Add MII routines to support the ASIX AX88190 MAC controller; from NetBSD.

1 files changed, 192 insertions, 0 deletions

diff --git a/sys/dev/ic/ax88190.c b/sys/dev/ic/ax88190.c
new file mode 100644
index 00000000000..9e3acfc87fb
--- /dev/null
+++ b/sys/dev/ic/ax88190.c
@@ -0,0 +1,192 @@
+/*	$OpenBSD: ax88190.c,v 1.1 2001/08/18 16:15:39 aaron Exp $	*/
+/*	$NetBSD$	*/
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Enami Tsugutomo.
+ *
+ * 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 <sys/socket.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/if_media.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
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/mii/miivar.h>
+#include <dev/mii/mii.h>
+#include <dev/mii/mii_bitbang.h>
+
+#include <dev/ic/dp8390reg.h>
+#include <dev/ic/dp8390var.h>
+
+#include <dev/ic/ne2000reg.h>
+#include <dev/ic/ne2000var.h>
+
+#include <dev/ic/ax88190reg.h>
+#include <dev/ic/ax88190var.h>
+
+int	ax88190_mii_readreg(struct device *, int, int);
+void	ax88190_mii_writereg(struct device *, int, int, int);
+void	ax88190_mii_statchg(struct device *);
+
+/*
+ * MII bit-bang glue.
+ */
+u_int32_t	ax88190_mii_bitbang_read(struct device *);
+void		ax88190_mii_bitbang_write(struct device *, u_int32_t);
+
+const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
+	ax88190_mii_bitbang_read,
+	ax88190_mii_bitbang_write,
+	{
+		AX88190_MEMR_MDO,	/* MII_BIT_MDO */
+		AX88190_MEMR_MDI,	/* MII_BIT_MDI */
+		AX88190_MEMR_MDC,	/* MII_BIT_MDC */
+		0,			/* MII_BIT_DIR_HOST_PHY */
+		AX88190_MEMR_MDIR,	/* MII_BIT_DIR_PHY_HOST */
+	}
+};
+
+void
+ax88190_media_init(struct dp8390_softc *sc)
+{
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+
+	sc->sc_mii.mii_ifp = ifp;
+	sc->sc_mii.mii_readreg = ax88190_mii_readreg;
+	sc->sc_mii.mii_writereg = ax88190_mii_writereg;
+	sc->sc_mii.mii_statchg = ax88190_mii_statchg;
+	ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange,
+	    dp8390_mediastatus);
+
+	mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
+	    MII_OFFSET_ANY, 0);
+
+	if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
+		ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
+		    NULL);
+		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
+	} else
+		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
+}
+
+void
+ax88190_media_fini(struct dp8390_softc *sc)
+{
+	mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
+}
+
+int
+ax88190_mediachange(struct dp8390_softc *sc)
+{
+	mii_mediachg(&sc->sc_mii);
+	return (0);
+}
+
+void
+ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
+{
+	mii_pollstat(&sc->sc_mii);
+	ifmr->ifm_status = sc->sc_mii.mii_media_status;
+	ifmr->ifm_active = sc->sc_mii.mii_media_active;
+}
+
+void
+ax88190_init_card(struct dp8390_softc *sc)
+{
+	mii_mediachg(&sc->sc_mii);
+}
+
+void
+ax88190_stop_card(struct dp8390_softc *sc)
+{
+	mii_down(&sc->sc_mii);
+}
+
+u_int32_t
+ax88190_mii_bitbang_read(self)
+	struct device *self;
+{
+	struct ne2000_softc *sc = (void *)self;
+
+	return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
+}
+
+void
+ax88190_mii_bitbang_write(self, val)
+	struct device *self;
+	u_int32_t val;
+{
+	struct ne2000_softc *sc = (void *)self;
+
+	bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
+}
+
+int
+ax88190_mii_readreg(self, phy, reg)
+	struct device *self;
+	int phy, reg;
+{
+	return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
+}
+
+void
+ax88190_mii_writereg(self, phy, reg, val)
+	struct device *self;
+	int phy, reg, val;
+{
+	mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
+}
+
+void
+ax88190_mii_statchg(self)
+	struct device *self;
+{
+	/* XXX */
+}