RangeLAN2 ISA

2 files changed, 151 insertions, 1 deletions

diff --git a/sys/dev/isa/files.isa b/sys/dev/isa/files.isa
index fbfc64b29e7..0358e7b81df 100644
--- a/sys/dev/isa/files.isa
+++ b/sys/dev/isa/files.isa
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.isa,v 1.59 1999/07/25 04:38:26 csapuntz Exp $
+#	$OpenBSD: files.isa,v 1.60 1999/07/31 06:10:04 d Exp $
 #	$NetBSD: files.isa,v 1.21 1996/05/16 03:45:55 mycroft Exp $
 #
 # Config file and device description for machine-independent ISA code.
@@ -219,6 +219,10 @@ file	dev/isa/if_le_isa.c		le_isa
 attach	sm at isa with sm_isa
 file	dev/isa/if_sm_isa.c		sm_isa
 
+# RangeLAN2 wireless network
+attach	rln at isa with rln_isa
+file	dev/isa/if_rln_isa.c		rln_isa
+
 #
 # ISA Sound hardware
 #
diff --git a/sys/dev/isa/if_rln_isa.c b/sys/dev/isa/if_rln_isa.c
new file mode 100644
index 00000000000..4898f44746d
--- /dev/null
+++ b/sys/dev/isa/if_rln_isa.c
@@ -0,0 +1,146 @@
+/*	$OpenBSD: if_rln_isa.c,v 1.1 1999/07/31 06:10:04 d Exp $	*/
+
+/*
+ * David Leonard <d@openbsd.org>, 1999. Public domain.
+ *
+ * RangeLAN2 ISA card.
+ *
+ * The DIP switch settings on the card to set the i/o base address are
+ *
+ *     addr: 1 2 3 4 5 6 7  ['X' = on = down = towards the red/green leds]
+ *	100: - - - - - X -
+ *	120: - - X - - X -
+ *	140: - - - X - X -
+ *	218: X X - - - - X
+ *	270: - X X X - - X  [default]
+ *	280: - - - - X - X
+ *	290: - X - - X - X
+ *	298: X X - - X - X
+ *	2a0: - - X - X - X
+ *	2a8: X - X - X - X
+ *	2e0: - - X X X - X
+ *	300: - - - - - X X
+ *	310: - X - - - X X
+ *	358: X X - X - X X
+ *	360: - - X X - X X
+ *	368: X - X X - X X
+ *
+ * PnP:
+ *	PXM0100 "Symphony Cordless PnP ISA Card"
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/socket.h>
+#include <sys/device.h>
+#include <sys/queue.h>
+
+#include <net/if.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/ic/rln.h>
+#include <dev/ic/rlnvar.h>
+#include <dev/ic/rlnreg.h>
+
+#include <dev/isa/isavar.h>
+
+static int rln_isa_probe __P((struct device *, void *, void *));
+static void rln_isa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach rln_isa_ca = {
+	sizeof(struct rln_softc), rln_isa_probe, rln_isa_attach
+};
+
+static const int rln_irq[] = {
+	3, 4, 5, 7, 10, 11, 12, 15
+};
+#define NRLN_IRQ	(sizeof(rln_irq) / sizeof(rln_irq[0]))
+
+static int
+rln_isa_probe(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct isa_attach_args *ia = aux;
+	struct rln_softc *sc = match;
+
+	/*
+	 * The i/o base addr is set by the dip switches
+	 * and must be specified in the kernel config.
+	 */
+	if (ia->ia_iobase == IOBASEUNK)
+		return (0);
+
+	/* Attempt a card reset through the io ports */
+	sc->sc_iot = ia->ia_iot;
+	sc->sc_width = 0;	/* Force width probe */
+	if (bus_space_map(sc->sc_iot, ia->ia_iobase, RLN_NPORTS, 0, 
+	    &sc->sc_ioh))
+		return (0);
+
+	if (rln_reset(sc)) {
+		bus_space_unmap(sc->sc_iot, sc->sc_ioh, RLN_NPORTS);
+		return (0);
+	}
+
+	ia->ia_iosize = RLN_NPORTS;
+	return (1);
+}
+
+static void
+rln_isa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct rln_softc *sc = (void *)self;
+	struct isa_attach_args *ia = aux;
+	int irq = ia->ia_irq;
+	int mask;
+	int i;
+
+	if (irq == IRQUNK) {
+		/* Allocate a valid IRQ. */
+		mask = 0;
+		for (i = 0; i < NRLN_IRQ; i++)
+			mask |= (1 << rln_irq[i]);
+		if (isa_intr_alloc(ia->ia_ic, mask, IST_EDGE, &irq))
+			panic("rln_isa_attach: can't allocate irq");
+	} 
+#ifdef DIAGNOSTIC
+	else {
+		/* Check given IRQ is valid. */
+		for (i = 0; i < NRLN_IRQ; i++)
+			if (irq == rln_irq[i])
+				break;
+		if (i == NRLN_IRQ)
+			printf("rln_isa_probe: using invalid irq %d\n", irq);
+	}
+#endif
+
+	printf(":");
+
+	sc->sc_ih = isa_intr_establish(ia->ia_ic, irq, IST_EDGE,
+	    IPL_NET, rlnintr, sc, sc->sc_dev.dv_xname);
+#ifdef DIAGNOSTIC
+	if (sc->sc_ih == NULL)
+		panic("rln_isa_attach: couldn't establish interrupt");
+#endif
+
+	/* Tell the card which IRQ to use. */
+	sc->sc_irq = irq;
+	sc->sc_width = 0;	/* re-probe width */
+
+	printf("%s: RangeLAN2 7100", sc->sc_dev.dv_xname);
+	rlnconfig(sc);
+	printf("\n");
+}