static int AMI304_SetMode(int newmode)
{
int mode = 0;
read_lock(&ami304_data.lock);
mode = ami304_data.mode;
read_unlock(&ami304_data.lock);
if (mode == newmode)
return 0;
return AMI304_Init(newmode);
}
static int ami304_resume(struct device *device)
{
struct ecom_platform_data* ecom_pdata;
ecom_pdata = ami304_i2c_client->dev.platform_data;
if (AMI304_DEBUG_FUNC_TRACE & ami304_debug_mask)
AMID("AMI304 resume....!\n");
ecom_pdata->power(1);
AMI304_Init(ami304_data.mode);
return 0;
}
/**
* All the device spefic initializations happen here.
*/
static NvS32 __init ami304_probe(struct platform_device *pdev)
{
struct i2c_client *new_client = ami304_i2c_client;
struct tegra_compass_device_data *compass = NULL;
struct input_dev *input_dev = NULL;
struct device *dev = &pdev->dev;
NvS32 err;
#if DEBUG_AMI304
printk("[%s:%d] Compass Sensor \n", __FUNCTION__, __LINE__);
#endif
compass = kzalloc(sizeof(*compass), GFP_KERNEL);
if (compass == NULL) {
err = -ENOMEM;
pr_err("ami304_probe: Failed to memory\n");
goto allocate_dev_fail;
}
compass_dev = compass;
input_dev = input_allocate_device();
if (input_dev == NULL) {
err = -ENOMEM;
pr_err("tegra_com_ami304_probe: Failed to allocate input device\n");
goto allocate_dev_fail;
}
compass_dev->input_dev = input_dev;
err = open_def_odm_compass();
if (!err) {
pr_err("open_def_odm_comp: Failed \n");
goto exit_alloc_data_failed;
}
msleep(1);
// mdelay(50); //to waiting time(50ms) from PowerOFF to Stand-by
//On soft reset
AMI304_Reset_Init();
AMI304_Init(AMI304_FORCE_MODE); // default is Force State
#if DEBUG_AMI304
printk("[%s:%d] Compass Sensor: AMI304 registered driver! \n", __FUNCTION__, __LINE__);
#endif
err = misc_register(&ami304_device);
if (err) {
printk(KERN_ERR
"ami304_device register failed\n");
goto exit_misc_device_register_failed;
}
#if 1
platform_set_drvdata(pdev, compass);
set_bit(EV_ABS, compass_dev->input_dev->evbit);
/* yaw */
input_set_abs_params(compass_dev->input_dev, ABS_RX, 0, 360, 0, 0);
/* pitch */
input_set_abs_params(compass_dev->input_dev, ABS_RY, -180, 180, 0, 0);
/* roll */
input_set_abs_params(compass_dev->input_dev, ABS_RZ, -90, 90, 0, 0);
/* status of magnetic sensor */
input_set_abs_params(compass_dev->input_dev, ABS_RUDDER, 0, 5, 0, 0);
/* x-axis acceleration */
input_set_abs_params(compass_dev->input_dev, ABS_X, -2000, 2000, 0, 0);
/* y-axis acceleration */
input_set_abs_params(compass_dev->input_dev, ABS_Y, -2000, 2000, 0, 0);
/* z-axis acceleration */
input_set_abs_params(compass_dev->input_dev, ABS_Z, -2000, 2000, 0, 0);
/* x-axis of raw magnetic vector */
//input_set_abs_params(compass_dev->input_dev, ABS_HAT0X, -3000, 3000, 0, 0);
/* y-axis of raw magnetic vector */
//input_set_abs_params(compass_dev->input_dev, ABS_HAT0Y, -3000, 3000, 0, 0);
/* z-axis of raw magnetic vector */
//input_set_abs_params(compass_dev->input_dev, ABS_BRAKE, -3000, 3000, 0, 0);
/* status of acceleration sensor */
input_set_abs_params(compass_dev->input_dev, ABS_WHEEL, 0, 5, 0, 0);
#if DEBUG_AMI304
printk("[%s:%d] Compass Sensor \n", __FUNCTION__, __LINE__);
#endif
compass_dev->input_dev->name = "Acompass";
err = input_register_device(input_dev);
if (err) {
pr_err("tegra_compass_probe: Unable to register %s\
input device\n", input_dev->name);
goto exit_input_register_device_failed;
}
err = sysfs_create_group(&dev->kobj, &ami304_attribute_group);
#else
platform_set_drvdata(pdev, compass);
input_dev->name = "accelerometer_tegra";
err = input_register_device(input_dev);
if (err) {
pr_err("tegra_compass_probe: Unable to register %s\
input device\n", input_dev->name);
goto input_register_device_failed;
}
err = add_sysfs_entry();
err = sysfs_create_group(&compass_dev->input_dev, &ami304_attribute_group);
if (err)
printk("goto err1;\n");
#endif
err = misc_register(&ami304daemon_device);
if (err) {
printk(KERN_ERR
"ami304daemon_device register failed\n");
goto exit_misc_device_register_failed;
}
err = misc_register(&ami304hal_device);
if (err) {
printk(KERN_ERR
"ami304hal_device register failed\n");
goto exit_misc_device_register_failed;
}
#ifdef CONFIG_HAS_EARLYSUSPEND // wkkim : temporary early suspend apply
early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
early_suspend.suspend = compass_early_suspend;
early_suspend.resume = compass_late_resume;
register_early_suspend(&early_suspend);
#endif
return 0;
exit_input_register_device_failed:
input_free_device(compass_dev->input_dev);
exit_misc_device_register_failed:
//exit_kfree:
kfree(compass_dev);
allocate_dev_fail:
exit_input_dev_alloc_failed:
exit_alloc_data_failed:
close_odm_compass();
input_free_device(input_dev);
kfree(compass);
compass = 0;
err = -ENOMEM;
exit:
return err;
}
static int ami304_ioctl(struct inode *inode, struct file *file, unsigned int cmd,unsigned long arg)
{
char strbuf[AMI304_BUFSIZE];
int controlbuf[10];
void __user *data;
int retval=0;
int mode=0;
#if DEBUG_AMI304
printk(KERN_ERR "ami304 - %s \n",__FUNCTION__);
#endif
//check the authority is root or not
if (!capable(CAP_SYS_ADMIN)) {
retval = -EPERM;
goto err_out;
}
switch (cmd) {
case AMI304_IOCTL_INIT:
read_lock(&ami304_data.lock);
mode = ami304_data.mode;
read_unlock(&ami304_data.lock);
AMI304_Init(mode);
break;
case AMI304_IOCTL_READ_CHIPINFO:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadChipInfo(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf) + 1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadSensorData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf) + 1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_POSTUREDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadPostureData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf) + 1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CALIDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadCaliData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf) + 1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CONTROL:
read_lock(&ami304mid_data.ctrllock);
memcpy(controlbuf, &ami304mid_data.controldata[0], sizeof(controlbuf));
read_unlock(&ami304mid_data.ctrllock);
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_to_user(data, controlbuf, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_SET_CONTROL:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(controlbuf, data, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
write_lock(&ami304mid_data.ctrllock);
memcpy(&ami304mid_data.controldata[0], controlbuf, sizeof(controlbuf));
write_unlock(&ami304mid_data.ctrllock);
break;
case AMI304_IOCTL_SET_MODE:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(&mode, data, sizeof(mode))) {
retval = -EFAULT;
goto err_out;
}
AMI304_SetMode(mode);
break;
default:
printk(KERN_ERR "%s not supported = 0x%04x", __FUNCTION__, cmd);
retval = -ENOIOCTLCMD;
break;
}
err_out:
return retval;
}
static int __init ami304_probe(struct i2c_client *client, const struct i2c_device_id * devid)
{
int err = 0;
struct ami304_i2c_data *data;
struct ecom_platform_data* ecom_pdata;
if (AMI304_DEBUG_FUNC_TRACE & ami304_debug_mask)
AMID("motion start....!\n");
if(!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
AMIE("adapter can NOT support I2C_FUNC_I2C.\n");
return -ENODEV;
}
if (!(data = kmalloc(sizeof(struct ami304_i2c_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
memset(data, 0, sizeof(struct ami304_i2c_data));
i2c_set_clientdata(client, data);
ami304_i2c_client = client;
ecom_pdata = ami304_i2c_client->dev.platform_data;
ecom_pdata->power(1);
AMI304_Init(AMI304_FORCE_MODE); // default is Force State
atomic_set(&o_status, 0);
atomic_set(&m_status, 0);
atomic_set(&a_status, 0);
#if defined(CONFIG_HAS_EARLYSUSPEND)
ami304_sensor_early_suspend.suspend = ami304_early_suspend;
ami304_sensor_early_suspend.resume = ami304_late_resume;
register_early_suspend(&ami304_sensor_early_suspend);
atomic_set(&ami304_report_enabled, 1);
#endif
data->input_dev = input_allocate_device();
if (!data->input_dev) {
err = -ENOMEM;
AMIE("ami304_i2c_detect: Failed to allocate input device\n");
goto exit_input_dev_alloc_failed;
}
set_bit(EV_ABS, data->input_dev->evbit);
/* yaw */
input_set_abs_params(data->input_dev, ABS_RX, 0, 360, 0, 0);
/* pitch */
input_set_abs_params(data->input_dev, ABS_RY, -180, 180, 0, 0);
/* roll */
input_set_abs_params(data->input_dev, ABS_RZ, -90, 90, 0, 0);
/* status of magnetic sensor */
input_set_abs_params(data->input_dev, ABS_RUDDER, 0, 5, 0, 0);
/* x-axis acceleration */
input_set_abs_params(data->input_dev, ABS_X, -2000, 2000, 0, 0);
/* y-axis acceleration */
input_set_abs_params(data->input_dev, ABS_Y, -2000, 2000, 0, 0);
/* z-axis acceleration */
input_set_abs_params(data->input_dev, ABS_Z, -2000, 2000, 0, 0);
/* x-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_HAT0X, -3000, 3000, 0, 0);
/* y-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_HAT0Y, -3000, 3000, 0, 0);
/* z-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_BRAKE, -3000, 3000, 0, 0);
/* status of acceleration sensor */
input_set_abs_params(data->input_dev, ABS_WHEEL, 0, 5, 0, 0);
data->input_dev->name = "Acompass";
err = input_register_device(data->input_dev);
if (err) {
AMIE("ami304_i2c_detect: Unable to register input device: %s\n",
data->input_dev->name);
goto exit_input_register_device_failed;
}
if (AMI304_DEBUG_FUNC_TRACE & ami304_debug_mask)
AMID("register input device successfully!!!\n");
err = misc_register(&ami304_device);
if (err) {
AMIE("ami304_device register failed\n");
goto exit_misc_device_register_failed;
}
err = device_create_file(&client->dev, &dev_attr_chipinfo);
err = device_create_file(&client->dev, &dev_attr_sensordata);
err = device_create_file(&client->dev, &dev_attr_posturedata);
err = device_create_file(&client->dev, &dev_attr_calidata);
err = device_create_file(&client->dev, &dev_attr_midcontrol);
err = device_create_file(&client->dev, &dev_attr_mode);
/* Test mode attribute */
err = device_create_file(&client->dev, &dev_attr_pitch);
err = device_create_file(&client->dev, &dev_attr_roll);
err = misc_register(&ami304daemon_device);
if (err) {
AMIE("ami304daemon_device register failed\n");
goto exit_misc_device_register_failed;
}
err = misc_register(&ami304hal_device);
if (err) {
AMIE("ami304hal_device register failed\n");
goto exit_misc_device_register_failed;
}
return 0;
exit_misc_device_register_failed:
exit_input_register_device_failed:
input_free_device(data->input_dev);
exit_input_dev_alloc_failed:
kfree(data);
exit:
return err;
}
static int ami304_ioctl(struct inode *inode, struct file *file, unsigned int cmd,unsigned long arg)
{
char strbuf[AMI304_BUFSIZE];
int controlbuf[10];
void __user *data;
int retval=0;
int mode=0;
//LGE_CHANGE_S, [[email protected]], 2010-12-31, <Block Root Authorization Check>
//check the authority is root or not
// if(!capable(CAP_SYS_ADMIN)) {
// retval = -EPERM;
// goto err_out;
// }
//LGE_CHANGE_E, [[email protected]], 2010-12-31, <Block Root Authorization Check>
switch (cmd) {
case AMI304_IOCTL_INIT:
read_lock(&ami304_data.lock);
mode = ami304_data.mode;
read_unlock(&ami304_data.lock);
AMI304_Init(mode);
break;
case AMI304_IOCTL_READ_CHIPINFO:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadChipInfo(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadSensorData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_POSTUREDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadPostureData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CALIDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadCaliData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CONTROL:
read_lock(&ami304mid_data.ctrllock);
memcpy(controlbuf, &ami304mid_data.controldata[0], sizeof(controlbuf));
read_unlock(&ami304mid_data.ctrllock);
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_to_user(data, controlbuf, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_SET_CONTROL:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(controlbuf, data, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
write_lock(&ami304mid_data.ctrllock);
memcpy(&ami304mid_data.controldata[0], controlbuf, sizeof(controlbuf));
write_unlock(&ami304mid_data.ctrllock);
break;
case AMI304_IOCTL_SET_MODE:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(&mode, data, sizeof(mode))) {
retval = -EFAULT;
goto err_out;
}
AMI304_SetMode(mode);
break;
default:
if (AMI304_DEBUG_USER_ERROR & ami304_debug_mask)
AMIE("not supported command= 0x%04x\n", cmd);
retval = -ENOIOCTLCMD;
break;
}
err_out:
return retval;
}
static int ami304_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct i2c_client *new_client;
struct ami304_i2c_data *data;
int err = 0;
printk(KERN_INFO "\n\nEnter ami304_i2c_detect!!\n");
if (!(data = kmalloc(sizeof(struct ami304_i2c_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
memset(data, 0, sizeof(struct ami304_i2c_data));
new_client = client;
i2c_set_clientdata(new_client, data);
new_client->flags = 0;
strlcpy(new_client->name, "ami304_i2c", I2C_NAME_SIZE);
data->client = new_client;
g_ami304_data = data;
AMI304_Init(AMI304_FORCE_MODE); // default is Force State
printk(KERN_INFO "AMI304 registered I2C driver!\n");
data->input_dev = input_allocate_device();
if (!data->input_dev) {
err = -ENOMEM;
printk(KERN_ERR
"ami304_i2c_detect: Failed to allocate input device\n");
goto exit_input_dev_alloc_failed;
}
set_bit(EV_ABS, data->input_dev->evbit);
/* yaw */
input_set_abs_params(data->input_dev, ABS_RX, 0, 360, 0, 0);
/* pitch */
input_set_abs_params(data->input_dev, ABS_RY, -180, 180, 0, 0);
/* roll */
input_set_abs_params(data->input_dev, ABS_RZ, -90, 90, 0, 0);
/* status of magnetic sensor */
input_set_abs_params(data->input_dev, ABS_RUDDER, 0, 5, 0, 0);
/* x-axis acceleration */
input_set_abs_params(data->input_dev, ABS_X, -2000, 2000, 0, 0);
/* y-axis acceleration */
input_set_abs_params(data->input_dev, ABS_Y, -2000, 2000, 0, 0);
/* z-axis acceleration */
input_set_abs_params(data->input_dev, ABS_Z, -2000, 2000, 0, 0);
/* x-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_HAT0X, -3000, 3000, 0, 0);
/* y-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_HAT0Y, -3000, 3000, 0, 0);
/* z-axis of raw magnetic vector */
input_set_abs_params(data->input_dev, ABS_BRAKE, -3000, 3000, 0, 0);
/* status of acceleration sensor */
input_set_abs_params(data->input_dev, ABS_WHEEL, 0, 5, 0, 0);
data->input_dev->name = "Acompass";
err = input_register_device(data->input_dev);
if (err) {
printk(KERN_ERR
"ami304_i2c_detect: Unable to register input device: %s\n",
data->input_dev->name);
goto exit_input_register_device_failed;
}
printk(KERN_ERR
"register input device successfully!!!\n");
err = misc_register(&ami304_device);
if (err) {
printk(KERN_ERR
"ami304_device register failed\n");
goto exit_misc_device_register_failed;
}
err = device_create_file(&new_client->dev, &dev_attr_chipinfo);
err = device_create_file(&new_client->dev, &dev_attr_sensordata);
err = device_create_file(&new_client->dev, &dev_attr_posturedata);
err = device_create_file(&new_client->dev, &dev_attr_calidata);
err = device_create_file(&new_client->dev, &dev_attr_midcontrol);
err = device_create_file(&new_client->dev, &dev_attr_mode);
err = misc_register(&ami304daemon_device);
if (err) {
printk(KERN_ERR
"ami304daemon_device register failed\n");
goto exit_misc_device_register_failed;
}
err = misc_register(&ami304hal_device);
if (err) {
printk(KERN_ERR
"ami304hal_device register failed\n");
goto exit_misc_device_register_failed;
}
return 0;
exit_misc_device_register_failed:
exit_input_register_device_failed:
input_free_device(data->input_dev);
exit_input_dev_alloc_failed:
exit_alloc_data_failed:
kfree(data);
g_ami304_data = NULL;
exit:
return err;
}
static int ami304_ioctl(struct inode *inode, struct file *file, unsigned int cmd,unsigned long arg)
{
char strbuf[AMI304_BUFSIZE];
int controlbuf[10];
void __user *data;
int retval=0;
int mode=0;
switch (cmd) {
case AMI304_IOCTL_INIT:
read_lock(&ami304_data.lock);
mode = ami304_data.mode;
read_unlock(&ami304_data.lock);
AMI304_Init(mode);
break;
case AMI304_IOCTL_READ_CHIPINFO:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadChipInfo(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadSensorData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_POSTUREDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadPostureData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CALIDATA:
data = (void __user *) arg;
if (data == NULL)
break;
AMI304_ReadCaliData(strbuf, AMI304_BUFSIZE);
if (copy_to_user(data, strbuf, strlen(strbuf)+1)) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_READ_CONTROL:
read_lock(&ami304mid_data.ctrllock);
memcpy(controlbuf, &ami304mid_data.controldata[0], sizeof(controlbuf));
read_unlock(&ami304mid_data.ctrllock);
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_to_user(data, controlbuf, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
break;
case AMI304_IOCTL_SET_CONTROL:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(controlbuf, data, sizeof(controlbuf))) {
retval = -EFAULT;
goto err_out;
}
write_lock(&ami304mid_data.ctrllock);
memcpy(&ami304mid_data.controldata[0], controlbuf, sizeof(controlbuf));
write_unlock(&ami304mid_data.ctrllock);
break;
case AMI304_IOCTL_SET_MODE:
data = (void __user *) arg;
if (data == NULL)
break;
if (copy_from_user(&mode, data, sizeof(mode))) {
retval = -EFAULT;
goto err_out;
}
AMI304_SetMode(mode);
break;
default:
if (AMI304_DEBUG_USER_ERROR & ami304_debug_mask)
AMIE("not supported command= 0x%04x\n", cmd);
retval = -ENOIOCTLCMD;
break;
}
err_out:
return retval;
}
