xref: /freebsd/sys/dev/atkbdc/atkbdc_subr.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
12  *    the first lines of this file unmodified.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  *	from: FreeBSD: src/sys/isa/atkbdc_isa.c,v 1.31 2005/05/29 04:42:28 nyan Exp
29  */
30 
31 #include <sys/cdefs.h>
32 #include "opt_kbd.h"
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38 #include <sys/bus.h>
39 #include <sys/malloc.h>
40 #include <machine/resource.h>
41 #include <sys/rman.h>
42 
43 #include <dev/atkbdc/atkbdc_subr.h>
44 #include <dev/atkbdc/atkbdcreg.h>
45 
46 MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");
47 
48 int
49 atkbdc_print_child(device_t bus, device_t dev)
50 {
51 	atkbdc_device_t *kbdcdev;
52 	rman_res_t irq;
53 	int flags;
54 	int retval = 0;
55 
56 	kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
57 
58 	retval += bus_print_child_header(bus, dev);
59 	flags = device_get_flags(dev);
60 	if (flags != 0)
61 		retval += printf(" flags 0x%x", flags);
62 	irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid);
63 	if (irq != 0)
64 		retval += printf(" irq %jd", irq);
65 	retval += bus_print_child_footer(bus, dev);
66 
67 	return (retval);
68 }
69 
70 int
71 atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val)
72 {
73 	atkbdc_device_t *ivar;
74 
75 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
76 	switch (index) {
77 	case KBDC_IVAR_VENDORID:
78 		*val = (u_long)ivar->vendorid;
79 		break;
80 	case KBDC_IVAR_SERIAL:
81 		*val = (u_long)ivar->serial;
82 		break;
83 	case KBDC_IVAR_LOGICALID:
84 		*val = (u_long)ivar->logicalid;
85 		break;
86 	case KBDC_IVAR_COMPATID:
87 		*val = (u_long)ivar->compatid;
88 		break;
89 	default:
90 		return ENOENT;
91 	}
92 	return 0;
93 }
94 
95 int
96 atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val)
97 {
98 	atkbdc_device_t *ivar;
99 
100 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
101 	switch (index) {
102 	case KBDC_IVAR_VENDORID:
103 		ivar->vendorid = (u_int32_t)val;
104 		break;
105 	case KBDC_IVAR_SERIAL:
106 		ivar->serial = (u_int32_t)val;
107 		break;
108 	case KBDC_IVAR_LOGICALID:
109 		ivar->logicalid = (u_int32_t)val;
110 		break;
111 	case KBDC_IVAR_COMPATID:
112 		ivar->compatid = (u_int32_t)val;
113 		break;
114 	default:
115 		return ENOENT;
116 	}
117 	return 0;
118 }
119 
120 struct resource_list
121 *atkbdc_get_resource_list(device_t bus, device_t dev)
122 {
123 	atkbdc_device_t *ivar;
124 
125 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
126 	return &ivar->resources;
127 }
128