Current Path : /sys/dev/sio/ |
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/dev/sio/sio_puc.c |
/*- * 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/sio/sio_puc.c 185059 2008-11-18 21:01:54Z jhb $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/malloc.h> #include <sys/mutex.h> #include <sys/module.h> #include <sys/tty.h> #include <machine/bus.h> #include <sys/timepps.h> #include <dev/puc/puc_bus.h> #include <dev/sio/siovar.h> #include <dev/sio/sioreg.h> static int sio_puc_attach(device_t dev); static int sio_puc_probe(device_t dev); static device_method_t sio_puc_methods[] = { /* Device interface */ DEVMETHOD(device_probe, sio_puc_probe), DEVMETHOD(device_attach, sio_puc_attach), DEVMETHOD(device_detach, siodetach), { 0, 0 } }; static driver_t sio_puc_driver = { sio_driver_name, sio_puc_methods, 0, }; static int sio_puc_attach(device_t dev) { uintptr_t rclk; if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_CLOCK, &rclk) != 0) rclk = DEFAULT_RCLK; return (sioattach(dev, 0, rclk)); } static int sio_puc_probe(device_t dev) { device_t parent; uintptr_t rclk, type; int error; parent = device_get_parent(dev); if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type)) return (ENXIO); if (type != PUC_TYPE_SERIAL) return (ENXIO); if (BUS_READ_IVAR(parent, dev, PUC_IVAR_CLOCK, &rclk)) rclk = DEFAULT_RCLK; #ifdef PC98 SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550)); #endif error = sioprobe(dev, 0, rclk, 1); return ((error > 0) ? error : BUS_PROBE_LOW_PRIORITY); } DRIVER_MODULE(sio, puc, sio_puc_driver, sio_devclass, 0, 0);