1/*	$OpenBSD: lpt_ebus.c,v 1.12 2022/10/16 01:22:39 jsg Exp $	*/
2/*	$NetBSD: lpt_ebus.c,v 1.8 2002/03/01 11:51:00 martin Exp $	*/
3
4/*
5 * Copyright (c) 1999, 2000 Matthew R. Green
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30/*
31 * NS Super I/O PC87332VLJ "lpt" to ebus attachment
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/device.h>
37#include <sys/tty.h>
38
39#include <machine/bus.h>
40
41#include <sparc64/dev/ebusreg.h>
42#include <sparc64/dev/ebusvar.h>
43
44#include <dev/ic/lptvar.h>
45
46struct lpt_ebus_softc {
47	struct lpt_softc sc_lpt;
48	bus_space_handle_t sc_ctrl;
49};
50
51int	lpt_ebus_match(struct device *, void *, void *);
52void	lpt_ebus_attach(struct device *, struct device *, void *);
53
54const struct cfattach lpt_ebus_ca = {
55	sizeof(struct lpt_ebus_softc), lpt_ebus_match, lpt_ebus_attach
56};
57
58int
59lpt_ebus_match(struct device *parent, void *match, void *aux)
60{
61	struct ebus_attach_args *ea = aux;
62
63	if (!strcmp(ea->ea_name, "ecpp") ||
64	    !strcmp(ea->ea_name, "parallel"))
65		return (1);
66	return (0);
67}
68
69void
70lpt_ebus_attach(struct device *parent, struct device *self, void *aux)
71{
72	struct lpt_ebus_softc *sc = (void *)self;
73	struct ebus_attach_args *ea = aux;
74
75
76	if (ebus_bus_map(ea->ea_memtag, 0,
77	    EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
78	    0, 0, &sc->sc_lpt.sc_ioh) == 0) {
79		sc->sc_lpt.sc_iot = ea->ea_memtag;
80	} else if (ebus_bus_map(ea->ea_iotag, 0,
81		    EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
82		    0, 0, &sc->sc_lpt.sc_ioh) == 0) {
83		sc->sc_lpt.sc_iot = ea->ea_iotag;
84	} else {
85		printf(": can't map register space\n");
86		return;
87	}
88
89	if (ebus_bus_map(sc->sc_lpt.sc_iot, 0,
90	    EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size, 0, 0,
91	    &sc->sc_ctrl) != 0) {
92		printf(": can't map control space\n");
93		bus_space_unmap(sc->sc_lpt.sc_iot, sc->sc_lpt.sc_ioh,
94		    ea->ea_regs[0].size);
95		return;
96	}
97
98	sc->sc_lpt.sc_flags |= LPT_POLLED;
99	printf(": polled");
100
101	lpt_attach_common(&sc->sc_lpt);
102}
103