1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* $OpenBSD: lpt_ebus.c,v 1.12 2022/10/16 01:22:39 jsg Exp $ */
/* $NetBSD: lpt_ebus.c,v 1.8 2002/03/01 11:51:00 martin Exp $ */
/*
* Copyright (c) 1999, 2000 Matthew R. Green
* 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.
*/
/*
* NS Super I/O PC87332VLJ "lpt" to ebus attachment
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <dev/ic/lptvar.h>
struct lpt_ebus_softc {
struct lpt_softc sc_lpt;
bus_space_handle_t sc_ctrl;
};
int lpt_ebus_match(struct device *, void *, void *);
void lpt_ebus_attach(struct device *, struct device *, void *);
const struct cfattach lpt_ebus_ca = {
sizeof(struct lpt_ebus_softc), lpt_ebus_match, lpt_ebus_attach
};
int
lpt_ebus_match(struct device *parent, void *match, void *aux)
{
struct ebus_attach_args *ea = aux;
if (!strcmp(ea->ea_name, "ecpp") ||
!strcmp(ea->ea_name, "parallel"))
return (1);
return (0);
}
void
lpt_ebus_attach(struct device *parent, struct device *self, void *aux)
{
struct lpt_ebus_softc *sc = (void *)self;
struct ebus_attach_args *ea = aux;
if (ebus_bus_map(ea->ea_memtag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
0, 0, &sc->sc_lpt.sc_ioh) == 0) {
sc->sc_lpt.sc_iot = ea->ea_memtag;
} else if (ebus_bus_map(ea->ea_iotag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
0, 0, &sc->sc_lpt.sc_ioh) == 0) {
sc->sc_lpt.sc_iot = ea->ea_iotag;
} else {
printf(": can't map register space\n");
return;
}
if (ebus_bus_map(sc->sc_lpt.sc_iot, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size, 0, 0,
&sc->sc_ctrl) != 0) {
printf(": can't map control space\n");
bus_space_unmap(sc->sc_lpt.sc_iot, sc->sc_lpt.sc_ioh,
ea->ea_regs[0].size);
return;
}
sc->sc_lpt.sc_flags |= LPT_POLLED;
printf(": polled");
lpt_attach_common(&sc->sc_lpt);
}
|
