freebsd-skq/sys/dev/ata/chipsets/ata-netcell.c
2020-09-01 21:40:47 +00:00

113 lines
3.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
* 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.
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/ata.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <vm/uma.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/ata/ata-all.h>
#include <dev/ata/ata-pci.h>
#include <ata_if.h>
/* local prototypes */
static int ata_netcell_chipinit(device_t dev);
static int ata_netcell_ch_attach(device_t dev);
static int ata_netcell_setmode(device_t dev, int target, int mode);
/*
* NetCell chipset support functions
*/
static int
ata_netcell_probe(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
if (pci_get_devid(dev) == ATA_NETCELL_SR) {
device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller");
ctlr->chipinit = ata_netcell_chipinit;
return (BUS_PROBE_LOW_PRIORITY);
}
return ENXIO;
}
static int
ata_netcell_chipinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
ctlr->ch_attach = ata_netcell_ch_attach;
ctlr->setmode = ata_netcell_setmode;
return 0;
}
static int
ata_netcell_ch_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
/* setup the usual register normal pci style */
if (ata_pci_ch_attach(dev))
return ENXIO;
/* the NetCell only supports 16 bit PIO transfers */
ch->flags |= ATA_USE_16BIT;
/* It is a hardware RAID without cable. */
ch->flags |= ATA_CHECKS_CABLE;
return 0;
}
static int
ata_netcell_setmode(device_t dev, int target, int mode)
{
return (min(mode, ATA_UDMA6));
}
ATA_DECLARE_DRIVER(ata_netcell);