Myson MTD972 driver.

3 files changed, 335 insertions, 1 deletions

diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii
index 13a5a12c5f5..bcb574d20c2 100644
--- a/sys/dev/mii/files.mii
+++ b/sys/dev/mii/files.mii
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.mii,v 1.3 1998/11/18 20:11:31 jason Exp $
+#	$OpenBSD: files.mii,v 1.4 1998/12/28 03:37:55 jason Exp $
 #	$NetBSD: files.mii,v 1.13 1998/11/05 00:36:48 thorpej Exp $
 
 file    dev/mii/mii.c				mii
@@ -37,6 +37,10 @@ device lxtphy: mii_phy
 attach lxtphy at mii
 file dev/mii/lxtphy.c				lxtphy
 
+device mtdphy: mii_phy, ukphy_subr
+attach mtdphy at mii
+file dev/mii/mtdphy.c				mtdphy
+
 device icsphy: mii_phy
 attach icsphy at mii
 file dev/mii/icsphy.c				icsphy
diff --git a/sys/dev/mii/mtdphy.c b/sys/dev/mii/mtdphy.c
new file mode 100644
index 00000000000..0907a470e27
--- /dev/null
+++ b/sys/dev/mii/mtdphy.c
@@ -0,0 +1,222 @@
+/*	$OpenBSD: mtdphy.c,v 1.1 1998/12/28 03:37:55 jason Exp $	*/
+
+/*
+ * Copyright (c) 1998 Jason L. Wright (jason@thought.net)
+ * 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 Jason L. Wright
+ * 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 the Myson Technology MTD972 100BaseTX PCS/PMA.
+ */
+
+#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 <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/mtdphyreg.h>
+
+int	mtdphymatch __P((struct device *, void *, void *));
+void	mtdphyattach __P((struct device *, struct device *, void *));
+
+struct cfattach mtdphy_ca = {
+	sizeof(struct mii_softc), mtdphymatch, mtdphyattach
+};
+
+struct cfdriver mtdphy_cd = {
+	NULL, "mtdphy", DV_DULL
+};
+
+int	mtdphy_service __P((struct mii_softc *, struct mii_data *, int));
+
+int
+mtdphymatch(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_MYSON &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_MYSON_MTD972)
+		return (10);
+
+	return (0);
+}
+
+void
+mtdphyattach(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_MYSON_MTD972, MII_REV(ma->mii_id2));
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = mtdphy_service;
+	sc->mii_pdata = mii;
+
+	ifmedia_add(&mii->mii_media,
+	    IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+	    BMCR_ISO, NULL);
+	ifmedia_add(&mii->mii_media,
+	    IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
+	    BMCR_LOOP | BMCR_S100, NULL);
+
+	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(mii, sc->mii_capabilities,
+		    sc->mii_inst);
+	printf("\n");
+}
+
+int
+mtdphy_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 interface is not up, don't do anything.
+		 */
+		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 ((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);
+			break;
+
+		case IFM_100_TX:
+			PHY_WRITE(sc, MII_ANAR,
+			    mii_anar(ife->ifm_media));
+
+			reg = BMCR_ISO | BMCR_S100;
+			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
+				reg |= BMCR_FDX;
+			PHY_WRITE(sc, MII_BMCR, reg);
+			delay(75000);
+
+			reg &= ~BMCR_ISO;
+			PHY_WRITE(sc, MII_BMCR, reg);
+			break;
+
+		case IFM_100_T4:
+			/*
+			 * Not supported by MTD972.
+			 */
+			return (EINVAL);
+		default:
+			/*
+			 * BMCR data is stored in the ifmedia entry.
+			 */
+			PHY_WRITE(sc, MII_ANAR,
+			    mii_anar(ife->ifm_media));
+			PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
+		}
+		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);
+
+		/*
+		 * The MTD972 autonegotiation doesn't need to be
+		 * kicked; it continues in the background.
+		 */
+		break;
+	}
+
+	/* Update the media status. */
+	ukphy_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);
+}
diff --git a/sys/dev/mii/mtdphyreg.h b/sys/dev/mii/mtdphyreg.h
new file mode 100644
index 00000000000..aa2c937765f
--- /dev/null
+++ b/sys/dev/mii/mtdphyreg.h
@@ -0,0 +1,108 @@
+/*	$OpenBSD: mtdphyreg.h,v 1.1 1998/12/28 03:37:55 jason Exp $	*/
+
+/*
+ * Copyright (c) 1998 Jason L. Wright (jason@thought.net)
+ * 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 Jason L. Wright
+ * 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.
+ */
+
+#ifndef _DEV_MII_MTDPHYREG_H_
+#define	_DEV_MII_MTDPHYREG_H_
+
+/*
+ * Myson MTD972 registers.
+ */
+
+#define	MII_MTDPHY_ANNPTR	0x07	/* Auto-Neg Next Page Tx Register */
+#define	ANNPTR_NEXT		0x8000	/* Next Page */
+#define	ANNPTR_ACK		0x4000	/* Acknowledge */
+#define	ANNPTR_MPG		0x2000	/* Message Page */
+#define	ANNPTR_ACK2		0x1000	/* Acknowledge 2 */
+#define	ANNPTR_TOGGLE		0x0800	/* Toggle */
+#define	ANNPTR_DAT		0x0400	/* Data */
+
+#define	MII_MTDPHY_DCR		0x12	/* Disconnect Register */
+	/* count of the number of partitions */
+
+#define	MII_MTDPHY_FCSCR	0x13	/* False Carrier Sense Counter Reg */
+	/* count of the number of false carrier senses */
+
+#define	MII_MTDPHY_RECR		0x15	/* Receive Error Condition Register */
+	/* count of the number of receive errors */
+
+#define	MII_MTDPHY_RR		0x16	/* Revision Register */
+	/* revision of the MTD972 */
+
+#define	MII_MTDPHY_PCR		0x17	/* PHY Configuration Register */
+#define	PCR_NRZIEN		0x8000	/* NRZI Encode/Decode Enable */
+#define	PCR_TOCEL		0x4000	/* Descrambler Time Out Select */
+#define	PCR_TODIS		0x2000	/* Descrambler Time Out Disable */
+#define	PCR_RPTR		0x1000	/* Enable Repeater mode */
+#define	PCR_ENCSEL		0x0800	/* PMD ENCSEL pin control */
+#define	PCR_20MENB		0x0100	/* 20Mhz output enable */
+#define	PCR_25MDIS		0x0080	/* 25Mhz output disable */
+#define	PCR_FGLNKTX		0x0040	/* Force link status good */
+#define	PCR_FCONNT		0x0020	/* Bypass disconnect function */
+#define	PCR_TXOFF		0x0010	/* Turn off TX */
+#define	PCR_LEDTSL		0x0002	/* LED T display select */
+#define	PCR_LEDPSL		0x0001	/* LED P display select */
+
+#define	MII_MTDPHY_LBCR		0x18	/* Loopback and Bypass Control Reg */
+#define	LBCR_BP4B5B		0x4000	/* Bypass */
+#define	LBCR_BPSCRM		0x2000	/* Bypass */
+#define	LBCR_BPALGN		0x1000	/* Bypass symbol alignment */
+#define	LBCR_LBK10		0x0800	/* Loopback control for 10BT */
+#define	LBCR_LBK1		0x0200	/* Loopback control 1 for PMD */
+#define	LBCR_LBK0		0x0100	/* Loopback control 0 for PMD */
+#define	LBCR_FDCRS		0x0040	/* Full duplex CRS function */
+#define	LBCR_CERR		0x0010	/* Code Error */
+#define	LBCR_PERR		0x0008	/* Premature Error */
+#define	LBCR_LERR		0x0004	/* Link Error */
+#define	LBCR_FERR		0x0002	/* Frame Error */
+
+#define	MII_MTDPHY_PAR		0x19	/* PHY Address Register */
+#define	PAR_ANS			0x0400	/* State of autonegotiation */
+#define	PAR_FEFE		0x0100	/* Far End Fault Enable */
+#define	PAR_DPLX		0x0080	/* Duplex status */
+#define	PAR_SPD			0x0040	/* Speed status */
+#define	PAR_CONN		0x0020	/* Connection status */
+#define	PAR_PHYADDR_MASK	0x001f	/* PHY address mask */
+
+#define	MII_MTDPHY_10SR		0x1b	/* 10baseT Status Register */
+#define	TENSR_10BTSER		0x0200	/* Serial mode for 10BaseT interface */
+#define	TENSR_POLST		0x0001	/* Polarity state */
+
+#define	MII_MTDPHY_10CR		0x1c	/* 10baseT Control Register */
+#define	TENCR_LOE		0x0020	/* Link Pulse Ouput Enable */
+#define	TENCR_HBE		0x0010	/* HeartBeat Enable */
+#define	TENCR_UTPV		0x0008	/* TPOV=1, TPOI=0 */
+#define	TENCR_LSS		0x0004	/* Low Squelch Select */
+#define	TENCR_PENB		0x0002	/* Parity Enable */
+#define	TENCR_JEN		0x0001	/* Jabber Enable */
+
+#endif /* _DEV_MII_MTDPHYREG_H_ */