diff options
Diffstat (limited to 'sys/dev/ata/ata-card.c')
| -rw-r--r-- | sys/dev/ata/ata-card.c | 131 |
1 files changed, 131 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..d473ef8 --- /dev/null +++ b/sys/dev/ata/ata-card.c @@ -0,0 +1,131 @@ +/*- + * Copyright (c) 1998,1999,2000,2001,2002 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. + * 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/module.h> +#include <sys/bus.h> +#include <sys/malloc.h> +#include <machine/stdarg.h> +#include <machine/resource.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <dev/ata/ata-all.h> +#include <dev/pccard/pccardreg.h> +#include <dev/pccard/pccardvar.h> +#include <dev/pccard/pccarddevs.h> + +static int +ata_pccard_match(device_t dev) +{ + u_int32_t fcn = PCCARD_FUNCTION_UNSPEC; + int error = 0; + + error = pccard_get_function(dev, &fcn); + if (error != 0) + return (error); + + /* if it says its a disk we should register it */ + if (fcn == PCCARD_FUNCTION_DISK) + return (0); + + /* other devices might need to be matched here */ + + return(ENXIO); +} + +static int +ata_pccard_probe(device_t dev) +{ + struct ata_channel *ch = 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; + + ch->unit = 0; + ch->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE); + return ata_probe(dev); +} + +static device_method_t ata_pccard_methods[] = { + /* device interface */ + DEVMETHOD(device_probe, pccard_compat_probe), + DEVMETHOD(device_attach, pccard_compat_attach), + DEVMETHOD(device_detach, ata_detach), + + /* Card interface */ + DEVMETHOD(card_compat_match, ata_pccard_match), + DEVMETHOD(card_compat_probe, ata_pccard_probe), + DEVMETHOD(card_compat_attach, ata_attach), + { 0, 0 } +}; + +static driver_t ata_pccard_driver = { + "ata", + ata_pccard_methods, + sizeof(struct ata_channel), +}; + +DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0); |
