157 lines
4.6 KiB
C
157 lines
4.6 KiB
C
/* $NetBSD: xhci_acpi.c,v 1.3 2019/02/16 23:28:56 tron Exp $ */
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/*-
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* Copyright (c) 2018 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 Jared McNeill <jmcneill@invisible.ca>.
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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: xhci_acpi.c,v 1.3 2019/02/16 23:28:56 tron Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <sys/device.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/xhcireg.h>
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#include <dev/usb/xhcivar.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/acpi/acpi_intr.h>
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#include <dev/acpi/acpi_usb.h>
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static const char * const compatible[] = {
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"PNP0D10", /* XHCI-compliant USB controller without standard debug */
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"PNP0D15", /* XHCI-compliant USB controller with standard debug */
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NULL
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};
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struct xhci_acpi_softc {
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struct xhci_softc sc_xhci;
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ACPI_HANDLE sc_handle;
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};
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static int xhci_acpi_match(device_t, cfdata_t, void *);
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static void xhci_acpi_attach(device_t, device_t, void *);
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static void xhci_acpi_init(struct xhci_softc *);
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CFATTACH_DECL2_NEW(xhci_acpi, sizeof(struct xhci_acpi_softc),
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xhci_acpi_match, xhci_acpi_attach, NULL,
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xhci_activate, NULL, xhci_childdet);
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static int
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xhci_acpi_match(device_t parent, cfdata_t cf, 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, compatible);
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}
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static void
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xhci_acpi_attach(device_t parent, device_t self, void *aux)
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{
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struct xhci_acpi_softc * const asc = device_private(self);
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struct xhci_softc * const sc = &asc->sc_xhci;
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struct acpi_attach_args *aa = aux;
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struct acpi_resources res;
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struct acpi_mem *mem;
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struct acpi_irq *irq;
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ACPI_STATUS rv;
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int error;
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void *ih;
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asc->sc_handle = aa->aa_node->ad_handle;
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sc->sc_dev = self;
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sc->sc_bus.ub_hcpriv = sc;
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sc->sc_bus.ub_dmatag = aa->aa_dmat;
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sc->sc_bus.ub_revision = USBREV_3_0;
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sc->sc_quirks = 0;
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sc->sc_vendor_init = xhci_acpi_init;
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rv = acpi_resource_parse(sc->sc_dev, asc->sc_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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mem = acpi_res_mem(&res, 0);
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if (mem == NULL) {
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aprint_error_dev(self, "couldn't find mem resource\n");
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goto done;
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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, "couldn't find irq resource\n");
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goto done;
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}
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sc->sc_ios = mem->ar_length;
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sc->sc_iot = aa->aa_memt;
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error = bus_space_map(sc->sc_iot, mem->ar_base, mem->ar_length, 0, &sc->sc_ioh);
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if (error) {
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aprint_error_dev(self, "couldn't map registers\n");
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return;
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}
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ih = acpi_intr_establish(self, (uint64_t)aa->aa_node->ad_handle,
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IPL_USB, true, xhci_intr, sc, device_xname(self));
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if (ih == NULL) {
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aprint_error_dev(self, "couldn't establish interrupt\n");
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return;
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}
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error = xhci_init(sc);
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if (error) {
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aprint_error_dev(self, "init failed, error = %d\n", error);
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return;
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}
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sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
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sc->sc_child2 = config_found(self, &sc->sc_bus2, usbctlprint);
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done:
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acpi_resource_cleanup(&res);
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}
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static void
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xhci_acpi_init(struct xhci_softc *sc)
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{
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struct xhci_acpi_softc * const asc = (struct xhci_acpi_softc *)sc;
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acpi_usb_post_reset(asc->sc_handle);
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}
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