/**
* @brief BMA220 ioctl control entry point
*
* @param hal Address of an initialized sensor hardware descriptor.
* @param cmd Command to execute
* @param arg Argument for command (varies)
* @return bool true if the call succeeds, else false is returned.
*/
static bool bma220_ioctl(sensor_t *sensor, sensor_command_t cmd, void *arg)
{
sensor_hal_t *const hal = sensor->hal;
sensor_data_t sample = {.scaled = true};
switch (cmd) {
default:
sensor->err = SENSOR_ERR_UNSUPPORTED;
return false;
case SENSOR_SET_STATE:
{
sensor_state_t const mode = *((sensor_state_t *)arg);
if ((mode != sensor->mod) && bma220_set_state(sensor, mode)) {
sensor->mod = (mode == SENSOR_STATE_RESET)
? SENSOR_STATE_NORMAL : mode;
return true;
} else {
return false;
}
}
case SENSOR_SET_RANGE:
return bma220_set_range(hal, (uint16_t)*((int *)arg));
case SENSOR_SET_BANDWIDTH:
return bma220_set_bandwidth(hal, (uint16_t)*((int *)arg));
case SENSOR_ENABLE_EVENT:
return bma220_event(sensor, *((sensor_event_t *)arg), 0, true);
case SENSOR_DISABLE_EVENT:
return bma220_event(sensor, *((sensor_event_t *)arg), 0, false);
case SENSOR_SET_THRESHOLD:
return bma220_set_threshold(hal,
(sensor_threshold_desc_t *)arg);
case SENSOR_GET_THRESHOLD:
return bma220_get_threshold(hal,
(sensor_threshold_desc_t *)arg);
case SENSOR_SET_TAP:
return bma220_set_tap(hal, (sensor_tap_params_t *)arg);
case SENSOR_READ_VECTOR:
if (bma220_get_accel(hal, &sample)) {
vector3_t *const pvec = (vector3_t *)arg;
pvec->x = sample.axis.x;
pvec->y = sample.axis.y;
pvec->z = sample.axis.z;
return true;
} else {
return false;
}
}
}
int tcc_sensor_set_range(struct i2c_client *client,char range)
{
return bma220_set_range(client,range);
}
/* ioctl command for BMA accel device file */
static int bma_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
int err = 0;
unsigned char data[6];
/* check cmd */
if(_IOC_TYPE(cmd) != BMA220_IOC_MAGIC)
{
#ifdef BMA_DEBUG
printk("cmd magic type error\n");
#endif
return -ENOTTY;
}
if(_IOC_NR(cmd) > BMA220_IOC_MAXNR)
{
#ifdef BMA_DEBUG
printk("cmd number error\n");
#endif
return -ENOTTY;
}
if(_IOC_DIR(cmd) & _IOC_READ)
err = !access_ok(VERIFY_WRITE,(void __user*)arg, _IOC_SIZE(cmd));
else if(_IOC_DIR(cmd) & _IOC_WRITE)
err = !access_ok(VERIFY_READ, (void __user*)arg, _IOC_SIZE(cmd));
if(err)
{
#ifdef BMA_DEBUG
printk("cmd access_ok error\n");
#endif
return -EFAULT;
}
/* check bam120_client */
if( bma_client == NULL)
{
#ifdef BMA_DEBUG
printk("I2C driver not install\n");
#endif
return -EFAULT;
}
/* cmd mapping */
switch(cmd)
{
case BMA220_SOFT_RESET:
err = bma220_soft_reset();
return err;
case BMA220_SET_SUSPEND:
err = bma220_set_suspend();
return err;
case BMA220_SET_OFFSET_TARGET_X:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_offset_target_x(*data);
return err;
case BMA220_SET_OFFSET_TARGET_Y:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_offset_target_y(*data);
return err;
case BMA220_SET_OFFSET_TARGET_Z:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_offset_target_z(*data);
return err;
case BMA220_SET_RANGE:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_range(*data);
return err;
case BMA220_GET_RANGE:
err = bma220_get_range(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_MODE:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_mode(*data);
return err;
case BMA220_GET_MODE:
err = bma220_get_mode(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_BANDWIDTH:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_bandwidth(*data);
return err;
case BMA220_GET_BANDWIDTH:
err = bma220_get_bandwidth(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_LOW_TH:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_low_th(*data);
return err;
case BMA220_SET_LOW_DUR:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_low_dur(*data);
return err;
case BMA220_SET_HIGH_TH:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_high_th(*data);
return err;
case BMA220_SET_HIGH_DUR:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_high_dur(*data);
return err;
case BMA220_RESET_INTERRUPT:
err = bma220_reset_int();
return err;
case BMA220_READ_ACCEL_X:
err = bma220_read_accel_x((signed char*)data);
if(copy_to_user((signed char*)arg,(signed char*)data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_READ_ACCEL_Y:
err = bma220_read_accel_y((signed char*)data);
if(copy_to_user((signed char*)arg,(signed char*)data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_READ_ACCEL_Z:
err = bma220_read_accel_z((signed char*)data);
if(copy_to_user((signed char*)arg,(signed char*)data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_EN_LOW:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_low(*data);
return err;
case BMA220_SET_EN_HIGH_XYZ:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_high_xyz(*data);
return err;
case BMA220_SET_LATCH_INT:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_latch_int(*data);
return err;
case BMA220_SET_LOW_HY:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_low_hy(*data);
return err;
case BMA220_SET_HIGH_HY:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_high_hy(*data);
return err;
case BMA220_READ_ACCEL_XYZ:
if(sensor_type == BMA220)
{
err = bma220_read_accel_xyz((bma220acc_t*)data);
if(copy_to_user((bma220acc_t*)arg,(bma220acc_t*)data,3)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to error\n");
#endif
return -EFAULT;
}
}else if(sensor_type == BMA023)
{
err = bma023_read_accel_xyz((bma023acc_t*)data);
//printk("[%s] read accel x = %d, y = %d, z = %d\n", __func__, ((bma023acc_t*)data)->x, ((bma023acc_t*)data)->y, ((bma023acc_t*)data)->z);
if(copy_to_user((bma023acc_t*)arg,(bma023acc_t*)data,3*sizeof(short))!=0)
{
#ifdef BMA_DEBUG
printk("copy_to error\n");
#endif
return -EFAULT;
}
}
return err;
case BMA220_GET_OFFSET_XYZ:
err = bma220_get_offset_xyz((bma220acc_t*)data);
if(copy_to_user((bma220acc_t*)arg,(bma220acc_t*)data,3)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_OFFSET_XYZ:
if(copy_from_user((bma220acc_t*)data,(bma220acc_t*)arg,3)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_offset_xyz(*(bma220acc_t *)data);
return err;
case BMA220_SET_SLEEP_EN:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_sleep_en(*data);
return err;
case BMA220_SET_SC_FILT_CONFIG:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_sc_filt_config(*data);
return err;
case BMA220_SET_SERIAL_HIGH_BW:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_serial_high_bw(*data);
return err;
case BMA220_SET_EN_ORIENT:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_orient(*data);
return err;
case BMA220_SET_ORIENT_EX:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_orient_ex(*data);
return err;
case BMA220_SET_ORIENT_BLOCKING:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_orient_blocking(*data);
return err;
case BMA220_SET_EN_TT_XYZ:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_tt_xyz(*data);
return err;
case BMA220_SET_TT_TH:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_tt_th(*data);
return err;
case BMA220_SET_TT_DUR:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_tt_dur(*data);
return err;
case BMA220_SET_TT_FILT:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_tt_filt(*data);
return err;
case BMA220_SET_EN_SLOPE_XYZ:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_slope_xyz(*data);
return err;
case BMA220_SET_EN_DATA:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_en_data(*data);
return err;
case BMA220_SET_SLOPE_TH:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_slope_th(*data);
return err;
case BMA220_SET_SLOPE_DUR:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_slope_dur(*data);
return err;
case BMA220_SET_SLOPE_FILT:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_slope_filt(*data);
return err;
case BMA220_SET_CAL_TRIGGER:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_cal_trigger(*data);
return err;
case BMA220_SET_HP_XYZ_EN:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_hp_xyz_en(*data);
return err;
case BMA220_SET_SLEEP_DUR:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_sleep_dur(*data);
return err;
case BMA220_SET_OFFSET_RESET:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_offset_reset(*data);
return err;
case BMA220_SET_CUT_OFF_SPEED:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_cut_off_speed(*data);
return err;
case BMA220_SET_CAL_MANUAL:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_cal_manual(*data);
return err;
case BMA220_SET_SBIST:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_sbist(*data);
return err;
case BMA220_SET_INTERRUPT_REGISTER:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_interrupt_register(*data);
return err;
case BMA220_SET_DIRECTION_INTERRUPT_REGISTER:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_direction_interrupt_register(*data);
return err;
case BMA220_GET_DIRECTION_STATUS_REGISTER:
err = bma220_get_direction_status_register(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_INTERRUPT_STATUS_REGISTER:
err = bma220_get_interrupt_status_register(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_ORIENTATION:
err = bma220_get_orientation(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_ORIENT_INT:
err = bma220_get_orient_int(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_CHIP_ID:
err = bma220_get_chip_id(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SC_FILT_CONFIG:
err = bma220_get_sc_filt_config(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SLEEP_EN:
err = bma220_get_sleep_en(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SERIAL_HIGH_BW:
err = bma220_get_serial_high_bw(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_LATCH_INT:
err = bma220_get_latch_int(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_DATA:
err = bma220_get_en_data(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_HIGH_XYZ:
err = bma220_get_en_high_xyz(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_HIGH_TH:
err = bma220_get_high_th(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_HIGH_HY:
err = bma220_get_high_hy(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_HIGH_DUR:
err = bma220_get_high_g_dur(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_LOW:
err = bma220_get_en_low(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_LOW_TH:
err = bma220_get_low_th(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_LOW_HY:
err = bma220_get_low_hy(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_LOW_DUR:
err = bma220_get_low_g_dur(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_ORIENT:
err = bma220_get_en_orient(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_ORIENT_EX:
err = bma220_get_orient_ex(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_ORIENT_BLOCKING:
err = bma220_get_orient_blocking(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_TT_XYZ:
err = bma220_get_en_tt_xyz(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_TT_TH:
err = bma220_get_tt_th(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_TT_DUR:
err = bma220_get_tt_dur(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_TT_FILT:
err = bma220_get_tt_filt(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_SET_TT_SAMP:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_tt_samp(*data);
return err;
case BMA220_SET_TIP_EN:
if(copy_from_user(data,(unsigned char*)arg,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_from_user error\n");
#endif
return -EFAULT;
}
err = bma220_set_tip_en(*data);
return err;
case BMA220_GET_TT_SAMP:
err = bma220_get_tt_samp(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_TIP_EN:
err = bma220_get_tip_en(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_EN_SLOPE_XYZ:
err = bma220_get_en_slope_xyz(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SLOPE_TH:
err = bma220_get_slope_th(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SLOPE_DUR:
err = bma220_get_slope_dur(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SLOPE_FILT:
err = bma220_get_slope_filt(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_HP_XYZ_EN:
err = bma220_get_hp_xyz_en(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_OFFSET_TARGET_X:
err = bma220_get_offset_target_x(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_OFFSET_TARGET_Y:
err = bma220_get_offset_target_y(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_OFFSET_TARGET_Z:
err = bma220_get_offset_target_z(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_CUT_OFF_SPEED:
err = bma220_get_cut_off_speed(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_CAL_MANUAL:
err = bma220_get_cal_manual(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_CAL_RDY:
err = bma220_get_cal_rdy(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SLEEP_DUR:
err = bma220_get_sleep_dur(data);
if(copy_to_user((unsigned char*)arg,data,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
case BMA220_GET_SENSOR_TYPE:
printk("[%s] Get Sensor Type = %d\n", __func__, sensor_type);
if(copy_to_user((char*)arg,&sensor_type,1)!=0)
{
#ifdef BMA_DEBUG
printk("copy_to_user error\n");
#endif
return -EFAULT;
}
return err;
default:
return 0;
}
}
static int bma_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int err = 0;
int tempvalue;
struct bma_data *data;
#ifdef BMA_DEBUG
printk(KERN_INFO "%s\n",__FUNCTION__);
#endif
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
{
printk(KERN_INFO "i2c_check_functionality error\n");
goto exit;
}
data = kzalloc(sizeof(struct bma_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
printk("[%s] slave addr = %x\n", __func__, client->addr);
/* read chip id */
tempvalue = 0;
#if 1//BMA220_SMBUS
tempvalue = i2c_smbus_read_word_data(client, 0x00);
#else
i2c_master_send(client, (char*)&tempvalue, 1);
i2c_master_recv(client, (char*)&tempvalue, 1);
#endif
if((tempvalue&0x0007) == 0x0002)
{
printk(KERN_INFO "Bosch Sensortec Device detected!\nBMA023 registered I2C driver!\n");
bma_client = client;
sensor_type = BMA023;
}
else
{
client->addr = BMA220_I2C_ADDR;
tempvalue = 0;
tempvalue = i2c_smbus_read_word_data(client, 0x00);
if((tempvalue&0x00FF) == 0x00dd)
{
printk(KERN_INFO "Bosch Sensortec Device detected!\nBMA220 registered I2C driver!\n");
bma_client = client;
sensor_type= BMA220;
}
else
{
printk(KERN_ERR "Bosch Sensortec Device not found, i2c error %d \n", tempvalue);
// i2c_detach_client(client);
bma_client = NULL;
err = -1;
goto kfree_exit;
}
}
i2c_set_clientdata(bma_client, data);
err = misc_register(&bma_device);
if (err) {
printk(KERN_ERR "bma accel device register failed\n");
goto kfree_exit;
}
printk(KERN_INFO "bma accel device create ok\n");
if(sensor_type == BMA220)
{
/* bma220 sensor initial */
data->bma220.bus_write = bma220_i2c_write;
data->bma220.bus_read = bma220_i2c_read;
data->bma220.delay_msec = bma220_i2c_delay;
bma220_init(&(data->bma220));
bma220_set_bandwidth(2); //bandwidth 250Hz
bma220_set_range(0); //range +/- 2G
/* register interrupt */
bma220_set_en_tt_xyz(0);
bma220_set_en_slope_xyz(0);
bma220_set_en_high_xyz(0);
bma220_set_en_low(0);
bma220_set_en_orient(0);
bma220_reset_int();
}
else if(sensor_type == BMA023)
{
data->bma023.bma023_bus_write = i2c_acc_bma023_write;
data->bma023.bma023_bus_read = i2c_acc_bma023_read;
/*call init function to set read write functions, read registers */
bma023_init( &(data->bma023) );
/* from this point everything is prepared for sensor communication */
/* set range to 2G mode, other constants:
* 4G: bma023_RANGE_4G,
* 8G: bma023_RANGE_8G */
bma023_set_range(bma023_RANGE_2G);
/* set bandwidth to 25 HZ */
bma023_set_bandwidth(bma023_BW_25HZ);
}
return 0;
// misc_deregister(&bma_device);
kfree_exit:
kfree(data);
exit:
return err;
}
