/* Close protocol */
static int brcm_close(struct hci_uart *hu)
{
struct brcm_struct *brcm = hu->priv;
BT_DBG("hu %p", hu);
skb_queue_purge(&brcm->tx_wait_q);
skb_queue_purge(&brcm->txq);
brcm->hcibrcm_state = HCIBRCM_ASLEEP;
del_timer(&sleep_timer);
deassert_bt_wake(brcm->btwake_gpio, brcm->hostwake_gpio);
__brcm_bcm_serial_clock_request_off(hu);
if (brcm->rx_skb)
kfree_skb(brcm->rx_skb);
if (hw_struct) {
bcm_bzhw_stop(hw_struct);
hw_struct = NULL;
kfree(hw_struct);
}
hu->priv = NULL;
kfree(brcm);
return 0;
}
//
// timeout handler
//
void sleep_timer_function(unsigned long data)
{
struct brcm_struct *lbrcm = (struct brcm_struct *)data;
if (lbrcm->is_there_activity)
{
lbrcm->inactive_period = 0;
lbrcm->is_there_activity = 0;
}
else
{
if (lbrcm->hcibrcm_state != HCIBRCM_ASLEEP)
{
lbrcm->inactive_period += TIMER_PERIOD;
if (lbrcm->inactive_period >= HOST_CONTROLLER_IDLE_TSH)
{
// deassert BT_WAKE signal
BT_DBG("Deassert wake signal, moves to ASLEEP");
lbrcm->hcibrcm_state = HCIBRCM_ASLEEP;
lbrcm->inactive_period = 0;
deassert_bt_wake();
}
}
}
mod_timer(&sleep_timer, jiffies + TIMER_PERIOD*HZ/1000);
}
/**
* timeout handler
*/
void sleep_timer_function(unsigned long data)
{
struct brcm_struct *lbrcm = (struct brcm_struct *)data;
if (lbrcm->is_there_activity) {
lbrcm->inactive_period = 0;
lbrcm->is_there_activity = 0;
} else {
/*if (lbrcm->hcibrcm_state != HCIBRCM_ASLEEP) {*/
lbrcm->inactive_period += TIMER_PERIOD;
if (lbrcm->inactive_period >= HOST_CONTROLLER_IDLE_TSH) {
/* deassert BT_WAKE signal*/
BT_DBG("Deassert wake signal, moves to ASLEEP");
lbrcm->hcibrcm_state = HCIBRCM_ASLEEP;
lbrcm->inactive_period = 0;
deassert_bt_wake(lbrcm->btwake_gpio,
lbrcm->hostwake_gpio);
}
/*}*/
}
if (lbrcm->hcibrcm_state != HCIBRCM_ASLEEP) {
mod_timer(&sleep_timer,
jiffies + msecs_to_jiffies(TIMER_PERIOD));
}
}
