1 files changed, 137 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/fake.c b/sys/dev/sound/pcm/fake.c
new file mode 100644
index 0000000..8c4ba77
--- /dev/null
+++ b/sys/dev/sound/pcm/fake.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <dev/sound/pcm/sound.h>
+
+SND_DECLARE_FILE("$FreeBSD$");
+
+static u_int32_t fk_fmt[] = {
+	AFMT_U8,
+	AFMT_STEREO | AFMT_U8,
+	AFMT_S8,
+	AFMT_STEREO | AFMT_S8,
+	AFMT_S16_LE,
+	AFMT_STEREO | AFMT_S16_LE,
+	AFMT_U16_LE,
+	AFMT_STEREO | AFMT_U16_LE,
+	AFMT_S16_BE,
+	AFMT_STEREO | AFMT_S16_BE,
+	AFMT_U16_BE,
+	AFMT_STEREO | AFMT_U16_BE,
+	0
+};
+static struct pcmchan_caps fk_caps = {0, 1000000, fk_fmt, 0};
+
+#define	FKBUFSZ	4096
+static char fakebuf[FKBUFSZ];
+
+/* channel interface */
+static void *
+fkchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
+{
+	sndbuf_setup(b, fakebuf, FKBUFSZ);
+	return (void *)0xbabef00d;
+}
+
+static int
+fkchan_free(kobj_t obj, void *data)
+{
+	return 0;
+}
+
+static int
+fkchan_setformat(kobj_t obj, void *data, u_int32_t format)
+{
+	return 0;
+}
+
+static int
+fkchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
+{
+	return speed;
+}
+
+static int
+fkchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
+{
+	return blocksize;
+}
+
+static int
+fkchan_trigger(kobj_t obj, void *data, int go)
+{
+	return 0;
+}
+
+static int
+fkchan_getptr(kobj_t obj, void *data)
+{
+	return 0;
+}
+
+static struct pcmchan_caps *
+fkchan_getcaps(kobj_t obj, void *data)
+{
+	return &fk_caps;
+}
+
+static kobj_method_t fkchan_methods[] = {
+    	KOBJMETHOD(channel_init,		fkchan_init),
+    	KOBJMETHOD(channel_free,		fkchan_free),
+    	KOBJMETHOD(channel_setformat,		fkchan_setformat),
+    	KOBJMETHOD(channel_setspeed,		fkchan_setspeed),
+    	KOBJMETHOD(channel_setblocksize,	fkchan_setblocksize),
+    	KOBJMETHOD(channel_trigger,		fkchan_trigger),
+    	KOBJMETHOD(channel_getptr,		fkchan_getptr),
+    	KOBJMETHOD(channel_getcaps,		fkchan_getcaps),
+	{ 0, 0 }
+};
+CHANNEL_DECLARE(fkchan);
+
+struct pcm_channel *
+fkchan_setup(device_t dev)
+{
+    	struct snddev_info *d = device_get_softc(dev);
+	struct pcm_channel *c;
+
+	c = malloc(sizeof(*c), M_DEVBUF, M_WAITOK);
+	c->methods = kobj_create(&fkchan_class, M_DEVBUF, M_WAITOK);
+	c->parentsnddev = d;
+	snprintf(c->name, CHN_NAMELEN, "%s:fake", device_get_nameunit(dev));
+
+	return c;
+}
+
+int
+fkchan_kill(struct pcm_channel *c)
+{
+	kobj_delete(c->methods, M_DEVBUF);
+	c->methods = NULL;
+	free(c, M_DEVBUF);
+	return 0;
+}
+
+