diff options
Diffstat (limited to 'sys/dev/usb2/controller/ohci2_atmelarm.c')
| -rw-r--r-- | sys/dev/usb2/controller/ohci2_atmelarm.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/sys/dev/usb2/controller/ohci2_atmelarm.c b/sys/dev/usb2/controller/ohci2_atmelarm.c deleted file mode 100644 index a7f086c..0000000 --- a/sys/dev/usb2/controller/ohci2_atmelarm.c +++ /dev/null @@ -1,224 +0,0 @@ -/*- - * Copyright (c) 2006 M. Warner Losh. 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 ``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 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 <dev/usb2/include/usb2_mfunc.h> -#include <dev/usb2/include/usb2_defs.h> -#include <dev/usb2/include/usb2_standard.h> - -#include <dev/usb2/core/usb2_core.h> -#include <dev/usb2/core/usb2_busdma.h> -#include <dev/usb2/core/usb2_process.h> -#include <dev/usb2/core/usb2_sw_transfer.h> -#include <dev/usb2/core/usb2_util.h> - -#include <dev/usb2/controller/usb2_controller.h> -#include <dev/usb2/controller/usb2_bus.h> -#include <dev/usb2/controller/ohci2.h> - -#include <sys/rman.h> - -#include <arm/at91/at91_pmcvar.h> - -#define MEM_RID 0 - -static device_probe_t ohci_atmelarm_probe; -static device_attach_t ohci_atmelarm_attach; -static device_detach_t ohci_atmelarm_detach; - -struct at91_ohci_softc { - struct ohci_softc sc_ohci; /* must be first */ - struct at91_pmc_clock *iclk; - struct at91_pmc_clock *fclk; -}; - -static int -ohci_atmelarm_probe(device_t dev) -{ - device_set_desc(dev, "AT91 integrated OHCI controller"); - return (BUS_PROBE_DEFAULT); -} - -static int -ohci_atmelarm_attach(device_t dev) -{ - struct at91_ohci_softc *sc = device_get_softc(dev); - int err; - int rid; - - /* initialise some bus fields */ - sc->sc_ohci.sc_bus.parent = dev; - sc->sc_ohci.sc_bus.devices = sc->sc_ohci.sc_devices; - sc->sc_ohci.sc_bus.devices_max = OHCI_MAX_DEVICES; - - /* get all DMA memory */ - if (usb2_bus_mem_alloc_all(&sc->sc_ohci.sc_bus, - USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc)) { - return (ENOMEM); - } - sc->iclk = at91_pmc_clock_ref("ohci_clk"); - sc->fclk = at91_pmc_clock_ref("uhpck"); - - sc->sc_ohci.sc_dev = dev; - - rid = MEM_RID; - sc->sc_ohci.sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, - &rid, RF_ACTIVE); - - if (!(sc->sc_ohci.sc_io_res)) { - err = ENOMEM; - goto error; - } - sc->sc_ohci.sc_io_tag = rman_get_bustag(sc->sc_ohci.sc_io_res); - sc->sc_ohci.sc_io_hdl = rman_get_bushandle(sc->sc_ohci.sc_io_res); - sc->sc_ohci.sc_io_size = rman_get_size(sc->sc_ohci.sc_io_res); - - rid = 0; - sc->sc_ohci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, - RF_ACTIVE); - if (!(sc->sc_ohci.sc_irq_res)) { - goto error; - } - sc->sc_ohci.sc_bus.bdev = device_add_child(dev, "usbus", -1); - if (!(sc->sc_ohci.sc_bus.bdev)) { - goto error; - } - device_set_ivars(sc->sc_ohci.sc_bus.bdev, &sc->sc_ohci.sc_bus); - - strlcpy(sc->sc_ohci.sc_vendor, "Atmel", sizeof(sc->sc_ohci.sc_vendor)); - -#if (__FreeBSD_version >= 700031) - err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - NULL, (void *)ohci_interrupt, sc, &sc->sc_ohci.sc_intr_hdl); -#else - err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - (void *)ohci_interrupt, sc, &sc->sc_ohci.sc_intr_hdl); -#endif - if (err) { - sc->sc_ohci.sc_intr_hdl = NULL; - goto error; - } - /* - * turn on the clocks from the AT91's point of view. Keep the unit in reset. - */ - at91_pmc_clock_enable(sc->iclk); - at91_pmc_clock_enable(sc->fclk); - bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl, - OHCI_CONTROL, 0); - - err = ohci_init(&sc->sc_ohci); - if (!err) { - err = device_probe_and_attach(sc->sc_ohci.sc_bus.bdev); - } - if (err) { - goto error; - } - return (0); - -error: - ohci_atmelarm_detach(dev); - return (ENXIO); -} - -static int -ohci_atmelarm_detach(device_t dev) -{ - struct at91_ohci_softc *sc = device_get_softc(dev); - device_t bdev; - int err; - - if (sc->sc_ohci.sc_bus.bdev) { - bdev = sc->sc_ohci.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); - - /* - * Put the controller into reset, then disable clocks and do - * the MI tear down. We have to disable the clocks/hardware - * after we do the rest of the teardown. We also disable the - * clocks in the opposite order we acquire them, but that - * doesn't seem to be absolutely necessary. We free up the - * clocks after we disable them, so the system could, in - * theory, reuse them. - */ - bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl, - OHCI_CONTROL, 0); - - at91_pmc_clock_disable(sc->fclk); - at91_pmc_clock_disable(sc->iclk); - at91_pmc_clock_deref(sc->fclk); - at91_pmc_clock_deref(sc->iclk); - - if (sc->sc_ohci.sc_irq_res && sc->sc_ohci.sc_intr_hdl) { - /* - * only call ohci_detach() after ohci_init() - */ - ohci_detach(&sc->sc_ohci); - - err = bus_teardown_intr(dev, sc->sc_ohci.sc_irq_res, sc->sc_ohci.sc_intr_hdl); - sc->sc_ohci.sc_intr_hdl = NULL; - } - if (sc->sc_ohci.sc_irq_res) { - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_ohci.sc_irq_res); - sc->sc_ohci.sc_irq_res = NULL; - } - if (sc->sc_ohci.sc_io_res) { - bus_release_resource(dev, SYS_RES_MEMORY, MEM_RID, - sc->sc_ohci.sc_io_res); - sc->sc_ohci.sc_io_res = NULL; - } - usb2_bus_mem_free_all(&sc->sc_ohci.sc_bus, &ohci_iterate_hw_softc); - - return (0); -} - -static device_method_t ohci_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, ohci_atmelarm_probe), - DEVMETHOD(device_attach, ohci_atmelarm_attach), - DEVMETHOD(device_detach, ohci_atmelarm_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 at91_ohci_softc), -}; - -static devclass_t ohci_devclass; - -DRIVER_MODULE(ohci, atmelarm, ohci_driver, ohci_devclass, 0, 0); -MODULE_DEPEND(ohci, usb2_controller, 1, 1, 1); -MODULE_DEPEND(ohci, usb2_core, 1, 1, 1); |
