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authorsos <sos@FreeBSD.org>2001-03-06 21:43:46 +0000
committersos <sos@FreeBSD.org>2001-03-06 21:43:46 +0000
commit295e425b3c3ece98776a79e38e5810c4845271ac (patch)
tree73c3618a655ec24760e9692c2a6af6494431766b /sys/dev/ata/ata-card.c
parent1b15df8a700087b7f0d018762c98c53ac6f30746 (diff)
downloadFreeBSD-src-295e425b3c3ece98776a79e38e5810c4845271ac.zip
FreeBSD-src-295e425b3c3ece98776a79e38e5810c4845271ac.tar.gz
Split out the ata probes in seperate files for each bus type.
Diffstat (limited to 'sys/dev/ata/ata-card.c')
-rw-r--r--sys/dev/ata/ata-card.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/dev/ata/ata-card.c b/sys/dev/ata/ata-card.c
new file mode 100644
index 0000000..55d9afb
--- /dev/null
+++ b/sys/dev/ata/ata-card.c
@@ -0,0 +1,108 @@
+/*-
+ * Copyright (c) 1998,1999,2000,2001 Søren Schmidt
+ * 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,
+ * without modification, immediately at the beginning of the file.
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/disk.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/bio.h>
+#include <sys/malloc.h>
+#include <sys/devicestat.h>
+#include <sys/sysctl.h>
+#include <machine/stdarg.h>
+#include <machine/resource.h>
+#include <machine/bus.h>
+#include <sys/rman.h>
+#include <dev/ata/ata-all.h>
+
+static int
+ata_pccard_probe(device_t dev)
+{
+ struct ata_softc *scp = device_get_softc(dev);
+ struct resource *io;
+ int rid, len, start, end;
+ u_long tmp;
+
+ /* allocate the io range to get start and length */
+ rid = ATA_IOADDR_RID;
+ len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
+ io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
+ ATA_IOSIZE, RF_ACTIVE);
+ if (!io)
+ return ENOMEM;
+
+ /* reallocate the io address to only cover the io ports */
+ start = rman_get_start(io);
+ end = start + ATA_IOSIZE - 1;
+ bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
+ io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
+ start, end, ATA_IOSIZE, RF_ACTIVE);
+ bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
+
+ /*
+ * if we got more than the default ATA_IOSIZE ports, this is likely
+ * a pccard system where the altio ports are located at offset 14
+ * otherwise its the normal altio offset
+ */
+ if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
+ if (len > ATA_IOSIZE) {
+ bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
+ start + ATA_PCCARD_ALTOFFSET, ATA_ALTIOSIZE);
+ }
+ else {
+ bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
+ start + ATA_ALTOFFSET, ATA_ALTIOSIZE);
+ }
+ }
+ else
+ return ENOMEM;
+
+ scp->channel = 0;
+ scp->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
+ return ata_probe(dev);
+}
+
+static device_method_t ata_pccard_methods[] = {
+ /* device interface */
+ DEVMETHOD(device_probe, ata_pccard_probe),
+ DEVMETHOD(device_attach, ata_attach),
+ DEVMETHOD(device_detach, ata_detach),
+ { 0, 0 }
+};
+
+static driver_t ata_pccard_driver = {
+ "ata",
+ ata_pccard_methods,
+ sizeof(struct ata_softc),
+};
+
+DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
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