[src/trunk]: src/sys/arch/macppc Add PowerBook LCD brightness and speaker vol...

[tsubai <tsubai%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1f7b04ff138e
branches:  trunk
changeset: 474608:1f7b04ff138e
user:      tsubai <tsubai%NetBSD.org@localhost>
date:      Mon Jul 12 17:48:26 1999 +0000

description:
Add PowerBook LCD brightness and speaker volume button device.
Only brightness works for now.

diffstat:

 sys/arch/macppc/conf/files.macppc |    6 +-
 sys/arch/macppc/dev/abtn.c        |  125 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 130 insertions(+), 1 deletions(-)

diffs (149 lines):

diff -r e3c9224d2940 -r 1f7b04ff138e sys/arch/macppc/conf/files.macppc
--- a/sys/arch/macppc/conf/files.macppc Mon Jul 12 17:29:32 1999 +0000
+++ b/sys/arch/macppc/conf/files.macppc Mon Jul 12 17:48:26 1999 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.macppc,v 1.20 1999/06/07 20:31:31 thorpej Exp $
+#      $NetBSD: files.macppc,v 1.21 1999/07/12 17:48:26 tsubai Exp $
 #
 # macppc-specific configuration info
 
@@ -126,6 +126,10 @@
 attach ams at adb
 file arch/macppc/dev/ams.c                     ams
 
+device abtn
+attach abtn at adb
+file arch/macppc/dev/abtn.c                    abtn
+
 device nvram
 attach nvram at obio
 file arch/macppc/dev/nvram.c                   nvram needs-flag
diff -r e3c9224d2940 -r 1f7b04ff138e sys/arch/macppc/dev/abtn.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/macppc/dev/abtn.c        Mon Jul 12 17:48:26 1999 +0000
@@ -0,0 +1,125 @@
+/*     $NetBSD: abtn.c,v 1.1 1999/07/12 17:48:26 tsubai Exp $  */
+
+/*-
+ * Copyright (C) 1999 Tsubai Masanari.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+
+#include <macppc/dev/adbvar.h>
+
+#define NVRAM_BRIGHTNESS 0x140e
+#define ABTN_HANDLER_ID 31
+
+struct abtn_softc {
+       struct device sc_dev;
+
+       int origaddr;           /* ADB device type */
+       int adbaddr;            /* current ADB address */
+       int handler_id;
+
+       int brightness;         /* backlight brightness */
+       int volume;             /* speaker volume (not yet) */
+};
+
+static int abtn_match __P((struct device *, struct cfdata *, void *));
+static void abtn_attach __P((struct device *, struct device *, void *));
+static void abtn_adbcomplete __P((caddr_t, caddr_t, int));
+
+struct cfattach abtn_ca = {
+       sizeof(struct abtn_softc), abtn_match, abtn_attach
+};
+
+int
+abtn_match(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       struct adb_attach_args *aa = aux;
+
+       if (aa->origaddr == ADBADDR_MISC &&
+           aa->handler_id == ABTN_HANDLER_ID)
+               return 1;
+
+       return 0;
+}
+
+void
+abtn_attach(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct abtn_softc *sc = (struct abtn_softc *)self;
+       struct adb_attach_args *aa = aux;
+       ADBSetInfoBlock adbinfo;
+       int bright;
+
+       printf("brightness/volume button\n");
+
+       bright = pm_read_nvram(NVRAM_BRIGHTNESS);
+       pm_set_brightness(bright);
+       sc->brightness = bright;
+
+       sc->origaddr = aa->origaddr;
+       sc->adbaddr = aa->adbaddr;
+       sc->handler_id = aa->handler_id;
+
+       adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete;
+       adbinfo.siDataAreaAddr = (caddr_t)sc;
+
+       SetADBInfo(&adbinfo, sc->adbaddr);
+}
+
+void 
+abtn_adbcomplete(buffer, data, adb_command)
+       caddr_t buffer, data;
+       int adb_command;
+{
+       struct abtn_softc *sc = (struct abtn_softc *)data;
+       u_int cmd;
+
+       cmd = buffer[1];
+
+       switch (cmd) {
+       case 0x0a:
+               sc->brightness -= 8;
+               if (sc->brightness < 8)
+                       sc->brightness = 8;
+               pm_set_brightness(sc->brightness);
+               pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness);
+               break;
+
+       case 0x09:
+               sc->brightness += 8;
+               if (sc->brightness > 0x78)
+                       sc->brightness = 0x78;
+               pm_set_brightness(sc->brightness);
+               pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness);
+               break;
+       }
+}