xref: /freebsd/sys/dev/ppc/ppc_acpi.c (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
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("$FreeBSD$");
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 
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 
83 	{ 0, 0 }
84 };
85 
86 static driver_t ppc_acpi_driver = {
87 	ppc_driver_name,
88 	ppc_acpi_methods,
89 	sizeof(struct ppc_data),
90 };
91 
92 static struct isa_pnp_id lpc_ids[] = {
93 	{ 0x0004d041, "Standard parallel printer port" },	/* PNP0400 */
94 	{ 0x0104d041, "ECP parallel printer port" },		/* PNP0401 */
95 	{ 0 }
96 };
97 
98 static int
99 ppc_acpi_probe(device_t dev)
100 {
101 	device_t parent;
102 	int error;
103 
104 	parent = device_get_parent(dev);
105 
106 	error = ISA_PNP_PROBE(parent, dev, lpc_ids);
107 	if (error)
108 		return (ENXIO);
109 
110 	device_set_desc(dev, "Parallel port");
111 	return (ppc_probe(dev, 0));
112 }
113 
114 DRIVER_MODULE(ppc, acpi, ppc_acpi_driver, ppc_devclass, 0, 0);
115