drivers/input/sensors/sensor-dev.c

   1 /* drivers/input/sensors/sensor-dev.c - handle all gsensor in this file\r
   2  *\r
   3  * Copyright (C) 2012-2015 ROCKCHIP.\r
   4  * Author: luowei <lw@rock-chips.com>\r
   5  *\r
   6  * This software is licensed under the terms of the GNU General Public\r
   7  * License version 2, as published by the Free Software Foundation, and\r
   8  * may be copied, distributed, and modified under those terms.\r
   9  *\r
  10  * This program is distributed in the hope that it will be useful,\r
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  13  * GNU General Public License for more details.\r
  14  *\r
  15  */\r
  16 \r
  17 #include <linux/interrupt.h>\r
  18 #include <linux/i2c.h>\r
  19 #include <linux/slab.h>\r
  20 #include <linux/irq.h>\r
  21 #include <linux/miscdevice.h>\r
  22 #include <linux/gpio.h>\r
  23 #include <asm/uaccess.h>\r
  24 #include <asm/atomic.h>\r
  25 #include <linux/delay.h>\r
  26 #include <linux/input.h>\r
  27 #include <linux/workqueue.h>\r
  28 #include <linux/freezer.h>\r
  29 #include <mach/gpio.h>\r
  30 #include <mach/board.h> \r
  31 #ifdef CONFIG_HAS_EARLYSUSPEND\r
  32 #include <linux/earlysuspend.h>\r
  33 #endif\r
  34 #include <linux/akm8975.h>\r
  35 #include <linux/l3g4200d.h>\r
  36 #include <linux/sensor-dev.h>\r
  37 \r
  38 #define SENSOR_ON               1\r
  39 #define SENSOR_OFF              0\r
  40 \r
  41 #if 0\r
  42 #define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL\r
  43 #define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)\r
  44 #else\r
  45 #define DBG(x...)\r
  46 #endif\r
  47 \r
  48 struct sensor_private_data *g_sensor[SENSOR_NUM_TYPES];\r
  49 static struct sensor_operate *sensor_ops[SENSOR_NUM_ID]; \r
  50 \r
  51 static int sensor_get_id(struct i2c_client *client, int *value)\r
  52 {\r
  53         struct sensor_private_data *sensor =\r
  54             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
  55         int result = 0;\r
  56         char temp = sensor->ops->id_reg;\r
  57         int i = 0;\r
  58 \r
  59         if(sensor->ops->id_reg >= 0)\r
  60         {\r
  61                 for(i=0; i<3; i++)\r
  62                 {\r
  63                         result = sensor_rx_data(client, &temp, 1);\r
  64                         *value = temp;\r
  65                         if(!result)\r
  66                         break;\r
  67                 }\r
  68 \r
  69                 if(result)\r
  70                         return result;\r
  71 \r
  72                 if(*value != sensor->ops->id_data)\r
  73                 {\r
  74                         printk("%s:id=0x%x is not 0x%x\n",__func__,*value, sensor->ops->id_data);\r
  75                         result = -1;\r
  76                 }\r
  77                         \r
  78                 DBG("%s:devid=0x%x\n",__func__,*value);\r
  79         }\r
  80         \r
  81         return result;\r
  82 }\r
  83 \r
  84 static int sensor_initial(struct i2c_client *client)\r
  85 {\r
  86         struct sensor_private_data *sensor =\r
  87             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
  88         int result = 0;\r
  89 \r
  90         //register setting according to chip datasheet  \r
  91         result = sensor->ops->init(client);\r
  92         if(result < 0)\r
  93         {\r
  94                 printk("%s:fail to init sensor\n",__func__);\r
  95                 return result;\r
  96         }\r
  97 \r
  98 \r
  99         DBG("%s:ctrl_data=0x%x\n",__func__,sensor->ops->ctrl_data);\r
 100         \r
 101         return result;\r
 102 \r
 103 }\r
 104 \r
 105 static int sensor_chip_init(struct i2c_client *client)\r
 106 {\r
 107         struct sensor_private_data *sensor =\r
 108             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
 109         struct sensor_operate *ops = sensor_ops[(int)sensor->i2c_id->driver_data];\r
 110         int result = 0;\r
 111         \r
 112         if(ops)\r
 113         {\r
 114                 sensor->ops = ops;\r
 115         }\r
 116         else\r
 117         {\r
 118                 printk("%s:ops is null,sensor name is %s\n",__func__,sensor->i2c_id->name);\r
 119                 result = -1;\r
 120                 goto error;\r
 121         }\r
 122 \r
 123         if((sensor->type != ops->type) || ((int)sensor->i2c_id->driver_data != ops->id_i2c))\r
 124         {\r
 125                 printk("%s:type or id is different:type=%d,%d,id=%d,%d\n",__func__,sensor->type, ops->type, (int)sensor->i2c_id->driver_data, ops->id_i2c);\r
 126                 result = -1;\r
 127                 goto error;\r
 128         }\r
 129         \r
 130         if(!ops->init || !ops->active || !ops->report)\r
 131         {\r
 132                 printk("%s:error:some function is needed\n",__func__);          \r
 133                 result = -1;\r
 134                 goto error;\r
 135         }\r
 136 \r
 137         result = sensor_get_id(sensor->client, &sensor->devid);//get id\r
 138         if(result < 0)\r
 139         {       \r
 140                 printk("%s:fail to read %s devid:0x%x\n",__func__, sensor->i2c_id->name, sensor->devid);        \r
 141                 goto error;\r
 142         }\r
 143         \r
 144         printk("%s:%s:devid=0x%x,ops=0x%p\n",__func__, sensor->i2c_id->name, sensor->devid,sensor->ops);\r
 145 \r
 146         result = sensor_initial(sensor->client);        //init sensor\r
 147         if(result < 0)\r
 148         {       \r
 149                 printk("%s:fail to init sensor\n",__func__);            \r
 150                 goto error;\r
 151         }\r
 152 \r
 153         return 0;\r
 154 \r
 155 error:\r
 156         \r
 157         return result;\r
 158 }\r
 159 \r
 160 static int sensor_reset_rate(struct i2c_client *client, int rate)\r
 161 {\r
 162         struct sensor_private_data *sensor =\r
 163             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
 164         int result = 0; \r
 165         \r
 166         result = sensor->ops->active(client,SENSOR_OFF,rate);\r
 167         sensor->ops->init(client);\r
 168         result = sensor->ops->active(client,SENSOR_ON,rate);\r
 169 \r
 170         return result;\r
 171 }\r
 172 \r
 173 static int sensor_get_data(struct i2c_client *client)\r
 174 {\r
 175         struct sensor_private_data *sensor =\r
 176             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
 177         int result = 0;\r
 178         \r
 179         result = sensor->ops->report(client);\r
 180         if(result)\r
 181                 goto error;\r
 182 \r
 183         /* set data_ready */\r
 184         atomic_set(&sensor->data_ready, 1);\r
 185         /*wake up data_ready  work queue*/\r
 186         wake_up(&sensor->data_ready_wq);\r
 187         \r
 188 error:          \r
 189         return result;\r
 190 }\r
 191 \r
 192 #if 0\r
 193 int sensor_get_cached_data(struct i2c_client* client, char *buffer, int length, struct sensor_axis *axis)\r
 194 {\r
 195     struct sensor_private_data* sensor = (struct sensor_private_data *)i2c_get_clientdata(client);      \r
 196     wait_event_interruptible_timeout(sensor->data_ready_wq, \r
 197                                      atomic_read(&(sensor->data_ready) ),\r
 198                                      msecs_to_jiffies(1000) );\r
 199     if ( 0 == atomic_read(&(sensor->data_ready) ) ) {\r
 200         printk("waiting 'data_ready_wq' timed out.");\r
 201         goto error;\r
 202     }\r
 203 \r
 204         \r
 205         mutex_lock(&sensor->data_mutex);\r
 206 \r
 207         switch(sensor->type)\r
 208         {\r
 209                 case SENSOR_TYPE_ACCEL:\r
 210                 *axis = sensor->axis;\r
 211                 break;\r
 212 \r
 213                 case SENSOR_TYPE_COMPASS:\r
 214                 memcpy(buffer, sensor->sensor_data, length);\r
 215                 break;\r
 216         }\r
 217         \r
 218         mutex_unlock(&sensor->data_mutex);\r
 219         \r
 220     return 0;\r
 221         \r
 222 error:\r
 223         return -1;\r
 224 }\r
 225 #endif\r
 226 \r
 227 static void  sensor_delaywork_func(struct work_struct *work)\r
 228 {\r
 229         struct delayed_work *delaywork = container_of(work, struct delayed_work, work);\r
 230         struct sensor_private_data *sensor = container_of(delaywork, struct sensor_private_data, delaywork);\r
 231         struct i2c_client *client = sensor->client;\r
 232 \r
 233         mutex_lock(&sensor->sensor_mutex);      \r
 234         if (sensor_get_data(client) < 0) \r
 235                 DBG(KERN_ERR "%s: Get data failed\n",__func__);\r
 236         \r
 237         if(!sensor->pdata->irq_enable)//restart work while polling\r
 238         schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 239         //else\r
 240         //{\r
 241                 //if((sensor->ops->trig == IRQF_TRIGGER_LOW) || (sensor->ops->trig == IRQF_TRIGGER_HIGH))\r
 242                 //enable_irq(sensor->client->irq);\r
 243         //}\r
 244         mutex_unlock(&sensor->sensor_mutex);\r
 245         \r
 246         DBG("%s:%s\n",__func__,sensor->i2c_id->name);\r
 247 }\r
 248 \r
 249 /*\r
 250  * This is a threaded IRQ handler so can access I2C/SPI.  Since all\r
 251  * interrupts are clear on read the IRQ line will be reasserted and\r
 252  * the physical IRQ will be handled again if another interrupt is\r
 253  * asserted while we run - in the normal course of events this is a\r
 254  * rare occurrence so we save I2C/SPI reads.  We're also assuming that\r
 255  * it's rare to get lots of interrupts firing simultaneously so try to\r
 256  * minimise I/O.\r
 257  */\r
 258 static irqreturn_t sensor_interrupt(int irq, void *dev_id)\r
 259 {\r
 260         struct sensor_private_data *sensor = (struct sensor_private_data *)dev_id;\r
 261 \r
 262         //use threaded IRQ\r
 263         if (sensor_get_data(sensor->client) < 0) \r
 264                 DBG(KERN_ERR "%s: Get data failed\n",__func__);\r
 265         msleep(sensor->pdata->poll_delay_ms);\r
 266 \r
 267         \r
 268         //if((sensor->ops->trig == IRQF_TRIGGER_LOW) || (sensor->ops->trig == IRQF_TRIGGER_HIGH))\r
 269         //disable_irq_nosync(irq);\r
 270         //schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 271         DBG("%s:irq=%d\n",__func__,irq);\r
 272         return IRQ_HANDLED;\r
 273 }\r
 274 \r
 275 \r
 276 static int sensor_irq_init(struct i2c_client *client)\r
 277 {\r
 278         struct sensor_private_data *sensor =\r
 279             (struct sensor_private_data *) i2c_get_clientdata(client);  \r
 280         int result = 0;\r
 281         int irq;\r
 282         if((sensor->pdata->irq_enable)&&(sensor->ops->trig != SENSOR_UNKNOW_DATA))\r
 283         {\r
 284                 //INIT_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 285                 if(sensor->pdata->poll_delay_ms < 0)\r
 286                         sensor->pdata->poll_delay_ms = 30;\r
 287                 \r
 288                 result = gpio_request(client->irq, sensor->i2c_id->name);\r
 289                 if (result)\r
 290                 {\r
 291                         printk("%s:fail to request gpio :%d\n",__func__,client->irq);\r
 292                 }\r
 293         \r
 294                 gpio_pull_updown(client->irq, PullEnable);\r
 295                 irq = gpio_to_irq(client->irq);\r
 296                 //result = request_irq(irq, sensor_interrupt, sensor->ops->trig, sensor->ops->name, sensor);\r
 297                 result = request_threaded_irq(irq, NULL, sensor_interrupt, sensor->ops->trig, sensor->ops->name, sensor);\r
 298                 if (result) {\r
 299                         printk(KERN_ERR "%s:fail to request irq = %d, ret = 0x%x\n",__func__, irq, result);            \r
 300                         goto error;            \r
 301                 }\r
 302                 client->irq = irq;\r
 303                 if((sensor->pdata->type == SENSOR_TYPE_GYROSCOPE))\r
 304                 disable_irq_nosync(client->irq);//disable irq\r
 305                 printk("%s:use irq=%d\n",__func__,irq);\r
 306         }\r
 307         else if(!sensor->pdata->irq_enable)\r
 308         {               \r
 309                 INIT_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 310                 if(sensor->pdata->poll_delay_ms < 0)\r
 311                         sensor->pdata->poll_delay_ms = 30;\r
 312                 \r
 313                 printk("%s:use polling,delay=%d ms\n",__func__,sensor->pdata->poll_delay_ms);\r
 314         }\r
 315 \r
 316 error:  \r
 317         return result;\r
 318 }\r
 319 \r
 320 \r
 321 static void sensor_suspend(struct early_suspend *h)\r
 322 {\r
 323         struct sensor_private_data *sensor = \r
 324                         container_of(h, struct sensor_private_data, early_suspend);\r
 325         \r
 326         if(sensor->ops->suspend)\r
 327                 sensor->ops->suspend(sensor->client);\r
 328 \r
 329 }\r
 330 \r
 331 static void sensor_resume(struct early_suspend *h)\r
 332 {\r
 333         struct sensor_private_data *sensor = \r
 334                         container_of(h, struct sensor_private_data, early_suspend);\r
 335 \r
 336         if(sensor->ops->resume)\r
 337                 sensor->ops->resume(sensor->client);\r
 338 }\r
 339 \r
 340 static int gsensor_dev_open(struct inode *inode, struct file *file)\r
 341 {\r
 342         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];     \r
 343         //struct i2c_client *client = sensor->client;\r
 344 \r
 345         int result = 0;\r
 346 \r
 347 \r
 348         return result;\r
 349 }\r
 350 \r
 351 \r
 352 static int gsensor_dev_release(struct inode *inode, struct file *file)\r
 353 {\r
 354         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];     \r
 355         //struct i2c_client *client = sensor->client;\r
 356 \r
 357         int result = 0;\r
 358 \r
 359 \r
 360         return result;\r
 361 }\r
 362 \r
 363 /* ioctl - I/O control */\r
 364 static long gsensor_dev_ioctl(struct file *file,\r
 365                           unsigned int cmd, unsigned long arg)\r
 366 {\r
 367         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];\r
 368         struct i2c_client *client = sensor->client;\r
 369         void __user *argp = (void __user *)arg;\r
 370         struct sensor_axis axis = {0};\r
 371         char rate;\r
 372         int result = 0;\r
 373 \r
 374         switch (cmd) {\r
 375         case GSENSOR_IOCTL_APP_SET_RATE:\r
 376                 if (copy_from_user(&rate, argp, sizeof(rate)))\r
 377                 {\r
 378                         result = -EFAULT;\r
 379                         goto error;\r
 380                 }\r
 381                 break;\r
 382         default:\r
 383                 break;\r
 384         }
 385
 386         switch (cmd) {
 387         case GSENSOR_IOCTL_START:       \r
 388                 DBG("%s:GSENSOR_IOCTL_START start,status=%d\n", __func__,sensor->status_cur);\r
 389                 mutex_lock(&sensor->operation_mutex);   \r
 390                 if(++sensor->start_count == 1)\r
 391                 {\r
 392                         if(sensor->status_cur == SENSOR_OFF)\r
 393                         {\r
 394                                 atomic_set(&(sensor->data_ready), 0);\r
 395                                 if ( (result = sensor->ops->active(client, 1, 0) ) < 0 ) {\r
 396                                         mutex_unlock(&sensor->operation_mutex);\r
 397                                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 398                                         goto error;           \r
 399                                 }                       \r
 400                                 if(sensor->pdata->irq_enable)\r
 401                                 {\r
 402                                         //printk("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 403                                         //enable_irq(client->irq);      //enable irq\r
 404                                 }       \r
 405                                 else\r
 406                                 {\r
 407                                         PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 408                                         schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 409                                 }\r
 410                                 sensor->status_cur = SENSOR_ON;\r
 411                         }       \r
 412                 }\r
 413                 mutex_unlock(&sensor->operation_mutex);\r
 414                 DBG("%s:GSENSOR_IOCTL_START OK\n", __func__);\r
 415                 break;\r
 416
 417         case GSENSOR_IOCTL_CLOSE:                               \r
 418                 DBG("%s:GSENSOR_IOCTL_CLOSE start,status=%d\n", __func__,sensor->status_cur);\r
 419                 mutex_lock(&sensor->operation_mutex);           \r
 420                 if(--sensor->start_count == 0)\r
 421                 {\r
 422                         if(sensor->status_cur == SENSOR_ON)\r
 423                         {\r
 424                                 atomic_set(&(sensor->data_ready), 0);\r
 425                                 if ( (result = sensor->ops->active(client, 0, 0) ) < 0 ) {\r
 426                                         mutex_unlock(&sensor->operation_mutex);              \r
 427                                         goto error;\r
 428                                 }\r
 429                                 \r
 430                                 if(sensor->pdata->irq_enable)\r
 431                                 {                               \r
 432                                         //printk("%s:disable irq,irq=%d\n",__func__,client->irq);\r
 433                                         //disable_irq_nosync(client->irq);//disable irq\r
 434                                 }\r
 435                                 else\r
 436                                 cancel_delayed_work_sync(&sensor->delaywork);           \r
 437                                 sensor->status_cur = SENSOR_OFF;\r
 438                         }\r
 439                         \r
 440                         DBG("%s:GSENSOR_IOCTL_CLOSE OK\n", __func__);\r
 441                 }\r
 442                 \r
 443                 mutex_unlock(&sensor->operation_mutex); \r
 444                 break;\r
 445
 446         case GSENSOR_IOCTL_APP_SET_RATE:                \r
 447                 DBG("%s:GSENSOR_IOCTL_APP_SET_RATE start\n", __func__);         \r
 448                 mutex_lock(&sensor->operation_mutex);   \r
 449                 result = sensor_reset_rate(client, rate);\r
 450                 if (result < 0){\r
 451                         mutex_unlock(&sensor->operation_mutex);\r
 452                         goto error;\r
 453                 }\r
 454                 if(sensor->status_cur == SENSOR_OFF)\r
 455                 {               \r
 456                         if(sensor->pdata->irq_enable)\r
 457                         {\r
 458                                 //printk("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 459                                 //enable_irq(client->irq);      //enable irq\r
 460                         }       \r
 461                         else\r
 462                         {\r
 463                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 464                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 465                         }\r
 466                         sensor->status_cur = SENSOR_ON;\r
 467                 }                       \r
 468                 mutex_unlock(&sensor->operation_mutex); \r
 469                 DBG("%s:GSENSOR_IOCTL_APP_SET_RATE OK\n", __func__);\r
 470                 break;\r
 471                 \r
 472         case GSENSOR_IOCTL_GETDATA:\r
 473                 mutex_lock(&sensor->data_mutex);\r
 474                 memcpy(&axis, &sensor->axis, sizeof(sensor->axis));     //get data from buffer\r
 475                 mutex_unlock(&sensor->data_mutex);              \r
 476                 break;\r
 477         default:\r
 478                 result = -ENOTTY;\r
 479         goto error;\r
 480         }
 481
 482         switch (cmd) {
 483         case GSENSOR_IOCTL_GETDATA:\r
 484                 if ( copy_to_user(argp, &axis, sizeof(axis) ) ) {\r
 485                     printk("failed to copy sense data to user space.");\r
 486                                 result = -EFAULT;                       \r
 487                                 goto error;\r
 488                 }               \r
 489                 DBG("%s:GSENSOR_IOCTL_GETDATA OK\n", __func__);\r
 490                 break;
 491         default:
 492                 break;
 493         }\r
 494         \r
 495 error:\r
 496         return result;\r
 497 }\r
 498 \r
 499 \r
 500 static int compass_dev_open(struct inode *inode, struct file *file)\r
 501 {\r
 502         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 503         //struct i2c_client *client = sensor->client;\r
 504         int result = 0;\r
 505         \r
 506         //to do\r
 507         return result;\r
 508 }\r
 509 \r
 510 \r
 511 static int compass_dev_release(struct inode *inode, struct file *file)\r
 512 {\r
 513         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 514         //struct i2c_client *client = sensor->client;   \r
 515         int result = 0;\r
 516 \r
 517         //to do\r
 518         return result;\r
 519 }\r
 520 \r
 521 \r
 522 /* ioctl - I/O control */\r
 523 static long compass_dev_ioctl(struct file *file,\r
 524                           unsigned int cmd, unsigned long arg)\r
 525 {\r
 526         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 527         //struct i2c_client *client = sensor->client;\r
 528         //void __user *argp = (void __user *)arg;\r
 529         int result = 0;\r
 530         \r
 531         //to do\r
 532         return result;\r
 533 }\r
 534 \r
 535 static int gyro_dev_open(struct inode *inode, struct file *file)\r
 536 {\r
 537         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];\r
 538         //struct i2c_client *client = sensor->client;\r
 539 \r
 540         int result = 0;\r
 541 \r
 542 \r
 543         return result;\r
 544 }\r
 545 \r
 546 \r
 547 static int gyro_dev_release(struct inode *inode, struct file *file)\r
 548 {\r
 549         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];\r
 550         //struct i2c_client *client = sensor->client;\r
 551 \r
 552         int result = 0;\r
 553 \r
 554 \r
 555         return result;\r
 556 }\r
 557 \r
 558 \r
 559 /* ioctl - I/O control */\r
 560 static long gyro_dev_ioctl(struct file *file,\r
 561                           unsigned int cmd, unsigned long arg)\r
 562 {\r
 563         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];   \r
 564         struct i2c_client *client = sensor->client;     \r
 565         void __user *argp = (void __user *)arg;\r
 566         int result = 0;\r
 567         char rate;\r
 568         switch (cmd) {\r
 569         case L3G4200D_IOCTL_GET_ENABLE: \r
 570                 result = !sensor->status_cur;\r
 571                 if (copy_to_user(argp, &result, sizeof(result)))\r
 572                 {\r
 573                         printk("%s:failed to copy status to user space.\n",__FUNCTION__);\r
 574                         return -EFAULT;\r
 575                 }\r
 576                 \r
 577                 DBG("%s :L3G4200D_IOCTL_GET_ENABLE,status=%d\n",__FUNCTION__,result);   \r
 578                 break;\r
 579         case L3G4200D_IOCTL_SET_ENABLE:                 \r
 580                 DBG("%s :L3G4200D_IOCTL_SET_ENABLE,flag=%d\n",__FUNCTION__,*(unsigned int *)argp);\r
 581                 mutex_lock(&sensor->operation_mutex);   \r
 582                 if(*(unsigned int *)argp)\r
 583                 {\r
 584                         if(sensor->status_cur == SENSOR_OFF)\r
 585                         {\r
 586                                 if ( (result = sensor->ops->active(client, 1, ODR100_BW12_5) ) < 0 ) {\r
 587                                 mutex_unlock(&sensor->operation_mutex);\r
 588                                 printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 589                                 goto error;           \r
 590                                 }                       \r
 591                                 if(sensor->pdata->irq_enable)\r
 592                                 {\r
 593                                         DBG("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 594                                         enable_irq(client->irq);        //enable irq\r
 595                                 }       \r
 596                                 else\r
 597                                 {\r
 598                                         PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 599                                         schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 600                                 }\r
 601                                 sensor->status_cur = SENSOR_ON;\r
 602                         }       \r
 603                 }\r
 604                 else\r
 605                 {\r
 606                         if(sensor->status_cur == SENSOR_ON)\r
 607                         {\r
 608                                 if ( (result = sensor->ops->active(client, 0, 0) ) < 0 ) {\r
 609                                 mutex_unlock(&sensor->operation_mutex);              \r
 610                                 goto error;\r
 611                                 }\r
 612                                 \r
 613                                 if(sensor->pdata->irq_enable)\r
 614                                 {                               \r
 615                                         DBG("%s:disable irq,irq=%d\n",__func__,client->irq);\r
 616                                         disable_irq_nosync(client->irq);//disable irq\r
 617                                 }\r
 618                                 else\r
 619                                 cancel_delayed_work_sync(&sensor->delaywork);           \r
 620                                 sensor->status_cur = SENSOR_OFF;\r
 621                         }\r
 622                 }\r
 623         \r
 624                 result = sensor->status_cur;\r
 625                 if (copy_to_user(argp, &result, sizeof(result)))\r
 626                 {\r
 627                         printk("%s:failed to copy sense data to user space.\n",__FUNCTION__);\r
 628                         return -EFAULT;\r
 629                 }\r
 630 \r
 631                 mutex_unlock(&sensor->operation_mutex);\r
 632                 DBG("%s:L3G4200D_IOCTL_SET_ENABLE OK\n", __func__);\r
 633                 break;\r
 634         case L3G4200D_IOCTL_SET_DELAY:                                  \r
 635                 mutex_lock(&sensor->operation_mutex);\r
 636                 if (copy_from_user(&rate, argp, sizeof(rate)))\r
 637                 return -EFAULT;\r
 638                 if(sensor->status_cur == SENSOR_OFF)\r
 639                 {\r
 640                         if ( (result = sensor->ops->active(client, 1, rate) ) < 0 ) {\r
 641                         mutex_unlock(&sensor->operation_mutex);\r
 642                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 643                         goto error;           \r
 644                         }\r
 645                         \r
 646                         if(sensor->pdata->irq_enable)\r
 647                         {\r
 648                                 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 649                                 enable_irq(client->irq);        //enable irq\r
 650                         }       \r
 651                         else\r
 652                         {\r
 653                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 654                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 655                         }\r
 656                         sensor->status_cur = SENSOR_ON;\r
 657                 }       \r
 658                 \r
 659                 mutex_unlock(&sensor->operation_mutex);\r
 660                 DBG("%s :L3G4200D_IOCTL_SET_DELAY,rate=%d\n",__FUNCTION__,rate);\r
 661                 break;\r
 662 \r
 663         default:\r
 664                 printk("%s:error,cmd=0x%x\n",__func__,cmd);\r
 665                 return -ENOTTY;\r
 666         }\r
 667         \r
 668         DBG("%s:line=%d,cmd=0x%x\n",__func__,__LINE__,cmd);\r
 669 \r
 670 error:\r
 671         return result;\r
 672 }\r
 673 \r
 674 static int light_dev_open(struct inode *inode, struct file *file)\r
 675 {\r
 676         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 677         //struct i2c_client *client = sensor->client;   \r
 678         int result = 0; \r
 679 \r
 680 \r
 681         return result;\r
 682 }\r
 683 \r
 684 \r
 685 \r
 686 \r
 687 static int light_dev_release(struct inode *inode, struct file *file)\r
 688 {\r
 689         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 690         //struct i2c_client *client = sensor->client;   \r
 691         int result = 0;\r
 692 \r
 693 \r
 694         return result;\r
 695 }\r
 696 \r
 697 \r
 698 /* ioctl - I/O control */\r
 699 static long light_dev_ioctl(struct file *file,\r
 700                           unsigned int cmd, unsigned long arg)\r
 701 {\r
 702         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 703         struct i2c_client *client = sensor->client;\r
 704         unsigned int *argp = (unsigned int *)arg;       \r
 705         int result = 0;\r
 706 \r
 707         switch(cmd)\r
 708         {\r
 709                 case LIGHTSENSOR_IOCTL_GET_ENABLED:
 710                         *argp = sensor->status_cur;\r
 711                         break;
 712                 case LIGHTSENSOR_IOCTL_ENABLE:          \r
 713                         DBG("%s:LIGHTSENSOR_IOCTL_ENABLE start\n", __func__);\r
 714                         mutex_lock(&sensor->operation_mutex);    \r
 715                         if(*(unsigned int *)argp)\r
 716                         {\r
 717                                 if(sensor->status_cur == SENSOR_OFF)\r
 718                                 {\r
 719                                         if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {\r
 720                                         mutex_unlock(&sensor->operation_mutex);\r
 721                                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 722                                         goto error;           \r
 723                                         }       \r
 724                                         \r
 725                                         if(!sensor->pdata->irq_enable)\r
 726                                         {\r
 727                                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 728                                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 729                                         }\r
 730                                         sensor->status_cur = SENSOR_ON;\r
 731                                 }       \r
 732                         }\r
 733                         else\r
 734                         {\r
 735                                 if(sensor->status_cur == SENSOR_ON)\r
 736                                 {\r
 737                                         if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {\r
 738                                         mutex_unlock(&sensor->operation_mutex);              \r
 739                                         goto error;\r
 740                                         }\r
 741                                         \r
 742                                         if(!sensor->pdata->irq_enable)\r
 743                                         cancel_delayed_work_sync(&sensor->delaywork);           \r
 744                                         sensor->status_cur = SENSOR_OFF;\r
 745                                 }\r
 746                         }\r
 747                         mutex_unlock(&sensor->operation_mutex);\r
 748                         DBG("%s:LIGHTSENSOR_IOCTL_ENABLE OK\n", __func__);\r
 749                         break;\r
 750                 \r
 751                 default:\r
 752                         break;\r
 753         }\r
 754         \r
 755 error:\r
 756         return result;\r
 757 }\r
 758 \r
 759 \r
 760 static int proximity_dev_open(struct inode *inode, struct file *file)\r
 761 {\r
 762         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 763         //struct i2c_client *client = sensor->client;   \r
 764         int result = 0;\r
 765 \r
 766 \r
 767         return result;\r
 768 }\r
 769 \r
 770 \r
 771 static int proximity_dev_release(struct inode *inode, struct file *file)\r
 772 {\r
 773         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 774         //struct i2c_client *client = sensor->client;   \r
 775         int result = 0;\r
 776 \r
 777 \r
 778         return result;\r
 779 }\r
 780 \r
 781 \r
 782 /* ioctl - I/O control */\r
 783 static long proximity_dev_ioctl(struct file *file,\r
 784                           unsigned int cmd, unsigned long arg)\r
 785 {\r
 786         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 787         struct i2c_client *client = sensor->client;     \r
 788         unsigned int *argp = (unsigned int *)arg;       \r
 789         int result = 0;\r
 790         switch(cmd)\r
 791         {\r
 792                 case PSENSOR_IOCTL_GET_ENABLED:\r
 793                         *argp = sensor->status_cur;\r
 794                         break;
 795                 case PSENSOR_IOCTL_ENABLE:              \r
 796                         DBG("%s:PSENSOR_IOCTL_ENABLE start\n", __func__);\r
 797                         mutex_lock(&sensor->operation_mutex);    \r
 798                         if(*(unsigned int *)argp)\r
 799                         {\r
 800                                 if(sensor->status_cur == SENSOR_OFF)\r
 801                                 {\r
 802                                         if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {\r
 803                                         mutex_unlock(&sensor->operation_mutex);\r
 804                                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 805                                         goto error;           \r
 806                                         }\r
 807                                         \r
 808                                         if(!sensor->pdata->irq_enable)\r
 809                                         {\r
 810                                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 811                                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 812                                         }\r
 813                                         sensor->status_cur = SENSOR_ON;\r
 814                                 }       \r
 815                         }\r
 816                         else\r
 817                         {\r
 818                                 if(sensor->status_cur == SENSOR_ON)\r
 819                                 {\r
 820                                         if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {\r
 821                                         mutex_unlock(&sensor->operation_mutex);              \r
 822                                         goto error;\r
 823                                         }\r
 824                                         if(!sensor->pdata->irq_enable)\r
 825                                         cancel_delayed_work_sync(&sensor->delaywork);           \r
 826                                         sensor->status_cur = SENSOR_OFF;\r
 827                                 }\r
 828                         }\r
 829                         mutex_unlock(&sensor->operation_mutex);\r
 830                         DBG("%s:PSENSOR_IOCTL_ENABLE OK\n", __func__);\r
 831                         break;\r
 832                 \r
 833                 default:\r
 834                         break;\r
 835         }\r
 836         \r
 837 error:\r
 838         return result;\r
 839 }\r
 840 \r
 841 static int temperature_dev_open(struct inode *inode, struct file *file)\r
 842 {\r
 843         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 844         //struct i2c_client *client = sensor->client;\r
 845 \r
 846         int result = 0;\r
 847 \r
 848 \r
 849         return result;\r
 850 }\r
 851 \r
 852 \r
 853 static int temperature_dev_release(struct inode *inode, struct file *file)\r
 854 {\r
 855         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 856         //struct i2c_client *client = sensor->client;\r
 857 \r
 858         int result = 0;\r
 859 \r
 860 \r
 861         return result;\r
 862 }\r
 863 \r
 864 \r
 865 /* ioctl - I/O control */\r
 866 static long temperature_dev_ioctl(struct file *file,\r
 867                           unsigned int cmd, unsigned long arg)\r
 868 {\r
 869         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 870         //struct i2c_client *client = sensor->client;\r
 871         //void __user *argp = (void __user *)arg;\r
 872         int result = 0;\r
 873         \r
 874 \r
 875         return result;\r
 876 }\r
 877 \r
 878 \r
 879 static int sensor_misc_device_register(struct sensor_private_data *sensor, int type)\r
 880 {\r
 881         int result = 0;\r
 882         \r
 883         switch(type)\r
 884         {\r
 885                 case SENSOR_TYPE_ACCEL:\r
 886                         if(!sensor->ops->misc_dev)\r
 887                         {\r
 888                                 sensor->fops.owner = THIS_MODULE;\r
 889                                 sensor->fops.unlocked_ioctl = gsensor_dev_ioctl;\r
 890                                 sensor->fops.open = gsensor_dev_open;\r
 891                                 sensor->fops.release = gsensor_dev_release;\r
 892 \r
 893                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 894                                 sensor->miscdev.name = "mma8452_daemon";\r
 895                                 sensor->miscdev.fops = &sensor->fops;\r
 896                         }\r
 897                         else\r
 898                         {\r
 899                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 900 \r
 901                         }\r
 902                                 \r
 903                         break;\r
 904 \r
 905                 case SENSOR_TYPE_COMPASS:                       \r
 906                         if(!sensor->ops->misc_dev)\r
 907                         {\r
 908                                 sensor->fops.owner = THIS_MODULE;\r
 909                                 sensor->fops.unlocked_ioctl = compass_dev_ioctl;\r
 910                                 sensor->fops.open = compass_dev_open;\r
 911                                 sensor->fops.release = compass_dev_release;\r
 912 \r
 913                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 914                                 sensor->miscdev.name = "compass";\r
 915                                 sensor->miscdev.fops = &sensor->fops;\r
 916                         }\r
 917                         else\r
 918                         {\r
 919                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 920 \r
 921                         }\r
 922 \r
 923                         break;\r
 924 \r
 925                 case SENSOR_TYPE_GYROSCOPE:                     \r
 926                         if(!sensor->ops->misc_dev)\r
 927                         {\r
 928                                 sensor->fops.owner = THIS_MODULE;\r
 929                                 sensor->fops.unlocked_ioctl = gyro_dev_ioctl;\r
 930                                 sensor->fops.open = gyro_dev_open;\r
 931                                 sensor->fops.release = gyro_dev_release;\r
 932 \r
 933                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 934                                 sensor->miscdev.name = "gyrosensor";\r
 935                                 sensor->miscdev.fops = &sensor->fops;\r
 936                         }\r
 937                         else\r
 938                         {\r
 939                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 940 \r
 941                         }\r
 942                         \r
 943                         break;\r
 944 \r
 945                 case SENSOR_TYPE_LIGHT:\r
 946                         if(!sensor->ops->misc_dev)\r
 947                         {\r
 948                                 sensor->fops.owner = THIS_MODULE;\r
 949                                 sensor->fops.unlocked_ioctl = light_dev_ioctl;\r
 950                                 sensor->fops.open = light_dev_open;\r
 951                                 sensor->fops.release = light_dev_release;\r
 952 \r
 953                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 954                                 sensor->miscdev.name = "lightsensor";\r
 955                                 sensor->miscdev.fops = &sensor->fops;\r
 956                         }       \r
 957                         else\r
 958                         {\r
 959                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 960 \r
 961                         }\r
 962                         break;\r
 963                 \r
 964                 case SENSOR_TYPE_PROXIMITY:\r
 965                         if(!sensor->ops->misc_dev)\r
 966                         {\r
 967                                 sensor->fops.owner = THIS_MODULE;\r
 968                                 sensor->fops.unlocked_ioctl = proximity_dev_ioctl;\r
 969                                 sensor->fops.open = proximity_dev_open;\r
 970                                 sensor->fops.release = proximity_dev_release;\r
 971 \r
 972                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 973                                 sensor->miscdev.name = "psensor";\r
 974                                 sensor->miscdev.fops = &sensor->fops;\r
 975                         }       \r
 976                         else\r
 977                         {\r
 978                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 979 \r
 980                         }\r
 981                         break;\r
 982 \r
 983                 case SENSOR_TYPE_TEMPERATURE:\r
 984                         if(!sensor->ops->misc_dev)\r
 985                         {\r
 986                                 sensor->fops.owner = THIS_MODULE;\r
 987                                 sensor->fops.unlocked_ioctl = temperature_dev_ioctl;\r
 988                                 sensor->fops.open = temperature_dev_open;\r
 989                                 sensor->fops.release = temperature_dev_release;\r
 990 \r
 991                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 992                                 sensor->miscdev.name = "temperature";\r
 993                                 sensor->miscdev.fops = &sensor->fops;\r
 994                         }       \r
 995                         else\r
 996                         {\r
 997                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 998 \r
 999                         }\r
1000                                 \r
1001                         break;\r
1002 \r
1003                 default:\r
1004                         printk("%s:unknow sensor type=%d\n",__func__,type);\r
1005                         result = -1;\r
1006                         goto error;\r
1007         }\r
1008                         \r
1009         sensor->miscdev.parent = &sensor->client->dev;\r
1010         result = misc_register(&sensor->miscdev);\r
1011         if (result < 0) {\r
1012                 dev_err(&sensor->client->dev,\r
1013                         "fail to register misc device %s\n", sensor->miscdev.name);\r
1014                 goto error;\r
1015         }\r
1016         \r
1017         printk("%s:miscdevice: %s\n",__func__,sensor->miscdev.name);\r
1018 \r
1019 error:  \r
1020         \r
1021         return result;\r
1022 \r
1023 }\r
1024 \r
1025 int sensor_register_slave(int type,struct i2c_client *client,\r
1026                         struct sensor_platform_data *slave_pdata,\r
1027                         struct sensor_operate *(*get_sensor_ops)(void))\r
1028 {\r
1029         int result = 0;\r
1030         struct sensor_operate *ops = get_sensor_ops();\r
1031         if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))\r
1032         {       \r
1033                 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);\r
1034                 return -1;      \r
1035         }\r
1036         sensor_ops[ops->id_i2c] = ops;\r
1037         printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);\r
1038         return result;\r
1039 }\r
1040 \r
1041 \r
1042 int sensor_unregister_slave(int type,struct i2c_client *client,\r
1043                         struct sensor_platform_data *slave_pdata,\r
1044                         struct sensor_operate *(*get_sensor_ops)(void))\r
1045 {\r
1046         int result = 0;\r
1047         struct sensor_operate *ops = get_sensor_ops();\r
1048         if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))\r
1049         {       \r
1050                 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);\r
1051                 return -1;      \r
1052         }\r
1053         printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);\r
1054         sensor_ops[ops->id_i2c] = NULL; \r
1055         return result;\r
1056 }\r
1057 \r
1058 \r
1059 int sensor_probe(struct i2c_client *client, const struct i2c_device_id *devid)\r
1060 {\r
1061         struct sensor_private_data *sensor =\r
1062             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1063         struct sensor_platform_data *pdata;\r
1064         int result = 0;\r
1065         int type = 0;\r
1066         dev_info(&client->adapter->dev, "%s: %s,0x%x\n", __func__, devid->name,(unsigned int)client);\r
1067 \r
1068         if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {\r
1069                 result = -ENODEV;\r
1070                 goto out_no_free;\r
1071         }\r
1072 \r
1073         pdata = client->dev.platform_data;\r
1074         if (!pdata) {\r
1075                 dev_err(&client->adapter->dev,\r
1076                         "Missing platform data for slave %s\n", devid->name);\r
1077                 result = -EFAULT;\r
1078                 goto out_no_free;\r
1079         }\r
1080 \r
1081         sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);\r
1082         if (!sensor) {\r
1083                 result = -ENOMEM;\r
1084                 goto out_no_free;\r
1085         }\r
1086 \r
1087         type= pdata->type;      \r
1088         \r
1089         if((type >= SENSOR_NUM_TYPES) || (type <= SENSOR_TYPE_NULL))\r
1090         {       \r
1091                 dev_err(&client->adapter->dev, "sensor type is error %d\n", pdata->type);\r
1092                 result = -EFAULT;\r
1093                 goto out_no_free;       \r
1094         }\r
1095 \r
1096         if(((int)devid->driver_data >= SENSOR_NUM_ID) || ((int)devid->driver_data <= ID_INVALID))\r
1097         {       \r
1098                 dev_err(&client->adapter->dev, "sensor id is error %d\n", (int)devid->driver_data);\r
1099                 result = -EFAULT;\r
1100                 goto out_no_free;       \r
1101         }\r
1102         \r
1103         i2c_set_clientdata(client, sensor);\r
1104         sensor->client = client;        \r
1105         sensor->pdata = pdata;  \r
1106         sensor->type = type;\r
1107         sensor->i2c_id = (struct i2c_device_id *)devid;\r
1108 \r
1109         if (pdata->init_platform_hw) {\r
1110                 result = pdata->init_platform_hw();\r
1111                 if (result < 0)\r
1112                         goto out_free_memory;\r
1113         }\r
1114 \r
1115         memset(&(sensor->axis), 0, sizeof(struct sensor_axis) );\r
1116         atomic_set(&(sensor->data_ready), 0);\r
1117         init_waitqueue_head(&(sensor->data_ready_wq));\r
1118         mutex_init(&sensor->data_mutex);        \r
1119         mutex_init(&sensor->operation_mutex);   \r
1120         mutex_init(&sensor->sensor_mutex);\r
1121         mutex_init(&sensor->i2c_mutex);\r
1122 \r
1123         sensor->status_cur = SENSOR_OFF;\r
1124         sensor->axis.x = 0;\r
1125         sensor->axis.y = 0;\r
1126         sensor->axis.z = 0;\r
1127         \r
1128         result = sensor_chip_init(sensor->client);\r
1129         if(result < 0)\r
1130                 goto out_free_memory;\r
1131         \r
1132         sensor->input_dev = input_allocate_device();\r
1133         if (!sensor->input_dev) {\r
1134                 result = -ENOMEM;\r
1135                 dev_err(&client->dev,\r
1136                         "Failed to allocate input device %s\n", sensor->input_dev->name);\r
1137                 goto out_free_memory;\r
1138         }       \r
1139 \r
1140         switch(type)\r
1141         {\r
1142                 case SENSOR_TYPE_ACCEL: \r
1143                         sensor->input_dev->name = "gsensor";\r
1144                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1145                         /* x-axis acceleration */\r
1146                         input_set_abs_params(sensor->input_dev, ABS_X, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1147                         /* y-axis acceleration */\r
1148                         input_set_abs_params(sensor->input_dev, ABS_Y, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1149                         /* z-axis acceleration */\r
1150                         input_set_abs_params(sensor->input_dev, ABS_Z, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1151                         break;          \r
1152                 case SENSOR_TYPE_COMPASS:       \r
1153                         sensor->input_dev->name = "compass";            \r
1154                         /* Setup input device */\r
1155                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1156                         /* yaw (0, 360) */\r
1157                         input_set_abs_params(sensor->input_dev, ABS_RX, 0, 23040, 0, 0);\r
1158                         /* pitch (-180, 180) */\r
1159                         input_set_abs_params(sensor->input_dev, ABS_RY, -11520, 11520, 0, 0);\r
1160                         /* roll (-90, 90) */\r
1161                         input_set_abs_params(sensor->input_dev, ABS_RZ, -5760, 5760, 0, 0);\r
1162                         /* x-axis acceleration (720 x 8G) */\r
1163                         input_set_abs_params(sensor->input_dev, ABS_X, -5760, 5760, 0, 0);\r
1164                         /* y-axis acceleration (720 x 8G) */\r
1165                         input_set_abs_params(sensor->input_dev, ABS_Y, -5760, 5760, 0, 0);\r
1166                         /* z-axis acceleration (720 x 8G) */\r
1167                         input_set_abs_params(sensor->input_dev, ABS_Z, -5760, 5760, 0, 0);\r
1168                         /* status of magnetic sensor */\r
1169                         input_set_abs_params(sensor->input_dev, ABS_RUDDER, -32768, 3, 0, 0);\r
1170                         /* status of acceleration sensor */\r
1171                         input_set_abs_params(sensor->input_dev, ABS_WHEEL, -32768, 3, 0, 0);\r
1172                         /* x-axis of raw magnetic vector (-4096, 4095) */\r
1173                         input_set_abs_params(sensor->input_dev, ABS_HAT0X, -20480, 20479, 0, 0);\r
1174                         /* y-axis of raw magnetic vector (-4096, 4095) */\r
1175                         input_set_abs_params(sensor->input_dev, ABS_HAT0Y, -20480, 20479, 0, 0);\r
1176                         /* z-axis of raw magnetic vector (-4096, 4095) */\r
1177                         input_set_abs_params(sensor->input_dev, ABS_BRAKE, -20480, 20479, 0, 0);\r
1178                         break;          \r
1179                 case SENSOR_TYPE_GYROSCOPE:\r
1180                         sensor->input_dev->name = "gyro";\r
1181                         /* x-axis acceleration */\r
1182                         input_set_capability(sensor->input_dev, EV_REL, REL_RX);\r
1183                         input_set_abs_params(sensor->input_dev, ABS_RX, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1184                         /* y-axis acceleration */       \r
1185                         input_set_capability(sensor->input_dev, EV_REL, REL_RY);\r
1186                         input_set_abs_params(sensor->input_dev, ABS_RY, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1187                         /* z-axis acceleration */\r
1188                         input_set_capability(sensor->input_dev, EV_REL, REL_RZ);\r
1189                         input_set_abs_params(sensor->input_dev, ABS_RZ, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1190                         break;\r
1191                 case SENSOR_TYPE_LIGHT:\r
1192                         sensor->input_dev->name = "lightsensor-level";\r
1193                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1194                         input_set_abs_params(sensor->input_dev, ABS_MISC, sensor->ops->range[0], sensor->ops->range[1], 0, 0);                  \r
1195                         input_set_abs_params(sensor->input_dev, ABS_TOOL_WIDTH ,  sensor->ops->brightness[0],sensor->ops->brightness[1], 0, 0);\r
1196                         break;\r
1197                 case SENSOR_TYPE_PROXIMITY:\r
1198                         sensor->input_dev->name = "proximity";  \r
1199                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1200                         input_set_abs_params(sensor->input_dev, ABS_DISTANCE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);\r
1201                         break;\r
1202                 case SENSOR_TYPE_TEMPERATURE:                           \r
1203                         sensor->input_dev->name = "temperature";\r
1204                         set_bit(EV_ABS, sensor->input_dev->evbit);              \r
1205                         input_set_abs_params(sensor->input_dev, ABS_THROTTLE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);\r
1206                         break;\r
1207                 default:\r
1208                         printk("%s:unknow sensor type=%d\n",__func__,type);\r
1209                         break;\r
1210 \r
1211         }\r
1212         sensor->input_dev->dev.parent = &client->dev;\r
1213
1214         result = input_register_device(sensor->input_dev);\r
1215         if (result) {\r
1216                 dev_err(&client->dev,\r
1217                         "Unable to register input device %s\n", sensor->input_dev->name);\r
1218                 goto out_input_register_device_failed;\r
1219         }\r
1220 \r
1221         result = sensor_irq_init(sensor->client);\r
1222         if (result) {\r
1223                 dev_err(&client->dev,\r
1224                         "fail to init sensor irq,ret=%d\n",result);\r
1225                 goto out_input_register_device_failed;\r
1226         }\r
1227 \r
1228         \r
1229         sensor->miscdev.parent = &client->dev;\r
1230         result = sensor_misc_device_register(sensor, type);\r
1231         if (result) {\r
1232                 dev_err(&client->dev,\r
1233                         "fail to register misc device %s\n", sensor->miscdev.name);\r
1234                 goto out_misc_device_register_device_failed;\r
1235         }\r
1236         \r
1237         g_sensor[type] = sensor;\r
1238 \r
1239 #ifdef CONFIG_HAS_EARLYSUSPEND\r
1240         if((sensor->ops->suspend) && (sensor->ops->resume))\r
1241         {\r
1242                 sensor->early_suspend.suspend = sensor_suspend;\r
1243                 sensor->early_suspend.resume = sensor_resume;\r
1244                 sensor->early_suspend.level = 0x02;\r
1245                 register_early_suspend(&sensor->early_suspend);\r
1246         }\r
1247 #endif\r
1248 \r
1249         printk("%s:initialized ok,sensor name:%s,type:%d,id=%d\n\n",__func__,sensor->ops->name,type,(int)sensor->i2c_id->driver_data);\r
1250 \r
1251         return result;\r
1252         \r
1253 out_misc_device_register_device_failed:\r
1254         input_unregister_device(sensor->input_dev);     \r
1255 out_input_register_device_failed:\r
1256         input_free_device(sensor->input_dev);   \r
1257 out_free_memory:\r
1258         kfree(sensor);\r
1259 out_no_free:\r
1260         dev_err(&client->adapter->dev, "%s failed %d\n", __func__, result);\r
1261         return result;\r
1262 \r
1263 }\r
1264 \r
1265 static void sensor_shut_down(struct i2c_client *client)\r
1266 {\r
1267         struct sensor_private_data *sensor =\r
1268             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1269         if((sensor->ops->suspend) && (sensor->ops->resume))             \r
1270                 unregister_early_suspend(&sensor->early_suspend);\r
1271         DBG("%s:%s\n",__func__,sensor->i2c_id->name);\r
1272 }\r
1273 \r
1274 static int sensor_remove(struct i2c_client *client)\r
1275 {\r
1276         struct sensor_private_data *sensor =\r
1277             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1278         int result = 0;\r
1279         \r
1280         cancel_delayed_work_sync(&sensor->delaywork);\r
1281         misc_deregister(&sensor->miscdev);\r
1282         input_unregister_device(sensor->input_dev);     \r
1283         input_free_device(sensor->input_dev);   \r
1284         kfree(sensor);\r
1285 #ifdef CONFIG_HAS_EARLYSUSPEND\r
1286         if((sensor->ops->suspend) && (sensor->ops->resume))\r
1287         unregister_early_suspend(&sensor->early_suspend);\r
1288 #endif  \r
1289         return result;\r
1290 }\r
1291 \r
1292 static const struct i2c_device_id sensor_id[] = {\r
1293         /*gsensor*/\r
1294         {"gsensor", ACCEL_ID_ALL},\r
1295         {"gs_mma8452", ACCEL_ID_MMA845X},       \r
1296         {"gs_kxtik", ACCEL_ID_KXTIK},\r
1297         {"gs_lis3dh", ACCEL_ID_LIS3DH},\r
1298         /*compass*/\r
1299         {"compass", COMPASS_ID_ALL},\r
1300         {"ak8975", COMPASS_ID_AK8975},\r
1301         {"mmc314x", COMPASS_ID_MMC314X},\r
1302         /*gyroscope*/\r
1303         {"gyro", GYRO_ID_ALL},  \r
1304         {"l3g4200d_gryo", GYRO_ID_L3G4200D},\r
1305         {"k3g", GYRO_ID_K3G},\r
1306         /*light sensor*/\r
1307         {"lightsensor", LIGHT_ID_ALL},  \r
1308         {"light_cm3217", LIGHT_ID_CM3217},\r
1309         {"light_al3006", LIGHT_ID_AL3006},\r
1310         {"ls_stk3171", LIGHT_ID_STK3171},\r
1311         /*proximity sensor*/\r
1312         {"psensor", PROXIMITY_ID_ALL},\r
1313         {"proximity_al3006", PROXIMITY_ID_AL3006},      \r
1314         {"ps_stk3171", PROXIMITY_ID_STK3171},\r
1315         /*temperature*/\r
1316         {"temperature", TEMPERATURE_ID_ALL},\r
1317         {},\r
1318 };\r
1319 \r
1320 \r
1321 static struct i2c_driver sensor_driver = {\r
1322         .probe = sensor_probe,\r
1323         .remove = sensor_remove,\r
1324         .shutdown = sensor_shut_down,\r
1325         .id_table = sensor_id,\r
1326         .driver = {\r
1327                    .owner = THIS_MODULE,\r
1328                    .name = "sensors",\r
1329                    },\r
1330 };\r
1331 \r
1332 static int __init sensor_init(void)\r
1333 {\r
1334         int res = i2c_add_driver(&sensor_driver);\r
1335         pr_info("%s: Probe name %s\n", __func__, sensor_driver.driver.name);\r
1336         if (res)\r
1337                 pr_err("%s failed\n", __func__);\r
1338         return res;\r
1339 }\r
1340 \r
1341 static void __exit sensor_exit(void)\r
1342 {\r
1343         pr_info("%s\n", __func__);\r
1344         i2c_del_driver(&sensor_driver);\r
1345 }\r
1346 \r
1347 late_initcall(sensor_init);\r
1348 module_exit(sensor_exit);\r
1349 \r
1350 MODULE_AUTHOR("ROCKCHIP Corporation:lw@rock-chips.com");\r
1351 MODULE_DESCRIPTION("User space character device interface for sensors");\r
1352 MODULE_LICENSE("GPL");\r
1353 \r