svn commit: r188884 - projects/mips/sys/mips/atheros
Oleksandr Tymoshenko
gonzo at FreeBSD.org
Fri Feb 20 19:36:44 PST 2009
Author: gonzo
Date: Sat Feb 21 03:36:43 2009
New Revision: 188884
URL: http://svn.freebsd.org/changeset/base/188884
Log:
- Add integrated OHCI controller driver, just a
wrapper around generic ohci driver
Added:
projects/mips/sys/mips/atheros/ar71xx_ohci.c
Modified:
projects/mips/sys/mips/atheros/files.ar71xx
Added: projects/mips/sys/mips/atheros/ar71xx_ohci.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/mips/sys/mips/atheros/ar71xx_ohci.c Sat Feb 21 03:36:43 2009 (r188884)
@@ -0,0 +1,205 @@
+/*-
+ * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo at FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 unmodified, 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 AUTHOR 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 AUTHOR 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>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/bus.h>
+#include <sys/queue.h>
+#include <machine/bus.h>
+#include <sys/rman.h>
+#include <machine/resource.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>
+
+static int ar71xx_ohci_attach(device_t dev);
+static int ar71xx_ohci_detach(device_t dev);
+static int ar71xx_ohci_probe(device_t dev);
+
+struct ar71xx_ohci_softc
+{
+ struct ohci_softc sc_ohci;
+};
+
+static int
+ar71xx_ohci_probe(device_t dev)
+{
+ device_set_desc(dev, "AR71XX integrated OHCI controller");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+ar71xx_ohci_attach(device_t dev)
+{
+ struct ar71xx_ohci_softc *sc = device_get_softc(dev);
+ int err;
+ int rid;
+
+ rid = 0;
+ sc->sc_ohci.io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
+ RF_ACTIVE);
+ if (sc->sc_ohci.io_res == NULL) {
+ err = ENOMEM;
+ goto error;
+ }
+ sc->sc_ohci.iot = rman_get_bustag(sc->sc_ohci.io_res);
+ sc->sc_ohci.ioh = rman_get_bushandle(sc->sc_ohci.io_res);
+
+ rid = 0;
+ sc->sc_ohci.irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
+ RF_ACTIVE);
+ if (sc->sc_ohci.irq_res == NULL) {
+ err = ENOMEM;
+ goto error;
+ }
+ sc->sc_ohci.sc_bus.bdev = device_add_child(dev, "usb", -1);
+ if (sc->sc_ohci.sc_bus.bdev == NULL) {
+ err = ENOMEM;
+ goto error;
+ }
+ device_set_ivars(sc->sc_ohci.sc_bus.bdev, &sc->sc_ohci.sc_bus);
+
+ /* Allocate a parent dma tag for DMA maps */
+ err = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
+ BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
+ BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0,
+ NULL, NULL, &sc->sc_ohci.sc_bus.parent_dmatag);
+ if (err) {
+ device_printf(dev, "Could not allocate parent DMA tag (%d)\n",
+ err);
+ err = ENXIO;
+ goto error;
+ }
+
+ /* Allocate a dma tag for transfer buffers */
+ err = bus_dma_tag_create(sc->sc_ohci.sc_bus.parent_dmatag, 1, 0,
+ BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
+ BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0,
+ busdma_lock_mutex, &Giant, &sc->sc_ohci.sc_bus.buffer_dmatag);
+ if (err) {
+ device_printf(dev, "Could not allocate transfer tag (%d)\n",
+ err);
+ err = ENXIO;
+ goto error;
+ }
+
+ err = bus_setup_intr(dev, sc->sc_ohci.irq_res, INTR_TYPE_BIO, NULL,
+ ohci_intr, sc, &sc->sc_ohci.ih);
+ if (err) {
+ err = ENXIO;
+ goto error;
+ }
+ strlcpy(sc->sc_ohci.sc_vendor, "Atheros",
+ sizeof(sc->sc_ohci.sc_vendor));
+
+ bus_space_write_4(sc->sc_ohci.iot, sc->sc_ohci.ioh, OHCI_CONTROL, 0);
+
+ err = ohci_init(&sc->sc_ohci);
+ if (!err) {
+ sc->sc_ohci.sc_flags |= OHCI_SCFLG_DONEINIT;
+ err = device_probe_and_attach(sc->sc_ohci.sc_bus.bdev);
+ }
+
+error:
+ if (err) {
+ ar71xx_ohci_detach(dev);
+ return (err);
+ }
+ return (err);
+}
+
+static int
+ar71xx_ohci_detach(device_t dev)
+{
+ struct ar71xx_ohci_softc *sc = device_get_softc(dev);
+
+ if (sc->sc_ohci.sc_flags & OHCI_SCFLG_DONEINIT) {
+ ohci_detach(&sc->sc_ohci, 0);
+ sc->sc_ohci.sc_flags &= ~OHCI_SCFLG_DONEINIT;
+ }
+
+ if (sc->sc_ohci.ih) {
+ bus_teardown_intr(dev, sc->sc_ohci.irq_res, sc->sc_ohci.ih);
+ sc->sc_ohci.ih = NULL;
+ }
+
+ if (sc->sc_ohci.sc_bus.parent_dmatag != NULL)
+ bus_dma_tag_destroy(sc->sc_ohci.sc_bus.parent_dmatag);
+ if (sc->sc_ohci.sc_bus.buffer_dmatag != NULL)
+ bus_dma_tag_destroy(sc->sc_ohci.sc_bus.buffer_dmatag);
+
+ if (sc->sc_ohci.sc_bus.bdev) {
+ device_delete_child(dev, sc->sc_ohci.sc_bus.bdev);
+ sc->sc_ohci.sc_bus.bdev = NULL;
+ }
+ if (sc->sc_ohci.irq_res) {
+ bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_ohci.irq_res);
+ sc->sc_ohci.irq_res = NULL;
+ }
+ if (sc->sc_ohci.io_res) {
+ bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_ohci.io_res);
+ sc->sc_ohci.io_res = NULL;
+ sc->sc_ohci.iot = 0;
+ sc->sc_ohci.ioh = 0;
+ }
+ return (0);
+}
+
+static device_method_t ohci_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, ar71xx_ohci_probe),
+ DEVMETHOD(device_attach, ar71xx_ohci_attach),
+ DEVMETHOD(device_detach, ar71xx_ohci_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+ /* Bus interface */
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+ {0, 0}
+};
+
+static driver_t ohci_driver = {
+ "ohci",
+ ohci_methods,
+ sizeof(struct ar71xx_ohci_softc),
+};
+
+static devclass_t ohci_devclass;
+
+DRIVER_MODULE(ohci, apb, ohci_driver, ohci_devclass, 0, 0);
Modified: projects/mips/sys/mips/atheros/files.ar71xx
==============================================================================
--- projects/mips/sys/mips/atheros/files.ar71xx Sat Feb 21 03:14:44 2009 (r188883)
+++ projects/mips/sys/mips/atheros/files.ar71xx Sat Feb 21 03:36:43 2009 (r188884)
@@ -2,6 +2,7 @@
mips/atheros/apb.c standard
mips/atheros/ar71xx_machdep.c standard
+mips/atheros/ar71xx_ohci.c optional ohci
mips/atheros/ar71xx_pci.c optional pci
mips/atheros/if_arge.c optional arge
mips/atheros/uart_bus_ar71xx.c optional uart
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