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spic_acpi.c revision 1.2 
      1 /*	$NetBSD: spic_acpi.c,v 1.2 2002/06/13 16:48:34 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net).
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: spic_acpi.c,v 1.2 2002/06/13 16:48:34 augustss Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 #include <sys/proc.h>
     46 #include <sys/kernel.h>
     47 #include <sys/callout.h>
     48 
     49 #include <machine/bus.h>
     50 
     51 void	*isa_intr_establish(void *ic, int irq, int type,
     52 	    int level, int (*ih_fun)(void *), void *ih_arg);
     53 
     54 #include <dev/ic/spicvar.h>
     55 
     56 #include <dev/acpi/acpica.h>
     57 #include <dev/acpi/acpivar.h>
     58 
     59 struct spic_acpi_softc {
     60 	struct spic_softc sc_spic;	/* spic device */
     61 
     62 	struct acpi_devnode *sc_node;	/* our ACPI devnode */
     63 
     64 	struct acpi_resources sc_res;	/* our bus resources */
     65 
     66 	void *sc_ih;
     67 };
     68 
     69 int	spic_acpi_match(struct device *, struct cfdata *, void *);
     70 void	spic_acpi_attach(struct device *, struct device *, void *);
     71 
     72 struct cfattach spic_acpi_ca = {
     73 	sizeof(struct spic_acpi_softc), spic_acpi_match, spic_acpi_attach,
     74 	/* spic_acpi_detach, spic_acpi_activate */
     75 };
     76 
     77 int
     78 spic_acpi_match(struct device *parent, struct cfdata *match, void *aux)
     79 {
     80 	struct acpi_attach_args *aa = aux;
     81 
     82 	if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
     83 		return (0);
     84 
     85 	if (strcmp(aa->aa_node->ad_devinfo.HardwareId, "SNY6001") == 0)
     86 		return (1);
     87 
     88 	return (0);
     89 }
     90 
     91 void
     92 spic_acpi_attach(struct device *parent, struct device *self, void *aux)
     93 {
     94 	struct spic_acpi_softc *sc = (void *) self;
     95 	struct acpi_attach_args *aa = aux;
     96 	struct acpi_io *io;
     97 	struct acpi_irq *irq;
     98 	ACPI_STATUS rv;
     99 
    100 	printf(": Sony Programmable I/O Controller\n");
    101 
    102 	sc->sc_node = aa->aa_node;
    103 
    104 	/* Parse our resources. */
    105 	rv = acpi_resource_parse(&sc->sc_spic.sc_dev, sc->sc_node, &sc->sc_res,
    106 	    &acpi_resource_parse_ops_default);
    107 	if (rv != AE_OK) {
    108 		printf("%s: unable to parse resources: %d\n",
    109 		    sc->sc_spic.sc_dev.dv_xname, rv);
    110 		return;
    111 	}
    112 
    113 	sc->sc_spic.sc_iot = aa->aa_iot;
    114 	io = acpi_res_io(&sc->sc_res, 0);
    115 	if (io == NULL) {
    116 		printf("%s: unable to find io resource\n",
    117 		    sc->sc_spic.sc_dev.dv_xname);
    118 		return;
    119 	}
    120 	if (bus_space_map(sc->sc_spic.sc_iot, io->ar_base, io->ar_length,
    121 	    0, &sc->sc_spic.sc_ioh) != 0) {
    122 		printf("%s: unable to map data register\n",
    123 		    sc->sc_spic.sc_dev.dv_xname);
    124 		return;
    125 	}
    126 	irq = acpi_res_irq(&sc->sc_res, 0);
    127 	if (irq == NULL) {
    128 		printf("%s: unable to find irq resource\n",
    129 		    sc->sc_spic.sc_dev.dv_xname);
    130 		/* XXX unmap */
    131 		return;
    132 	}
    133 #if 0
    134 	sc->sc_ih = isa_intr_establish(NULL, irq->ar_irq,
    135 	    IST_EDGE, IPL_TTY, spic_intr, sc);
    136 #endif
    137 
    138 	spic_attach(&sc->sc_spic);
    139 }
    140 
    141