8ecf8999bf
except the ppbus stuff (which doesn't compile) and ulpt(4) which is unrelated and can be dealt with separately. As usual, it comes with related cosmetic changes.
140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/* $NetBSD: lpt_acpi.c,v 1.16 2008/03/07 17:15:51 cube Exp $ */
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/*
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* Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca>
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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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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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__KERNEL_RCSID(0, "$NetBSD: lpt_acpi.c,v 1.16 2008/03/07 17:15:51 cube Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/termios.h>
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#include <sys/bus.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.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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#include <dev/ic/lptvar.h>
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static int lpt_acpi_match(device_t, cfdata_t, void *);
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static void lpt_acpi_attach(device_t, device_t, void *);
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struct lpt_acpi_softc {
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struct lpt_softc sc_lpt;
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};
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CFATTACH_DECL_NEW(lpt_acpi, sizeof(struct lpt_acpi_softc), lpt_acpi_match,
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lpt_acpi_attach, NULL, NULL);
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/*
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* Supported device IDs
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*/
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static const char * const lpt_acpi_ids[] = {
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"PNP04??", /* Standard LPT printer port */
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NULL
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};
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/*
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* lpt_acpi_match: autoconf(9) match routine
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*/
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static int
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lpt_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, lpt_acpi_ids);
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}
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/*
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* lpt_acpi_attach: autoconf(9) attach routine
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*/
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static void
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lpt_acpi_attach(device_t parent, device_t self, void *aux)
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{
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struct lpt_acpi_softc *asc = device_private(self);
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struct lpt_softc *sc = &asc->sc_lpt;
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struct acpi_attach_args *aa = aux;
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struct acpi_resources res;
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struct acpi_io *io;
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struct acpi_irq *irq;
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ACPI_STATUS rv;
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aprint_naive("\n");
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aprint_normal("\n");
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sc->sc_dev = self;
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/* parse resources */
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rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS",
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&res, &acpi_resource_parse_ops_default);
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if (ACPI_FAILURE(rv))
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return;
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/* find our i/o registers */
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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,
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"unable to find i/o register resource\n");
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goto out;
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}
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/* find our IRQ */
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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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goto out;
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}
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sc->sc_iot = aa->aa_iot;
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if (bus_space_map(sc->sc_iot, io->ar_base, io->ar_length,
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0, &sc->sc_ioh)) {
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aprint_error_dev(self, "can't map i/o space\n");
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goto out;
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}
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lpt_attach_subr(sc);
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sc->sc_ih = isa_intr_establish(aa->aa_ic, irq->ar_irq,
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(irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL,
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IPL_TTY, lptintr, sc);
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out:
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acpi_resource_cleanup(&res);
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}
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