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 \r
  39 #if 0\r
  40 #define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL\r
  41 #define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)\r
  42 #else\r
  43 #define DBG(x...)\r
  44 #endif\r
  45 \r
  46 struct sensor_private_data *g_sensor[SENSOR_NUM_TYPES];\r
  47 static struct sensor_operate *sensor_ops[SENSOR_NUM_ID]; \r
  48 static struct class *g_sensor_class[SENSOR_NUM_TYPES];\r
  49 \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) || (sensor->pdata->type == SENSOR_TYPE_ACCEL))\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                                         DBG("%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                                         DBG("%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 \r
 455                 sensor->status_cur = SENSOR_ON;\r
 456                 mutex_unlock(&sensor->operation_mutex); \r
 457                 DBG("%s:GSENSOR_IOCTL_APP_SET_RATE OK\n", __func__);\r
 458                 break;\r
 459                 \r
 460         case GSENSOR_IOCTL_GETDATA:\r
 461                 mutex_lock(&sensor->data_mutex);\r
 462                 memcpy(&axis, &sensor->axis, sizeof(sensor->axis));     //get data from buffer\r
 463                 mutex_unlock(&sensor->data_mutex);              \r
 464                 break;\r
 465         default:\r
 466                 result = -ENOTTY;\r
 467         goto error;\r
 468         }
 469
 470         switch (cmd) {
 471         case GSENSOR_IOCTL_GETDATA:\r
 472                 if ( copy_to_user(argp, &axis, sizeof(axis) ) ) {\r
 473                     printk("failed to copy sense data to user space.");\r
 474                                 result = -EFAULT;                       \r
 475                                 goto error;\r
 476                 }               \r
 477                 DBG("%s:GSENSOR_IOCTL_GETDATA OK\n", __func__);\r
 478                 break;
 479         default:
 480                 break;
 481         }\r
 482         \r
 483 error:\r
 484         return result;\r
 485 }\r
 486 \r
 487 static ssize_t gsensor_set_orientation_online(struct device *dev,\r
 488                 struct device_attribute *attr, char *buf)\r
 489 {\r
 490         int i=0;\r
 491         char orientation[20];\r
 492         \r
 493         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];\r
 494         struct sensor_platform_data *pdata = sensor->pdata;\r
 495 \r
 496         \r
 497         char *p = strstr(buf,"gsensor_class");\r
 498         int start = strcspn(p,"{");\r
 499         int end = strcspn(p,"}");\r
 500         \r
 501         strncpy(orientation,p+start,end-start+1);\r
 502         char *tmp = orientation;\r
 503         \r
 504 \r
 505         while(strncmp(tmp,"}",1)!=0)\r
 506          {\r
 507                 if((strncmp(tmp,",",1)==0)||(strncmp(tmp,"{",1)==0))\r
 508                 {\r
 509                         \r
 510                          tmp++;         \r
 511                          continue;\r
 512                 }       \r
 513                 else if(strncmp(tmp,"-",1)==0)\r
 514                 {\r
 515                         pdata->orientation[i++]=-1;\r
 516                         DBG("i=%d,data=%d\n",i,pdata->orientation[i]);\r
 517                          tmp++;\r
 518                 }               \r
 519                 else\r
 520                 {\r
 521                         pdata->orientation[i++]=tmp[0]-48;              \r
 522                         DBG("----i=%d,data=%d\n",i,pdata->orientation[i]);      \r
 523                 }       \r
 524                 tmp++;\r
 525         \r
 526                                                 \r
 527          }\r
 528 \r
 529         for(i=0;i<9;i++)\r
 530                 DBG("i=%d gsensor_info=%d\n",i,pdata->orientation[i]);\r
 531         return 0;\r
 532 \r
 533 }\r
 534 \r
 535 static CLASS_ATTR(orientation, 0660, NULL,gsensor_set_orientation_online);\r
 536 \r
 537 static int  gsensor_class_init(void)\r
 538 {\r
 539         int ret ;\r
 540         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];       \r
 541         g_sensor_class[SENSOR_TYPE_ACCEL] = class_create(THIS_MODULE, "gsensor_class");\r
 542         ret =  class_create_file(g_sensor_class[SENSOR_TYPE_ACCEL], &class_attr_orientation);\r
 543         if (ret)\r
 544         {\r
 545                 printk("%s:Fail to creat class\n",__func__);\r
 546                 return ret;\r
 547         }\r
 548         printk("%s:%s\n",__func__,sensor->i2c_id->name);\r
 549         return 0;\r
 550 }\r
 551 \r
 552 \r
 553 \r
 554 static int compass_dev_open(struct inode *inode, struct file *file)\r
 555 {\r
 556         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 557         //struct i2c_client *client = sensor->client;\r
 558         int result = 0;\r
 559         \r
 560         //to do\r
 561         return result;\r
 562 }\r
 563 \r
 564 \r
 565 static int compass_dev_release(struct inode *inode, struct file *file)\r
 566 {\r
 567         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 568         //struct i2c_client *client = sensor->client;   \r
 569         int result = 0;\r
 570 \r
 571         //to do\r
 572         return result;\r
 573 }\r
 574 \r
 575 \r
 576 /* ioctl - I/O control */\r
 577 static long compass_dev_ioctl(struct file *file,\r
 578                           unsigned int cmd, unsigned long arg)\r
 579 {\r
 580         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];\r
 581         //struct i2c_client *client = sensor->client;\r
 582         //void __user *argp = (void __user *)arg;\r
 583         int result = 0;\r
 584         \r
 585         //to do\r
 586         return result;\r
 587 }\r
 588 \r
 589 static int gyro_dev_open(struct inode *inode, struct file *file)\r
 590 {\r
 591         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];\r
 592         //struct i2c_client *client = sensor->client;\r
 593 \r
 594         int result = 0;\r
 595 \r
 596 \r
 597         return result;\r
 598 }\r
 599 \r
 600 \r
 601 static int gyro_dev_release(struct inode *inode, struct file *file)\r
 602 {\r
 603         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];\r
 604         //struct i2c_client *client = sensor->client;\r
 605 \r
 606         int result = 0;\r
 607 \r
 608 \r
 609         return result;\r
 610 }\r
 611 \r
 612 \r
 613 /* ioctl - I/O control */\r
 614 static long gyro_dev_ioctl(struct file *file,\r
 615                           unsigned int cmd, unsigned long arg)\r
 616 {\r
 617         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];   \r
 618         struct i2c_client *client = sensor->client;     \r
 619         void __user *argp = (void __user *)arg;\r
 620         int result = 0;\r
 621         char rate;\r
 622         switch (cmd) {\r
 623         case L3G4200D_IOCTL_GET_ENABLE: \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 status to user space.\n",__FUNCTION__);\r
 628                         return -EFAULT;\r
 629                 }\r
 630                 \r
 631                 DBG("%s :L3G4200D_IOCTL_GET_ENABLE,status=%d\n",__FUNCTION__,result);   \r
 632                 break;\r
 633         case L3G4200D_IOCTL_SET_ENABLE:                 \r
 634                 DBG("%s :L3G4200D_IOCTL_SET_ENABLE,flag=%d\n",__FUNCTION__,*(unsigned int *)argp);\r
 635                 mutex_lock(&sensor->operation_mutex);   \r
 636                 if(*(unsigned int *)argp)\r
 637                 {\r
 638                         if(sensor->status_cur == SENSOR_OFF)\r
 639                         {\r
 640                                 if ( (result = sensor->ops->active(client, 1, ODR100_BW12_5) ) < 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                                 if(sensor->pdata->irq_enable)\r
 646                                 {\r
 647                                         DBG("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 648                                         enable_irq(client->irq);        //enable irq\r
 649                                 }       \r
 650                                 else\r
 651                                 {\r
 652                                         PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 653                                         schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 654                                 }\r
 655                                 sensor->status_cur = SENSOR_ON;\r
 656                         }       \r
 657                 }\r
 658                 else\r
 659                 {\r
 660                         if(sensor->status_cur == SENSOR_ON)\r
 661                         {\r
 662                                 if ( (result = sensor->ops->active(client, 0, 0) ) < 0 ) {\r
 663                                 mutex_unlock(&sensor->operation_mutex);              \r
 664                                 goto error;\r
 665                                 }\r
 666                                 \r
 667                                 if(sensor->pdata->irq_enable)\r
 668                                 {                               \r
 669                                         DBG("%s:disable irq,irq=%d\n",__func__,client->irq);\r
 670                                         disable_irq_nosync(client->irq);//disable irq\r
 671                                 }\r
 672                                 else\r
 673                                 cancel_delayed_work_sync(&sensor->delaywork);           \r
 674                                 sensor->status_cur = SENSOR_OFF;\r
 675                         }\r
 676                 }\r
 677         \r
 678                 result = sensor->status_cur;\r
 679                 if (copy_to_user(argp, &result, sizeof(result)))\r
 680                 {\r
 681                         printk("%s:failed to copy sense data to user space.\n",__FUNCTION__);\r
 682                         return -EFAULT;\r
 683                 }\r
 684 \r
 685                 mutex_unlock(&sensor->operation_mutex);\r
 686                 DBG("%s:L3G4200D_IOCTL_SET_ENABLE OK\n", __func__);\r
 687                 break;\r
 688         case L3G4200D_IOCTL_SET_DELAY:                                  \r
 689                 mutex_lock(&sensor->operation_mutex);\r
 690                 if (copy_from_user(&rate, argp, sizeof(rate)))\r
 691                 return -EFAULT;\r
 692                 if(sensor->status_cur == SENSOR_OFF)\r
 693                 {\r
 694                         if ( (result = sensor->ops->active(client, 1, rate) ) < 0 ) {\r
 695                         mutex_unlock(&sensor->operation_mutex);\r
 696                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 697                         goto error;           \r
 698                         }\r
 699                         \r
 700                         if(sensor->pdata->irq_enable)\r
 701                         {\r
 702                                 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);\r
 703                                 enable_irq(client->irq);        //enable irq\r
 704                         }       \r
 705                         else\r
 706                         {\r
 707                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 708                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 709                         }\r
 710                         sensor->status_cur = SENSOR_ON;\r
 711                 }       \r
 712                 \r
 713                 mutex_unlock(&sensor->operation_mutex);\r
 714                 DBG("%s :L3G4200D_IOCTL_SET_DELAY,rate=%d\n",__FUNCTION__,rate);\r
 715                 break;\r
 716 \r
 717         default:\r
 718                 printk("%s:error,cmd=0x%x\n",__func__,cmd);\r
 719                 return -ENOTTY;\r
 720         }\r
 721         \r
 722         DBG("%s:line=%d,cmd=0x%x\n",__func__,__LINE__,cmd);\r
 723 \r
 724 error:\r
 725         return result;\r
 726 }\r
 727 \r
 728 static int light_dev_open(struct inode *inode, struct file *file)\r
 729 {\r
 730         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 731         //struct i2c_client *client = sensor->client;   \r
 732         int result = 0; \r
 733 \r
 734 \r
 735         return result;\r
 736 }\r
 737 \r
 738 \r
 739 \r
 740 \r
 741 static int light_dev_release(struct inode *inode, struct file *file)\r
 742 {\r
 743         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 744         //struct i2c_client *client = sensor->client;   \r
 745         int result = 0;\r
 746 \r
 747 \r
 748         return result;\r
 749 }\r
 750 \r
 751 \r
 752 /* ioctl - I/O control */\r
 753 static long light_dev_ioctl(struct file *file,\r
 754                           unsigned int cmd, unsigned long arg)\r
 755 {\r
 756         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];\r
 757         struct i2c_client *client = sensor->client;\r
 758         unsigned int *argp = (unsigned int *)arg;       \r
 759         int result = 0;\r
 760 \r
 761         switch(cmd)\r
 762         {\r
 763                 case LIGHTSENSOR_IOCTL_GET_ENABLED:
 764                         *argp = sensor->status_cur;\r
 765                         break;
 766                 case LIGHTSENSOR_IOCTL_ENABLE:          \r
 767                         DBG("%s:LIGHTSENSOR_IOCTL_ENABLE start\n", __func__);\r
 768                         mutex_lock(&sensor->operation_mutex);    \r
 769                         if(*(unsigned int *)argp)\r
 770                         {\r
 771                                 if(sensor->status_cur == SENSOR_OFF)\r
 772                                 {\r
 773                                         if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {\r
 774                                         mutex_unlock(&sensor->operation_mutex);\r
 775                                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 776                                         goto error;           \r
 777                                         }       \r
 778                                         \r
 779                                         if(!sensor->pdata->irq_enable)\r
 780                                         {\r
 781                                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 782                                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 783                                         }\r
 784                                         sensor->status_cur = SENSOR_ON;\r
 785                                 }       \r
 786                         }\r
 787                         else\r
 788                         {\r
 789                                 if(sensor->status_cur == SENSOR_ON)\r
 790                                 {\r
 791                                         if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {\r
 792                                         mutex_unlock(&sensor->operation_mutex);              \r
 793                                         goto error;\r
 794                                         }\r
 795                                         \r
 796                                         if(!sensor->pdata->irq_enable)\r
 797                                         cancel_delayed_work_sync(&sensor->delaywork);           \r
 798                                         sensor->status_cur = SENSOR_OFF;\r
 799                                 }\r
 800                         }\r
 801                         mutex_unlock(&sensor->operation_mutex);\r
 802                         DBG("%s:LIGHTSENSOR_IOCTL_ENABLE OK\n", __func__);\r
 803                         break;\r
 804                 \r
 805                 default:\r
 806                         break;\r
 807         }\r
 808         \r
 809 error:\r
 810         return result;\r
 811 }\r
 812 \r
 813 \r
 814 static int proximity_dev_open(struct inode *inode, struct file *file)\r
 815 {\r
 816         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 817         //struct i2c_client *client = sensor->client;   \r
 818         int result = 0;\r
 819 \r
 820 \r
 821         return result;\r
 822 }\r
 823 \r
 824 \r
 825 static int proximity_dev_release(struct inode *inode, struct file *file)\r
 826 {\r
 827         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 828         //struct i2c_client *client = sensor->client;   \r
 829         int result = 0;\r
 830 \r
 831 \r
 832         return result;\r
 833 }\r
 834 \r
 835 \r
 836 /* ioctl - I/O control */\r
 837 static long proximity_dev_ioctl(struct file *file,\r
 838                           unsigned int cmd, unsigned long arg)\r
 839 {\r
 840         struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];\r
 841         struct i2c_client *client = sensor->client;     \r
 842         unsigned int *argp = (unsigned int *)arg;       \r
 843         int result = 0;\r
 844         switch(cmd)\r
 845         {\r
 846                 case PSENSOR_IOCTL_GET_ENABLED:\r
 847                         *argp = sensor->status_cur;\r
 848                         break;
 849                 case PSENSOR_IOCTL_ENABLE:              \r
 850                         DBG("%s:PSENSOR_IOCTL_ENABLE start\n", __func__);\r
 851                         mutex_lock(&sensor->operation_mutex);    \r
 852                         if(*(unsigned int *)argp)\r
 853                         {\r
 854                                 if(sensor->status_cur == SENSOR_OFF)\r
 855                                 {\r
 856                                         if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {\r
 857                                         mutex_unlock(&sensor->operation_mutex);\r
 858                                         printk("%s:fail to active sensor,ret=%d\n",__func__,result);         \r
 859                                         goto error;           \r
 860                                         }\r
 861                                         \r
 862                                         if(!sensor->pdata->irq_enable)\r
 863                                         {\r
 864                                                 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);\r
 865                                                 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));\r
 866                                         }\r
 867                                         sensor->status_cur = SENSOR_ON;\r
 868                                 }       \r
 869                         }\r
 870                         else\r
 871                         {\r
 872                                 if(sensor->status_cur == SENSOR_ON)\r
 873                                 {\r
 874                                         if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {\r
 875                                         mutex_unlock(&sensor->operation_mutex);              \r
 876                                         goto error;\r
 877                                         }\r
 878                                         if(!sensor->pdata->irq_enable)\r
 879                                         cancel_delayed_work_sync(&sensor->delaywork);           \r
 880                                         sensor->status_cur = SENSOR_OFF;\r
 881                                 }\r
 882                         }\r
 883                         mutex_unlock(&sensor->operation_mutex);\r
 884                         DBG("%s:PSENSOR_IOCTL_ENABLE OK\n", __func__);\r
 885                         break;\r
 886                 \r
 887                 default:\r
 888                         break;\r
 889         }\r
 890         \r
 891 error:\r
 892         return result;\r
 893 }\r
 894 \r
 895 static int temperature_dev_open(struct inode *inode, struct file *file)\r
 896 {\r
 897         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 898         //struct i2c_client *client = sensor->client;\r
 899 \r
 900         int result = 0;\r
 901 \r
 902 \r
 903         return result;\r
 904 }\r
 905 \r
 906 \r
 907 static int temperature_dev_release(struct inode *inode, struct file *file)\r
 908 {\r
 909         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 910         //struct i2c_client *client = sensor->client;\r
 911 \r
 912         int result = 0;\r
 913 \r
 914 \r
 915         return result;\r
 916 }\r
 917 \r
 918 \r
 919 /* ioctl - I/O control */\r
 920 static long temperature_dev_ioctl(struct file *file,\r
 921                           unsigned int cmd, unsigned long arg)\r
 922 {\r
 923         //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];\r
 924         //struct i2c_client *client = sensor->client;\r
 925         //void __user *argp = (void __user *)arg;\r
 926         int result = 0;\r
 927         \r
 928 \r
 929         return result;\r
 930 }\r
 931 \r
 932 \r
 933 static int sensor_misc_device_register(struct sensor_private_data *sensor, int type)\r
 934 {\r
 935         int result = 0;\r
 936         \r
 937         switch(type)\r
 938         {\r
 939                 case SENSOR_TYPE_ACCEL:\r
 940                         if(!sensor->ops->misc_dev)\r
 941                         {\r
 942                                 sensor->fops.owner = THIS_MODULE;\r
 943                                 sensor->fops.unlocked_ioctl = gsensor_dev_ioctl;\r
 944                                 sensor->fops.open = gsensor_dev_open;\r
 945                                 sensor->fops.release = gsensor_dev_release;\r
 946 \r
 947                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 948                                 sensor->miscdev.name = "mma8452_daemon";\r
 949                                 sensor->miscdev.fops = &sensor->fops;\r
 950                         }\r
 951                         else\r
 952                         {\r
 953                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 954 \r
 955                         }\r
 956                                 \r
 957                         break;\r
 958 \r
 959                 case SENSOR_TYPE_COMPASS:                       \r
 960                         if(!sensor->ops->misc_dev)\r
 961                         {\r
 962                                 sensor->fops.owner = THIS_MODULE;\r
 963                                 sensor->fops.unlocked_ioctl = compass_dev_ioctl;\r
 964                                 sensor->fops.open = compass_dev_open;\r
 965                                 sensor->fops.release = compass_dev_release;\r
 966 \r
 967                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 968                                 sensor->miscdev.name = "compass";\r
 969                                 sensor->miscdev.fops = &sensor->fops;\r
 970                         }\r
 971                         else\r
 972                         {\r
 973                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 974 \r
 975                         }\r
 976 \r
 977                         break;\r
 978 \r
 979                 case SENSOR_TYPE_GYROSCOPE:                     \r
 980                         if(!sensor->ops->misc_dev)\r
 981                         {\r
 982                                 sensor->fops.owner = THIS_MODULE;\r
 983                                 sensor->fops.unlocked_ioctl = gyro_dev_ioctl;\r
 984                                 sensor->fops.open = gyro_dev_open;\r
 985                                 sensor->fops.release = gyro_dev_release;\r
 986 \r
 987                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
 988                                 sensor->miscdev.name = "gyrosensor";\r
 989                                 sensor->miscdev.fops = &sensor->fops;\r
 990                         }\r
 991                         else\r
 992                         {\r
 993                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
 994 \r
 995                         }\r
 996                         \r
 997                         break;\r
 998 \r
 999                 case SENSOR_TYPE_LIGHT:\r
1000                         if(!sensor->ops->misc_dev)\r
1001                         {\r
1002                                 sensor->fops.owner = THIS_MODULE;\r
1003                                 sensor->fops.unlocked_ioctl = light_dev_ioctl;\r
1004                                 sensor->fops.open = light_dev_open;\r
1005                                 sensor->fops.release = light_dev_release;\r
1006 \r
1007                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
1008                                 sensor->miscdev.name = "lightsensor";\r
1009                                 sensor->miscdev.fops = &sensor->fops;\r
1010                         }       \r
1011                         else\r
1012                         {\r
1013                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
1014 \r
1015                         }\r
1016                         break;\r
1017                 \r
1018                 case SENSOR_TYPE_PROXIMITY:\r
1019                         if(!sensor->ops->misc_dev)\r
1020                         {\r
1021                                 sensor->fops.owner = THIS_MODULE;\r
1022                                 sensor->fops.unlocked_ioctl = proximity_dev_ioctl;\r
1023                                 sensor->fops.open = proximity_dev_open;\r
1024                                 sensor->fops.release = proximity_dev_release;\r
1025 \r
1026                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
1027                                 sensor->miscdev.name = "psensor";\r
1028                                 sensor->miscdev.fops = &sensor->fops;\r
1029                         }       \r
1030                         else\r
1031                         {\r
1032                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
1033 \r
1034                         }\r
1035                         break;\r
1036 \r
1037                 case SENSOR_TYPE_TEMPERATURE:\r
1038                         if(!sensor->ops->misc_dev)\r
1039                         {\r
1040                                 sensor->fops.owner = THIS_MODULE;\r
1041                                 sensor->fops.unlocked_ioctl = temperature_dev_ioctl;\r
1042                                 sensor->fops.open = temperature_dev_open;\r
1043                                 sensor->fops.release = temperature_dev_release;\r
1044 \r
1045                                 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;\r
1046                                 sensor->miscdev.name = "temperature";\r
1047                                 sensor->miscdev.fops = &sensor->fops;\r
1048                         }       \r
1049                         else\r
1050                         {\r
1051                                 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));\r
1052 \r
1053                         }\r
1054                                 \r
1055                         break;\r
1056 \r
1057                 default:\r
1058                         printk("%s:unknow sensor type=%d\n",__func__,type);\r
1059                         result = -1;\r
1060                         goto error;\r
1061         }\r
1062                         \r
1063         sensor->miscdev.parent = &sensor->client->dev;\r
1064         result = misc_register(&sensor->miscdev);\r
1065         if (result < 0) {\r
1066                 dev_err(&sensor->client->dev,\r
1067                         "fail to register misc device %s\n", sensor->miscdev.name);\r
1068                 goto error;\r
1069         }\r
1070         \r
1071         printk("%s:miscdevice: %s\n",__func__,sensor->miscdev.name);\r
1072 \r
1073 error:  \r
1074         \r
1075         return result;\r
1076 \r
1077 }\r
1078 \r
1079 int sensor_register_slave(int type,struct i2c_client *client,\r
1080                         struct sensor_platform_data *slave_pdata,\r
1081                         struct sensor_operate *(*get_sensor_ops)(void))\r
1082 {\r
1083         int result = 0;\r
1084         struct sensor_operate *ops = get_sensor_ops();\r
1085         if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))\r
1086         {       \r
1087                 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);\r
1088                 return -1;      \r
1089         }\r
1090         sensor_ops[ops->id_i2c] = ops;\r
1091         printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);\r
1092         return result;\r
1093 }\r
1094 \r
1095 \r
1096 int sensor_unregister_slave(int type,struct i2c_client *client,\r
1097                         struct sensor_platform_data *slave_pdata,\r
1098                         struct sensor_operate *(*get_sensor_ops)(void))\r
1099 {\r
1100         int result = 0;\r
1101         struct sensor_operate *ops = get_sensor_ops();\r
1102         if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))\r
1103         {       \r
1104                 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);\r
1105                 return -1;      \r
1106         }\r
1107         printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);\r
1108         sensor_ops[ops->id_i2c] = NULL; \r
1109         return result;\r
1110 }\r
1111 \r
1112 \r
1113 int sensor_probe(struct i2c_client *client, const struct i2c_device_id *devid)\r
1114 {\r
1115         struct sensor_private_data *sensor =\r
1116             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1117         struct sensor_platform_data *pdata;\r
1118         int result = 0;\r
1119         int type = 0;\r
1120         dev_info(&client->adapter->dev, "%s: %s,0x%x\n", __func__, devid->name,(unsigned int)client);\r
1121 \r
1122         if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {\r
1123                 result = -ENODEV;\r
1124                 goto out_no_free;\r
1125         }\r
1126 \r
1127         pdata = client->dev.platform_data;\r
1128         if (!pdata) {\r
1129                 dev_err(&client->adapter->dev,\r
1130                         "Missing platform data for slave %s\n", devid->name);\r
1131                 result = -EFAULT;\r
1132                 goto out_no_free;\r
1133         }\r
1134 \r
1135         sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);\r
1136         if (!sensor) {\r
1137                 result = -ENOMEM;\r
1138                 goto out_no_free;\r
1139         }\r
1140 \r
1141         type= pdata->type;      \r
1142         \r
1143         if((type >= SENSOR_NUM_TYPES) || (type <= SENSOR_TYPE_NULL))\r
1144         {       \r
1145                 dev_err(&client->adapter->dev, "sensor type is error %d\n", pdata->type);\r
1146                 result = -EFAULT;\r
1147                 goto out_no_free;       \r
1148         }\r
1149 \r
1150         if(((int)devid->driver_data >= SENSOR_NUM_ID) || ((int)devid->driver_data <= ID_INVALID))\r
1151         {       \r
1152                 dev_err(&client->adapter->dev, "sensor id is error %d\n", (int)devid->driver_data);\r
1153                 result = -EFAULT;\r
1154                 goto out_no_free;       \r
1155         }\r
1156         \r
1157         i2c_set_clientdata(client, sensor);\r
1158         sensor->client = client;        \r
1159         sensor->pdata = pdata;  \r
1160         sensor->type = type;\r
1161         sensor->i2c_id = (struct i2c_device_id *)devid;\r
1162 \r
1163         if (pdata->init_platform_hw) {\r
1164                 result = pdata->init_platform_hw();\r
1165                 if (result < 0)\r
1166                         goto out_free_memory;\r
1167         }\r
1168 \r
1169         memset(&(sensor->axis), 0, sizeof(struct sensor_axis) );\r
1170         atomic_set(&(sensor->data_ready), 0);\r
1171         init_waitqueue_head(&(sensor->data_ready_wq));\r
1172         mutex_init(&sensor->data_mutex);        \r
1173         mutex_init(&sensor->operation_mutex);   \r
1174         mutex_init(&sensor->sensor_mutex);\r
1175         mutex_init(&sensor->i2c_mutex);\r
1176 \r
1177         sensor->status_cur = SENSOR_OFF;\r
1178         sensor->axis.x = 0;\r
1179         sensor->axis.y = 0;\r
1180         sensor->axis.z = 0;\r
1181         \r
1182         result = sensor_chip_init(sensor->client);\r
1183         if(result < 0)\r
1184                 goto out_free_memory;\r
1185         \r
1186         sensor->input_dev = input_allocate_device();\r
1187         if (!sensor->input_dev) {\r
1188                 result = -ENOMEM;\r
1189                 dev_err(&client->dev,\r
1190                         "Failed to allocate input device %s\n", sensor->input_dev->name);\r
1191                 goto out_free_memory;\r
1192         }       \r
1193 \r
1194         switch(type)\r
1195         {\r
1196                 case SENSOR_TYPE_ACCEL: \r
1197                         sensor->input_dev->name = "gsensor";\r
1198                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1199                         /* x-axis acceleration */\r
1200                         input_set_abs_params(sensor->input_dev, ABS_X, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1201                         /* y-axis acceleration */\r
1202                         input_set_abs_params(sensor->input_dev, ABS_Y, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1203                         /* z-axis acceleration */\r
1204                         input_set_abs_params(sensor->input_dev, ABS_Z, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range\r
1205                         break;          \r
1206                 case SENSOR_TYPE_COMPASS:       \r
1207                         sensor->input_dev->name = "compass";            \r
1208                         /* Setup input device */\r
1209                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1210                         /* yaw (0, 360) */\r
1211                         input_set_abs_params(sensor->input_dev, ABS_RX, 0, 23040, 0, 0);\r
1212                         /* pitch (-180, 180) */\r
1213                         input_set_abs_params(sensor->input_dev, ABS_RY, -11520, 11520, 0, 0);\r
1214                         /* roll (-90, 90) */\r
1215                         input_set_abs_params(sensor->input_dev, ABS_RZ, -5760, 5760, 0, 0);\r
1216                         /* x-axis acceleration (720 x 8G) */\r
1217                         input_set_abs_params(sensor->input_dev, ABS_X, -5760, 5760, 0, 0);\r
1218                         /* y-axis acceleration (720 x 8G) */\r
1219                         input_set_abs_params(sensor->input_dev, ABS_Y, -5760, 5760, 0, 0);\r
1220                         /* z-axis acceleration (720 x 8G) */\r
1221                         input_set_abs_params(sensor->input_dev, ABS_Z, -5760, 5760, 0, 0);\r
1222                         /* status of magnetic sensor */\r
1223                         input_set_abs_params(sensor->input_dev, ABS_RUDDER, -32768, 3, 0, 0);\r
1224                         /* status of acceleration sensor */\r
1225                         input_set_abs_params(sensor->input_dev, ABS_WHEEL, -32768, 3, 0, 0);\r
1226                         /* x-axis of raw magnetic vector (-4096, 4095) */\r
1227                         input_set_abs_params(sensor->input_dev, ABS_HAT0X, -20480, 20479, 0, 0);\r
1228                         /* y-axis of raw magnetic vector (-4096, 4095) */\r
1229                         input_set_abs_params(sensor->input_dev, ABS_HAT0Y, -20480, 20479, 0, 0);\r
1230                         /* z-axis of raw magnetic vector (-4096, 4095) */\r
1231                         input_set_abs_params(sensor->input_dev, ABS_BRAKE, -20480, 20479, 0, 0);\r
1232                         break;          \r
1233                 case SENSOR_TYPE_GYROSCOPE:\r
1234                         sensor->input_dev->name = "gyro";\r
1235                         /* x-axis acceleration */\r
1236                         input_set_capability(sensor->input_dev, EV_REL, REL_RX);\r
1237                         input_set_abs_params(sensor->input_dev, ABS_RX, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1238                         /* y-axis acceleration */       \r
1239                         input_set_capability(sensor->input_dev, EV_REL, REL_RY);\r
1240                         input_set_abs_params(sensor->input_dev, ABS_RY, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1241                         /* z-axis acceleration */\r
1242                         input_set_capability(sensor->input_dev, EV_REL, REL_RZ);\r
1243                         input_set_abs_params(sensor->input_dev, ABS_RZ, sensor->ops->range[0], sensor->ops->range[1], 0, 0); \r
1244                         break;\r
1245                 case SENSOR_TYPE_LIGHT:\r
1246                         sensor->input_dev->name = "lightsensor-level";\r
1247                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1248                         input_set_abs_params(sensor->input_dev, ABS_MISC, sensor->ops->range[0], sensor->ops->range[1], 0, 0);                  \r
1249                         input_set_abs_params(sensor->input_dev, ABS_TOOL_WIDTH ,  sensor->ops->brightness[0],sensor->ops->brightness[1], 0, 0);\r
1250                         break;\r
1251                 case SENSOR_TYPE_PROXIMITY:\r
1252                         sensor->input_dev->name = "proximity";  \r
1253                         set_bit(EV_ABS, sensor->input_dev->evbit);\r
1254                         input_set_abs_params(sensor->input_dev, ABS_DISTANCE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);\r
1255                         break;\r
1256                 case SENSOR_TYPE_TEMPERATURE:                           \r
1257                         sensor->input_dev->name = "temperature";\r
1258                         set_bit(EV_ABS, sensor->input_dev->evbit);              \r
1259                         input_set_abs_params(sensor->input_dev, ABS_THROTTLE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);\r
1260                         break;\r
1261                 default:\r
1262                         printk("%s:unknow sensor type=%d\n",__func__,type);\r
1263                         break;\r
1264 \r
1265         }\r
1266         sensor->input_dev->dev.parent = &client->dev;\r
1267
1268         result = input_register_device(sensor->input_dev);\r
1269         if (result) {\r
1270                 dev_err(&client->dev,\r
1271                         "Unable to register input device %s\n", sensor->input_dev->name);\r
1272                 goto out_input_register_device_failed;\r
1273         }\r
1274 \r
1275         result = sensor_irq_init(sensor->client);\r
1276         if (result) {\r
1277                 dev_err(&client->dev,\r
1278                         "fail to init sensor irq,ret=%d\n",result);\r
1279                 goto out_input_register_device_failed;\r
1280         }\r
1281 \r
1282         \r
1283         sensor->miscdev.parent = &client->dev;\r
1284         result = sensor_misc_device_register(sensor, type);\r
1285         if (result) {\r
1286                 dev_err(&client->dev,\r
1287                         "fail to register misc device %s\n", sensor->miscdev.name);\r
1288                 goto out_misc_device_register_device_failed;\r
1289         }\r
1290         \r
1291         g_sensor[type] = sensor;\r
1292 \r
1293         if((type == SENSOR_TYPE_ACCEL) && (sensor->pdata->factory))     //only support  setting gsensor orientation online now  \r
1294         {\r
1295                 result = gsensor_class_init();\r
1296                 if (result) {\r
1297                         dev_err(&client->dev,\r
1298                                 "fail to register misc device %s\n", sensor->i2c_id->name);\r
1299                         goto out_misc_device_register_device_failed;\r
1300                 }\r
1301         }\r
1302         \r
1303 #ifdef CONFIG_HAS_EARLYSUSPEND\r
1304         if((sensor->ops->suspend) && (sensor->ops->resume))\r
1305         {\r
1306                 sensor->early_suspend.suspend = sensor_suspend;\r
1307                 sensor->early_suspend.resume = sensor_resume;\r
1308                 sensor->early_suspend.level = 0x02;\r
1309                 register_early_suspend(&sensor->early_suspend);\r
1310         }\r
1311 #endif\r
1312 \r
1313         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
1314 \r
1315         return result;\r
1316         \r
1317 out_misc_device_register_device_failed:\r
1318         input_unregister_device(sensor->input_dev);     \r
1319 out_input_register_device_failed:\r
1320         input_free_device(sensor->input_dev);   \r
1321 out_free_memory:\r
1322         kfree(sensor);\r
1323 out_no_free:\r
1324         dev_err(&client->adapter->dev, "%s failed %d\n", __func__, result);\r
1325         return result;\r
1326 \r
1327 }\r
1328 \r
1329 static void sensor_shut_down(struct i2c_client *client)\r
1330 {\r
1331         struct sensor_private_data *sensor =\r
1332             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1333         if((sensor->ops->suspend) && (sensor->ops->resume))             \r
1334                 unregister_early_suspend(&sensor->early_suspend);\r
1335         DBG("%s:%s\n",__func__,sensor->i2c_id->name);\r
1336 }\r
1337 \r
1338 static int sensor_remove(struct i2c_client *client)\r
1339 {\r
1340         struct sensor_private_data *sensor =\r
1341             (struct sensor_private_data *) i2c_get_clientdata(client);\r
1342         int result = 0;\r
1343         \r
1344         cancel_delayed_work_sync(&sensor->delaywork);\r
1345         misc_deregister(&sensor->miscdev);\r
1346         input_unregister_device(sensor->input_dev);     \r
1347         input_free_device(sensor->input_dev);   \r
1348         kfree(sensor);\r
1349 #ifdef CONFIG_HAS_EARLYSUSPEND\r
1350         if((sensor->ops->suspend) && (sensor->ops->resume))\r
1351         unregister_early_suspend(&sensor->early_suspend);\r
1352 #endif  \r
1353         return result;\r
1354 }\r
1355 \r
1356 static const struct i2c_device_id sensor_id[] = {\r
1357         /*gsensor*/\r
1358         {"gsensor", ACCEL_ID_ALL},\r
1359         {"gs_mma8452", ACCEL_ID_MMA845X},       \r
1360         {"gs_kxtik", ACCEL_ID_KXTIK},\r
1361         {"gs_lis3dh", ACCEL_ID_LIS3DH},\r
1362         {"gs_mma7660", ACCEL_ID_MMA7660},\r
1363         /*compass*/\r
1364         {"compass", COMPASS_ID_ALL},\r
1365         {"ak8975", COMPASS_ID_AK8975},\r
1366         {"mmc314x", COMPASS_ID_MMC314X},\r
1367         /*gyroscope*/\r
1368         {"gyro", GYRO_ID_ALL},  \r
1369         {"l3g4200d_gryo", GYRO_ID_L3G4200D},\r
1370         {"k3g", GYRO_ID_K3G},\r
1371         /*light sensor*/\r
1372         {"lightsensor", LIGHT_ID_ALL},  \r
1373         {"light_cm3217", LIGHT_ID_CM3217},\r
1374         {"light_al3006", LIGHT_ID_AL3006},\r
1375         {"ls_stk3171", LIGHT_ID_STK3171},\r
1376         /*proximity sensor*/\r
1377         {"psensor", PROXIMITY_ID_ALL},\r
1378         {"proximity_al3006", PROXIMITY_ID_AL3006},      \r
1379         {"ps_stk3171", PROXIMITY_ID_STK3171},\r
1380         /*temperature*/\r
1381         {"temperature", TEMPERATURE_ID_ALL},\r
1382         {},\r
1383 };\r
1384 \r
1385 \r
1386 static struct i2c_driver sensor_driver = {\r
1387         .probe = sensor_probe,\r
1388         .remove = sensor_remove,\r
1389         .shutdown = sensor_shut_down,\r
1390         .id_table = sensor_id,\r
1391         .driver = {\r
1392                    .owner = THIS_MODULE,\r
1393                    .name = "sensors",\r
1394                    },\r
1395 };\r
1396 \r
1397 static int __init sensor_init(void)\r
1398 {\r
1399         int res = i2c_add_driver(&sensor_driver);\r
1400         pr_info("%s: Probe name %s\n", __func__, sensor_driver.driver.name);\r
1401         if (res)\r
1402                 pr_err("%s failed\n", __func__);\r
1403         return res;\r
1404 }\r
1405 \r
1406 static void __exit sensor_exit(void)\r
1407 {\r
1408         pr_info("%s\n", __func__);\r
1409         i2c_del_driver(&sensor_driver);\r
1410 }\r
1411 \r
1412 late_initcall(sensor_init);\r
1413 module_exit(sensor_exit);\r
1414 \r
1415 MODULE_AUTHOR("ROCKCHIP Corporation:lw@rock-chips.com");\r
1416 MODULE_DESCRIPTION("User space character device interface for sensors");\r
1417 MODULE_LICENSE("GPL");\r
1418 \r