/* $NetBSD: usb_subr.c,v 1.29 1999/03/18 12:08:43 augustss Exp $ */ /* $FreeBSD$ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (augustss@carlstedt.se) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #if defined(__NetBSD__) #include #elif defined(__FreeBSD__) #include #include #endif #include #include #include #include #include #include #include #include #if defined(__FreeBSD__) #include #define delay(d) DELAY(d) #endif #ifdef USB_DEBUG #define DPRINTF(x) if (usbdebug) logprintf x #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x extern int usbdebug; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif typedef u_int16_t usb_vendor_id_t; typedef u_int16_t usb_product_id_t; /* * Descriptions of of known vendors and devices ("products"). */ struct usb_knowndev { usb_vendor_id_t vendor; usb_product_id_t product; int flags; char *vendorname, *productname; }; #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ #include static usbd_status usbd_set_config __P((usbd_device_handle, int)); char *usbd_get_string __P((usbd_device_handle, int, char *)); int usbd_getnewaddr __P((usbd_bus_handle bus)); #if defined(__NetBSD__) int usbd_print __P((void *aux, const char *pnp)); int usbd_submatch __P((bdevice *, struct cfdata *cf, void *)); #endif void usbd_free_iface_data __P((usbd_device_handle dev, int ifcno)); void usbd_kill_pipe __P((usbd_pipe_handle)); usbd_status usbd_probe_and_attach __P((bdevice *parent, usbd_device_handle dev, int port, int addr)); usbd_status usbd_get_string_desc(dev, sindex, langid, sdesc) usbd_device_handle dev; int sindex; int langid; usb_string_descriptor_t *sdesc; { usb_device_request_t req; usbd_status r; req.bmRequestType = UT_READ_DEVICE; req.bRequest = UR_GET_DESCRIPTOR; USETW2(req.wValue, UDESC_STRING, sindex); USETW(req.wIndex, langid); USETW(req.wLength, 1); /* only size byte first */ r = usbd_do_request(dev, &req, sdesc); if (r != USBD_NORMAL_COMPLETION) return (r); USETW(req.wLength, sdesc->bLength); /* the whole string */ return (usbd_do_request(dev, &req, sdesc)); } char * usbd_get_string(dev, si, buf) usbd_device_handle dev; int si; char *buf; { int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; usb_string_descriptor_t us; char *s; int i, n; u_int16_t c; usbd_status r; if (si == 0) return (0); if (dev->quirks->uq_flags & UQ_NO_STRINGS) return (0); if (dev->langid == USBD_NOLANG) { /* Set up default language */ r = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); if (r != USBD_NORMAL_COMPLETION || us.bLength < 4) { dev->langid = 0; /* Well, just pick English then */ } else { /* Pick the first language as the default. */ dev->langid = UGETW(us.bString[0]); } } r = usbd_get_string_desc(dev, si, dev->langid, &us); if (r != USBD_NORMAL_COMPLETION) return (0); s = buf; n = us.bLength / 2 - 1; for (i = 0; i < n; i++) { c = UGETW(us.bString[i]); /* Convert from Unicode, handle buggy strings. */ if ((c & 0xff00) == 0) *s++ = c; else if ((c & 0x00ff) == 0 && swap) *s++ = c >> 8; else *s++ = '?'; } *s++ = 0; return buf; } void usbd_devinfo_vp(dev, v, p) usbd_device_handle dev; char *v, *p; { usb_device_descriptor_t *udd = &dev->ddesc; char *vendor, *product; struct usb_knowndev *kdp; vendor = usbd_get_string(dev, udd->iManufacturer, v); product = usbd_get_string(dev, udd->iProduct, p); if (!vendor) { for(kdp = usb_knowndevs; kdp->vendorname != NULL; kdp++) { if (kdp->vendor == UGETW(udd->idVendor) && (kdp->product == UGETW(udd->idProduct) || (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) break; } if (kdp->vendorname == NULL) { vendor = product = NULL; } else { vendor = kdp->vendorname; product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? kdp->productname : NULL; } } if (vendor) strcpy(v, vendor); else sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); if (product) strcpy(p, product); else sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); } int usbd_printBCD(cp, bcd) char *cp; int bcd; { return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); } void usbd_devinfo(dev, showclass, cp) usbd_device_handle dev; int showclass; char *cp; { usb_device_descriptor_t *udd = &dev->ddesc; char vendor[USB_MAX_STRING_LEN]; char product[USB_MAX_STRING_LEN]; int bcdDevice, bcdUSB; usbd_devinfo_vp(dev, vendor, product); cp += sprintf(cp, "%s %s", vendor, product); if (showclass) cp += sprintf(cp, ", class %d/%d", udd->bDeviceClass, udd->bDeviceSubClass); bcdUSB = UGETW(udd->bcdUSB); bcdDevice = UGETW(udd->bcdDevice); cp += sprintf(cp, ", rev "); cp += usbd_printBCD(cp, bcdUSB); *cp++ = '/'; cp += usbd_printBCD(cp, bcdDevice); cp += sprintf(cp, ", addr %d", dev->address); *cp = 0; } /* Delay for a certain number of ms */ void usb_delay_ms(bus, ms) usbd_bus_handle bus; u_int ms; { /* Wait at least two clock ticks so we know the time has passed. */ if (bus->use_polling) delay((ms+1) * 1000); else tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); } /* Delay given a device handle. */ void usbd_delay_ms(dev, ms) usbd_device_handle dev; u_int ms; { usb_delay_ms(dev->bus, ms); } usbd_status usbd_reset_port(dev, port, ps) usbd_device_handle dev; int port; usb_port_status_t *ps; { usb_device_request_t req; usbd_status r; int n; req.bmRequestType = UT_WRITE_CLASS_OTHER; req.bRequest = UR_SET_FEATURE; USETW(req.wValue, UHF_PORT_RESET); USETW(req.wIndex, port); USETW(req.wLength, 0); r = usbd_do_request(dev, &req, 0); DPRINTFN(1,("usbd_reset_port: port %d reset done, %s\n", port, usbd_errstr(r))); if (r != USBD_NORMAL_COMPLETION) return(r); n = 10; do { /* Wait for device to recover from reset. */ usbd_delay_ms(dev, USB_PORT_RESET_DELAY); r = usbd_get_port_status(dev, port, ps); if (r != USBD_NORMAL_COMPLETION) { DPRINTF(("usbd_reset_port: get port %d status failed %s\n", port, usbd_errstr(r))); return (r); } } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); if (n == 0) { printf("usbd_reset_port: timeout\n"); return (USBD_IOERROR); } r = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); #ifdef USB_DEBUG if (r != USBD_NORMAL_COMPLETION) DPRINTF(("usbd_reset_port: clear port %d feature failed %d\n", port, r)); #endif /* Wait for the device to recover from reset. */ usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); return (r); } usb_interface_descriptor_t * usbd_find_idesc(cd, ifaceidx, altidx) usb_config_descriptor_t *cd; int ifaceidx; int altidx; { char *p = (char *)cd; char *end = p + UGETW(cd->wTotalLength); usb_interface_descriptor_t *d; int curidx, lastidx, curaidx = 0; for (curidx = lastidx = -1; p < end; ) { d = (usb_interface_descriptor_t *)p; DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " "type=%d\n", ifaceidx, curidx, altidx, curaidx, d->bLength, d->bDescriptorType)); if (d->bLength == 0) /* bad descriptor */ break; p += d->bLength; if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { if (d->bInterfaceNumber != lastidx) { lastidx = d->bInterfaceNumber; curidx++; curaidx = 0; } else curaidx++; if (ifaceidx == curidx && altidx == curaidx) return (d); } } return (0); } usb_endpoint_descriptor_t * usbd_find_edesc(cd, ifaceidx, altidx, endptidx) usb_config_descriptor_t *cd; int ifaceidx; int altidx; int endptidx; { char *p = (char *)cd; char *end = p + UGETW(cd->wTotalLength); usb_interface_descriptor_t *d; usb_endpoint_descriptor_t *e; int curidx; d = usbd_find_idesc(cd, ifaceidx, altidx); if (!d) return (0); if (endptidx >= d->bNumEndpoints) /* quick exit */ return (0); curidx = -1; for (p = (char *)d + d->bLength; p < end; ) { e = (usb_endpoint_descriptor_t *)p; if (e->bLength == 0) /* bad descriptor */ break; p += e->bLength; if (p <= end && e->bDescriptorType == UDESC_INTERFACE) return (0); if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { curidx++; if (curidx == endptidx) return (e); } } return (0); } usbd_status usbd_fill_iface_data(dev, ifaceidx, altidx) usbd_device_handle dev; int ifaceidx; int altidx; { usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; char *p, *end; int endpt, nendpt; DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", ifaceidx, altidx)); ifc->device = dev; ifc->idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); if (ifc->idesc == 0) return (USBD_INVAL); ifc->index = ifaceidx; ifc->altindex = altidx; nendpt = ifc->idesc->bNumEndpoints; DPRINTFN(10,("usbd_fill_iface_data: found idesc n=%d\n", nendpt)); if (nendpt != 0) { ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), M_USB, M_NOWAIT); if (ifc->endpoints == 0) return (USBD_NOMEM); } else ifc->endpoints = 0; ifc->priv = 0; p = (char *)ifc->idesc + ifc->idesc->bLength; end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); #define ed ((usb_endpoint_descriptor_t *)p) for (endpt = 0; endpt < nendpt; endpt++) { DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); for (; p < end; p += ed->bLength) { ed = (usb_endpoint_descriptor_t *)p; DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " "len=%d type=%d\n", p, end, ed->bLength, ed->bDescriptorType)); if (p + ed->bLength <= end && ed->bLength != 0 && ed->bDescriptorType == UDESC_ENDPOINT) goto found; if (ed->bDescriptorType == UDESC_INTERFACE || ed->bLength == 0) break; } /* passed end, or bad desc */ goto bad; found: ifc->endpoints[endpt].edesc = ed; ifc->endpoints[endpt].state = USBD_ENDPOINT_ACTIVE; ifc->endpoints[endpt].refcnt = 0; ifc->endpoints[endpt].toggle = 0; p += ed->bLength; } #undef ed LIST_INIT(&ifc->pipes); ifc->state = USBD_INTERFACE_ACTIVE; return (USBD_NORMAL_COMPLETION); bad: free(ifc->endpoints, M_USB); return (USBD_INVAL); } void usbd_free_iface_data(dev, ifcno) usbd_device_handle dev; int ifcno; { usbd_interface_handle ifc = &dev->ifaces[ifcno]; if (ifc->endpoints) free(ifc->endpoints, M_USB); } static usbd_status usbd_set_config(dev, conf) usbd_device_handle dev; int conf; { usb_device_request_t req; req.bmRequestType = UT_WRITE_DEVICE; req.bRequest = UR_SET_CONFIG; USETW(req.wValue, conf); USETW(req.wIndex, 0); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_set_config_no(dev, no, msg) usbd_device_handle dev; int no; int msg; { int index; usb_config_descriptor_t cd; usbd_status r; DPRINTFN(5,("usbd_set_config_no: %d\n", no)); /* Figure out what config index to use. */ for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { r = usbd_get_config_desc(dev, index, &cd); if (r != USBD_NORMAL_COMPLETION) return (r); if (cd.bConfigurationValue == no) return (usbd_set_config_index(dev, index, msg)); } return (USBD_INVAL); } usbd_status usbd_set_config_index(dev, index, msg) usbd_device_handle dev; int index; int msg; { usb_status_t ds; usb_hub_status_t hs; usb_config_descriptor_t cd, *cdp; usbd_status r; int ifcidx, nifc, len, selfpowered, power; DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); /* XXX check that all interfaces are idle */ if (dev->config != 0) { DPRINTF(("usbd_set_config_index: free old config\n")); /* Free all configuration data structures. */ nifc = dev->cdesc->bNumInterface; for (ifcidx = 0; ifcidx < nifc; ifcidx++) usbd_free_iface_data(dev, ifcidx); free(dev->ifaces, M_USB); free(dev->cdesc, M_USB); dev->ifaces = 0; dev->cdesc = 0; dev->config = 0; dev->state = USBD_DEVICE_ADDRESSED; } /* Figure out what config number to use. */ r = usbd_get_config_desc(dev, index, &cd); if (r != USBD_NORMAL_COMPLETION) return (r); len = UGETW(cd.wTotalLength); cdp = malloc(len, M_USB, M_NOWAIT); if (cdp == 0) return (USBD_NOMEM); r = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); if (r != USBD_NORMAL_COMPLETION) goto bad; if (cdp->bDescriptorType != UDESC_CONFIG) { DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", cdp->bDescriptorType)); r = USBD_INVAL; goto bad; } selfpowered = 0; if (cdp->bmAttributes & UC_SELF_POWERED) { /* May be self powered. */ if (cdp->bmAttributes & UC_BUS_POWERED) { /* Must ask device. */ if (dev->quirks->uq_flags & UQ_HUB_POWER) { /* Buggy hub, use hub descriptor. */ r = usbd_get_hub_status(dev, &hs); if (r == USBD_NORMAL_COMPLETION && !(UGETW(hs.wHubStatus) & UHS_LOCAL_POWER)) selfpowered = 1; } else { r = usbd_get_device_status(dev, &ds); if (r == USBD_NORMAL_COMPLETION && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) selfpowered = 1; } DPRINTF(("usbd_set_config_index: status=0x%04x, %s\n", UGETW(ds.wStatus), usbd_errstr(r))); } else selfpowered = 1; } DPRINTF(("usbd_set_config_index: (addr %d) attr=0x%02x, " "selfpowered=%d, power=%d, powerquirk=%x\n", dev->address, cdp->bmAttributes, selfpowered, cdp->bMaxPower * 2, dev->quirks->uq_flags & UQ_HUB_POWER)); #ifdef USB_DEBUG if (!dev->powersrc) { printf("usbd_set_config_index: No power source?\n"); return (USBD_IOERROR); } #endif power = cdp->bMaxPower * 2; if (power > dev->powersrc->power) { /* XXX print nicer message. */ if (msg) printf("%s: device addr %d (config %d) exceeds power " "budget, %d mA > %d mA\n", USBDEVNAME(dev->bus->bdev), dev->address, cdp->bConfigurationValue, power, dev->powersrc->power); r = USBD_NO_POWER; goto bad; } dev->power = power; dev->self_powered = selfpowered; DPRINTF(("usbd_set_config_index: set config %d\n", cdp->bConfigurationValue)); r = usbd_set_config(dev, cdp->bConfigurationValue); if (r != USBD_NORMAL_COMPLETION) { DPRINTF(("usbd_set_config_index: setting config=%d failed, %s\n", cdp->bConfigurationValue, usbd_errstr(r))); goto bad; } DPRINTF(("usbd_set_config_index: setting new config %d\n", cdp->bConfigurationValue)); nifc = cdp->bNumInterface; dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), M_USB, M_NOWAIT); if (dev->ifaces == 0) { r = USBD_NOMEM; goto bad; } DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); dev->cdesc = cdp; dev->config = cdp->bConfigurationValue; dev->state = USBD_DEVICE_CONFIGURED; for (ifcidx = 0; ifcidx < nifc; ifcidx++) { r = usbd_fill_iface_data(dev, ifcidx, 0); if (r != USBD_NORMAL_COMPLETION) { while (--ifcidx >= 0) usbd_free_iface_data(dev, ifcidx); goto bad; } } return (USBD_NORMAL_COMPLETION); bad: free(cdp, M_USB); return (r); } /* XXX add function for alternate settings */ usbd_status usbd_setup_pipe(dev, iface, ep, pipe) usbd_device_handle dev; usbd_interface_handle iface; struct usbd_endpoint *ep; usbd_pipe_handle *pipe; { usbd_pipe_handle p; usbd_status r; DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", dev, iface, ep, pipe)); p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); if (p == 0) return (USBD_NOMEM); p->device = dev; p->iface = iface; p->state = USBD_PIPE_ACTIVE; p->endpoint = ep; ep->refcnt++; p->refcnt = 1; p->intrreqh = 0; p->running = 0; p->disco = 0; p->discoarg = 0; SIMPLEQ_INIT(&p->queue); r = dev->bus->open_pipe(p); if (r != USBD_NORMAL_COMPLETION) { DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, %s\n", ep->edesc->bEndpointAddress, usbd_errstr(r))); free(p, M_USB); return (r); } *pipe = p; return (USBD_NORMAL_COMPLETION); } /* Abort the device control pipe. */ void usbd_kill_pipe(pipe) usbd_pipe_handle pipe; { pipe->methods->close(pipe); pipe->endpoint->refcnt--; free(pipe, M_USB); } int usbd_getnewaddr(bus) usbd_bus_handle bus; { int addr; for (addr = 1; addr < USB_MAX_DEVICES; addr++) if (bus->devices[addr] == 0) return (addr); return (-1); } usbd_status usbd_probe_and_attach(parent, dev, port, addr) bdevice *parent; usbd_device_handle dev; int port; int addr; { struct usb_attach_arg uaa; usb_device_descriptor_t *dd = &dev->ddesc; int found = 0; int r, i, confi, nifaces; usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ #if defined(__FreeBSD__) /* XXX uaa is a static var. Not a problem as it _should_ be used only * during probe and attach. Should be changed however */ bdevice bdev; bdev = device_add_child(*parent, NULL, -1, &uaa); if (!bdev) { printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); return (USBD_INVAL); } device_quiet(bdev); #endif uaa.device = dev; uaa.iface = 0; uaa.ifaces = 0; uaa.nifaces = 0; uaa.usegeneric = 0; uaa.port = port; uaa.configno = UHUB_UNK_CONFIGURATION; uaa.ifaceno = UHUB_UNK_INTERFACE; /* First try with device specific drivers. */ if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch)) return (USBD_NORMAL_COMPLETION); DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); /* Next try with interface drivers. */ for (confi = 0; confi < dd->bNumConfigurations; confi++) { DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", confi)); r = usbd_set_config_index(dev, confi, 1); if (r != USBD_NORMAL_COMPLETION) { printf("%s: port %d, set config at addr %d failed, %s\n", USBDEVNAME(*parent), port, addr, usbd_errstr(r)); return (r); } nifaces = dev->cdesc->bNumInterface; uaa.configno = dev->cdesc->bConfigurationValue; for (i = 0; i < nifaces; i++) ifaces[i] = &dev->ifaces[i]; uaa.ifaces = ifaces; uaa.nifaces = nifaces; for (i = 0; i < nifaces; i++) { if (!ifaces[i]) continue; /* interface already claimed */ uaa.iface = ifaces[i]; uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch)) { found++; ifaces[i] = 0; /* consumed */ #if defined(__FreeBSD__) /* create another device for the next iface */ bdev = device_add_child(*parent, NULL, -1, &uaa); if (!bdev) { printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); return (USBD_NORMAL_COMPLETION); } device_quiet(bdev); #endif } } if (found != 0) { #if defined(__FreeBSD__) /* remove the last created child again, it is unused */ device_delete_child(*parent, bdev); #endif return (USBD_NORMAL_COMPLETION); } } /* No interfaces were attached in any of the configurations. */ if (dd->bNumConfigurations > 1)/* don't change if only 1 config */ usbd_set_config_index(dev, 0, 0); DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); /* Finally try the generic driver. */ uaa.iface = 0; uaa.usegeneric = 1; uaa.configno = UHUB_UNK_CONFIGURATION; uaa.ifaceno = UHUB_UNK_INTERFACE; if (USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch)) return (USBD_NORMAL_COMPLETION); /* * The generic attach failed, but leave the device as it is. * We just did not find any drivers, that's all. The device is * fully operational and not harming anyone. */ DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); #if defined(__FreeBSD__) /* * XXX should we delete the child again? Left for now to avoid dangling * references. device_delete_child(*parent, bdev); */ #endif return (USBD_NORMAL_COMPLETION); } /* * Called when a new device has been put in the powered state, * but not yet in the addressed state. * Get initial descriptor, set the address, get full descriptor, * and attach a driver. */ usbd_status usbd_new_device(parent, bus, depth, lowspeed, port, up) bdevice *parent; usbd_bus_handle bus; int depth; int lowspeed; int port; struct usbd_port *up; { usbd_device_handle dev; usb_device_descriptor_t *dd; usbd_status r; int addr; int i; DPRINTF(("usbd_new_device bus=%p depth=%d lowspeed=%d\n", bus, depth, lowspeed)); addr = usbd_getnewaddr(bus); if (addr < 0) { printf("%s: No free USB addresses, new device ignored.\n", USBDEVNAME(bus->bdev)); return (USBD_NO_ADDR); } dev = malloc(sizeof *dev, M_USB, M_NOWAIT); if (dev == 0) return (USBD_NOMEM); memset(dev, 0, sizeof(*dev)); dev->bus = bus; /* Set up default endpoint handle. */ dev->def_ep.edesc = &dev->def_ep_desc; dev->def_ep.state = USBD_ENDPOINT_ACTIVE; /* Set up default endpoint descriptor. */ dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; dev->def_ep_desc.bmAttributes = UE_CONTROL; USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); dev->def_ep_desc.bInterval = 0; dev->state = USBD_DEVICE_DEFAULT; dev->quirks = &usbd_no_quirk; dev->address = USB_START_ADDR; dev->ddesc.bMaxPacketSize = 0; dev->lowspeed = lowspeed != 0; dev->depth = depth; dev->powersrc = up; dev->langid = USBD_NOLANG; /* Establish the the default pipe. */ r = usbd_setup_pipe(dev, 0, &dev->def_ep, &dev->default_pipe); if (r != USBD_NORMAL_COMPLETION) { usbd_remove_device(dev, up); return (r); } up->device = dev; dd = &dev->ddesc; /* Try a few times in case the device is slow (i.e. outside specs.) */ for (i = 0; i < 5; i++) { /* Get the first 8 bytes of the device descriptor. */ r = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); if (r == USBD_NORMAL_COMPLETION) break; usbd_delay_ms(dev, 200); } if (r != USBD_NORMAL_COMPLETION) { DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " "failed\n", addr)); usbd_remove_device(dev, up); return (r); } if (dd->bDescriptorType != UDESC_DEVICE) { /* Illegal device descriptor */ DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", dd->bDescriptorType)); usbd_remove_device(dev, up); return (USBD_INVAL); } DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " "subclass=%d, protocol=%d, maxpacket=%d, ls=%d\n", addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, dd->bDeviceProtocol, dd->bMaxPacketSize, dev->lowspeed)); USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); /* Get the full device descriptor. */ r = usbd_get_device_desc(dev, dd); if (r != USBD_NORMAL_COMPLETION) { DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " "failed\n", addr)); usbd_remove_device(dev, up); return (r); } /* Figure out what's wrong with this device. */ dev->quirks = usbd_find_quirk(dd); /* Set the address */ r = usbd_set_address(dev, addr); if (r != USBD_NORMAL_COMPLETION) { DPRINTFN(-1,("usbd_new_device: set address %d failed\n",addr)); r = USBD_SET_ADDR_FAILED; usbd_remove_device(dev, up); return (r); } /* Allow device time to set new address */ usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); dev->address = addr; /* New device address now */ dev->state = USBD_DEVICE_ADDRESSED; bus->devices[addr] = dev; /* Assume 100mA bus powered for now. Changed when configured. */ dev->power = USB_MIN_POWER; dev->self_powered = 0; DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", addr, dev, parent)); r = usbd_probe_and_attach(parent, dev, port, addr); if (r != USBD_NORMAL_COMPLETION) { usbd_remove_device(dev, up); return (r); } return (USBD_NORMAL_COMPLETION); } void usbd_remove_device(dev, up) usbd_device_handle dev; struct usbd_port *up; { DPRINTF(("usbd_remove_device: %p\n", dev)); if (dev->default_pipe) usbd_kill_pipe(dev->default_pipe); up->device = 0; dev->bus->devices[dev->address] = 0; free(dev, M_USB); } #if defined(__NetBSD__) int usbd_print(aux, pnp) void *aux; const char *pnp; { struct usb_attach_arg *uaa = aux; char devinfo[1024]; DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); if (pnp) { if (!uaa->usegeneric) return (QUIET); usbd_devinfo(uaa->device, 1, devinfo); printf("%s, %s", devinfo, pnp); } if (uaa->port != 0) printf(" port %d", uaa->port); if (uaa->configno != UHUB_UNK_CONFIGURATION) printf(" configuration %d", uaa->configno); if (uaa->ifaceno != UHUB_UNK_INTERFACE) printf(" interface %d", uaa->ifaceno); return (UNCONF); } int usbd_submatch(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct usb_attach_arg *uaa = aux; if ((uaa->port != 0 && cf->uhubcf_port != UHUB_UNK_PORT && cf->uhubcf_port != uaa->port) || (uaa->configno != UHUB_UNK_CONFIGURATION && cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && cf->uhubcf_configuration != uaa->configno) || (uaa->ifaceno != UHUB_UNK_INTERFACE && cf->uhubcf_interface != UHUB_UNK_INTERFACE && cf->uhubcf_interface != uaa->ifaceno)) return 0; return ((*cf->cf_attach->ca_match)(parent, cf, aux)); } #endif usbd_status usb_insert_transfer(reqh) usbd_request_handle reqh; { usbd_pipe_handle pipe = reqh->pipe; usbd_interface_handle iface = pipe->iface; if (pipe->state == USBD_PIPE_IDLE || (iface && iface->state == USBD_INTERFACE_IDLE)) return (USBD_IS_IDLE); SIMPLEQ_INSERT_TAIL(&pipe->queue, reqh, next); if (pipe->state != USBD_PIPE_ACTIVE || (iface && iface->state != USBD_INTERFACE_ACTIVE)) return (USBD_NOT_STARTED); if (pipe->running) return (USBD_IN_PROGRESS); pipe->running = 1; return (USBD_NORMAL_COMPLETION); } void usb_start_next(pipe) usbd_pipe_handle pipe; { usbd_request_handle reqh; usbd_status r; #ifdef DIAGNOSTIC if (SIMPLEQ_FIRST(&pipe->queue) == 0) { printf("usb_start_next: empty\n"); return; } #endif /* First remove remove old */ #if defined(__NetBSD__) SIMPLEQ_REMOVE_HEAD(&pipe->queue, SIMPLEQ_FIRST(&pipe->queue), next); #elif defined(__FreeBSD__) SIMPLEQ_REMOVE_HEAD(&pipe->queue, next); #endif if (pipe->state != USBD_PIPE_ACTIVE) { pipe->running = 0; return; } reqh = SIMPLEQ_FIRST(&pipe->queue); DPRINTFN(5, ("usb_start_next: start reqh=%p\n", reqh)); if (!reqh) pipe->running = 0; else { r = pipe->methods->start(reqh); if (r != USBD_IN_PROGRESS) { printf("usb_start_next: error=%d\n", r); pipe->running = 0; /* XXX do what? */ } } } void usbd_fill_deviceinfo(dev, di) usbd_device_handle dev; struct usb_device_info *di; { struct usbd_port *p; int i, r, s; di->config = dev->config; usbd_devinfo_vp(dev, di->vendor, di->product); usbd_printBCD(di->revision, UGETW(dev->ddesc.bcdDevice)); di->vendorNo = UGETW(dev->ddesc.idVendor); di->productNo = UGETW(dev->ddesc.idProduct); di->class = dev->ddesc.bDeviceClass; di->power = dev->self_powered ? 0 : dev->power; di->lowspeed = dev->lowspeed; di->addr = dev->address; if (dev->hub) { for (i = 0; i < sizeof(di->ports) / sizeof(di->ports[0]) && i < dev->hub->hubdesc.bNbrPorts; i++) { p = &dev->hub->ports[i]; if (p->device) r = p->device->address; else { s = UGETW(p->status.wPortStatus); if (s & UPS_PORT_ENABLED) r = USB_PORT_ENABLED; else if (s & UPS_SUSPEND) r = USB_PORT_SUSPENDED; else if (s & UPS_PORT_POWER) r = USB_PORT_POWERED; else r = USB_PORT_DISABLED; } di->ports[i] = r; } di->nports = dev->hub->hubdesc.bNbrPorts; } else di->nports = 0; }