18d59ecb2SHans Petter Selasky /* $FreeBSD$ */ 28d59ecb2SHans Petter Selasky /*- 38d59ecb2SHans Petter Selasky * Copyright (c) 2007 Luigi Rizzo - Universita` di Pisa. All rights reserved. 48d59ecb2SHans Petter Selasky * Copyright (c) 2007 Hans Petter Selasky. All rights reserved. 58d59ecb2SHans Petter Selasky * 68d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 78d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 88d59ecb2SHans Petter Selasky * are met: 98d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 108d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer. 118d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 128d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 138d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 148d59ecb2SHans Petter Selasky * 158d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 168d59ecb2SHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 178d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 188d59ecb2SHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 198d59ecb2SHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 208d59ecb2SHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 218d59ecb2SHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 228d59ecb2SHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 238d59ecb2SHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 248d59ecb2SHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 258d59ecb2SHans Petter Selasky * SUCH DAMAGE. 268d59ecb2SHans Petter Selasky */ 278d59ecb2SHans Petter Selasky 288d59ecb2SHans Petter Selasky #ifdef USB_GLOBAL_INCLUDE_FILE 298d59ecb2SHans Petter Selasky #include USB_GLOBAL_INCLUDE_FILE 308d59ecb2SHans Petter Selasky #else 318d59ecb2SHans Petter Selasky #include <sys/stdint.h> 328d59ecb2SHans Petter Selasky #include <sys/stddef.h> 338d59ecb2SHans Petter Selasky #include <sys/param.h> 348d59ecb2SHans Petter Selasky #include <sys/queue.h> 358d59ecb2SHans Petter Selasky #include <sys/types.h> 368d59ecb2SHans Petter Selasky #include <sys/systm.h> 378d59ecb2SHans Petter Selasky #include <sys/kernel.h> 388d59ecb2SHans Petter Selasky #include <sys/bus.h> 398d59ecb2SHans Petter Selasky #include <sys/module.h> 408d59ecb2SHans Petter Selasky #include <sys/lock.h> 418d59ecb2SHans Petter Selasky #include <sys/mutex.h> 428d59ecb2SHans Petter Selasky #include <sys/condvar.h> 438d59ecb2SHans Petter Selasky #include <sys/sysctl.h> 448d59ecb2SHans Petter Selasky #include <sys/sx.h> 458d59ecb2SHans Petter Selasky #include <sys/unistd.h> 468d59ecb2SHans Petter Selasky #include <sys/callout.h> 478d59ecb2SHans Petter Selasky #include <sys/malloc.h> 488d59ecb2SHans Petter Selasky #include <sys/priv.h> 498d59ecb2SHans Petter Selasky 508d59ecb2SHans Petter Selasky #include <dev/usb/usb.h> 518d59ecb2SHans Petter Selasky #include <dev/usb/usbdi.h> 528d59ecb2SHans Petter Selasky #include <dev/usb/usbdi_util.h> 538d59ecb2SHans Petter Selasky 548d59ecb2SHans Petter Selasky #define USB_DEBUG_VAR usb_debug 558d59ecb2SHans Petter Selasky 568d59ecb2SHans Petter Selasky #include <dev/usb/usb_core.h> 578d59ecb2SHans Petter Selasky #include <linux/usb.h> 588d59ecb2SHans Petter Selasky #include <dev/usb/usb_process.h> 598d59ecb2SHans Petter Selasky #include <dev/usb/usb_device.h> 608d59ecb2SHans Petter Selasky #include <dev/usb/usb_util.h> 618d59ecb2SHans Petter Selasky #include <dev/usb/usb_busdma.h> 628d59ecb2SHans Petter Selasky #include <dev/usb/usb_transfer.h> 638d59ecb2SHans Petter Selasky #include <dev/usb/usb_hub.h> 648d59ecb2SHans Petter Selasky #include <dev/usb/usb_request.h> 658d59ecb2SHans Petter Selasky #include <dev/usb/usb_debug.h> 668d59ecb2SHans Petter Selasky #include <dev/usb/usb_dynamic.h> 678d59ecb2SHans Petter Selasky #endif /* USB_GLOBAL_INCLUDE_FILE */ 688d59ecb2SHans Petter Selasky 698d59ecb2SHans Petter Selasky struct usb_linux_softc { 708d59ecb2SHans Petter Selasky LIST_ENTRY(usb_linux_softc) sc_attached_list; 718d59ecb2SHans Petter Selasky 728d59ecb2SHans Petter Selasky device_t sc_fbsd_dev; 738d59ecb2SHans Petter Selasky struct usb_device *sc_fbsd_udev; 748d59ecb2SHans Petter Selasky struct usb_interface *sc_ui; 758d59ecb2SHans Petter Selasky struct usb_driver *sc_udrv; 768d59ecb2SHans Petter Selasky }; 778d59ecb2SHans Petter Selasky 788d59ecb2SHans Petter Selasky /* prototypes */ 798d59ecb2SHans Petter Selasky static device_probe_t usb_linux_probe; 808d59ecb2SHans Petter Selasky static device_attach_t usb_linux_attach; 818d59ecb2SHans Petter Selasky static device_detach_t usb_linux_detach; 828d59ecb2SHans Petter Selasky static device_suspend_t usb_linux_suspend; 838d59ecb2SHans Petter Selasky static device_resume_t usb_linux_resume; 848d59ecb2SHans Petter Selasky 858d59ecb2SHans Petter Selasky static usb_callback_t usb_linux_isoc_callback; 868d59ecb2SHans Petter Selasky static usb_callback_t usb_linux_non_isoc_callback; 878d59ecb2SHans Petter Selasky 888d59ecb2SHans Petter Selasky static usb_complete_t usb_linux_wait_complete; 898d59ecb2SHans Petter Selasky 908d59ecb2SHans Petter Selasky static uint16_t usb_max_isoc_frames(struct usb_device *); 918d59ecb2SHans Petter Selasky static int usb_start_wait_urb(struct urb *, usb_timeout_t, uint16_t *); 928d59ecb2SHans Petter Selasky static const struct usb_device_id *usb_linux_lookup_id( 938d59ecb2SHans Petter Selasky const struct usb_device_id *, struct usb_attach_arg *); 948d59ecb2SHans Petter Selasky static struct usb_driver *usb_linux_get_usb_driver(struct usb_linux_softc *); 958d59ecb2SHans Petter Selasky static int usb_linux_create_usb_device(struct usb_device *, device_t); 968d59ecb2SHans Petter Selasky static void usb_linux_cleanup_interface(struct usb_device *, 978d59ecb2SHans Petter Selasky struct usb_interface *); 988d59ecb2SHans Petter Selasky static void usb_linux_complete(struct usb_xfer *); 998d59ecb2SHans Petter Selasky static int usb_unlink_urb_sub(struct urb *, uint8_t); 1008d59ecb2SHans Petter Selasky 1018d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 1028d59ecb2SHans Petter Selasky * FreeBSD USB interface 1038d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 1048d59ecb2SHans Petter Selasky 1058d59ecb2SHans Petter Selasky static LIST_HEAD(, usb_linux_softc) usb_linux_attached_list; 1068d59ecb2SHans Petter Selasky static LIST_HEAD(, usb_driver) usb_linux_driver_list; 1078d59ecb2SHans Petter Selasky 1088d59ecb2SHans Petter Selasky static device_method_t usb_linux_methods[] = { 1098d59ecb2SHans Petter Selasky /* Device interface */ 1108d59ecb2SHans Petter Selasky DEVMETHOD(device_probe, usb_linux_probe), 1118d59ecb2SHans Petter Selasky DEVMETHOD(device_attach, usb_linux_attach), 1128d59ecb2SHans Petter Selasky DEVMETHOD(device_detach, usb_linux_detach), 1138d59ecb2SHans Petter Selasky DEVMETHOD(device_suspend, usb_linux_suspend), 1148d59ecb2SHans Petter Selasky DEVMETHOD(device_resume, usb_linux_resume), 1158d59ecb2SHans Petter Selasky 1168d59ecb2SHans Petter Selasky DEVMETHOD_END 1178d59ecb2SHans Petter Selasky }; 1188d59ecb2SHans Petter Selasky 1198d59ecb2SHans Petter Selasky static driver_t usb_linux_driver = { 1208d59ecb2SHans Petter Selasky .name = "usb_linux", 1218d59ecb2SHans Petter Selasky .methods = usb_linux_methods, 1228d59ecb2SHans Petter Selasky .size = sizeof(struct usb_linux_softc), 1238d59ecb2SHans Petter Selasky }; 1248d59ecb2SHans Petter Selasky 1258d59ecb2SHans Petter Selasky static devclass_t usb_linux_devclass; 1268d59ecb2SHans Petter Selasky 1278d59ecb2SHans Petter Selasky DRIVER_MODULE(usb_linux, uhub, usb_linux_driver, usb_linux_devclass, NULL, 0); 1288d59ecb2SHans Petter Selasky MODULE_VERSION(usb_linux, 1); 1298d59ecb2SHans Petter Selasky 1308d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 1318d59ecb2SHans Petter Selasky * usb_linux_lookup_id 1328d59ecb2SHans Petter Selasky * 1338d59ecb2SHans Petter Selasky * This functions takes an array of "struct usb_device_id" and tries 1348d59ecb2SHans Petter Selasky * to match the entries with the information in "struct usb_attach_arg". 1358d59ecb2SHans Petter Selasky * If it finds a match the matching entry will be returned. 1368d59ecb2SHans Petter Selasky * Else "NULL" will be returned. 1378d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 1388d59ecb2SHans Petter Selasky static const struct usb_device_id * 1398d59ecb2SHans Petter Selasky usb_linux_lookup_id(const struct usb_device_id *id, struct usb_attach_arg *uaa) 1408d59ecb2SHans Petter Selasky { 1418d59ecb2SHans Petter Selasky if (id == NULL) { 1428d59ecb2SHans Petter Selasky goto done; 1438d59ecb2SHans Petter Selasky } 1448d59ecb2SHans Petter Selasky /* 1458d59ecb2SHans Petter Selasky * Keep on matching array entries until we find one with 1468d59ecb2SHans Petter Selasky * "match_flags" equal to zero, which indicates the end of the 1478d59ecb2SHans Petter Selasky * array: 1488d59ecb2SHans Petter Selasky */ 1498d59ecb2SHans Petter Selasky for (; id->match_flags; id++) { 1508d59ecb2SHans Petter Selasky 1518d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && 1528d59ecb2SHans Petter Selasky (id->idVendor != uaa->info.idVendor)) { 1538d59ecb2SHans Petter Selasky continue; 1548d59ecb2SHans Petter Selasky } 1558d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) && 1568d59ecb2SHans Petter Selasky (id->idProduct != uaa->info.idProduct)) { 1578d59ecb2SHans Petter Selasky continue; 1588d59ecb2SHans Petter Selasky } 1598d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) && 1608d59ecb2SHans Petter Selasky (id->bcdDevice_lo > uaa->info.bcdDevice)) { 1618d59ecb2SHans Petter Selasky continue; 1628d59ecb2SHans Petter Selasky } 1638d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) && 1648d59ecb2SHans Petter Selasky (id->bcdDevice_hi < uaa->info.bcdDevice)) { 1658d59ecb2SHans Petter Selasky continue; 1668d59ecb2SHans Petter Selasky } 1678d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) && 1688d59ecb2SHans Petter Selasky (id->bDeviceClass != uaa->info.bDeviceClass)) { 1698d59ecb2SHans Petter Selasky continue; 1708d59ecb2SHans Petter Selasky } 1718d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) && 1728d59ecb2SHans Petter Selasky (id->bDeviceSubClass != uaa->info.bDeviceSubClass)) { 1738d59ecb2SHans Petter Selasky continue; 1748d59ecb2SHans Petter Selasky } 1758d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) && 1768d59ecb2SHans Petter Selasky (id->bDeviceProtocol != uaa->info.bDeviceProtocol)) { 1778d59ecb2SHans Petter Selasky continue; 1788d59ecb2SHans Petter Selasky } 1798d59ecb2SHans Petter Selasky if ((uaa->info.bDeviceClass == 0xFF) && 1808d59ecb2SHans Petter Selasky !(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && 1818d59ecb2SHans Petter Selasky (id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS | 1828d59ecb2SHans Petter Selasky USB_DEVICE_ID_MATCH_INT_SUBCLASS | 1838d59ecb2SHans Petter Selasky USB_DEVICE_ID_MATCH_INT_PROTOCOL))) { 1848d59ecb2SHans Petter Selasky continue; 1858d59ecb2SHans Petter Selasky } 1868d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) && 1878d59ecb2SHans Petter Selasky (id->bInterfaceClass != uaa->info.bInterfaceClass)) { 1888d59ecb2SHans Petter Selasky continue; 1898d59ecb2SHans Petter Selasky } 1908d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_SUBCLASS) && 1918d59ecb2SHans Petter Selasky (id->bInterfaceSubClass != uaa->info.bInterfaceSubClass)) { 1928d59ecb2SHans Petter Selasky continue; 1938d59ecb2SHans Petter Selasky } 1948d59ecb2SHans Petter Selasky if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_PROTOCOL) && 1958d59ecb2SHans Petter Selasky (id->bInterfaceProtocol != uaa->info.bInterfaceProtocol)) { 1968d59ecb2SHans Petter Selasky continue; 1978d59ecb2SHans Petter Selasky } 1988d59ecb2SHans Petter Selasky /* we found a match! */ 1998d59ecb2SHans Petter Selasky return (id); 2008d59ecb2SHans Petter Selasky } 2018d59ecb2SHans Petter Selasky 2028d59ecb2SHans Petter Selasky done: 2038d59ecb2SHans Petter Selasky return (NULL); 2048d59ecb2SHans Petter Selasky } 2058d59ecb2SHans Petter Selasky 2068d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 2078d59ecb2SHans Petter Selasky * usb_linux_probe 2088d59ecb2SHans Petter Selasky * 2098d59ecb2SHans Petter Selasky * This function is the FreeBSD probe callback. It is called from the 2108d59ecb2SHans Petter Selasky * FreeBSD USB stack through the "device_probe_and_attach()" function. 2118d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 2128d59ecb2SHans Petter Selasky static int 2138d59ecb2SHans Petter Selasky usb_linux_probe(device_t dev) 2148d59ecb2SHans Petter Selasky { 2158d59ecb2SHans Petter Selasky struct usb_attach_arg *uaa = device_get_ivars(dev); 2168d59ecb2SHans Petter Selasky struct usb_driver *udrv; 2178d59ecb2SHans Petter Selasky int err = ENXIO; 2188d59ecb2SHans Petter Selasky 2198d59ecb2SHans Petter Selasky if (uaa->usb_mode != USB_MODE_HOST) { 2208d59ecb2SHans Petter Selasky return (ENXIO); 2218d59ecb2SHans Petter Selasky } 2228d59ecb2SHans Petter Selasky mtx_lock(&Giant); 2238d59ecb2SHans Petter Selasky LIST_FOREACH(udrv, &usb_linux_driver_list, linux_driver_list) { 2248d59ecb2SHans Petter Selasky if (usb_linux_lookup_id(udrv->id_table, uaa)) { 2258d59ecb2SHans Petter Selasky err = 0; 2268d59ecb2SHans Petter Selasky break; 2278d59ecb2SHans Petter Selasky } 2288d59ecb2SHans Petter Selasky } 2298d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 2308d59ecb2SHans Petter Selasky 2318d59ecb2SHans Petter Selasky return (err); 2328d59ecb2SHans Petter Selasky } 2338d59ecb2SHans Petter Selasky 2348d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 2358d59ecb2SHans Petter Selasky * usb_linux_get_usb_driver 2368d59ecb2SHans Petter Selasky * 2378d59ecb2SHans Petter Selasky * This function returns the pointer to the "struct usb_driver" where 2388d59ecb2SHans Petter Selasky * the Linux USB device driver "struct usb_device_id" match was found. 2398d59ecb2SHans Petter Selasky * We apply a lock before reading out the pointer to avoid races. 2408d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 2418d59ecb2SHans Petter Selasky static struct usb_driver * 2428d59ecb2SHans Petter Selasky usb_linux_get_usb_driver(struct usb_linux_softc *sc) 2438d59ecb2SHans Petter Selasky { 2448d59ecb2SHans Petter Selasky struct usb_driver *udrv; 2458d59ecb2SHans Petter Selasky 2468d59ecb2SHans Petter Selasky mtx_lock(&Giant); 2478d59ecb2SHans Petter Selasky udrv = sc->sc_udrv; 2488d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 2498d59ecb2SHans Petter Selasky return (udrv); 2508d59ecb2SHans Petter Selasky } 2518d59ecb2SHans Petter Selasky 2528d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 2538d59ecb2SHans Petter Selasky * usb_linux_attach 2548d59ecb2SHans Petter Selasky * 2558d59ecb2SHans Petter Selasky * This function is the FreeBSD attach callback. It is called from the 2568d59ecb2SHans Petter Selasky * FreeBSD USB stack through the "device_probe_and_attach()" function. 2578d59ecb2SHans Petter Selasky * This function is called when "usb_linux_probe()" returns zero. 2588d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 2598d59ecb2SHans Petter Selasky static int 2608d59ecb2SHans Petter Selasky usb_linux_attach(device_t dev) 2618d59ecb2SHans Petter Selasky { 2628d59ecb2SHans Petter Selasky struct usb_attach_arg *uaa = device_get_ivars(dev); 2638d59ecb2SHans Petter Selasky struct usb_linux_softc *sc = device_get_softc(dev); 2648d59ecb2SHans Petter Selasky struct usb_driver *udrv; 2658d59ecb2SHans Petter Selasky const struct usb_device_id *id = NULL; 2668d59ecb2SHans Petter Selasky 2678d59ecb2SHans Petter Selasky mtx_lock(&Giant); 2688d59ecb2SHans Petter Selasky LIST_FOREACH(udrv, &usb_linux_driver_list, linux_driver_list) { 2698d59ecb2SHans Petter Selasky id = usb_linux_lookup_id(udrv->id_table, uaa); 2708d59ecb2SHans Petter Selasky if (id) 2718d59ecb2SHans Petter Selasky break; 2728d59ecb2SHans Petter Selasky } 2738d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 2748d59ecb2SHans Petter Selasky 2758d59ecb2SHans Petter Selasky if (id == NULL) { 2768d59ecb2SHans Petter Selasky return (ENXIO); 2778d59ecb2SHans Petter Selasky } 2788d59ecb2SHans Petter Selasky if (usb_linux_create_usb_device(uaa->device, dev) != 0) 2798d59ecb2SHans Petter Selasky return (ENOMEM); 2808d59ecb2SHans Petter Selasky device_set_usb_desc(dev); 2818d59ecb2SHans Petter Selasky 2828d59ecb2SHans Petter Selasky sc->sc_fbsd_udev = uaa->device; 2838d59ecb2SHans Petter Selasky sc->sc_fbsd_dev = dev; 2848d59ecb2SHans Petter Selasky sc->sc_udrv = udrv; 2858d59ecb2SHans Petter Selasky sc->sc_ui = usb_ifnum_to_if(uaa->device, uaa->info.bIfaceNum); 2868d59ecb2SHans Petter Selasky if (sc->sc_ui == NULL) { 2878d59ecb2SHans Petter Selasky return (EINVAL); 2888d59ecb2SHans Petter Selasky } 2898d59ecb2SHans Petter Selasky if (udrv->probe) { 2908d59ecb2SHans Petter Selasky if ((udrv->probe) (sc->sc_ui, id)) { 2918d59ecb2SHans Petter Selasky return (ENXIO); 2928d59ecb2SHans Petter Selasky } 2938d59ecb2SHans Petter Selasky } 2948d59ecb2SHans Petter Selasky mtx_lock(&Giant); 2958d59ecb2SHans Petter Selasky LIST_INSERT_HEAD(&usb_linux_attached_list, sc, sc_attached_list); 2968d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 2978d59ecb2SHans Petter Selasky 2988d59ecb2SHans Petter Selasky /* success */ 2998d59ecb2SHans Petter Selasky return (0); 3008d59ecb2SHans Petter Selasky } 3018d59ecb2SHans Petter Selasky 3028d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3038d59ecb2SHans Petter Selasky * usb_linux_detach 3048d59ecb2SHans Petter Selasky * 3058d59ecb2SHans Petter Selasky * This function is the FreeBSD detach callback. It is called from the 3068d59ecb2SHans Petter Selasky * FreeBSD USB stack through the "device_detach()" function. 3078d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 3088d59ecb2SHans Petter Selasky static int 3098d59ecb2SHans Petter Selasky usb_linux_detach(device_t dev) 3108d59ecb2SHans Petter Selasky { 3118d59ecb2SHans Petter Selasky struct usb_linux_softc *sc = device_get_softc(dev); 3128d59ecb2SHans Petter Selasky struct usb_driver *udrv = NULL; 3138d59ecb2SHans Petter Selasky 3148d59ecb2SHans Petter Selasky mtx_lock(&Giant); 3158d59ecb2SHans Petter Selasky if (sc->sc_attached_list.le_prev) { 3168d59ecb2SHans Petter Selasky LIST_REMOVE(sc, sc_attached_list); 3178d59ecb2SHans Petter Selasky sc->sc_attached_list.le_prev = NULL; 3188d59ecb2SHans Petter Selasky udrv = sc->sc_udrv; 3198d59ecb2SHans Petter Selasky sc->sc_udrv = NULL; 3208d59ecb2SHans Petter Selasky } 3218d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 3228d59ecb2SHans Petter Selasky 3238d59ecb2SHans Petter Selasky if (udrv && udrv->disconnect) { 3248d59ecb2SHans Petter Selasky (udrv->disconnect) (sc->sc_ui); 3258d59ecb2SHans Petter Selasky } 3268d59ecb2SHans Petter Selasky /* 3278d59ecb2SHans Petter Selasky * Make sure that we free all FreeBSD USB transfers belonging to 3288d59ecb2SHans Petter Selasky * this Linux "usb_interface", hence they will most likely not be 3298d59ecb2SHans Petter Selasky * needed any more. 3308d59ecb2SHans Petter Selasky */ 3318d59ecb2SHans Petter Selasky usb_linux_cleanup_interface(sc->sc_fbsd_udev, sc->sc_ui); 3328d59ecb2SHans Petter Selasky return (0); 3338d59ecb2SHans Petter Selasky } 3348d59ecb2SHans Petter Selasky 3358d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3368d59ecb2SHans Petter Selasky * usb_linux_suspend 3378d59ecb2SHans Petter Selasky * 3388d59ecb2SHans Petter Selasky * This function is the FreeBSD suspend callback. Usually it does nothing. 3398d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 3408d59ecb2SHans Petter Selasky static int 3418d59ecb2SHans Petter Selasky usb_linux_suspend(device_t dev) 3428d59ecb2SHans Petter Selasky { 3438d59ecb2SHans Petter Selasky struct usb_linux_softc *sc = device_get_softc(dev); 3448d59ecb2SHans Petter Selasky struct usb_driver *udrv = usb_linux_get_usb_driver(sc); 3458d59ecb2SHans Petter Selasky int err; 3468d59ecb2SHans Petter Selasky 3478d59ecb2SHans Petter Selasky if (udrv && udrv->suspend) { 3488d59ecb2SHans Petter Selasky err = (udrv->suspend) (sc->sc_ui, 0); 3498d59ecb2SHans Petter Selasky } 3508d59ecb2SHans Petter Selasky return (0); 3518d59ecb2SHans Petter Selasky } 3528d59ecb2SHans Petter Selasky 3538d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3548d59ecb2SHans Petter Selasky * usb_linux_resume 3558d59ecb2SHans Petter Selasky * 3568d59ecb2SHans Petter Selasky * This function is the FreeBSD resume callback. Usually it does nothing. 3578d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 3588d59ecb2SHans Petter Selasky static int 3598d59ecb2SHans Petter Selasky usb_linux_resume(device_t dev) 3608d59ecb2SHans Petter Selasky { 3618d59ecb2SHans Petter Selasky struct usb_linux_softc *sc = device_get_softc(dev); 3628d59ecb2SHans Petter Selasky struct usb_driver *udrv = usb_linux_get_usb_driver(sc); 3638d59ecb2SHans Petter Selasky int err; 3648d59ecb2SHans Petter Selasky 3658d59ecb2SHans Petter Selasky if (udrv && udrv->resume) { 3668d59ecb2SHans Petter Selasky err = (udrv->resume) (sc->sc_ui); 3678d59ecb2SHans Petter Selasky } 3688d59ecb2SHans Petter Selasky return (0); 3698d59ecb2SHans Petter Selasky } 3708d59ecb2SHans Petter Selasky 3718d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3728d59ecb2SHans Petter Selasky * Linux emulation layer 3738d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 3748d59ecb2SHans Petter Selasky 3758d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3768d59ecb2SHans Petter Selasky * usb_max_isoc_frames 3778d59ecb2SHans Petter Selasky * 3788d59ecb2SHans Petter Selasky * The following function returns the maximum number of isochronous 3798d59ecb2SHans Petter Selasky * frames that we support per URB. It is not part of the Linux USB API. 3808d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 3818d59ecb2SHans Petter Selasky static uint16_t 3828d59ecb2SHans Petter Selasky usb_max_isoc_frames(struct usb_device *dev) 3838d59ecb2SHans Petter Selasky { 3848d59ecb2SHans Petter Selasky ; /* indent fix */ 3858d59ecb2SHans Petter Selasky switch (usbd_get_speed(dev)) { 3868d59ecb2SHans Petter Selasky case USB_SPEED_LOW: 3878d59ecb2SHans Petter Selasky case USB_SPEED_FULL: 3888d59ecb2SHans Petter Selasky return (USB_MAX_FULL_SPEED_ISOC_FRAMES); 3898d59ecb2SHans Petter Selasky default: 3908d59ecb2SHans Petter Selasky return (USB_MAX_HIGH_SPEED_ISOC_FRAMES); 3918d59ecb2SHans Petter Selasky } 3928d59ecb2SHans Petter Selasky } 3938d59ecb2SHans Petter Selasky 3948d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 3958d59ecb2SHans Petter Selasky * usb_submit_urb 3968d59ecb2SHans Petter Selasky * 3978d59ecb2SHans Petter Selasky * This function is used to queue an URB after that it has been 3988d59ecb2SHans Petter Selasky * initialized. If it returns non-zero, it means that the URB was not 3998d59ecb2SHans Petter Selasky * queued. 4008d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 4018d59ecb2SHans Petter Selasky int 4028d59ecb2SHans Petter Selasky usb_submit_urb(struct urb *urb, uint16_t mem_flags) 4038d59ecb2SHans Petter Selasky { 4048d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe; 4058d59ecb2SHans Petter Selasky uint8_t do_unlock; 4068d59ecb2SHans Petter Selasky int err; 4078d59ecb2SHans Petter Selasky 4088d59ecb2SHans Petter Selasky if (urb == NULL) 4098d59ecb2SHans Petter Selasky return (-EINVAL); 4108d59ecb2SHans Petter Selasky 4118d59ecb2SHans Petter Selasky do_unlock = mtx_owned(&Giant) ? 0 : 1; 4128d59ecb2SHans Petter Selasky if (do_unlock) 4138d59ecb2SHans Petter Selasky mtx_lock(&Giant); 4148d59ecb2SHans Petter Selasky 4158d59ecb2SHans Petter Selasky if (urb->endpoint == NULL) { 4168d59ecb2SHans Petter Selasky err = -EINVAL; 4178d59ecb2SHans Petter Selasky goto done; 4188d59ecb2SHans Petter Selasky } 4198d59ecb2SHans Petter Selasky 4208d59ecb2SHans Petter Selasky /* 4218d59ecb2SHans Petter Selasky * Check to see if the urb is in the process of being killed 4228d59ecb2SHans Petter Selasky * and stop a urb that is in the process of being killed from 4238d59ecb2SHans Petter Selasky * being re-submitted (e.g. from its completion callback 4248d59ecb2SHans Petter Selasky * function). 4258d59ecb2SHans Petter Selasky */ 4268d59ecb2SHans Petter Selasky if (urb->kill_count != 0) { 4278d59ecb2SHans Petter Selasky err = -EPERM; 4288d59ecb2SHans Petter Selasky goto done; 4298d59ecb2SHans Petter Selasky } 4308d59ecb2SHans Petter Selasky 4318d59ecb2SHans Petter Selasky uhe = urb->endpoint; 4328d59ecb2SHans Petter Selasky 4338d59ecb2SHans Petter Selasky /* 4348d59ecb2SHans Petter Selasky * Check that we have got a FreeBSD USB transfer that will dequeue 4358d59ecb2SHans Petter Selasky * the URB structure and do the real transfer. If there are no USB 4368d59ecb2SHans Petter Selasky * transfers, then we return an error. 4378d59ecb2SHans Petter Selasky */ 4388d59ecb2SHans Petter Selasky if (uhe->bsd_xfer[0] || 4398d59ecb2SHans Petter Selasky uhe->bsd_xfer[1]) { 4408d59ecb2SHans Petter Selasky /* we are ready! */ 4418d59ecb2SHans Petter Selasky 4428d59ecb2SHans Petter Selasky TAILQ_INSERT_TAIL(&uhe->bsd_urb_list, urb, bsd_urb_list); 4438d59ecb2SHans Petter Selasky 4448d59ecb2SHans Petter Selasky urb->status = -EINPROGRESS; 4458d59ecb2SHans Petter Selasky 4468d59ecb2SHans Petter Selasky usbd_transfer_start(uhe->bsd_xfer[0]); 4478d59ecb2SHans Petter Selasky usbd_transfer_start(uhe->bsd_xfer[1]); 4488d59ecb2SHans Petter Selasky err = 0; 4498d59ecb2SHans Petter Selasky } else { 4508d59ecb2SHans Petter Selasky /* no pipes have been setup yet! */ 4518d59ecb2SHans Petter Selasky urb->status = -EINVAL; 4528d59ecb2SHans Petter Selasky err = -EINVAL; 4538d59ecb2SHans Petter Selasky } 4548d59ecb2SHans Petter Selasky done: 4558d59ecb2SHans Petter Selasky if (do_unlock) 4568d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 4578d59ecb2SHans Petter Selasky return (err); 4588d59ecb2SHans Petter Selasky } 4598d59ecb2SHans Petter Selasky 4608d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 4618d59ecb2SHans Petter Selasky * usb_unlink_urb 4628d59ecb2SHans Petter Selasky * 4638d59ecb2SHans Petter Selasky * This function is used to stop an URB after that it is been 4648d59ecb2SHans Petter Selasky * submitted, but before the "complete" callback has been called. On 4658d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 4668d59ecb2SHans Petter Selasky int 4678d59ecb2SHans Petter Selasky usb_unlink_urb(struct urb *urb) 4688d59ecb2SHans Petter Selasky { 4698d59ecb2SHans Petter Selasky return (usb_unlink_urb_sub(urb, 0)); 4708d59ecb2SHans Petter Selasky } 4718d59ecb2SHans Petter Selasky 4728d59ecb2SHans Petter Selasky static void 4738d59ecb2SHans Petter Selasky usb_unlink_bsd(struct usb_xfer *xfer, 4748d59ecb2SHans Petter Selasky struct urb *urb, uint8_t drain) 4758d59ecb2SHans Petter Selasky { 4768d59ecb2SHans Petter Selasky if (xfer == NULL) 4778d59ecb2SHans Petter Selasky return; 4788d59ecb2SHans Petter Selasky if (!usbd_transfer_pending(xfer)) 4798d59ecb2SHans Petter Selasky return; 4808d59ecb2SHans Petter Selasky if (xfer->priv_fifo == (void *)urb) { 4818d59ecb2SHans Petter Selasky if (drain) { 4828d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 4838d59ecb2SHans Petter Selasky usbd_transfer_drain(xfer); 4848d59ecb2SHans Petter Selasky mtx_lock(&Giant); 4858d59ecb2SHans Petter Selasky } else { 4868d59ecb2SHans Petter Selasky usbd_transfer_stop(xfer); 4878d59ecb2SHans Petter Selasky } 4888d59ecb2SHans Petter Selasky usbd_transfer_start(xfer); 4898d59ecb2SHans Petter Selasky } 4908d59ecb2SHans Petter Selasky } 4918d59ecb2SHans Petter Selasky 4928d59ecb2SHans Petter Selasky static int 4938d59ecb2SHans Petter Selasky usb_unlink_urb_sub(struct urb *urb, uint8_t drain) 4948d59ecb2SHans Petter Selasky { 4958d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe; 4968d59ecb2SHans Petter Selasky uint16_t x; 4978d59ecb2SHans Petter Selasky uint8_t do_unlock; 4988d59ecb2SHans Petter Selasky int err; 4998d59ecb2SHans Petter Selasky 5008d59ecb2SHans Petter Selasky if (urb == NULL) 5018d59ecb2SHans Petter Selasky return (-EINVAL); 5028d59ecb2SHans Petter Selasky 5038d59ecb2SHans Petter Selasky do_unlock = mtx_owned(&Giant) ? 0 : 1; 5048d59ecb2SHans Petter Selasky if (do_unlock) 5058d59ecb2SHans Petter Selasky mtx_lock(&Giant); 5068d59ecb2SHans Petter Selasky if (drain) 5078d59ecb2SHans Petter Selasky urb->kill_count++; 5088d59ecb2SHans Petter Selasky 5098d59ecb2SHans Petter Selasky if (urb->endpoint == NULL) { 5108d59ecb2SHans Petter Selasky err = -EINVAL; 5118d59ecb2SHans Petter Selasky goto done; 5128d59ecb2SHans Petter Selasky } 5138d59ecb2SHans Petter Selasky uhe = urb->endpoint; 5148d59ecb2SHans Petter Selasky 5158d59ecb2SHans Petter Selasky if (urb->bsd_urb_list.tqe_prev) { 5168d59ecb2SHans Petter Selasky 5178d59ecb2SHans Petter Selasky /* not started yet, just remove it from the queue */ 5188d59ecb2SHans Petter Selasky TAILQ_REMOVE(&uhe->bsd_urb_list, urb, bsd_urb_list); 5198d59ecb2SHans Petter Selasky urb->bsd_urb_list.tqe_prev = NULL; 5208d59ecb2SHans Petter Selasky urb->status = -ECONNRESET; 5218d59ecb2SHans Petter Selasky urb->actual_length = 0; 5228d59ecb2SHans Petter Selasky 5238d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 5248d59ecb2SHans Petter Selasky urb->iso_frame_desc[x].actual_length = 0; 5258d59ecb2SHans Petter Selasky } 5268d59ecb2SHans Petter Selasky 5278d59ecb2SHans Petter Selasky if (urb->complete) { 5288d59ecb2SHans Petter Selasky (urb->complete) (urb); 5298d59ecb2SHans Petter Selasky } 5308d59ecb2SHans Petter Selasky } else { 5318d59ecb2SHans Petter Selasky 5328d59ecb2SHans Petter Selasky /* 5338d59ecb2SHans Petter Selasky * If the URB is not on the URB list, then check if one of 5348d59ecb2SHans Petter Selasky * the FreeBSD USB transfer are processing the current URB. 5358d59ecb2SHans Petter Selasky * If so, re-start that transfer, which will lead to the 5368d59ecb2SHans Petter Selasky * termination of that URB: 5378d59ecb2SHans Petter Selasky */ 5388d59ecb2SHans Petter Selasky usb_unlink_bsd(uhe->bsd_xfer[0], urb, drain); 5398d59ecb2SHans Petter Selasky usb_unlink_bsd(uhe->bsd_xfer[1], urb, drain); 5408d59ecb2SHans Petter Selasky } 5418d59ecb2SHans Petter Selasky err = 0; 5428d59ecb2SHans Petter Selasky done: 5438d59ecb2SHans Petter Selasky if (drain) 5448d59ecb2SHans Petter Selasky urb->kill_count--; 5458d59ecb2SHans Petter Selasky if (do_unlock) 5468d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 5478d59ecb2SHans Petter Selasky return (err); 5488d59ecb2SHans Petter Selasky } 5498d59ecb2SHans Petter Selasky 5508d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 5518d59ecb2SHans Petter Selasky * usb_clear_halt 5528d59ecb2SHans Petter Selasky * 5538d59ecb2SHans Petter Selasky * This function must always be used to clear the stall. Stall is when 5548d59ecb2SHans Petter Selasky * an USB endpoint returns a stall message to the USB host controller. 5558d59ecb2SHans Petter Selasky * Until the stall is cleared, no data can be transferred. 5568d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 5578d59ecb2SHans Petter Selasky int 5588d59ecb2SHans Petter Selasky usb_clear_halt(struct usb_device *dev, struct usb_host_endpoint *uhe) 5598d59ecb2SHans Petter Selasky { 5608d59ecb2SHans Petter Selasky struct usb_config cfg[1]; 5618d59ecb2SHans Petter Selasky struct usb_endpoint *ep; 5628d59ecb2SHans Petter Selasky uint8_t type; 5638d59ecb2SHans Petter Selasky uint8_t addr; 5648d59ecb2SHans Petter Selasky 5658d59ecb2SHans Petter Selasky if (uhe == NULL) 5668d59ecb2SHans Petter Selasky return (-EINVAL); 5678d59ecb2SHans Petter Selasky 5688d59ecb2SHans Petter Selasky type = uhe->desc.bmAttributes & UE_XFERTYPE; 5698d59ecb2SHans Petter Selasky addr = uhe->desc.bEndpointAddress; 5708d59ecb2SHans Petter Selasky 5718d59ecb2SHans Petter Selasky memset(cfg, 0, sizeof(cfg)); 5728d59ecb2SHans Petter Selasky 5738d59ecb2SHans Petter Selasky cfg[0].type = type; 5748d59ecb2SHans Petter Selasky cfg[0].endpoint = addr & UE_ADDR; 5758d59ecb2SHans Petter Selasky cfg[0].direction = addr & (UE_DIR_OUT | UE_DIR_IN); 5768d59ecb2SHans Petter Selasky 5778d59ecb2SHans Petter Selasky ep = usbd_get_endpoint(dev, uhe->bsd_iface_index, cfg); 5788d59ecb2SHans Petter Selasky if (ep == NULL) 5798d59ecb2SHans Petter Selasky return (-EINVAL); 5808d59ecb2SHans Petter Selasky 5818d59ecb2SHans Petter Selasky usbd_clear_data_toggle(dev, ep); 5828d59ecb2SHans Petter Selasky 5838d59ecb2SHans Petter Selasky return (usb_control_msg(dev, &dev->ep0, 5848d59ecb2SHans Petter Selasky UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT, 5858d59ecb2SHans Petter Selasky UF_ENDPOINT_HALT, addr, NULL, 0, 1000)); 5868d59ecb2SHans Petter Selasky } 5878d59ecb2SHans Petter Selasky 5888d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 5898d59ecb2SHans Petter Selasky * usb_start_wait_urb 5908d59ecb2SHans Petter Selasky * 5918d59ecb2SHans Petter Selasky * This is an internal function that is used to perform synchronous 5928d59ecb2SHans Petter Selasky * Linux USB transfers. 5938d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 5948d59ecb2SHans Petter Selasky static int 5958d59ecb2SHans Petter Selasky usb_start_wait_urb(struct urb *urb, usb_timeout_t timeout, uint16_t *p_actlen) 5968d59ecb2SHans Petter Selasky { 5978d59ecb2SHans Petter Selasky int err; 5988d59ecb2SHans Petter Selasky uint8_t do_unlock; 5998d59ecb2SHans Petter Selasky 6008d59ecb2SHans Petter Selasky /* you must have a timeout! */ 6018d59ecb2SHans Petter Selasky if (timeout == 0) { 6028d59ecb2SHans Petter Selasky timeout = 1; 6038d59ecb2SHans Petter Selasky } 6048d59ecb2SHans Petter Selasky urb->complete = &usb_linux_wait_complete; 6058d59ecb2SHans Petter Selasky urb->timeout = timeout; 6068d59ecb2SHans Petter Selasky urb->transfer_flags |= URB_WAIT_WAKEUP; 6078d59ecb2SHans Petter Selasky urb->transfer_flags &= ~URB_IS_SLEEPING; 6088d59ecb2SHans Petter Selasky 6098d59ecb2SHans Petter Selasky do_unlock = mtx_owned(&Giant) ? 0 : 1; 6108d59ecb2SHans Petter Selasky if (do_unlock) 6118d59ecb2SHans Petter Selasky mtx_lock(&Giant); 6128d59ecb2SHans Petter Selasky err = usb_submit_urb(urb, 0); 6138d59ecb2SHans Petter Selasky if (err) 6148d59ecb2SHans Petter Selasky goto done; 6158d59ecb2SHans Petter Selasky 6168d59ecb2SHans Petter Selasky /* 6178d59ecb2SHans Petter Selasky * the URB might have completed before we get here, so check that by 6188d59ecb2SHans Petter Selasky * using some flags! 6198d59ecb2SHans Petter Selasky */ 6208d59ecb2SHans Petter Selasky while (urb->transfer_flags & URB_WAIT_WAKEUP) { 6218d59ecb2SHans Petter Selasky urb->transfer_flags |= URB_IS_SLEEPING; 6228d59ecb2SHans Petter Selasky cv_wait(&urb->cv_wait, &Giant); 6238d59ecb2SHans Petter Selasky urb->transfer_flags &= ~URB_IS_SLEEPING; 6248d59ecb2SHans Petter Selasky } 6258d59ecb2SHans Petter Selasky 6268d59ecb2SHans Petter Selasky err = urb->status; 6278d59ecb2SHans Petter Selasky 6288d59ecb2SHans Petter Selasky done: 6298d59ecb2SHans Petter Selasky if (do_unlock) 6308d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 6318d59ecb2SHans Petter Selasky if (p_actlen != NULL) { 6328d59ecb2SHans Petter Selasky if (err) 6338d59ecb2SHans Petter Selasky *p_actlen = 0; 6348d59ecb2SHans Petter Selasky else 6358d59ecb2SHans Petter Selasky *p_actlen = urb->actual_length; 6368d59ecb2SHans Petter Selasky } 6378d59ecb2SHans Petter Selasky return (err); 6388d59ecb2SHans Petter Selasky } 6398d59ecb2SHans Petter Selasky 6408d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 6418d59ecb2SHans Petter Selasky * usb_control_msg 6428d59ecb2SHans Petter Selasky * 6438d59ecb2SHans Petter Selasky * The following function performs a control transfer sequence one any 6448d59ecb2SHans Petter Selasky * control, bulk or interrupt endpoint, specified by "uhe". A control 6458d59ecb2SHans Petter Selasky * transfer means that you transfer an 8-byte header first followed by 6468d59ecb2SHans Petter Selasky * a data-phase as indicated by the 8-byte header. The "timeout" is 6478d59ecb2SHans Petter Selasky * given in milliseconds. 6488d59ecb2SHans Petter Selasky * 6498d59ecb2SHans Petter Selasky * Return values: 6508d59ecb2SHans Petter Selasky * 0: Success 6518d59ecb2SHans Petter Selasky * < 0: Failure 6521ce4275dSPedro F. Giffuni * > 0: Actual length 6538d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 6548d59ecb2SHans Petter Selasky int 6558d59ecb2SHans Petter Selasky usb_control_msg(struct usb_device *dev, struct usb_host_endpoint *uhe, 6568d59ecb2SHans Petter Selasky uint8_t request, uint8_t requesttype, 6578d59ecb2SHans Petter Selasky uint16_t value, uint16_t index, void *data, 6588d59ecb2SHans Petter Selasky uint16_t size, usb_timeout_t timeout) 6598d59ecb2SHans Petter Selasky { 6608d59ecb2SHans Petter Selasky struct usb_device_request req; 6618d59ecb2SHans Petter Selasky struct urb *urb; 6628d59ecb2SHans Petter Selasky int err; 6638d59ecb2SHans Petter Selasky uint16_t actlen; 6648d59ecb2SHans Petter Selasky uint8_t type; 6658d59ecb2SHans Petter Selasky uint8_t addr; 6668d59ecb2SHans Petter Selasky 6678d59ecb2SHans Petter Selasky req.bmRequestType = requesttype; 6688d59ecb2SHans Petter Selasky req.bRequest = request; 6698d59ecb2SHans Petter Selasky USETW(req.wValue, value); 6708d59ecb2SHans Petter Selasky USETW(req.wIndex, index); 6718d59ecb2SHans Petter Selasky USETW(req.wLength, size); 6728d59ecb2SHans Petter Selasky 6738d59ecb2SHans Petter Selasky if (uhe == NULL) { 6748d59ecb2SHans Petter Selasky return (-EINVAL); 6758d59ecb2SHans Petter Selasky } 6768d59ecb2SHans Petter Selasky type = (uhe->desc.bmAttributes & UE_XFERTYPE); 6778d59ecb2SHans Petter Selasky addr = (uhe->desc.bEndpointAddress & UE_ADDR); 6788d59ecb2SHans Petter Selasky 6798d59ecb2SHans Petter Selasky if (type != UE_CONTROL) { 6808d59ecb2SHans Petter Selasky return (-EINVAL); 6818d59ecb2SHans Petter Selasky } 6828d59ecb2SHans Petter Selasky if (addr == 0) { 6838d59ecb2SHans Petter Selasky /* 6848d59ecb2SHans Petter Selasky * The FreeBSD USB stack supports standard control 6858d59ecb2SHans Petter Selasky * transfers on control endpoint zero: 6868d59ecb2SHans Petter Selasky */ 6878d59ecb2SHans Petter Selasky err = usbd_do_request_flags(dev, 6888d59ecb2SHans Petter Selasky NULL, &req, data, USB_SHORT_XFER_OK, 6898d59ecb2SHans Petter Selasky &actlen, timeout); 6908d59ecb2SHans Petter Selasky if (err) { 6918d59ecb2SHans Petter Selasky err = -EPIPE; 6928d59ecb2SHans Petter Selasky } else { 6938d59ecb2SHans Petter Selasky err = actlen; 6948d59ecb2SHans Petter Selasky } 6958d59ecb2SHans Petter Selasky return (err); 6968d59ecb2SHans Petter Selasky } 6978d59ecb2SHans Petter Selasky if (dev->flags.usb_mode != USB_MODE_HOST) { 6988d59ecb2SHans Petter Selasky /* not supported */ 6998d59ecb2SHans Petter Selasky return (-EINVAL); 7008d59ecb2SHans Petter Selasky } 7018d59ecb2SHans Petter Selasky err = usb_setup_endpoint(dev, uhe, 1 /* dummy */ ); 7028d59ecb2SHans Petter Selasky 7038d59ecb2SHans Petter Selasky /* 7048d59ecb2SHans Petter Selasky * NOTE: we need to allocate real memory here so that we don't 7058d59ecb2SHans Petter Selasky * transfer data to/from the stack! 7068d59ecb2SHans Petter Selasky * 7078d59ecb2SHans Petter Selasky * 0xFFFF is a FreeBSD specific magic value. 7088d59ecb2SHans Petter Selasky */ 7098d59ecb2SHans Petter Selasky urb = usb_alloc_urb(0xFFFF, size); 7108d59ecb2SHans Petter Selasky if (urb == NULL) 7118d59ecb2SHans Petter Selasky return (-ENOMEM); 7128d59ecb2SHans Petter Selasky 7138d59ecb2SHans Petter Selasky urb->dev = dev; 7148d59ecb2SHans Petter Selasky urb->endpoint = uhe; 7158d59ecb2SHans Petter Selasky 7168d59ecb2SHans Petter Selasky memcpy(urb->setup_packet, &req, sizeof(req)); 7178d59ecb2SHans Petter Selasky 7188d59ecb2SHans Petter Selasky if (size && (!(req.bmRequestType & UT_READ))) { 7198d59ecb2SHans Petter Selasky /* move the data to a real buffer */ 7208d59ecb2SHans Petter Selasky memcpy(USB_ADD_BYTES(urb->setup_packet, sizeof(req)), 7218d59ecb2SHans Petter Selasky data, size); 7228d59ecb2SHans Petter Selasky } 7238d59ecb2SHans Petter Selasky err = usb_start_wait_urb(urb, timeout, &actlen); 7248d59ecb2SHans Petter Selasky 7258d59ecb2SHans Petter Selasky if (req.bmRequestType & UT_READ) { 7268d59ecb2SHans Petter Selasky if (actlen) { 7278d59ecb2SHans Petter Selasky bcopy(USB_ADD_BYTES(urb->setup_packet, 7288d59ecb2SHans Petter Selasky sizeof(req)), data, actlen); 7298d59ecb2SHans Petter Selasky } 7308d59ecb2SHans Petter Selasky } 7318d59ecb2SHans Petter Selasky usb_free_urb(urb); 7328d59ecb2SHans Petter Selasky 7338d59ecb2SHans Petter Selasky if (err == 0) { 7348d59ecb2SHans Petter Selasky err = actlen; 7358d59ecb2SHans Petter Selasky } 7368d59ecb2SHans Petter Selasky return (err); 7378d59ecb2SHans Petter Selasky } 7388d59ecb2SHans Petter Selasky 7398d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 7408d59ecb2SHans Petter Selasky * usb_set_interface 7418d59ecb2SHans Petter Selasky * 7428d59ecb2SHans Petter Selasky * The following function will select which alternate setting of an 7438d59ecb2SHans Petter Selasky * USB interface you plan to use. By default alternate setting with 7448d59ecb2SHans Petter Selasky * index zero is selected. Note that "iface_no" is not the interface 7458d59ecb2SHans Petter Selasky * index, but rather the value of "bInterfaceNumber". 7468d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 7478d59ecb2SHans Petter Selasky int 7488d59ecb2SHans Petter Selasky usb_set_interface(struct usb_device *dev, uint8_t iface_no, uint8_t alt_index) 7498d59ecb2SHans Petter Selasky { 7508d59ecb2SHans Petter Selasky struct usb_interface *p_ui = usb_ifnum_to_if(dev, iface_no); 7518d59ecb2SHans Petter Selasky int err; 7528d59ecb2SHans Petter Selasky 7538d59ecb2SHans Petter Selasky if (p_ui == NULL) 7548d59ecb2SHans Petter Selasky return (-EINVAL); 7558d59ecb2SHans Petter Selasky if (alt_index >= p_ui->num_altsetting) 7568d59ecb2SHans Petter Selasky return (-EINVAL); 7578d59ecb2SHans Petter Selasky usb_linux_cleanup_interface(dev, p_ui); 7588d59ecb2SHans Petter Selasky err = -usbd_set_alt_interface_index(dev, 7598d59ecb2SHans Petter Selasky p_ui->bsd_iface_index, alt_index); 7608d59ecb2SHans Petter Selasky if (err == 0) { 7618d59ecb2SHans Petter Selasky p_ui->cur_altsetting = p_ui->altsetting + alt_index; 7628d59ecb2SHans Petter Selasky } 7638d59ecb2SHans Petter Selasky return (err); 7648d59ecb2SHans Petter Selasky } 7658d59ecb2SHans Petter Selasky 7668d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 7678d59ecb2SHans Petter Selasky * usb_setup_endpoint 7688d59ecb2SHans Petter Selasky * 7698d59ecb2SHans Petter Selasky * The following function is an extension to the Linux USB API that 7708d59ecb2SHans Petter Selasky * allows you to set a maximum buffer size for a given USB endpoint. 7718d59ecb2SHans Petter Selasky * The maximum buffer size is per URB. If you don't call this function 7728d59ecb2SHans Petter Selasky * to set a maximum buffer size, the endpoint will not be functional. 7738d59ecb2SHans Petter Selasky * Note that for isochronous endpoints the maximum buffer size must be 7748d59ecb2SHans Petter Selasky * a non-zero dummy, hence this function will base the maximum buffer 7758d59ecb2SHans Petter Selasky * size on "wMaxPacketSize". 7768d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 7778d59ecb2SHans Petter Selasky int 7788d59ecb2SHans Petter Selasky usb_setup_endpoint(struct usb_device *dev, 7798d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe, usb_size_t bufsize) 7808d59ecb2SHans Petter Selasky { 7818d59ecb2SHans Petter Selasky struct usb_config cfg[2]; 7828d59ecb2SHans Petter Selasky uint8_t type = uhe->desc.bmAttributes & UE_XFERTYPE; 7838d59ecb2SHans Petter Selasky uint8_t addr = uhe->desc.bEndpointAddress; 7848d59ecb2SHans Petter Selasky 7858d59ecb2SHans Petter Selasky if (uhe->fbsd_buf_size == bufsize) { 7868d59ecb2SHans Petter Selasky /* optimize */ 7878d59ecb2SHans Petter Selasky return (0); 7888d59ecb2SHans Petter Selasky } 7898d59ecb2SHans Petter Selasky usbd_transfer_unsetup(uhe->bsd_xfer, 2); 7908d59ecb2SHans Petter Selasky 7918d59ecb2SHans Petter Selasky uhe->fbsd_buf_size = bufsize; 7928d59ecb2SHans Petter Selasky 7938d59ecb2SHans Petter Selasky if (bufsize == 0) { 7948d59ecb2SHans Petter Selasky return (0); 7958d59ecb2SHans Petter Selasky } 7968d59ecb2SHans Petter Selasky memset(cfg, 0, sizeof(cfg)); 7978d59ecb2SHans Petter Selasky 7988d59ecb2SHans Petter Selasky if (type == UE_ISOCHRONOUS) { 7998d59ecb2SHans Petter Selasky 8008d59ecb2SHans Petter Selasky /* 8018d59ecb2SHans Petter Selasky * Isochronous transfers are special in that they don't fit 8028d59ecb2SHans Petter Selasky * into the BULK/INTR/CONTROL transfer model. 8038d59ecb2SHans Petter Selasky */ 8048d59ecb2SHans Petter Selasky 8058d59ecb2SHans Petter Selasky cfg[0].type = type; 8068d59ecb2SHans Petter Selasky cfg[0].endpoint = addr & UE_ADDR; 8078d59ecb2SHans Petter Selasky cfg[0].direction = addr & (UE_DIR_OUT | UE_DIR_IN); 8088d59ecb2SHans Petter Selasky cfg[0].callback = &usb_linux_isoc_callback; 8098d59ecb2SHans Petter Selasky cfg[0].bufsize = 0; /* use wMaxPacketSize */ 8108d59ecb2SHans Petter Selasky cfg[0].frames = usb_max_isoc_frames(dev); 8118d59ecb2SHans Petter Selasky cfg[0].flags.proxy_buffer = 1; 8128d59ecb2SHans Petter Selasky #if 0 8138d59ecb2SHans Petter Selasky /* 8148d59ecb2SHans Petter Selasky * The Linux USB API allows non back-to-back 8158d59ecb2SHans Petter Selasky * isochronous frames which we do not support. If the 8168d59ecb2SHans Petter Selasky * isochronous frames are not back-to-back we need to 8178d59ecb2SHans Petter Selasky * do a copy, and then we need a buffer for 8188d59ecb2SHans Petter Selasky * that. Enable this at your own risk. 8198d59ecb2SHans Petter Selasky */ 8208d59ecb2SHans Petter Selasky cfg[0].flags.ext_buffer = 1; 8218d59ecb2SHans Petter Selasky #endif 8228d59ecb2SHans Petter Selasky cfg[0].flags.short_xfer_ok = 1; 8238d59ecb2SHans Petter Selasky 8248d59ecb2SHans Petter Selasky bcopy(cfg, cfg + 1, sizeof(*cfg)); 8258d59ecb2SHans Petter Selasky 8268d59ecb2SHans Petter Selasky /* Allocate and setup two generic FreeBSD USB transfers */ 8278d59ecb2SHans Petter Selasky 8288d59ecb2SHans Petter Selasky if (usbd_transfer_setup(dev, &uhe->bsd_iface_index, 8298d59ecb2SHans Petter Selasky uhe->bsd_xfer, cfg, 2, uhe, &Giant)) { 8308d59ecb2SHans Petter Selasky return (-EINVAL); 8318d59ecb2SHans Petter Selasky } 8328d59ecb2SHans Petter Selasky } else { 8338d59ecb2SHans Petter Selasky if (bufsize > (1 << 22)) { 8348d59ecb2SHans Petter Selasky /* limit buffer size */ 8358d59ecb2SHans Petter Selasky bufsize = (1 << 22); 8368d59ecb2SHans Petter Selasky } 8378d59ecb2SHans Petter Selasky /* Allocate and setup one generic FreeBSD USB transfer */ 8388d59ecb2SHans Petter Selasky 8398d59ecb2SHans Petter Selasky cfg[0].type = type; 8408d59ecb2SHans Petter Selasky cfg[0].endpoint = addr & UE_ADDR; 8418d59ecb2SHans Petter Selasky cfg[0].direction = addr & (UE_DIR_OUT | UE_DIR_IN); 8428d59ecb2SHans Petter Selasky cfg[0].callback = &usb_linux_non_isoc_callback; 8438d59ecb2SHans Petter Selasky cfg[0].bufsize = bufsize; 8448d59ecb2SHans Petter Selasky cfg[0].flags.ext_buffer = 1; /* enable zero-copy */ 8458d59ecb2SHans Petter Selasky cfg[0].flags.proxy_buffer = 1; 8468d59ecb2SHans Petter Selasky cfg[0].flags.short_xfer_ok = 1; 8478d59ecb2SHans Petter Selasky 8488d59ecb2SHans Petter Selasky if (usbd_transfer_setup(dev, &uhe->bsd_iface_index, 8498d59ecb2SHans Petter Selasky uhe->bsd_xfer, cfg, 1, uhe, &Giant)) { 8508d59ecb2SHans Petter Selasky return (-EINVAL); 8518d59ecb2SHans Petter Selasky } 8528d59ecb2SHans Petter Selasky } 8538d59ecb2SHans Petter Selasky return (0); 8548d59ecb2SHans Petter Selasky } 8558d59ecb2SHans Petter Selasky 8568d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 8578d59ecb2SHans Petter Selasky * usb_linux_create_usb_device 8588d59ecb2SHans Petter Selasky * 8598d59ecb2SHans Petter Selasky * The following function is used to build up a per USB device 8608d59ecb2SHans Petter Selasky * structure tree, that mimics the Linux one. The root structure 8618d59ecb2SHans Petter Selasky * is returned by this function. 8628d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 8638d59ecb2SHans Petter Selasky static int 8648d59ecb2SHans Petter Selasky usb_linux_create_usb_device(struct usb_device *udev, device_t dev) 8658d59ecb2SHans Petter Selasky { 8668d59ecb2SHans Petter Selasky struct usb_config_descriptor *cd = usbd_get_config_descriptor(udev); 8678d59ecb2SHans Petter Selasky struct usb_descriptor *desc; 8688d59ecb2SHans Petter Selasky struct usb_interface_descriptor *id; 8698d59ecb2SHans Petter Selasky struct usb_endpoint_descriptor *ed; 8708d59ecb2SHans Petter Selasky struct usb_interface *p_ui = NULL; 8718d59ecb2SHans Petter Selasky struct usb_host_interface *p_uhi = NULL; 8728d59ecb2SHans Petter Selasky struct usb_host_endpoint *p_uhe = NULL; 8738d59ecb2SHans Petter Selasky usb_size_t size; 8748d59ecb2SHans Petter Selasky uint16_t niface_total; 8758d59ecb2SHans Petter Selasky uint16_t nedesc; 8768d59ecb2SHans Petter Selasky uint16_t iface_no_curr; 8778d59ecb2SHans Petter Selasky uint16_t iface_index; 8788d59ecb2SHans Petter Selasky uint8_t pass; 8798d59ecb2SHans Petter Selasky uint8_t iface_no; 8808d59ecb2SHans Petter Selasky 8818d59ecb2SHans Petter Selasky /* 8828d59ecb2SHans Petter Selasky * We do two passes. One pass for computing necessary memory size 8838d59ecb2SHans Petter Selasky * and one pass to initialize all the allocated memory structures. 8848d59ecb2SHans Petter Selasky */ 8858d59ecb2SHans Petter Selasky for (pass = 0; pass < 2; pass++) { 8868d59ecb2SHans Petter Selasky 8878d59ecb2SHans Petter Selasky iface_no_curr = 0xFFFF; 8888d59ecb2SHans Petter Selasky niface_total = 0; 8898d59ecb2SHans Petter Selasky iface_index = 0; 8908d59ecb2SHans Petter Selasky nedesc = 0; 8918d59ecb2SHans Petter Selasky desc = NULL; 8928d59ecb2SHans Petter Selasky 8938d59ecb2SHans Petter Selasky /* 8948d59ecb2SHans Petter Selasky * Iterate over all the USB descriptors. Use the USB config 8958d59ecb2SHans Petter Selasky * descriptor pointer provided by the FreeBSD USB stack. 8968d59ecb2SHans Petter Selasky */ 8978d59ecb2SHans Petter Selasky while ((desc = usb_desc_foreach(cd, desc))) { 8988d59ecb2SHans Petter Selasky 8998d59ecb2SHans Petter Selasky /* 9008d59ecb2SHans Petter Selasky * Build up a tree according to the descriptors we 9018d59ecb2SHans Petter Selasky * find: 9028d59ecb2SHans Petter Selasky */ 9038d59ecb2SHans Petter Selasky switch (desc->bDescriptorType) { 9048d59ecb2SHans Petter Selasky case UDESC_DEVICE: 9058d59ecb2SHans Petter Selasky break; 9068d59ecb2SHans Petter Selasky 9078d59ecb2SHans Petter Selasky case UDESC_ENDPOINT: 9088d59ecb2SHans Petter Selasky ed = (void *)desc; 9098d59ecb2SHans Petter Selasky if ((ed->bLength < sizeof(*ed)) || 9108d59ecb2SHans Petter Selasky (iface_index == 0)) 9118d59ecb2SHans Petter Selasky break; 9128d59ecb2SHans Petter Selasky if (p_uhe) { 9138d59ecb2SHans Petter Selasky bcopy(ed, &p_uhe->desc, sizeof(p_uhe->desc)); 9148d59ecb2SHans Petter Selasky p_uhe->bsd_iface_index = iface_index - 1; 9158d59ecb2SHans Petter Selasky TAILQ_INIT(&p_uhe->bsd_urb_list); 9168d59ecb2SHans Petter Selasky p_uhe++; 9178d59ecb2SHans Petter Selasky } 9188d59ecb2SHans Petter Selasky if (p_uhi) { 9198d59ecb2SHans Petter Selasky (p_uhi - 1)->desc.bNumEndpoints++; 9208d59ecb2SHans Petter Selasky } 9218d59ecb2SHans Petter Selasky nedesc++; 9228d59ecb2SHans Petter Selasky break; 9238d59ecb2SHans Petter Selasky 9248d59ecb2SHans Petter Selasky case UDESC_INTERFACE: 9258d59ecb2SHans Petter Selasky id = (void *)desc; 9268d59ecb2SHans Petter Selasky if (id->bLength < sizeof(*id)) 9278d59ecb2SHans Petter Selasky break; 9288d59ecb2SHans Petter Selasky if (p_uhi) { 9298d59ecb2SHans Petter Selasky bcopy(id, &p_uhi->desc, sizeof(p_uhi->desc)); 9308d59ecb2SHans Petter Selasky p_uhi->desc.bNumEndpoints = 0; 9318d59ecb2SHans Petter Selasky p_uhi->endpoint = p_uhe; 9328d59ecb2SHans Petter Selasky p_uhi->string = ""; 9338d59ecb2SHans Petter Selasky p_uhi->bsd_iface_index = iface_index; 9348d59ecb2SHans Petter Selasky p_uhi++; 9358d59ecb2SHans Petter Selasky } 9368d59ecb2SHans Petter Selasky iface_no = id->bInterfaceNumber; 9378d59ecb2SHans Petter Selasky niface_total++; 9388d59ecb2SHans Petter Selasky if (iface_no_curr != iface_no) { 9398d59ecb2SHans Petter Selasky if (p_ui) { 9408d59ecb2SHans Petter Selasky p_ui->altsetting = p_uhi - 1; 9418d59ecb2SHans Petter Selasky p_ui->cur_altsetting = p_uhi - 1; 9428d59ecb2SHans Petter Selasky p_ui->num_altsetting = 1; 9438d59ecb2SHans Petter Selasky p_ui->bsd_iface_index = iface_index; 9448d59ecb2SHans Petter Selasky p_ui->linux_udev = udev; 9458d59ecb2SHans Petter Selasky p_ui++; 9468d59ecb2SHans Petter Selasky } 9478d59ecb2SHans Petter Selasky iface_no_curr = iface_no; 9488d59ecb2SHans Petter Selasky iface_index++; 9498d59ecb2SHans Petter Selasky } else { 9508d59ecb2SHans Petter Selasky if (p_ui) { 9518d59ecb2SHans Petter Selasky (p_ui - 1)->num_altsetting++; 9528d59ecb2SHans Petter Selasky } 9538d59ecb2SHans Petter Selasky } 9548d59ecb2SHans Petter Selasky break; 9558d59ecb2SHans Petter Selasky 9568d59ecb2SHans Petter Selasky default: 9578d59ecb2SHans Petter Selasky break; 9588d59ecb2SHans Petter Selasky } 9598d59ecb2SHans Petter Selasky } 9608d59ecb2SHans Petter Selasky 9618d59ecb2SHans Petter Selasky if (pass == 0) { 9628d59ecb2SHans Petter Selasky 9638d59ecb2SHans Petter Selasky size = (sizeof(*p_uhe) * nedesc) + 9648d59ecb2SHans Petter Selasky (sizeof(*p_ui) * iface_index) + 9658d59ecb2SHans Petter Selasky (sizeof(*p_uhi) * niface_total); 9668d59ecb2SHans Petter Selasky 9678d59ecb2SHans Petter Selasky p_uhe = malloc(size, M_USBDEV, M_WAITOK | M_ZERO); 9688d59ecb2SHans Petter Selasky p_ui = (void *)(p_uhe + nedesc); 9698d59ecb2SHans Petter Selasky p_uhi = (void *)(p_ui + iface_index); 9708d59ecb2SHans Petter Selasky 9718d59ecb2SHans Petter Selasky udev->linux_iface_start = p_ui; 9728d59ecb2SHans Petter Selasky udev->linux_iface_end = p_ui + iface_index; 9738d59ecb2SHans Petter Selasky udev->linux_endpoint_start = p_uhe; 9748d59ecb2SHans Petter Selasky udev->linux_endpoint_end = p_uhe + nedesc; 9758d59ecb2SHans Petter Selasky udev->devnum = device_get_unit(dev); 9768d59ecb2SHans Petter Selasky bcopy(&udev->ddesc, &udev->descriptor, 9778d59ecb2SHans Petter Selasky sizeof(udev->descriptor)); 9788d59ecb2SHans Petter Selasky bcopy(udev->ctrl_ep.edesc, &udev->ep0.desc, 9798d59ecb2SHans Petter Selasky sizeof(udev->ep0.desc)); 9808d59ecb2SHans Petter Selasky } 9818d59ecb2SHans Petter Selasky } 9828d59ecb2SHans Petter Selasky return (0); 9838d59ecb2SHans Petter Selasky } 9848d59ecb2SHans Petter Selasky 9858d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 9868d59ecb2SHans Petter Selasky * usb_alloc_urb 9878d59ecb2SHans Petter Selasky * 9888d59ecb2SHans Petter Selasky * This function should always be used when you allocate an URB for 9898d59ecb2SHans Petter Selasky * use with the USB Linux stack. In case of an isochronous transfer 9908d59ecb2SHans Petter Selasky * you must specifiy the maximum number of "iso_packets" which you 9918d59ecb2SHans Petter Selasky * plan to transfer per URB. This function is always blocking, and 9928d59ecb2SHans Petter Selasky * "mem_flags" are not regarded like on Linux. 9938d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 9948d59ecb2SHans Petter Selasky struct urb * 9958d59ecb2SHans Petter Selasky usb_alloc_urb(uint16_t iso_packets, uint16_t mem_flags) 9968d59ecb2SHans Petter Selasky { 9978d59ecb2SHans Petter Selasky struct urb *urb; 9988d59ecb2SHans Petter Selasky usb_size_t size; 9998d59ecb2SHans Petter Selasky 10008d59ecb2SHans Petter Selasky if (iso_packets == 0xFFFF) { 10018d59ecb2SHans Petter Selasky /* 10028d59ecb2SHans Petter Selasky * FreeBSD specific magic value to ask for control transfer 10038d59ecb2SHans Petter Selasky * memory allocation: 10048d59ecb2SHans Petter Selasky */ 10058d59ecb2SHans Petter Selasky size = sizeof(*urb) + sizeof(struct usb_device_request) + mem_flags; 10068d59ecb2SHans Petter Selasky } else { 10078d59ecb2SHans Petter Selasky size = sizeof(*urb) + (iso_packets * sizeof(urb->iso_frame_desc[0])); 10088d59ecb2SHans Petter Selasky } 10098d59ecb2SHans Petter Selasky 10108d59ecb2SHans Petter Selasky urb = malloc(size, M_USBDEV, M_WAITOK | M_ZERO); 10118d59ecb2SHans Petter Selasky if (urb) { 10128d59ecb2SHans Petter Selasky 10138d59ecb2SHans Petter Selasky cv_init(&urb->cv_wait, "URBWAIT"); 10148d59ecb2SHans Petter Selasky if (iso_packets == 0xFFFF) { 10158d59ecb2SHans Petter Selasky urb->setup_packet = (void *)(urb + 1); 10168d59ecb2SHans Petter Selasky urb->transfer_buffer = (void *)(urb->setup_packet + 10178d59ecb2SHans Petter Selasky sizeof(struct usb_device_request)); 10188d59ecb2SHans Petter Selasky } else { 10198d59ecb2SHans Petter Selasky urb->number_of_packets = iso_packets; 10208d59ecb2SHans Petter Selasky } 10218d59ecb2SHans Petter Selasky } 10228d59ecb2SHans Petter Selasky return (urb); 10238d59ecb2SHans Petter Selasky } 10248d59ecb2SHans Petter Selasky 10258d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 10268d59ecb2SHans Petter Selasky * usb_find_host_endpoint 10278d59ecb2SHans Petter Selasky * 10288d59ecb2SHans Petter Selasky * The following function will return the Linux USB host endpoint 10298d59ecb2SHans Petter Selasky * structure that matches the given endpoint type and endpoint 10308d59ecb2SHans Petter Selasky * value. If no match is found, NULL is returned. This function is not 10318d59ecb2SHans Petter Selasky * part of the Linux USB API and is only used internally. 10328d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 10338d59ecb2SHans Petter Selasky struct usb_host_endpoint * 10348d59ecb2SHans Petter Selasky usb_find_host_endpoint(struct usb_device *dev, uint8_t type, uint8_t ep) 10358d59ecb2SHans Petter Selasky { 10368d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe; 10378d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe_end; 10388d59ecb2SHans Petter Selasky struct usb_host_interface *uhi; 10398d59ecb2SHans Petter Selasky struct usb_interface *ui; 10408d59ecb2SHans Petter Selasky uint8_t ea; 10418d59ecb2SHans Petter Selasky uint8_t at; 10428d59ecb2SHans Petter Selasky uint8_t mask; 10438d59ecb2SHans Petter Selasky 10448d59ecb2SHans Petter Selasky if (dev == NULL) { 10458d59ecb2SHans Petter Selasky return (NULL); 10468d59ecb2SHans Petter Selasky } 10478d59ecb2SHans Petter Selasky if (type == UE_CONTROL) { 10488d59ecb2SHans Petter Selasky mask = UE_ADDR; 10498d59ecb2SHans Petter Selasky } else { 10508d59ecb2SHans Petter Selasky mask = (UE_DIR_IN | UE_DIR_OUT | UE_ADDR); 10518d59ecb2SHans Petter Selasky } 10528d59ecb2SHans Petter Selasky 10538d59ecb2SHans Petter Selasky ep &= mask; 10548d59ecb2SHans Petter Selasky 10558d59ecb2SHans Petter Selasky /* 10568d59ecb2SHans Petter Selasky * Iterate over all the interfaces searching the selected alternate 10578d59ecb2SHans Petter Selasky * setting only, and all belonging endpoints. 10588d59ecb2SHans Petter Selasky */ 10598d59ecb2SHans Petter Selasky for (ui = dev->linux_iface_start; 10608d59ecb2SHans Petter Selasky ui != dev->linux_iface_end; 10618d59ecb2SHans Petter Selasky ui++) { 10628d59ecb2SHans Petter Selasky uhi = ui->cur_altsetting; 10638d59ecb2SHans Petter Selasky if (uhi) { 10648d59ecb2SHans Petter Selasky uhe_end = uhi->endpoint + uhi->desc.bNumEndpoints; 10658d59ecb2SHans Petter Selasky for (uhe = uhi->endpoint; 10668d59ecb2SHans Petter Selasky uhe != uhe_end; 10678d59ecb2SHans Petter Selasky uhe++) { 10688d59ecb2SHans Petter Selasky ea = uhe->desc.bEndpointAddress; 10698d59ecb2SHans Petter Selasky at = uhe->desc.bmAttributes; 10708d59ecb2SHans Petter Selasky 10718d59ecb2SHans Petter Selasky if (((ea & mask) == ep) && 10728d59ecb2SHans Petter Selasky ((at & UE_XFERTYPE) == type)) { 10738d59ecb2SHans Petter Selasky return (uhe); 10748d59ecb2SHans Petter Selasky } 10758d59ecb2SHans Petter Selasky } 10768d59ecb2SHans Petter Selasky } 10778d59ecb2SHans Petter Selasky } 10788d59ecb2SHans Petter Selasky 10798d59ecb2SHans Petter Selasky if ((type == UE_CONTROL) && ((ep & UE_ADDR) == 0)) { 10808d59ecb2SHans Petter Selasky return (&dev->ep0); 10818d59ecb2SHans Petter Selasky } 10828d59ecb2SHans Petter Selasky return (NULL); 10838d59ecb2SHans Petter Selasky } 10848d59ecb2SHans Petter Selasky 10858d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 10868d59ecb2SHans Petter Selasky * usb_altnum_to_altsetting 10878d59ecb2SHans Petter Selasky * 10888d59ecb2SHans Petter Selasky * The following function returns a pointer to an alternate setting by 10898d59ecb2SHans Petter Selasky * index given a "usb_interface" pointer. If the alternate setting by 10908d59ecb2SHans Petter Selasky * index does not exist, NULL is returned. And alternate setting is a 10918d59ecb2SHans Petter Selasky * variant of an interface, but usually with slightly different 10928d59ecb2SHans Petter Selasky * characteristics. 10938d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 10948d59ecb2SHans Petter Selasky struct usb_host_interface * 10958d59ecb2SHans Petter Selasky usb_altnum_to_altsetting(const struct usb_interface *intf, uint8_t alt_index) 10968d59ecb2SHans Petter Selasky { 10978d59ecb2SHans Petter Selasky if (alt_index >= intf->num_altsetting) { 10988d59ecb2SHans Petter Selasky return (NULL); 10998d59ecb2SHans Petter Selasky } 11008d59ecb2SHans Petter Selasky return (intf->altsetting + alt_index); 11018d59ecb2SHans Petter Selasky } 11028d59ecb2SHans Petter Selasky 11038d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11048d59ecb2SHans Petter Selasky * usb_ifnum_to_if 11058d59ecb2SHans Petter Selasky * 11068d59ecb2SHans Petter Selasky * The following function searches up an USB interface by 11078d59ecb2SHans Petter Selasky * "bInterfaceNumber". If no match is found, NULL is returned. 11088d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11098d59ecb2SHans Petter Selasky struct usb_interface * 11108d59ecb2SHans Petter Selasky usb_ifnum_to_if(struct usb_device *dev, uint8_t iface_no) 11118d59ecb2SHans Petter Selasky { 11128d59ecb2SHans Petter Selasky struct usb_interface *p_ui; 11138d59ecb2SHans Petter Selasky 11148d59ecb2SHans Petter Selasky for (p_ui = dev->linux_iface_start; 11158d59ecb2SHans Petter Selasky p_ui != dev->linux_iface_end; 11168d59ecb2SHans Petter Selasky p_ui++) { 11178d59ecb2SHans Petter Selasky if ((p_ui->num_altsetting > 0) && 11188d59ecb2SHans Petter Selasky (p_ui->altsetting->desc.bInterfaceNumber == iface_no)) { 11198d59ecb2SHans Petter Selasky return (p_ui); 11208d59ecb2SHans Petter Selasky } 11218d59ecb2SHans Petter Selasky } 11228d59ecb2SHans Petter Selasky return (NULL); 11238d59ecb2SHans Petter Selasky } 11248d59ecb2SHans Petter Selasky 11258d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11268d59ecb2SHans Petter Selasky * usb_buffer_alloc 11278d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11288d59ecb2SHans Petter Selasky void * 11298d59ecb2SHans Petter Selasky usb_buffer_alloc(struct usb_device *dev, usb_size_t size, uint16_t mem_flags, uint8_t *dma_addr) 11308d59ecb2SHans Petter Selasky { 11318d59ecb2SHans Petter Selasky return (malloc(size, M_USBDEV, M_WAITOK | M_ZERO)); 11328d59ecb2SHans Petter Selasky } 11338d59ecb2SHans Petter Selasky 11348d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11358d59ecb2SHans Petter Selasky * usbd_get_intfdata 11368d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11378d59ecb2SHans Petter Selasky void * 11388d59ecb2SHans Petter Selasky usbd_get_intfdata(struct usb_interface *intf) 11398d59ecb2SHans Petter Selasky { 11408d59ecb2SHans Petter Selasky return (intf->bsd_priv_sc); 11418d59ecb2SHans Petter Selasky } 11428d59ecb2SHans Petter Selasky 11438d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11448d59ecb2SHans Petter Selasky * usb_linux_register 11458d59ecb2SHans Petter Selasky * 11468d59ecb2SHans Petter Selasky * The following function is used by the "USB_DRIVER_EXPORT()" macro, 11478d59ecb2SHans Petter Selasky * and is used to register a Linux USB driver, so that its 11488d59ecb2SHans Petter Selasky * "usb_device_id" structures gets searched a probe time. This 11498d59ecb2SHans Petter Selasky * function is not part of the Linux USB API, and is for internal use 11508d59ecb2SHans Petter Selasky * only. 11518d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11528d59ecb2SHans Petter Selasky void 11538d59ecb2SHans Petter Selasky usb_linux_register(void *arg) 11548d59ecb2SHans Petter Selasky { 11558d59ecb2SHans Petter Selasky struct usb_driver *drv = arg; 11568d59ecb2SHans Petter Selasky 11578d59ecb2SHans Petter Selasky mtx_lock(&Giant); 11588d59ecb2SHans Petter Selasky LIST_INSERT_HEAD(&usb_linux_driver_list, drv, linux_driver_list); 11598d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 11608d59ecb2SHans Petter Selasky 11618d59ecb2SHans Petter Selasky usb_needs_explore_all(); 11628d59ecb2SHans Petter Selasky } 11638d59ecb2SHans Petter Selasky 11648d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11658d59ecb2SHans Petter Selasky * usb_linux_deregister 11668d59ecb2SHans Petter Selasky * 11678d59ecb2SHans Petter Selasky * The following function is used by the "USB_DRIVER_EXPORT()" macro, 11688d59ecb2SHans Petter Selasky * and is used to deregister a Linux USB driver. This function will 11698d59ecb2SHans Petter Selasky * ensure that all driver instances belonging to the Linux USB device 11708d59ecb2SHans Petter Selasky * driver in question, gets detached before the driver is 11718d59ecb2SHans Petter Selasky * unloaded. This function is not part of the Linux USB API, and is 11728d59ecb2SHans Petter Selasky * for internal use only. 11738d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11748d59ecb2SHans Petter Selasky void 11758d59ecb2SHans Petter Selasky usb_linux_deregister(void *arg) 11768d59ecb2SHans Petter Selasky { 11778d59ecb2SHans Petter Selasky struct usb_driver *drv = arg; 11788d59ecb2SHans Petter Selasky struct usb_linux_softc *sc; 11798d59ecb2SHans Petter Selasky 11808d59ecb2SHans Petter Selasky repeat: 11818d59ecb2SHans Petter Selasky mtx_lock(&Giant); 11828d59ecb2SHans Petter Selasky LIST_FOREACH(sc, &usb_linux_attached_list, sc_attached_list) { 11838d59ecb2SHans Petter Selasky if (sc->sc_udrv == drv) { 11848d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 11858d59ecb2SHans Petter Selasky device_detach(sc->sc_fbsd_dev); 11868d59ecb2SHans Petter Selasky goto repeat; 11878d59ecb2SHans Petter Selasky } 11888d59ecb2SHans Petter Selasky } 11898d59ecb2SHans Petter Selasky LIST_REMOVE(drv, linux_driver_list); 11908d59ecb2SHans Petter Selasky mtx_unlock(&Giant); 11918d59ecb2SHans Petter Selasky } 11928d59ecb2SHans Petter Selasky 11938d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 11948d59ecb2SHans Petter Selasky * usb_linux_free_device 11958d59ecb2SHans Petter Selasky * 11968d59ecb2SHans Petter Selasky * The following function is only used by the FreeBSD USB stack, to 11978d59ecb2SHans Petter Selasky * cleanup and free memory after that a Linux USB device was attached. 11988d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 11998d59ecb2SHans Petter Selasky void 12008d59ecb2SHans Petter Selasky usb_linux_free_device(struct usb_device *dev) 12018d59ecb2SHans Petter Selasky { 12028d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe; 12038d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe_end; 12048d59ecb2SHans Petter Selasky int err; 12058d59ecb2SHans Petter Selasky 12068d59ecb2SHans Petter Selasky uhe = dev->linux_endpoint_start; 12078d59ecb2SHans Petter Selasky uhe_end = dev->linux_endpoint_end; 12088d59ecb2SHans Petter Selasky while (uhe != uhe_end) { 12098d59ecb2SHans Petter Selasky err = usb_setup_endpoint(dev, uhe, 0); 12108d59ecb2SHans Petter Selasky uhe++; 12118d59ecb2SHans Petter Selasky } 12128d59ecb2SHans Petter Selasky err = usb_setup_endpoint(dev, &dev->ep0, 0); 12138d59ecb2SHans Petter Selasky free(dev->linux_endpoint_start, M_USBDEV); 12148d59ecb2SHans Petter Selasky } 12158d59ecb2SHans Petter Selasky 12168d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12178d59ecb2SHans Petter Selasky * usb_buffer_free 12188d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12198d59ecb2SHans Petter Selasky void 12208d59ecb2SHans Petter Selasky usb_buffer_free(struct usb_device *dev, usb_size_t size, 12218d59ecb2SHans Petter Selasky void *addr, uint8_t dma_addr) 12228d59ecb2SHans Petter Selasky { 12238d59ecb2SHans Petter Selasky free(addr, M_USBDEV); 12248d59ecb2SHans Petter Selasky } 12258d59ecb2SHans Petter Selasky 12268d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12278d59ecb2SHans Petter Selasky * usb_free_urb 12288d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12298d59ecb2SHans Petter Selasky void 12308d59ecb2SHans Petter Selasky usb_free_urb(struct urb *urb) 12318d59ecb2SHans Petter Selasky { 12328d59ecb2SHans Petter Selasky if (urb == NULL) { 12338d59ecb2SHans Petter Selasky return; 12348d59ecb2SHans Petter Selasky } 12358d59ecb2SHans Petter Selasky /* make sure that the current URB is not active */ 12368d59ecb2SHans Petter Selasky usb_kill_urb(urb); 12378d59ecb2SHans Petter Selasky 12388d59ecb2SHans Petter Selasky /* destroy condition variable */ 12398d59ecb2SHans Petter Selasky cv_destroy(&urb->cv_wait); 12408d59ecb2SHans Petter Selasky 12418d59ecb2SHans Petter Selasky /* just free it */ 12428d59ecb2SHans Petter Selasky free(urb, M_USBDEV); 12438d59ecb2SHans Petter Selasky } 12448d59ecb2SHans Petter Selasky 12458d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12468d59ecb2SHans Petter Selasky * usb_init_urb 12478d59ecb2SHans Petter Selasky * 12488d59ecb2SHans Petter Selasky * The following function can be used to initialize a custom URB. It 12498d59ecb2SHans Petter Selasky * is not recommended to use this function. Use "usb_alloc_urb()" 12508d59ecb2SHans Petter Selasky * instead. 12518d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12528d59ecb2SHans Petter Selasky void 12538d59ecb2SHans Petter Selasky usb_init_urb(struct urb *urb) 12548d59ecb2SHans Petter Selasky { 12558d59ecb2SHans Petter Selasky if (urb == NULL) { 12568d59ecb2SHans Petter Selasky return; 12578d59ecb2SHans Petter Selasky } 12588d59ecb2SHans Petter Selasky memset(urb, 0, sizeof(*urb)); 12598d59ecb2SHans Petter Selasky } 12608d59ecb2SHans Petter Selasky 12618d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12628d59ecb2SHans Petter Selasky * usb_kill_urb 12638d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12648d59ecb2SHans Petter Selasky void 12658d59ecb2SHans Petter Selasky usb_kill_urb(struct urb *urb) 12668d59ecb2SHans Petter Selasky { 12678d59ecb2SHans Petter Selasky usb_unlink_urb_sub(urb, 1); 12688d59ecb2SHans Petter Selasky } 12698d59ecb2SHans Petter Selasky 12708d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12718d59ecb2SHans Petter Selasky * usb_set_intfdata 12728d59ecb2SHans Petter Selasky * 12738d59ecb2SHans Petter Selasky * The following function sets the per Linux USB interface private 12748d59ecb2SHans Petter Selasky * data pointer. It is used by most Linux USB device drivers. 12758d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12768d59ecb2SHans Petter Selasky void 12778d59ecb2SHans Petter Selasky usb_set_intfdata(struct usb_interface *intf, void *data) 12788d59ecb2SHans Petter Selasky { 12798d59ecb2SHans Petter Selasky intf->bsd_priv_sc = data; 12808d59ecb2SHans Petter Selasky } 12818d59ecb2SHans Petter Selasky 12828d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 12838d59ecb2SHans Petter Selasky * usb_linux_cleanup_interface 12848d59ecb2SHans Petter Selasky * 12858d59ecb2SHans Petter Selasky * The following function will release all FreeBSD USB transfers 12868d59ecb2SHans Petter Selasky * associated with a Linux USB interface. It is for internal use only. 12878d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 12888d59ecb2SHans Petter Selasky static void 12898d59ecb2SHans Petter Selasky usb_linux_cleanup_interface(struct usb_device *dev, struct usb_interface *iface) 12908d59ecb2SHans Petter Selasky { 12918d59ecb2SHans Petter Selasky struct usb_host_interface *uhi; 12928d59ecb2SHans Petter Selasky struct usb_host_interface *uhi_end; 12938d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe; 12948d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe_end; 12958d59ecb2SHans Petter Selasky int err; 12968d59ecb2SHans Petter Selasky 12978d59ecb2SHans Petter Selasky uhi = iface->altsetting; 12988d59ecb2SHans Petter Selasky uhi_end = iface->altsetting + iface->num_altsetting; 12998d59ecb2SHans Petter Selasky while (uhi != uhi_end) { 13008d59ecb2SHans Petter Selasky uhe = uhi->endpoint; 13018d59ecb2SHans Petter Selasky uhe_end = uhi->endpoint + uhi->desc.bNumEndpoints; 13028d59ecb2SHans Petter Selasky while (uhe != uhe_end) { 13038d59ecb2SHans Petter Selasky err = usb_setup_endpoint(dev, uhe, 0); 13048d59ecb2SHans Petter Selasky uhe++; 13058d59ecb2SHans Petter Selasky } 13068d59ecb2SHans Petter Selasky uhi++; 13078d59ecb2SHans Petter Selasky } 13088d59ecb2SHans Petter Selasky } 13098d59ecb2SHans Petter Selasky 13108d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 13118d59ecb2SHans Petter Selasky * usb_linux_wait_complete 13128d59ecb2SHans Petter Selasky * 13138d59ecb2SHans Petter Selasky * The following function is used by "usb_start_wait_urb()" to wake it 13148d59ecb2SHans Petter Selasky * up, when an USB transfer has finished. 13158d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 13168d59ecb2SHans Petter Selasky static void 13178d59ecb2SHans Petter Selasky usb_linux_wait_complete(struct urb *urb) 13188d59ecb2SHans Petter Selasky { 13198d59ecb2SHans Petter Selasky if (urb->transfer_flags & URB_IS_SLEEPING) { 13208d59ecb2SHans Petter Selasky cv_signal(&urb->cv_wait); 13218d59ecb2SHans Petter Selasky } 13228d59ecb2SHans Petter Selasky urb->transfer_flags &= ~URB_WAIT_WAKEUP; 13238d59ecb2SHans Petter Selasky } 13248d59ecb2SHans Petter Selasky 13258d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 13268d59ecb2SHans Petter Selasky * usb_linux_complete 13278d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 13288d59ecb2SHans Petter Selasky static void 13298d59ecb2SHans Petter Selasky usb_linux_complete(struct usb_xfer *xfer) 13308d59ecb2SHans Petter Selasky { 13318d59ecb2SHans Petter Selasky struct urb *urb; 13328d59ecb2SHans Petter Selasky 13338d59ecb2SHans Petter Selasky urb = usbd_xfer_get_priv(xfer); 13348d59ecb2SHans Petter Selasky usbd_xfer_set_priv(xfer, NULL); 13358d59ecb2SHans Petter Selasky if (urb->complete) { 13368d59ecb2SHans Petter Selasky (urb->complete) (urb); 13378d59ecb2SHans Petter Selasky } 13388d59ecb2SHans Petter Selasky } 13398d59ecb2SHans Petter Selasky 13408d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 13418d59ecb2SHans Petter Selasky * usb_linux_isoc_callback 13428d59ecb2SHans Petter Selasky * 13438d59ecb2SHans Petter Selasky * The following is the FreeBSD isochronous USB callback. Isochronous 13448d59ecb2SHans Petter Selasky * frames are USB packets transferred 1000 or 8000 times per second, 13458d59ecb2SHans Petter Selasky * depending on whether a full- or high- speed USB transfer is 13468d59ecb2SHans Petter Selasky * used. 13478d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 13488d59ecb2SHans Petter Selasky static void 13498d59ecb2SHans Petter Selasky usb_linux_isoc_callback(struct usb_xfer *xfer, usb_error_t error) 13508d59ecb2SHans Petter Selasky { 13518d59ecb2SHans Petter Selasky usb_frlength_t max_frame = xfer->max_frame_size; 13528d59ecb2SHans Petter Selasky usb_frlength_t offset; 13538d59ecb2SHans Petter Selasky usb_frcount_t x; 13548d59ecb2SHans Petter Selasky struct urb *urb = usbd_xfer_get_priv(xfer); 13558d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe = usbd_xfer_softc(xfer); 13568d59ecb2SHans Petter Selasky struct usb_iso_packet_descriptor *uipd; 13578d59ecb2SHans Petter Selasky 13588d59ecb2SHans Petter Selasky DPRINTF("\n"); 13598d59ecb2SHans Petter Selasky 13608d59ecb2SHans Petter Selasky switch (USB_GET_STATE(xfer)) { 13618d59ecb2SHans Petter Selasky case USB_ST_TRANSFERRED: 13628d59ecb2SHans Petter Selasky 13638d59ecb2SHans Petter Selasky if (urb->bsd_isread) { 13648d59ecb2SHans Petter Selasky 13658d59ecb2SHans Petter Selasky /* copy in data with regard to the URB */ 13668d59ecb2SHans Petter Selasky 13678d59ecb2SHans Petter Selasky offset = 0; 13688d59ecb2SHans Petter Selasky 13698d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 13708d59ecb2SHans Petter Selasky uipd = urb->iso_frame_desc + x; 13718d59ecb2SHans Petter Selasky if (uipd->length > xfer->frlengths[x]) { 13728d59ecb2SHans Petter Selasky if (urb->transfer_flags & URB_SHORT_NOT_OK) { 13738d59ecb2SHans Petter Selasky /* XXX should be EREMOTEIO */ 13748d59ecb2SHans Petter Selasky uipd->status = -EPIPE; 13758d59ecb2SHans Petter Selasky } else { 13768d59ecb2SHans Petter Selasky uipd->status = 0; 13778d59ecb2SHans Petter Selasky } 13788d59ecb2SHans Petter Selasky } else { 13798d59ecb2SHans Petter Selasky uipd->status = 0; 13808d59ecb2SHans Petter Selasky } 13818d59ecb2SHans Petter Selasky uipd->actual_length = xfer->frlengths[x]; 13828d59ecb2SHans Petter Selasky if (!xfer->flags.ext_buffer) { 13838d59ecb2SHans Petter Selasky usbd_copy_out(xfer->frbuffers, offset, 13848d59ecb2SHans Petter Selasky USB_ADD_BYTES(urb->transfer_buffer, 13858d59ecb2SHans Petter Selasky uipd->offset), uipd->actual_length); 13868d59ecb2SHans Petter Selasky } 13878d59ecb2SHans Petter Selasky offset += max_frame; 13888d59ecb2SHans Petter Selasky } 13898d59ecb2SHans Petter Selasky } else { 13908d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 13918d59ecb2SHans Petter Selasky uipd = urb->iso_frame_desc + x; 13928d59ecb2SHans Petter Selasky uipd->actual_length = xfer->frlengths[x]; 13938d59ecb2SHans Petter Selasky uipd->status = 0; 13948d59ecb2SHans Petter Selasky } 13958d59ecb2SHans Petter Selasky } 13968d59ecb2SHans Petter Selasky 13978d59ecb2SHans Petter Selasky urb->actual_length = xfer->actlen; 13988d59ecb2SHans Petter Selasky 13998d59ecb2SHans Petter Selasky /* check for short transfer */ 14008d59ecb2SHans Petter Selasky if (xfer->actlen < xfer->sumlen) { 14018d59ecb2SHans Petter Selasky /* short transfer */ 14028d59ecb2SHans Petter Selasky if (urb->transfer_flags & URB_SHORT_NOT_OK) { 14038d59ecb2SHans Petter Selasky /* XXX should be EREMOTEIO */ 14048d59ecb2SHans Petter Selasky urb->status = -EPIPE; 14058d59ecb2SHans Petter Selasky } else { 14068d59ecb2SHans Petter Selasky urb->status = 0; 14078d59ecb2SHans Petter Selasky } 14088d59ecb2SHans Petter Selasky } else { 14098d59ecb2SHans Petter Selasky /* success */ 14108d59ecb2SHans Petter Selasky urb->status = 0; 14118d59ecb2SHans Petter Selasky } 14128d59ecb2SHans Petter Selasky 14138d59ecb2SHans Petter Selasky /* call callback */ 14148d59ecb2SHans Petter Selasky usb_linux_complete(xfer); 14158d59ecb2SHans Petter Selasky 14168d59ecb2SHans Petter Selasky case USB_ST_SETUP: 14178d59ecb2SHans Petter Selasky tr_setup: 14188d59ecb2SHans Petter Selasky 14198d59ecb2SHans Petter Selasky if (xfer->priv_fifo == NULL) { 14208d59ecb2SHans Petter Selasky 14218d59ecb2SHans Petter Selasky /* get next transfer */ 14228d59ecb2SHans Petter Selasky urb = TAILQ_FIRST(&uhe->bsd_urb_list); 14238d59ecb2SHans Petter Selasky if (urb == NULL) { 14248d59ecb2SHans Petter Selasky /* nothing to do */ 14258d59ecb2SHans Petter Selasky return; 14268d59ecb2SHans Petter Selasky } 14278d59ecb2SHans Petter Selasky TAILQ_REMOVE(&uhe->bsd_urb_list, urb, bsd_urb_list); 14288d59ecb2SHans Petter Selasky urb->bsd_urb_list.tqe_prev = NULL; 14298d59ecb2SHans Petter Selasky 14308d59ecb2SHans Petter Selasky x = xfer->max_frame_count; 14318d59ecb2SHans Petter Selasky if (urb->number_of_packets > x) { 14328d59ecb2SHans Petter Selasky /* XXX simply truncate the transfer */ 14338d59ecb2SHans Petter Selasky urb->number_of_packets = x; 14348d59ecb2SHans Petter Selasky } 14358d59ecb2SHans Petter Selasky } else { 14368d59ecb2SHans Petter Selasky DPRINTF("Already got a transfer\n"); 14378d59ecb2SHans Petter Selasky 14388d59ecb2SHans Petter Selasky /* already got a transfer (should not happen) */ 14398d59ecb2SHans Petter Selasky urb = usbd_xfer_get_priv(xfer); 14408d59ecb2SHans Petter Selasky } 14418d59ecb2SHans Petter Selasky 14428d59ecb2SHans Petter Selasky urb->bsd_isread = (uhe->desc.bEndpointAddress & UE_DIR_IN) ? 1 : 0; 14438d59ecb2SHans Petter Selasky 14448d59ecb2SHans Petter Selasky if (xfer->flags.ext_buffer) { 14458d59ecb2SHans Petter Selasky /* set virtual address to load */ 14468d59ecb2SHans Petter Selasky usbd_xfer_set_frame_data(xfer, 0, urb->transfer_buffer, 0); 14478d59ecb2SHans Petter Selasky } 14488d59ecb2SHans Petter Selasky if (!(urb->bsd_isread)) { 14498d59ecb2SHans Petter Selasky 14508d59ecb2SHans Petter Selasky /* copy out data with regard to the URB */ 14518d59ecb2SHans Petter Selasky 14528d59ecb2SHans Petter Selasky offset = 0; 14538d59ecb2SHans Petter Selasky 14548d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 14558d59ecb2SHans Petter Selasky uipd = urb->iso_frame_desc + x; 14568d59ecb2SHans Petter Selasky usbd_xfer_set_frame_len(xfer, x, uipd->length); 14578d59ecb2SHans Petter Selasky if (!xfer->flags.ext_buffer) { 14588d59ecb2SHans Petter Selasky usbd_copy_in(xfer->frbuffers, offset, 14598d59ecb2SHans Petter Selasky USB_ADD_BYTES(urb->transfer_buffer, 14608d59ecb2SHans Petter Selasky uipd->offset), uipd->length); 14618d59ecb2SHans Petter Selasky } 14628d59ecb2SHans Petter Selasky offset += uipd->length; 14638d59ecb2SHans Petter Selasky } 14648d59ecb2SHans Petter Selasky } else { 14658d59ecb2SHans Petter Selasky 14668d59ecb2SHans Petter Selasky /* 14678d59ecb2SHans Petter Selasky * compute the transfer length into the "offset" 14688d59ecb2SHans Petter Selasky * variable 14698d59ecb2SHans Petter Selasky */ 14708d59ecb2SHans Petter Selasky 14718d59ecb2SHans Petter Selasky offset = urb->number_of_packets * max_frame; 14728d59ecb2SHans Petter Selasky 14738d59ecb2SHans Petter Selasky /* setup "frlengths" array */ 14748d59ecb2SHans Petter Selasky 14758d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 14768d59ecb2SHans Petter Selasky uipd = urb->iso_frame_desc + x; 14778d59ecb2SHans Petter Selasky usbd_xfer_set_frame_len(xfer, x, max_frame); 14788d59ecb2SHans Petter Selasky } 14798d59ecb2SHans Petter Selasky } 14808d59ecb2SHans Petter Selasky usbd_xfer_set_priv(xfer, urb); 14818d59ecb2SHans Petter Selasky xfer->flags.force_short_xfer = 0; 14828d59ecb2SHans Petter Selasky xfer->timeout = urb->timeout; 14838d59ecb2SHans Petter Selasky xfer->nframes = urb->number_of_packets; 14848d59ecb2SHans Petter Selasky usbd_transfer_submit(xfer); 14858d59ecb2SHans Petter Selasky return; 14868d59ecb2SHans Petter Selasky 14878d59ecb2SHans Petter Selasky default: /* Error */ 14888d59ecb2SHans Petter Selasky if (xfer->error == USB_ERR_CANCELLED) { 14898d59ecb2SHans Petter Selasky urb->status = -ECONNRESET; 14908d59ecb2SHans Petter Selasky } else { 14918d59ecb2SHans Petter Selasky urb->status = -EPIPE; /* stalled */ 14928d59ecb2SHans Petter Selasky } 14938d59ecb2SHans Petter Selasky 14948d59ecb2SHans Petter Selasky /* Set zero for "actual_length" */ 14958d59ecb2SHans Petter Selasky urb->actual_length = 0; 14968d59ecb2SHans Petter Selasky 14978d59ecb2SHans Petter Selasky /* Set zero for "actual_length" */ 14988d59ecb2SHans Petter Selasky for (x = 0; x < urb->number_of_packets; x++) { 14998d59ecb2SHans Petter Selasky urb->iso_frame_desc[x].actual_length = 0; 15008d59ecb2SHans Petter Selasky urb->iso_frame_desc[x].status = urb->status; 15018d59ecb2SHans Petter Selasky } 15028d59ecb2SHans Petter Selasky 15038d59ecb2SHans Petter Selasky /* call callback */ 15048d59ecb2SHans Petter Selasky usb_linux_complete(xfer); 15058d59ecb2SHans Petter Selasky 15068d59ecb2SHans Petter Selasky if (xfer->error == USB_ERR_CANCELLED) { 15078d59ecb2SHans Petter Selasky /* we need to return in this case */ 15088d59ecb2SHans Petter Selasky return; 15098d59ecb2SHans Petter Selasky } 15108d59ecb2SHans Petter Selasky goto tr_setup; 15118d59ecb2SHans Petter Selasky 15128d59ecb2SHans Petter Selasky } 15138d59ecb2SHans Petter Selasky } 15148d59ecb2SHans Petter Selasky 15158d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 15168d59ecb2SHans Petter Selasky * usb_linux_non_isoc_callback 15178d59ecb2SHans Petter Selasky * 15188d59ecb2SHans Petter Selasky * The following is the FreeBSD BULK/INTERRUPT and CONTROL USB 15198d59ecb2SHans Petter Selasky * callback. It dequeues Linux USB stack compatible URB's, transforms 15208d59ecb2SHans Petter Selasky * the URB fields into a FreeBSD USB transfer, and defragments the USB 15218d59ecb2SHans Petter Selasky * transfer as required. When the transfer is complete the "complete" 15228d59ecb2SHans Petter Selasky * callback is called. 15238d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 15248d59ecb2SHans Petter Selasky static void 15258d59ecb2SHans Petter Selasky usb_linux_non_isoc_callback(struct usb_xfer *xfer, usb_error_t error) 15268d59ecb2SHans Petter Selasky { 15278d59ecb2SHans Petter Selasky enum { 15288d59ecb2SHans Petter Selasky REQ_SIZE = sizeof(struct usb_device_request) 15298d59ecb2SHans Petter Selasky }; 15308d59ecb2SHans Petter Selasky struct urb *urb = usbd_xfer_get_priv(xfer); 15318d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe = usbd_xfer_softc(xfer); 15328d59ecb2SHans Petter Selasky uint8_t *ptr; 15338d59ecb2SHans Petter Selasky usb_frlength_t max_bulk = usbd_xfer_max_len(xfer); 15348d59ecb2SHans Petter Selasky uint8_t data_frame = xfer->flags_int.control_xfr ? 1 : 0; 15358d59ecb2SHans Petter Selasky 15368d59ecb2SHans Petter Selasky DPRINTF("\n"); 15378d59ecb2SHans Petter Selasky 15388d59ecb2SHans Petter Selasky switch (USB_GET_STATE(xfer)) { 15398d59ecb2SHans Petter Selasky case USB_ST_TRANSFERRED: 15408d59ecb2SHans Petter Selasky 15418d59ecb2SHans Petter Selasky if (xfer->flags_int.control_xfr) { 15428d59ecb2SHans Petter Selasky 15438d59ecb2SHans Petter Selasky /* don't transfer the setup packet again: */ 15448d59ecb2SHans Petter Selasky 15458d59ecb2SHans Petter Selasky usbd_xfer_set_frame_len(xfer, 0, 0); 15468d59ecb2SHans Petter Selasky } 15478d59ecb2SHans Petter Selasky if (urb->bsd_isread && (!xfer->flags.ext_buffer)) { 15488d59ecb2SHans Petter Selasky /* copy in data with regard to the URB */ 15498d59ecb2SHans Petter Selasky usbd_copy_out(xfer->frbuffers + data_frame, 0, 15508d59ecb2SHans Petter Selasky urb->bsd_data_ptr, xfer->frlengths[data_frame]); 15518d59ecb2SHans Petter Selasky } 15528d59ecb2SHans Petter Selasky urb->bsd_length_rem -= xfer->frlengths[data_frame]; 15538d59ecb2SHans Petter Selasky urb->bsd_data_ptr += xfer->frlengths[data_frame]; 15548d59ecb2SHans Petter Selasky urb->actual_length += xfer->frlengths[data_frame]; 15558d59ecb2SHans Petter Selasky 15568d59ecb2SHans Petter Selasky /* check for short transfer */ 15578d59ecb2SHans Petter Selasky if (xfer->actlen < xfer->sumlen) { 15588d59ecb2SHans Petter Selasky urb->bsd_length_rem = 0; 15598d59ecb2SHans Petter Selasky 15608d59ecb2SHans Petter Selasky /* short transfer */ 15618d59ecb2SHans Petter Selasky if (urb->transfer_flags & URB_SHORT_NOT_OK) { 15628d59ecb2SHans Petter Selasky urb->status = -EPIPE; 15638d59ecb2SHans Petter Selasky } else { 15648d59ecb2SHans Petter Selasky urb->status = 0; 15658d59ecb2SHans Petter Selasky } 15668d59ecb2SHans Petter Selasky } else { 15678d59ecb2SHans Petter Selasky /* check remainder */ 15688d59ecb2SHans Petter Selasky if (urb->bsd_length_rem > 0) { 15698d59ecb2SHans Petter Selasky goto setup_bulk; 15708d59ecb2SHans Petter Selasky } 15718d59ecb2SHans Petter Selasky /* success */ 15728d59ecb2SHans Petter Selasky urb->status = 0; 15738d59ecb2SHans Petter Selasky } 15748d59ecb2SHans Petter Selasky 15758d59ecb2SHans Petter Selasky /* call callback */ 15768d59ecb2SHans Petter Selasky usb_linux_complete(xfer); 15778d59ecb2SHans Petter Selasky 15788d59ecb2SHans Petter Selasky case USB_ST_SETUP: 15798d59ecb2SHans Petter Selasky tr_setup: 15808d59ecb2SHans Petter Selasky /* get next transfer */ 15818d59ecb2SHans Petter Selasky urb = TAILQ_FIRST(&uhe->bsd_urb_list); 15828d59ecb2SHans Petter Selasky if (urb == NULL) { 15838d59ecb2SHans Petter Selasky /* nothing to do */ 15848d59ecb2SHans Petter Selasky return; 15858d59ecb2SHans Petter Selasky } 15868d59ecb2SHans Petter Selasky TAILQ_REMOVE(&uhe->bsd_urb_list, urb, bsd_urb_list); 15878d59ecb2SHans Petter Selasky urb->bsd_urb_list.tqe_prev = NULL; 15888d59ecb2SHans Petter Selasky 15898d59ecb2SHans Petter Selasky usbd_xfer_set_priv(xfer, urb); 15908d59ecb2SHans Petter Selasky xfer->flags.force_short_xfer = 0; 15918d59ecb2SHans Petter Selasky xfer->timeout = urb->timeout; 15928d59ecb2SHans Petter Selasky 15938d59ecb2SHans Petter Selasky if (xfer->flags_int.control_xfr) { 15948d59ecb2SHans Petter Selasky 15958d59ecb2SHans Petter Selasky /* 15968d59ecb2SHans Petter Selasky * USB control transfers need special handling. 15978d59ecb2SHans Petter Selasky * First copy in the header, then copy in data! 15988d59ecb2SHans Petter Selasky */ 15998d59ecb2SHans Petter Selasky if (!xfer->flags.ext_buffer) { 16008d59ecb2SHans Petter Selasky usbd_copy_in(xfer->frbuffers, 0, 16018d59ecb2SHans Petter Selasky urb->setup_packet, REQ_SIZE); 16028d59ecb2SHans Petter Selasky usbd_xfer_set_frame_len(xfer, 0, REQ_SIZE); 16038d59ecb2SHans Petter Selasky } else { 16048d59ecb2SHans Petter Selasky /* set virtual address to load */ 16058d59ecb2SHans Petter Selasky usbd_xfer_set_frame_data(xfer, 0, 16068d59ecb2SHans Petter Selasky urb->setup_packet, REQ_SIZE); 16078d59ecb2SHans Petter Selasky } 16088d59ecb2SHans Petter Selasky 16098d59ecb2SHans Petter Selasky ptr = urb->setup_packet; 16108d59ecb2SHans Petter Selasky 16118d59ecb2SHans Petter Selasky /* setup data transfer direction and length */ 16128d59ecb2SHans Petter Selasky urb->bsd_isread = (ptr[0] & UT_READ) ? 1 : 0; 16138d59ecb2SHans Petter Selasky urb->bsd_length_rem = ptr[6] | (ptr[7] << 8); 16148d59ecb2SHans Petter Selasky 16158d59ecb2SHans Petter Selasky } else { 16168d59ecb2SHans Petter Selasky 16178d59ecb2SHans Petter Selasky /* setup data transfer direction */ 16188d59ecb2SHans Petter Selasky 16198d59ecb2SHans Petter Selasky urb->bsd_length_rem = urb->transfer_buffer_length; 16208d59ecb2SHans Petter Selasky urb->bsd_isread = (uhe->desc.bEndpointAddress & 16218d59ecb2SHans Petter Selasky UE_DIR_IN) ? 1 : 0; 16228d59ecb2SHans Petter Selasky } 16238d59ecb2SHans Petter Selasky 16248d59ecb2SHans Petter Selasky urb->bsd_data_ptr = urb->transfer_buffer; 16258d59ecb2SHans Petter Selasky urb->actual_length = 0; 16268d59ecb2SHans Petter Selasky 16278d59ecb2SHans Petter Selasky setup_bulk: 16288d59ecb2SHans Petter Selasky if (max_bulk > urb->bsd_length_rem) { 16298d59ecb2SHans Petter Selasky max_bulk = urb->bsd_length_rem; 16308d59ecb2SHans Petter Selasky } 16318d59ecb2SHans Petter Selasky /* check if we need to force a short transfer */ 16328d59ecb2SHans Petter Selasky 16338d59ecb2SHans Petter Selasky if ((max_bulk == urb->bsd_length_rem) && 16348d59ecb2SHans Petter Selasky (urb->transfer_flags & URB_ZERO_PACKET) && 16358d59ecb2SHans Petter Selasky (!xfer->flags_int.control_xfr)) { 16368d59ecb2SHans Petter Selasky xfer->flags.force_short_xfer = 1; 16378d59ecb2SHans Petter Selasky } 16388d59ecb2SHans Petter Selasky /* check if we need to copy in data */ 16398d59ecb2SHans Petter Selasky 16408d59ecb2SHans Petter Selasky if (xfer->flags.ext_buffer) { 16418d59ecb2SHans Petter Selasky /* set virtual address to load */ 16428d59ecb2SHans Petter Selasky usbd_xfer_set_frame_data(xfer, data_frame, 16438d59ecb2SHans Petter Selasky urb->bsd_data_ptr, max_bulk); 16448d59ecb2SHans Petter Selasky } else if (!urb->bsd_isread) { 16458d59ecb2SHans Petter Selasky /* copy out data with regard to the URB */ 16468d59ecb2SHans Petter Selasky usbd_copy_in(xfer->frbuffers + data_frame, 0, 16478d59ecb2SHans Petter Selasky urb->bsd_data_ptr, max_bulk); 16488d59ecb2SHans Petter Selasky usbd_xfer_set_frame_len(xfer, data_frame, max_bulk); 16498d59ecb2SHans Petter Selasky } 16508d59ecb2SHans Petter Selasky if (xfer->flags_int.control_xfr) { 16518d59ecb2SHans Petter Selasky if (max_bulk > 0) { 16528d59ecb2SHans Petter Selasky xfer->nframes = 2; 16538d59ecb2SHans Petter Selasky } else { 16548d59ecb2SHans Petter Selasky xfer->nframes = 1; 16558d59ecb2SHans Petter Selasky } 16568d59ecb2SHans Petter Selasky } else { 16578d59ecb2SHans Petter Selasky xfer->nframes = 1; 16588d59ecb2SHans Petter Selasky } 16598d59ecb2SHans Petter Selasky usbd_transfer_submit(xfer); 16608d59ecb2SHans Petter Selasky return; 16618d59ecb2SHans Petter Selasky 16628d59ecb2SHans Petter Selasky default: 16638d59ecb2SHans Petter Selasky if (xfer->error == USB_ERR_CANCELLED) { 16648d59ecb2SHans Petter Selasky urb->status = -ECONNRESET; 16658d59ecb2SHans Petter Selasky } else { 16668d59ecb2SHans Petter Selasky urb->status = -EPIPE; 16678d59ecb2SHans Petter Selasky } 16688d59ecb2SHans Petter Selasky 16698d59ecb2SHans Petter Selasky /* Set zero for "actual_length" */ 16708d59ecb2SHans Petter Selasky urb->actual_length = 0; 16718d59ecb2SHans Petter Selasky 16728d59ecb2SHans Petter Selasky /* call callback */ 16738d59ecb2SHans Petter Selasky usb_linux_complete(xfer); 16748d59ecb2SHans Petter Selasky 16758d59ecb2SHans Petter Selasky if (xfer->error == USB_ERR_CANCELLED) { 16768d59ecb2SHans Petter Selasky /* we need to return in this case */ 16778d59ecb2SHans Petter Selasky return; 16788d59ecb2SHans Petter Selasky } 16798d59ecb2SHans Petter Selasky goto tr_setup; 16808d59ecb2SHans Petter Selasky } 16818d59ecb2SHans Petter Selasky } 16828d59ecb2SHans Petter Selasky 16838d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 16848d59ecb2SHans Petter Selasky * usb_fill_bulk_urb 16858d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 16868d59ecb2SHans Petter Selasky void 16878d59ecb2SHans Petter Selasky usb_fill_bulk_urb(struct urb *urb, struct usb_device *udev, 16888d59ecb2SHans Petter Selasky struct usb_host_endpoint *uhe, void *buf, 16898d59ecb2SHans Petter Selasky int length, usb_complete_t callback, void *arg) 16908d59ecb2SHans Petter Selasky { 16918d59ecb2SHans Petter Selasky urb->dev = udev; 16928d59ecb2SHans Petter Selasky urb->endpoint = uhe; 16938d59ecb2SHans Petter Selasky urb->transfer_buffer = buf; 16948d59ecb2SHans Petter Selasky urb->transfer_buffer_length = length; 16958d59ecb2SHans Petter Selasky urb->complete = callback; 16968d59ecb2SHans Petter Selasky urb->context = arg; 16978d59ecb2SHans Petter Selasky } 16988d59ecb2SHans Petter Selasky 16998d59ecb2SHans Petter Selasky /*------------------------------------------------------------------------* 17008d59ecb2SHans Petter Selasky * usb_bulk_msg 17018d59ecb2SHans Petter Selasky * 17028d59ecb2SHans Petter Selasky * NOTE: This function can also be used for interrupt endpoints! 17038d59ecb2SHans Petter Selasky * 17048d59ecb2SHans Petter Selasky * Return values: 17058d59ecb2SHans Petter Selasky * 0: Success 17068d59ecb2SHans Petter Selasky * Else: Failure 17078d59ecb2SHans Petter Selasky *------------------------------------------------------------------------*/ 17088d59ecb2SHans Petter Selasky int 17098d59ecb2SHans Petter Selasky usb_bulk_msg(struct usb_device *udev, struct usb_host_endpoint *uhe, 17108d59ecb2SHans Petter Selasky void *data, int len, uint16_t *pactlen, usb_timeout_t timeout) 17118d59ecb2SHans Petter Selasky { 17128d59ecb2SHans Petter Selasky struct urb *urb; 17138d59ecb2SHans Petter Selasky int err; 17148d59ecb2SHans Petter Selasky 17158d59ecb2SHans Petter Selasky if (uhe == NULL) 17168d59ecb2SHans Petter Selasky return (-EINVAL); 17178d59ecb2SHans Petter Selasky if (len < 0) 17188d59ecb2SHans Petter Selasky return (-EINVAL); 17198d59ecb2SHans Petter Selasky 17208d59ecb2SHans Petter Selasky err = usb_setup_endpoint(udev, uhe, 4096 /* bytes */); 17218d59ecb2SHans Petter Selasky if (err) 17228d59ecb2SHans Petter Selasky return (err); 17238d59ecb2SHans Petter Selasky 17248d59ecb2SHans Petter Selasky urb = usb_alloc_urb(0, 0); 17258d59ecb2SHans Petter Selasky if (urb == NULL) 17268d59ecb2SHans Petter Selasky return (-ENOMEM); 17278d59ecb2SHans Petter Selasky 17288d59ecb2SHans Petter Selasky usb_fill_bulk_urb(urb, udev, uhe, data, len, 17298d59ecb2SHans Petter Selasky usb_linux_wait_complete, NULL); 17308d59ecb2SHans Petter Selasky 17318d59ecb2SHans Petter Selasky err = usb_start_wait_urb(urb, timeout, pactlen); 17328d59ecb2SHans Petter Selasky 17338d59ecb2SHans Petter Selasky usb_free_urb(urb); 17348d59ecb2SHans Petter Selasky 17358d59ecb2SHans Petter Selasky return (err); 17368d59ecb2SHans Petter Selasky } 17378d59ecb2SHans Petter Selasky MODULE_DEPEND(linuxkpi, usb, 1, 1, 1); 17388d59ecb2SHans Petter Selasky 17398d59ecb2SHans Petter Selasky static void 17408d59ecb2SHans Petter Selasky usb_linux_init(void *arg) 17418d59ecb2SHans Petter Selasky { 17428d59ecb2SHans Petter Selasky /* register our function */ 17438d59ecb2SHans Petter Selasky usb_linux_free_device_p = &usb_linux_free_device; 17448d59ecb2SHans Petter Selasky } 17458d59ecb2SHans Petter Selasky SYSINIT(usb_linux_init, SI_SUB_LOCK, SI_ORDER_FIRST, usb_linux_init, NULL); 17468d59ecb2SHans Petter Selasky SYSUNINIT(usb_linux_unload, SI_SUB_LOCK, SI_ORDER_ANY, usb_linux_unload, NULL); 1747