Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 1 | /* |
| 2 | * ADE7854/58/68/78 Polyphase Multifunction Energy Metering IC Driver |
| 3 | * |
| 4 | * Copyright 2010 Analog Devices Inc. |
| 5 | * |
| 6 | * Licensed under the GPL-2 or later. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/interrupt.h> |
| 10 | #include <linux/irq.h> |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 11 | #include <linux/delay.h> |
| 12 | #include <linux/mutex.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> |
Paul Gortmaker | 99c9785 | 2011-07-03 15:49:50 -0400 | [diff] [blame] | 18 | #include <linux/module.h> |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 19 | |
Jonathan Cameron | 06458e2 | 2012-04-25 15:54:58 +0100 | [diff] [blame] | 20 | #include <linux/iio/iio.h> |
| 21 | #include <linux/iio/sysfs.h> |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 22 | #include "meter.h" |
| 23 | #include "ade7854.h" |
| 24 | |
| 25 | static ssize_t ade7854_read_8bit(struct device *dev, |
| 26 | struct device_attribute *attr, |
| 27 | char *buf) |
| 28 | { |
| 29 | int ret; |
| 30 | u8 val = 0; |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 31 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 32 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 33 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
| 34 | |
| 35 | ret = st->read_reg_8(dev, this_attr->address, &val); |
| 36 | if (ret) |
| 37 | return ret; |
| 38 | |
| 39 | return sprintf(buf, "%u\n", val); |
| 40 | } |
| 41 | |
| 42 | static ssize_t ade7854_read_16bit(struct device *dev, |
| 43 | struct device_attribute *attr, |
| 44 | char *buf) |
| 45 | { |
| 46 | int ret; |
| 47 | u16 val = 0; |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 48 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 49 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 50 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
| 51 | |
| 52 | ret = st->read_reg_16(dev, this_attr->address, &val); |
| 53 | if (ret) |
| 54 | return ret; |
| 55 | |
| 56 | return sprintf(buf, "%u\n", val); |
| 57 | } |
| 58 | |
| 59 | static ssize_t ade7854_read_24bit(struct device *dev, |
| 60 | struct device_attribute *attr, |
| 61 | char *buf) |
| 62 | { |
| 63 | int ret; |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 64 | u32 val; |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 65 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 66 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 67 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
| 68 | |
| 69 | ret = st->read_reg_24(dev, this_attr->address, &val); |
| 70 | if (ret) |
| 71 | return ret; |
| 72 | |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 73 | return sprintf(buf, "%u\n", val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | static ssize_t ade7854_read_32bit(struct device *dev, |
| 77 | struct device_attribute *attr, |
| 78 | char *buf) |
| 79 | { |
| 80 | int ret; |
| 81 | u32 val = 0; |
| 82 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 83 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 84 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 85 | |
| 86 | ret = st->read_reg_32(dev, this_attr->address, &val); |
| 87 | if (ret) |
| 88 | return ret; |
| 89 | |
| 90 | return sprintf(buf, "%u\n", val); |
| 91 | } |
| 92 | |
| 93 | static ssize_t ade7854_write_8bit(struct device *dev, |
| 94 | struct device_attribute *attr, |
| 95 | const char *buf, |
| 96 | size_t len) |
| 97 | { |
| 98 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 99 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 100 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 101 | |
| 102 | int ret; |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 103 | u8 val; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 104 | |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 105 | ret = kstrtou8(buf, 10, &val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 106 | if (ret) |
| 107 | goto error_ret; |
| 108 | ret = st->write_reg_8(dev, this_attr->address, val); |
| 109 | |
| 110 | error_ret: |
| 111 | return ret ? ret : len; |
| 112 | } |
| 113 | |
| 114 | static ssize_t ade7854_write_16bit(struct device *dev, |
| 115 | struct device_attribute *attr, |
| 116 | const char *buf, |
| 117 | size_t len) |
| 118 | { |
| 119 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 120 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 121 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 122 | |
| 123 | int ret; |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 124 | u16 val; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 125 | |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 126 | ret = kstrtou16(buf, 10, &val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 127 | if (ret) |
| 128 | goto error_ret; |
| 129 | ret = st->write_reg_16(dev, this_attr->address, val); |
| 130 | |
| 131 | error_ret: |
| 132 | return ret ? ret : len; |
| 133 | } |
| 134 | |
| 135 | static ssize_t ade7854_write_24bit(struct device *dev, |
| 136 | struct device_attribute *attr, |
| 137 | const char *buf, |
| 138 | size_t len) |
| 139 | { |
| 140 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 141 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 142 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 143 | |
| 144 | int ret; |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 145 | u32 val; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 146 | |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 147 | ret = kstrtou32(buf, 10, &val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 148 | if (ret) |
| 149 | goto error_ret; |
| 150 | ret = st->write_reg_24(dev, this_attr->address, val); |
| 151 | |
| 152 | error_ret: |
| 153 | return ret ? ret : len; |
| 154 | } |
| 155 | |
| 156 | static ssize_t ade7854_write_32bit(struct device *dev, |
| 157 | struct device_attribute *attr, |
| 158 | const char *buf, |
| 159 | size_t len) |
| 160 | { |
| 161 | struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 162 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 163 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 164 | |
| 165 | int ret; |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 166 | u32 val; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 167 | |
Jingoo Han | e5e26dd | 2013-08-20 03:31:00 +0100 | [diff] [blame] | 168 | ret = kstrtou32(buf, 10, &val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 169 | if (ret) |
| 170 | goto error_ret; |
| 171 | ret = st->write_reg_32(dev, this_attr->address, val); |
| 172 | |
| 173 | error_ret: |
| 174 | return ret ? ret : len; |
| 175 | } |
| 176 | |
| 177 | static int ade7854_reset(struct device *dev) |
| 178 | { |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 179 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 180 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 181 | u16 val; |
| 182 | |
| 183 | st->read_reg_16(dev, ADE7854_CONFIG, &val); |
| 184 | val |= 1 << 7; /* Software Chip Reset */ |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 185 | |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 186 | return st->write_reg_16(dev, ADE7854_CONFIG, val); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 187 | } |
| 188 | |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 189 | static IIO_DEV_ATTR_AIGAIN(S_IWUSR | S_IRUGO, |
| 190 | ade7854_read_24bit, |
| 191 | ade7854_write_24bit, |
| 192 | ADE7854_AIGAIN); |
| 193 | static IIO_DEV_ATTR_BIGAIN(S_IWUSR | S_IRUGO, |
| 194 | ade7854_read_24bit, |
| 195 | ade7854_write_24bit, |
| 196 | ADE7854_BIGAIN); |
| 197 | static IIO_DEV_ATTR_CIGAIN(S_IWUSR | S_IRUGO, |
| 198 | ade7854_read_24bit, |
| 199 | ade7854_write_24bit, |
| 200 | ADE7854_CIGAIN); |
| 201 | static IIO_DEV_ATTR_NIGAIN(S_IWUSR | S_IRUGO, |
| 202 | ade7854_read_24bit, |
| 203 | ade7854_write_24bit, |
| 204 | ADE7854_NIGAIN); |
| 205 | static IIO_DEV_ATTR_AVGAIN(S_IWUSR | S_IRUGO, |
| 206 | ade7854_read_24bit, |
| 207 | ade7854_write_24bit, |
| 208 | ADE7854_AVGAIN); |
| 209 | static IIO_DEV_ATTR_BVGAIN(S_IWUSR | S_IRUGO, |
| 210 | ade7854_read_24bit, |
| 211 | ade7854_write_24bit, |
| 212 | ADE7854_BVGAIN); |
| 213 | static IIO_DEV_ATTR_CVGAIN(S_IWUSR | S_IRUGO, |
| 214 | ade7854_read_24bit, |
| 215 | ade7854_write_24bit, |
| 216 | ADE7854_CVGAIN); |
| 217 | static IIO_DEV_ATTR_APPARENT_POWER_A_GAIN(S_IWUSR | S_IRUGO, |
| 218 | ade7854_read_24bit, |
| 219 | ade7854_write_24bit, |
| 220 | ADE7854_AVAGAIN); |
| 221 | static IIO_DEV_ATTR_APPARENT_POWER_B_GAIN(S_IWUSR | S_IRUGO, |
| 222 | ade7854_read_24bit, |
| 223 | ade7854_write_24bit, |
| 224 | ADE7854_BVAGAIN); |
| 225 | static IIO_DEV_ATTR_APPARENT_POWER_C_GAIN(S_IWUSR | S_IRUGO, |
| 226 | ade7854_read_24bit, |
| 227 | ade7854_write_24bit, |
| 228 | ADE7854_CVAGAIN); |
| 229 | static IIO_DEV_ATTR_ACTIVE_POWER_A_OFFSET(S_IWUSR | S_IRUGO, |
| 230 | ade7854_read_24bit, |
| 231 | ade7854_write_24bit, |
| 232 | ADE7854_AWATTOS); |
| 233 | static IIO_DEV_ATTR_ACTIVE_POWER_B_OFFSET(S_IWUSR | S_IRUGO, |
| 234 | ade7854_read_24bit, |
| 235 | ade7854_write_24bit, |
| 236 | ADE7854_BWATTOS); |
| 237 | static IIO_DEV_ATTR_ACTIVE_POWER_C_OFFSET(S_IWUSR | S_IRUGO, |
| 238 | ade7854_read_24bit, |
| 239 | ade7854_write_24bit, |
| 240 | ADE7854_CWATTOS); |
| 241 | static IIO_DEV_ATTR_REACTIVE_POWER_A_GAIN(S_IWUSR | S_IRUGO, |
| 242 | ade7854_read_24bit, |
| 243 | ade7854_write_24bit, |
| 244 | ADE7854_AVARGAIN); |
| 245 | static IIO_DEV_ATTR_REACTIVE_POWER_B_GAIN(S_IWUSR | S_IRUGO, |
| 246 | ade7854_read_24bit, |
| 247 | ade7854_write_24bit, |
| 248 | ADE7854_BVARGAIN); |
| 249 | static IIO_DEV_ATTR_REACTIVE_POWER_C_GAIN(S_IWUSR | S_IRUGO, |
| 250 | ade7854_read_24bit, |
| 251 | ade7854_write_24bit, |
| 252 | ADE7854_CVARGAIN); |
| 253 | static IIO_DEV_ATTR_REACTIVE_POWER_A_OFFSET(S_IWUSR | S_IRUGO, |
| 254 | ade7854_read_24bit, |
| 255 | ade7854_write_24bit, |
| 256 | ADE7854_AVAROS); |
| 257 | static IIO_DEV_ATTR_REACTIVE_POWER_B_OFFSET(S_IWUSR | S_IRUGO, |
| 258 | ade7854_read_24bit, |
| 259 | ade7854_write_24bit, |
| 260 | ADE7854_BVAROS); |
| 261 | static IIO_DEV_ATTR_REACTIVE_POWER_C_OFFSET(S_IWUSR | S_IRUGO, |
| 262 | ade7854_read_24bit, |
| 263 | ade7854_write_24bit, |
| 264 | ADE7854_CVAROS); |
| 265 | static IIO_DEV_ATTR_VPEAK(S_IWUSR | S_IRUGO, |
| 266 | ade7854_read_32bit, |
| 267 | ade7854_write_32bit, |
| 268 | ADE7854_VPEAK); |
| 269 | static IIO_DEV_ATTR_IPEAK(S_IWUSR | S_IRUGO, |
| 270 | ade7854_read_32bit, |
| 271 | ade7854_write_32bit, |
| 272 | ADE7854_VPEAK); |
| 273 | static IIO_DEV_ATTR_APHCAL(S_IWUSR | S_IRUGO, |
| 274 | ade7854_read_16bit, |
| 275 | ade7854_write_16bit, |
| 276 | ADE7854_APHCAL); |
| 277 | static IIO_DEV_ATTR_BPHCAL(S_IWUSR | S_IRUGO, |
| 278 | ade7854_read_16bit, |
| 279 | ade7854_write_16bit, |
| 280 | ADE7854_BPHCAL); |
| 281 | static IIO_DEV_ATTR_CPHCAL(S_IWUSR | S_IRUGO, |
| 282 | ade7854_read_16bit, |
| 283 | ade7854_write_16bit, |
| 284 | ADE7854_CPHCAL); |
| 285 | static IIO_DEV_ATTR_CF1DEN(S_IWUSR | S_IRUGO, |
| 286 | ade7854_read_16bit, |
| 287 | ade7854_write_16bit, |
| 288 | ADE7854_CF1DEN); |
| 289 | static IIO_DEV_ATTR_CF2DEN(S_IWUSR | S_IRUGO, |
| 290 | ade7854_read_16bit, |
| 291 | ade7854_write_16bit, |
| 292 | ADE7854_CF2DEN); |
| 293 | static IIO_DEV_ATTR_CF3DEN(S_IWUSR | S_IRUGO, |
| 294 | ade7854_read_16bit, |
| 295 | ade7854_write_16bit, |
| 296 | ADE7854_CF3DEN); |
| 297 | static IIO_DEV_ATTR_LINECYC(S_IWUSR | S_IRUGO, |
| 298 | ade7854_read_16bit, |
| 299 | ade7854_write_16bit, |
| 300 | ADE7854_LINECYC); |
| 301 | static IIO_DEV_ATTR_SAGCYC(S_IWUSR | S_IRUGO, |
| 302 | ade7854_read_8bit, |
| 303 | ade7854_write_8bit, |
| 304 | ADE7854_SAGCYC); |
| 305 | static IIO_DEV_ATTR_CFCYC(S_IWUSR | S_IRUGO, |
| 306 | ade7854_read_8bit, |
| 307 | ade7854_write_8bit, |
| 308 | ADE7854_CFCYC); |
| 309 | static IIO_DEV_ATTR_PEAKCYC(S_IWUSR | S_IRUGO, |
| 310 | ade7854_read_8bit, |
| 311 | ade7854_write_8bit, |
| 312 | ADE7854_PEAKCYC); |
| 313 | static IIO_DEV_ATTR_CHKSUM(ade7854_read_24bit, |
| 314 | ADE7854_CHECKSUM); |
| 315 | static IIO_DEV_ATTR_ANGLE0(ade7854_read_24bit, |
| 316 | ADE7854_ANGLE0); |
| 317 | static IIO_DEV_ATTR_ANGLE1(ade7854_read_24bit, |
| 318 | ADE7854_ANGLE1); |
| 319 | static IIO_DEV_ATTR_ANGLE2(ade7854_read_24bit, |
| 320 | ADE7854_ANGLE2); |
| 321 | static IIO_DEV_ATTR_AIRMS(S_IRUGO, |
| 322 | ade7854_read_24bit, |
| 323 | NULL, |
| 324 | ADE7854_AIRMS); |
| 325 | static IIO_DEV_ATTR_BIRMS(S_IRUGO, |
| 326 | ade7854_read_24bit, |
| 327 | NULL, |
| 328 | ADE7854_BIRMS); |
| 329 | static IIO_DEV_ATTR_CIRMS(S_IRUGO, |
| 330 | ade7854_read_24bit, |
| 331 | NULL, |
| 332 | ADE7854_CIRMS); |
| 333 | static IIO_DEV_ATTR_NIRMS(S_IRUGO, |
| 334 | ade7854_read_24bit, |
| 335 | NULL, |
| 336 | ADE7854_NIRMS); |
| 337 | static IIO_DEV_ATTR_AVRMS(S_IRUGO, |
| 338 | ade7854_read_24bit, |
| 339 | NULL, |
| 340 | ADE7854_AVRMS); |
| 341 | static IIO_DEV_ATTR_BVRMS(S_IRUGO, |
| 342 | ade7854_read_24bit, |
| 343 | NULL, |
| 344 | ADE7854_BVRMS); |
| 345 | static IIO_DEV_ATTR_CVRMS(S_IRUGO, |
| 346 | ade7854_read_24bit, |
| 347 | NULL, |
| 348 | ADE7854_CVRMS); |
| 349 | static IIO_DEV_ATTR_AIRMSOS(S_IRUGO, |
| 350 | ade7854_read_16bit, |
| 351 | ade7854_write_16bit, |
| 352 | ADE7854_AIRMSOS); |
| 353 | static IIO_DEV_ATTR_BIRMSOS(S_IRUGO, |
| 354 | ade7854_read_16bit, |
| 355 | ade7854_write_16bit, |
| 356 | ADE7854_BIRMSOS); |
| 357 | static IIO_DEV_ATTR_CIRMSOS(S_IRUGO, |
| 358 | ade7854_read_16bit, |
| 359 | ade7854_write_16bit, |
| 360 | ADE7854_CIRMSOS); |
| 361 | static IIO_DEV_ATTR_AVRMSOS(S_IRUGO, |
| 362 | ade7854_read_16bit, |
| 363 | ade7854_write_16bit, |
| 364 | ADE7854_AVRMSOS); |
| 365 | static IIO_DEV_ATTR_BVRMSOS(S_IRUGO, |
| 366 | ade7854_read_16bit, |
| 367 | ade7854_write_16bit, |
| 368 | ADE7854_BVRMSOS); |
| 369 | static IIO_DEV_ATTR_CVRMSOS(S_IRUGO, |
| 370 | ade7854_read_16bit, |
| 371 | ade7854_write_16bit, |
| 372 | ADE7854_CVRMSOS); |
| 373 | static IIO_DEV_ATTR_VOLT_A(ade7854_read_24bit, |
| 374 | ADE7854_VAWV); |
| 375 | static IIO_DEV_ATTR_VOLT_B(ade7854_read_24bit, |
| 376 | ADE7854_VBWV); |
| 377 | static IIO_DEV_ATTR_VOLT_C(ade7854_read_24bit, |
| 378 | ADE7854_VCWV); |
| 379 | static IIO_DEV_ATTR_CURRENT_A(ade7854_read_24bit, |
| 380 | ADE7854_IAWV); |
| 381 | static IIO_DEV_ATTR_CURRENT_B(ade7854_read_24bit, |
| 382 | ADE7854_IBWV); |
| 383 | static IIO_DEV_ATTR_CURRENT_C(ade7854_read_24bit, |
| 384 | ADE7854_ICWV); |
| 385 | static IIO_DEV_ATTR_AWATTHR(ade7854_read_32bit, |
| 386 | ADE7854_AWATTHR); |
| 387 | static IIO_DEV_ATTR_BWATTHR(ade7854_read_32bit, |
| 388 | ADE7854_BWATTHR); |
| 389 | static IIO_DEV_ATTR_CWATTHR(ade7854_read_32bit, |
| 390 | ADE7854_CWATTHR); |
| 391 | static IIO_DEV_ATTR_AFWATTHR(ade7854_read_32bit, |
| 392 | ADE7854_AFWATTHR); |
| 393 | static IIO_DEV_ATTR_BFWATTHR(ade7854_read_32bit, |
| 394 | ADE7854_BFWATTHR); |
| 395 | static IIO_DEV_ATTR_CFWATTHR(ade7854_read_32bit, |
| 396 | ADE7854_CFWATTHR); |
| 397 | static IIO_DEV_ATTR_AVARHR(ade7854_read_32bit, |
| 398 | ADE7854_AVARHR); |
| 399 | static IIO_DEV_ATTR_BVARHR(ade7854_read_32bit, |
| 400 | ADE7854_BVARHR); |
| 401 | static IIO_DEV_ATTR_CVARHR(ade7854_read_32bit, |
| 402 | ADE7854_CVARHR); |
| 403 | static IIO_DEV_ATTR_AVAHR(ade7854_read_32bit, |
| 404 | ADE7854_AVAHR); |
| 405 | static IIO_DEV_ATTR_BVAHR(ade7854_read_32bit, |
| 406 | ADE7854_BVAHR); |
| 407 | static IIO_DEV_ATTR_CVAHR(ade7854_read_32bit, |
| 408 | ADE7854_CVAHR); |
| 409 | |
| 410 | static int ade7854_set_irq(struct device *dev, bool enable) |
| 411 | { |
Lars-Peter Clausen | 196b59c | 2012-05-12 15:39:54 +0200 | [diff] [blame] | 412 | struct iio_dev *indio_dev = dev_to_iio_dev(dev); |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 413 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 414 | |
| 415 | int ret; |
| 416 | u32 irqen; |
| 417 | |
| 418 | ret = st->read_reg_32(dev, ADE7854_MASK0, &irqen); |
| 419 | if (ret) |
| 420 | goto error_ret; |
| 421 | |
| 422 | if (enable) |
| 423 | irqen |= 1 << 17; /* 1: interrupt enabled when all periodical |
| 424 | (at 8 kHz rate) DSP computations finish. */ |
| 425 | else |
| 426 | irqen &= ~(1 << 17); |
| 427 | |
| 428 | ret = st->write_reg_32(dev, ADE7854_MASK0, irqen); |
| 429 | if (ret) |
| 430 | goto error_ret; |
| 431 | |
| 432 | error_ret: |
| 433 | return ret; |
| 434 | } |
| 435 | |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 436 | static int ade7854_initial_setup(struct iio_dev *indio_dev) |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 437 | { |
| 438 | int ret; |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 439 | struct device *dev = &indio_dev->dev; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 440 | |
| 441 | /* Disable IRQ */ |
| 442 | ret = ade7854_set_irq(dev, false); |
| 443 | if (ret) { |
| 444 | dev_err(dev, "disable irq failed"); |
| 445 | goto err_ret; |
| 446 | } |
| 447 | |
| 448 | ade7854_reset(dev); |
| 449 | msleep(ADE7854_STARTUP_DELAY); |
| 450 | |
| 451 | err_ret: |
| 452 | return ret; |
| 453 | } |
| 454 | |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 455 | static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("8000"); |
| 456 | |
| 457 | static IIO_CONST_ATTR(name, "ade7854"); |
| 458 | |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 459 | static struct attribute *ade7854_attributes[] = { |
| 460 | &iio_dev_attr_aigain.dev_attr.attr, |
| 461 | &iio_dev_attr_bigain.dev_attr.attr, |
| 462 | &iio_dev_attr_cigain.dev_attr.attr, |
| 463 | &iio_dev_attr_nigain.dev_attr.attr, |
| 464 | &iio_dev_attr_avgain.dev_attr.attr, |
| 465 | &iio_dev_attr_bvgain.dev_attr.attr, |
| 466 | &iio_dev_attr_cvgain.dev_attr.attr, |
| 467 | &iio_dev_attr_linecyc.dev_attr.attr, |
| 468 | &iio_dev_attr_sagcyc.dev_attr.attr, |
| 469 | &iio_dev_attr_cfcyc.dev_attr.attr, |
| 470 | &iio_dev_attr_peakcyc.dev_attr.attr, |
| 471 | &iio_dev_attr_chksum.dev_attr.attr, |
| 472 | &iio_dev_attr_apparent_power_a_gain.dev_attr.attr, |
| 473 | &iio_dev_attr_apparent_power_b_gain.dev_attr.attr, |
| 474 | &iio_dev_attr_apparent_power_c_gain.dev_attr.attr, |
| 475 | &iio_dev_attr_active_power_a_offset.dev_attr.attr, |
| 476 | &iio_dev_attr_active_power_b_offset.dev_attr.attr, |
| 477 | &iio_dev_attr_active_power_c_offset.dev_attr.attr, |
| 478 | &iio_dev_attr_reactive_power_a_gain.dev_attr.attr, |
| 479 | &iio_dev_attr_reactive_power_b_gain.dev_attr.attr, |
| 480 | &iio_dev_attr_reactive_power_c_gain.dev_attr.attr, |
| 481 | &iio_dev_attr_reactive_power_a_offset.dev_attr.attr, |
| 482 | &iio_dev_attr_reactive_power_b_offset.dev_attr.attr, |
| 483 | &iio_dev_attr_reactive_power_c_offset.dev_attr.attr, |
| 484 | &iio_dev_attr_awatthr.dev_attr.attr, |
| 485 | &iio_dev_attr_bwatthr.dev_attr.attr, |
| 486 | &iio_dev_attr_cwatthr.dev_attr.attr, |
| 487 | &iio_dev_attr_afwatthr.dev_attr.attr, |
| 488 | &iio_dev_attr_bfwatthr.dev_attr.attr, |
| 489 | &iio_dev_attr_cfwatthr.dev_attr.attr, |
| 490 | &iio_dev_attr_avarhr.dev_attr.attr, |
| 491 | &iio_dev_attr_bvarhr.dev_attr.attr, |
| 492 | &iio_dev_attr_cvarhr.dev_attr.attr, |
| 493 | &iio_dev_attr_angle0.dev_attr.attr, |
| 494 | &iio_dev_attr_angle1.dev_attr.attr, |
| 495 | &iio_dev_attr_angle2.dev_attr.attr, |
| 496 | &iio_dev_attr_avahr.dev_attr.attr, |
| 497 | &iio_dev_attr_bvahr.dev_attr.attr, |
| 498 | &iio_dev_attr_cvahr.dev_attr.attr, |
| 499 | &iio_const_attr_sampling_frequency_available.dev_attr.attr, |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 500 | &iio_const_attr_name.dev_attr.attr, |
| 501 | &iio_dev_attr_vpeak.dev_attr.attr, |
| 502 | &iio_dev_attr_ipeak.dev_attr.attr, |
| 503 | &iio_dev_attr_aphcal.dev_attr.attr, |
| 504 | &iio_dev_attr_bphcal.dev_attr.attr, |
| 505 | &iio_dev_attr_cphcal.dev_attr.attr, |
| 506 | &iio_dev_attr_cf1den.dev_attr.attr, |
| 507 | &iio_dev_attr_cf2den.dev_attr.attr, |
| 508 | &iio_dev_attr_cf3den.dev_attr.attr, |
| 509 | &iio_dev_attr_airms.dev_attr.attr, |
| 510 | &iio_dev_attr_birms.dev_attr.attr, |
| 511 | &iio_dev_attr_cirms.dev_attr.attr, |
| 512 | &iio_dev_attr_nirms.dev_attr.attr, |
| 513 | &iio_dev_attr_avrms.dev_attr.attr, |
| 514 | &iio_dev_attr_bvrms.dev_attr.attr, |
| 515 | &iio_dev_attr_cvrms.dev_attr.attr, |
| 516 | &iio_dev_attr_airmsos.dev_attr.attr, |
| 517 | &iio_dev_attr_birmsos.dev_attr.attr, |
| 518 | &iio_dev_attr_cirmsos.dev_attr.attr, |
| 519 | &iio_dev_attr_avrmsos.dev_attr.attr, |
| 520 | &iio_dev_attr_bvrmsos.dev_attr.attr, |
| 521 | &iio_dev_attr_cvrmsos.dev_attr.attr, |
| 522 | &iio_dev_attr_volt_a.dev_attr.attr, |
| 523 | &iio_dev_attr_volt_b.dev_attr.attr, |
| 524 | &iio_dev_attr_volt_c.dev_attr.attr, |
| 525 | &iio_dev_attr_current_a.dev_attr.attr, |
| 526 | &iio_dev_attr_current_b.dev_attr.attr, |
| 527 | &iio_dev_attr_current_c.dev_attr.attr, |
| 528 | NULL, |
| 529 | }; |
| 530 | |
| 531 | static const struct attribute_group ade7854_attribute_group = { |
| 532 | .attrs = ade7854_attributes, |
| 533 | }; |
| 534 | |
Jonathan Cameron | 6fe8135 | 2011-05-18 14:42:37 +0100 | [diff] [blame] | 535 | static const struct iio_info ade7854_info = { |
| 536 | .attrs = &ade7854_attribute_group, |
| 537 | .driver_module = THIS_MODULE, |
| 538 | }; |
| 539 | |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 540 | int ade7854_probe(struct iio_dev *indio_dev, struct device *dev) |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 541 | { |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 542 | int ret; |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 543 | struct ade7854_state *st = iio_priv(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 544 | /* setup the industrialio driver allocated elements */ |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 545 | mutex_init(&st->buf_lock); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 546 | |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 547 | indio_dev->dev.parent = dev; |
| 548 | indio_dev->info = &ade7854_info; |
| 549 | indio_dev->modes = INDIO_DIRECT_MODE; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 550 | |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 551 | ret = iio_device_register(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 552 | if (ret) |
Sachin Kamat | b909459 | 2013-09-11 10:55:00 +0100 | [diff] [blame] | 553 | return ret; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 554 | |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 555 | /* Get the device into a sane initial state */ |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 556 | ret = ade7854_initial_setup(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 557 | if (ret) |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 558 | goto error_unreg_dev; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 559 | |
| 560 | return 0; |
| 561 | |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 562 | error_unreg_dev: |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 563 | iio_device_unregister(indio_dev); |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 564 | return ret; |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 565 | } |
| 566 | EXPORT_SYMBOL(ade7854_probe); |
| 567 | |
Jonathan Cameron | 937a960 | 2011-06-27 13:07:50 +0100 | [diff] [blame] | 568 | int ade7854_remove(struct iio_dev *indio_dev) |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 569 | { |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 570 | iio_device_unregister(indio_dev); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 571 | |
| 572 | return 0; |
| 573 | } |
| 574 | EXPORT_SYMBOL(ade7854_remove); |
| 575 | |
| 576 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); |
Jonathan Cameron | 3faa4d3 | 2011-02-11 14:07:43 +0000 | [diff] [blame] | 577 | MODULE_DESCRIPTION("Analog Devices ADE7854/58/68/78 Polyphase Energy Meter"); |
Barry Song | 5b264a6 | 2010-10-27 21:44:18 -0400 | [diff] [blame] | 578 | MODULE_LICENSE("GPL v2"); |