diff options
Diffstat (limited to 'sys/dev/usb/controller/uss820dci_atmelarm.c')
| -rw-r--r-- | sys/dev/usb/controller/uss820dci_atmelarm.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/uss820dci_atmelarm.c b/sys/dev/usb/controller/uss820dci_atmelarm.c new file mode 100644 index 0000000..ddbffd7 --- /dev/null +++ b/sys/dev/usb/controller/uss820dci_atmelarm.c @@ -0,0 +1,238 @@ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/*- + * Copyright (c) 2008 Hans Petter Selasky <hselasky@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, 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 <dev/usb/usb_mfunc.h> +#include <dev/usb/usb_defs.h> +#include <dev/usb/usb.h> + +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_process.h> +#include <dev/usb/usb_sw_transfer.h> +#include <dev/usb/usb_util.h> + +#include <dev/usb/usb_controller.h> +#include <dev/usb/usb_bus.h> +#include <dev/usb/controller/uss820dci.h> + +#include <sys/rman.h> + +static device_probe_t uss820_atmelarm_probe; +static device_attach_t uss820_atmelarm_attach; +static device_detach_t uss820_atmelarm_detach; +static device_suspend_t uss820_atmelarm_suspend; +static device_resume_t uss820_atmelarm_resume; +static device_shutdown_t uss820_atmelarm_shutdown; + +static device_method_t uss820dci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uss820_atmelarm_probe), + DEVMETHOD(device_attach, uss820_atmelarm_attach), + DEVMETHOD(device_detach, uss820_atmelarm_detach), + DEVMETHOD(device_suspend, uss820_atmelarm_suspend), + DEVMETHOD(device_resume, uss820_atmelarm_resume), + DEVMETHOD(device_shutdown, uss820_atmelarm_shutdown), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + + {0, 0} +}; + +static driver_t uss820dci_driver = { + .name = "uss820", + .methods = uss820dci_methods, + .size = sizeof(struct uss820dci_softc), +}; + +static devclass_t uss820dci_devclass; + +DRIVER_MODULE(uss820, atmelarm, uss820dci_driver, uss820dci_devclass, 0, 0); +MODULE_DEPEND(uss820, usb, 1, 1, 1); + +static const char *const uss820_desc = "USS820 USB Device Controller"; + +static int +uss820_atmelarm_suspend(device_t dev) +{ + struct uss820dci_softc *sc = device_get_softc(dev); + int err; + + err = bus_generic_suspend(dev); + if (err == 0) { + uss820dci_suspend(sc); + } + return (err); +} + +static int +uss820_atmelarm_resume(device_t dev) +{ + struct uss820dci_softc *sc = device_get_softc(dev); + int err; + + uss820dci_resume(sc); + + err = bus_generic_resume(dev); + + return (err); +} + +static int +uss820_atmelarm_shutdown(device_t dev) +{ + struct uss820dci_softc *sc = device_get_softc(dev); + int err; + + err = bus_generic_shutdown(dev); + if (err) + return (err); + + uss820dci_uninit(sc); + + return (0); +} + +static int +uss820_atmelarm_probe(device_t dev) +{ + device_set_desc(dev, uss820_desc); + return (0); /* success */ +} + +static int +uss820_atmelarm_attach(device_t dev) +{ + struct uss820dci_softc *sc = device_get_softc(dev); + int err; + int rid; + + /* initialise some bus fields */ + sc->sc_bus.parent = dev; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = USS820_MAX_DEVICES; + + /* get all DMA memory */ + if (usb2_bus_mem_alloc_all(&sc->sc_bus, + USB_GET_DMA_TAG(dev), NULL)) { + return (ENOMEM); + } + rid = 0; + sc->sc_io_res = + bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); + + if (!sc->sc_io_res) { + goto error; + } + sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); + sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); + sc->sc_io_size = rman_get_size(sc->sc_io_res); + + /* multiply all addresses by 4 */ + sc->sc_reg_shift = 2; + + rid = 0; + sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + goto error; + } + sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); + if (!(sc->sc_bus.bdev)) { + goto error; + } + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + +#if (__FreeBSD_version >= 700031) + err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (void *)uss820dci_interrupt, sc, &sc->sc_intr_hdl); +#else + err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + (void *)uss820dci_interrupt, sc, &sc->sc_intr_hdl); +#endif + if (err) { + sc->sc_intr_hdl = NULL; + goto error; + } + err = uss820dci_init(sc); + if (err) { + device_printf(dev, "Init failed\n"); + goto error; + } + err = device_probe_and_attach(sc->sc_bus.bdev); + if (err) { + device_printf(dev, "USB probe and attach failed\n"); + goto error; + } + return (0); + +error: + uss820_atmelarm_detach(dev); + return (ENXIO); +} + +static int +uss820_atmelarm_detach(device_t dev) +{ + struct uss820dci_softc *sc = device_get_softc(dev); + device_t bdev; + int err; + + if (sc->sc_bus.bdev) { + bdev = sc->sc_bus.bdev; + device_detach(bdev); + device_delete_child(dev, bdev); + } + /* during module unload there are lots of children leftover */ + device_delete_all_children(dev); + + if (sc->sc_irq_res && sc->sc_intr_hdl) { + /* + * only call at91_udp_uninit() after at91_udp_init() + */ + uss820dci_uninit(sc); + + err = bus_teardown_intr(dev, sc->sc_irq_res, + sc->sc_intr_hdl); + sc->sc_intr_hdl = NULL; + } + if (sc->sc_irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, 0, + sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + if (sc->sc_io_res) { + bus_release_resource(dev, SYS_RES_IOPORT, 0, + sc->sc_io_res); + sc->sc_io_res = NULL; + } + usb2_bus_mem_free_all(&sc->sc_bus, NULL); + + return (0); +} |
