static int s3c_serial_startup(struct uart_port *port)
{
struct s3c_uart_port *ourport = to_ourport(port);
unsigned long flags;
int ret;
dbg("s3c_serial_startup: port=%p (%08lx,%p)\n",
port->mapbase, port->membase);
local_irq_save(flags);
rx_enabled(port) = 1;
tx_enabled(port) = 1;
#ifdef UART_HAS_INTMSK
uart_enable_irq(port, UART_TX_INT | UART_RX_INT);
ret = request_irq(UART_IRQ(port), s3c_serial_interrupt, 0,
s3c_serial_portname(port), ourport);
if (ret != 0) {
printk(KERN_ERR "cannot get irq %d\n", UART_IRQ(port));
return ret;
}
#else
ret = request_irq(RX_IRQ(port),
s3c_serial_rx_chars, 0,
s3c_serial_portname(port), ourport);
if (ret != 0) {
printk(KERN_ERR "cannot get irq %d\n", RX_IRQ(port));
return ret;
}
ret = request_irq(TX_IRQ(port),
s3c_serial_tx_chars, 0,
s3c_serial_portname(port), ourport);
if (ret) {
printk(KERN_ERR "cannot get irq %d\n", TX_IRQ(port));
s3c_serial_shutdown(port);
local_irq_restore(flags);
return ret;
}
#endif
ourport->rx_claimed = 1;
ourport->tx_claimed = 1;
dbg("s3c_serial_startup ok\n");
/* the port reset code should have done the correct
* register setup for the port controls */
local_irq_restore(flags);
return ret;
}
static void s3c_serial_shutdown(struct uart_port *port)
{
struct s3c_uart_port *ourport = to_ourport(port);
#ifdef UART_HAS_INTMSK
if (ourport->tx_claimed || ourport->rx_claimed) {
free_irq(UART_IRQ(port), ourport);
ourport->tx_claimed = 0;
ourport->rx_claimed = 0;
tx_enabled(port) = 0;
rx_enabled(port) = 0;
}
#else
if (ourport->tx_claimed) {
free_irq(TX_IRQ(port), ourport);
tx_enabled(port) = 0;
ourport->tx_claimed = 0;
}
if (ourport->rx_claimed) {
free_irq(RX_IRQ(port), ourport);
ourport->rx_claimed = 0;
rx_enabled(port) = 0;
}
#endif
}
static int imapx200_serial_startup(struct uart_port *port)
{
struct imapx200_uart_port *ourport = to_ourport(port);
int ret;
unsigned long flags;
dbg("imapx200_serial_startup: port=%p (%08lx,%p)\n",
port->mapbase, port->membase);
// local_irq_save(flags);
rx_enabled(port) = 1;
// tx_enabled(port) = 1;
uart_enable_irq(port, UART_RX_INT);
uart_enable_irq(port, UART_ERR_INT);
// uart_enable_irq(port, UART_THRE_INT);
ret = request_irq(UART_IRQ(port), imapx200_serial_interrupt, IRQF_DISABLED,
imapx200_serial_portname(port), ourport);
if (ret != 0)
{
printk(KERN_ERR "cannot get irq %d\n", UART_IRQ(port));
goto err;
}
ourport->tx_claimed = 1;
ourport->rx_claimed = 1;
dbg("imapx200_serial_startup ok\n");
/* the port reset code should have done the correct
* register setup for the port controls */
// local_irq_restore(flags);
return ret;
err:
imapx200_serial_shutdown(port);
return ret;
}
static void imapx200_serial_shutdown(struct uart_port *port)
{
struct imapx200_uart_port *ourport = to_ourport(port);
if (ourport->tx_claimed || ourport->rx_claimed)
{
free_irq(UART_IRQ(port), ourport);
ourport->tx_claimed = 0;
ourport->rx_claimed = 0;
tx_enabled(port) = 0;
rx_enabled(port) = 0;
}
}
void UART7IntHandler(){ UART_IRQ(&_uart[7]); }
void UART6IntHandler(){ UART_IRQ(&_uart[6]); }
void UART5IntHandler(){ UART_IRQ(&_uart[5]); }
void UART4IntHandler(){ UART_IRQ(&_uart[4]); }
void UART3IntHandler(){ UART_IRQ(&_uart[3]); }
void UART2IntHandler(){ UART_IRQ(&_uart[2]); }
void UART1IntHandler(){ UART_IRQ(&_uart[1]); }
void UART0IntHandler(){ UART_IRQ(&_uart[0]); }
