1198160Srrs/*- 2198160Srrs * Copyright (c) 1998 The NetBSD Foundation, Inc. 3198160Srrs * All rights reserved. 4198160Srrs * 5198160Srrs * This code is derived from software contributed to The NetBSD Foundation 6198160Srrs * by Lennart Augustsson (augustss@carlstedt.se) at 7198160Srrs * Carlstedt Research & Technology. 8198160Srrs * 9198160Srrs * Redistribution and use in source and binary forms, with or without 10198160Srrs * modification, are permitted provided that the following conditions 11198160Srrs * are met: 12198160Srrs * 1. Redistributions of source code must retain the above copyright 13198160Srrs * notice, this list of conditions and the following disclaimer. 14198160Srrs * 2. Redistributions in binary form must reproduce the above copyright 15198160Srrs * notice, this list of conditions and the following disclaimer in the 16198160Srrs * documentation and/or other materials provided with the distribution. 17198160Srrs * 18198160Srrs * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19198160Srrs * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20198160Srrs * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21198160Srrs * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22198160Srrs * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23198160Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24198160Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25198160Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26198160Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27198160Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28198160Srrs * POSSIBILITY OF SUCH DAMAGE. 29198160Srrs */ 30198160Srrs 31198160Srrs#include <sys/cdefs.h> 32202173Simp__FBSDID("$FreeBSD$"); 33198160Srrs 34198160Srrs#include "opt_bus.h" 35198160Srrs 36204577Srrs#include <sys/stdint.h> 37204577Srrs#include <sys/stddef.h> 38198160Srrs#include <sys/param.h> 39204577Srrs#include <sys/queue.h> 40204577Srrs#include <sys/types.h> 41198160Srrs#include <sys/systm.h> 42198160Srrs#include <sys/kernel.h> 43204577Srrs#include <sys/bus.h> 44198160Srrs#include <sys/module.h> 45198607Srrs#include <sys/lock.h> 46204577Srrs#include <sys/mutex.h> 47204577Srrs#include <sys/condvar.h> 48204577Srrs#include <sys/sysctl.h> 49204577Srrs#include <sys/sx.h> 50204577Srrs#include <sys/unistd.h> 51204577Srrs#include <sys/callout.h> 52204577Srrs#include <sys/malloc.h> 53204577Srrs#include <sys/priv.h> 54204577Srrs 55198160Srrs#include <sys/rman.h> 56198160Srrs#include <machine/resource.h> 57198160Srrs 58198160Srrs#include <dev/usb/usb.h> 59198160Srrs#include <dev/usb/usbdi.h> 60198160Srrs 61204577Srrs#include <dev/usb/usb_core.h> 62204577Srrs#include <dev/usb/usb_busdma.h> 63204577Srrs#include <dev/usb/usb_process.h> 64204577Srrs#include <dev/usb/usb_util.h> 65198160Srrs 66204577Srrs#include <dev/usb/usb_controller.h> 67204577Srrs#include <dev/usb/usb_bus.h> 68204577Srrs#include <dev/usb/controller/ehci.h> 69204577Srrs#include <dev/usb/controller/ehcireg.h> 70204577Srrs#include <mips/rmi/pic.h> 71198625Srrs 72229096Shselaskystatic device_attach_t ehci_xls_attach; 73229096Shselaskystatic device_detach_t ehci_xls_detach; 74198160Srrs 75198160Srrsstatic const char *xlr_usb_dev_desc = "RMI XLR USB 2.0 controller"; 76198160Srrsstatic const char *xlr_vendor_desc = "RMI Corp"; 77204577Srrs 78198160Srrsstatic int 79198160Srrsehci_xls_probe(device_t self) 80198160Srrs{ 81198160Srrs /* TODO see if usb is enabled on the board */ 82198160Srrs device_set_desc(self, xlr_usb_dev_desc); 83198160Srrs return BUS_PROBE_DEFAULT; 84198160Srrs} 85198160Srrs 86198160Srrsstatic int 87198160Srrsehci_xls_attach(device_t self) 88198160Srrs{ 89198160Srrs ehci_softc_t *sc = device_get_softc(self); 90198160Srrs int err; 91198160Srrs int rid; 92198160Srrs 93204577Srrs sc->sc_bus.parent = self; 94204577Srrs sc->sc_bus.devices = sc->sc_devices; 95204577Srrs sc->sc_bus.devices_max = EHCI_MAX_DEVICES; 96198160Srrs 97204577Srrs /* get all DMA memory */ 98204577Srrs if (usb_bus_mem_alloc_all(&sc->sc_bus, 99204577Srrs USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) { 100204577Srrs return (ENOMEM); 101204577Srrs } 102198160Srrs 103198160Srrs rid = 0; 104204577Srrs sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, 105204577Srrs RF_ACTIVE); 106204577Srrs if (!sc->sc_io_res) { 107198160Srrs device_printf(self, "Could not map memory\n"); 108204577Srrs goto error; 109198160Srrs } 110204577Srrs sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); 111204577Srrs sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); 112204577Srrs printf("IO Resource tag %lx, hdl %lx, size %lx\n", 113204577Srrs (u_long)sc->sc_io_tag, (u_long)sc->sc_io_hdl, 114204577Srrs (u_long)sc->sc_io_size); 115198160Srrs 116198160Srrs rid = 0; 117204577Srrs sc->sc_irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 118204577Srrs PIC_USB_IRQ, PIC_USB_IRQ, 1, RF_SHAREABLE | RF_ACTIVE); 119204577Srrs if (sc->sc_irq_res == NULL) { 120198160Srrs device_printf(self, "Could not allocate irq\n"); 121204577Srrs goto error; 122198160Srrs } 123204577Srrs 124204577Srrs sc->sc_bus.bdev = device_add_child(self, "usbus", -1); 125198160Srrs if (!sc->sc_bus.bdev) { 126198160Srrs device_printf(self, "Could not add USB device\n"); 127204577Srrs goto error; 128198160Srrs } 129198160Srrs device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 130204577Srrs device_set_desc(sc->sc_bus.bdev, xlr_usb_dev_desc); 131198160Srrs 132198160Srrs sprintf(sc->sc_vendor, xlr_vendor_desc); 133198160Srrs 134204577Srrs err = bus_setup_intr(self, sc->sc_irq_res, 135204577Srrs INTR_TYPE_BIO | INTR_MPSAFE, NULL, 136204577Srrs (driver_intr_t *) ehci_interrupt, sc, &sc->sc_intr_hdl); 137198160Srrs if (err) { 138198160Srrs device_printf(self, "Could not setup irq, %d\n", err); 139204577Srrs sc->sc_intr_hdl = NULL; 140204577Srrs goto error; 141198160Srrs } 142198160Srrs 143198160Srrs err = ehci_init(sc); 144198160Srrs if (err) { 145198160Srrs device_printf(self, "USB init failed err=%d\n", err); 146204577Srrs goto error; 147198160Srrs } 148204577Srrs 149204577Srrs err = device_probe_and_attach(sc->sc_bus.bdev); 150204577Srrs if (err) { 151204577Srrs device_printf(self, "USB probe and attach failed err=%d\n", err); 152204577Srrs goto error; 153204577Srrs } 154204577Srrs 155204577Srrs return (0); 156204577Srrs 157204577Srrserror: 158204577Srrs ehci_xls_detach(self); 159204577Srrs return (ENXIO); 160198160Srrs} 161198160Srrs 162198160Srrsstatic int 163198160Srrsehci_xls_detach(device_t self) 164198160Srrs{ 165198160Srrs ehci_softc_t *sc = device_get_softc(self); 166204577Srrs device_t bdev; 167204577Srrs int err; 168198160Srrs 169204577Srrs if (sc->sc_bus.bdev) { 170204577Srrs bdev = sc->sc_bus.bdev; 171204577Srrs device_detach(bdev); 172204577Srrs device_delete_child(self, bdev); 173198160Srrs } 174204577Srrs /* during module unload there are lots of children leftover */ 175229118Shselasky device_delete_children(self); 176204577Srrs 177204577Srrs if (sc->sc_irq_res && sc->sc_intr_hdl) { 178204577Srrs ehci_detach(sc); 179198160Srrs 180204577Srrs err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); 181198160Srrs if (err) 182198160Srrs device_printf(self, "Could not tear down irq, %d\n", 183198160Srrs err); 184204577Srrs sc->sc_intr_hdl = 0; 185198160Srrs } 186204577Srrs 187204577Srrs if (sc->sc_irq_res) { 188204577Srrs bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); 189204577Srrs sc->sc_irq_res = NULL; 190198160Srrs } 191204577Srrs if (sc->sc_io_res) { 192204577Srrs bus_release_resource(self, SYS_RES_MEMORY, 0, 193204577Srrs sc->sc_io_res); 194204577Srrs sc->sc_io_res = NULL; 195204577Srrs sc->sc_io_tag = 0; 196204577Srrs sc->sc_io_hdl = 0; 197198160Srrs } 198198160Srrs 199204577Srrs usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc); 200198160Srrs 201204577Srrs return (0); 202198160Srrs} 203198160Srrs 204198160Srrsstatic device_method_t ehci_methods[] = { 205198160Srrs /* Device interface */ 206198160Srrs DEVMETHOD(device_probe, ehci_xls_probe), 207198160Srrs DEVMETHOD(device_attach, ehci_xls_attach), 208198160Srrs DEVMETHOD(device_detach, ehci_xls_detach), 209229096Shselasky DEVMETHOD(device_suspend, bus_generic_suspend), 210229096Shselasky DEVMETHOD(device_resume, bus_generic_resume), 211229096Shselasky DEVMETHOD(device_shutdown, bus_generic_shutdown), 212198160Srrs 213229093Shselasky DEVMETHOD_END 214198160Srrs}; 215198160Srrs 216198160Srrsstatic driver_t ehci_driver = { 217229096Shselasky .name = "ehci", 218229096Shselasky .methods = ehci_methods, 219229096Shselasky .size = sizeof(struct ehci_softc), 220198160Srrs}; 221198160Srrs 222198160Srrsstatic devclass_t ehci_devclass; 223198160Srrs 224198160SrrsDRIVER_MODULE(ehci, iodi, ehci_driver, ehci_devclass, 0, 0); 225204577SrrsMODULE_DEPEND(ehci, usb, 1, 1, 1); 226