same devices named the same

1 files changed, 154 insertions, 0 deletions

diff --git a/sys/dev/isa/mpu_isa.c b/sys/dev/isa/mpu_isa.c
new file mode 100644
index 00000000000..2982e0be40d
--- /dev/null
+++ b/sys/dev/isa/mpu_isa.c
@@ -0,0 +1,154 @@
+/*	$OpenBSD: mpu_isa.c,v 1.1 2002/11/28 23:24:53 mickey Exp $	*/
+
+/*
+ * Copyright (c) 2002 Sergey Smitienko. 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 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 <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+#include <sys/proc.h>
+
+#include <machine/bus.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+#include <dev/midi_if.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/isadmavar.h>
+
+#include <dev/ic/mpuvar.h>
+
+int	mpu_isa_match(struct device *, void *, void *);
+void	mpu_isa_attach(struct device *, struct device *, void *);
+int	mpu_test(bus_space_tag_t, int);
+
+#ifdef	AUDIO_DEBUG
+#define	DPRINTF(x)	if (mpu_debug) printf x
+int	mpu_debug = 0;
+#else
+#define	DPRINTF(x)
+#endif
+
+#define MPU_GETSTATUS(iot, ioh) (bus_space_read_1(iot, ioh, MPU_STATUS))
+
+struct mpu_isa_softc {
+	struct device sc_dev;
+
+	struct mpu_softc sc_mpu;
+};
+
+struct cfattach mpu_isa_ca = {
+	sizeof(struct mpu_isa_softc), mpu_isa_match, mpu_isa_attach
+};
+
+int
+mpu_test (iot, iobase)
+	bus_space_tag_t iot;
+	int iobase;	/* base port number to try */
+{
+	bus_space_handle_t ioh;
+	int	i, rc;
+
+	rc = 0;
+	if (bus_space_map(iot, iobase, MPU401_NPORT, 0, &ioh)) {
+		DPRINTF(("mpu_test: can`t map: %x/2\n", iobase));
+		return (0);
+	}
+
+	DPRINTF(("mpu_test: trying: %x\n", iobase));
+
+	/*
+	 * The following code is a shameless copy of mpu401.c
+	 * it is here until a redesign of mpu_find() interface
+	 */
+
+	if (MPU_GETSTATUS(iot, ioh) == 0xff)
+		goto done;
+
+	for (i = 0; i < MPU_MAXWAIT; i++) {
+		if (!(MPU_GETSTATUS(iot, ioh) & MPU_OUTPUT_BUSY))
+			goto done;
+		delay (10);
+	}
+	bus_space_write_1(iot, ioh, MPU_COMMAND, MPU_RESET);
+
+	for (i = 0; i < 2 * MPU_MAXWAIT; i++)
+		if (!(MPU_GETSTATUS(iot, ioh) & MPU_INPUT_EMPTY) &&
+		    bus_space_read_1(iot, ioh, MPU_DATA) == MPU_ACK) {
+			rc = 1;
+			break;
+		}
+done:
+	bus_space_unmap(iot, ioh, MPU401_NPORT);
+
+	return (rc);
+}
+
+int
+mpu_isa_match(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct isa_attach_args *ia = aux;
+
+        if (mpu_test(ia->ia_iot, ia->ia_iobase)) {
+		ia->ia_iosize = MPU401_NPORT;
+		return (1);
+	}
+
+	return (0);
+}
+
+void
+mpu_isa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct mpu_isa_softc *sc = (struct mpu_isa_softc *)self;
+	struct isa_attach_args *ia = aux;
+
+	sc->sc_mpu.iot = ia->ia_iot;
+
+	if (bus_space_map (ia->ia_iot, ia->ia_iobase, MPU401_NPORT,
+	    0, &sc->sc_mpu.ioh)) {
+		printf(": can`t map i/o space\n");
+		return;
+	}
+
+	if (!mpu_find(&sc->sc_mpu)) {
+		printf(": find failed\n");
+		return;
+	}
+
+	printf(": generic MPU-401 compatible\n");
+
+	midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, &sc->sc_dev);
+}