diff options
Diffstat (limited to 'sys/mips/atheros/uart_dev_ar933x.c')
| -rw-r--r-- | sys/mips/atheros/uart_dev_ar933x.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sys/mips/atheros/uart_dev_ar933x.c b/sys/mips/atheros/uart_dev_ar933x.c index 30f05ba..f719805 100644 --- a/sys/mips/atheros/uart_dev_ar933x.c +++ b/sys/mips/atheros/uart_dev_ar933x.c @@ -325,6 +325,8 @@ static int ar933x_bus_probe(struct uart_softc *); static int ar933x_bus_receive(struct uart_softc *); static int ar933x_bus_setsig(struct uart_softc *, int); static int ar933x_bus_transmit(struct uart_softc *); +static void ar933x_bus_grab(struct uart_softc *); +static void ar933x_bus_ungrab(struct uart_softc *); static kobj_method_t ar933x_methods[] = { KOBJMETHOD(uart_attach, ar933x_bus_attach), @@ -338,6 +340,8 @@ static kobj_method_t ar933x_methods[] = { KOBJMETHOD(uart_receive, ar933x_bus_receive), KOBJMETHOD(uart_setsig, ar933x_bus_setsig), KOBJMETHOD(uart_transmit, ar933x_bus_transmit), + KOBJMETHOD(uart_grab, ar933x_bus_grab), + KOBJMETHOD(uart_ungrab, ar933x_bus_ungrab), { 0, 0 } }; @@ -752,3 +756,31 @@ ar933x_bus_transmit(struct uart_softc *sc) return (0); } + +static void +ar933x_bus_grab(struct uart_softc *sc) +{ + struct uart_bas *bas = &sc->sc_bas; + uint32_t reg; + + /* Disable the host interrupt now */ + uart_lock(sc->sc_hwmtx); + reg = ar933x_getreg(bas, AR933X_UART_CS_REG); + reg &= ~AR933X_UART_CS_HOST_INT_EN; + ar933x_setreg(bas, AR933X_UART_CS_REG, reg); + uart_unlock(sc->sc_hwmtx); +} + +static void +ar933x_bus_ungrab(struct uart_softc *sc) +{ + struct uart_bas *bas = &sc->sc_bas; + uint32_t reg; + + /* Enable the host interrupt now */ + uart_lock(sc->sc_hwmtx); + reg = ar933x_getreg(bas, AR933X_UART_CS_REG); + reg |= AR933X_UART_CS_HOST_INT_EN; + ar933x_setreg(bas, AR933X_UART_CS_REG, reg); + uart_unlock(sc->sc_hwmtx); +} |
