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