115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
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/*
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* Copyright (c) 2004 M. Warner Losh.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bio.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <sys/systm.h>
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#include <dev/fdc/fdcvar.h>
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#include <dev/fdc/fdcreg.h>
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static void fdctl_wr_pcmcia(fdc_p, u_int8_t);
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static int fdc_pccard_probe(device_t);
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static void
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fdctl_wr_pcmcia(fdc_p fdc, u_int8_t v)
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{
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bus_space_write_1(fdc->portt, fdc->porth, FDCTL+fdc->port_off, v);
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}
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/* XXX this is really an attach routine */
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static int
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fdc_pccard_probe(device_t dev)
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{
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int error;
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struct fdc_data *fdc;
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fdc = device_get_softc(dev);
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bzero(fdc, sizeof *fdc);
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fdc->fdc_dev = dev;
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fdc->fdctl_wr = fdctl_wr_pcmcia;
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fdc->flags |= FDC_ISPCMCIA | FDC_NODMA;
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/* Attempt to allocate our resources for the duration of the probe */
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error = fdc_alloc_resources(fdc);
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if (error)
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goto out;
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/* First - lets reset the floppy controller */
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fdout_wr(fdc, 0);
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DELAY(100);
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fdout_wr(fdc, FDO_FRST);
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/* see if it can handle a command */
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if (fd_cmd(fdc, 3, NE7CMD_SPECIFY, NE7_SPEC_1(3, 240),
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NE7_SPEC_2(2, 0), 0)) {
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error = ENXIO;
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goto out;
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}
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device_set_desc(dev, "Y-E Data PCMCIA floppy");
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fdc->fdct = FDC_NE765;
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out:
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fdc_release_resources(fdc);
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return (error);
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}
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static device_method_t fdc_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, fdc_pccard_probe),
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DEVMETHOD(device_attach, fdc_attach),
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DEVMETHOD(device_detach, fdc_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, fdc_print_child),
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DEVMETHOD(bus_read_ivar, fdc_read_ivar),
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/* Our children never use any other bus interface methods. */
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{ 0, 0 }
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};
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static driver_t fdc_pccard_driver = {
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"fdc",
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fdc_pccard_methods,
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sizeof(struct fdc_data)
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};
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DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0);
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