static void am_uart_start_tx(struct uart_port *port)
{
struct am_uart_port * info = &am_ports[port->line];
am_uart_t *uart = uart_addr[info->line];
// unsigned long mode;
struct uart_port * up = &info->port;
unsigned int ch;
struct circ_buf *xmit = &up->state->xmit;
unsigned long flags;
#ifdef PRINT_DEBUG
if(info->line == DEBUG_PORT_ID)
printk("%s\n", __FUNCTION__);
#endif
#ifdef CONFIG_BT_SLEEP
if(info->line == 1) // we are now at ttyS1?
bluesleep_outgoing_data();
#endif
spin_lock_irqsave(&info->wr_lock,flags);
while(!uart_circ_empty(xmit))
{
if ((readl(&uart->status) & UART_TXFULL) ==0) {
ch = xmit->buf[xmit->tail];
writel(ch, &uart->wdata);
xmit->tail = (xmit->tail+1) & (SERIAL_XMIT_SIZE - 1);
}
else
{
break;
}
}
spin_unlock_irqrestore(&info->wr_lock, flags);
}
/**
* Handles proper timer action when outgoing data is delivered to the
* HCI line discipline and wake the chip from sleep.
**/
void brcm_btsleep_wake( enum sleep_type type)
{
#ifdef LPM_BLUESLEEP
//BT_S : fix wrong lpm_param issue, [START]
printk("%s - %d\n", __func__, type);
if(type == SLEEP_BLUESLEEP)
#if defined(CONFIG_BT_MSM_SLEEP)
bluesleep_outgoing_data();
#elif defined(CONFIG_LGE_BLUETOOTH_PM)
bluetooth_pm_outgoing_data();
#endif
//BT_E : fix wrong lpm_param issue, [END]
#endif
}
static int bluesleep_write_proc_btwrite(struct file *file, const char *buffer,
unsigned long count, void *data)
{
char b;
if (count < 1)
return -EINVAL;
if (copy_from_user(&b, buffer, 1))
return -EFAULT;
/* HCI_DEV_WRITE */
if (b != '0')
bluesleep_outgoing_data();
return count;
}
static ssize_t bluesleep_write_proc_btwrite(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
char b;
if (count < 1)
return -EINVAL;
if (copy_from_user(&b, buffer, 1))
return -EFAULT;
/* HCI_DEV_WRITE */
if (b != '0')
bluesleep_outgoing_data();
return count;
}
/**
*Wake up BT chipset before Tx.
*/
static ssize_t bluesleep_ap_wakeup_bt(struct file *filp, const char __user *buffer, size_t len, loff_t *off)
{
char buf;
unsigned long irq_flags;
if (len < 1 || (NULL == g_bs_data))
return -EINVAL;
pr_info("%s, bluesleep_ap_wakeup_bt \n", __func__);
if (copy_from_user(&buf, buffer, sizeof(buf)))
return -EFAULT;
if (buf == '0') {
pr_info("%s, ap_wakeup_bt 0 \n", __func__);
spin_lock_irqsave(&g_bs_data->rw_lock, irq_flags);
clear_bit(BT_TXDATA, &g_bs_data->flags);
spin_unlock_irqrestore(&g_bs_data->rw_lock, irq_flags);
} else
bluesleep_outgoing_data(g_bs_data);
return len;
}
