xref: /freebsd/sys/dev/atkbdc/atkbdc_subr.c (revision 123af6ec70016f5556da5972d4d63c7d175c06d3)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 devclass_t atkbdc_devclass;
51 
52 int
53 atkbdc_print_child(device_t bus, device_t dev)
54 {
55 	atkbdc_device_t *kbdcdev;
56 	rman_res_t irq;
57 	int flags;
58 	int retval = 0;
59 
60 	kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
61 
62 	retval += bus_print_child_header(bus, dev);
63 	flags = device_get_flags(dev);
64 	if (flags != 0)
65 		retval += printf(" flags 0x%x", flags);
66 	irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid);
67 	if (irq != 0)
68 		retval += printf(" irq %jd", irq);
69 	retval += bus_print_child_footer(bus, dev);
70 
71 	return (retval);
72 }
73 
74 int
75 atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val)
76 {
77 	atkbdc_device_t *ivar;
78 
79 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
80 	switch (index) {
81 	case KBDC_IVAR_VENDORID:
82 		*val = (u_long)ivar->vendorid;
83 		break;
84 	case KBDC_IVAR_SERIAL:
85 		*val = (u_long)ivar->serial;
86 		break;
87 	case KBDC_IVAR_LOGICALID:
88 		*val = (u_long)ivar->logicalid;
89 		break;
90 	case KBDC_IVAR_COMPATID:
91 		*val = (u_long)ivar->compatid;
92 		break;
93 	default:
94 		return ENOENT;
95 	}
96 	return 0;
97 }
98 
99 int
100 atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val)
101 {
102 	atkbdc_device_t *ivar;
103 
104 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
105 	switch (index) {
106 	case KBDC_IVAR_VENDORID:
107 		ivar->vendorid = (u_int32_t)val;
108 		break;
109 	case KBDC_IVAR_SERIAL:
110 		ivar->serial = (u_int32_t)val;
111 		break;
112 	case KBDC_IVAR_LOGICALID:
113 		ivar->logicalid = (u_int32_t)val;
114 		break;
115 	case KBDC_IVAR_COMPATID:
116 		ivar->compatid = (u_int32_t)val;
117 		break;
118 	default:
119 		return ENOENT;
120 	}
121 	return 0;
122 }
123 
124 struct resource_list
125 *atkbdc_get_resource_list(device_t bus, device_t dev)
126 {
127 	atkbdc_device_t *ivar;
128 
129 	ivar = (atkbdc_device_t *)device_get_ivars(dev);
130 	return &ivar->resources;
131 }
132