octusb_octeon.c revision 229168
175115Sfenner#include <sys/cdefs.h> 275115Sfenner__FBSDID("$FreeBSD: head/sys/mips/cavium/usb/octusb_octeon.c 229168 2012-01-01 09:12:21Z gonzo $"); 375115Sfenner 475115Sfenner/*- 575115Sfenner * Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved. 675115Sfenner * 775115Sfenner * Redistribution and use in source and binary forms, with or without 875115Sfenner * modification, are permitted provided that the following conditions 975115Sfenner * are met: 1075115Sfenner * 1. Redistributions of source code must retain the above copyright 1175115Sfenner * notice, this list of conditions and the following disclaimer. 1275115Sfenner * 2. Redistributions in binary form must reproduce the above copyright 1375115Sfenner * notice, this list of conditions and the following disclaimer in the 1475115Sfenner * documentation and/or other materials provided with the distribution. 1575115Sfenner * 1675115Sfenner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1775115Sfenner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1875115Sfenner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1975115Sfenner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2075115Sfenner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2175115Sfenner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2275115Sfenner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2375115Sfenner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2475115Sfenner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2575115Sfenner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2675115Sfenner * SUCH DAMAGE. 2775115Sfenner */ 2875115Sfenner 2975115Sfenner#include <sys/stdint.h> 3075115Sfenner#include <sys/stddef.h> 3175115Sfenner#include <sys/param.h> 3275115Sfenner#include <sys/queue.h> 3375115Sfenner#include <sys/types.h> 3475115Sfenner#include <sys/systm.h> 3575115Sfenner#include <sys/kernel.h> 3675115Sfenner#include <sys/bus.h> 3775115Sfenner#include <sys/module.h> 3875115Sfenner#include <sys/lock.h> 3975115Sfenner#include <sys/mutex.h> 4075115Sfenner#include <sys/condvar.h> 4175115Sfenner#include <sys/sysctl.h> 4275115Sfenner#include <sys/sx.h> 4375115Sfenner#include <sys/unistd.h> 4475115Sfenner#include <sys/callout.h> 4575115Sfenner#include <sys/malloc.h> 4675115Sfenner#include <sys/priv.h> 4775115Sfenner#include <sys/rman.h> 4875115Sfenner 4975115Sfenner#include <dev/usb/usb.h> 5075115Sfenner#include <dev/usb/usbdi.h> 5175115Sfenner 5275115Sfenner#include <dev/usb/usb_core.h> 5375115Sfenner#include <dev/usb/usb_busdma.h> 5475115Sfenner#include <dev/usb/usb_process.h> 5575115Sfenner#include <dev/usb/usb_util.h> 5675115Sfenner 5775115Sfenner#include <dev/usb/usb_controller.h> 5875115Sfenner#include <dev/usb/usb_bus.h> 5975115Sfenner 6075115Sfenner#include <contrib/octeon-sdk/cvmx.h> 6175115Sfenner#include <contrib/octeon-sdk/cvmx-interrupt.h> 6275115Sfenner#include <contrib/octeon-sdk/cvmx-usb.h> 6375115Sfenner 6475115Sfenner#include <mips/cavium/usb/octusb.h> 6575115Sfenner 6675115Sfenner#define MEM_RID 0 6775115Sfenner 6875115Sfennerstatic device_identify_t octusb_octeon_identify; 6975115Sfennerstatic device_probe_t octusb_octeon_probe; 7075115Sfennerstatic device_attach_t octusb_octeon_attach; 7175115Sfennerstatic device_detach_t octusb_octeon_detach; 7275115Sfenner 7375115Sfennerstruct octusb_octeon_softc { 7475115Sfenner struct octusb_softc sc_dci; /* must be first */ 7575115Sfenner}; 7675115Sfenner 7775115Sfennerstatic void 7875115Sfenneroctusb_octeon_identify(driver_t *drv, device_t parent) 7975115Sfenner{ 8075115Sfenner if (octeon_has_feature(OCTEON_FEATURE_USB)) 8175115Sfenner BUS_ADD_CHILD(parent, 0, "octusb", 0); 8275115Sfenner} 8375115Sfenner 8475115Sfennerstatic int 8575115Sfenneroctusb_octeon_probe(device_t dev) 8675115Sfenner{ 8775115Sfenner device_set_desc(dev, "Cavium Octeon USB controller"); 8875115Sfenner return (0); 8975115Sfenner} 9075115Sfenner 9175115Sfennerstatic int 9275115Sfenneroctusb_octeon_attach(device_t dev) 9375115Sfenner{ 9475115Sfenner struct octusb_octeon_softc *sc = device_get_softc(dev); 9575115Sfenner int err; 9675115Sfenner int rid; 9775115Sfenner int nports; 9875115Sfenner int i; 9975115Sfenner 10075115Sfenner /* setup controller interface softc */ 10175115Sfenner 10275115Sfenner /* initialise some bus fields */ 10375115Sfenner sc->sc_dci.sc_bus.parent = dev; 10475115Sfenner sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices; 10575115Sfenner sc->sc_dci.sc_bus.devices_max = OCTUSB_MAX_DEVICES; 10675115Sfenner 10775115Sfenner /* get all DMA memory */ 10875115Sfenner if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus, 10975115Sfenner USB_GET_DMA_TAG(dev), NULL)) { 11075115Sfenner return (ENOMEM); 11175115Sfenner } 11275115Sfenner nports = cvmx_usb_get_num_ports(); 11375115Sfenner if (nports > OCTUSB_MAX_PORTS) 11475115Sfenner panic("octusb: too many USB ports %d", nports); 11575115Sfenner for (i = 0; i < nports; i++) { 11675115Sfenner rid = 0; 11775115Sfenner sc->sc_dci.sc_irq_res[i] = 11875115Sfenner bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 11975115Sfenner CVMX_IRQ_USB0 + i, CVMX_IRQ_USB0 + i, 1, RF_ACTIVE); 12075115Sfenner if (!(sc->sc_dci.sc_irq_res[i])) { 12175115Sfenner goto error; 12275115Sfenner } 12375115Sfenner 12475115Sfenner#if (__FreeBSD_version >= 700031) 12575115Sfenner err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE, 12675115Sfenner NULL, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]); 12775115Sfenner#else 12875115Sfenner err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE, 12975115Sfenner (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]); 13075115Sfenner#endif 13175115Sfenner if (err) { 13275115Sfenner sc->sc_dci.sc_intr_hdl[i] = NULL; 13375115Sfenner goto error; 13475115Sfenner } 13575115Sfenner } 13675115Sfenner 13775115Sfenner sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1); 13875115Sfenner if (!(sc->sc_dci.sc_bus.bdev)) { 13975115Sfenner goto error; 14075115Sfenner } 14175115Sfenner device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus); 14275115Sfenner 14375115Sfenner 14475115Sfenner err = octusb_init(&sc->sc_dci); 14575115Sfenner if (!err) { 14675115Sfenner err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev); 14775115Sfenner } 14875115Sfenner if (err) { 14975115Sfenner goto error; 15075115Sfenner } 15175115Sfenner return (0); 15275115Sfenner 15375115Sfennererror: 15475115Sfenner octusb_octeon_detach(dev); 15575115Sfenner return (ENXIO); 15675115Sfenner} 15775115Sfenner 15875115Sfennerstatic int 15975115Sfenneroctusb_octeon_detach(device_t dev) 16075115Sfenner{ 16175115Sfenner struct octusb_octeon_softc *sc = device_get_softc(dev); 16275115Sfenner device_t bdev; 16375115Sfenner int err; 16475115Sfenner int nports; 16575115Sfenner int i; 16675115Sfenner 16775115Sfenner if (sc->sc_dci.sc_bus.bdev) { 16875115Sfenner bdev = sc->sc_dci.sc_bus.bdev; 16975115Sfenner device_detach(bdev); 17075115Sfenner device_delete_child(dev, bdev); 17175115Sfenner } 17275115Sfenner /* during module unload there are lots of children leftover */ 17375115Sfenner device_delete_children(dev); 17475115Sfenner 17575115Sfenner if (sc->sc_dci.sc_irq_res[0] && sc->sc_dci.sc_intr_hdl[0]) 17675115Sfenner /* 17775115Sfenner * only call octusb_octeon_uninit() after octusb_octeon_init() 17875115Sfenner */ 17975115Sfenner octusb_uninit(&sc->sc_dci); 18075115Sfenner 18175115Sfenner nports = cvmx_usb_get_num_ports(); 18275115Sfenner if (nports > OCTUSB_MAX_PORTS) 18375115Sfenner panic("octusb: too many USB ports %d", nports); 18475115Sfenner for (i = 0; i < nports; i++) { 18575115Sfenner if (sc->sc_dci.sc_irq_res[0] && sc->sc_dci.sc_intr_hdl[0]) { 18675115Sfenner err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res[i], 18775115Sfenner sc->sc_dci.sc_intr_hdl[i]); 18875115Sfenner sc->sc_dci.sc_intr_hdl[i] = NULL; 18975115Sfenner } 19075115Sfenner if (sc->sc_dci.sc_irq_res) { 19175115Sfenner bus_release_resource(dev, SYS_RES_IRQ, 0, 19275115Sfenner sc->sc_dci.sc_irq_res[i]); 19375115Sfenner sc->sc_dci.sc_irq_res[i] = NULL; 19475115Sfenner } 19575115Sfenner } 19675115Sfenner usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL); 19775115Sfenner 19875115Sfenner return (0); 19975115Sfenner} 20075115Sfenner 20175115Sfennerstatic device_method_t octusb_octeon_methods[] = { 20275115Sfenner /* Device interface */ 20375115Sfenner DEVMETHOD(device_identify, octusb_octeon_identify), 20475115Sfenner DEVMETHOD(device_probe, octusb_octeon_probe), 20575115Sfenner DEVMETHOD(device_attach, octusb_octeon_attach), 20675115Sfenner DEVMETHOD(device_detach, octusb_octeon_detach), 20775115Sfenner DEVMETHOD(device_resume, bus_generic_resume), 20875115Sfenner DEVMETHOD(device_suspend, bus_generic_suspend), 20975115Sfenner DEVMETHOD(device_shutdown, bus_generic_shutdown), 21075115Sfenner 21175115Sfenner DEVMETHOD_END 21275115Sfenner}; 21375115Sfenner 21475115Sfennerstatic driver_t octusb_octeon_driver = { 21575115Sfenner .name = "octusb", 21675115Sfenner .methods = octusb_octeon_methods, 21775115Sfenner .size = sizeof(struct octusb_octeon_softc), 21875115Sfenner}; 21975115Sfenner 22075115Sfennerstatic devclass_t octusb_octeon_devclass; 22175115Sfenner 22275115SfennerDRIVER_MODULE(octusb, ciu, octusb_octeon_driver, octusb_octeon_devclass, 0, 0); 22375115Sfenner