replace Adaptec AIC-6915 Starfire driver with the fully bus_dma(9)-able

driver from NetBSD

ok brad@ reyk@

additional testing Nick Nauwelaerts

1 files changed, 289 insertions, 0 deletions

diff --git a/sys/dev/pci/if_sf_pci.c b/sys/dev/pci/if_sf_pci.c
new file mode 100644
index 00000000000..483b3963402
--- /dev/null
+++ b/sys/dev/pci/if_sf_pci.c
@@ -0,0 +1,289 @@
+/*	$OpenBSD: if_sf_pci.c,v 1.1 2006/12/06 20:07:52 martin Exp $	*/
+/*	$NetBSD: if_sf_pci.c,v 1.10 2006/06/17 23:34:27 christos Exp $	*/
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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.
+ */
+
+/*
+ * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'')
+ * 10/100 Ethernet controller.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.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 <net/if_media.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/mii/miivar.h>
+
+#include <dev/ic/aic6915.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+struct sf_pci_softc {
+	struct sf_softc sc_starfire;	/* read Starfire softc */
+
+	/* PCI-specific goo. */
+	void	*sc_ih;			/* interrupt handle */
+};
+
+static int	sf_pci_match(struct device *, void *, void *);
+static void	sf_pci_attach(struct device *, struct device *, void *);
+
+struct cfattach sf_pci_ca = {
+        sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach
+};
+
+struct sf_pci_product {
+	uint32_t	spp_vendor;	/* PCI vendor ID */
+	uint32_t	spp_product;	/* PCI product ID */
+	const char	*spp_name;	/* product name */
+	const struct sf_pci_product *spp_subsys; /* subsystm IDs */
+};
+
+static const struct sf_pci_product sf_subsys_adaptec[] = {
+	/* ANA-62011 (rev 0) Single port 10/100 64-bit */
+	{ PCI_VENDOR_ADP,			0x0008,
+	  "ANA-62011 (rev 0) 10/100 Ethernet",	NULL },
+
+	/* ANA-62011 (rev 1) Single port 10/100 64-bit */
+	{ PCI_VENDOR_ADP,			0x0009,
+	  "ANA-62011 (rev 1) 10/100 Ethernet",	NULL },
+
+	/* ANA-62022 Dual port 10/100 64-bit */
+	{ PCI_VENDOR_ADP,			0x0010,
+	  "ANA-62022 10/100 Ethernet",		NULL },
+
+	/* ANA-62044 (rev 0) Quad port 10/100 64-bit */
+	{ PCI_VENDOR_ADP,			0x0018,
+	  "ANA-62044 (rev 0) 10/100 Ethernet",	NULL },
+
+	/* ANA-62044 (rev 1) Quad port 10/100 64-bit */
+	{ PCI_VENDOR_ADP,			0x0019,
+	  "ANA-62044 (rev 1) 10/100 Ethernet",	NULL },
+
+	/* ANA-62020 Single port 100baseFX 64-bit */
+	{ PCI_VENDOR_ADP,			0x0020,
+	  "ANA-62020 100baseFX Ethernet",	NULL },
+
+	/* ANA-69011 Single port 10/100 32-bit */
+	{ PCI_VENDOR_ADP,			0x0028,
+	  "ANA-69011 10/100 Ethernet",		NULL },
+
+	{ 0, 					0,
+	  NULL,					NULL },
+};
+
+static const struct sf_pci_product sf_pci_products[] = {
+	{ PCI_VENDOR_ADP,			PCI_PRODUCT_ADP_AIC6915,
+	  "AIC-6915 10/100 Ethernet",		sf_subsys_adaptec },
+
+	{ 0,					0,
+	  NULL,					NULL },
+};
+
+static const struct sf_pci_product *
+sf_pci_lookup(const struct pci_attach_args *pa)
+{
+	const struct sf_pci_product *spp, *subspp;
+	pcireg_t subsysid;
+
+	for (spp = sf_pci_products; spp->spp_name != NULL; spp++) {
+		if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor &&
+		    PCI_PRODUCT(pa->pa_id) == spp->spp_product) {
+			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
+			    PCI_SUBSYS_ID_REG);
+			for (subspp = spp->spp_subsys;
+			     subspp->spp_name != NULL; subspp++) {
+				if (PCI_VENDOR(subsysid) ==
+					subspp->spp_vendor ||
+				    PCI_PRODUCT(subsysid) ==
+					subspp->spp_product) {
+					return (subspp);
+				}
+			}
+			return (spp);
+		}
+	}
+
+	return (NULL);
+}
+
+static int
+sf_pci_match(struct device *parent, void *match, void *aux)
+{
+	struct pci_attach_args *pa = aux;
+
+	if (sf_pci_lookup(pa) != NULL)
+		return (1);
+
+	return (0);
+}
+
+static void
+sf_pci_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct sf_pci_softc *psc = (void *) self;
+	struct sf_softc *sc = &psc->sc_starfire;
+	struct pci_attach_args *pa = aux;
+	pci_intr_handle_t ih;
+	const char *intrstr = NULL;
+	const struct sf_pci_product *spp;
+	bus_space_tag_t iot, memt;
+	bus_space_handle_t ioh, memh;
+	pcireg_t reg;
+	int pmreg, ioh_valid, memh_valid;
+
+	spp = sf_pci_lookup(pa);
+	if (spp == NULL) {
+		printf("\n");
+		panic("sf_pci_attach: impossible");
+	}
+
+	printf(": %s, rev. %d", spp->spp_name, PCI_REVISION(pa->pa_class));
+
+	if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT,
+	    &pmreg, 0)) {
+		reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR);
+		switch (reg & PCI_PMCSR_STATE_MASK) {
+		case PCI_PMCSR_STATE_D1:
+		case PCI_PMCSR_STATE_D2:
+			printf(": waking up from power state D%d\n%s",
+			    reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname);
+			pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR,
+			    (reg & ~PCI_PMCSR_STATE_MASK) |
+			    PCI_PMCSR_STATE_D0);
+			break;
+
+		case PCI_PMCSR_STATE_D3:
+			printf("%s: unable to wake up from power state D3\n",
+			    sc->sc_dev.dv_xname);
+			pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + PCI_PMCSR,
+			    (reg & ~PCI_PMCSR_STATE_MASK) |
+			    PCI_PMCSR_STATE_D0);
+			return;
+		}
+	}
+
+	/*
+	 * Map the device.
+	 */
+	reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA);
+	switch (reg) {
+	case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
+	case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
+		memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA,
+		    reg, 0, &memt, &memh, NULL, NULL, 0) == 0);
+		break;
+	default:
+		memh_valid = 0;
+	}
+
+	ioh_valid = (pci_mapreg_map(pa,
+	    (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ?
+		SF_PCI_IOBA : SF_PCI_IOBA - 0x04,
+	    PCI_MAPREG_TYPE_IO, 0,
+	    &iot, &ioh, NULL, NULL, 0) == 0);
+
+	if (memh_valid) {
+		sc->sc_st = memt;
+		sc->sc_sh = memh;
+		sc->sc_iomapped = 0;
+	} else if (ioh_valid) {
+		sc->sc_st = iot;
+		sc->sc_sh = ioh;
+		sc->sc_iomapped = 1;
+	} else {
+		printf("%s: unable to map device registers\n",
+		    sc->sc_dev.dv_xname);
+		return;
+	}
+
+	sc->sc_dmat = pa->pa_dmat;
+
+	/* Make sure bus mastering is enabled. */
+	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
+	    pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
+	    PCI_COMMAND_MASTER_ENABLE);
+
+	/*
+	 * Map and establish our interrupt.
+	 */
+	if (pci_intr_map(pa, &ih)) {
+		printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname);
+		return;
+	}
+	intrstr = pci_intr_string(pa->pa_pc, ih);
+	psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc,
+	    self->dv_xname);
+	if (psc->sc_ih == NULL) {
+		printf("%s: unable to establish interrupt",
+		    sc->sc_dev.dv_xname);
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		return;
+	}
+	printf(": %s", intrstr);
+
+	/*
+	 * Finish off the attach.
+	 */
+	sf_attach(sc);
+}