xref: /freebsd/sys/dev/ppc/ppc_acpi.c (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 #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 
49 static int ppc_acpi_probe(device_t dev);
50 
51 int ppc_isa_attach(device_t dev);
52 int ppc_isa_write(device_t, char *, int, int);
53 
54 static 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_write_ivar,	ppc_write_ivar),
67 	DEVMETHOD(bus_alloc_resource,	ppc_alloc_resource),
68 	DEVMETHOD(bus_release_resource,	ppc_release_resource),
69 
70 	/* ppbus interface */
71 	DEVMETHOD(ppbus_io,		ppc_io),
72 	DEVMETHOD(ppbus_exec_microseq,	ppc_exec_microseq),
73 	DEVMETHOD(ppbus_reset_epp,	ppc_reset_epp),
74 	DEVMETHOD(ppbus_setmode,	ppc_setmode),
75 	DEVMETHOD(ppbus_ecp_sync,	ppc_ecp_sync),
76 	DEVMETHOD(ppbus_read,		ppc_read),
77 #ifdef DEV_ISA
78 	DEVMETHOD(ppbus_write,		ppc_isa_write),
79 #else
80 	DEVMETHOD(ppbus_write,		ppc_write),
81 #endif
82 	{ 0, 0 }
83 };
84 
85 static driver_t ppc_acpi_driver = {
86 	ppc_driver_name,
87 	ppc_acpi_methods,
88 	sizeof(struct ppc_data),
89 };
90 
91 static struct isa_pnp_id lpc_ids[] = {
92 	{ 0x0004d041, "Standard parallel printer port" },	/* PNP0400 */
93 	{ 0x0104d041, "ECP parallel printer port" },		/* PNP0401 */
94 	{ 0 }
95 };
96 
97 static int
98 ppc_acpi_probe(device_t dev)
99 {
100 	device_t parent;
101 	int error;
102 
103 	parent = device_get_parent(dev);
104 
105 	error = ISA_PNP_PROBE(parent, dev, lpc_ids);
106 	if (error)
107 		return (ENXIO);
108 
109 	device_set_desc(dev, "Parallel port");
110 	return (ppc_probe(dev, 0));
111 }
112 
113 DRIVER_MODULE(ppc, acpi, ppc_acpi_driver, 0, 0);
114