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      1 /*	$NetBSD: fdc_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $	*/
      2 
      3 /*	$OpenBSD: fdc_gsc.c,v 1.1 1998/09/30 04:45:46 mickey Exp $	*/
      4 
      5 /*
      6  * Copyright (c) 1998 Michael Shalayeff
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __KERNEL_RCSID(0, "$NetBSD: fdc_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $");
     33 
     34 #include <sys/param.h>
     35 #include <sys/systm.h>
     36 #include <sys/device.h>
     37 
     38 #include <machine/iomod.h>
     39 #include <sys/bus.h>
     40 #include <machine/intr.h>
     41 #include <machine/autoconf.h>
     42 
     43 #include <dev/ic/fdreg.h>
     44 #include <dev/ic/fdlink.h>
     45 
     46 #include <hppa/dev/cpudevs.h>
     47 
     48 /* controller driver configuration */
     49 int fdc_gsc_probe(device_t, cfdata_t, void *);
     50 void fdc_gsc_attach(device_t, device_t, void *);
     51 
     52 CFATTACH_DECL_NEW(fdc_gsc, sizeof(struct fdc_softc),
     53     fdc_gsc_probe, fdc_gsc_attach, NULL, NULL);
     54 
     55 int
     56 fdc_gsc_probe(device_t parent, cfdata_t match, void *aux)
     57 {
     58 	struct confargs *ca = aux;
     59 	bus_space_handle_t ioh;
     60 	int rv;
     61 
     62 	if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
     63 	    ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
     64 		return 0;
     65 
     66 	/* Map the i/o space. */
     67 	if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
     68 		return 0;
     69 
     70 	rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
     71 	bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
     72 	return rv;
     73 }
     74 
     75 void
     76 fdc_gsc_attach(device_t parent, device_t self, void *aux)
     77 {
     78 	struct fdc_softc *sc = device_private(self);
     79 	bus_space_handle_t ioh;
     80 	struct confargs *ca = aux;
     81 
     82 	sc->sc_dev = self;
     83 
     84 	/* Re-map the I/O space. */
     85 	if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) {
     86 		aprint_error(": can't map I/O ports\n");
     87 		return;
     88 	}
     89 
     90 	ioh |= IOMOD_DEVOFFSET;
     91 	sc->sc_iot = ca->ca_iot;
     92 	sc->sc_ioh = ioh;
     93 	sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
     94 
     95 	fdc_attach_subr(sc);
     96 }
     97