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Annotation of sys/dev/isa/rt_isa.c, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: rt_isa.c,v 1.1 2002/08/28 21:20:48 mickey Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 2001, 2002 Maxim Tsyplakov <tm@oganer.net>,
                      5:  *                    Vladimir Popov <jumbo@narod.ru>
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
                     18:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     19:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     20:  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
                     21:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     22:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     23:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     24:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     25:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     26:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: /* ISA interface for AIMS Lab Radiotrack FM Radio Card device driver */
                     30:
                     31: /*
                     32:  * Sanyo LM7000 Direct PLL Frequency Synthesizer
                     33:  */
                     34:
                     35: #include <sys/param.h>
                     36: #include <sys/systm.h>
                     37: #include <sys/device.h>
                     38:
                     39: #include <machine/bus.h>
                     40:
                     41: #include <dev/ic/lm700x.h>
                     42: #include <dev/isa/isavar.h>
                     43: #include <dev/isa/rtreg.h>
                     44: #include <dev/isa/rtvar.h>
                     45:
                     46: int    rt_isa_probe(struct device *, void *, void *);
                     47: void   rt_isa_attach(struct device *, struct device *, void *);
                     48:
                     49: struct cfattach rt_isa_ca = {
                     50:        sizeof(struct rt_softc), rt_isa_probe, rt_isa_attach
                     51: };
                     52:
                     53: int
                     54: rt_isa_probe(struct device *parent, void *match, void *aux)
                     55: {
                     56:        struct isa_attach_args *ia = aux;
                     57:        bus_space_handle_t ioh;
                     58:        int iosize = 1;
                     59:
                     60:        if (!RT_BASE_VALID(ia->ia_iobase)) {
                     61:                printf("rt: wrong iobase 0x%x\n", ia->ia_iobase);
                     62:                return (0);
                     63:        }
                     64:
                     65:        if (bus_space_map(ia->ia_iot, ia->ia_iobase, iosize, 0, &ioh))
                     66:                return (0);
                     67:
                     68:        /* This doesn't work yet */
                     69:        bus_space_unmap(ia->ia_iot, ioh, iosize);
                     70:        return (0);
                     71: #if 0
                     72:        ia->ia_iosize = iosize;
                     73:        return 1;
                     74: #endif /* 0 */
                     75: }
                     76:
                     77: void
                     78: rt_isa_attach(struct device *parent, struct device *self, void *aux)
                     79: {
                     80:        struct rt_softc *sc = (void *) self;
                     81:        struct isa_attach_args *ia = aux;
                     82:        bus_space_handle_t ioh;
                     83:
                     84:        /* remap I/O */
                     85:        if (bus_space_map(ia->ia_iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) {
                     86:                printf(": bus_space_map() failed\n");
                     87:                return;
                     88:        }
                     89:
                     90:        printf(": AIMS Lab Radiotrack or compatible\n");
                     91:
                     92:        sc->sc_ct = CARD_RADIOTRACK;
                     93:        sc->lm.iot = ia->ia_iot;
                     94:        sc->lm.ioh = ioh;
                     95:
                     96:        rtattach(sc);
                     97: }