Apple "onyx" audio device driver.

2 files changed, 197 insertions, 1 deletions

diff --git a/sys/arch/macppc/conf/files.macppc b/sys/arch/macppc/conf/files.macppc
index 64ea931cd8d..556bd6c90a7 100644
--- a/sys/arch/macppc/conf/files.macppc
+++ b/sys/arch/macppc/conf/files.macppc
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.macppc,v 1.40 2005/11/17 15:03:52 drahn Exp $
+#	$OpenBSD: files.macppc,v 1.41 2005/11/19 00:43:41 kettenis Exp $
 
 #
 # macppc-specific configuration info
@@ -213,6 +213,11 @@ device	tumbler: audio, auconv, mulaw, i2s
 attach	tumbler at macobio
 file	arch/macppc/dev/tumbler.c			tumbler
 
+# onyx audio
+device	onyx: audio, auconv, mulaw, i2s
+attach	onyx at macobio
+file	arch/macppc/dev/onyx.c				onyx
+
 # aoa audio
 device	aoa: audio, auconv, mulaw, i2s
 attach	aoa at macobio
diff --git a/sys/arch/macppc/dev/onyx.c b/sys/arch/macppc/dev/onyx.c
new file mode 100644
index 00000000000..edfe66b90d4
--- /dev/null
+++ b/sys/arch/macppc/dev/onyx.c
@@ -0,0 +1,191 @@
+/*	$OpenBSD: onyx.c,v 1.1 2005/11/19 00:43:42 kettenis Exp $	*/
+
+/*-
+ * Copyright (c) 2005 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/audioio.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+
+#include <dev/audio_if.h>
+#include <dev/ofw/openfirm.h>
+#include <macppc/dev/dbdma.h>
+
+#include <machine/autoconf.h>
+
+#include <macppc/dev/i2svar.h>
+#include <macppc/dev/ki2cvar.h>
+
+#ifdef ONYX_DEBUG
+# define DPRINTF printf
+#else
+# define DPRINTF while (0) printf
+#endif
+
+/* XXX */
+#define PCM3052_I2C_ADDR	0x8c
+
+/* PCM3052 registers */
+#define PCM3052_REG_LEFT_VOLUME		0x41
+#define PCM3052_REG_RIGHT_VOLUME	0x42
+
+/* XXX */
+#define onyx_softc i2s_softc
+
+/* XXX */
+void ki2c_setmode(struct ki2c_softc *, u_int, u_int);
+int ki2c_write(struct device *, int, int, const void *, int);
+
+int onyx_getdev(void *, struct audio_device *);
+int onyx_match(struct device *, void *, void *);
+void onyx_attach(struct device *, struct device *, void *);
+void onyx_defer(struct device *);
+void onyx_set_volume(struct onyx_softc *, int, int);
+
+struct cfattach onyx_ca = {
+	sizeof(struct onyx_softc), onyx_match, onyx_attach
+};
+
+struct cfdriver onyx_cd = {
+	NULL, "onyx", DV_DULL
+};
+
+struct audio_hw_if onyx_hw_if = {
+	i2s_open,
+	i2s_close,
+	NULL,
+	i2s_query_encoding,
+	i2s_set_params,
+	i2s_round_blocksize,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	i2s_halt_output,
+	i2s_halt_input,
+	NULL,
+	onyx_getdev,
+	NULL,
+	i2s_set_port,
+	i2s_get_port,
+	i2s_query_devinfo,
+	i2s_allocm,
+	NULL,
+	i2s_round_buffersize,
+	i2s_mappage,
+	i2s_get_props,
+	i2s_trigger_output,
+	i2s_trigger_input,
+};
+
+struct audio_device onyx_device = {
+	"ONYX",
+	"",
+	"onyx"
+};
+
+int
+onyx_match(struct device *parent, void *match, void *aux)
+{
+	struct confargs *ca = aux;
+	int soundbus, soundchip;
+	char compat[32];
+
+	if (strcmp(ca->ca_name, "i2s") != 0)
+		return (0);
+
+	if ((soundbus = OF_child(ca->ca_node)) == 0 ||
+	    (soundchip = OF_child(soundbus)) == 0)
+		return (0);
+
+	bzero(compat, sizeof compat);
+	OF_getprop(soundchip, "compatible", compat, sizeof compat);
+
+	if (strcmp(compat, "AOAbase") == 0)
+		return (1);
+
+	return (0);
+}
+
+void
+onyx_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct onyx_softc *sc = (struct onyx_softc *)self;
+
+	sc->sc_setvolume = onyx_set_volume;
+
+	i2s_attach(parent, sc, aux);
+	config_defer(self, onyx_defer);
+}
+
+void
+onyx_defer(struct device *dev)
+{
+	struct onyx_softc *sc = (struct onyx_softc *)dev;
+	struct device *dv;
+
+	TAILQ_FOREACH(dv, &alldevs, dv_list)
+		if (strncmp(dv->dv_xname, "ki2c", 4) == 0 &&
+		    strncmp(dv->dv_parent->dv_xname, "macobio", 7) == 0)
+			sc->sc_i2c = dv;
+	if (sc->sc_i2c == NULL) {
+		printf("%s: unable to find i2c\n", sc->sc_dev.dv_xname);
+		return;
+	}
+
+	/* XXX If i2c has failed to attach, what should we do? */
+
+	audio_attach_mi(&onyx_hw_if, sc, &sc->sc_dev);
+
+	deq_reset(sc);
+	onyx_set_volume(sc, 192, 192);
+}
+
+int
+onyx_getdev(void *h, struct audio_device *retp)
+{
+	*retp = onyx_device;
+	return (0);
+}
+
+void
+onyx_set_volume(struct onyx_softc *sc, int left, int right)
+{
+	u_int8_t data;
+
+	sc->sc_vol_l = left;
+	sc->sc_vol_r = right;
+
+	ki2c_setmode(sc->sc_i2c, I2C_STDSUBMODE, 0);
+	data = 128 + (left >> 1);
+	ki2c_write(sc->sc_i2c, PCM3052_I2C_ADDR,
+	    PCM3052_REG_LEFT_VOLUME, &data, 1);
+	data = 128 + (right >> 1);
+	ki2c_write(sc->sc_i2c, PCM3052_I2C_ADDR,
+	    PCM3052_REG_RIGHT_VOLUME, &data, 1);
+}