1 /* 2 * Copyright 2015 Andrew Turner. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/kernel.h> 30 #include <sys/bus.h> 31 #include <sys/callout.h> 32 #include <sys/condvar.h> 33 #include <sys/module.h> 34 35 #include <dev/ofw/ofw_bus_subr.h> 36 37 #include <dev/usb/usb.h> 38 #include <dev/usb/usbdi.h> 39 40 #include <dev/usb/usb_busdma.h> 41 #include <dev/usb/usb_process.h> 42 43 #include <dev/usb/usb_controller.h> 44 #include <dev/usb/usb_bus.h> 45 46 #include <dev/usb/controller/dwc_otg.h> 47 #include <dev/usb/controller/dwc_otg_fdt.h> 48 49 static device_probe_t hisi_dwc_otg_probe; 50 static device_attach_t hisi_dwc_otg_attach; 51 52 static int 53 hisi_dwc_otg_probe(device_t dev) 54 { 55 56 if (!ofw_bus_status_okay(dev)) 57 return (ENXIO); 58 59 if (!ofw_bus_is_compatible(dev, "huawei,hisi-usb")) 60 return (ENXIO); 61 62 device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (hisilicon)"); 63 64 return (BUS_PROBE_VENDOR); 65 } 66 67 static int 68 hisi_dwc_otg_attach(device_t dev) 69 { 70 struct dwc_otg_fdt_softc *sc; 71 72 /* Set the default to host mode. */ 73 /* TODO: Use vbus to detect this. */ 74 sc = device_get_softc(dev); 75 sc->sc_otg.sc_mode = DWC_MODE_HOST; 76 77 return (dwc_otg_attach(dev)); 78 } 79 80 static device_method_t hisi_dwc_otg_methods[] = { 81 /* bus interface */ 82 DEVMETHOD(device_probe, hisi_dwc_otg_probe), 83 DEVMETHOD(device_attach, hisi_dwc_otg_attach), 84 85 DEVMETHOD_END 86 }; 87 88 DEFINE_CLASS_1(hisi_dwcotg, hisi_dwc_otg_driver, hisi_dwc_otg_methods, 89 sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver); 90 DRIVER_MODULE(hisi_dwcotg, simplebus, hisi_dwc_otg_driver, 0, 0); 91 MODULE_DEPEND(hisi_dwcotg, usb, 1, 1, 1); 92