1 /* drivers/input/sensors/sensor-dev.c - handle all gsensor in this file
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3 * Copyright (C) 2012-2015 ROCKCHIP.
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4 * Author: luowei <lw@rock-chips.com>
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6 * This software is licensed under the terms of the GNU General Public
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7 * License version 2, as published by the Free Software Foundation, and
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8 * may be copied, distributed, and modified under those terms.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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17 #include <linux/interrupt.h>
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18 #include <linux/i2c.h>
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19 #include <linux/slab.h>
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20 #include <linux/irq.h>
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21 #include <linux/miscdevice.h>
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22 #include <linux/gpio.h>
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23 #include <asm/uaccess.h>
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24 #include <asm/atomic.h>
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25 #include <linux/delay.h>
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26 #include <linux/input.h>
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27 #include <linux/workqueue.h>
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28 #include <linux/freezer.h>
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29 #include <linux/proc_fs.h>
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30 #include <mach/gpio.h>
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31 #include <mach/board.h>
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32 #ifdef CONFIG_HAS_EARLYSUSPEND
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33 #include <linux/earlysuspend.h>
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35 #include <linux/l3g4200d.h>
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36 #include <linux/sensor-dev.h>
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40 sensor-dev.c v1.1 add pressure and temperature support 2013-2-27
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41 sensor-dev.c v1.2 add akm8963 support 2013-3-10
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42 sensor-dev.c v1.3 add sensor debug support 2013-3-15
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45 #define SENSOR_VERSION_AND_TIME "sensor-dev.c v1.3 add sensor debug support 2013-3-15"
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48 struct sensor_private_data *g_sensor[SENSOR_NUM_TYPES];
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49 static struct sensor_operate *sensor_ops[SENSOR_NUM_ID];
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50 static struct class *g_sensor_class[SENSOR_NUM_TYPES];
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52 static ssize_t sensor_proc_write(struct file *file, const char __user *buffer,
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53 size_t count, loff_t *data)
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59 rc = get_user(c, buffer);
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62 for(i=SENSOR_TYPE_NULL+1; i<SENSOR_NUM_TYPES; i++)
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63 atomic_set(&g_sensor[i]->flags.debug_flag, SENSOR_TYPE_NULL);
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70 printk("%s command list:close:%d, accel:%d, compass:%d, gyro:%d, light:%d, psensor:%d, temp:%d, pressure:%d,total:%d,num=%d\n",__func__,
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72 SENSOR_TYPE_NULL, SENSOR_TYPE_ACCEL,SENSOR_TYPE_COMPASS,SENSOR_TYPE_GYROSCOPE,SENSOR_TYPE_LIGHT,SENSOR_TYPE_PROXIMITY,
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74 SENSOR_TYPE_TEMPERATURE,SENSOR_TYPE_PRESSURE,SENSOR_NUM_TYPES,num);
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76 if((num > SENSOR_NUM_TYPES) || (num < SENSOR_TYPE_NULL))
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78 printk("%s:error! only support %d to %d\n",__func__, SENSOR_TYPE_NULL,SENSOR_NUM_TYPES);
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82 for(i=SENSOR_TYPE_NULL+1; i<SENSOR_NUM_TYPES; i++)
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85 atomic_set(&g_sensor[i]->flags.debug_flag, num);
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91 static const struct file_operations sensor_proc_fops = {
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92 .owner = THIS_MODULE,
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93 .write = sensor_proc_write,
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98 static int sensor_get_id(struct i2c_client *client, int *value)
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100 struct sensor_private_data *sensor =
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101 (struct sensor_private_data *) i2c_get_clientdata(client);
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103 char temp = sensor->ops->id_reg;
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106 if(sensor->ops->id_reg >= 0)
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110 result = sensor_rx_data(client, &temp, 1);
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119 if(*value != sensor->ops->id_data)
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121 printk("%s:id=0x%x is not 0x%x\n",__func__,*value, sensor->ops->id_data);
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125 DBG("%s:devid=0x%x\n",__func__,*value);
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131 static int sensor_initial(struct i2c_client *client)
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133 struct sensor_private_data *sensor =
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134 (struct sensor_private_data *) i2c_get_clientdata(client);
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137 //register setting according to chip datasheet
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138 result = sensor->ops->init(client);
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141 printk("%s:fail to init sensor\n",__func__);
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146 DBG("%s:ctrl_data=0x%x\n",__func__,sensor->ops->ctrl_data);
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152 static int sensor_chip_init(struct i2c_client *client)
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154 struct sensor_private_data *sensor =
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155 (struct sensor_private_data *) i2c_get_clientdata(client);
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156 struct sensor_operate *ops = sensor_ops[(int)sensor->i2c_id->driver_data];
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165 printk("%s:ops is null,sensor name is %s\n",__func__,sensor->i2c_id->name);
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170 if((sensor->type != ops->type) || ((int)sensor->i2c_id->driver_data != ops->id_i2c))
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172 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);
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177 if(!ops->init || !ops->active || !ops->report)
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179 printk("%s:error:some function is needed\n",__func__);
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184 result = sensor_get_id(sensor->client, &sensor->devid);//get id
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187 printk("%s:fail to read %s devid:0x%x\n",__func__, sensor->i2c_id->name, sensor->devid);
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191 printk("%s:%s:devid=0x%x,ops=0x%p\n",__func__, sensor->i2c_id->name, sensor->devid,sensor->ops);
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193 result = sensor_initial(sensor->client); //init sensor
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196 printk("%s:fail to init sensor\n",__func__);
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207 static int sensor_reset_rate(struct i2c_client *client, int rate)
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209 struct sensor_private_data *sensor =
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210 (struct sensor_private_data *) i2c_get_clientdata(client);
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213 result = sensor->ops->active(client,SENSOR_OFF,rate);
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214 sensor->ops->init(client);
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215 result = sensor->ops->active(client,SENSOR_ON,rate);
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220 static int sensor_get_data(struct i2c_client *client)
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222 struct sensor_private_data *sensor =
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223 (struct sensor_private_data *) i2c_get_clientdata(client);
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226 result = sensor->ops->report(client);
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230 /* set data_ready */
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231 atomic_set(&sensor->data_ready, 1);
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232 /*wake up data_ready work queue*/
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233 wake_up(&sensor->data_ready_wq);
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240 int sensor_get_cached_data(struct i2c_client* client, char *buffer, int length, struct sensor_axis *axis)
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242 struct sensor_private_data* sensor = (struct sensor_private_data *)i2c_get_clientdata(client);
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243 wait_event_interruptible_timeout(sensor->data_ready_wq,
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244 atomic_read(&(sensor->data_ready) ),
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245 msecs_to_jiffies(1000) );
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246 if ( 0 == atomic_read(&(sensor->data_ready) ) ) {
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247 printk("waiting 'data_ready_wq' timed out.");
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252 mutex_lock(&sensor->data_mutex);
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254 switch(sensor->type)
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256 case SENSOR_TYPE_ACCEL:
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257 *axis = sensor->axis;
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260 case SENSOR_TYPE_COMPASS:
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261 memcpy(buffer, sensor->sensor_data, length);
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265 mutex_unlock(&sensor->data_mutex);
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274 static void sensor_delaywork_func(struct work_struct *work)
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276 struct delayed_work *delaywork = container_of(work, struct delayed_work, work);
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277 struct sensor_private_data *sensor = container_of(delaywork, struct sensor_private_data, delaywork);
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278 struct i2c_client *client = sensor->client;
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280 mutex_lock(&sensor->sensor_mutex);
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281 if (sensor_get_data(client) < 0)
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282 DBG(KERN_ERR "%s: Get data failed\n",__func__);
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284 if(!sensor->pdata->irq_enable)//restart work while polling
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285 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
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288 //if((sensor->ops->trig == IRQF_TRIGGER_LOW) || (sensor->ops->trig == IRQF_TRIGGER_HIGH))
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289 //enable_irq(sensor->client->irq);
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291 mutex_unlock(&sensor->sensor_mutex);
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293 DBG("%s:%s\n",__func__,sensor->i2c_id->name);
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297 * This is a threaded IRQ handler so can access I2C/SPI. Since all
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298 * interrupts are clear on read the IRQ line will be reasserted and
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299 * the physical IRQ will be handled again if another interrupt is
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300 * asserted while we run - in the normal course of events this is a
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301 * rare occurrence so we save I2C/SPI reads. We're also assuming that
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302 * it's rare to get lots of interrupts firing simultaneously so try to
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305 static irqreturn_t sensor_interrupt(int irq, void *dev_id)
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307 struct sensor_private_data *sensor = (struct sensor_private_data *)dev_id;
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310 if (sensor_get_data(sensor->client) < 0)
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311 DBG(KERN_ERR "%s: Get data failed\n",__func__);
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312 msleep(sensor->pdata->poll_delay_ms);
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315 //if((sensor->ops->trig == IRQF_TRIGGER_LOW) || (sensor->ops->trig == IRQF_TRIGGER_HIGH))
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316 //disable_irq_nosync(irq);
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317 //schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
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318 DBG("%s:irq=%d\n",__func__,irq);
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319 return IRQ_HANDLED;
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323 static int sensor_irq_init(struct i2c_client *client)
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325 struct sensor_private_data *sensor =
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326 (struct sensor_private_data *) i2c_get_clientdata(client);
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329 if((sensor->pdata->irq_enable)&&(sensor->ops->trig != SENSOR_UNKNOW_DATA))
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331 //INIT_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
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332 if(sensor->pdata->poll_delay_ms < 0)
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333 sensor->pdata->poll_delay_ms = 30;
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335 result = gpio_request(client->irq, sensor->i2c_id->name);
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338 printk("%s:fail to request gpio :%d\n",__func__,client->irq);
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341 gpio_pull_updown(client->irq, PullEnable);
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342 irq = gpio_to_irq(client->irq);
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343 //result = request_irq(irq, sensor_interrupt, sensor->ops->trig, sensor->ops->name, sensor);
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344 result = request_threaded_irq(irq, NULL, sensor_interrupt, sensor->ops->trig, sensor->ops->name, sensor);
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346 printk(KERN_ERR "%s:fail to request irq = %d, ret = 0x%x\n",__func__, irq, result);
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350 if((sensor->pdata->type == SENSOR_TYPE_GYROSCOPE) || (sensor->pdata->type == SENSOR_TYPE_ACCEL))
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351 disable_irq_nosync(client->irq);//disable irq
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352 if(((sensor->pdata->type == SENSOR_TYPE_LIGHT) || (sensor->pdata->type == SENSOR_TYPE_PROXIMITY))&& (!(sensor->ops->trig & IRQF_SHARED)))
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353 disable_irq_nosync(client->irq);//disable irq
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354 if(((sensor->pdata->type == SENSOR_TYPE_TEMPERATURE) || (sensor->pdata->type == SENSOR_TYPE_PRESSURE))&& (!(sensor->ops->trig & IRQF_SHARED)))
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355 disable_irq_nosync(client->irq);//disable irq
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356 printk("%s:use irq=%d\n",__func__,irq);
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358 else if(!sensor->pdata->irq_enable)
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360 INIT_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
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361 if(sensor->pdata->poll_delay_ms < 0)
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362 sensor->pdata->poll_delay_ms = 30;
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364 printk("%s:use polling,delay=%d ms\n",__func__,sensor->pdata->poll_delay_ms);
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371 #ifdef CONFIG_HAS_EARLYSUSPEND
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372 static void sensor_suspend(struct early_suspend *h)
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374 struct sensor_private_data *sensor =
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375 container_of(h, struct sensor_private_data, early_suspend);
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377 if(sensor->ops->suspend)
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378 sensor->ops->suspend(sensor->client);
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382 static void sensor_resume(struct early_suspend *h)
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384 struct sensor_private_data *sensor =
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385 container_of(h, struct sensor_private_data, early_suspend);
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387 if(sensor->ops->resume)
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388 sensor->ops->resume(sensor->client);
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392 static int gsensor_dev_open(struct inode *inode, struct file *file)
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394 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];
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395 //struct i2c_client *client = sensor->client;
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404 static int gsensor_dev_release(struct inode *inode, struct file *file)
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406 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];
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407 //struct i2c_client *client = sensor->client;
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415 /* ioctl - I/O control */
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416 static long gsensor_dev_ioctl(struct file *file,
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417 unsigned int cmd, unsigned long arg)
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419 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];
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420 struct i2c_client *client = sensor->client;
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421 void __user *argp = (void __user *)arg;
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422 struct sensor_axis axis = {0};
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427 case GSENSOR_IOCTL_APP_SET_RATE:
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428 if (copy_from_user(&rate, argp, sizeof(rate)))
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439 case GSENSOR_IOCTL_START:
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440 DBG("%s:GSENSOR_IOCTL_START start,status=%d\n", __func__,sensor->status_cur);
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441 mutex_lock(&sensor->operation_mutex);
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442 if(++sensor->start_count == 1)
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444 if(sensor->status_cur == SENSOR_OFF)
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446 atomic_set(&(sensor->data_ready), 0);
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447 if ( (result = sensor->ops->active(client, 1, 0) ) < 0 ) {
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448 mutex_unlock(&sensor->operation_mutex);
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449 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
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452 if(sensor->pdata->irq_enable)
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454 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
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455 enable_irq(client->irq); //enable irq
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459 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
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460 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
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462 sensor->status_cur = SENSOR_ON;
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465 mutex_unlock(&sensor->operation_mutex);
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466 DBG("%s:GSENSOR_IOCTL_START OK\n", __func__);
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469 case GSENSOR_IOCTL_CLOSE:
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470 DBG("%s:GSENSOR_IOCTL_CLOSE start,status=%d\n", __func__,sensor->status_cur);
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471 mutex_lock(&sensor->operation_mutex);
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472 if(--sensor->start_count == 0)
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474 if(sensor->status_cur == SENSOR_ON)
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476 atomic_set(&(sensor->data_ready), 0);
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477 if ( (result = sensor->ops->active(client, 0, 0) ) < 0 ) {
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478 mutex_unlock(&sensor->operation_mutex);
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482 if(sensor->pdata->irq_enable)
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484 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
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485 disable_irq_nosync(client->irq);//disable irq
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488 cancel_delayed_work_sync(&sensor->delaywork);
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489 sensor->status_cur = SENSOR_OFF;
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492 DBG("%s:GSENSOR_IOCTL_CLOSE OK\n", __func__);
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495 mutex_unlock(&sensor->operation_mutex);
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498 case GSENSOR_IOCTL_APP_SET_RATE:
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499 DBG("%s:GSENSOR_IOCTL_APP_SET_RATE start\n", __func__);
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500 mutex_lock(&sensor->operation_mutex);
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501 result = sensor_reset_rate(client, rate);
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503 mutex_unlock(&sensor->operation_mutex);
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507 sensor->status_cur = SENSOR_ON;
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508 mutex_unlock(&sensor->operation_mutex);
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509 DBG("%s:GSENSOR_IOCTL_APP_SET_RATE OK\n", __func__);
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512 case GSENSOR_IOCTL_GETDATA:
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513 mutex_lock(&sensor->data_mutex);
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514 memcpy(&axis, &sensor->axis, sizeof(sensor->axis)); //get data from buffer
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515 mutex_unlock(&sensor->data_mutex);
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523 case GSENSOR_IOCTL_GETDATA:
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524 if ( copy_to_user(argp, &axis, sizeof(axis) ) ) {
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525 printk("failed to copy sense data to user space.");
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529 DBG("%s:GSENSOR_IOCTL_GETDATA OK\n", __func__);
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539 static ssize_t gsensor_set_orientation_online(struct class *class,
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540 struct class_attribute *attr, const char *buf, size_t count)
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543 char orientation[20];
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546 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];
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547 struct sensor_platform_data *pdata = sensor->pdata;
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550 char *p = strstr(buf,"gsensor_class");
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551 int start = strcspn(p,"{");
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552 int end = strcspn(p,"}");
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554 strncpy(orientation,p+start,end-start+1);
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558 while(strncmp(tmp,"}",1)!=0)
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560 if((strncmp(tmp,",",1)==0)||(strncmp(tmp,"{",1)==0))
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566 else if(strncmp(tmp,"-",1)==0)
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568 pdata->orientation[i++]=-1;
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569 DBG("i=%d,data=%d\n",i,pdata->orientation[i]);
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574 pdata->orientation[i++]=tmp[0]-48;
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575 DBG("----i=%d,data=%d\n",i,pdata->orientation[i]);
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583 DBG("i=%d gsensor_info=%d\n",i,pdata->orientation[i]);
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588 static CLASS_ATTR(orientation, 0660, NULL, gsensor_set_orientation_online);
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590 static int gsensor_class_init(void)
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593 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_ACCEL];
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594 g_sensor_class[SENSOR_TYPE_ACCEL] = class_create(THIS_MODULE, "gsensor_class");
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595 ret = class_create_file(g_sensor_class[SENSOR_TYPE_ACCEL], &class_attr_orientation);
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598 printk("%s:Fail to creat class\n",__func__);
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601 printk("%s:%s\n",__func__,sensor->i2c_id->name);
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607 static int compass_dev_open(struct inode *inode, struct file *file)
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609 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];
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610 //struct i2c_client *client = sensor->client;
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614 flag = atomic_read(&sensor->flags.open_flag);
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617 atomic_set(&sensor->flags.open_flag, 1);
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618 wake_up(&sensor->flags.open_wq);
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621 DBG("%s\n", __func__);
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627 static int compass_dev_release(struct inode *inode, struct file *file)
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629 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];
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630 //struct i2c_client *client = sensor->client;
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631 //void __user *argp = (void __user *)arg;
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634 flag = atomic_read(&sensor->flags.open_flag);
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637 atomic_set(&sensor->flags.open_flag, 0);
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638 wake_up(&sensor->flags.open_wq);
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641 DBG("%s\n", __func__);
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647 /* ioctl - I/O control */
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648 static long compass_dev_ioctl(struct file *file,
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649 unsigned int cmd, unsigned long arg)
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651 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_COMPASS];
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652 //struct i2c_client *client = sensor->client;
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653 void __user *argp = (void __user *)arg;
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658 case ECS_IOCTL_APP_SET_MFLAG:
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659 case ECS_IOCTL_APP_SET_AFLAG:
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660 case ECS_IOCTL_APP_SET_MVFLAG:
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661 if (copy_from_user(&flag, argp, sizeof(flag))) {
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664 if (flag < 0 || flag > 1) {
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668 case ECS_IOCTL_APP_SET_DELAY:
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669 if (copy_from_user(&flag, argp, sizeof(flag))) {
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678 case ECS_IOCTL_APP_SET_MFLAG:
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679 atomic_set(&sensor->flags.m_flag, flag);
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680 DBG("%s:ECS_IOCTL_APP_SET_MFLAG,flag=%d\n", __func__,flag);
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682 case ECS_IOCTL_APP_GET_MFLAG:
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683 flag = atomic_read(&sensor->flags.m_flag);
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684 DBG("%s:ECS_IOCTL_APP_GET_MFLAG,flag=%d\n", __func__,flag);
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686 case ECS_IOCTL_APP_SET_AFLAG:
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687 atomic_set(&sensor->flags.a_flag, flag);
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688 DBG("%s:ECS_IOCTL_APP_SET_AFLAG,flag=%d\n", __func__,flag);
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690 case ECS_IOCTL_APP_GET_AFLAG:
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691 flag = atomic_read(&sensor->flags.a_flag);
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692 DBG("%s:ECS_IOCTL_APP_GET_AFLAG,flag=%d\n", __func__,flag);
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694 case ECS_IOCTL_APP_SET_MVFLAG:
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695 atomic_set(&sensor->flags.mv_flag, flag);
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696 DBG("%s:ECS_IOCTL_APP_SET_MVFLAG,flag=%d\n", __func__,flag);
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698 case ECS_IOCTL_APP_GET_MVFLAG:
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699 flag = atomic_read(&sensor->flags.mv_flag);
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700 DBG("%s:ECS_IOCTL_APP_GET_MVFLAG,flag=%d\n", __func__,flag);
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702 case ECS_IOCTL_APP_SET_DELAY:
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703 sensor->flags.delay = flag;
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705 case ECS_IOCTL_APP_GET_DELAY:
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706 flag = sensor->flags.delay;
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713 case ECS_IOCTL_APP_GET_MFLAG:
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714 case ECS_IOCTL_APP_GET_AFLAG:
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715 case ECS_IOCTL_APP_GET_MVFLAG:
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716 case ECS_IOCTL_APP_GET_DELAY:
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717 if (copy_to_user(argp, &flag, sizeof(flag))) {
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728 static int gyro_dev_open(struct inode *inode, struct file *file)
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730 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];
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731 //struct i2c_client *client = sensor->client;
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740 static int gyro_dev_release(struct inode *inode, struct file *file)
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742 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];
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743 //struct i2c_client *client = sensor->client;
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752 /* ioctl - I/O control */
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753 static long gyro_dev_ioctl(struct file *file,
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754 unsigned int cmd, unsigned long arg)
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756 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_GYROSCOPE];
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757 struct i2c_client *client = sensor->client;
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758 void __user *argp = (void __user *)arg;
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762 case L3G4200D_IOCTL_GET_ENABLE:
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763 result = !sensor->status_cur;
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764 if (copy_to_user(argp, &result, sizeof(result)))
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766 printk("%s:failed to copy status to user space.\n",__FUNCTION__);
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770 DBG("%s :L3G4200D_IOCTL_GET_ENABLE,status=%d\n",__FUNCTION__,result);
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772 case L3G4200D_IOCTL_SET_ENABLE:
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773 DBG("%s :L3G4200D_IOCTL_SET_ENABLE,flag=%d\n",__FUNCTION__,*(unsigned int *)argp);
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774 mutex_lock(&sensor->operation_mutex);
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775 if(*(unsigned int *)argp)
\r
777 if(sensor->status_cur == SENSOR_OFF)
\r
779 if ( (result = sensor->ops->active(client, 1, ODR100_BW12_5) ) < 0 ) {
\r
780 mutex_unlock(&sensor->operation_mutex);
\r
781 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
784 if(sensor->pdata->irq_enable)
\r
786 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
787 enable_irq(client->irq); //enable irq
\r
791 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
792 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
794 sensor->status_cur = SENSOR_ON;
\r
799 if(sensor->status_cur == SENSOR_ON)
\r
801 if ( (result = sensor->ops->active(client, 0, 0) ) < 0 ) {
\r
802 mutex_unlock(&sensor->operation_mutex);
\r
806 if(sensor->pdata->irq_enable)
\r
808 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
\r
809 disable_irq_nosync(client->irq);//disable irq
\r
812 cancel_delayed_work_sync(&sensor->delaywork);
\r
813 sensor->status_cur = SENSOR_OFF;
\r
817 result = sensor->status_cur;
\r
818 if (copy_to_user(argp, &result, sizeof(result)))
\r
820 printk("%s:failed to copy sense data to user space.\n",__FUNCTION__);
\r
824 mutex_unlock(&sensor->operation_mutex);
\r
825 DBG("%s:L3G4200D_IOCTL_SET_ENABLE OK\n", __func__);
\r
827 case L3G4200D_IOCTL_SET_DELAY:
\r
828 mutex_lock(&sensor->operation_mutex);
\r
829 if (copy_from_user(&rate, argp, sizeof(rate)))
\r
831 if(sensor->status_cur == SENSOR_OFF)
\r
833 if ( (result = sensor->ops->active(client, 1, rate) ) < 0 ) {
\r
834 mutex_unlock(&sensor->operation_mutex);
\r
835 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
839 if(sensor->pdata->irq_enable)
\r
841 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
842 enable_irq(client->irq); //enable irq
\r
846 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
847 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
849 sensor->status_cur = SENSOR_ON;
\r
852 mutex_unlock(&sensor->operation_mutex);
\r
853 DBG("%s :L3G4200D_IOCTL_SET_DELAY,rate=%d\n",__FUNCTION__,rate);
\r
857 printk("%s:error,cmd=0x%x\n",__func__,cmd);
\r
861 DBG("%s:line=%d,cmd=0x%x\n",__func__,__LINE__,cmd);
\r
867 static int light_dev_open(struct inode *inode, struct file *file)
\r
869 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];
\r
870 //struct i2c_client *client = sensor->client;
\r
880 static int light_dev_release(struct inode *inode, struct file *file)
\r
882 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];
\r
883 //struct i2c_client *client = sensor->client;
\r
891 /* ioctl - I/O control */
\r
892 static long light_dev_ioctl(struct file *file,
\r
893 unsigned int cmd, unsigned long arg)
\r
895 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_LIGHT];
\r
896 struct i2c_client *client = sensor->client;
\r
897 unsigned int *argp = (unsigned int *)arg;
\r
902 case LIGHTSENSOR_IOCTL_GET_ENABLED:
\r
903 *argp = sensor->status_cur;
\r
905 case LIGHTSENSOR_IOCTL_ENABLE:
\r
906 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE start\n", __func__);
\r
907 mutex_lock(&sensor->operation_mutex);
\r
908 if(*(unsigned int *)argp)
\r
910 if(sensor->status_cur == SENSOR_OFF)
\r
912 if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {
\r
913 mutex_unlock(&sensor->operation_mutex);
\r
914 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
917 if(sensor->pdata->irq_enable)
\r
919 if(!(sensor->ops->trig & IRQF_SHARED))
\r
921 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
922 enable_irq(client->irq); //enable irq
\r
927 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
928 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
931 sensor->status_cur = SENSOR_ON;
\r
936 if(sensor->status_cur == SENSOR_ON)
\r
938 if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {
\r
939 mutex_unlock(&sensor->operation_mutex);
\r
943 if(sensor->pdata->irq_enable)
\r
945 if(!(sensor->ops->trig & IRQF_SHARED))
\r
947 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
\r
948 disable_irq_nosync(client->irq);//disable irq
\r
952 cancel_delayed_work_sync(&sensor->delaywork);
\r
954 sensor->status_cur = SENSOR_OFF;
\r
957 mutex_unlock(&sensor->operation_mutex);
\r
958 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE OK\n", __func__);
\r
970 static int proximity_dev_open(struct inode *inode, struct file *file)
\r
972 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];
\r
973 //struct i2c_client *client = sensor->client;
\r
981 static int proximity_dev_release(struct inode *inode, struct file *file)
\r
983 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];
\r
984 //struct i2c_client *client = sensor->client;
\r
992 /* ioctl - I/O control */
\r
993 static long proximity_dev_ioctl(struct file *file,
\r
994 unsigned int cmd, unsigned long arg)
\r
996 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PROXIMITY];
\r
997 struct i2c_client *client = sensor->client;
\r
998 unsigned int *argp = (unsigned int *)arg;
\r
1002 case PSENSOR_IOCTL_GET_ENABLED:
\r
1003 *argp = sensor->status_cur;
\r
1005 case PSENSOR_IOCTL_ENABLE:
\r
1006 DBG("%s:PSENSOR_IOCTL_ENABLE start\n", __func__);
\r
1007 mutex_lock(&sensor->operation_mutex);
\r
1008 if(*(unsigned int *)argp)
\r
1010 if(sensor->status_cur == SENSOR_OFF)
\r
1012 if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {
\r
1013 mutex_unlock(&sensor->operation_mutex);
\r
1014 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
1018 if(sensor->pdata->irq_enable)
\r
1020 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1022 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
1023 enable_irq(client->irq); //enable irq
\r
1028 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
1029 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
1032 sensor->status_cur = SENSOR_ON;
\r
1037 if(sensor->status_cur == SENSOR_ON)
\r
1039 if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {
\r
1040 mutex_unlock(&sensor->operation_mutex);
\r
1043 if(sensor->pdata->irq_enable)
\r
1045 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1047 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
\r
1048 disable_irq_nosync(client->irq);//disable irq
\r
1052 cancel_delayed_work_sync(&sensor->delaywork);
\r
1053 sensor->status_cur = SENSOR_OFF;
\r
1056 mutex_unlock(&sensor->operation_mutex);
\r
1057 DBG("%s:PSENSOR_IOCTL_ENABLE OK\n", __func__);
\r
1068 static int temperature_dev_open(struct inode *inode, struct file *file)
\r
1070 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];
\r
1071 //struct i2c_client *client = sensor->client;
\r
1080 static int temperature_dev_release(struct inode *inode, struct file *file)
\r
1082 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];
\r
1083 //struct i2c_client *client = sensor->client;
\r
1092 /* ioctl - I/O control */
\r
1093 static long temperature_dev_ioctl(struct file *file,
\r
1094 unsigned int cmd, unsigned long arg)
\r
1096 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_TEMPERATURE];
\r
1097 struct i2c_client *client = sensor->client;
\r
1098 unsigned int *argp = (unsigned int *)arg;
\r
1103 case TEMPERATURE_IOCTL_GET_ENABLED:
\r
1104 *argp = sensor->status_cur;
\r
1106 case TEMPERATURE_IOCTL_ENABLE:
\r
1107 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE start\n", __func__);
\r
1108 mutex_lock(&sensor->operation_mutex);
\r
1109 if(*(unsigned int *)argp)
\r
1111 if(sensor->status_cur == SENSOR_OFF)
\r
1113 if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {
\r
1114 mutex_unlock(&sensor->operation_mutex);
\r
1115 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
1118 if(sensor->pdata->irq_enable)
\r
1120 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1122 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
1123 enable_irq(client->irq); //enable irq
\r
1128 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
1129 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
1132 sensor->status_cur = SENSOR_ON;
\r
1137 if(sensor->status_cur == SENSOR_ON)
\r
1139 if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {
\r
1140 mutex_unlock(&sensor->operation_mutex);
\r
1144 if(sensor->pdata->irq_enable)
\r
1146 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1148 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
\r
1149 disable_irq_nosync(client->irq);//disable irq
\r
1153 cancel_delayed_work_sync(&sensor->delaywork);
\r
1155 sensor->status_cur = SENSOR_OFF;
\r
1158 mutex_unlock(&sensor->operation_mutex);
\r
1159 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE OK\n", __func__);
\r
1171 static int pressure_dev_open(struct inode *inode, struct file *file)
\r
1173 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PRESSURE];
\r
1174 //struct i2c_client *client = sensor->client;
\r
1183 static int pressure_dev_release(struct inode *inode, struct file *file)
\r
1185 //struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PRESSURE];
\r
1186 //struct i2c_client *client = sensor->client;
\r
1195 /* ioctl - I/O control */
\r
1196 static long pressure_dev_ioctl(struct file *file,
\r
1197 unsigned int cmd, unsigned long arg)
\r
1199 struct sensor_private_data *sensor = g_sensor[SENSOR_TYPE_PRESSURE];
\r
1200 struct i2c_client *client = sensor->client;
\r
1201 unsigned int *argp = (unsigned int *)arg;
\r
1206 case PRESSURE_IOCTL_GET_ENABLED:
\r
1207 *argp = sensor->status_cur;
\r
1209 case PRESSURE_IOCTL_ENABLE:
\r
1210 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE start\n", __func__);
\r
1211 mutex_lock(&sensor->operation_mutex);
\r
1212 if(*(unsigned int *)argp)
\r
1214 if(sensor->status_cur == SENSOR_OFF)
\r
1216 if ( (result = sensor->ops->active(client, SENSOR_ON, 0) ) < 0 ) {
\r
1217 mutex_unlock(&sensor->operation_mutex);
\r
1218 printk("%s:fail to active sensor,ret=%d\n",__func__,result);
\r
1221 if(sensor->pdata->irq_enable)
\r
1223 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1225 DBG("%s:enable irq,irq=%d\n",__func__,client->irq);
\r
1226 enable_irq(client->irq); //enable irq
\r
1231 PREPARE_DELAYED_WORK(&sensor->delaywork, sensor_delaywork_func);
\r
1232 schedule_delayed_work(&sensor->delaywork, msecs_to_jiffies(sensor->pdata->poll_delay_ms));
\r
1235 sensor->status_cur = SENSOR_ON;
\r
1240 if(sensor->status_cur == SENSOR_ON)
\r
1242 if ( (result = sensor->ops->active(client, SENSOR_OFF, 0) ) < 0 ) {
\r
1243 mutex_unlock(&sensor->operation_mutex);
\r
1247 if(sensor->pdata->irq_enable)
\r
1249 if(!(sensor->ops->trig & IRQF_SHARED))
\r
1251 DBG("%s:disable irq,irq=%d\n",__func__,client->irq);
\r
1252 disable_irq_nosync(client->irq);//disable irq
\r
1256 cancel_delayed_work_sync(&sensor->delaywork);
\r
1258 sensor->status_cur = SENSOR_OFF;
\r
1261 mutex_unlock(&sensor->operation_mutex);
\r
1262 DBG("%s:LIGHTSENSOR_IOCTL_ENABLE OK\n", __func__);
\r
1276 static int sensor_misc_device_register(struct sensor_private_data *sensor, int type)
\r
1282 case SENSOR_TYPE_ACCEL:
\r
1283 if(!sensor->ops->misc_dev)
\r
1285 sensor->fops.owner = THIS_MODULE;
\r
1286 sensor->fops.unlocked_ioctl = gsensor_dev_ioctl;
\r
1287 sensor->fops.open = gsensor_dev_open;
\r
1288 sensor->fops.release = gsensor_dev_release;
\r
1290 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1291 sensor->miscdev.name = "mma8452_daemon";
\r
1292 sensor->miscdev.fops = &sensor->fops;
\r
1296 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1302 case SENSOR_TYPE_COMPASS:
\r
1303 if(!sensor->ops->misc_dev)
\r
1305 sensor->fops.owner = THIS_MODULE;
\r
1306 sensor->fops.unlocked_ioctl = compass_dev_ioctl;
\r
1307 sensor->fops.open = compass_dev_open;
\r
1308 sensor->fops.release = compass_dev_release;
\r
1310 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1311 sensor->miscdev.name = "compass";
\r
1312 sensor->miscdev.fops = &sensor->fops;
\r
1316 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1322 case SENSOR_TYPE_GYROSCOPE:
\r
1323 if(!sensor->ops->misc_dev)
\r
1325 sensor->fops.owner = THIS_MODULE;
\r
1326 sensor->fops.unlocked_ioctl = gyro_dev_ioctl;
\r
1327 sensor->fops.open = gyro_dev_open;
\r
1328 sensor->fops.release = gyro_dev_release;
\r
1330 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1331 sensor->miscdev.name = "gyrosensor";
\r
1332 sensor->miscdev.fops = &sensor->fops;
\r
1336 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1342 case SENSOR_TYPE_LIGHT:
\r
1343 if(!sensor->ops->misc_dev)
\r
1345 sensor->fops.owner = THIS_MODULE;
\r
1346 sensor->fops.unlocked_ioctl = light_dev_ioctl;
\r
1347 sensor->fops.open = light_dev_open;
\r
1348 sensor->fops.release = light_dev_release;
\r
1350 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1351 sensor->miscdev.name = "lightsensor";
\r
1352 sensor->miscdev.fops = &sensor->fops;
\r
1356 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1361 case SENSOR_TYPE_PROXIMITY:
\r
1362 if(!sensor->ops->misc_dev)
\r
1364 sensor->fops.owner = THIS_MODULE;
\r
1365 sensor->fops.unlocked_ioctl = proximity_dev_ioctl;
\r
1366 sensor->fops.open = proximity_dev_open;
\r
1367 sensor->fops.release = proximity_dev_release;
\r
1369 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1370 sensor->miscdev.name = "psensor";
\r
1371 sensor->miscdev.fops = &sensor->fops;
\r
1375 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1380 case SENSOR_TYPE_TEMPERATURE:
\r
1381 if(!sensor->ops->misc_dev)
\r
1383 sensor->fops.owner = THIS_MODULE;
\r
1384 sensor->fops.unlocked_ioctl = temperature_dev_ioctl;
\r
1385 sensor->fops.open = temperature_dev_open;
\r
1386 sensor->fops.release = temperature_dev_release;
\r
1388 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1389 sensor->miscdev.name = "temperature";
\r
1390 sensor->miscdev.fops = &sensor->fops;
\r
1394 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1400 case SENSOR_TYPE_PRESSURE:
\r
1401 if(!sensor->ops->misc_dev)
\r
1403 sensor->fops.owner = THIS_MODULE;
\r
1404 sensor->fops.unlocked_ioctl = pressure_dev_ioctl;
\r
1405 sensor->fops.open = pressure_dev_open;
\r
1406 sensor->fops.release = pressure_dev_release;
\r
1408 sensor->miscdev.minor = MISC_DYNAMIC_MINOR;
\r
1409 sensor->miscdev.name = "pressure";
\r
1410 sensor->miscdev.fops = &sensor->fops;
\r
1414 memcpy(&sensor->miscdev, sensor->ops->misc_dev, sizeof(*sensor->ops->misc_dev));
\r
1421 printk("%s:unknow sensor type=%d\n",__func__,type);
\r
1426 sensor->miscdev.parent = &sensor->client->dev;
\r
1427 result = misc_register(&sensor->miscdev);
\r
1429 dev_err(&sensor->client->dev,
\r
1430 "fail to register misc device %s\n", sensor->miscdev.name);
\r
1434 printk("%s:miscdevice: %s\n",__func__,sensor->miscdev.name);
\r
1442 int sensor_register_slave(int type,struct i2c_client *client,
\r
1443 struct sensor_platform_data *slave_pdata,
\r
1444 struct sensor_operate *(*get_sensor_ops)(void))
\r
1447 struct sensor_operate *ops = get_sensor_ops();
\r
1448 if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))
\r
1450 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);
\r
1453 sensor_ops[ops->id_i2c] = ops;
\r
1454 printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);
\r
1459 int sensor_unregister_slave(int type,struct i2c_client *client,
\r
1460 struct sensor_platform_data *slave_pdata,
\r
1461 struct sensor_operate *(*get_sensor_ops)(void))
\r
1464 struct sensor_operate *ops = get_sensor_ops();
\r
1465 if((ops->id_i2c >= SENSOR_NUM_ID) || (ops->id_i2c <= ID_INVALID))
\r
1467 printk("%s:%s id is error %d\n", __func__, ops->name, ops->id_i2c);
\r
1470 printk("%s:%s,id=%d\n",__func__,sensor_ops[ops->id_i2c]->name, ops->id_i2c);
\r
1471 sensor_ops[ops->id_i2c] = NULL;
\r
1476 int sensor_probe(struct i2c_client *client, const struct i2c_device_id *devid)
\r
1478 struct sensor_private_data *sensor =
\r
1479 (struct sensor_private_data *) i2c_get_clientdata(client);
\r
1480 struct sensor_platform_data *pdata;
\r
1484 dev_info(&client->adapter->dev, "%s: %s,0x%x\n", __func__, devid->name,(unsigned int)client);
\r
1486 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
\r
1491 pdata = client->dev.platform_data;
\r
1493 dev_err(&client->adapter->dev,
\r
1494 "Missing platform data for slave %s\n", devid->name);
\r
1499 sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);
\r
1505 type= pdata->type;
\r
1507 if((type >= SENSOR_NUM_TYPES) || (type <= SENSOR_TYPE_NULL))
\r
1509 dev_err(&client->adapter->dev, "sensor type is error %d\n", pdata->type);
\r
1511 goto out_no_free;
\r
1514 if(((int)devid->driver_data >= SENSOR_NUM_ID) || ((int)devid->driver_data <= ID_INVALID))
\r
1516 dev_err(&client->adapter->dev, "sensor id is error %d\n", (int)devid->driver_data);
\r
1518 goto out_no_free;
\r
1521 i2c_set_clientdata(client, sensor);
\r
1522 sensor->client = client;
\r
1523 sensor->pdata = pdata;
\r
1524 sensor->type = type;
\r
1525 sensor->i2c_id = (struct i2c_device_id *)devid;
\r
1527 if (pdata->init_platform_hw) {
\r
1528 result = pdata->init_platform_hw();
\r
1530 goto out_free_memory;
\r
1533 if(pdata->reset_pin)
\r
1534 gpio_request(pdata->reset_pin,"sensor_reset_pin");
\r
1536 if(pdata->power_pin)
\r
1537 gpio_request(pdata->power_pin,"sensor_power_pin");
\r
1539 memset(&(sensor->axis), 0, sizeof(struct sensor_axis) );
\r
1540 atomic_set(&(sensor->data_ready), 0);
\r
1541 init_waitqueue_head(&(sensor->data_ready_wq));
\r
1542 mutex_init(&sensor->data_mutex);
\r
1543 mutex_init(&sensor->operation_mutex);
\r
1544 mutex_init(&sensor->sensor_mutex);
\r
1545 mutex_init(&sensor->i2c_mutex);
\r
1547 /* As default, report all information */
\r
1548 atomic_set(&sensor->flags.m_flag, 1);
\r
1549 atomic_set(&sensor->flags.a_flag, 1);
\r
1550 atomic_set(&sensor->flags.mv_flag, 1);
\r
1551 atomic_set(&sensor->flags.open_flag, 0);
\r
1552 atomic_set(&sensor->flags.debug_flag, 0);
\r
1553 init_waitqueue_head(&sensor->flags.open_wq);
\r
1554 sensor->flags.delay = 100;
\r
1556 sensor->status_cur = SENSOR_OFF;
\r
1557 sensor->axis.x = 0;
\r
1558 sensor->axis.y = 0;
\r
1559 sensor->axis.z = 0;
\r
1561 result = sensor_chip_init(sensor->client);
\r
1563 goto out_free_memory;
\r
1565 sensor->input_dev = input_allocate_device();
\r
1566 if (!sensor->input_dev) {
\r
1568 dev_err(&client->dev,
\r
1569 "Failed to allocate input device %s\n", sensor->input_dev->name);
\r
1570 goto out_free_memory;
\r
1575 case SENSOR_TYPE_ACCEL:
\r
1576 sensor->input_dev->name = "gsensor";
\r
1577 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1578 /* x-axis acceleration */
\r
1579 input_set_abs_params(sensor->input_dev, ABS_X, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range
\r
1580 /* y-axis acceleration */
\r
1581 input_set_abs_params(sensor->input_dev, ABS_Y, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range
\r
1582 /* z-axis acceleration */
\r
1583 input_set_abs_params(sensor->input_dev, ABS_Z, sensor->ops->range[0], sensor->ops->range[1], 0, 0); //2g full scale range
\r
1585 case SENSOR_TYPE_COMPASS:
\r
1586 sensor->input_dev->name = "compass";
\r
1587 /* Setup input device */
\r
1588 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1589 /* yaw (0, 360) */
\r
1590 input_set_abs_params(sensor->input_dev, ABS_RX, 0, 23040, 0, 0);
\r
1591 /* pitch (-180, 180) */
\r
1592 input_set_abs_params(sensor->input_dev, ABS_RY, -11520, 11520, 0, 0);
\r
1593 /* roll (-90, 90) */
\r
1594 input_set_abs_params(sensor->input_dev, ABS_RZ, -5760, 5760, 0, 0);
\r
1595 /* x-axis acceleration (720 x 8G) */
\r
1596 input_set_abs_params(sensor->input_dev, ABS_X, -5760, 5760, 0, 0);
\r
1597 /* y-axis acceleration (720 x 8G) */
\r
1598 input_set_abs_params(sensor->input_dev, ABS_Y, -5760, 5760, 0, 0);
\r
1599 /* z-axis acceleration (720 x 8G) */
\r
1600 input_set_abs_params(sensor->input_dev, ABS_Z, -5760, 5760, 0, 0);
\r
1601 /* status of magnetic sensor */
\r
1602 input_set_abs_params(sensor->input_dev, ABS_RUDDER, -32768, 3, 0, 0);
\r
1603 /* status of acceleration sensor */
\r
1604 input_set_abs_params(sensor->input_dev, ABS_WHEEL, -32768, 3, 0, 0);
\r
1605 /* x-axis of raw magnetic vector (-4096, 4095) */
\r
1606 input_set_abs_params(sensor->input_dev, ABS_HAT0X, -20480, 20479, 0, 0);
\r
1607 /* y-axis of raw magnetic vector (-4096, 4095) */
\r
1608 input_set_abs_params(sensor->input_dev, ABS_HAT0Y, -20480, 20479, 0, 0);
\r
1609 /* z-axis of raw magnetic vector (-4096, 4095) */
\r
1610 input_set_abs_params(sensor->input_dev, ABS_BRAKE, -20480, 20479, 0, 0);
\r
1612 case SENSOR_TYPE_GYROSCOPE:
\r
1613 sensor->input_dev->name = "gyro";
\r
1614 /* x-axis acceleration */
\r
1615 input_set_capability(sensor->input_dev, EV_REL, REL_RX);
\r
1616 input_set_abs_params(sensor->input_dev, ABS_RX, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1617 /* y-axis acceleration */
\r
1618 input_set_capability(sensor->input_dev, EV_REL, REL_RY);
\r
1619 input_set_abs_params(sensor->input_dev, ABS_RY, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1620 /* z-axis acceleration */
\r
1621 input_set_capability(sensor->input_dev, EV_REL, REL_RZ);
\r
1622 input_set_abs_params(sensor->input_dev, ABS_RZ, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1624 case SENSOR_TYPE_LIGHT:
\r
1625 sensor->input_dev->name = "lightsensor-level";
\r
1626 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1627 input_set_abs_params(sensor->input_dev, ABS_MISC, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1628 input_set_abs_params(sensor->input_dev, ABS_TOOL_WIDTH , sensor->ops->brightness[0],sensor->ops->brightness[1], 0, 0);
\r
1630 case SENSOR_TYPE_PROXIMITY:
\r
1631 sensor->input_dev->name = "proximity";
\r
1632 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1633 input_set_abs_params(sensor->input_dev, ABS_DISTANCE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1635 case SENSOR_TYPE_TEMPERATURE:
\r
1636 sensor->input_dev->name = "temperature";
\r
1637 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1638 input_set_abs_params(sensor->input_dev, ABS_THROTTLE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1640 case SENSOR_TYPE_PRESSURE:
\r
1641 sensor->input_dev->name = "pressure";
\r
1642 set_bit(EV_ABS, sensor->input_dev->evbit);
\r
1643 input_set_abs_params(sensor->input_dev, ABS_PRESSURE, sensor->ops->range[0], sensor->ops->range[1], 0, 0);
\r
1646 printk("%s:unknow sensor type=%d\n",__func__,type);
\r
1650 sensor->input_dev->dev.parent = &client->dev;
\r
1652 result = input_register_device(sensor->input_dev);
\r
1654 dev_err(&client->dev,
\r
1655 "Unable to register input device %s\n", sensor->input_dev->name);
\r
1656 goto out_input_register_device_failed;
\r
1659 result = sensor_irq_init(sensor->client);
\r
1661 dev_err(&client->dev,
\r
1662 "fail to init sensor irq,ret=%d\n",result);
\r
1663 goto out_input_register_device_failed;
\r
1667 sensor->miscdev.parent = &client->dev;
\r
1668 result = sensor_misc_device_register(sensor, type);
\r
1670 dev_err(&client->dev,
\r
1671 "fail to register misc device %s\n", sensor->miscdev.name);
\r
1672 goto out_misc_device_register_device_failed;
\r
1675 g_sensor[type] = sensor;
\r
1677 if((type == SENSOR_TYPE_ACCEL) && (sensor->pdata->factory)) //only support setting gsensor orientation online now
\r
1679 result = gsensor_class_init();
\r
1681 dev_err(&client->dev,
\r
1682 "fail to register misc device %s\n", sensor->i2c_id->name);
\r
1683 goto out_misc_device_register_device_failed;
\r
1687 #ifdef CONFIG_HAS_EARLYSUSPEND
\r
1688 if((sensor->ops->suspend) && (sensor->ops->resume))
\r
1690 sensor->early_suspend.suspend = sensor_suspend;
\r
1691 sensor->early_suspend.resume = sensor_resume;
\r
1692 sensor->early_suspend.level = 0x02;
\r
1693 register_early_suspend(&sensor->early_suspend);
\r
1697 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
1701 out_misc_device_register_device_failed:
\r
1702 input_unregister_device(sensor->input_dev);
\r
1703 out_input_register_device_failed:
\r
1704 input_free_device(sensor->input_dev);
\r
1708 dev_err(&client->adapter->dev, "%s failed %d\n\n", __func__, result);
\r
1713 static void sensor_shut_down(struct i2c_client *client)
\r
1715 #ifdef CONFIG_HAS_EARLYSUSPEND
\r
1716 struct sensor_private_data *sensor =
\r
1717 (struct sensor_private_data *) i2c_get_clientdata(client);
\r
1718 if((sensor->ops->suspend) && (sensor->ops->resume))
\r
1719 unregister_early_suspend(&sensor->early_suspend);
\r
1720 DBG("%s:%s\n",__func__,sensor->i2c_id->name);
\r
1724 static int sensor_remove(struct i2c_client *client)
\r
1726 struct sensor_private_data *sensor =
\r
1727 (struct sensor_private_data *) i2c_get_clientdata(client);
\r
1730 cancel_delayed_work_sync(&sensor->delaywork);
\r
1731 misc_deregister(&sensor->miscdev);
\r
1732 input_unregister_device(sensor->input_dev);
\r
1733 input_free_device(sensor->input_dev);
\r
1735 #ifdef CONFIG_HAS_EARLYSUSPEND
\r
1736 if((sensor->ops->suspend) && (sensor->ops->resume))
\r
1737 unregister_early_suspend(&sensor->early_suspend);
\r
1742 static const struct i2c_device_id sensor_id[] = {
\r
1744 {"gsensor", ACCEL_ID_ALL},
\r
1745 {"gs_mma8452", ACCEL_ID_MMA845X},
\r
1746 {"gs_kxtik", ACCEL_ID_KXTIK},
\r
1747 {"gs_kxtj9", ACCEL_ID_KXTJ9},
\r
1748 {"gs_lis3dh", ACCEL_ID_LIS3DH},
\r
1749 {"gs_mma7660", ACCEL_ID_MMA7660},
\r
1750 {"gs_mxc6225", ACCEL_ID_MXC6225},
\r
1751 {"gs_dmard10", ACCEL_ID_DMARD10},
\r
1753 {"compass", COMPASS_ID_ALL},
\r
1754 {"ak8975", COMPASS_ID_AK8975},
\r
1755 {"ak8963", COMPASS_ID_AK8963},
\r
1756 {"ak09911", COMPASS_ID_AK09911},
\r
1757 {"mmc314x", COMPASS_ID_MMC314X},
\r
1759 {"gyro", GYRO_ID_ALL},
\r
1760 {"l3g4200d_gyro", GYRO_ID_L3G4200D},
\r
1761 {"l3g20d_gyro", GYRO_ID_L3G20D},
\r
1762 {"ewtsa_gyro", GYRO_ID_EWTSA},
\r
1763 {"k3g", GYRO_ID_K3G},
\r
1765 {"lightsensor", LIGHT_ID_ALL},
\r
1766 {"light_cm3217", LIGHT_ID_CM3217},
\r
1767 {"light_cm3232", LIGHT_ID_CM3232},
\r
1768 {"light_al3006", LIGHT_ID_AL3006},
\r
1769 {"ls_stk3171", LIGHT_ID_STK3171},
\r
1770 {"ls_isl29023", LIGHT_ID_ISL29023},
\r
1771 {"ls_ap321xx", LIGHT_ID_AP321XX},
\r
1772 {"ls_photoresistor", LIGHT_ID_PHOTORESISTOR},
\r
1773 {"ls_us5152", LIGHT_ID_US5152},
\r
1774 /*proximity sensor*/
\r
1775 {"psensor", PROXIMITY_ID_ALL},
\r
1776 {"proximity_al3006", PROXIMITY_ID_AL3006},
\r
1777 {"ps_stk3171", PROXIMITY_ID_STK3171},
\r
1778 {"ps_ap321xx", PROXIMITY_ID_AP321XX},
\r
1781 {"temperature", TEMPERATURE_ID_ALL},
\r
1782 {"tmp_ms5607", TEMPERATURE_ID_MS5607},
\r
1785 {"pressure", PRESSURE_ID_ALL},
\r
1786 {"pr_ms5607", PRESSURE_ID_MS5607},
\r
1792 static struct i2c_driver sensor_driver = {
\r
1793 .probe = sensor_probe,
\r
1794 .remove = sensor_remove,
\r
1795 .shutdown = sensor_shut_down,
\r
1796 .id_table = sensor_id,
\r
1798 .owner = THIS_MODULE,
\r
1799 .name = "sensors",
\r
1803 static int __init sensor_init(void)
\r
1805 int res = i2c_add_driver(&sensor_driver);
\r
1806 struct proc_dir_entry *sensor_proc_entry;
\r
1807 pr_info("%s: Probe name %s\n", __func__, sensor_driver.driver.name);
\r
1809 pr_err("%s failed\n", __func__);
\r
1811 sensor_proc_entry = proc_create("driver/sensor_dbg", 0660, NULL, &sensor_proc_fops);
\r
1812 printk("%s\n", SENSOR_VERSION_AND_TIME);
\r
1816 static void __exit sensor_exit(void)
\r
1818 pr_info("%s\n", __func__);
\r
1819 i2c_del_driver(&sensor_driver);
\r
1822 late_initcall(sensor_init);
\r
1823 module_exit(sensor_exit);
\r
1825 MODULE_AUTHOR("ROCKCHIP Corporation:lw@rock-chips.com");
\r
1826 MODULE_DESCRIPTION("User space character device interface for sensors");
\r
1827 MODULE_LICENSE("GPL");
\r