103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: spic_acpi.c,v 1.1 2002/04/22 12:42:56 augustss 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 <machine/bus.h>
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void *isa_intr_establish(void *ic, int irq, int type,
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int level, int (*ih_fun)(void *), void *ih_arg);
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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/acpivar.h>
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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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struct acpi_resources sc_res; /* our bus resources */
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void *sc_ih;
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};
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int spic_acpi_match(struct device *, struct cfdata *, void *);
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void spic_acpi_attach(struct device *, struct device *, void *);
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struct cfattach spic_acpi_ca = {
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sizeof(struct spic_acpi_softc), spic_acpi_match, spic_acpi_attach,
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/* spic_acpi_detach, spic_acpi_activate */
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};
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int
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spic_acpi_match(struct device *parent, struct cfdata *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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if (strcmp(aa->aa_node->ad_devinfo.HardwareId, "SNY6001") == 0)
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return (1);
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return (0);
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}
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void
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spic_acpi_attach(struct device *parent, struct device *self, void *aux)
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{
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struct spic_acpi_softc *sc = (void *) 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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ACPI_STATUS rv;
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printf(": Sony Programmable I/O Controller\n");
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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(&sc->sc_spic.sc_dev, sc->sc_node, &sc->sc_res,
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&acpi_resource_parse_ops_default);
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if (rv != AE_OK) {
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printf("%s: unable to parse resources: %d\n",
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sc->sc_spic.sc_dev.dv_xname, rv);
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return;
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}
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sc->sc_spic.sc_iot = aa->aa_iot;
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io = acpi_res_io(&sc->sc_res, 0);
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if (io == NULL) {
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printf("%s: unable to find io resource\n",
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sc->sc_spic.sc_dev.dv_xname);
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return;
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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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printf("%s: unable to map data register\n",
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sc->sc_spic.sc_dev.dv_xname);
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return;
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}
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irq = acpi_res_irq(&sc->sc_res, 0);
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if (irq == NULL) {
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printf("%s: unable to find irq resource\n",
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sc->sc_spic.sc_dev.dv_xname);
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/* XXX unmap */
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return;
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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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spic_attach(&sc->sc_spic);
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}
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