd6 | 2011-10-14 14:46:58 +0100 | [diff] [blame] | 2226 | iio_free_device(indio_dev); |
Sonic Zhang | 35f6b6b | 2010-10-27 21:43:52 -0400 | [diff] [blame] | 2227 | |
| 2228 | return 0; |
| 2229 | } |
| 2230 | EXPORT_SYMBOL(adt7316_remove); |
| 2231 | |
| 2232 | MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>"); |
| 2233 | MODULE_DESCRIPTION("Analog Devices ADT7316/7/8 and ADT7516/7/9 digital" |
| 2234 | " temperature sensor, ADC and DAC driver"); |
| 2235 | MODULE_LICENSE("GPL v2"); |