[src/trunk]: src EISA frontend for DPT driver (as yet untested).

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fd0fee5ba1d3
branches:  trunk
changeset: 476852:fd0fee5ba1d3
user:      ad <ad%NetBSD.org@localhost>
date:      Wed Sep 29 20:38:51 1999 +0000

description:
EISA frontend for DPT driver (as yet untested).

diffstat:

 share/man/man4/dpt.4    |    7 +-
 sys/dev/eisa/dpt_eisa.c |  185 ++++++++++++++++++++++++++++++++++++++++++++++++
 sys/dev/eisa/files.eisa |    7 +-
 3 files changed, 195 insertions(+), 4 deletions(-)

diffs (235 lines):

diff -r 36b847e5ce94 -r fd0fee5ba1d3 share/man/man4/dpt.4
--- a/share/man/man4/dpt.4      Wed Sep 29 18:52:19 1999 +0000
+++ b/share/man/man4/dpt.4      Wed Sep 29 20:38:51 1999 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: dpt.4,v 1.1 1999/09/28 09:24:05 ad Exp $
+.\"    $NetBSD: dpt.4,v 1.2 1999/09/29 20:38:51 ad Exp $
 .\"
 .\" Copyright (c) 1999 Andy Doran <ad%NetBSD.org@localhost>
 .\" All rights reserved.
@@ -30,7 +30,8 @@
 .Nd
 .Tn Driver for DPT EATA SCSI adapters
 .Sh SYNOPSIS
-.Cd "dpt* at pci?"
+.Cd "dpt* at eisa? slot ?"
+.Cd "dpt* at pci? dev ? function ?"
 .Cd "scsibus* at dpt?"
 .Sh DESCRIPTION
 The
@@ -78,4 +79,4 @@
 .Pp
 Boards that do not suppport scatter-gather I/O or DMA are not supported.
 .Pp
-EISA and ISA front-ends are sill under development.
+An ISA front-end is needed.
diff -r 36b847e5ce94 -r fd0fee5ba1d3 sys/dev/eisa/dpt_eisa.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/eisa/dpt_eisa.c   Wed Sep 29 20:38:51 1999 +0000
@@ -0,0 +1,185 @@
+/*     $NetBSD: dpt_eisa.c,v 1.1 1999/09/29 20:38:51 ad Exp $  */
+
+/*
+ * Copyright (c) 1999 Andy Doran <ad%NetBSD.org@localhost>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+/*
+ * EISA front-end for DPT EATA SCSI driver.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: dpt_eisa.c,v 1.1 1999/09/29 20:38:51 ad Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.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/eisa/eisavar.h>
+#include <dev/eisa/eisadevs.h>
+
+#include <dev/ic/dptreg.h>
+#include <dev/ic/dptvar.h>
+
+#define DPT_EISA_SLOT_OFFSET           0x0c00
+#define DPT_EISA_IOSIZE                        0x0100
+#define DPT_EISA_IOCONF                        0x90
+#define DPT_EISA_EATA_REG_OFFSET       0x88
+
+int    dpt_eisa_irq __P((bus_space_tag_t, bus_space_handle_t, int *));
+int    dpt_eisa_match __P((struct device *, struct cfdata *, void *));
+void   dpt_eisa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach dpt_eisa_ca = {
+       sizeof(struct dpt_softc), dpt_eisa_match, dpt_eisa_attach
+};
+
+const char *dpt_eisa_boards[] = {
+       "DPT2402",
+       "DPTA401",
+       "DPTA402",
+       "DPTA410",
+       "DPTA411",
+       "DPTA412",
+       "DPTA420",
+       "DPTA501",
+       "DPTA502",
+       "DPTA701",
+       "DPTBC01",
+       "NEC8200",      /* OEM */
+       "ATT2408",      /* OEM */
+       NULL
+}; 
+
+int
+dpt_eisa_irq(iot, ioh, irq)
+       bus_space_tag_t iot;
+       bus_space_handle_t ioh;
+       int *irq;
+{
+
+       switch (bus_space_read_1(iot, ioh, DPT_EISA_IOCONF) & 0x38) {
+       case 0x08:
+               *irq = 11;
+               break;
+       case 0x10:
+               *irq = 15;
+               break;
+       case 0x20:
+               *irq = 14;
+               break;
+       default:
+               return (-1);
+       }
+
+       return (0);
+}
+
+int
+dpt_eisa_match(parent, match, aux)
+       struct device *parent;
+       struct cfdata *match;
+       void *aux;
+{
+       struct eisa_attach_args *ea;
+       int i;
+
+       ea = aux;
+
+       for (i = 0; dpt_eisa_boards[i] != NULL; i++)
+               if (strcmp(ea->ea_idstring, dpt_eisa_boards[i]) == 0)
+                       break;
+
+       return (dpt_eisa_boards[i] != NULL);
+}
+
+void
+dpt_eisa_attach(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct eisa_attach_args *ea;
+       bus_space_handle_t ioh;
+       eisa_chipset_tag_t ec;
+       eisa_intr_handle_t ih;
+       struct dpt_softc *sc;
+       bus_space_tag_t iot;
+       const char *intrstr;
+       int irq;
+       
+       ea = aux;
+       sc = (struct dpt_softc *)self;
+       iot = ea->ea_iot;
+       ec = ea->ea_ec;
+       
+       printf(": ");
+
+       if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
+           DPT_EISA_SLOT_OFFSET, DPT_EISA_IOSIZE, 0, &ioh))
+               panic("can't map i/o space");
+
+       sc->sc_iot = iot;
+       sc->sc_ioh = ioh;
+       sc->sc_dmat = ea->ea_dmat;
+
+       /* Map and establish the interrupt. */
+       if (dpt_eisa_irq(iot, ioh, &irq))
+               panic("HBA on invalid IRQ");
+
+       if (eisa_intr_map(ec, irq, &ih)) {
+               printf("can't map interrupt (%d)\n", irq);
+               return;
+       }
+       
+       intrstr = eisa_intr_string(ec, ih);
+       sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
+           dpt_intr, sc);
+       if (sc->sc_ih == NULL) {
+               printf("can't establish interrupt");
+               if (intrstr != NULL)
+                       printf(" at %s", intrstr);
+               printf("\n");
+               return;
+       }
+
+       /* Read the EATA configuration */
+       if (dpt_readcfg(sc)) {
+               printf("%s: readcfg failed - see dpt(4)\n", 
+                   sc->sc_dv.dv_xname);
+               return; 
+       }
+
+       /* Now attach to the bus-independant code */
+       dpt_init(sc, intrstr);
+}
diff -r 36b847e5ce94 -r fd0fee5ba1d3 sys/dev/eisa/files.eisa
--- a/sys/dev/eisa/files.eisa   Wed Sep 29 18:52:19 1999 +0000
+++ b/sys/dev/eisa/files.eisa   Wed Sep 29 20:38:51 1999 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.eisa,v 1.18 1999/09/14 05:58:00 thorpej Exp $
+#      $NetBSD: files.eisa,v 1.19 1999/09/29 20:38:51 ad Exp $
 #
 # Config file and device description for machine-independent EISA code.
 # Included by ports that need it.  Requires that the SCSI files be
@@ -25,6 +25,11 @@
 attach bha at eisa with bha_eisa
 file   dev/eisa/bha_eisa.c             bha_eisa
 
+# DPT EATA SCSI controllers
+# device declaration in sys/conf/files
+attach dpt at eisa with dpt_eisa
+file   dev/eisa/dpt_eisa.c             dpt_eisa
+
 # UltraStor UHA-24f boards
 # device declaration in sys/conf/files
 attach uha at eisa with uha_eisa