xref: /freebsd/sys/dev/atkbdc/atkbdc_subr.c (revision d91f8db5f1822c43cd256f19aae1d059e4b25a26)
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 __FBSDID("$FreeBSD$");
33 
34 #include "opt_kbd.h"
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/module.h>
40 #include <sys/bus.h>
41 #include <sys/malloc.h>
42 #include <machine/resource.h>
43 #include <sys/rman.h>
44 
45 #include <dev/atkbdc/atkbdc_subr.h>
46 #include <dev/atkbdc/atkbdcreg.h>
47 
48 MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");
49 
50 int
51 atkbdc_print_child(device_t bus, device_t dev)
52 {
53 	atkbdc_device_t *kbdcdev;
54 	rman_res_t irq;
55 	int flags;
56 	int retval = 0;
57 
58 	kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
59 
60 	retval += bus_print_child_header(bus, dev);
61 	flags = device_get_flags(dev);
62 	if (flags != 0)
63 		retval += printf(" flags 0x%x", flags);
64 	irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid);
65 	if (irq != 0)
66 		retval += printf(" irq %jd", irq);
67 	retval += bus_print_child_footer(bus, dev);
68 
69 	return (retval);
70 }
71 
72 int
73 atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val)
74 {
75 	atkbdc_device_t *ivar;
76 
77 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
78 	switch (index) {
79 	case KBDC_IVAR_VENDORID:
80 		*val = (u_long)ivar->vendorid;
81 		break;
82 	case KBDC_IVAR_SERIAL:
83 		*val = (u_long)ivar->serial;
84 		break;
85 	case KBDC_IVAR_LOGICALID:
86 		*val = (u_long)ivar->logicalid;
87 		break;
88 	case KBDC_IVAR_COMPATID:
89 		*val = (u_long)ivar->compatid;
90 		break;
91 	default:
92 		return ENOENT;
93 	}
94 	return 0;
95 }
96 
97 int
98 atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val)
99 {
100 	atkbdc_device_t *ivar;
101 
102 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
103 	switch (index) {
104 	case KBDC_IVAR_VENDORID:
105 		ivar->vendorid = (u_int32_t)val;
106 		break;
107 	case KBDC_IVAR_SERIAL:
108 		ivar->serial = (u_int32_t)val;
109 		break;
110 	case KBDC_IVAR_LOGICALID:
111 		ivar->logicalid = (u_int32_t)val;
112 		break;
113 	case KBDC_IVAR_COMPATID:
114 		ivar->compatid = (u_int32_t)val;
115 		break;
116 	default:
117 		return ENOENT;
118 	}
119 	return 0;
120 }
121 
122 struct resource_list
123 *atkbdc_get_resource_list(device_t bus, device_t dev)
124 {
125 	atkbdc_device_t *ivar;
126 
127 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
128 	return &ivar->resources;
129 }
130