xref: /freebsd/sys/dev/ppc/ppc_acpi.c (revision e796cc77c586c2955b2f3940dbf4991b31e8d289)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2006 Marcel Moolenaar
5  * 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 AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include "opt_isa.h"
33 
34 #include <sys/param.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/bus.h>
38 
39 #include <machine/bus.h>
40 
41 #include <isa/isareg.h>
42 #include <isa/isavar.h>
43 
44 #include <dev/ppbus/ppbconf.h>
45 #include <dev/ppbus/ppb_msq.h>
46 #include <dev/ppc/ppcvar.h>
47 #include <dev/ppc/ppcreg.h>
48 
49 #include "ppbus_if.h"
50 
51 static int ppc_acpi_probe(device_t dev);
52 
53 int ppc_isa_attach(device_t dev);
54 int ppc_isa_write(device_t, char *, int, int);
55 
56 static device_method_t ppc_acpi_methods[] = {
57 	/* device interface */
58 	DEVMETHOD(device_probe,		ppc_acpi_probe),
59 #ifdef DEV_ISA
60 	DEVMETHOD(device_attach,	ppc_isa_attach),
61 #else
62 	DEVMETHOD(device_attach,	ppc_attach),
63 #endif
64 	DEVMETHOD(device_detach,	ppc_detach),
65 
66 	/* bus interface */
67 	DEVMETHOD(bus_read_ivar,	ppc_read_ivar),
68 	DEVMETHOD(bus_write_ivar,	ppc_write_ivar),
69 	DEVMETHOD(bus_alloc_resource,	ppc_alloc_resource),
70 	DEVMETHOD(bus_release_resource,	ppc_release_resource),
71 
72 	/* ppbus interface */
73 	DEVMETHOD(ppbus_io,		ppc_io),
74 	DEVMETHOD(ppbus_exec_microseq,	ppc_exec_microseq),
75 	DEVMETHOD(ppbus_reset_epp,	ppc_reset_epp),
76 	DEVMETHOD(ppbus_setmode,	ppc_setmode),
77 	DEVMETHOD(ppbus_ecp_sync,	ppc_ecp_sync),
78 	DEVMETHOD(ppbus_read,		ppc_read),
79 #ifdef DEV_ISA
80 	DEVMETHOD(ppbus_write,		ppc_isa_write),
81 #else
82 	DEVMETHOD(ppbus_write,		ppc_write),
83 #endif
84 
85 	{ 0, 0 }
86 };
87 
88 static driver_t ppc_acpi_driver = {
89 	ppc_driver_name,
90 	ppc_acpi_methods,
91 	sizeof(struct ppc_data),
92 };
93 
94 static struct isa_pnp_id lpc_ids[] = {
95 	{ 0x0004d041, "Standard parallel printer port" },	/* PNP0400 */
96 	{ 0x0104d041, "ECP parallel printer port" },		/* PNP0401 */
97 	{ 0 }
98 };
99 
100 static int
101 ppc_acpi_probe(device_t dev)
102 {
103 	device_t parent;
104 	int error;
105 
106 	parent = device_get_parent(dev);
107 
108 	error = ISA_PNP_PROBE(parent, dev, lpc_ids);
109 	if (error)
110 		return (ENXIO);
111 
112 	device_set_desc(dev, "Parallel port");
113 	return (ppc_probe(dev, 0));
114 }
115 
116 DRIVER_MODULE(ppc, acpi, ppc_acpi_driver, ppc_devclass, 0, 0);
117