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authornathanw <nathanw@NetBSD.org>1999-03-02 20:42:10 +0000
committernathanw <nathanw@NetBSD.org>1999-03-02 20:42:10 +0000
commitbd7b26e37dd693f84d696e28eddabe87a0656b71 (patch)
treed70642fa8a3b62fd6e830b1dd9e763b8fc8f36f1 /sys/dev
parent64fffdfef919ceb99b88808879dfd1236ebbc284 (diff)
Add ISA attachment for ess chips.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/isa/ess_isa.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/sys/dev/isa/ess_isa.c b/sys/dev/isa/ess_isa.c
new file mode 100644
index 00000000000..e42a4f8faf9
--- /dev/null
+++ b/sys/dev/isa/ess_isa.c
@@ -0,0 +1,133 @@
+/* $NetBSD: ess_isa.c,v 1.1 1999/03/02 20:42:10 nathanw 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_ISA_DEBUG
+#define DPRINTF(x) printf x
+#else
+#define DPRINTF(x)
+#endif
+
+int ess_isa_probe __P((struct device *, struct cfdata *, void *));
+void ess_isa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach ess_isa_ca = {
+ sizeof(struct ess_softc), ess_isa_probe, ess_isa_attach
+};
+
+int
+ess_isa_probe(parent, match, aux)
+ struct device *parent;
+ struct cfdata *match;
+ void *aux;
+{
+ int ret;
+ struct isa_attach_args *ia = aux;
+ struct ess_softc probesc, *sc= &probesc;
+
+ memset(sc, 0, sizeof *sc);
+
+ sc->sc_ic = ia->ia_ic;
+ sc->sc_iot = ia->ia_iot;
+ sc->sc_iobase = ia->ia_iobase;
+ if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
+ DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, size %x\n",
+ sc->sc_iobase, ESS_NPORT));
+ return 0;
+ }
+
+ sc->sc_in.irq = ia->ia_irq;
+ sc->sc_in.ist = IST_EDGE;
+ sc->sc_in.drq = ia->ia_drq;
+ sc->sc_out.irq = ia->ia_irq;
+ sc->sc_out.ist = IST_EDGE;
+ sc->sc_out.drq = ia->ia_drq2;
+
+ ret = essmatch(sc);
+
+ bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT);
+
+ if (ret)
+ DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret));
+ else
+ DPRINTF(("ess_isa_probe failed]n"));
+
+ return ret;
+}
+
+void ess_isa_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_iobase = ia->ia_iobase;
+ if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
+ DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, size %x\n",
+ sc->sc_iobase, ESS_NPORT));
+ return;
+ }
+
+ sc->sc_in.irq = ia->ia_irq;
+ sc->sc_in.ist = IST_EDGE;
+ sc->sc_in.drq = ia->ia_drq;
+ sc->sc_out.irq = ia->ia_irq;
+ sc->sc_out.ist = IST_EDGE;
+ sc->sc_out.drq = ia->ia_drq;
+
+ printf("%s:", sc->sc_dev.dv_xname);
+
+ essattach(sc);
+}