1187160Sthompsa#include <sys/cdefs.h> 2187160Sthompsa__FBSDID("$FreeBSD: releng/11.0/sys/dev/usb/controller/atmegadci_atmelarm.c 276717 2015-01-05 20:22:18Z hselasky $"); 3187160Sthompsa 4187160Sthompsa/*- 5187160Sthompsa * Copyright (c) 2009 Hans Petter Selasky. All rights reserved. 6187160Sthompsa * 7187160Sthompsa * Redistribution and use in source and binary forms, with or without 8187160Sthompsa * modification, are permitted provided that the following conditions 9187160Sthompsa * are met: 10187160Sthompsa * 1. Redistributions of source code must retain the above copyright 11187160Sthompsa * notice, this list of conditions and the following disclaimer. 12187160Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 13187160Sthompsa * notice, this list of conditions and the following disclaimer in the 14187160Sthompsa * documentation and/or other materials provided with the distribution. 15187160Sthompsa * 16187160Sthompsa * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17187160Sthompsa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18187160Sthompsa * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19187160Sthompsa * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20187160Sthompsa * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21187160Sthompsa * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22187160Sthompsa * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23187160Sthompsa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24187160Sthompsa * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25187160Sthompsa * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26187160Sthompsa * SUCH DAMAGE. 27187160Sthompsa */ 28189677Sthompsa 29194677Sthompsa#include <sys/stdint.h> 30194677Sthompsa#include <sys/stddef.h> 31194677Sthompsa#include <sys/param.h> 32194677Sthompsa#include <sys/queue.h> 33194677Sthompsa#include <sys/types.h> 34194677Sthompsa#include <sys/systm.h> 35194677Sthompsa#include <sys/kernel.h> 36194677Sthompsa#include <sys/bus.h> 37194677Sthompsa#include <sys/module.h> 38194677Sthompsa#include <sys/lock.h> 39194677Sthompsa#include <sys/mutex.h> 40194677Sthompsa#include <sys/condvar.h> 41194677Sthompsa#include <sys/sysctl.h> 42194677Sthompsa#include <sys/sx.h> 43194677Sthompsa#include <sys/unistd.h> 44194677Sthompsa#include <sys/callout.h> 45194677Sthompsa#include <sys/malloc.h> 46194677Sthompsa#include <sys/priv.h> 47194677Sthompsa 48189677Sthompsa#include <dev/usb/usb.h> 49194677Sthompsa#include <dev/usb/usbdi.h> 50189677Sthompsa 51189677Sthompsa#include <dev/usb/usb_core.h> 52189677Sthompsa#include <dev/usb/usb_busdma.h> 53189677Sthompsa#include <dev/usb/usb_process.h> 54189677Sthompsa#include <dev/usb/usb_util.h> 55189677Sthompsa 56189677Sthompsa#include <dev/usb/usb_controller.h> 57189677Sthompsa#include <dev/usb/usb_bus.h> 58189677Sthompsa#include <dev/usb/controller/atmegadci.h> 59189677Sthompsa 60189677Sthompsa#include <sys/rman.h> 61189677Sthompsa 62189677Sthompsastatic device_probe_t atmegadci_probe; 63189677Sthompsastatic device_attach_t atmegadci_attach; 64189677Sthompsastatic device_detach_t atmegadci_detach; 65189677Sthompsa 66189677Sthompsastruct atmegadci_super_softc { 67189677Sthompsa struct atmegadci_softc sc_otg; /* must be first */ 68189677Sthompsa}; 69189677Sthompsa 70189677Sthompsastatic void 71192984Sthompsaatmegadci_clocks_on(struct usb_bus *bus) 72189677Sthompsa{ 73189677Sthompsa /* TODO */ 74189677Sthompsa} 75189677Sthompsa 76189677Sthompsastatic void 77192984Sthompsaatmegadci_clocks_off(struct usb_bus *bus) 78189677Sthompsa{ 79189677Sthompsa /* TODO */ 80189677Sthompsa} 81189677Sthompsa 82189677Sthompsastatic int 83189677Sthompsaatmegadci_probe(device_t dev) 84189677Sthompsa{ 85189677Sthompsa device_set_desc(dev, "ATMEL OTG integrated USB controller"); 86189677Sthompsa return (0); 87189677Sthompsa} 88189677Sthompsa 89189677Sthompsastatic int 90189677Sthompsaatmegadci_attach(device_t dev) 91189677Sthompsa{ 92189677Sthompsa struct atmegadci_super_softc *sc = device_get_softc(dev); 93189677Sthompsa int err; 94189677Sthompsa int rid; 95189677Sthompsa 96189677Sthompsa /* setup MUSB OTG USB controller interface softc */ 97189677Sthompsa sc->sc_otg.sc_clocks_on = &atmegadci_clocks_on; 98189677Sthompsa sc->sc_otg.sc_clocks_off = &atmegadci_clocks_off; 99189677Sthompsa 100189677Sthompsa /* initialise some bus fields */ 101189677Sthompsa sc->sc_otg.sc_bus.parent = dev; 102189677Sthompsa sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices; 103189677Sthompsa sc->sc_otg.sc_bus.devices_max = ATMEGA_MAX_DEVICES; 104276717Shselasky sc->sc_otg.sc_bus.dma_bits = 32; 105189677Sthompsa 106189677Sthompsa /* get all DMA memory */ 107194228Sthompsa if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus, 108189677Sthompsa USB_GET_DMA_TAG(dev), NULL)) { 109189677Sthompsa return (ENOMEM); 110189677Sthompsa } 111189677Sthompsa rid = 0; 112189677Sthompsa sc->sc_otg.sc_io_res = 113189677Sthompsa bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 114189677Sthompsa 115189677Sthompsa if (!(sc->sc_otg.sc_io_res)) { 116189677Sthompsa err = ENOMEM; 117189677Sthompsa goto error; 118189677Sthompsa } 119189677Sthompsa sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res); 120189677Sthompsa sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res); 121189677Sthompsa 122189677Sthompsa rid = 0; 123189677Sthompsa sc->sc_otg.sc_irq_res = 124189677Sthompsa bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 125189677Sthompsa if (!(sc->sc_otg.sc_irq_res)) { 126189677Sthompsa goto error; 127189677Sthompsa } 128189677Sthompsa sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1); 129189677Sthompsa if (!(sc->sc_otg.sc_bus.bdev)) { 130189677Sthompsa goto error; 131189677Sthompsa } 132189677Sthompsa device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus); 133189677Sthompsa 134189677Sthompsa err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, 135190183Sthompsa NULL, (driver_intr_t *)atmegadci_interrupt, sc, &sc->sc_otg.sc_intr_hdl); 136189677Sthompsa if (err) { 137189677Sthompsa sc->sc_otg.sc_intr_hdl = NULL; 138189677Sthompsa goto error; 139189677Sthompsa } 140189677Sthompsa err = atmegadci_init(&sc->sc_otg); 141189677Sthompsa if (!err) { 142189677Sthompsa err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev); 143189677Sthompsa } 144189677Sthompsa if (err) { 145189677Sthompsa goto error; 146189677Sthompsa } 147189677Sthompsa return (0); 148189677Sthompsa 149189677Sthompsaerror: 150189677Sthompsa atmegadci_detach(dev); 151189677Sthompsa return (ENXIO); 152189677Sthompsa} 153189677Sthompsa 154189677Sthompsastatic int 155189677Sthompsaatmegadci_detach(device_t dev) 156189677Sthompsa{ 157189677Sthompsa struct atmegadci_super_softc *sc = device_get_softc(dev); 158189677Sthompsa device_t bdev; 159189677Sthompsa int err; 160189677Sthompsa 161189677Sthompsa if (sc->sc_otg.sc_bus.bdev) { 162189677Sthompsa bdev = sc->sc_otg.sc_bus.bdev; 163189677Sthompsa device_detach(bdev); 164189677Sthompsa device_delete_child(dev, bdev); 165189677Sthompsa } 166189677Sthompsa /* during module unload there are lots of children leftover */ 167227849Shselasky device_delete_children(dev); 168189677Sthompsa 169189677Sthompsa if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) { 170189677Sthompsa /* 171189677Sthompsa * only call atmegadci_uninit() after atmegadci_init() 172189677Sthompsa */ 173189677Sthompsa atmegadci_uninit(&sc->sc_otg); 174189677Sthompsa 175189677Sthompsa err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res, 176189677Sthompsa sc->sc_otg.sc_intr_hdl); 177189677Sthompsa sc->sc_otg.sc_intr_hdl = NULL; 178189677Sthompsa } 179189677Sthompsa /* free IRQ channel, if any */ 180189677Sthompsa if (sc->sc_otg.sc_irq_res) { 181189677Sthompsa bus_release_resource(dev, SYS_RES_IRQ, 0, 182189677Sthompsa sc->sc_otg.sc_irq_res); 183189677Sthompsa sc->sc_otg.sc_irq_res = NULL; 184189677Sthompsa } 185189677Sthompsa /* free memory resource, if any */ 186189677Sthompsa if (sc->sc_otg.sc_io_res) { 187189677Sthompsa bus_release_resource(dev, SYS_RES_MEMORY, 0, 188189677Sthompsa sc->sc_otg.sc_io_res); 189189677Sthompsa sc->sc_otg.sc_io_res = NULL; 190189677Sthompsa } 191194228Sthompsa usb_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL); 192189677Sthompsa 193189677Sthompsa return (0); 194189677Sthompsa} 195189677Sthompsa 196189677Sthompsastatic device_method_t atmegadci_methods[] = { 197189677Sthompsa /* Device interface */ 198189677Sthompsa DEVMETHOD(device_probe, atmegadci_probe), 199189677Sthompsa DEVMETHOD(device_attach, atmegadci_attach), 200189677Sthompsa DEVMETHOD(device_detach, atmegadci_detach), 201228483Shselasky DEVMETHOD(device_suspend, bus_generic_suspend), 202228483Shselasky DEVMETHOD(device_resume, bus_generic_resume), 203228483Shselasky DEVMETHOD(device_shutdown, bus_generic_shutdown), 204189677Sthompsa 205227843Smarius DEVMETHOD_END 206189677Sthompsa}; 207189677Sthompsa 208189677Sthompsastatic driver_t atmegadci_driver = { 209228483Shselasky .name = "atmegadci", 210228483Shselasky .methods = atmegadci_methods, 211228483Shselasky .size = sizeof(struct atmegadci_super_softc), 212189677Sthompsa}; 213189677Sthompsa 214189677Sthompsastatic devclass_t atmegadci_devclass; 215189677Sthompsa 216189677SthompsaDRIVER_MODULE(atmegadci, atmelarm, atmegadci_driver, atmegadci_devclass, 0, 0); 217189677SthompsaMODULE_DEPEND(atmegadci, usb, 1, 1, 1); 218