diff options
Diffstat (limited to 'sys/dev/ata/ata-isa.c')
| -rw-r--r-- | sys/dev/ata/ata-isa.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/sys/dev/ata/ata-isa.c b/sys/dev/ata/ata-isa.c new file mode 100644 index 0000000..f846caa --- /dev/null +++ b/sys/dev/ata/ata-isa.c @@ -0,0 +1,151 @@ +/*- + * 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 "opt_ata.h" + +#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 <isa/isavar.h> +#include <dev/ata/ata-all.h> + +/* local vars */ +static struct isa_pnp_id ata_ids[] = { + {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ + {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ + {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ + {0x0306d041, "Generic ATA"}, /* PNP0603 */ + {0} +}; + +static int +ata_isa_probe(device_t dev) +{ + struct ata_channel *ch = device_get_softc(dev); + struct resource *io; + u_long tmp; + int rid; + + /* check isapnp ids */ + if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) + return ENXIO; + + /* allocate the io port range to get the start address */ + rid = ATA_IOADDR_RID; + io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, + ATA_IOSIZE, RF_ACTIVE); + if (!io) + return ENOMEM; + + /* set the altport range */ + if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) { + bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, + rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE); + } + + bus_release_resource(dev, SYS_RES_IOPORT, rid, io); + ch->unit = 0; + ch->flags |= ATA_USE_16BIT; + return ata_probe(dev); +} + +static device_method_t ata_isa_methods[] = { + /* device interface */ + DEVMETHOD(device_probe, ata_isa_probe), + DEVMETHOD(device_attach, ata_attach), + DEVMETHOD(device_resume, ata_resume), + { 0, 0 } +}; + +static driver_t ata_isa_driver = { + "ata", + ata_isa_methods, + sizeof(struct ata_channel), +}; + +DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); + +/* + * the following is a bandaid to get ISA only setups to link, + * since these are getting rare the ugliness is kept here + */ +#ifdef ATA_NOPCI +int +ata_dmaalloc(struct ata_device *atadev) +{ + return ENXIO; +} + +void +ata_dmafree(struct ata_device *atadev) +{ +} + +void +ata_dmafreetags(struct ata_channel *ch) +{ +} + +void +ata_dmainit(struct ata_device *atadev, int piomode, int wdmamode, int udmamode) +{ +} + +int +ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count) +{ + return -1; +} + +int +ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir) +{ + return -1; +} + +int +ata_dmadone(struct ata_device *atadev) +{ + return -1; +} + +int +ata_dmastatus(struct ata_channel *ch) +{ + return -1; +} +#endif |
