[src/trunk]: src/sys/arch/sparc64/dev add ebus attachment for cs4231. this d...

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

details:   https://anonhg.NetBSD.org/src/rev/f5b109168167
branches:  trunk
changeset: 473566:f5b109168167
user:      mrg <mrg%NetBSD.org@localhost>
date:      Mon Jun 07 14:59:14 1999 +0000

description:
add ebus attachment for cs4231.  this does not work as it requires ebus DMA and will panic if enabled.  but it should otherwise be mostly complete.

diffstat:

 sys/arch/sparc64/dev/cs4231_ebus.c |  146 +++++++++++++++++++++++++++++++++++++
 1 files changed, 146 insertions(+), 0 deletions(-)

diffs (150 lines):

diff -r 17f9b834c589 -r f5b109168167 sys/arch/sparc64/dev/cs4231_ebus.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sparc64/dev/cs4231_ebus.c        Mon Jun 07 14:59:14 1999 +0000
@@ -0,0 +1,146 @@
+/*     $NetBSD: cs4231_ebus.c,v 1.1 1999/06/07 14:59:14 mrg Exp $      */
+
+/*-
+ * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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 "audio.h"
+#if NAUDIO > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+#include <sparc64/dev/ebusreg.h>
+#include <sparc64/dev/ebusvar.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+
+#include <dev/ic/ad1848reg.h>
+#include <dev/ic/cs4231reg.h>
+#include <dev/ic/ad1848var.h>
+#include <dev/ic/cs4231var.h>
+
+#define AUDIO_ROM_NAME         "SUNW,CS4231"
+#define CS4231_REG_SIZE                16
+
+/* autoconfiguration driver */
+void   cs4231_attach_ebus __P((struct device *, struct device *, void *));
+int    cs4231_match_ebus __P((struct device *, struct cfdata *, void *));
+
+struct cfattach audiocs_ebus_ca = {
+       sizeof(struct cs4231_softc), cs4231_match_ebus, cs4231_attach_ebus
+};
+
+/* autoconfig routines */
+
+int
+cs4231_match_ebus(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       struct ebus_attach_args *ea = aux;
+
+       return (strcmp(AUDIO_ROM_NAME, ea->ea_name) == 0);
+}
+
+/*
+ * Audio chip found.
+ */
+void
+cs4231_attach_ebus(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct cs4231_softc *sc = (struct cs4231_softc *)self;
+       struct ebus_attach_args *ea = aux;
+       bus_space_handle_t bh;
+       int i;
+
+       sc->sc_bustag = ea->ea_bustag;
+       sc->sc_dmatag = ea->ea_dmatag;
+
+       sc->sc_ad1848.parent = sc;
+       sc->sc_ad1848.sc_iot = sc->sc_bustag;
+       sc->sc_ad1848.sc_readreg = cs4231_read;
+       sc->sc_ad1848.sc_writereg = cs4231_write;
+
+       /*
+        * Map my registers in, if they aren't already in virtual
+        * address space.
+        */
+       if (ea->ea_naddrs) {
+               bh = (bus_space_handle_t)ea->ea_vaddrs[0];
+       } else {
+               if (ebus_bus_map(ea->ea_bustag, 0,
+                                EBUS_PADDR_FROM_REG(&ea->ea_regs[0]),
+                                ea->ea_regs[0].size,
+                                BUS_SPACE_MAP_LINEAR,
+                                0, &bh) != 0) {
+                       printf("%s @ ebus: cannot map registers\n",
+                               self->dv_xname);
+                       return;
+               }
+       }
+
+       sc->sc_ad1848.sc_ioh = bh;
+       sc->sc_dmareg = (struct apc_dma *)(bh + CS4231_REG_SIZE);
+
+       cs4231_init(sc);
+
+       /* Put ad1848 driver in `MODE 2' mode */
+       sc->sc_ad1848.mode = 2;
+       ad1848_attach(&sc->sc_ad1848);
+
+       printf("\n");
+
+       /* sbus_establish(&sc->sc_ed, &sc->sc_ad1848.sc_dev); */
+
+       /* Establish interrupt channels */
+       for (i = 0; i < ea->ea_nintrs; i++)
+               bus_intr_establish(ea->ea_bustag,
+                                  ea->ea_intrs[i], 0,
+                                  cs4231_intr, sc);
+
+       evcnt_attach(&sc->sc_ad1848.sc_dev, "intr", &sc->sc_intrcnt);
+       audio_attach_mi(&audiocs_hw_if, sc, &sc->sc_ad1848.sc_dev);
+}
+#endif