1297670Ssgalabov#include <sys/cdefs.h> 2297670Ssgalabov__FBSDID("$FreeBSD: releng/11.0/sys/mips/mediatek/mtk_dotg.c 297670 2016-04-07 11:20:03Z sgalabov $"); 3297670Ssgalabov 4297670Ssgalabov/*- 5297670Ssgalabov * Copyright (c) 2015-2016 Stanislav Galabov. All rights reserved. 6297670Ssgalabov * Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved. 7297670Ssgalabov * Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved. 8297670Ssgalabov * 9297670Ssgalabov * Redistribution and use in source and binary forms, with or without 10297670Ssgalabov * modification, are permitted provided that the following conditions 11297670Ssgalabov * are met: 12297670Ssgalabov * 1. Redistributions of source code must retain the above copyright 13297670Ssgalabov * notice, this list of conditions and the following disclaimer. 14297670Ssgalabov * 2. Redistributions in binary form must reproduce the above copyright 15297670Ssgalabov * notice, this list of conditions and the following disclaimer in the 16297670Ssgalabov * documentation and/or other materials provided with the distribution. 17297670Ssgalabov * 18297670Ssgalabov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19297670Ssgalabov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20297670Ssgalabov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21297670Ssgalabov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22297670Ssgalabov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23297670Ssgalabov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24297670Ssgalabov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25297670Ssgalabov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26297670Ssgalabov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27297670Ssgalabov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28297670Ssgalabov * SUCH DAMAGE. 29297670Ssgalabov */ 30297670Ssgalabov 31297670Ssgalabov#include <sys/stdint.h> 32297670Ssgalabov#include <sys/stddef.h> 33297670Ssgalabov#include <sys/param.h> 34297670Ssgalabov#include <sys/queue.h> 35297670Ssgalabov#include <sys/types.h> 36297670Ssgalabov#include <sys/systm.h> 37297670Ssgalabov#include <sys/kernel.h> 38297670Ssgalabov#include <sys/bus.h> 39297670Ssgalabov#include <sys/module.h> 40297670Ssgalabov#include <sys/lock.h> 41297670Ssgalabov#include <sys/mutex.h> 42297670Ssgalabov#include <sys/condvar.h> 43297670Ssgalabov#include <sys/sysctl.h> 44297670Ssgalabov#include <sys/sx.h> 45297670Ssgalabov#include <sys/unistd.h> 46297670Ssgalabov#include <sys/callout.h> 47297670Ssgalabov#include <sys/malloc.h> 48297670Ssgalabov#include <sys/priv.h> 49297670Ssgalabov#include <sys/rman.h> 50297670Ssgalabov 51297670Ssgalabov#include <dev/usb/usb.h> 52297670Ssgalabov#include <dev/usb/usbdi.h> 53297670Ssgalabov 54297670Ssgalabov#include <dev/usb/usb_core.h> 55297670Ssgalabov#include <dev/usb/usb_busdma.h> 56297670Ssgalabov#include <dev/usb/usb_process.h> 57297670Ssgalabov#include <dev/usb/usb_util.h> 58297670Ssgalabov 59297670Ssgalabov#include <dev/usb/usb_controller.h> 60297670Ssgalabov#include <dev/usb/usb_bus.h> 61297670Ssgalabov 62297670Ssgalabov#include <dev/usb/controller/dwc_otg.h> 63297670Ssgalabov 64297670Ssgalabov#include <dev/ofw/openfirm.h> 65297670Ssgalabov#include <dev/ofw/ofw_bus.h> 66297670Ssgalabov#include <dev/ofw/ofw_bus_subr.h> 67297670Ssgalabov 68297670Ssgalabov#define MEM_RID 0 69297670Ssgalabov 70297670Ssgalabovstatic device_probe_t dotg_fdt_probe; 71297670Ssgalabovstatic device_attach_t dotg_fdt_attach; 72297670Ssgalabovstatic device_detach_t dotg_fdt_detach; 73297670Ssgalabov 74297670Ssgalabovstatic int 75297670Ssgalabovdotg_fdt_probe(device_t dev) 76297670Ssgalabov{ 77297670Ssgalabov 78297670Ssgalabov if (!ofw_bus_status_okay(dev)) 79297670Ssgalabov return (ENXIO); 80297670Ssgalabov 81297670Ssgalabov if (!ofw_bus_is_compatible(dev, "ralink,rt3050-otg")) 82297670Ssgalabov return (ENXIO); 83297670Ssgalabov 84297670Ssgalabov device_set_desc(dev, "MTK DWC-OTG USB Controller"); 85297670Ssgalabov return (0); 86297670Ssgalabov} 87297670Ssgalabov 88297670Ssgalabovstatic int 89297670Ssgalabovdotg_fdt_attach(device_t dev) 90297670Ssgalabov{ 91297670Ssgalabov struct dwc_otg_softc *sc = device_get_softc(dev); 92297670Ssgalabov int err, rid; 93297670Ssgalabov 94297670Ssgalabov /* setup controller interface softc */ 95297670Ssgalabov 96297670Ssgalabov /* initialise some bus fields */ 97297670Ssgalabov sc->sc_mode = DWC_MODE_HOST; 98297670Ssgalabov sc->sc_bus.parent = dev; 99297670Ssgalabov sc->sc_bus.devices = sc->sc_devices; 100297670Ssgalabov sc->sc_bus.devices_max = DWC_OTG_MAX_DEVICES; 101297670Ssgalabov sc->sc_bus.dma_bits = 32; 102297670Ssgalabov 103297670Ssgalabov /* get all DMA memory */ 104297670Ssgalabov if (usb_bus_mem_alloc_all(&sc->sc_bus, 105297670Ssgalabov USB_GET_DMA_TAG(dev), NULL)) { 106297670Ssgalabov printf("No mem\n"); 107297670Ssgalabov return (ENOMEM); 108297670Ssgalabov } 109297670Ssgalabov rid = 0; 110297670Ssgalabov sc->sc_io_res = 111297670Ssgalabov bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 112297670Ssgalabov if (!(sc->sc_io_res)) { 113297670Ssgalabov printf("Can`t alloc MEM\n"); 114297670Ssgalabov goto error; 115297670Ssgalabov } 116297670Ssgalabov sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); 117297670Ssgalabov sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); 118297670Ssgalabov sc->sc_io_size = rman_get_size(sc->sc_io_res); 119297670Ssgalabov 120297670Ssgalabov rid = 0; 121297670Ssgalabov sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 122297670Ssgalabov &rid, RF_ACTIVE); 123297670Ssgalabov if (!(sc->sc_irq_res)) { 124297670Ssgalabov printf("Can`t alloc IRQ\n"); 125297670Ssgalabov goto error; 126297670Ssgalabov } 127297670Ssgalabov 128297670Ssgalabov sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); 129297670Ssgalabov if (!(sc->sc_bus.bdev)) { 130297670Ssgalabov printf("Can`t add usbus\n"); 131297670Ssgalabov goto error; 132297670Ssgalabov } 133297670Ssgalabov device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 134297670Ssgalabov 135297670Ssgalabov err = bus_setup_intr(dev, sc->sc_irq_res, 136297670Ssgalabov INTR_TYPE_TTY | INTR_MPSAFE, dwc_otg_filter_interrupt, 137297670Ssgalabov dwc_otg_interrupt, sc, &sc->sc_intr_hdl); 138297670Ssgalabov if (err) { 139297670Ssgalabov sc->sc_intr_hdl = NULL; 140297670Ssgalabov printf("Can`t set IRQ handle\n"); 141297670Ssgalabov goto error; 142297670Ssgalabov } 143297670Ssgalabov 144297670Ssgalabov err = dwc_otg_init(sc); 145297670Ssgalabov if (err) printf("dotg_init fail\n"); 146297670Ssgalabov if (!err) { 147297670Ssgalabov err = device_probe_and_attach(sc->sc_bus.bdev); 148297670Ssgalabov if (err) printf("device_probe_and_attach fail %d\n", err); 149297670Ssgalabov } 150297670Ssgalabov if (err) { 151297670Ssgalabov goto error; 152297670Ssgalabov } 153297670Ssgalabov return (0); 154297670Ssgalabov 155297670Ssgalaboverror: 156297670Ssgalabov dotg_fdt_detach(dev); 157297670Ssgalabov return (ENXIO); 158297670Ssgalabov} 159297670Ssgalabov 160297670Ssgalabovstatic int 161297670Ssgalabovdotg_fdt_detach(device_t dev) 162297670Ssgalabov{ 163297670Ssgalabov struct dwc_otg_softc *sc = device_get_softc(dev); 164297670Ssgalabov device_t bdev; 165297670Ssgalabov int err; 166297670Ssgalabov 167297670Ssgalabov if (sc->sc_bus.bdev) { 168297670Ssgalabov bdev = sc->sc_bus.bdev; 169297670Ssgalabov device_detach(bdev); 170297670Ssgalabov device_delete_child(dev, bdev); 171297670Ssgalabov } 172297670Ssgalabov /* during module unload there are lots of children leftover */ 173297670Ssgalabov device_delete_children(dev); 174297670Ssgalabov 175297670Ssgalabov if (sc->sc_irq_res && sc->sc_intr_hdl) { 176297670Ssgalabov /* 177297670Ssgalabov * only call dotg_fdt_uninit() after dotg_fdt_init() 178297670Ssgalabov */ 179297670Ssgalabov dwc_otg_uninit(sc); 180297670Ssgalabov 181297670Ssgalabov err = bus_teardown_intr(dev, sc->sc_irq_res, 182297670Ssgalabov sc->sc_intr_hdl); 183297670Ssgalabov sc->sc_intr_hdl = NULL; 184297670Ssgalabov } 185297670Ssgalabov if (sc->sc_irq_res) { 186297670Ssgalabov bus_release_resource(dev, SYS_RES_IRQ, 0, 187297670Ssgalabov sc->sc_irq_res); 188297670Ssgalabov sc->sc_irq_res = NULL; 189297670Ssgalabov } 190297670Ssgalabov if (sc->sc_io_res) { 191297670Ssgalabov bus_release_resource(dev, SYS_RES_MEMORY, 0, 192297670Ssgalabov sc->sc_io_res); 193297670Ssgalabov sc->sc_io_res = NULL; 194297670Ssgalabov } 195297670Ssgalabov usb_bus_mem_free_all(&sc->sc_bus, NULL); 196297670Ssgalabov 197297670Ssgalabov return (0); 198297670Ssgalabov} 199297670Ssgalabov 200297670Ssgalabovstatic device_method_t dotg_fdt_methods[] = { 201297670Ssgalabov /* Device interface */ 202297670Ssgalabov DEVMETHOD(device_probe, dotg_fdt_probe), 203297670Ssgalabov DEVMETHOD(device_attach, dotg_fdt_attach), 204297670Ssgalabov DEVMETHOD(device_detach, dotg_fdt_detach), 205297670Ssgalabov DEVMETHOD(device_suspend, bus_generic_suspend), 206297670Ssgalabov DEVMETHOD(device_resume, bus_generic_resume), 207297670Ssgalabov DEVMETHOD(device_shutdown, bus_generic_shutdown), 208297670Ssgalabov 209297670Ssgalabov DEVMETHOD_END 210297670Ssgalabov}; 211297670Ssgalabov 212297670Ssgalabovstatic driver_t dotg_fdt_driver = { 213297670Ssgalabov .name = "dwcotg", 214297670Ssgalabov .methods = dotg_fdt_methods, 215297670Ssgalabov .size = sizeof(struct dwc_otg_softc), 216297670Ssgalabov}; 217297670Ssgalabov 218297670Ssgalabovstatic devclass_t dotg_fdt_devclass; 219297670Ssgalabov 220297670SsgalabovDRIVER_MODULE(dotg, simplebus, dotg_fdt_driver, dotg_fdt_devclass, 0, 0); 221