| 1 | /* |
| 2 | * Copyright (c) 2010-2011 Yamaha Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 17 | * MA 02110-1301, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/errno.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/input.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/mutex.h> |
| 27 | #include <linux/types.h> |
| 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/version.h> |
| 31 | |
| 32 | #include <linux/platform_device.h> |
| 33 | #include <linux/hwmsensor.h> |
| 34 | #include <linux/hwmsen_dev.h> |
| 35 | #include <linux/sensors_io.h> |
| 36 | |
| 37 | |
| 38 | #define MEDIATEK_CODE |
| 39 | |
| 40 | #ifdef MEDIATEK_CODE |
| 41 | #include <linux/miscdevice.h> |
| 42 | #include <linux/uaccess.h> |
| 43 | #define OSENSOR 0x85 |
| 44 | #define OSENSOR_IOCTL_READ_POSTUREDATA _IO(OSENSOR, 0x01) |
| 45 | #endif |
| 46 | |
| 47 | /* for debugging */ |
| 48 | #define DEBUG 0 |
| 49 | #define SENSOR_NAME "orientation" |
| 50 | #define SENSOR_TYPE (3) |
| 51 | #define SENSOR_DEFAULT_DELAY (200) /* 200 ms */ |
| 52 | #define SENSOR_MAX_DELAY (2000) /* 2000 ms */ |
| 53 | #define ABS_STATUS (ABS_BRAKE) |
| 54 | #define ABS_WAKE (ABS_MISC) |
| 55 | #define ABS_CONTROL_REPORT (ABS_THROTTLE) |
| 56 | |
| 57 | static int suspend(void); |
| 58 | static int resume(void); |
| 59 | |
| 60 | struct sensor_data { |
| 61 | struct mutex mutex; |
| 62 | int enabled; |
| 63 | int delay; |
| 64 | #if DEBUG |
| 65 | int suspend; |
| 66 | #endif |
| 67 | }; |
| 68 | #if DEBUG |
| 69 | static struct platform_device *sensor_pdev = NULL; |
| 70 | #endif |
| 71 | static struct input_dev *this_data = NULL; |
| 72 | |
| 73 | static int |
| 74 | suspend(void) |
| 75 | { |
| 76 | /* implement suspend of the sensor */ |
| 77 | printk("%s: suspend\n", SENSOR_NAME); |
| 78 | |
| 79 | if (strcmp(SENSOR_NAME, "gyroscope") == 0) { |
| 80 | /* suspend gyroscope */ |
| 81 | } |
| 82 | else if (strcmp(SENSOR_NAME, "light") == 0) { |
| 83 | /* suspend light */ |
| 84 | } |
| 85 | else if (strcmp(SENSOR_NAME, "pressure") == 0) { |
| 86 | /* suspend pressure */ |
| 87 | } |
| 88 | else if (strcmp(SENSOR_NAME, "temperature") == 0) { |
| 89 | /* suspend temperature */ |
| 90 | } |
| 91 | else if (strcmp(SENSOR_NAME, "proximity") == 0) { |
| 92 | /* suspend proximity */ |
| 93 | } |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | static int |
| 99 | resume(void) |
| 100 | { |
| 101 | /* implement resume of the sensor */ |
| 102 | printk("%s: resume\n", SENSOR_NAME); |
| 103 | |
| 104 | if (strcmp(SENSOR_NAME, "gyroscope") == 0) { |
| 105 | /* resume gyroscope */ |
| 106 | } |
| 107 | else if (strcmp(SENSOR_NAME, "light") == 0) { |
| 108 | /* resume light */ |
| 109 | } |
| 110 | else if (strcmp(SENSOR_NAME, "pressure") == 0) { |
| 111 | /* resume pressure */ |
| 112 | } |
| 113 | else if (strcmp(SENSOR_NAME, "temperature") == 0) { |
| 114 | /* resume temperature */ |
| 115 | } |
| 116 | else if (strcmp(SENSOR_NAME, "proximity") == 0) { |
| 117 | /* resume proximity */ |
| 118 | } |
| 119 | |
| 120 | #if DEBUG |
| 121 | { |
| 122 | struct sensor_data *data = input_get_drvdata(this_data); |
| 123 | data->suspend = 0; |
| 124 | } |
| 125 | #endif /* DEBUG */ |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* Sysfs interface */ |
| 132 | static ssize_t |
| 133 | sensor_delay_show(struct device *dev, |
| 134 | struct device_attribute *attr, |
| 135 | char *buf) |
| 136 | { |
| 137 | struct input_dev *input_data = to_input_dev(dev); |
| 138 | struct sensor_data *data = input_get_drvdata(input_data); |
| 139 | int delay; |
| 140 | |
| 141 | mutex_lock(&data->mutex); |
| 142 | |
| 143 | delay = data->delay; |
| 144 | |
| 145 | mutex_unlock(&data->mutex); |
| 146 | |
| 147 | return sprintf(buf, "%d\n", delay); |
| 148 | } |
| 149 | |
| 150 | static ssize_t |
| 151 | sensor_delay_store(struct device *dev, |
| 152 | struct device_attribute *attr, |
| 153 | const char *buf, |
| 154 | size_t count) |
| 155 | { |
| 156 | struct input_dev *input_data = to_input_dev(dev); |
| 157 | struct sensor_data *data = input_get_drvdata(input_data); |
| 158 | int value = simple_strtol(buf, NULL, 10); |
| 159 | |
| 160 | if (value < 0) { |
| 161 | return count; |
| 162 | } |
| 163 | |
| 164 | if (SENSOR_MAX_DELAY < value) { |
| 165 | value = SENSOR_MAX_DELAY; |
| 166 | } |
| 167 | |
| 168 | mutex_lock(&data->mutex); |
| 169 | |
| 170 | data->delay = value; |
| 171 | |
| 172 | input_report_abs(input_data, ABS_CONTROL_REPORT, (data->enabled<<16) | value); |
| 173 | input_sync(input_data); |
| 174 | |
| 175 | mutex_unlock(&data->mutex); |
| 176 | |
| 177 | return count; |
| 178 | } |
| 179 | |
| 180 | static ssize_t |
| 181 | sensor_enable_show(struct device *dev, |
| 182 | struct device_attribute *attr, |
| 183 | char *buf) |
| 184 | { |
| 185 | struct input_dev *input_data = to_input_dev(dev); |
| 186 | struct sensor_data *data = input_get_drvdata(input_data); |
| 187 | int enabled; |
| 188 | |
| 189 | mutex_lock(&data->mutex); |
| 190 | |
| 191 | enabled = data->enabled; |
| 192 | |
| 193 | mutex_unlock(&data->mutex); |
| 194 | |
| 195 | return sprintf(buf, "%d\n", enabled); |
| 196 | } |
| 197 | |
| 198 | static ssize_t |
| 199 | sensor_enable_store(struct device *dev, |
| 200 | struct device_attribute *attr, |
| 201 | const char *buf, |
| 202 | size_t count) |
| 203 | { |
| 204 | struct input_dev *input_data = to_input_dev(dev); |
| 205 | struct sensor_data *data = input_get_drvdata(input_data); |
| 206 | int value = simple_strtol(buf, NULL, 10); |
| 207 | |
| 208 | value = !!value; |
| 209 | |
| 210 | mutex_lock(&data->mutex); |
| 211 | |
| 212 | input_report_abs(input_data, ABS_CONTROL_REPORT, (value<<16) | data->delay); |
| 213 | input_sync(input_data); |
| 214 | |
| 215 | if (data->enabled && !value) { |
| 216 | suspend(); |
| 217 | } |
| 218 | if (!data->enabled && value) { |
| 219 | resume(); |
| 220 | } |
| 221 | data->enabled = value; |
| 222 | |
| 223 | mutex_unlock(&data->mutex); |
| 224 | |
| 225 | return count; |
| 226 | } |
| 227 | |
| 228 | static ssize_t |
| 229 | sensor_wake_store(struct device *dev, |
| 230 | struct device_attribute *attr, |
| 231 | const char *buf, |
| 232 | size_t count) |
| 233 | { |
| 234 | struct input_dev *input_data = to_input_dev(dev); |
| 235 | static int cnt = 1; |
| 236 | |
| 237 | input_report_abs(input_data, ABS_WAKE, cnt++); |
| 238 | input_sync(input_data); |
| 239 | |
| 240 | return count; |
| 241 | } |
| 242 | |
| 243 | #if DEBUG |
| 244 | |
| 245 | static int sensor_suspend(struct platform_device *pdev, pm_message_t state); |
| 246 | static int sensor_resume(struct platform_device *pdev); |
| 247 | |
| 248 | static ssize_t |
| 249 | sensor_debug_suspend_show(struct device *dev, |
| 250 | struct device_attribute *attr, char *buf) |
| 251 | { |
| 252 | struct input_dev *input = to_input_dev(dev); |
| 253 | struct sensor_data *data = input_get_drvdata(input); |
| 254 | |
| 255 | return sprintf(buf, "%d\n", data->suspend); |
| 256 | } |
| 257 | |
| 258 | static ssize_t |
| 259 | sensor_debug_suspend_store(struct device *dev, |
| 260 | struct device_attribute *attr, |
| 261 | const char *buf, size_t count) |
| 262 | { |
| 263 | unsigned long suspend = simple_strtol(buf, NULL, 10); |
| 264 | |
| 265 | if (suspend) { |
| 266 | pm_message_t msg; |
| 267 | memset(&msg, 0, sizeof(msg)); |
| 268 | sensor_suspend(sensor_pdev, msg); |
| 269 | } else { |
| 270 | sensor_resume(sensor_pdev); |
| 271 | } |
| 272 | |
| 273 | return count; |
| 274 | } |
| 275 | |
| 276 | #endif /* DEBUG */ |
| 277 | |
| 278 | static ssize_t |
| 279 | sensor_data_show(struct device *dev, |
| 280 | struct device_attribute *attr, |
| 281 | char *buf) |
| 282 | { |
| 283 | struct input_dev *input_data = to_input_dev(dev); |
| 284 | #if SENSOR_TYPE <= 4 |
| 285 | int x, y, z; |
| 286 | #else |
| 287 | int x; |
| 288 | #endif |
| 289 | |
| 290 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) |
| 291 | unsigned long flags; |
| 292 | |
| 293 | spin_lock_irqsave(&input_data->event_lock, flags); |
| 294 | |
| 295 | x = input_data->abs[ABS_X]; |
| 296 | #if SENSOR_TYPE <= 4 |
| 297 | y = input_data->abs[ABS_Y]; |
| 298 | z = input_data->abs[ABS_Z]; |
| 299 | #endif |
| 300 | spin_unlock_irqrestore(&input_data->event_lock, flags); |
| 301 | #else |
| 302 | x = input_abs_get_val(input_data, ABS_X); |
| 303 | #if SENSOR_TYPE <= 4 |
| 304 | y = input_abs_get_val(input_data, ABS_Y); |
| 305 | z = input_abs_get_val(input_data, ABS_Z); |
| 306 | #endif |
| 307 | #endif |
| 308 | |
| 309 | |
| 310 | #if SENSOR_TYPE <= 4 |
| 311 | return sprintf(buf, "%d %d %d\n", x, y, z); |
| 312 | #else |
| 313 | return sprintf(buf, "%d\n", x); |
| 314 | #endif |
| 315 | } |
| 316 | |
| 317 | static ssize_t |
| 318 | sensor_status_show(struct device *dev, |
| 319 | struct device_attribute *attr, |
| 320 | char *buf) |
| 321 | { |
| 322 | struct input_dev *input_data = to_input_dev(dev); |
| 323 | int status; |
| 324 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) |
| 325 | unsigned long flags; |
| 326 | |
| 327 | spin_lock_irqsave(&input_data->event_lock, flags); |
| 328 | |
| 329 | status = input_data->abs[ABS_STATUS]; |
| 330 | |
| 331 | spin_unlock_irqrestore(&input_data->event_lock, flags); |
| 332 | #else |
| 333 | status = input_abs_get_val(input_data, ABS_STATUS); |
| 334 | #endif |
| 335 | |
| 336 | return sprintf(buf, "%d\n", status); |
| 337 | } |
| 338 | |
| 339 | static DEVICE_ATTR(delay, S_IRUGO|S_IWUSR|S_IWGRP, |
| 340 | sensor_delay_show, sensor_delay_store); |
| 341 | static DEVICE_ATTR(enable, S_IRUGO|S_IWUSR|S_IWGRP, |
| 342 | sensor_enable_show, sensor_enable_store); |
| 343 | static DEVICE_ATTR(wake, S_IWUSR|S_IWGRP, |
| 344 | NULL, sensor_wake_store); |
| 345 | static DEVICE_ATTR(data, S_IRUGO, sensor_data_show, NULL); |
| 346 | static DEVICE_ATTR(status, S_IRUGO, sensor_status_show, NULL); |
| 347 | |
| 348 | #if DEBUG |
| 349 | static DEVICE_ATTR(debug_suspend, S_IRUGO|S_IWUSR, |
| 350 | sensor_debug_suspend_show, sensor_debug_suspend_store); |
| 351 | #endif /* DEBUG */ |
| 352 | |
| 353 | static struct attribute *sensor_attributes[] = { |
| 354 | &dev_attr_delay.attr, |
| 355 | &dev_attr_enable.attr, |
| 356 | &dev_attr_wake.attr, |
| 357 | &dev_attr_data.attr, |
| 358 | &dev_attr_status.attr, |
| 359 | #if DEBUG |
| 360 | &dev_attr_debug_suspend.attr, |
| 361 | #endif /* DEBUG */ |
| 362 | NULL |
| 363 | }; |
| 364 | |
| 365 | static struct attribute_group sensor_attribute_group = { |
| 366 | .attrs = sensor_attributes |
| 367 | }; |
| 368 | |
| 369 | static int |
| 370 | sensor_suspend(struct platform_device *pdev, pm_message_t state) |
| 371 | { |
| 372 | struct sensor_data *data = input_get_drvdata(this_data); |
| 373 | int rt = 0; |
| 374 | |
| 375 | mutex_lock(&data->mutex); |
| 376 | |
| 377 | if (data->enabled) { |
| 378 | input_report_abs(this_data, ABS_CONTROL_REPORT, (0<<16) | data->delay); |
| 379 | input_sync(this_data); |
| 380 | rt = suspend(); |
| 381 | } |
| 382 | |
| 383 | mutex_unlock(&data->mutex); |
| 384 | |
| 385 | return rt; |
| 386 | } |
| 387 | |
| 388 | static int |
| 389 | sensor_resume(struct platform_device *pdev) |
| 390 | { |
| 391 | struct sensor_data *data = input_get_drvdata(this_data); |
| 392 | int rt = 0; |
| 393 | |
| 394 | mutex_lock(&data->mutex); |
| 395 | |
| 396 | if (data->enabled) { |
| 397 | rt = resume(); |
| 398 | input_report_abs(this_data, ABS_CONTROL_REPORT, (1<<16) | data->delay); |
| 399 | input_sync(this_data); |
| 400 | } |
| 401 | |
| 402 | mutex_unlock(&data->mutex); |
| 403 | |
| 404 | return rt; |
| 405 | } |
| 406 | |
| 407 | #ifdef MEDIATEK_CODE |
| 408 | |
| 409 | #define OSENSOR 0x85 |
| 410 | #define OSENSOR_IOCTL_READ_POSTUREDATA _IO(OSENSOR, 0x01) |
| 411 | /* |
| 412 | static int |
| 413 | ioctl_read_sensordata(unsigned long args) |
| 414 | { |
| 415 | struct input_dev *input_data = this_data; |
| 416 | int buf[4], *p; |
| 417 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) |
| 418 | unsigned long flags; |
| 419 | |
| 420 | spin_lock_irqsave(&input_data->event_lock, flags); |
| 421 | |
| 422 | buf[0] = input_data->abs[ABS_X] / 1000; |
| 423 | buf[1] = input_data->abs[ABS_Y] / 1000; |
| 424 | buf[2] = input_data->abs[ABS_Z] / 1000; |
| 425 | buf[3] = input_data->abs[ABS_STATUS]; |
| 426 | |
| 427 | spin_unlock_irqrestore(&input_data->event_lock, flags); |
| 428 | #else |
| 429 | buf[0] = input_abs_get_val(input_data, ABS_X) / 1000; |
| 430 | buf[1] = input_abs_get_val(input_data, ABS_Y) / 1000; |
| 431 | buf[2] = input_abs_get_val(input_data, ABS_Z) / 1000; |
| 432 | buf[3] = input_abs_get_val(input_data, ABS_STATUS); |
| 433 | #endif |
| 434 | |
| 435 | p = (int*) args; |
| 436 | if (copy_to_user(p, buf, sizeof(buf))) { |
| 437 | return -EFAULT; |
| 438 | } |
| 439 | |
| 440 | return 0; |
| 441 | } |
| 442 | |
| 443 | */ |
| 444 | int |
| 445 | sensor_get_delay(void) |
| 446 | { |
| 447 | struct sensor_data *data = input_get_drvdata(this_data); |
| 448 | int delay; |
| 449 | |
| 450 | mutex_lock(&data->mutex); |
| 451 | |
| 452 | delay = data->delay; |
| 453 | |
| 454 | mutex_unlock(&data->mutex); |
| 455 | |
| 456 | return delay; |
| 457 | } |
| 458 | EXPORT_SYMBOL(sensor_get_delay); |
| 459 | |
| 460 | int |
| 461 | sensor_set_delay(int msec) |
| 462 | { |
| 463 | struct sensor_data *data = input_get_drvdata(this_data); |
| 464 | |
| 465 | if (msec < 0) { |
| 466 | return -1; |
| 467 | } |
| 468 | if (SENSOR_MAX_DELAY < msec) { |
| 469 | msec = SENSOR_MAX_DELAY; |
| 470 | } |
| 471 | |
| 472 | mutex_lock(&data->mutex); |
| 473 | |
| 474 | data->delay = msec; |
| 475 | input_report_abs(this_data, ABS_CONTROL_REPORT, (data->enabled<<16) | msec); |
| 476 | input_sync(this_data); |
| 477 | |
| 478 | mutex_unlock(&data->mutex); |
| 479 | |
| 480 | return 0; |
| 481 | } |
| 482 | EXPORT_SYMBOL(sensor_set_delay); |
| 483 | |
| 484 | int |
| 485 | sensor_get_enable(void) |
| 486 | { |
| 487 | struct sensor_data *data = input_get_drvdata(this_data); |
| 488 | int enabled; |
| 489 | |
| 490 | mutex_lock(&data->mutex); |
| 491 | |
| 492 | enabled = data->enabled; |
| 493 | |
| 494 | mutex_unlock(&data->mutex); |
| 495 | |
| 496 | return enabled; |
| 497 | } |
| 498 | EXPORT_SYMBOL(sensor_get_enable); |
| 499 | |
| 500 | int |
| 501 | sensor_set_enable(int enable) |
| 502 | { |
| 503 | struct sensor_data *data = input_get_drvdata(this_data); |
| 504 | |
| 505 | enable = !!enable; |
| 506 | |
| 507 | mutex_lock(&data->mutex); |
| 508 | |
| 509 | if (data->enabled && !enable) { |
| 510 | suspend(); |
| 511 | } |
| 512 | if (!data->enabled && enable) { |
| 513 | resume(); |
| 514 | } |
| 515 | data->enabled = enable; |
| 516 | |
| 517 | input_report_abs(this_data, ABS_CONTROL_REPORT, (enable<<16) | data->delay); |
| 518 | input_sync(this_data); |
| 519 | |
| 520 | mutex_unlock(&data->mutex); |
| 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | EXPORT_SYMBOL(sensor_set_enable); |
| 525 | |
| 526 | #endif |
| 527 | /*----------------------------------------------------------------------------*/ |
| 528 | //for data statable |
| 529 | static int oldvalue[3]; |
| 530 | |
| 531 | /*----------------------------------------------------------------------------*/ |
| 532 | int yamaha530_orientation_operate(void* self, uint32_t command, void* buff_in, int size_in, |
| 533 | void* buff_out, int size_out, int* actualout) |
| 534 | { |
| 535 | int err = 0; |
| 536 | int value, sample_delay; |
| 537 | // int status; |
| 538 | hwm_sensor_data* osensor_data; |
| 539 | // unsigned long flags; |
| 540 | struct input_dev *input_data = this_data; |
| 541 | |
| 542 | |
| 543 | printk("yamaha530_orientation_operate!\n"); |
| 544 | switch (command) |
| 545 | { |
| 546 | case SENSOR_DELAY: |
| 547 | if((buff_in == NULL) || (size_in < sizeof(int))) |
| 548 | { |
| 549 | printk("Set delay parameter error!\n"); |
| 550 | err = -EINVAL; |
| 551 | } |
| 552 | else |
| 553 | { |
| 554 | value = *(int *)buff_in; |
| 555 | if(value <= 20) |
| 556 | { |
| 557 | sample_delay = 20; |
| 558 | } |
| 559 | |
| 560 | |
| 561 | sensor_set_delay(sample_delay); |
| 562 | } |
| 563 | break; |
| 564 | |
| 565 | case SENSOR_ENABLE: |
| 566 | if((buff_in == NULL) || (size_in < sizeof(int))) |
| 567 | { |
| 568 | printk("Enable sensor parameter error!\n"); |
| 569 | err = -EINVAL; |
| 570 | } |
| 571 | else |
| 572 | { |
| 573 | value = *(int *)buff_in; |
| 574 | sensor_set_enable(value); |
| 575 | // Do nothing |
| 576 | } |
| 577 | break; |
| 578 | |
| 579 | case SENSOR_GET_DATA: |
| 580 | if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) |
| 581 | { |
| 582 | printk("get sensor data parameter error!\n"); |
| 583 | err = -EINVAL; |
| 584 | } |
| 585 | else |
| 586 | { |
| 587 | osensor_data = (hwm_sensor_data *)buff_out; |
| 588 | |
| 589 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) |
| 590 | spin_lock_irqsave(&input_data->event_lock, flags); |
| 591 | |
| 592 | osensor_data->values[0] = input_data->abs[ABS_X]; |
| 593 | osensor_data->values[1] = input_data->abs[ABS_Y]; |
| 594 | osensor_data->values[2] = input_data->abs[ABS_Z]; |
| 595 | osensor_data->status = input_data->abs[ABS_STATUS]; |
| 596 | |
| 597 | spin_unlock_irqrestore(&input_data->event_lock, flags); |
| 598 | #else |
| 599 | |
| 600 | osensor_data->values[0] = input_abs_get_val(input_data, ABS_X); |
| 601 | osensor_data->values[1] = input_abs_get_val(input_data, ABS_Y); |
| 602 | osensor_data->values[2] = input_abs_get_val(input_data, ABS_Z); |
| 603 | |
| 604 | |
| 605 | if((abs(osensor_data->values[0] - oldvalue[0]))<=5000){ |
| 606 | osensor_data->values[0] = oldvalue[0]; |
| 607 | }else if((abs(osensor_data->values[1] - oldvalue[1]))<=5000){ |
| 608 | osensor_data->values[1] = oldvalue[1]; |
| 609 | }else if((abs(osensor_data->values[2] - oldvalue[2]))<=5000){ |
| 610 | osensor_data->values[2] = oldvalue[2]; |
| 611 | } |
| 612 | |
| 613 | oldvalue[0] = osensor_data->values[0]; |
| 614 | oldvalue[1] = osensor_data->values[1]; |
| 615 | oldvalue[2] = osensor_data->values[2]; |
| 616 | |
| 617 | //osensor_data->values[3] = input_abs_get_val(input_data, ABS_STATUS); |
| 618 | osensor_data->status = input_abs_get_val(input_data, ABS_STATUS); |
| 619 | //printk("yucong debug O sensor: %d,%d,%d\n",osensor_data->values[0],osensor_data->values[1],osensor_data->values[2]); |
| 620 | #endif |
| 621 | |
| 622 | osensor_data->value_divide = 1000; |
| 623 | } |
| 624 | |
| 625 | break; |
| 626 | default: |
| 627 | printk("orientation operate function no this parameter %d!\n", command); |
| 628 | err = -1; |
| 629 | break; |
| 630 | } |
| 631 | |
| 632 | return err; |
| 633 | |
| 634 | } |
| 635 | |
| 636 | |
| 637 | static int |
| 638 | sensor_probe(struct platform_device *pdev) |
| 639 | { |
| 640 | struct sensor_data *data = NULL; |
| 641 | struct input_dev *input_data = NULL; |
| 642 | int input_registered = 0, sysfs_created = 0; |
| 643 | int rt; |
| 644 | |
| 645 | struct hwmsen_object sobj; |
| 646 | #ifdef MEDIATEK_CODE |
| 647 | // int misc_registered = 0; |
| 648 | #endif |
| 649 | //printk("yucong debug tag orientation sensor probe!func"); |
| 650 | data = kzalloc(sizeof(struct sensor_data), GFP_KERNEL); |
| 651 | if (!data) { |
| 652 | rt = -ENOMEM; |
| 653 | goto err; |
| 654 | } |
| 655 | data->enabled = 0; |
| 656 | data->delay = SENSOR_DEFAULT_DELAY; |
| 657 | |
| 658 | input_data = input_allocate_device(); |
| 659 | if (!input_data) { |
| 660 | rt = -ENOMEM; |
| 661 | printk(KERN_ERR |
| 662 | "sensor_probe: Failed to allocate input_data device\n"); |
| 663 | goto err; |
| 664 | } |
| 665 | |
| 666 | set_bit(EV_ABS, input_data->evbit); |
| 667 | input_set_abs_params(input_data, ABS_X, 0x80000000, 0x7fffffff, 0, 0); |
| 668 | #if SENSOR_TYPE <= 4 |
| 669 | input_set_abs_params(input_data, ABS_Y, 0x80000000, 0x7fffffff, 0, 0); |
| 670 | input_set_abs_params(input_data, ABS_Z, 0x80000000, 0x7fffffff, 0, 0); |
| 671 | #endif |
| 672 | input_set_abs_params(input_data, ABS_RUDDER, 0x80000000, 0x7fffffff, 0, 0); |
| 673 | input_set_abs_params(input_data, ABS_STATUS, 0, 3, 0, 0); |
| 674 | input_set_abs_params(input_data, ABS_WAKE, 0x80000000, 0x7fffffff, 0, 0); |
| 675 | input_set_abs_params(input_data, ABS_CONTROL_REPORT, 0x80000000, 0x7fffffff, 0, 0); |
| 676 | input_data->name = SENSOR_NAME; |
| 677 | |
| 678 | rt = input_register_device(input_data); |
| 679 | if (rt) { |
| 680 | printk(KERN_ERR |
| 681 | "sensor_probe: Unable to register input_data device: %s\n", |
| 682 | input_data->name); |
| 683 | goto err; |
| 684 | } |
| 685 | input_set_drvdata(input_data, data); |
| 686 | input_registered = 1; |
| 687 | |
| 688 | rt = sysfs_create_group(&input_data->dev.kobj, |
| 689 | &sensor_attribute_group); |
| 690 | if (rt) { |
| 691 | printk(KERN_ERR |
| 692 | "sensor_probe: sysfs_create_group failed[%s]\n", |
| 693 | input_data->name); |
| 694 | goto err; |
| 695 | } |
| 696 | sysfs_created = 1; |
| 697 | mutex_init(&data->mutex); |
| 698 | this_data = input_data; |
| 699 | |
| 700 | sobj.self = data; |
| 701 | sobj.polling = 1; |
| 702 | sobj.sensor_operate = yamaha530_orientation_operate; |
| 703 | if((rt = hwmsen_attach(ID_ORIENTATION, &sobj))) |
| 704 | { |
| 705 | printk("attach fail = %d\n", rt); |
| 706 | goto err; |
| 707 | } |
| 708 | |
| 709 | mutex_init(&data->mutex); |
| 710 | this_data = input_data; |
| 711 | |
| 712 | return 0; |
| 713 | |
| 714 | err: |
| 715 | if (data != NULL) { |
| 716 | if (input_data != NULL) { |
| 717 | if (sysfs_created) { |
| 718 | sysfs_remove_group(&input_data->dev.kobj, |
| 719 | &sensor_attribute_group); |
| 720 | } |
| 721 | if (input_registered) { |
| 722 | input_unregister_device(input_data); |
| 723 | } |
| 724 | else { |
| 725 | input_free_device(input_data); |
| 726 | } |
| 727 | input_data = NULL; |
| 728 | } |
| 729 | kfree(data); |
| 730 | } |
| 731 | |
| 732 | return rt; |
| 733 | } |
| 734 | |
| 735 | static int |
| 736 | sensor_remove(struct platform_device *pdev) |
| 737 | { |
| 738 | struct sensor_data *data; |
| 739 | |
| 740 | if (this_data != NULL) { |
| 741 | data = input_get_drvdata(this_data); |
| 742 | sysfs_remove_group(&this_data->dev.kobj, |
| 743 | &sensor_attribute_group); |
| 744 | input_unregister_device(this_data); |
| 745 | if (data != NULL) { |
| 746 | kfree(data); |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | return 0; |
| 751 | } |
| 752 | |
| 753 | |
| 754 | /* |
| 755 | * Module init and exit |
| 756 | */ |
| 757 | static struct platform_driver sensor_driver = { |
| 758 | .probe = sensor_probe, |
| 759 | .remove = sensor_remove, |
| 760 | .suspend = sensor_suspend, |
| 761 | .resume = sensor_resume, |
| 762 | .driver = { |
| 763 | .name = SENSOR_NAME, |
| 764 | .owner = THIS_MODULE, |
| 765 | }, |
| 766 | }; |
| 767 | |
| 768 | static int __init sensor_init(void) |
| 769 | { |
| 770 | |
| 771 | if(platform_driver_register(&sensor_driver)) |
| 772 | { |
| 773 | printk("failed to register driver"); |
| 774 | return -ENODEV; |
| 775 | } |
| 776 | return 0; |
| 777 | } |
| 778 | module_init(sensor_init); |
| 779 | |
| 780 | static void __exit sensor_exit(void) |
| 781 | { |
| 782 | platform_driver_unregister(&sensor_driver); |
| 783 | } |
| 784 | |
| 785 | module_exit(sensor_exit); |
| 786 | |
| 787 | |
| 788 | MODULE_AUTHOR("Yamaha Corporation"); |
| 789 | MODULE_LICENSE( "GPL" ); |
| 790 | MODULE_VERSION("3.1.410"); |
| 791 | |