if_name/if_unit -> if_xname/if_softc

1 files changed, 367 insertions, 0 deletions

diff --git a/sys/dev/isa/if_le_isa.c b/sys/dev/isa/if_le_isa.c
new file mode 100644
index 00000000000..44aaf16676a
--- /dev/null
+++ b/sys/dev/isa/if_le_isa.c
@@ -0,0 +1,367 @@
+/*	$NetBSD: if_le_isa.c,v 1.1 1996/05/07 01:50:05 thorpej Exp $	*/
+
+/*-
+ * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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 University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/syslog.h>
+#include <sys/socket.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#endif
+
+#include <vm/vm.h>
+
+#include <machine/cpu.h>
+#include <machine/pio.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+#include <dev/isa/isadmavar.h>
+#include <i386/isa/isa_machdep.h>
+
+#include <dev/ic/am7990reg.h>
+#include <dev/ic/am7990var.h>
+
+#include <dev/isa/if_levar.h>
+
+static char *card_type[] =
+    { "unknown", "BICC Isolan", "NE2100", "DEPCA", "PCnet-ISA" };
+
+int le_isa_probe __P((struct device *, void *, void *));
+void le_isa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach le_isa_ca = {
+	sizeof(struct le_softc), le_isa_probe, le_isa_attach
+};
+
+int depca_isa_probe __P((struct le_softc *, struct isa_attach_args *));
+int ne2100_isa_probe __P((struct le_softc *, struct isa_attach_args *));
+int bicc_isa_probe __P((struct le_softc *, struct isa_attach_args *));
+int lance_isa_probe __P((struct am7990_softc *));
+
+int le_isa_intredge __P((void *));
+
+hide void le_isa_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
+hide u_int16_t le_isa_rdcsr __P((struct am7990_softc *, u_int16_t));  
+
+hide void
+le_isa_wrcsr(sc, port, val)
+	struct am7990_softc *sc;
+	u_int16_t port, val;
+{
+
+	outw(((struct le_softc *)sc)->sc_rap, port);
+	outw(((struct le_softc *)sc)->sc_rdp, val);
+}
+
+hide u_int16_t
+le_isa_rdcsr(sc, port)
+	struct am7990_softc *sc;
+	u_int16_t port;
+{
+	u_int16_t val;
+
+	outw(((struct le_softc *)sc)->sc_rap, port);
+	val = inw(((struct le_softc *)sc)->sc_rdp);
+	return (val);
+}
+
+int
+le_isa_probe(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct le_softc *lesc = match;
+	struct isa_attach_args *ia = aux;
+
+	if (bicc_isa_probe(lesc, ia))
+		return (1);
+	if (ne2100_isa_probe(lesc, ia))
+		return (1);
+	if (depca_isa_probe(lesc, ia))
+		return (1);
+
+	return (0);
+}
+
+int
+depca_isa_probe(lesc, ia)
+	struct le_softc *lesc;
+	struct isa_attach_args *ia;
+{
+	struct am7990_softc *sc = &lesc->sc_am7990;
+	int iobase = ia->ia_iobase, port;
+	u_long sum, rom_sum;
+	u_char x;
+	int i;
+
+	lesc->sc_rap = iobase + DEPCA_RAP;
+	lesc->sc_rdp = iobase + DEPCA_RDP;
+	lesc->sc_card = DEPCA;
+
+	if (lance_isa_probe(sc) == 0)
+		return 0;
+
+	outb(iobase + DEPCA_CSR, DEPCA_CSR_DUM);
+
+	/*
+	 * Extract the physical MAC address from the ROM.
+	 *
+	 * The address PROM is 32 bytes wide, and we access it through
+	 * a single I/O port.  On each read, it rotates to the next
+	 * position.  We find the ethernet address by looking for a
+	 * particular sequence of bytes (0xff, 0x00, 0x55, 0xaa, 0xff,
+	 * 0x00, 0x55, 0xaa), and then reading the next 8 bytes (the
+	 * ethernet address and a checksum).
+	 *
+	 * It appears that the PROM can be at one of two locations, so
+	 * we just try both.
+	 */
+	port = iobase + DEPCA_ADP;
+	for (i = 0; i < 32; i++)
+		if (inb(port) == 0xff && inb(port) == 0x00 &&
+		    inb(port) == 0x55 && inb(port) == 0xaa &&
+		    inb(port) == 0xff && inb(port) == 0x00 &&
+		    inb(port) == 0x55 && inb(port) == 0xaa)
+			goto found;
+	port = iobase + DEPCA_ADP + 1;
+	for (i = 0; i < 32; i++)
+		if (inb(port) == 0xff && inb(port) == 0x00 &&
+		    inb(port) == 0x55 && inb(port) == 0xaa &&
+		    inb(port) == 0xff && inb(port) == 0x00 &&
+		    inb(port) == 0x55 && inb(port) == 0xaa)
+			goto found;
+	printf("%s: address not found\n", sc->sc_dev.dv_xname);
+	return 0;
+
+found:
+	for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
+		sc->sc_arpcom.ac_enaddr[i] = inb(port);
+
+#if 0
+	sum =
+	    (sc->sc_arpcom.ac_enaddr[0] <<  2) +
+	    (sc->sc_arpcom.ac_enaddr[1] << 10) +
+	    (sc->sc_arpcom.ac_enaddr[2] <<  1) +
+	    (sc->sc_arpcom.ac_enaddr[3] <<  9) +
+	    (sc->sc_arpcom.ac_enaddr[4] <<  0) +
+	    (sc->sc_arpcom.ac_enaddr[5] <<  8);
+	sum = (sum & 0xffff) + (sum >> 16);
+	sum = (sum & 0xffff) + (sum >> 16);
+
+	rom_sum = inb(port);
+	rom_sum |= inb(port) << 8;
+
+	if (sum != rom_sum) {
+		printf("%s: checksum mismatch; calculated %04x != read %04x",
+		    sc->sc_dev.dv_xname, sum, rom_sum);
+		return 0;
+	}
+#endif
+
+	outb(iobase + DEPCA_CSR, DEPCA_CSR_NORMAL);
+
+	ia->ia_iosize = 16;
+	ia->ia_drq = DRQUNK;
+	return 1;
+}
+
+int
+ne2100_isa_probe(lesc, ia)
+	struct le_softc *lesc;
+	struct isa_attach_args *ia;
+{
+	struct am7990_softc *sc = &lesc->sc_am7990;
+	int iobase = ia->ia_iobase;
+	int i;
+
+	lesc->sc_rap = iobase + NE2100_RAP;
+	lesc->sc_rdp = iobase + NE2100_RDP;
+	lesc->sc_card = NE2100;
+
+	if (lance_isa_probe(sc) == 0)
+		return 0;
+
+	/*
+	 * Extract the physical MAC address from the ROM.
+	 */
+	for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
+		sc->sc_arpcom.ac_enaddr[i] = inb(iobase + i);
+
+	ia->ia_iosize = 24;
+	return 1;
+}
+
+int
+bicc_isa_probe(lesc, ia)
+	struct le_softc *lesc;
+	struct isa_attach_args *ia;
+{
+	struct am7990_softc *sc = &lesc->sc_am7990;
+	int iobase = ia->ia_iobase;
+	int i;
+
+	lesc->sc_rap = iobase + BICC_RAP;
+	lesc->sc_rdp = iobase + BICC_RDP;
+	lesc->sc_card = BICC;
+
+	if (lance_isa_probe(sc) == 0)
+		return 0;
+
+	/*
+	 * Extract the physical MAC address from the ROM.
+	 */
+	for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
+		sc->sc_arpcom.ac_enaddr[i] = inb(iobase + i * 2);
+
+	ia->ia_iosize = 16;
+	return 1;
+}
+
+/*
+ * Determine which chip is present on the card.
+ */
+int
+lance_isa_probe(sc)
+	struct am7990_softc *sc;
+{
+
+	/* Stop the LANCE chip and put it in a known state. */
+	le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
+	delay(100);
+
+	if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP)
+		return 0;
+
+	le_isa_wrcsr(sc, LE_CSR3, sc->sc_conf3);
+	return 1;
+}
+
+void
+le_isa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct le_softc *lesc = (void *)self;
+	struct am7990_softc *sc = &lesc->sc_am7990;
+	struct isa_attach_args *ia = aux;
+
+	printf(": %s Ethernet\n", sc->sc_dev.dv_xname,
+	    card_type[lesc->sc_card]);
+
+	if (lesc->sc_card == DEPCA) {
+		u_char *mem, val;
+		int i;
+
+		mem = sc->sc_mem = ISA_HOLE_VADDR(ia->ia_maddr);
+
+		val = 0xff;
+		for (;;) {
+			for (i = 0; i < ia->ia_msize; i++)
+				mem[i] = val;
+			for (i = 0; i < ia->ia_msize; i++)
+				if (mem[i] != val) {
+					printf("%s: failed to clear memory\n",
+					    sc->sc_dev.dv_xname);
+					return;
+				}
+			if (val == 0x00)
+				break;
+			val -= 0x55;
+		}
+
+		sc->sc_conf3 = LE_C3_ACON;
+		sc->sc_addr = 0;
+		sc->sc_memsize = ia->ia_msize;
+	} else {
+		sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
+		if (sc->sc_mem == 0) {
+			printf("%s: couldn't allocate memory for card\n",
+			    sc->sc_dev.dv_xname);
+			return;
+		}
+
+		sc->sc_conf3 = 0;
+		sc->sc_addr = kvtop(sc->sc_mem);
+		sc->sc_memsize = 16384;
+	}
+
+	sc->sc_copytodesc = am7990_copytobuf_contig;
+	sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
+	sc->sc_copytobuf = am7990_copytobuf_contig;
+	sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
+	sc->sc_zerobuf = am7990_zerobuf_contig;
+
+	sc->sc_rdcsr = le_isa_rdcsr;
+	sc->sc_wrcsr = le_isa_wrcsr;
+	sc->sc_hwinit = NULL;
+
+	printf("%s", sc->sc_dev.dv_xname);
+	am7990_config(sc);
+
+	if (ia->ia_drq != DRQUNK)
+		isa_dmacascade(ia->ia_drq);
+
+	lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
+	    IPL_NET, le_isa_intredge, sc);
+}
+
+/*
+ * Controller interrupt.
+ */
+le_isa_intredge(arg)
+	void *arg;
+{
+
+	if (am7990_intr(arg) == 0)
+		return (0);
+	for (;;)
+		if (am7990_intr(arg) == 0)
+			return (1);
+}