rtl8139 (FreeBSD version): added rlphy miibus support, needs testing.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21098 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/drivers/network/rtl8139/Jamfile

@@ -55,4 +55,5 @@ PackageDriverSymLink haiku-networkingkit-cvs : net rtl8139 ;
 #	rtl8139.settings :
 #	boot home config settings kernel drivers sample ;
 
+SubInclude HAIKU_TOP src add-ons kernel drivers network rtl8139 dev ;
 SubInclude HAIKU_TOP src add-ons kernel drivers network rtl8139 pci ;

src/add-ons/kernel/drivers/network/rtl8139/dev/Jamfile

@@ -0,0 +1,3 @@
+SubDir HAIKU_TOP src add-ons kernel drivers network rtl8139 dev ;
+
+SubInclude HAIKU_TOP src add-ons kernel drivers network rtl8139 dev mii ;

src/add-ons/kernel/drivers/network/rtl8139/dev/mii/Jamfile

@@ -0,0 +1,13 @@
+SubDir HAIKU_TOP src add-ons kernel drivers network rtl8139 dev mii ;
+
+UsePrivateHeaders kernel net ;
+
+UseHeaders [ FDirName $(SUBDIR) .. .. ] : true ;
+UseHeaders [ FDirName $(HAIKU_TOP) src libs compat freebsd_network compat ] : true ;
+
+SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 ] ;
+
+KernelStaticLibrary rtl8139exp_mii.a
+	: rlphy.c
+	;
+

src/add-ons/kernel/drivers/network/rtl8139/dev/mii/miidevs.h

@@ -0,0 +1,3 @@
+#define MII_OUI_REALTEK				0x000020
+#define MII_MODEL_REALTEK_RTL8201L	0x0020
+#define MII_STR_REALTEK_RTL8201L	"RTL8021L"

src/add-ons/kernel/drivers/network/rtl8139/dev/mii/rlphy.c

@@ -0,0 +1,350 @@
+/*-
+ * Copyright (c) 1997, 1998, 1999
+ *	Bill Paul <[email protected]>.  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 Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
+ * 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/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/dev/mii/rlphy.c,v 1.21.2.1 2006/08/08 04:37:18 yongari Exp $");
+
+/*
+ * driver for RealTek 8139 internal PHYs
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/socket.h>
+#include <sys/bus.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include "miidevs.h"
+
+#include <machine/bus.h>
+#include <pci/if_rlreg.h>
+
+#include "miibus_if.h"
+
+static int rlphy_probe(device_t);
+static int rlphy_attach(device_t);
+
+static device_method_t rlphy_methods[] = {
+	/* device interface */
+	DEVMETHOD(device_probe,		rlphy_probe),
+	DEVMETHOD(device_attach,	rlphy_attach),
+	DEVMETHOD(device_detach,	mii_phy_detach),
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+	{ 0, 0 }
+};
+
+static devclass_t rlphy_devclass;
+
+static driver_t rlphy_driver = {
+	"rlphy",
+	rlphy_methods,
+	sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(rlphy, miibus, rlphy_driver, rlphy_devclass, 0, 0);
+
+static int	rlphy_service(struct mii_softc *, struct mii_data *, int);
+static void	rlphy_status(struct mii_softc *);
+
+static int
+rlphy_probe(dev)
+	device_t		dev;
+{
+	struct mii_attach_args *ma;
+	device_t		parent;
+
+	ma = device_get_ivars(dev);
+	parent = device_get_parent(device_get_parent(dev));
+
+	/* Test for RealTek 8201L PHY */
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_REALTEK &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_REALTEK_RTL8201L) {
+		device_set_desc(dev, MII_STR_REALTEK_RTL8201L);
+		return(BUS_PROBE_DEFAULT);
+	}
+
+	/*
+	 * RealTek PHY doesn't have vendor/device ID registers:
+	 * the rl driver fakes up a return value of all zeros.
+	 */
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) != 0 ||
+	    MII_MODEL(ma->mii_id2) != 0)
+		return (ENXIO);
+
+	/*
+	 * Make sure the parent is an `rl' or an `re'.
+	 */
+	if (strcmp(device_get_name(parent), "rl") != 0 &&
+	    strcmp(device_get_name(parent), "re") != 0)
+		return (ENXIO);
+
+	device_set_desc(dev, "RealTek internal media interface");
+
+	return (BUS_PROBE_DEFAULT);
+}
+
+static int
+rlphy_attach(dev)
+	device_t		dev;
+{
+	struct mii_softc	*sc;
+	struct mii_attach_args	*ma;
+	struct mii_data		*mii;
+
+	sc = device_get_softc(dev);
+	ma = device_get_ivars(dev);
+	sc->mii_dev = device_get_parent(dev);
+	mii = device_get_softc(sc->mii_dev);
+
+	/*
+	 * The RealTek PHY can never be isolated, so never allow non-zero
+	 * instances!
+	 */
+	if (mii->mii_instance != 0) {
+		device_printf(dev, "ignoring this PHY, non-zero instance\n");
+		return(ENXIO);
+	}
+
+	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = rlphy_service;
+	sc->mii_pdata = mii;
+	mii->mii_instance++;
+
+	sc->mii_flags |= MIIF_NOISOLATE;
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+
+#if 0 /* See above. */
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+	    BMCR_ISO);
+#endif
+
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
+	    BMCR_LOOP|BMCR_S100);
+
+	mii_phy_reset(sc);
+
+	sc->mii_capabilities =
+	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+	device_printf(dev, " ");
+	mii_add_media(sc);
+	printf("\n");
+#undef ADD
+	MIIBUS_MEDIAINIT(sc->mii_dev);
+	return(0);
+}
+
+static int
+rlphy_service(sc, mii, cmd)
+	struct mii_softc *sc;
+	struct mii_data *mii;
+	int cmd;
+{
+	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+
+	/*
+	 * We can't isolate the RealTek PHY, so it has to be the only one!
+	 */
+	if (IFM_INST(ife->ifm_media) != sc->mii_inst)
+		panic("rlphy_service: can't isolate RealTek PHY");
+
+	switch (cmd) {
+	case MII_POLLSTAT:
+		break;
+
+	case MII_MEDIACHG:
+		/*
+		 * 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);
+			break;
+		case IFM_100_T4:
+			/*
+			 * XXX Not supported as a manual setting right now.
+			 */
+			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:
+		/*
+		 * Is the interface even up?
+		 */
+		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+			return (0);
+
+		/*
+		 * Only used for autonegotiation.
+		 */
+		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
+			break;
+
+		/*
+		 * The RealTek PHY's autonegotiation doesn't need to be
+		 * kicked; it continues in the background.
+		 */
+		break;
+	}
+
+	/* Update the media status. */
+	rlphy_status(sc);
+
+	/* Callback if something changed. */
+	mii_phy_update(sc, cmd);
+	return (0);
+}
+
+static void
+rlphy_status(phy)
+	struct mii_softc *phy;
+{
+	struct mii_data *mii = phy->mii_pdata;
+	int bmsr, bmcr, anlpar;
+	device_t		parent;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);
+	if (bmsr & BMSR_LINK)
+		mii->mii_media_status |= IFM_ACTIVE;
+
+	bmcr = PHY_READ(phy, 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) {
+		/*
+		 * NWay autonegotiation takes the highest-order common
+		 * bit of the ANAR and ANLPAR (i.e. best media advertised
+		 * both by us and our link partner).
+		 */
+		if ((bmsr & BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+
+		if ((anlpar = PHY_READ(phy, MII_ANAR) &
+		    PHY_READ(phy, MII_ANLPAR))) {
+			if (anlpar & ANLPAR_T4)
+				mii->mii_media_active |= IFM_100_T4;
+			else if (anlpar & ANLPAR_TX_FD)
+				mii->mii_media_active |= IFM_100_TX|IFM_FDX;
+			else if (anlpar & ANLPAR_TX)
+				mii->mii_media_active |= IFM_100_TX;
+			else if (anlpar & ANLPAR_10_FD)
+				mii->mii_media_active |= IFM_10_T|IFM_FDX;
+			else if (anlpar & ANLPAR_10)
+				mii->mii_media_active |= IFM_10_T;
+			else
+				mii->mii_media_active |= IFM_NONE; 
+			return;
+		}
+		/*
+		 * If the other side doesn't support NWAY, then the
+		 * best we can do is determine if we have a 10Mbps or
+		 * 100Mbps link. There's no way to know if the link 
+		 * is full or half duplex, so we default to half duplex
+		 * and hope that the user is clever enough to manually
+		 * change the media settings if we're wrong.
+		 */
+
+
+		/*
+		 * The RealTek PHY supports non-NWAY link speed
+		 * detection, however it does not report the link
+		 * detection results via the ANLPAR or BMSR registers.
+		 * (What? RealTek doesn't do things the way everyone
+		 * else does? I'm just shocked, shocked I tell you.)
+		 * To determine the link speed, we have to do one
+		 * of two things:
+		 *
+		 * - If this is a standalone RealTek RTL8201(L) PHY,
+		 *   we can determine the link speed by testing bit 0
+		 *   in the magic, vendor-specific register at offset
+		 *   0x19.
+		 *
+		 * - If this is a RealTek MAC with integrated PHY, we
+		 *   can test the 'SPEED10' bit of the MAC's media status
+		 *   register.
+		 */
+		parent = device_get_parent(phy->mii_dev);
+		if (strcmp(device_get_name(parent), "rl") != 0) {
+			if (PHY_READ(phy, 0x0019) & 0x01)
+				mii->mii_media_active |= IFM_100_TX;
+			else
+				mii->mii_media_active |= IFM_10_T;
+		} else {
+			if (PHY_READ(phy, RL_MEDIASTAT) &
+			    RL_MEDIASTAT_SPEED10)
+				mii->mii_media_active |= IFM_10_T;
+			else
+				mii->mii_media_active |= IFM_100_TX;
+		}
+
+	} else
+		mii->mii_media_active = mii_media_from_bmcr(bmcr);
+}

src/add-ons/kernel/drivers/network/rtl8139/pci/Jamfile

@@ -10,6 +10,6 @@ SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 ] ;
 KernelAddon rtl8139exp :
 	if_rl.c
 	glue.c
-	: libfreebsd_network.a
+	: libfreebsd_network.a rtl8139exp_mii.a
 	;
 

src/add-ons/kernel/drivers/network/rtl8139/pci/glue.c

@@ -5,6 +5,8 @@
 HAIKU_FBSD_DRIVER_GLUE(rtl8139exp, rl, pci);
 HAIKU_DRIVER_REQUIREMENTS(0);
 
+HAIKU_FBSD_MII_DRIVER(rlphy);
+
 int
 HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev) {
 	struct rl_softc *sc = device_get_softc(dev);