6d6fa4fdc9
step in making this driver more attachment neutral. Others plan on adding acpi front ends. Still need to cleanup the MI part of the driver because it isn't as bus independent as it could be.
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*
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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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