1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 M. Warner Losh. All rights reserved. 5 * Copyright (c) 2003 Norikatsu Shigemura, Takenori Watanabe All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD$"); 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34#include <sys/conf.h> 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <machine/bus.h> 38#include <machine/resource.h> 39 40#include <dev/pccard/pccard_cis.h> 41#include <dev/pccard/pccardvar.h> 42 43#include <dev/uart/uart.h> 44#include <dev/uart/uart_bus.h> 45 46#include "pccarddevs.h" 47 48static int uart_pccard_probe(device_t dev); 49static int uart_pccard_attach(device_t dev); 50 51static device_method_t uart_pccard_methods[] = { 52 /* Device interface */ 53 DEVMETHOD(device_probe, uart_pccard_probe), 54 DEVMETHOD(device_attach, uart_pccard_attach), 55 DEVMETHOD(device_detach, uart_bus_detach), 56 57 { 0, 0 } 58}; 59 60static uint32_t uart_pccard_function = PCCARD_FUNCTION_SERIAL; 61 62static driver_t uart_pccard_driver = { 63 uart_driver_name, 64 uart_pccard_methods, 65 sizeof(struct uart_softc), 66}; 67 68static int 69uart_pccard_probe(device_t dev) 70{ 71 int error; 72 uint32_t fcn; 73 74 fcn = PCCARD_FUNCTION_UNSPEC; 75 error = pccard_get_function(dev, &fcn); 76 if (error != 0) 77 return (error); 78 /* 79 * If a serial card, we are likely the right driver. However, 80 * some serial cards are better serviced by other drivers, so 81 * allow other drivers to claim it, if they want. 82 */ 83 if (fcn == uart_pccard_function) 84 return (BUS_PROBE_GENERIC); 85 86 return (ENXIO); 87} 88 89static int 90uart_pccard_attach(device_t dev) 91{ 92 struct uart_softc *sc; 93 int error; 94 95 sc = device_get_softc(dev); 96 sc->sc_class = &uart_ns8250_class; 97 98 error = uart_bus_probe(dev, 0, 0, 0, 0, 0, 0); 99 if (error > 0) 100 return (error); 101 gone_in_dev(dev, 13, "pccard removed"); 102 return (uart_bus_attach(dev)); 103} 104 105DRIVER_MODULE(uart, pccard, uart_pccard_driver, uart_devclass, 0, 0); 106MODULE_PNP_INFO("U32:function_type;", pccard, uart, &uart_pccard_function, 107 1); 108