Differential D16402 Diff 45753 sys/dev/uart/uart_bus_puc.c

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sys/dev/uart/uart_bus_puc.c

Show All 40 Lines
#include <machine/resource.h>		#include <machine/resource.h>

#include <dev/puc/puc_bus.h>		#include <dev/puc/puc_bus.h>

#include <dev/uart/uart.h>		#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>		#include <dev/uart/uart_bus.h>

static int uart_puc_probe(device_t dev);		static int uart_puc_probe(device_t dev);
		static void uart_puc_adjust_rclk(device_t dev, void *bptr);

static device_method_t uart_puc_methods[] = {		static device_method_t uart_puc_methods[] = {
/* Device interface */		/* Device interface */
DEVMETHOD(device_probe, uart_puc_probe),		DEVMETHOD(device_probe, uart_puc_probe),
DEVMETHOD(device_attach, uart_bus_attach),		DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),		DEVMETHOD(device_detach, uart_bus_detach),
/* Serdev interface */		/* Serdev interface */
DEVMETHOD(serdev_ihand, uart_bus_ihand),		DEVMETHOD(serdev_ihand, uart_bus_ihand),
DEVMETHOD(serdev_ipend, uart_bus_ipend),		DEVMETHOD(serdev_ipend, uart_bus_ipend),
		DEVMETHOD(serdev_adjust_rclk, uart_puc_adjust_rclk),
{ 0, 0 }		{ 0, 0 }
};		};

static driver_t uart_puc_driver = {		static driver_t uart_puc_driver = {
uart_driver_name,		uart_driver_name,
uart_puc_methods,		uart_puc_methods,
sizeof(struct uart_softc),		sizeof(struct uart_softc),
};		};
Show All 13 Lines	uart_puc_probe(device_t dev)
if (type != PUC_TYPE_SERIAL)		if (type != PUC_TYPE_SERIAL)
return (ENXIO);		return (ENXIO);

sc->sc_class = &uart_ns8250_class;		sc->sc_class = &uart_ns8250_class;

if (BUS_READ_IVAR(parent, dev, PUC_IVAR_CLOCK, &rclk))		if (BUS_READ_IVAR(parent, dev, PUC_IVAR_CLOCK, &rclk))
rclk = 0;		rclk = 0;
return (uart_bus_probe(dev, 0, 0, rclk, 0, 0));		return (uart_bus_probe(dev, 0, 0, rclk, 0, 0));
		}

		static void
		uart_puc_adjust_rclk(device_t dev, void *bptr)
		{
		struct baud_fraction *baud = bptr;
		struct uart_softc *sc = device_get_softc(dev);
		device_t parent;
		uintptr_t rclk;

		parent = device_get_parent(sc->sc_dev);
		BUS_WRITE_IVAR(parent, sc->sc_dev, PUC_IVAR_TARGETBAUD, (uintptr_t)baud);
		if (BUS_READ_IVAR(parent, sc->sc_dev, PUC_IVAR_CLOCK, &rclk) == 0)
		sc->sc_bas.rclk = rclk;
}		}

DRIVER_MODULE(uart, puc, uart_puc_driver, uart_devclass, 0, 0);		DRIVER_MODULE(uart, puc, uart_puc_driver, uart_devclass, 0, 0);