134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/* $NetBSD: spic_acpi.c,v 1.5 2010/01/30 18:35:49 jruoho Exp $ */
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/*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net).
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: spic_acpi.c,v 1.5 2010/01/30 18:35:49 jruoho Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/kernel.h>
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#include <sys/callout.h>
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#include <sys/bus.h>
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#include <dev/ic/spicvar.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#define _COMPONENT ACPI_RESOURCE_COMPONENT
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ACPI_MODULE_NAME ("spic_acpi")
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struct spic_acpi_softc {
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struct spic_softc sc_spic; /* spic device */
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struct acpi_devnode *sc_node; /* our ACPI devnode */
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void *sc_ih;
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};
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static const char * const spic_acpi_ids[] = {
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"SNY6001",
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NULL
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};
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static int spic_acpi_match(device_t, cfdata_t, void *);
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static void spic_acpi_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(spic_acpi, sizeof(struct spic_acpi_softc),
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spic_acpi_match, spic_acpi_attach, NULL, NULL);
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static int
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spic_acpi_match(device_t parent, cfdata_t match, void *aux)
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{
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struct acpi_attach_args *aa = aux;
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if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
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return (0);
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return (acpi_match_hid(aa->aa_node->ad_devinfo, spic_acpi_ids));
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}
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static void
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spic_acpi_attach(device_t parent, device_t self, void *aux)
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{
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struct spic_acpi_softc *sc = device_private(self);
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struct acpi_attach_args *aa = aux;
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struct acpi_io *io;
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struct acpi_irq *irq;
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struct acpi_resources res;
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ACPI_STATUS rv;
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sc->sc_spic.sc_dev = self;
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sc->sc_node = aa->aa_node;
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/* Parse our resources. */
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rv = acpi_resource_parse(self, sc->sc_node->ad_handle,
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"_CRS", &res, &acpi_resource_parse_ops_default);
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if (ACPI_FAILURE(rv))
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return;
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sc->sc_spic.sc_iot = aa->aa_iot;
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io = acpi_res_io(&res, 0);
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if (io == NULL) {
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aprint_error_dev(self, "unable to find io resource\n");
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goto out;
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}
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if (bus_space_map(sc->sc_spic.sc_iot, io->ar_base, io->ar_length,
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0, &sc->sc_spic.sc_ioh) != 0) {
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aprint_error_dev(self, "unable to map data register\n");
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goto out;
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}
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irq = acpi_res_irq(&res, 0);
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if (irq == NULL) {
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aprint_error_dev(self, "unable to find irq resource\n");
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/* XXX unmap */
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goto out;
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}
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#if 0
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sc->sc_ih = isa_intr_establish(NULL, irq->ar_irq,
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IST_EDGE, IPL_TTY, spic_intr, sc);
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#endif
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if (!pmf_device_register(self, spic_suspend, spic_resume))
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aprint_error_dev(self, "couldn't establish power handler\n");
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else
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pmf_class_input_register(self);
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spic_attach(&sc->sc_spic);
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out:
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acpi_resource_cleanup(&res);
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}
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