1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2006 Marcel Moolenaar
5 * Copyright (c) 1997-2000 Nicolas Souchu
6 * Copyright (c) 2001 Alcove - Nicolas Souchu
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/bus.h>
36
37 #include <machine/bus.h>
38
39 #include <dev/puc/puc_bus.h>
40
41 #include <dev/ppbus/ppbconf.h>
42 #include <dev/ppbus/ppb_msq.h>
43 #include <dev/ppc/ppcvar.h>
44 #include <dev/ppc/ppcreg.h>
45
46 #include "ppbus_if.h"
47
48 static int ppc_puc_probe(device_t dev);
49
50 static device_method_t ppc_puc_methods[] = {
51 /* device interface */
52 DEVMETHOD(device_probe, ppc_puc_probe),
53 DEVMETHOD(device_attach, ppc_attach),
54 DEVMETHOD(device_detach, ppc_detach),
55
56 /* bus interface */
57 DEVMETHOD(bus_read_ivar, ppc_read_ivar),
58 DEVMETHOD(bus_write_ivar, ppc_write_ivar),
59 DEVMETHOD(bus_alloc_resource, ppc_alloc_resource),
60 DEVMETHOD(bus_release_resource, ppc_release_resource),
61
62 /* ppbus interface */
63 DEVMETHOD(ppbus_io, ppc_io),
64 DEVMETHOD(ppbus_exec_microseq, ppc_exec_microseq),
65 DEVMETHOD(ppbus_reset_epp, ppc_reset_epp),
66 DEVMETHOD(ppbus_setmode, ppc_setmode),
67 DEVMETHOD(ppbus_ecp_sync, ppc_ecp_sync),
68 DEVMETHOD(ppbus_read, ppc_read),
69 DEVMETHOD(ppbus_write, ppc_write),
70 { 0, 0 }
71 };
72
73 static driver_t ppc_puc_driver = {
74 ppc_driver_name,
75 ppc_puc_methods,
76 sizeof(struct ppc_data),
77 };
78
79 static int
ppc_puc_probe(device_t dev)80 ppc_puc_probe(device_t dev)
81 {
82 device_t parent;
83 uintptr_t type;
84
85 parent = device_get_parent(dev);
86 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type))
87 return (ENXIO);
88 if (type != PUC_TYPE_PARALLEL)
89 return (ENXIO);
90
91 device_set_desc(dev, "Parallel port");
92 return (ppc_probe(dev, 0));
93 }
94
95 DRIVER_MODULE(ppc, puc, ppc_puc_driver, 0, 0);
96