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[src/trunk]: src/sys/dev/acpi Add ohci at acpi bindings. No known PNP IDs for...



details:   https://anonhg.NetBSD.org/src/rev/1126fb4375be
branches:  trunk
changeset: 1029154:1126fb4375be
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Dec 24 00:24:49 2021 +0000

description:
Add ohci at acpi bindings. No known PNP IDs for this, so match using _CLS
and the PCI class/subclass/interface codes. Maybe this will take off.

diffstat:

 sys/arch/evbarm/conf/GENERIC64 |    3 +-
 sys/dev/acpi/files.acpi        |    6 +-
 sys/dev/acpi/ohci_acpi.c       |  142 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 149 insertions(+), 2 deletions(-)

diffs (184 lines):

diff -r dc0ca110bec8 -r 1126fb4375be sys/arch/evbarm/conf/GENERIC64
--- a/sys/arch/evbarm/conf/GENERIC64    Fri Dec 24 00:14:03 2021 +0000
+++ b/sys/arch/evbarm/conf/GENERIC64    Fri Dec 24 00:24:49 2021 +0000
@@ -1,5 +1,5 @@
 #
-#      $NetBSD: GENERIC64,v 1.188 2021/11/27 19:55:20 ryo Exp $
+#      $NetBSD: GENERIC64,v 1.189 2021/12/24 00:24:49 jmcneill Exp $
 #
 #      GENERIC ARM (aarch64) kernel
 #
@@ -515,6 +515,7 @@
 motg*          at fdt?                 # Mentor Graphics USB OTG
 ohci*          at fdt?                 # OHCI
 ohci*          at pci?                 # OHCI
+ohci*          at acpi?                # OHCI
 xhci*          at fdt?                 # XHCI
 xhci*          at pci?                 # XHCI
 xhci*          at acpi?                # XHCI
diff -r dc0ca110bec8 -r 1126fb4375be sys/dev/acpi/files.acpi
--- a/sys/dev/acpi/files.acpi   Fri Dec 24 00:14:03 2021 +0000
+++ b/sys/dev/acpi/files.acpi   Fri Dec 24 00:24:49 2021 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.acpi,v 1.120 2021/01/24 18:02:51 jmcneill Exp $
+#      $NetBSD: files.acpi,v 1.121 2021/12/24 00:24:49 jmcneill Exp $
 
 include "dev/acpi/acpica/files.acpica"
 
@@ -277,6 +277,10 @@
 attach virtio at acpinodebus with virtio_acpi
 file   dev/acpi/virtio_acpi.c          virtio_acpi
 
+# OHCI-compliant USB controller
+attach ohci at acpinodebus with ohci_acpi
+file   dev/acpi/ohci_acpi.c            ohci_acpi
+
 # EHCI-compliant USB controller
 attach ehci at acpinodebus with ehci_acpi
 file   dev/acpi/ehci_acpi.c            ehci_acpi
diff -r dc0ca110bec8 -r 1126fb4375be sys/dev/acpi/ohci_acpi.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/acpi/ohci_acpi.c  Fri Dec 24 00:24:49 2021 +0000
@@ -0,0 +1,142 @@
+/* $NetBSD: ohci_acpi.c,v 1.1 2021/12/24 00:24:49 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jared McNeill <jmcneill%invisible.ca@localhost>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: ohci_acpi.c,v 1.1 2021/12/24 00:24:49 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/cpu.h>
+#include <sys/device.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdivar.h>
+#include <dev/usb/usb_mem.h>
+#include <dev/usb/ohcireg.h>
+#include <dev/usb/ohcivar.h>
+
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpivar.h>
+#include <dev/acpi/acpi_intr.h>
+#include <dev/acpi/acpi_usb.h>
+
+#include <dev/pci/pcireg.h>
+
+static int     ohci_acpi_match(device_t, cfdata_t, void *);
+static void    ohci_acpi_attach(device_t, device_t, void *);
+
+CFATTACH_DECL2_NEW(ohci_acpi, sizeof(struct ohci_softc),
+       ohci_acpi_match, ohci_acpi_attach, NULL,
+       ohci_activate, NULL, ohci_childdet);
+
+static int
+ohci_acpi_match(device_t parent, cfdata_t cf, void *aux)
+{
+       struct acpi_attach_args *aa = aux;
+
+       if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) {
+               return 0;
+       }
+
+       return acpi_match_class(aa->aa_node->ad_handle,
+           PCI_CLASS_SERIALBUS,
+           PCI_SUBCLASS_SERIALBUS_USB,
+           PCI_INTERFACE_OHCI);
+}
+
+static void
+ohci_acpi_attach(device_t parent, device_t self, void *aux)
+{
+       struct ohci_softc * const sc = device_private(self);
+       struct acpi_attach_args *aa = aux;
+       struct acpi_resources res;
+       struct acpi_mem *mem;
+       struct acpi_irq *irq;
+       ACPI_STATUS rv;
+       int error;
+       void *ih;
+
+       sc->sc_dev = self;
+       sc->sc_bus.ub_hcpriv = sc;
+       sc->sc_bus.ub_dmatag = aa->aa_dmat;
+       sc->sc_bus.ub_revision = USBREV_1_0;
+
+       rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS",
+           &res, &acpi_resource_parse_ops_default);
+       if (ACPI_FAILURE(rv)) {
+               return;
+       }
+
+       mem = acpi_res_mem(&res, 0);
+       if (mem == NULL) {
+               aprint_error_dev(self, "couldn't find mem resource\n");
+               goto done;
+       }
+
+       irq = acpi_res_irq(&res, 0);
+       if (irq == NULL) {
+               aprint_error_dev(self, "couldn't find irq resource\n");
+               goto done;
+       }
+
+       sc->sc_size = mem->ar_length;
+       sc->iot = aa->aa_memt;
+       error = bus_space_map(sc->iot, mem->ar_base, mem->ar_length, 0, &sc->ioh);
+       if (error) {
+               aprint_error_dev(self, "couldn't map registers\n");
+               goto done;
+       }
+
+       /* Disable interrupts */
+       bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
+           OHCI_ALL_INTRS);
+
+       ih = acpi_intr_establish(self,
+           (uint64_t)(uintptr_t)aa->aa_node->ad_handle,
+           IPL_USB, true, ohci_intr, sc, device_xname(self));
+       if (ih == NULL) {
+               aprint_error_dev(self, "couldn't establish interrupt\n");
+               goto done;
+       }
+
+       error = ohci_init(sc);
+       if (error) {
+               aprint_error_dev(self, "init failed, error = %d\n", error);
+               acpi_intr_disestablish(ih);
+               goto done;
+       }
+
+       sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE);
+
+done:
+       acpi_resource_cleanup(&res);
+}



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