Current Path : /sys/dev/uart/ |
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/uart/uart_bus_acpi.c |
/*- * 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_acpi.c 200820 2009-12-21 22:57:40Z gavin $"); #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 <isa/isavar.h> #include <dev/uart/uart.h> #include <dev/uart/uart_bus.h> static int uart_acpi_probe(device_t dev); static device_method_t uart_acpi_methods[] = { /* Device interface */ DEVMETHOD(device_probe, uart_acpi_probe), DEVMETHOD(device_attach, uart_bus_attach), DEVMETHOD(device_detach, uart_bus_detach), { 0, 0 } }; static driver_t uart_acpi_driver = { uart_driver_name, uart_acpi_methods, sizeof(struct uart_softc), }; static struct isa_pnp_id acpi_ns8250_ids[] = { {0x0005d041, "Standard PC COM port"}, /* PNP0500 */ {0x0105d041, "16550A-compatible COM port"}, /* PNP0501 */ {0x04f0235c, "Wacom Tablet PC Screen"}, /* WACF004 */ {0} }; static int uart_acpi_probe(device_t dev) { struct uart_softc *sc; device_t parent; parent = device_get_parent(dev); sc = device_get_softc(dev); if (!ISA_PNP_PROBE(parent, dev, acpi_ns8250_ids)) { sc->sc_class = &uart_ns8250_class; return (uart_bus_probe(dev, 0, 0, 0, 0)); } /* Add checks for non-ns8250 IDs here. */ return (ENXIO); } DRIVER_MODULE(uart, acpi, uart_acpi_driver, uart_devclass, 0, 0);