driver for National Semiconductor 83843; from NetBSD.

3 files changed, 445 insertions, 1 deletions

diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii
index 44aea8f9701..577b6363d28 100644
--- a/sys/dev/mii/files.mii
+++ b/sys/dev/mii/files.mii
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.mii,v 1.6 1999/12/07 22:01:29 jason Exp $
+#	$OpenBSD: files.mii,v 1.7 1999/12/07 22:33:43 jason Exp $
 #	$NetBSD: files.mii,v 1.13 1998/11/05 00:36:48 thorpej Exp $
 
 file    dev/mii/mii.c				mii
@@ -17,6 +17,10 @@ device nsphy: mii_phy
 attach nsphy at mii
 file dev/mii/nsphy.c				nsphy
 
+device nsphyter: mii_phy
+attach nsphyter at mii
+file dev/mii/nsphyter.c				nsphyter
+
 device qsphy: mii_phy
 attach qsphy at mii
 file dev/mii/qsphy.c				qsphy
diff --git a/sys/dev/mii/nsphyter.c b/sys/dev/mii/nsphyter.c
new file mode 100644
index 00000000000..53e4147b365
--- /dev/null
+++ b/sys/dev/mii/nsphyter.c
@@ -0,0 +1,302 @@
+/*	$OpenBSD: nsphyter.c,v 1.1 1999/12/07 22:33:43 jason Exp $	*/
+/*	$NetBSD: nsphyter.c,v 1.1 1999/12/07 19:36:37 thorpej Exp $	*/
+
+/*-
+ * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1997 Manuel Bouyer.  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 Manuel Bouyer.
+ * 4. The name of the author 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.
+ */
+
+/*
+ * driver for National Semiconductor's DP83843 `PHYTER' ethernet 10/100 PHY
+ * Data Sheet available from www.national.com
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/miidevs.h>
+
+#include <dev/mii/nsphyterreg.h>
+
+int	nsphytermatch __P((struct device *, void *, void *));
+void	nsphyterattach __P((struct device *, struct device *, void *));
+
+struct cfattach nsphyter_ca = {
+	sizeof(struct mii_softc), nsphytermatch, nsphyterattach
+};
+
+struct cfdriver nsphyter_cd = {
+	NULL, "nsphy", DV_DULL
+};
+
+int	nsphyter_service __P((struct mii_softc *, struct mii_data *, int));
+void	nsphyter_status __P((struct mii_softc *));
+
+int
+nsphytermatch(parent, match, aux)
+	struct device *parent;
+	void *match;
+	void *aux;
+{
+	struct mii_attach_args *ma = aux;
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_NATSEMI &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_NATSEMI_DP83843)
+		return (10);
+
+	return (0);
+}
+
+void
+nsphyterattach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct mii_softc *sc = (struct mii_softc *)self;
+	struct mii_attach_args *ma = aux;
+	struct mii_data *mii = ma->mii_data;
+
+	printf(": %s, rev. %d\n", MII_STR_NATSEMI_DP83843,
+	    MII_REV(ma->mii_id2));
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = nsphyter_service;
+	sc->mii_pdata = mii;
+
+	mii_phy_reset(sc);
+
+	sc->mii_capabilities =
+	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+	printf("%s: ", sc->mii_dev.dv_xname);
+	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0)
+		printf("no media present");
+	else
+		mii_add_media(sc);
+	printf("\n");
+}
+
+int
+nsphyter_service(sc, mii, cmd)
+	struct mii_softc *sc;
+	struct mii_data *mii;
+	int cmd;
+{
+	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+	int reg;
+
+	switch (cmd) {
+	case MII_POLLSTAT:
+		/*
+		 * If we're not polling our PHY instance, just return.
+		 */
+		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
+			return (0);
+		break;
+
+	case MII_MEDIACHG:
+		/*
+		 * If the media indicates a different PHY instance,
+		 * isolate ourselves.
+		 */
+		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
+			reg = PHY_READ(sc, MII_BMCR);
+			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
+			return (0);
+		}
+
+		/*
+		 * If the interface is not up, don't do anything.
+		 */
+		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+			break;
+
+		switch (IFM_SUBTYPE(ife->ifm_media)) {
+		case IFM_AUTO:
+			/*
+			 * If we're already in auto mode, just return.
+			 */
+			if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
+				return (0);
+			(void) mii_phy_auto(sc, 1);
+			break;
+		default:
+			mii_phy_setmedia(sc);
+		}
+		break;
+
+	case MII_TICK:
+		/*
+		 * If we're not currently selected, just return.
+		 */
+		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
+			return (0);
+
+		/*
+		 * Only used for autonegotiation.
+		 */
+		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
+			return (0);
+
+		/*
+		 * Is the interface even up?
+		 */
+		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+			return (0);
+
+		/*
+		 * Check to see if we have link.  If we do, we don't
+		 * need to restart the autonegotiation process.  Read
+		 * the BMSR twice in case it's latched.
+		 */
+		reg = PHY_READ(sc, MII_BMSR) |
+		    PHY_READ(sc, MII_BMSR);
+		if (reg & BMSR_LINK)
+			return (0);
+
+		/*
+		 * Only retry autonegotiation every 5 seconds.
+		 */
+		if (++sc->mii_ticks != 5)
+			return (0);
+
+		sc->mii_ticks = 0;
+		mii_phy_reset(sc);
+		if (mii_phy_auto(sc, 0) == EJUSTRETURN)
+			return (0);
+		break;
+
+	case MII_DOWN:
+		mii_phy_down(sc);
+		return (0);
+	}
+
+	/* Update the media status. */
+	nsphyter_status(sc);
+
+	/* Callback if something changed. */
+	if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
+		(*mii->mii_statchg)(sc->mii_dev.dv_parent);
+		sc->mii_active = mii->mii_media_active;
+	}
+	return (0);
+}
+
+void
+nsphyter_status(sc)
+	struct mii_softc *sc;
+{
+	struct mii_data *mii = sc->mii_pdata;
+	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+	int bmsr, bmcr, physts;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
+	physts = PHY_READ(sc, MII_NSPHYTER_PHYSTS);
+
+	if (physts & PHYSTS_LINK)
+		mii->mii_media_status |= IFM_ACTIVE;
+
+	bmcr = PHY_READ(sc, MII_BMCR);
+	if (bmcr & BMCR_ISO) {
+		mii->mii_media_active |= IFM_NONE;
+		mii->mii_media_status = 0;
+		return;
+	}
+
+	if (bmcr & BMCR_LOOP)
+		mii->mii_media_active |= IFM_LOOP;
+
+	if (bmcr & BMCR_AUTOEN) {
+		/*
+		 * The media status bits are only valid of autonegotiation
+		 * has completed (or it's disabled).
+		 */
+		if ((bmsr & BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+
+		if (physts & PHYSTS_SPEED10)
+			mii->mii_media_active |= IFM_10_T;
+		else
+			mii->mii_media_active |= IFM_100_TX;
+		if (physts & PHYSTS_DUPLEX)
+			mii->mii_media_active |= IFM_FDX;
+	} else
+		mii->mii_media_active = ife->ifm_media;
+}
diff --git a/sys/dev/mii/nsphyterreg.h b/sys/dev/mii/nsphyterreg.h
new file mode 100644
index 00000000000..14a98ba7d7f
--- /dev/null
+++ b/sys/dev/mii/nsphyterreg.h
@@ -0,0 +1,138 @@
+/*	$OpenBSD: nsphyterreg.h,v 1.1 1999/12/07 22:33:43 jason Exp $	*/
+/*	$NetBSD: nsphyterreg.h,v 1.1 1999/12/07 19:36:37 thorpej Exp $	*/
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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.
+ */
+
+#ifndef _DEV_MII_NSPHYTERREG_H_
+#define	_DEV_MII_NSPHYTERREG_H_
+
+/*
+ * DP83843 registers.
+ */
+
+#define	MII_NSPHYTER_PHYSTS	0x10	/* PHY status */
+#define	PHYSTS_REL		0x8000	/* receive error latch */
+#define	PHYSTS_CIML		0x4000	/* CIM latch */
+#define	PHYSTS_FCSL		0x2000	/* false carrier sense latch */
+#define	PHYSTS_DEVRDY		0x0800	/* device ready */
+#define	PHYSTS_PGRX		0x0400	/* page received */
+#define	PHYSTS_ANEGEN		0x0200	/* autoneg. enabled */
+#define	PHYSTS_MIIINTR		0x0100	/* MII interrupt */
+#define	PHYSTS_REMFAULT		0x0080	/* remote fault */
+#define	PHYSTS_JABBER		0x0040	/* jabber detect */
+#define	PHYSTS_NWAYCOMP		0x0020	/* NWAY complete */
+#define	PHYSTS_RESETSTAT	0x0010	/* reset status */
+#define	PHYSTS_LOOPBACK		0x0008	/* loopback status */
+#define	PHYSTS_DUPLEX		0x0004	/* full duplex */
+#define	PHYSTS_SPEED10		0x0002	/* speed == 10Mb/s */
+#define	PHYSTS_LINK		0x0001	/* link up */
+
+
+#define	MII_NSPHYTER_MIPSCR	0x11	/* MII interrupt PHY specific
+					   control */
+
+#define	MIPSCR_INTEN		0x0002	/* interrupt enable */
+#define	MIPSCR_TINT		0x0001	/* test interrupt */
+
+
+#define	MII_NSPHYTER_MIPGSR	0x12	/* MII interrupt PHY generic
+					   status */
+#define	MIPGSR_MINT		0x8000	/* MII interrupt pending */
+
+#define	MII_NSPHYTER_DCR	0x13	/* Disconnect counter */
+
+#define	MII_NSPHYTER_FCSCR	0x14	/* False carrier sense counter */
+
+#define	MII_NSPHYTER_RECR	0x15	/* Receive error counter */
+
+
+#define	MII_NSPHYTER_PCSR	0x16	/* PCS configuration and status */
+#define	PCSR_SINGLE_SD		0x8000	/* single-ended SD mode */
+#define	PCSR_FEFI_EN		0x4000	/* far end fault indication mode */
+#define	PCSR_DESCR_TO_RST	0x2000	/* reset descrambler timeout counter */
+#define	PCSR_DESCR_TO_SEL	0x1000	/* descrambler timer mode */
+#define	PCSR_DESCR_TO_DIS	0x0800	/* descrambler timer disable */
+#define	PCSR_LD_SCR_SD		0x0400	/* load scrambler seed */
+#define	PCSR_TX_QUIET		0x0200	/* 100Mb/s transmit true quiet mode */
+#define	PCSR_TX_PATTERN		0x0180	/* 100Mb/s transmit test pattern */
+#define	PCSR_F_LINK_100		0x0040	/* force good link in 100Mb/s */
+#define	PCSR_CIM_DIS		0x0020	/* carrier integrity monitor disable */
+#define	PCSR_CIM_STATUS		0x0010	/* carrier integrity monitor status */
+#define	PCSR_CODE_ERR		0x0008	/* code errors */
+#define	PCSR_PME_ERR		0x0004	/* premature end errors */
+#define	PCSR_LINK_ERR		0x0002	/* link errors */
+#define	PCSR_PKT_ERR		0x0001	/* packet errors */
+
+
+#define	MII_NSPHYTER_LBR	0x17	/* loopback and bypass */
+#define	LBR_BP_STRETCH		0x4000	/* bypass LED stretching */
+#define	LBR_BP_4B5B		0x2000	/* bypass encoding/decoding */
+#define	LBR_BP_SCR		0x1000	/* bypass scrambler/descrambler */
+#define	LBR_BP_RX		0x0800	/* bypass receive function */
+#define	LBR_BP_TX		0x0400	/* bypass transmit function */
+#define	LBR_100_DP_CTL		0x0380	/* 100Mb/s data patch control */
+#define	LBR_TW_LBEN		0x0020	/* TWISTER loopback enable */
+#define	LBR_10_ENDEC_LB		0x0010	/* 10Mb/s ENDEC loopback */
+
+
+#define	MII_NSPHYTER_10BTSCR	0x18	/* 10baseT status and control */
+#define	BTSCR_AUI_TPI		0x2000	/* TREX operating mode */
+#define	BTSCR_RX_SERIAL		0x1000	/* 10baseT RX serial mode */
+#define	BTSCR_TX_SERIAL		0x0800	/* 10baseT TX serial mode */
+#define	BTSCR_POL_DS		0x0400	/* polarity detection and correction
+					   disable */
+#define	BTSCR_AUTOSW_EN		0x0200	/* AUI/TPI autoswitch */
+#define	BTSCR_LP_DS		0x0100	/* link pulse disable */
+#define	BTSCR_HB_DS		0x0080	/* heartbeat disabled */
+#define	BTSCR_LS_SEL		0x0040	/* low squelch select */
+#define	BTSCR_AUI_SEL		0x0020	/* AUI select */
+#define	BTSCR_JAB_DS		0x0010	/* jabber disable */
+#define	BTSCR_THIN_SEL		0x0008	/* thin ethernet select */
+#define	BTSCR_TX_FILT_DS	0x0004	/* TPI receive filter disable */
+
+
+#define	MII_NSPHYTER_PHYCTRL	0x19	/* PHY control */
+#define	PHYCTRL_TW_EQSEL	0x3000	/* TWISTER e.q. select */
+#define	PHYCTRL_BLW_DS		0x0800	/* TWISTER base line wander disable */
+#define	PHYCTRL_REPEATER	0x0200	/* repeater mode */
+#define	PHYCTRL_LED_TXRX_MODE	0x0180	/* LED TX/RX mode */
+#define	PHYCTRL_LED_DUP_MODE	0x0040	/* LED DUP mode */
+#define	PHYCTRL_FX_EN		0x0020	/* Fiber mode enable */
+#define	PHYCTRL_PHYADDR		0x001f	/* PHY address */
+
+#endif /* _DEV_MII_NSPHYTERREG_H_ */