ppc_acpi.c revision 183053 
1/*-
2 * Copyright (c) 2006 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/ppc/ppc_acpi.c 183053 2008-09-15 22:26:32Z jhb $");
29
30#include "opt_isa.h"
31
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 <isa/isareg.h>
40#include <isa/isavar.h>
41
42#include <dev/ppbus/ppbconf.h>
43#include <dev/ppbus/ppb_msq.h>
44#include <dev/ppc/ppcvar.h>
45#include <dev/ppc/ppcreg.h>
46
47#include "ppbus_if.h"
48
49static int ppc_acpi_probe(device_t dev);
50
51int ppc_isa_attach(device_t dev);
52int ppc_isa_write(device_t, char *, int, int);
53
54static device_method_t ppc_acpi_methods[] = {
55	/* device interface */
56	DEVMETHOD(device_probe,		ppc_acpi_probe),
57#ifdef DEV_ISA
58	DEVMETHOD(device_attach,	ppc_isa_attach),
59#else
60	DEVMETHOD(device_attach,	ppc_attach),
61#endif
62	DEVMETHOD(device_detach,	ppc_detach),
63
64	/* bus interface */
65	DEVMETHOD(bus_read_ivar,	ppc_read_ivar),
66	DEVMETHOD(bus_setup_intr,	ppc_setup_intr),
67	DEVMETHOD(bus_teardown_intr,	ppc_teardown_intr),
68	DEVMETHOD(bus_alloc_resource,	ppc_alloc_resource),
69	DEVMETHOD(bus_release_resource,	ppc_release_resource),
70
71	/* ppbus interface */
72	DEVMETHOD(ppbus_io,		ppc_io),
73	DEVMETHOD(ppbus_exec_microseq,	ppc_exec_microseq),
74	DEVMETHOD(ppbus_reset_epp,	ppc_reset_epp),
75	DEVMETHOD(ppbus_setmode,	ppc_setmode),
76	DEVMETHOD(ppbus_ecp_sync,	ppc_ecp_sync),
77	DEVMETHOD(ppbus_read,		ppc_read),
78#ifdef DEV_ISA
79	DEVMETHOD(ppbus_write,		ppc_isa_write),
80#else
81	DEVMETHOD(ppbus_write,		ppc_write),
82#endif
83
84	{ 0, 0 }
85};
86
87static driver_t ppc_acpi_driver = {
88	ppc_driver_name,
89	ppc_acpi_methods,
90	sizeof(struct ppc_data),
91};
92
93static struct isa_pnp_id lpc_ids[] = {
94	{ 0x0004d041, "Standard parallel printer port" },	/* PNP0400 */
95	{ 0x0104d041, "ECP parallel printer port" },		/* PNP0401 */
96	{ 0 }
97};
98
99static int
100ppc_acpi_probe(device_t dev)
101{
102	device_t parent;
103	int error;
104
105	parent = device_get_parent(dev);
106
107	error = ISA_PNP_PROBE(parent, dev, lpc_ids);
108	if (error)
109		return (ENXIO);
110
111	device_set_desc(dev, "Parallel port");
112	return (ppc_probe(dev, 0));
113}
114
115DRIVER_MODULE(ppc, acpi, ppc_acpi_driver, ppc_devclass, 0, 0);
116