Add support for Intel PRO/100 CardBus PC Card Ethernet; from NetBSD.

1 files changed, 270 insertions, 0 deletions

diff --git a/sys/dev/cardbus/if_fxp_cardbus.c b/sys/dev/cardbus/if_fxp_cardbus.c
new file mode 100644
index 00000000000..1b53d9c658e
--- /dev/null
+++ b/sys/dev/cardbus/if_fxp_cardbus.c
@@ -0,0 +1,270 @@
+/*	$OpenBSD: if_fxp_cardbus.c,v 1.1 2000/09/17 05:11:12 aaron Exp $ */
+/*	$NetBSD: if_fxp_cardbus.c,v 1.12 2000/05/08 18:23:36 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Johan Danielsson.
+ *
+ * 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.
+ */
+
+/*
+ * CardBus front-end for the Intel i82557 family of Ethernet chips.
+ */
+
+#include "bpfilter.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/if_media.h>
+
+#include <machine/endian.h>
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#endif
+
+#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/ic/fxpreg.h>
+#include <dev/ic/fxpvar.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+
+#include <dev/cardbus/cardbusvar.h>
+#include <dev/cardbus/cardbusdevs.h>
+
+int fxp_cardbus_match __P((struct device *, void *, void *));
+void fxp_cardbus_attach __P((struct device *, struct device *, void *));
+int fxp_cardbus_detach __P((struct device * self, int flags));
+void fxp_cardbus_setup __P((struct fxp_softc * sc));
+
+struct fxp_cardbus_softc {
+	struct fxp_softc sc;
+	cardbus_devfunc_t ct;
+	pcireg_t base0_reg;
+	pcireg_t base1_reg;
+	bus_size_t size;
+};
+
+struct cfattach fxp_cardbus_ca = {
+	sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach,
+	    fxp_cardbus_detach
+};
+
+#ifdef CBB_DEBUG
+#define DPRINTF(X) printf X
+#else
+#define DPRINTF(X)
+#endif
+
+int
+fxp_cardbus_match(parent, match, aux)
+	struct device *parent;
+	void *match;
+	void *aux;
+{
+	struct cardbus_attach_args *ca = aux;
+
+	if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_INTEL &&
+	    CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_INTEL_82557)
+		return (1);
+
+	return (0);
+}
+
+void
+fxp_cardbus_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	static const char thisfunc[] = "fxp_cardbus_attach";
+
+	char intrstr[16];
+	struct fxp_softc *sc = (struct fxp_softc *) self;
+	struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
+	struct cardbus_attach_args *ca = aux;
+	struct cardbus_softc *psc =
+	    (struct cardbus_softc *)sc->sc_dev.dv_parent;
+	cardbus_chipset_tag_t cc = psc->sc_cc;
+	cardbus_function_tag_t cf = psc->sc_cf;
+	bus_space_tag_t iot, memt;
+	bus_space_handle_t ioh, memh;
+	u_int8_t enaddr[6];
+
+	bus_addr_t adr;
+	bus_size_t size;
+
+	csc->ct = ca->ca_ct;
+
+	/*
+         * Map control/status registers.
+         */
+	if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
+	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
+		csc->base1_reg = adr | 1;
+		sc->sc_st = iot;
+		sc->sc_sh = ioh;
+		csc->size = size;
+	} else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
+	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
+	    0, &memt, &memh, &adr, &size) == 0) {
+		csc->base0_reg = adr;
+		sc->sc_st = memt;
+		sc->sc_sh = memh;
+		csc->size = size;
+	} else
+		panic("%s: failed to allocate mem and io space", thisfunc);
+
+	if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1])
+		printf(": %s %s", ca->ca_cis.cis1_info[0],
+		    ca->ca_cis.cis1_info[1]);
+	else
+		printf("\n");
+
+#if 0
+	sc->sc_dmat = ca->ca_dmat;
+	sc->sc_enable = fxp_cardbus_enable;
+	sc->sc_disable = fxp_cardbus_disable;
+	sc->sc_enabled = 0;
+#endif
+
+	Cardbus_function_enable(csc->ct);
+
+	fxp_cardbus_setup(sc);
+
+	/* Map and establish the interrupt. */
+	sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
+	    fxp_intr, sc);
+	if (NULL == sc->sc_ih) {
+		printf(": couldn't establish interrupt");
+		printf("at %d\n", ca->ca_intrline);
+		return;
+	}
+	snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline);
+
+	fxp_attach_common(sc, enaddr, intrstr);
+}
+
+void
+fxp_cardbus_setup(struct fxp_softc * sc)
+{
+	struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
+	struct cardbus_softc *psc =
+	    (struct cardbus_softc *) sc->sc_dev.dv_parent;
+	cardbus_chipset_tag_t cc = psc->sc_cc;
+	cardbus_function_tag_t cf = psc->sc_cf;
+	pcireg_t command;
+
+	cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus,
+	    csc->ct->ct_dev, csc->ct->ct_func);
+
+	command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG);
+	if (csc->base0_reg) {
+		Cardbus_conf_write(csc->ct, tag,
+		    CARDBUS_BASE0_REG, csc->base0_reg);
+		(cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
+		command |= CARDBUS_COMMAND_MEM_ENABLE |
+		    CARDBUS_COMMAND_MASTER_ENABLE;
+	} else if (csc->base1_reg) {
+		Cardbus_conf_write(csc->ct, tag,
+		    CARDBUS_BASE1_REG, csc->base1_reg);
+		(cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
+		command |= (CARDBUS_COMMAND_IO_ENABLE |
+		    CARDBUS_COMMAND_MASTER_ENABLE);
+	}
+
+	(cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
+
+	/* enable the card */
+	Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command);
+}
+
+int
+fxp_cardbus_detach(self, flags)
+	struct device *self;
+	int flags;
+{
+	struct fxp_softc *sc = (struct fxp_softc *) self;
+	struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
+	struct cardbus_devfunc *ct = csc->ct;
+	int rv, reg;
+
+#ifdef DIAGNOSTIC
+	if (ct == NULL)
+		panic("%s: data structure lacks\n", sc->sc_dev.dv_xname);
+#endif
+
+#if 0
+	rv = fxp_detach(sc);
+#endif
+	if (rv == 0) {
+		/*
+		 * Unhook the interrupt handler.
+		 */
+		cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
+
+		/*
+		 * release bus space and close window
+		 */
+		if (csc->base0_reg)
+			reg = CARDBUS_BASE0_REG;
+		else
+			reg = CARDBUS_BASE1_REG;
+		Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
+	}
+	return (rv);
+}