diff options
Diffstat (limited to 'sys/arm/xilinx/uart_dev_cdnc.c')
| -rw-r--r-- | sys/arm/xilinx/uart_dev_cdnc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sys/arm/xilinx/uart_dev_cdnc.c b/sys/arm/xilinx/uart_dev_cdnc.c index a008853..6224503 100644 --- a/sys/arm/xilinx/uart_dev_cdnc.c +++ b/sys/arm/xilinx/uart_dev_cdnc.c @@ -398,6 +398,8 @@ static int cdnc_uart_bus_param(struct uart_softc *, int, int, int, int); static int cdnc_uart_bus_receive(struct uart_softc *); static int cdnc_uart_bus_setsig(struct uart_softc *, int); static int cdnc_uart_bus_transmit(struct uart_softc *); +static void cdnc_uart_bus_grab(struct uart_softc *); +static void cdnc_uart_bus_ungrab(struct uart_softc *); static kobj_method_t cdnc_uart_bus_methods[] = { KOBJMETHOD(uart_probe, cdnc_uart_bus_probe), @@ -410,6 +412,8 @@ static kobj_method_t cdnc_uart_bus_methods[] = { KOBJMETHOD(uart_receive, cdnc_uart_bus_receive), KOBJMETHOD(uart_setsig, cdnc_uart_bus_setsig), KOBJMETHOD(uart_transmit, cdnc_uart_bus_transmit), + KOBJMETHOD(uart_grab, cdnc_uart_bus_grab), + KOBJMETHOD(uart_ungrab, cdnc_uart_bus_ungrab), KOBJMETHOD_END }; @@ -675,6 +679,27 @@ cdnc_uart_bus_ioctl(struct uart_softc *sc, int request, intptr_t data) return (error); } +static void +cdnc_uart_bus_grab(struct uart_softc *sc) +{ + + /* Enable interrupts. */ + WR4(&sc->sc_bas, CDNC_UART_IEN_REG, + CDNC_UART_INT_TXOVR | CDNC_UART_INT_RXOVR | + CDNC_UART_INT_DMSI); +} + +static void +cdnc_uart_bus_ungrab(struct uart_softc *sc) +{ + + /* Enable interrupts. */ + WR4(&sc->sc_bas, CDNC_UART_IEN_REG, + CDNC_UART_INT_RXTRIG | CDNC_UART_INT_RXTMOUT | + CDNC_UART_INT_TXOVR | CDNC_UART_INT_RXOVR | + CDNC_UART_INT_DMSI); +} + struct uart_class uart_cdnc_class = { "cdnc_uart", cdnc_uart_bus_methods, |
