1 /* $OpenBSD: abtn.c,v 1.18 2022/03/13 12:33:01 mpi Exp $ */
2 /* $NetBSD: abtn.c,v 1.1 1999/07/12 17:48:26 tsubai Exp $ */
3
4 /*-
5 * Copyright (c) 2002, Miodrag Vallat.
6 * Copyright (C) 1999 Tsubai Masanari. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/param.h>
32 #include <sys/device.h>
33 #include <sys/systm.h>
34 #include <sys/task.h>
35
36 #include <machine/bus.h>
37
38 #include <dev/ofw/openfirm.h>
39 #include <macppc/macppc/ofw_machdep.h>
40
41 #include <dev/adb/adb.h>
42
43 #include "audio.h"
44 #include "cd.h"
45 #include "wskbd.h"
46
47 #define ABTN_HANDLER_ID 31
48
49 struct abtn_softc {
50 struct device sc_dev;
51
52 int origaddr; /* ADB device type */
53 int adbaddr; /* current ADB address */
54 int handler_id;
55 };
56
57 int abtn_match(struct device *, void *, void *);
58 void abtn_attach(struct device *, struct device *, void *);
59 void abtn_adbcomplete(caddr_t, caddr_t, int);
60
61 #if NWSKBD > 0
62 extern int cd_eject(void);
63 #if NAUDIO > 0
64 extern int wskbd_set_mixervolume(long, long);
65 #endif
66 #endif
67
68 const struct cfattach abtn_ca = {
69 sizeof(struct abtn_softc), abtn_match, abtn_attach
70 };
71 struct cfdriver abtn_cd = {
72 NULL, "abtn", DV_DULL
73 };
74
75 struct task eject_task =
76 TASK_INITIALIZER((void (*)(void *))cd_eject, NULL);
77
78 int
abtn_match(struct device * parent,void * cf,void * aux)79 abtn_match(struct device *parent, void *cf, void *aux)
80 {
81 struct adb_attach_args *aa = aux;
82
83 if (strcmp(aa->name, adb_device_name) != 0)
84 return (0);
85
86 if (aa->origaddr == ADBADDR_MISC &&
87 aa->handler_id == ABTN_HANDLER_ID)
88 return 1;
89
90 return 0;
91 }
92
93 void
abtn_attach(struct device * parent,struct device * self,void * aux)94 abtn_attach(struct device *parent, struct device *self, void *aux)
95 {
96 struct abtn_softc *sc = (struct abtn_softc *)self;
97 struct adb_attach_args *aa = aux;
98 ADBSetInfoBlock adbinfo;
99
100 printf(": brightness/volume/eject buttons\n");
101
102 sc->origaddr = aa->origaddr;
103 sc->adbaddr = aa->adbaddr;
104 sc->handler_id = aa->handler_id;
105
106 adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete;
107 adbinfo.siDataAreaAddr = (caddr_t)sc;
108
109 set_adb_info(&adbinfo, sc->adbaddr);
110 }
111
112 void
abtn_adbcomplete(caddr_t buffer,caddr_t data,int adb_command)113 abtn_adbcomplete(caddr_t buffer, caddr_t data, int adb_command)
114 {
115 u_int cmd, brightness;
116
117 cmd = buffer[1];
118
119 switch (cmd) {
120 case 0x0a: /* decrease brightness */
121 brightness = cons_brightness;
122 if (brightness == MAX_BRIGHTNESS)
123 brightness++; /* get round values */
124 brightness -= STEP_BRIGHTNESS;
125 of_setbrightness(brightness);
126 break;
127
128 case 0x09: /* increase brightness */
129 brightness = cons_brightness + STEP_BRIGHTNESS;
130 of_setbrightness(brightness);
131 break;
132
133 #if NAUDIO > 0 && NWSKBD > 0
134 case 0x08: /* mute */
135 case 0x01: /* mute, AV hardware */
136 wskbd_set_mixervolume(0, 1);
137 break;
138 case 0x07: /* decrease volume */
139 case 0x02: /* decrease volume, AV hardware */
140 wskbd_set_mixervolume(-1, 1);
141 break;
142 case 0x06: /* increase volume */
143 case 0x03: /* increase volume, AV hardware */
144 wskbd_set_mixervolume(1, 1);
145 break;
146 #endif
147 case 0x0c: /* mirror display key */
148 /* Need callback to do something with this */
149 break;
150 #if NWSKBD > 0 && NCD > 0
151 case 0x0b: /* eject tray */
152 task_add(systq, &eject_task);
153 break;
154 #endif
155 case 0x7f: /* numlock */
156 /* Need callback to do something with this */
157 break;
158
159 default:
160 #ifdef DEBUG
161 if ((cmd & ~0x7f) == 0)
162 printf("unknown ADB button 0x%x\n", cmd);
163 #endif
164 break;
165 }
166 }
167