Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/dev/cardbus First attempt at a CardBus front-end for the...
details: https://anonhg.NetBSD.org/src/rev/f1e47dfab930
branches: trunk
changeset: 481325:f1e47dfab930
user: thorpej <thorpej%NetBSD.org@localhost>
date: Wed Jan 26 06:37:23 2000 +0000
description:
First attempt at a CardBus front-end for the `ahc' driver. This will
support the Adaptec ADP-1480 CardBus SCSI cards, which are a stright
AIC-7860 implementation.
diffstat:
sys/dev/cardbus/ahc_cardbus.c | 244 ++++++++++++++++++++++++++++++++++++++++++
sys/dev/cardbus/files.cardbus | 8 +-
2 files changed, 251 insertions(+), 1 deletions(-)
diffs (267 lines):
diff -r 234573b2c369 -r f1e47dfab930 sys/dev/cardbus/ahc_cardbus.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/cardbus/ahc_cardbus.c Wed Jan 26 06:37:23 2000 +0000
@@ -0,0 +1,244 @@
+/* $NetBSD: ahc_cardbus.c,v 1.1 2000/01/26 06:37:23 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 2000 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.
+ */
+
+/*
+ * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers.
+ *
+ * TODO:
+ * - power management
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/queue.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/scsipi/scsi_all.h>
+#include <dev/scsipi/scsipi_all.h>
+#include <dev/scsipi/scsiconf.h>
+
+#include <dev/pci/pcireg.h>
+
+#include <dev/cardbus/cardbusvar.h>
+#include <dev/cardbus/cardbusdevs.h>
+
+#include <dev/ic/aic7xxxreg.h>
+#include <dev/ic/aic7xxxvar.h>
+
+#define AHC_CARDBUS_IOBA 0x10
+#define AHC_CARDBUS_MMBA 0x14
+
+struct ahc_cardbus_softc {
+ struct ahc_data sc_ahc; /* real AHC */
+
+ /* CardBus-specific goo. */
+ cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */
+ int sc_intrline; /* our interrupt line */
+ cardbustag_t sc_tag;
+
+ int sc_cbenable; /* what CardBus access type to enable */
+ int sc_csr; /* CSR bits */
+};
+
+int ahc_cardbus_match __P((struct device *, struct cfdata *, void *));
+void ahc_cardbus_attach __P((struct device *, struct device *, void *));
+
+struct cfattach ahc_cardbus_ca = {
+ sizeof(struct ahc_data), ahc_cardbus_match, ahc_cardbus_attach,
+};
+
+int
+ahc_cardbus_match(parent, match, aux)
+ struct device *parent;
+ struct cfdata *match;
+ void *aux;
+{
+ struct cardbus_attach_args *ca = aux;
+
+ if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADP &&
+ CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADP_1480)
+ return (1);
+
+ return (0);
+}
+
+void
+ahc_cardbus_attach(parent, self, aux)
+ struct device *parent, *self;
+ void *aux;
+{
+ struct cardbus_attach_args *ca = aux;
+ struct ahc_cardbus_softc *csc = (void *) self;
+ struct ahc_data *ahc = &csc->sc_ahc;
+ cardbus_devfunc_t ct = ca->ca_ct;
+ cardbus_chipset_tag_t cc = ct->ct_cc;
+ cardbus_function_tag_t cf = ct->ct_cf;
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+ pcireg_t reg;
+ ahc_type ahc_t = AHC_NONE;
+ ahc_flag ahc_f = AHC_FNONE;
+
+ csc->sc_ct = ct;
+ csc->sc_tag = ca->ca_tag;
+ csc->sc_intrline = ca->ca_intrline;
+
+ printf(": Adaptec ADP-1480 SCSI\n");
+
+ /*
+ * Map the device.
+ */
+ csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
+ if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA,
+ PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
+ &bst, &bsh, NULL, NULL) == 0) {
+ csc->sc_cbenable = CARDBUS_MEM_ENABLE;
+ csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
+ } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA,
+ PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, NULL) == 0) {
+ csc->sc_cbenable = CARDBUS_IO_ENABLE;
+ csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
+ } else {
+ printf("%s: unable to map device registers\n",
+ ahc_name(ahc));
+ return;
+ }
+
+ /* Make sure the right access type is on the CardBus bridge. */
+ (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
+ (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
+
+ /* Enable the appropriate bits in the PCI CSR. */
+ reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
+ reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
+ reg |= csc->sc_csr;
+ cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
+
+ /*
+ * Make sure the latency timer is set to some reasonable
+ * value.
+ */
+ reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
+ if (PCI_LATTIMER(reg) < 0x20) {
+ reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
+ reg |= (0x20 << PCI_LATTIMER_SHIFT);
+ cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
+ }
+
+ /*
+ * ADP-1480 is always an AIC-7860.
+ */
+ ahc_t = AHC_AIC7860;
+
+ /*
+ * On all CardBus adapters, we allow SCB paging.
+ */
+ ahc_f |= AHC_PAGESCBS;
+
+ ahc_reset(ahc->sc_dev.dv_xname, bst, bsh);
+ ahc_construct(ahc, bst, bsh, ca->ca_dmat, ahc_t, ahc_f);
+
+ /*
+ * Establish the interrupt.
+ */
+ ahc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
+ ahc_intr, ahc);
+ if (ahc->sc_ih == NULL) {
+ printf("%s: unable to establish interrupt at %d\n",
+ ahc_name(ahc), ca->ca_intrline);
+ return;
+ }
+ printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline);
+
+ /*
+ * Do chip-specific initialization.
+ */
+ {
+ u_char sblkctl;
+ const char *id_string;
+
+ switch (ahc->type) {
+ case AHC_AIC7860:
+ id_string = "aic7860 ";
+ ahc_load_seeprom(ahc);
+ break;
+
+ default:
+ printf("%s: unknown controller type\n", ahc_name(ahc));
+ ahc_free(ahc);
+ return;
+ }
+
+ /*
+ * Take the LED out of diagnostic mode.
+ */
+ sblkctl = AHC_INB(ahc, SBLKCTL);
+ AHC_OUTB(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
+
+ /*
+ * I don't know where this is set in the SEEPROM or by the
+ * BIOS, so we default to 100%.
+ */
+ AHC_OUTB(ahc, DSPCISTATUS, DFTHRSH_100);
+
+ if (ahc->flags & AHC_USEDEFAULTS) {
+ /*
+ * We can't "use defaults", as we have no way
+ * of knowing what default settings hould be.
+ */
+ printf("%s: CardBus device requires an SEEPROM\n",
+ ahc_name(ahc));
+ return;
+ }
+
+ printf("%s: %s", ahc_name(ahc), id_string);
+ }
+
+ if (ahc_init(ahc)) {
+ ahc_free(ahc);
+ return;
+ }
+
+ ahc_attach(ahc);
+}
diff -r 234573b2c369 -r f1e47dfab930 sys/dev/cardbus/files.cardbus
--- a/sys/dev/cardbus/files.cardbus Wed Jan 26 06:27:32 2000 +0000
+++ b/sys/dev/cardbus/files.cardbus Wed Jan 26 06:37:23 2000 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.cardbus,v 1.7 1999/11/19 18:23:35 thorpej Exp $
+# $NetBSD: files.cardbus,v 1.8 2000/01/26 06:37:24 thorpej Exp $
#
# files.cardbus
#
@@ -45,3 +45,9 @@
#
attach ohci at cardbus with ohci_cardbus
file dev/cardbus/ohci_cardbus.c ohci_cardbus
+
+#
+# Adaptec ADP-1480 SCSI controller
+#
+attach ahc at cardbus with ahc_cardbus: ahc_seeprom, smc93cx6
+file dev/cardbus/ahc_cardbus.c ahc_cardbus
Home |
Main Index |
Thread Index |
Old Index