New PnP 'ep' driver.

1 files changed, 134 insertions, 0 deletions

diff --git a/sys/dev/isa/if_ep_isapnp.c b/sys/dev/isa/if_ep_isapnp.c
new file mode 100644
index 00000000000..8ef80e6525b
--- /dev/null
+++ b/sys/dev/isa/if_ep_isapnp.c
@@ -0,0 +1,134 @@
+/*	$OpenBSD: if_ep_isapnp.c,v 1.1 1998/03/20 05:58:08 dgregor Exp $	*/
+/*	$NetBSD: if_ep_isapnp.c,v 1.5 1996/05/12 23:52:36 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1996 Jason R. Thorpe <thorpej@beer.org>
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Herb Peyerl.
+ * 4. The name of Herb Peyerl 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.
+ *
+ * Note: Most of the code here was written by Theo de Raadt originally,
+ * ie. all the mechanics of probing for all cards on first call and then
+ * searching for matching devices on subsequent calls.
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+#include <sys/queue.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/netisr.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/ic/elink3var.h>
+#include <dev/ic/elink3reg.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/elink.h>
+
+int ep_isapnp_match __P((struct device *, void *, void *));
+void ep_isapnp_attach __P((struct device *, struct device *, void *));
+
+struct cfattach ep_isapnp_ca = {
+	sizeof(struct ep_softc), ep_isapnp_match, ep_isapnp_attach
+};
+
+/*
+ * 3c509 cards on the ISA bus are probed in ethernet address order.
+ * The probe sequence requires careful orchestration, and we'd like
+ * like to allow the irq and base address to be wildcarded. So, we
+ * probe all the cards the first time epprobe() is called. On subsequent
+ * calls we look for matching cards.
+ */
+int
+ep_isapnp_match(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	/* XXX This should be more intelligent */
+	return 1;
+}
+
+void
+ep_isapnp_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct ep_softc *sc = (void *)self;
+	struct isa_attach_args *ia = aux;
+	bus_space_tag_t iot = ia->ia_iot;
+	bus_space_handle_t ioh;
+	int chipset;
+
+	sc->sc_iot = iot = ia->ia_iot;
+	sc->sc_ioh = ioh = ia->ipa_io[0].h;
+	sc->bustype = EP_BUS_ISA;
+
+	/* XXX This probably isn't right.  We should use the PnP ID instead. */
+	chipset = htons(epreadeeprom(iot, ioh, EEPROM_PROD_ID));
+	if ((chipset & 0xfff0) == PROD_ID_3C509) {
+		printf(": 3Com 3C509 Ethernet");
+		epconfig(sc, EP_CHIPSET_3C509);
+	} else {
+		/*
+		 * XXX: Maybe a 3c515, but the check in ep_isapnp_probe looks
+		 * at the moment only for a 3c509.
+		 */
+		printf(": unknown card %04x", chipset);
+		epconfig(sc, EP_CHIPSET_UNKNOWN);
+	}
+
+	sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
+	    IPL_NET, epintr, sc, sc->sc_dev.dv_xname);
+}