static void hci_smd_deregister_dev(struct hci_smd_data *hsmd)
{
tasklet_kill(&hs.rx_task);
if (!test_and_clear_bit(HCI_REGISTER_SET, &hsmd->flags)) {
BT_ERR("HCI device un-registered already");
return;
} else
BT_INFO("HCI device un-registration going on");
if (hsmd->hdev) {
if (hci_unregister_dev(hsmd->hdev) < 0)
BT_ERR("Can't unregister HCI device %s",
hsmd->hdev->name);
hci_free_dev(hsmd->hdev);
hsmd->hdev = NULL;
}
smd_close(hs.event_channel);
smd_close(hs.data_channel);
if (wake_lock_active(&hs.wake_lock_rx))
wake_unlock(&hs.wake_lock_rx);
if (wake_lock_active(&hs.wake_lock_tx))
wake_unlock(&hs.wake_lock_tx);
/*Destroy the timer used to monitor the Rx queue for emptiness */
if (hs.rx_q_timer.function) {
del_timer_sync(&hs.rx_q_timer);
hs.rx_q_timer.function = NULL;
hs.rx_q_timer.data = 0;
}
}
/* hci_uart_tty_close()
*
* Called when the line discipline is changed to something
* else, the tty is closed, or the tty detects a hangup.
*/
static void hci_uart_tty_close(struct tty_struct *tty)
{
struct hci_uart *hu = (void *)tty->disc_data;
BT_DBG("tty %p", tty);
/* Detach from the tty */
tty->disc_data = NULL;
if (hu) {
struct hci_dev *hdev = hu->hdev;
if (hdev)
hci_uart_close(hdev);
if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
if (hdev) {
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
hu->proto->close(hu);
}
kfree(hu);
}
}
static void btusb_disconnect(struct usb_interface *intf)
{
struct btusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev;
BT_DBG("intf %p", intf);
if (!data)
return;
hdev = data->hdev;
__hci_dev_hold(hdev);
usb_set_intfdata(data->intf, NULL);
if (data->isoc)
usb_set_intfdata(data->isoc, NULL);
hci_unregister_dev(hdev);
if (intf == data->isoc)
usb_driver_release_interface(&btusb_driver, data->intf);
else if (data->isoc)
usb_driver_release_interface(&btusb_driver, data->isoc);
__hci_dev_put(hdev);
hci_free_dev(hdev);
}
/* hci_uart_tty_close()
*
* Called when the line discipline is changed to something
* else, the tty is closed, or the tty detects a hangup.
*/
static void hci_uart_tty_close(struct tty_struct *tty)
{
struct hci_uart *hu = tty->disc_data;
struct hci_dev *hdev;
BT_DBG("tty %p", tty);
/* Detach from the tty */
tty->disc_data = NULL;
if (!hu)
return;
hdev = hu->hdev;
if (hdev)
hci_uart_close(hdev);
cancel_work_sync(&hu->write_work);
if (test_and_clear_bit(HCI_UART_PROTO_READY, &hu->flags)) {
if (hdev) {
if (test_bit(HCI_UART_REGISTERED, &hu->flags))
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
hu->proto->close(hu);
}
clear_bit(HCI_UART_PROTO_SET, &hu->flags);
kfree(hu);
}
static void __exit bt_drv_exit(void)
{
BTDRV_API_START();
/* Deallocate local resource's memory */
if (hst) {
struct hci_dev *hdev = hst->hdev;
if (hdev == NULL) {
BT_DRV_ERR("Invalid hdev memory");
kfree(hst);
} else {
hci_st_close(hdev);
if (test_and_clear_bit(BT_DRV_RUNNING, &hst->flags)) {
/* Remove HCI device (hciX) created
* in module init.
*/
hci_unregister_dev(hdev);
/* Free HCI device memory */
hci_free_dev(hdev);
}
}
}
BTDRV_API_EXIT(0);
}
int btmrvl_remove_card(struct btmrvl_private *priv)
{
struct hci_dev *hdev;
hdev = priv->btmrvl_dev.hcidev;
wake_up_interruptible(&priv->adapter->cmd_wait_q);
kthread_stop(priv->main_thread.task);
#ifdef CONFIG_DEBUG_FS
btmrvl_debugfs_remove(hdev);
#endif
hci_unregister_dev(hdev);
hci_free_dev(hdev);
priv->btmrvl_dev.hcidev = NULL;
btmrvl_free_adapter(priv);
kfree(priv);
return 0;
}
static void hci_smd_deregister_dev(struct hci_smd_data *hsmd)
{
tasklet_kill(&hs.rx_task);
if (hsmd->hdev) {
if (hci_unregister_dev(hsmd->hdev) < 0)
BT_ERR("Can't unregister HCI device %s",
hsmd->hdev->name);
hci_free_dev(hsmd->hdev);
hsmd->hdev = NULL;
}
smd_close(hs.event_channel);
smd_close(hs.data_channel);
if (wake_lock_active(&hs.wake_lock_rx))
wake_unlock(&hs.wake_lock_rx);
if (wake_lock_active(&hs.wake_lock_tx))
wake_unlock(&hs.wake_lock_tx);
/*Destroy the timer used to monitor the Rx queue for emptiness */
if (hs.rx_q_timer.function) {
del_timer_sync(&hs.rx_q_timer);
hs.rx_q_timer.function = NULL;
hs.rx_q_timer.data = 0;
}
}
static int bluecard_close(bluecard_info_t *info)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
unsigned int iobase = info->p_dev->resource[0]->start;
#else
unsigned int iobase = info->p_dev->io.BasePort1;
#endif
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
bluecard_hci_close(hdev);
clear_bit(CARD_READY, &(info->hw_state));
/* Reset card */
info->ctrl_reg = REG_CONTROL_BT_RESET | REG_CONTROL_CARD_RESET;
outb(info->ctrl_reg, iobase + REG_CONTROL);
/* Turn FPGA off */
outb(0x80, iobase + 0x30);
hci_unregister_dev(hdev);
hci_free_dev(hdev);
return 0;
}
static void btqcomsmd_remove(struct qcom_smd_device *sdev)
{
struct hci_dev *hdev = dev_get_drvdata(&sdev->dev);;
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
/* hci_uart_tty_close()
*
* Called when the line discipline is changed to something
* else, the tty is closed, or the tty detects a hangup.
*/
static void hci_uart_tty_close(struct tty_struct *tty)
{
struct hci_uart *hu = (void *)tty->disc_data;
BT_DBG("tty %p", tty);
/* Detach from the tty */
tty->disc_data = NULL;
if (hu) {
struct hci_dev *hdev = hu->hdev;
if (hdev)
hci_uart_close(hdev);
cancel_work_sync(&hu->write_work);
tasklet_kill(&hu->tty_wakeup_task);
cancel_work_sync(&hu->write_work);
if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
hu->proto->close(hu);
if (hdev) {
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
}
}
}
static int btuart_close(btuart_info_t *info)
{
unsigned long flags;
unsigned int iobase = info->p_dev->io.BasePort1;
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
btuart_hci_close(hdev);
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */
outb(0, iobase + UART_MCR);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
if (hci_unregister_dev(hdev) < 0)
BT_ERR("Can't unregister HCI device %s", hdev->name);
hci_free_dev(hdev);
return 0;
}
static int dtl1_close(dtl1_info_t *info)
{
unsigned long flags;
unsigned int iobase = info->p_dev->resource[0]->start;
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
dtl1_hci_close(hdev);
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */
outb(0, iobase + UART_MCR);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
hci_unregister_dev(hdev);
hci_free_dev(hdev);
return 0;
}
static int btuart_close(btuart_info_t *info)
{
unsigned long flags;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
unsigned int iobase = info->p_dev->resource[0]->start;
#else
unsigned int iobase = info->p_dev->io.BasePort1;
#endif
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
btuart_hci_close(hdev);
spin_lock_irqsave(&(info->lock), flags);
/* Reset UART */
outb(0, iobase + UART_MCR);
/* Turn off interrupts */
outb(0, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
if (hci_unregister_dev(hdev) < 0)
BT_ERR("Can't unregister HCI device %s", hdev->name);
hci_free_dev(hdev);
return 0;
}
/* hci_uart_tty_close()
*
* Called when the line discipline is changed to something
* else, the tty is closed, or the tty detects a hangup.
*/
static void hci_uart_tty_close(struct tty_struct *tty)
{
struct hci_uart *hu = (void *)tty->disc_data;
BT_DBG("tty %p", tty);
/* Detach from the tty */
tty->disc_data = NULL;
#ifdef CONFIG_TROUT_UART_TRANSPORT_DEBUG
if(NULL != &timer_retransmit)
{
del_timer(&timer_retransmit);
}
#endif
if (hu) {
struct hci_dev *hdev = hu->hdev;
if (hdev)
hci_uart_close(hdev);
if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
hu->proto->close(hu);
if (hdev) {
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
}
}
}
static int bluecard_close(bluecard_info_t *info)
{
unsigned int iobase = info->p_dev->io.BasePort1;
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
bluecard_hci_close(hdev);
clear_bit(CARD_READY, &(info->hw_state));
/* Reset card */
info->ctrl_reg = REG_CONTROL_BT_RESET | REG_CONTROL_CARD_RESET;
outb(info->ctrl_reg, iobase + REG_CONTROL);
/* Turn FPGA off */
outb(0x80, iobase + 0x30);
if (hci_unregister_dev(hdev) < 0)
BT_ERR("Can't unregister HCI device %s", hdev->name);
hci_free_dev(hdev);
return 0;
}
static int hci_vhci_chr_close(struct inode *inode, struct file *file)
{
struct hci_vhci_struct *hci_vhci = (struct hci_vhci_struct *) file->private_data;
if (hci_unregister_dev(&hci_vhci->hdev) < 0) {
BT_ERR("Can't unregister HCI device %s", hci_vhci->hdev.name);
}
file->private_data = NULL;
return 0;
}
int bt3c_close(bt3c_info_t *info)
{
struct hci_dev *hdev = &(info->hdev);
bt3c_hci_close(hdev);
if (hci_unregister_dev(hdev) < 0)
printk(KERN_WARNING "bt3c_cs: Can't unregister HCI device %s.\n", hdev->name);
return 0;
}
void hci_uart_unregister_device(struct hci_uart *hu)
{
struct hci_dev *hdev = hu->hdev;
hci_unregister_dev(hdev);
hci_free_dev(hdev);
cancel_work_sync(&hu->write_work);
hu->proto->close(hu);
}
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *data = file->private_data;
struct hci_dev *hdev = data->hdev;
hci_unregister_dev(hdev);
hci_free_dev(hdev);
file->private_data = NULL;
return 0;
}
void hci_uart_unregister_device(struct hci_uart *hu)
{
struct hci_dev *hdev = hu->hdev;
clear_bit(HCI_UART_PROTO_READY, &hu->flags);
hci_unregister_dev(hdev);
hci_free_dev(hdev);
cancel_work_sync(&hu->write_work);
hu->proto->close(hu);
serdev_device_close(hu->serdev);
}
static void nokia_bluetooth_serdev_remove(struct serdev_device *serdev)
{
struct nokia_bt_dev *btdev = serdev_device_get_drvdata(serdev);
struct hci_uart *hu = &btdev->hu;
struct hci_dev *hdev = hu->hdev;
cancel_work_sync(&hu->write_work);
hci_unregister_dev(hdev);
hci_free_dev(hdev);
hu->proto->close(hu);
pm_runtime_disable(&btdev->serdev->dev);
}
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *data = file->private_data;
struct hci_dev *hdev = data->hdev;
hci_unregister_dev(hdev);
hci_free_dev(hdev);
skb_queue_purge(&data->readq);
file->private_data = NULL;
kfree(data);
return 0;
}
static void bpa10x_disconnect(struct usb_interface *intf)
{
struct bpa10x_data *data = usb_get_intfdata(intf);
BT_DBG("intf %p", intf);
if (!data)
return;
usb_set_intfdata(intf, NULL);
hci_unregister_dev(data->hdev);
hci_free_dev(data->hdev);
}
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *data = file->private_data;
struct hci_dev *hdev = data->hdev;
if (hci_unregister_dev(hdev) < 0) {
BT_ERR("Can't unregister HCI device %s", hdev->name);
}
hci_free_dev(hdev);
file->private_data = NULL;
return 0;
}
int bt3c_close(bt3c_info_t *info)
{
struct hci_dev *hdev = info->hdev;
if (!hdev)
return -ENODEV;
bt3c_hci_close(hdev);
if (hci_unregister_dev(hdev) < 0)
BT_ERR("Can't unregister HCI device %s", hdev->name);
hci_free_dev(hdev);
return 0;
}
static void bfusb_disconnect(struct usb_interface *intf)
{
struct bfusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev = data->hdev;
BT_DBG("intf %p", intf);
if (!hdev)
return;
usb_set_intfdata(intf, NULL);
bfusb_close(hdev);
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *data = file->private_data;
struct hci_dev *hdev = data->hdev;
cancel_delayed_work_sync(&data->open_timeout);
if (hdev) {
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
file->private_data = NULL;
kfree(data);
return 0;
}
static void bpa10x_disconnect(struct usb_interface *intf)
{
struct bpa10x_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev = data->hdev;
BT_DBG("intf %p", intf);
if (!hdev)
return;
usb_set_intfdata(intf, NULL);
if (hci_unregister_dev(hdev) < 0)
BT_ERR("Can't unregister HCI device %s", hdev->name);
hci_free_dev(hdev);
}
static int hci_h4p_remove(struct platform_device *pdev)
{
struct hci_h4p_info *info;
info = platform_get_drvdata(pdev);
hci_h4p_hci_close(info->hdev);
free_irq(gpio_to_irq(info->host_wakeup_gpio), info);
hci_unregister_dev(info->hdev);
hci_free_dev(info->hdev);
gpio_free(info->reset_gpio);
gpio_free(info->bt_wakeup_gpio);
gpio_free(info->host_wakeup_gpio);
free_irq(info->irq, (void *) info);
kfree(info);
return 0;
}
/**
* unregisters with the bluetooth-hci(BlueZ) interface
*
* @adapter - pointer to bluetooth asset's adapter
* @return - 0 on success
*/
int bluez_deinit(PONEBOX_ADAPTER adapter)
{
struct hci_dev *hdev;
if (!(hdev = adapter->hdev))
return -EFAULT;
ONEBOX_DEBUG(ONEBOX_ZONE_INFO,
(TEXT("%s: deregistering `%s'\n"),
__func__, hdev->name));
onebox_hci_dev_hold(hdev);
hci_unregister_dev(hdev);
onebox_hci_dev_put(hdev);
hci_free_dev(hdev);
return ONEBOX_STATUS_SUCCESS;
}
