ESS audio driver ported from NetBSD, some mixer problems with X-based mixers

otherwise OK (mixerctl works quite OK, very strange).
At the moment it is polled only, but it works quite OK that way too.

1 files changed, 105 insertions, 0 deletions

diff --git a/sys/dev/isa/ess_isapnp.c b/sys/dev/isa/ess_isapnp.c
new file mode 100644
index 00000000000..5e1179df724
--- /dev/null
+++ b/sys/dev/isa/ess_isapnp.c
@@ -0,0 +1,105 @@
+/*	$OpenBSD: ess_isapnp.c,v 1.1 1999/06/22 16:20:03 niklas Exp $	*/
+/*	$NetBSD: ess_isa.c,v 1.4 1999/03/18 20:57:11 mycroft Exp $	*/
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nathan J. Williams.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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/device.h>
+
+#include <machine/cpu.h>
+#include <machine/bus.h>
+
+#include <dev/isa/isavar.h>
+
+#include <dev/isa/essreg.h>
+#include <dev/isa/essvar.h>
+
+#ifdef ESS_ISAPNP_DEBUG
+#define DPRINTF(x)	printf x
+#else
+#define DPRINTF(x)
+#endif
+
+int ess_isapnp_probe __P((struct device *, void *, void *));
+void ess_isapnp_attach __P((struct device *, struct device *, void *));
+
+struct cfattach ess_isapnp_ca = {
+	sizeof(struct ess_softc), ess_isapnp_probe, ess_isapnp_attach
+};
+
+int
+ess_isapnp_probe(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	return 1;
+}
+
+void ess_isapnp_attach(parent, self, aux)
+	 struct device *parent, *self;
+	 void *aux;
+{
+	struct ess_softc *sc = (void *)self;
+	struct isa_attach_args *ia = aux;
+
+	printf("\n");
+
+	sc->sc_ic = ia->ia_ic;
+	sc->sc_iot = ia->ia_iot;
+	sc->sc_ioh = ia->ipa_io[0].h;
+	sc->sc_iobase = ia->ipa_io[0].base;
+
+	sc->sc_audio1.irq = ia->ipa_irq[0].num;
+	sc->sc_audio1.ist = ia->ipa_irq[0].type;
+	sc->sc_audio1.drq = ia->ipa_drq[0].num;
+	sc->sc_audio2.irq = ia->ipa_irq[0].num;
+	sc->sc_audio2.ist = ia->ipa_irq[0].type;
+	sc->sc_audio2.drq = ia->ipa_drq[1].num;
+
+	sc->sc_isa = parent->dv_parent;
+
+	if (!essmatch(sc)) {
+		printf("%s: essmatch failed\n", sc->sc_dev.dv_xname);
+		return;
+	}
+
+	printf("%s:", sc->sc_dev.dv_xname);
+
+	essattach(sc);
+}