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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/mlx/@/amd64/compile/hs32/modules/usr/src/sys/modules/geom/geom_label/@/dev/uart/uart_bus_puc.c |
/*-
* Copyright (c) 2006 Marcel Moolenaar. All rights reserved.
* Copyright (c) 2002 JF Hay. All rights reserved.
* Copyright (c) 2001 M. Warner Losh. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/uart/uart_bus_puc.c 158124 2006-04-28 21:21:53Z marcel $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/puc/puc_bus.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
static int uart_puc_probe(device_t dev);
static device_method_t uart_puc_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uart_puc_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
/* Serdev interface */
DEVMETHOD(serdev_ihand, uart_bus_ihand),
DEVMETHOD(serdev_ipend, uart_bus_ipend),
{ 0, 0 }
};
static driver_t uart_puc_driver = {
uart_driver_name,
uart_puc_methods,
sizeof(struct uart_softc),
};
static int
uart_puc_probe(device_t dev)
{
device_t parent;
struct uart_softc *sc;
uintptr_t rclk, type;
parent = device_get_parent(dev);
sc = device_get_softc(dev);
if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type))
return (ENXIO);
if (type != PUC_TYPE_SERIAL)
return (ENXIO);
sc->sc_class = &uart_ns8250_class;
if (BUS_READ_IVAR(parent, dev, PUC_IVAR_CLOCK, &rclk))
rclk = 0;
return (uart_bus_probe(dev, 0, rclk, 0, 0));
}
DRIVER_MODULE(uart, puc, uart_puc_driver, uart_devclass, 0, 0);