e43719c485
on the hubs. Reviewed by: imp
1375 lines
37 KiB
C
1375 lines
37 KiB
C
/* $NetBSD: usb_subr.c,v 1.99 2002/07/11 21:14:34 augustss Exp $ */
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|
|
|
/* Also already have from NetBSD:
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* $NetBSD: usb_subr.c,v 1.102 2003/01/01 16:21:50 augustss Exp $
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* $NetBSD: usb_subr.c,v 1.103 2003/01/10 11:19:13 augustss Exp $
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* $NetBSD: usb_subr.c,v 1.111 2004/03/15 10:35:04 augustss Exp $
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* $NetBSD: usb_subr.c,v 1.114 2004/06/23 02:30:52 mycroft Exp $
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* $NetBSD: usb_subr.c,v 1.115 2004/06/23 05:23:19 mycroft Exp $
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* $NetBSD: usb_subr.c,v 1.116 2004/06/23 06:27:54 mycroft Exp $
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* $NetBSD: usb_subr.c,v 1.119 2004/10/23 13:26:33 augustss Exp $
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*/
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|
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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|
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/*-
|
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
|
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
|
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
|
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* 3. All advertising materials mentioning features or use of this software
|
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* must display the following acknowledgement:
|
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
|
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* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
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* from this software without specific prior written permission.
|
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*
|
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* 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 "opt_usb.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/usb/usb.h>
|
|
|
|
#include <dev/usb/usbdi.h>
|
|
#include <dev/usb/usbdi_util.h>
|
|
#include <dev/usb/usbdivar.h>
|
|
#include "usbdevs.h"
|
|
#include <dev/usb/usb_quirks.h>
|
|
|
|
#define delay(d) DELAY(d)
|
|
|
|
#ifdef USB_DEBUG
|
|
#define DPRINTF(x) if (usbdebug) logprintf x
|
|
#define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x
|
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extern int usbdebug;
|
|
#else
|
|
#define DPRINTF(x)
|
|
#define DPRINTFN(n,x)
|
|
#endif
|
|
|
|
static usbd_status usbd_set_config(usbd_device_handle, int);
|
|
static void usbd_devinfo_vp(usbd_device_handle, char *, char *, int);
|
|
static int usbd_getnewaddr(usbd_bus_handle bus);
|
|
static void usbd_free_iface_data(usbd_device_handle dev, int ifcno);
|
|
static void usbd_kill_pipe(usbd_pipe_handle);
|
|
static usbd_status usbd_probe_and_attach(device_t parent,
|
|
usbd_device_handle dev, int port, int addr);
|
|
|
|
static u_int32_t usb_cookie_no = 0;
|
|
|
|
#ifdef USBVERBOSE
|
|
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 "usbdevs_data.h"
|
|
#endif /* USBVERBOSE */
|
|
|
|
static const char * const usbd_error_strs[] = {
|
|
"NORMAL_COMPLETION",
|
|
"IN_PROGRESS",
|
|
"PENDING_REQUESTS",
|
|
"NOT_STARTED",
|
|
"INVAL",
|
|
"NOMEM",
|
|
"CANCELLED",
|
|
"BAD_ADDRESS",
|
|
"IN_USE",
|
|
"NO_ADDR",
|
|
"SET_ADDR_FAILED",
|
|
"NO_POWER",
|
|
"TOO_DEEP",
|
|
"IOERROR",
|
|
"NOT_CONFIGURED",
|
|
"TIMEOUT",
|
|
"SHORT_XFER",
|
|
"STALLED",
|
|
"INTERRUPTED",
|
|
"XXX",
|
|
};
|
|
|
|
const char *
|
|
usbd_errstr(usbd_status err)
|
|
{
|
|
static char buffer[5];
|
|
|
|
if (err < USBD_ERROR_MAX) {
|
|
return usbd_error_strs[err];
|
|
} else {
|
|
snprintf(buffer, sizeof buffer, "%d", err);
|
|
return buffer;
|
|
}
|
|
}
|
|
|
|
usbd_status
|
|
usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid,
|
|
usb_string_descriptor_t *sdesc, int *sizep)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
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int actlen;
|
|
|
|
req.bmRequestType = UT_READ_DEVICE;
|
|
req.bRequest = UR_GET_DESCRIPTOR;
|
|
USETW2(req.wValue, UDESC_STRING, sindex);
|
|
USETW(req.wIndex, langid);
|
|
USETW(req.wLength, 2); /* only size byte first */
|
|
err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
|
|
&actlen, USBD_DEFAULT_TIMEOUT);
|
|
if (err)
|
|
return (err);
|
|
|
|
if (actlen < 2)
|
|
return (USBD_SHORT_XFER);
|
|
|
|
USETW(req.wLength, sdesc->bLength); /* the whole string */
|
|
err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
|
|
&actlen, USBD_DEFAULT_TIMEOUT);
|
|
if (err)
|
|
return (err);
|
|
|
|
if (actlen != sdesc->bLength) {
|
|
DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n",
|
|
sdesc->bLength, actlen));
|
|
}
|
|
|
|
*sizep = actlen;
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static void
|
|
usbd_trim_spaces(char *p)
|
|
{
|
|
char *q, *e;
|
|
|
|
if (p == NULL)
|
|
return;
|
|
q = e = p;
|
|
while (*q == ' ') /* skip leading spaces */
|
|
q++;
|
|
while ((*p = *q++)) /* copy string */
|
|
if (*p++ != ' ') /* remember last non-space */
|
|
e = p;
|
|
*e = 0; /* kill trailing spaces */
|
|
}
|
|
|
|
static void
|
|
usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev)
|
|
{
|
|
usb_device_descriptor_t *udd = &dev->ddesc;
|
|
char *vendor = 0, *product = 0;
|
|
#ifdef USBVERBOSE
|
|
const struct usb_knowndev *kdp;
|
|
#endif
|
|
|
|
if (dev == NULL) {
|
|
v[0] = p[0] = '\0';
|
|
return;
|
|
}
|
|
|
|
if (usedev) {
|
|
if (usbd_get_string(dev, udd->iManufacturer, v))
|
|
vendor = NULL;
|
|
else
|
|
vendor = v;
|
|
usbd_trim_spaces(vendor);
|
|
if (usbd_get_string(dev, udd->iProduct, p))
|
|
product = NULL;
|
|
else
|
|
product = p;
|
|
usbd_trim_spaces(product);
|
|
if (vendor && !*vendor)
|
|
vendor = NULL;
|
|
if (product && !*product)
|
|
product = NULL;
|
|
} else {
|
|
vendor = NULL;
|
|
product = NULL;
|
|
}
|
|
#ifdef USBVERBOSE
|
|
if (vendor == NULL || product == NULL) {
|
|
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) {
|
|
if (vendor == NULL)
|
|
vendor = kdp->vendorname;
|
|
if (product == NULL)
|
|
product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ?
|
|
kdp->productname : NULL;
|
|
}
|
|
}
|
|
#endif
|
|
if (vendor != NULL && *vendor)
|
|
strcpy(v, vendor);
|
|
else
|
|
sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor));
|
|
if (product != NULL && *product)
|
|
strcpy(p, product);
|
|
else
|
|
sprintf(p, "product 0x%04x", UGETW(udd->idProduct));
|
|
}
|
|
|
|
int
|
|
usbd_printBCD(char *cp, int bcd)
|
|
{
|
|
return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff));
|
|
}
|
|
|
|
void
|
|
usbd_devinfo(usbd_device_handle dev, int showclass, char *cp)
|
|
{
|
|
usb_device_descriptor_t *udd = &dev->ddesc;
|
|
usbd_interface_handle iface;
|
|
char vendor[USB_MAX_STRING_LEN];
|
|
char product[USB_MAX_STRING_LEN];
|
|
int bcdDevice, bcdUSB;
|
|
usb_interface_descriptor_t *id;
|
|
|
|
usbd_devinfo_vp(dev, vendor, product, 1);
|
|
cp += sprintf(cp, "%s %s", vendor, product);
|
|
if (showclass & USBD_SHOW_DEVICE_CLASS)
|
|
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);
|
|
if (showclass & USBD_SHOW_INTERFACE_CLASS)
|
|
{
|
|
/* fetch the interface handle for the first interface */
|
|
(void)usbd_device2interface_handle(dev, 0, &iface);
|
|
id = usbd_get_interface_descriptor(iface);
|
|
cp += sprintf(cp, ", iclass %d/%d",
|
|
id->bInterfaceClass, id->bInterfaceSubClass);
|
|
}
|
|
*cp = 0;
|
|
}
|
|
|
|
/* Delay for a certain number of ms */
|
|
void
|
|
usb_delay_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 || cold)
|
|
delay((ms+1) * 1000);
|
|
else
|
|
pause("usbdly", (ms*hz+999)/1000 + 1);
|
|
}
|
|
|
|
/* Delay given a device handle. */
|
|
void
|
|
usbd_delay_ms(usbd_device_handle dev, u_int ms)
|
|
{
|
|
usb_delay_ms(dev->bus, ms);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
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);
|
|
err = usbd_do_request(dev, &req, 0);
|
|
DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n",
|
|
port, usbd_errstr(err)));
|
|
if (err)
|
|
return (err);
|
|
n = 10;
|
|
do {
|
|
/* Wait for device to recover from reset. */
|
|
usbd_delay_ms(dev, USB_PORT_RESET_DELAY);
|
|
err = usbd_get_port_status(dev, port, ps);
|
|
if (err) {
|
|
DPRINTF(("usbd_reset_port: get status failed %d\n",
|
|
err));
|
|
return (err);
|
|
}
|
|
/* If the device disappeared, just give up. */
|
|
if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS))
|
|
return (USBD_NORMAL_COMPLETION);
|
|
} while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0);
|
|
if (n == 0)
|
|
return (USBD_TIMEOUT);
|
|
err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET);
|
|
#ifdef USB_DEBUG
|
|
if (err)
|
|
DPRINTF(("usbd_reset_port: clear port feature failed %d\n",
|
|
err));
|
|
#endif
|
|
|
|
/* Wait for the device to recover from reset. */
|
|
usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY);
|
|
return (err);
|
|
}
|
|
|
|
usb_interface_descriptor_t *
|
|
usbd_find_idesc(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 (NULL);
|
|
}
|
|
|
|
usb_endpoint_descriptor_t *
|
|
usbd_find_edesc(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 == NULL)
|
|
return (NULL);
|
|
if (endptidx >= d->bNumEndpoints) /* quick exit */
|
|
return (NULL);
|
|
|
|
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 (NULL);
|
|
if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) {
|
|
curidx++;
|
|
if (curidx == endptidx)
|
|
return (e);
|
|
}
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx)
|
|
{
|
|
usbd_interface_handle ifc = &dev->ifaces[ifaceidx];
|
|
usb_interface_descriptor_t *idesc;
|
|
char *p, *end;
|
|
int endpt, nendpt;
|
|
|
|
DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n",
|
|
ifaceidx, altidx));
|
|
idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx);
|
|
if (idesc == NULL)
|
|
return (USBD_INVAL);
|
|
ifc->device = dev;
|
|
ifc->idesc = idesc;
|
|
ifc->index = ifaceidx;
|
|
ifc->altindex = altidx;
|
|
nendpt = ifc->idesc->bNumEndpoints;
|
|
DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt));
|
|
if (nendpt != 0) {
|
|
ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint),
|
|
M_USB, M_NOWAIT);
|
|
if (ifc->endpoints == NULL)
|
|
return (USBD_NOMEM);
|
|
} else
|
|
ifc->endpoints = NULL;
|
|
ifc->priv = NULL;
|
|
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) {
|
|
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->bLength == 0 ||
|
|
ed->bDescriptorType == UDESC_INTERFACE)
|
|
break;
|
|
}
|
|
/* passed end, or bad desc */
|
|
printf("usbd_fill_iface_data: bad descriptor(s): %s\n",
|
|
ed->bLength == 0 ? "0 length" :
|
|
ed->bDescriptorType == UDESC_INTERFACE ? "iface desc":
|
|
"out of data");
|
|
goto bad;
|
|
found:
|
|
ifc->endpoints[endpt].edesc = ed;
|
|
if (dev->speed == USB_SPEED_HIGH) {
|
|
u_int mps;
|
|
/* Control and bulk endpoints have max packet limits. */
|
|
switch (UE_GET_XFERTYPE(ed->bmAttributes)) {
|
|
case UE_CONTROL:
|
|
mps = USB_2_MAX_CTRL_PACKET;
|
|
goto check;
|
|
case UE_BULK:
|
|
mps = USB_2_MAX_BULK_PACKET;
|
|
check:
|
|
if (UGETW(ed->wMaxPacketSize) != mps) {
|
|
USETW(ed->wMaxPacketSize, mps);
|
|
#ifdef DIAGNOSTIC
|
|
printf("usbd_fill_iface_data: bad max "
|
|
"packet size\n");
|
|
#endif
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
ifc->endpoints[endpt].refcnt = 0;
|
|
ifc->endpoints[endpt].savedtoggle = 0;
|
|
p += ed->bLength;
|
|
}
|
|
#undef ed
|
|
LIST_INIT(&ifc->pipes);
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
bad:
|
|
if (ifc->endpoints != NULL) {
|
|
free(ifc->endpoints, M_USB);
|
|
ifc->endpoints = NULL;
|
|
}
|
|
return (USBD_INVAL);
|
|
}
|
|
|
|
void
|
|
usbd_free_iface_data(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(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(usbd_device_handle dev, int no, int msg)
|
|
{
|
|
int index;
|
|
usb_config_descriptor_t cd;
|
|
usbd_status err;
|
|
|
|
if (no == USB_UNCONFIG_NO)
|
|
return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg));
|
|
|
|
DPRINTFN(5,("usbd_set_config_no: %d\n", no));
|
|
/* Figure out what config index to use. */
|
|
for (index = 0; index < dev->ddesc.bNumConfigurations; index++) {
|
|
err = usbd_get_config_desc(dev, index, &cd);
|
|
if (err)
|
|
return (err);
|
|
if (cd.bConfigurationValue == no)
|
|
return (usbd_set_config_index(dev, index, msg));
|
|
}
|
|
return (USBD_INVAL);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_set_config_index(usbd_device_handle dev, int index, int msg)
|
|
{
|
|
usb_status_t ds;
|
|
usb_config_descriptor_t cd, *cdp;
|
|
usbd_status err;
|
|
int i, ifcidx, nifc, len, selfpowered, power;
|
|
|
|
DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index));
|
|
|
|
if (dev->config != USB_UNCONFIG_NO) {
|
|
nifc = dev->cdesc->bNumInterface;
|
|
|
|
/* Check that all interfaces are idle */
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++) {
|
|
if (LIST_EMPTY(&dev->ifaces[ifcidx].pipes))
|
|
continue;
|
|
DPRINTF(("usbd_set_config_index: open pipes exist\n"));
|
|
return (USBD_IN_USE);
|
|
}
|
|
|
|
DPRINTF(("usbd_set_config_index: free old config\n"));
|
|
/* Free all configuration data structures. */
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++)
|
|
usbd_free_iface_data(dev, ifcidx);
|
|
free(dev->ifaces, M_USB);
|
|
free(dev->cdesc, M_USB);
|
|
dev->ifaces = NULL;
|
|
dev->cdesc = NULL;
|
|
dev->config = USB_UNCONFIG_NO;
|
|
}
|
|
|
|
if (index == USB_UNCONFIG_INDEX) {
|
|
/* We are unconfiguring the device, so leave unallocated. */
|
|
DPRINTF(("usbd_set_config_index: set config 0\n"));
|
|
err = usbd_set_config(dev, USB_UNCONFIG_NO);
|
|
if (err)
|
|
DPRINTF(("usbd_set_config_index: setting config=0 "
|
|
"failed, error=%s\n", usbd_errstr(err)));
|
|
return (err);
|
|
}
|
|
|
|
/* Get the short descriptor. */
|
|
err = usbd_get_config_desc(dev, index, &cd);
|
|
if (err)
|
|
return (err);
|
|
len = UGETW(cd.wTotalLength);
|
|
cdp = malloc(len, M_USB, M_NOWAIT);
|
|
if (cdp == NULL)
|
|
return (USBD_NOMEM);
|
|
|
|
/* Get the full descriptor. Try a few times for slow devices. */
|
|
for (i = 0; i < 3; i++) {
|
|
err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp);
|
|
if (!err)
|
|
break;
|
|
usbd_delay_ms(dev, 200);
|
|
}
|
|
if (err)
|
|
goto bad;
|
|
if (cdp->bDescriptorType != UDESC_CONFIG) {
|
|
DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n",
|
|
cdp->bDescriptorType));
|
|
err = USBD_INVAL;
|
|
goto bad;
|
|
}
|
|
|
|
/* Figure out if the device is self or bus powered. */
|
|
selfpowered = 0;
|
|
if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) &&
|
|
(cdp->bmAttributes & UC_SELF_POWERED)) {
|
|
/* May be self powered. */
|
|
if (cdp->bmAttributes & UC_BUS_POWERED) {
|
|
/* Must ask device. */
|
|
if (dev->quirks->uq_flags & UQ_POWER_CLAIM) {
|
|
/*
|
|
* Hub claims to be self powered, but isn't.
|
|
* It seems that the power status can be
|
|
* determined by the hub characteristics.
|
|
*/
|
|
usb_hub_descriptor_t hd;
|
|
usb_device_request_t req;
|
|
req.bmRequestType = UT_READ_CLASS_DEVICE;
|
|
req.bRequest = UR_GET_DESCRIPTOR;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE);
|
|
err = usbd_do_request(dev, &req, &hd);
|
|
if (!err &&
|
|
(UGETW(hd.wHubCharacteristics) &
|
|
UHD_PWR_INDIVIDUAL))
|
|
selfpowered = 1;
|
|
DPRINTF(("usbd_set_config_index: charac=0x%04x"
|
|
", error=%s\n",
|
|
UGETW(hd.wHubCharacteristics),
|
|
usbd_errstr(err)));
|
|
} else {
|
|
err = usbd_get_device_status(dev, &ds);
|
|
if (!err &&
|
|
(UGETW(ds.wStatus) & UDS_SELF_POWERED))
|
|
selfpowered = 1;
|
|
DPRINTF(("usbd_set_config_index: status=0x%04x"
|
|
", error=%s\n",
|
|
UGETW(ds.wStatus), usbd_errstr(err)));
|
|
}
|
|
} else
|
|
selfpowered = 1;
|
|
}
|
|
DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, "
|
|
"selfpowered=%d, power=%d\n",
|
|
cdp->bConfigurationValue, dev->address, cdp->bmAttributes,
|
|
selfpowered, cdp->bMaxPower * 2));
|
|
|
|
/* Check if we have enough power. */
|
|
#ifdef USB_DEBUG
|
|
if (dev->powersrc == NULL) {
|
|
DPRINTF(("usbd_set_config_index: No power source?\n"));
|
|
return (USBD_IOERROR);
|
|
}
|
|
#endif
|
|
power = cdp->bMaxPower * 2;
|
|
if (power > dev->powersrc->power) {
|
|
DPRINTF(("power exceeded %d %d\n", 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",
|
|
device_get_nameunit(dev->bus->bdev), dev->address,
|
|
cdp->bConfigurationValue,
|
|
power, dev->powersrc->power);
|
|
err = USBD_NO_POWER;
|
|
goto bad;
|
|
}
|
|
dev->power = power;
|
|
dev->self_powered = selfpowered;
|
|
|
|
/* Set the actual configuration value. */
|
|
DPRINTF(("usbd_set_config_index: set config %d\n",
|
|
cdp->bConfigurationValue));
|
|
err = usbd_set_config(dev, cdp->bConfigurationValue);
|
|
if (err) {
|
|
DPRINTF(("usbd_set_config_index: setting config=%d failed, "
|
|
"error=%s\n",
|
|
cdp->bConfigurationValue, usbd_errstr(err)));
|
|
goto bad;
|
|
}
|
|
|
|
/* Allocate and fill interface data. */
|
|
nifc = cdp->bNumInterface;
|
|
dev->ifaces = malloc(nifc * sizeof(struct usbd_interface),
|
|
M_USB, M_NOWAIT);
|
|
if (dev->ifaces == NULL) {
|
|
err = USBD_NOMEM;
|
|
goto bad;
|
|
}
|
|
DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp));
|
|
dev->cdesc = cdp;
|
|
dev->config = cdp->bConfigurationValue;
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++) {
|
|
err = usbd_fill_iface_data(dev, ifcidx, 0);
|
|
if (err) {
|
|
while (--ifcidx >= 0)
|
|
usbd_free_iface_data(dev, ifcidx);
|
|
goto bad;
|
|
}
|
|
}
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
bad:
|
|
free(cdp, M_USB);
|
|
return (err);
|
|
}
|
|
|
|
/* XXX add function for alternate settings */
|
|
|
|
usbd_status
|
|
usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface,
|
|
struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe)
|
|
{
|
|
usbd_pipe_handle p;
|
|
usbd_status err;
|
|
|
|
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 == NULL)
|
|
return (USBD_NOMEM);
|
|
p->device = dev;
|
|
p->iface = iface;
|
|
p->endpoint = ep;
|
|
ep->refcnt++;
|
|
p->refcnt = 1;
|
|
p->intrxfer = 0;
|
|
p->running = 0;
|
|
p->aborting = 0;
|
|
p->repeat = 0;
|
|
p->interval = ival;
|
|
STAILQ_INIT(&p->queue);
|
|
err = dev->bus->methods->open_pipe(p);
|
|
if (err) {
|
|
DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error="
|
|
"%s\n",
|
|
ep->edesc->bEndpointAddress, usbd_errstr(err)));
|
|
free(p, M_USB);
|
|
return (err);
|
|
}
|
|
|
|
if (dev->quirks->uq_flags & UQ_OPEN_CLEARSTALL) {
|
|
/* Clear any stall and make sure DATA0 toggle will be used next. */
|
|
if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) {
|
|
err = usbd_clear_endpoint_stall(p);
|
|
if (err && err != USBD_STALLED && err != USBD_TIMEOUT) {
|
|
printf("usbd_setup_pipe: failed to start "
|
|
"endpoint, %s\n", usbd_errstr(err));
|
|
return (err);
|
|
}
|
|
}
|
|
}
|
|
|
|
*pipe = p;
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/* Abort the device control pipe. */
|
|
void
|
|
usbd_kill_pipe(usbd_pipe_handle pipe)
|
|
{
|
|
usbd_abort_pipe(pipe);
|
|
pipe->methods->close(pipe);
|
|
pipe->endpoint->refcnt--;
|
|
free(pipe, M_USB);
|
|
}
|
|
|
|
int
|
|
usbd_getnewaddr(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(device_t parent, usbd_device_handle dev,
|
|
int port, int addr)
|
|
{
|
|
struct usb_attach_arg uaa;
|
|
usb_device_descriptor_t *dd = &dev->ddesc;
|
|
int found, i, confi, nifaces;
|
|
usbd_status err;
|
|
device_t dv;
|
|
device_t *tmpdv;
|
|
usbd_interface_handle ifaces[256]; /* 256 is the absolute max */
|
|
char *devinfo;
|
|
|
|
/* XXX FreeBSD may leak resources on failure cases -- fixme */
|
|
device_t bdev;
|
|
struct usb_attach_arg *uaap;
|
|
|
|
devinfo = malloc(1024, M_USB, M_NOWAIT);
|
|
if (devinfo == NULL) {
|
|
device_printf(parent, "Can't allocate memory for probe string\n");
|
|
return (USBD_NOMEM);
|
|
}
|
|
bdev = device_add_child(parent, NULL, -1);
|
|
if (!bdev) {
|
|
free(devinfo, M_USB);
|
|
device_printf(parent, "Device creation failed\n");
|
|
return (USBD_INVAL);
|
|
}
|
|
uaap = malloc(sizeof(uaa), M_USB, M_NOWAIT);
|
|
if (uaap == NULL) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_INVAL);
|
|
}
|
|
device_set_ivars(bdev, uaap);
|
|
uaa.device = dev;
|
|
uaa.iface = NULL;
|
|
uaa.ifaces = NULL;
|
|
uaa.nifaces = 0;
|
|
uaa.usegeneric = 0;
|
|
uaa.port = port;
|
|
uaa.configno = UHUB_UNK_CONFIGURATION;
|
|
uaa.ifaceno = UHUB_UNK_INTERFACE;
|
|
uaa.vendor = UGETW(dd->idVendor);
|
|
uaa.product = UGETW(dd->idProduct);
|
|
uaa.release = UGETW(dd->bcdDevice);
|
|
|
|
/* First try with device specific drivers. */
|
|
DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n"));
|
|
|
|
dev->ifacenums = NULL;
|
|
dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT);
|
|
if (dev->subdevs == NULL) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NOMEM);
|
|
}
|
|
dev->subdevs[0] = bdev;
|
|
dev->subdevs[1] = 0;
|
|
*uaap = uaa;
|
|
usbd_devinfo(dev, 1, devinfo);
|
|
device_set_desc_copy(bdev, devinfo);
|
|
dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch);
|
|
if (dv) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
/*
|
|
* Free subdevs so we can reallocate it larger for the number of
|
|
* interfaces
|
|
*/
|
|
tmpdv = dev->subdevs;
|
|
dev->subdevs = NULL;
|
|
free(tmpdv, M_USB);
|
|
DPRINTF(("usbd_probe_and_attach: no device specific driver found\n"));
|
|
|
|
DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n",
|
|
dd->bNumConfigurations));
|
|
/* Next try with interface drivers. */
|
|
for (confi = 0; confi < dd->bNumConfigurations; confi++) {
|
|
DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n",
|
|
confi));
|
|
err = usbd_set_config_index(dev, confi, 1);
|
|
if (err) {
|
|
#ifdef USB_DEBUG
|
|
DPRINTF(("%s: port %d, set config at addr %d failed, "
|
|
"error=%s\n", device_get_nameunit(parent), port,
|
|
addr, usbd_errstr(err)));
|
|
#else
|
|
printf("%s: port %d, set config at addr %d failed\n",
|
|
device_get_nameunit(parent), port, addr);
|
|
#endif
|
|
free(devinfo, M_USB);
|
|
return (err);
|
|
}
|
|
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;
|
|
dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT);
|
|
if (dev->subdevs == NULL) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NOMEM);
|
|
}
|
|
dev->ifacenums = malloc((nifaces) * sizeof(*dev->ifacenums),
|
|
M_USB,M_NOWAIT);
|
|
if (dev->ifacenums == NULL) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NOMEM);
|
|
}
|
|
|
|
found = 0;
|
|
for (i = 0; i < nifaces; i++) {
|
|
if (ifaces[i] == NULL)
|
|
continue; /* interface already claimed */
|
|
uaa.iface = ifaces[i];
|
|
uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber;
|
|
dev->subdevs[found] = bdev;
|
|
dev->subdevs[found + 1] = 0;
|
|
dev->ifacenums[found] = i;
|
|
*uaap = uaa;
|
|
usbd_devinfo(dev, 1, devinfo);
|
|
device_set_desc_copy(bdev, devinfo);
|
|
dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print,
|
|
usbd_submatch);
|
|
if (dv != NULL) {
|
|
ifaces[i] = 0; /* consumed */
|
|
found++;
|
|
/* create another child for the next iface */
|
|
bdev = device_add_child(parent, NULL, -1);
|
|
if (!bdev) {
|
|
device_printf(parent,
|
|
"Device add failed\n");
|
|
free(devinfo, M_USB);
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
uaap = malloc(sizeof(uaa), M_USB, M_NOWAIT);
|
|
if (uaap == NULL) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NOMEM);
|
|
}
|
|
device_set_ivars(bdev, uaap);
|
|
} else {
|
|
dev->subdevs[found] = 0;
|
|
}
|
|
}
|
|
if (found != 0) {
|
|
/* remove the last created child. It is unused */
|
|
free(uaap, M_USB);
|
|
free(devinfo, M_USB);
|
|
device_delete_child(parent, bdev);
|
|
/* free(uaap, M_USB); */ /* May be needed? xxx */
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
tmpdv = dev->subdevs;
|
|
dev->subdevs = NULL;
|
|
free(tmpdv, M_USB);
|
|
free(dev->ifacenums, M_USB);
|
|
dev->ifacenums = NULL;
|
|
}
|
|
/* 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 = NULL;
|
|
uaa.usegeneric = 1;
|
|
uaa.configno = UHUB_UNK_CONFIGURATION;
|
|
uaa.ifaceno = UHUB_UNK_INTERFACE;
|
|
dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT);
|
|
if (dev->subdevs == 0) {
|
|
free(devinfo, M_USB);
|
|
return (USBD_NOMEM);
|
|
}
|
|
dev->subdevs[0] = bdev;
|
|
dev->subdevs[1] = 0;
|
|
*uaap = uaa;
|
|
usbd_devinfo(dev, 1, devinfo);
|
|
device_set_desc_copy(bdev, devinfo);
|
|
free(devinfo, M_USB);
|
|
dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch);
|
|
if (dv != NULL)
|
|
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"));
|
|
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(device_t parent, usbd_bus_handle bus, int depth,
|
|
int speed, int port, struct usbd_port *up)
|
|
{
|
|
usbd_device_handle dev, adev;
|
|
struct usbd_device *hub;
|
|
usb_device_descriptor_t *dd;
|
|
usb_port_status_t ps;
|
|
usbd_status err;
|
|
int addr;
|
|
int i;
|
|
int p;
|
|
|
|
DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n",
|
|
bus, port, depth, speed));
|
|
addr = usbd_getnewaddr(bus);
|
|
if (addr < 0) {
|
|
printf("%s: No free USB addresses, new device ignored.\n",
|
|
device_get_nameunit(bus->bdev));
|
|
return (USBD_NO_ADDR);
|
|
}
|
|
|
|
dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO);
|
|
if (dev == NULL)
|
|
return (USBD_NOMEM);
|
|
|
|
dev->bus = bus;
|
|
|
|
/* Set up default endpoint handle. */
|
|
dev->def_ep.edesc = &dev->def_ep_desc;
|
|
|
|
/* 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->quirks = &usbd_no_quirk;
|
|
dev->address = USB_START_ADDR;
|
|
dev->ddesc.bMaxPacketSize = 0;
|
|
dev->depth = depth;
|
|
dev->powersrc = up;
|
|
dev->myhub = up->parent;
|
|
|
|
up->device = dev;
|
|
|
|
/* Locate port on upstream high speed hub */
|
|
for (adev = dev, hub = up->parent;
|
|
hub != NULL && hub->speed != USB_SPEED_HIGH;
|
|
adev = hub, hub = hub->myhub)
|
|
;
|
|
if (hub) {
|
|
for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) {
|
|
if (hub->hub->ports[p].device == adev) {
|
|
dev->myhsport = &hub->hub->ports[p];
|
|
goto found;
|
|
}
|
|
}
|
|
panic("usbd_new_device: cannot find HS port\n");
|
|
found:
|
|
DPRINTFN(1,("usbd_new_device: high speed port %d\n", p));
|
|
} else {
|
|
dev->myhsport = NULL;
|
|
}
|
|
dev->speed = speed;
|
|
dev->langid = USBD_NOLANG;
|
|
dev->cookie.cookie = ++usb_cookie_no;
|
|
|
|
/* Establish the default pipe. */
|
|
err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL,
|
|
&dev->default_pipe);
|
|
if (err) {
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
dd = &dev->ddesc;
|
|
/* Try a few times in case the device is slow (i.e. outside specs.) */
|
|
DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr));
|
|
for (i = 0; i < 15; i++) {
|
|
/* Get the first 8 bytes of the device descriptor. */
|
|
err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd);
|
|
if (!err)
|
|
break;
|
|
usbd_delay_ms(dev, 200);
|
|
if ((i & 3) == 3) {
|
|
DPRINTFN(-1,("usb_new_device: set address %d "
|
|
"failed - trying a port reset\n", addr));
|
|
usbd_reset_port(up->parent, port, &ps);
|
|
}
|
|
|
|
}
|
|
if (err) {
|
|
DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc "
|
|
"failed\n", addr));
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
if (speed == USB_SPEED_HIGH) {
|
|
/* Max packet size must be 64 (sec 5.5.3). */
|
|
if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) {
|
|
#ifdef DIAGNOSTIC
|
|
printf("usbd_new_device: addr=%d bad max packet size\n",
|
|
addr);
|
|
#endif
|
|
dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET;
|
|
}
|
|
}
|
|
|
|
DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, "
|
|
"subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n",
|
|
addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass,
|
|
dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength,
|
|
dev->speed));
|
|
|
|
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);
|
|
}
|
|
|
|
if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) {
|
|
DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength));
|
|
usbd_remove_device(dev, up);
|
|
return (USBD_INVAL);
|
|
}
|
|
|
|
USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize);
|
|
|
|
/* Re-establish the default pipe with the new max packet size. */
|
|
usbd_kill_pipe(dev->default_pipe);
|
|
err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL,
|
|
&dev->default_pipe);
|
|
if (err) {
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
err = usbd_reload_device_desc(dev);
|
|
if (err) {
|
|
DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc "
|
|
"failed\n", addr));
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
/* Set the address */
|
|
DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr));
|
|
err = usbd_set_address(dev, addr);
|
|
if (err) {
|
|
DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr));
|
|
err = USBD_SET_ADDR_FAILED;
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
/* Allow device time to set new address */
|
|
usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE);
|
|
dev->address = addr; /* New device address now */
|
|
bus->devices[addr] = dev;
|
|
|
|
/* Re-establish the default pipe with the new address. */
|
|
usbd_kill_pipe(dev->default_pipe);
|
|
err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL,
|
|
&dev->default_pipe);
|
|
if (err) {
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
/* 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));
|
|
|
|
err = usbd_probe_and_attach(parent, dev, port, addr);
|
|
if (err) {
|
|
usbd_remove_device(dev, up);
|
|
return (err);
|
|
}
|
|
|
|
usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev);
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
usbd_status
|
|
usbd_reload_device_desc(usbd_device_handle dev)
|
|
{
|
|
usbd_status err;
|
|
int i;
|
|
|
|
/* Get the full device descriptor. */
|
|
for (i = 0; i < 3; ++i) {
|
|
err = usbd_get_device_desc(dev, &dev->ddesc);
|
|
if (!err)
|
|
break;
|
|
usbd_delay_ms(dev, 200);
|
|
}
|
|
if (err)
|
|
return (err);
|
|
|
|
/* Figure out what's wrong with this device. */
|
|
dev->quirks = usbd_find_quirk(&dev->ddesc);
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
void
|
|
usbd_remove_device(usbd_device_handle dev, struct usbd_port *up)
|
|
{
|
|
DPRINTF(("usbd_remove_device: %p\n", dev));
|
|
|
|
if (dev->default_pipe != NULL)
|
|
usbd_kill_pipe(dev->default_pipe);
|
|
up->device = NULL;
|
|
dev->bus->devices[dev->address] = NULL;
|
|
|
|
free(dev, M_USB);
|
|
}
|
|
|
|
void
|
|
usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di,
|
|
int usedev)
|
|
{
|
|
struct usbd_port *p;
|
|
int i, err, s;
|
|
|
|
di->udi_bus = device_get_unit(dev->bus->bdev);
|
|
di->udi_addr = dev->address;
|
|
di->udi_cookie = dev->cookie;
|
|
usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev);
|
|
usbd_printBCD(di->udi_release, UGETW(dev->ddesc.bcdDevice));
|
|
di->udi_vendorNo = UGETW(dev->ddesc.idVendor);
|
|
di->udi_productNo = UGETW(dev->ddesc.idProduct);
|
|
di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice);
|
|
di->udi_class = dev->ddesc.bDeviceClass;
|
|
di->udi_subclass = dev->ddesc.bDeviceSubClass;
|
|
di->udi_protocol = dev->ddesc.bDeviceProtocol;
|
|
di->udi_config = dev->config;
|
|
di->udi_power = dev->self_powered ? 0 : dev->power;
|
|
di->udi_speed = dev->speed;
|
|
|
|
if (dev->subdevs != NULL) {
|
|
for (i = 0; dev->subdevs[i] && i < USB_MAX_DEVNAMES; i++) {
|
|
if (device_is_attached(dev->subdevs[i]))
|
|
strlcpy(di->udi_devnames[i],
|
|
device_get_nameunit(dev->subdevs[i]),
|
|
USB_MAX_DEVNAMELEN);
|
|
else
|
|
di->udi_devnames[i][0] = 0;
|
|
}
|
|
} else {
|
|
i = 0;
|
|
}
|
|
for (/*i is set */; i < USB_MAX_DEVNAMES; i++)
|
|
di->udi_devnames[i][0] = 0; /* empty */
|
|
|
|
if (dev->hub) {
|
|
for (i = 0;
|
|
i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) &&
|
|
i < dev->hub->hubdesc.bNbrPorts;
|
|
i++) {
|
|
p = &dev->hub->ports[i];
|
|
if (p->device)
|
|
err = p->device->address;
|
|
else {
|
|
s = UGETW(p->status.wPortStatus);
|
|
if (s & UPS_PORT_ENABLED)
|
|
err = USB_PORT_ENABLED;
|
|
else if (s & UPS_SUSPEND)
|
|
err = USB_PORT_SUSPENDED;
|
|
else if (s & UPS_PORT_POWER)
|
|
err = USB_PORT_POWERED;
|
|
else
|
|
err = USB_PORT_DISABLED;
|
|
}
|
|
di->udi_ports[i] = err;
|
|
}
|
|
di->udi_nports = dev->hub->hubdesc.bNbrPorts;
|
|
} else
|
|
di->udi_nports = 0;
|
|
}
|
|
|
|
void
|
|
usb_free_device(usbd_device_handle dev)
|
|
{
|
|
int ifcidx, nifc;
|
|
|
|
if (dev->default_pipe != NULL)
|
|
usbd_kill_pipe(dev->default_pipe);
|
|
if (dev->ifaces != NULL) {
|
|
nifc = dev->cdesc->bNumInterface;
|
|
for (ifcidx = 0; ifcidx < nifc; ifcidx++)
|
|
usbd_free_iface_data(dev, ifcidx);
|
|
free(dev->ifaces, M_USB);
|
|
}
|
|
if (dev->cdesc != NULL)
|
|
free(dev->cdesc, M_USB);
|
|
if (dev->subdevs != NULL)
|
|
free(dev->subdevs, M_USB);
|
|
if (dev->ifacenums != NULL)
|
|
free(dev->ifacenums, M_USB);
|
|
free(dev, M_USB);
|
|
}
|
|
|
|
/*
|
|
* The general mechanism for detaching drivers works as follows: Each
|
|
* driver is responsible for maintaining a reference count on the
|
|
* number of outstanding references to its softc (e.g. from
|
|
* processing hanging in a read or write). The detach method of the
|
|
* driver decrements this counter and flags in the softc that the
|
|
* driver is dying and then wakes any sleepers. It then sleeps on the
|
|
* softc. Each place that can sleep must maintain the reference
|
|
* count. When the reference count drops to -1 (0 is the normal value
|
|
* of the reference count) the a wakeup on the softc is performed
|
|
* signaling to the detach waiter that all references are gone.
|
|
*/
|
|
|
|
/*
|
|
* Called from process context when we discover that a port has
|
|
* been disconnected.
|
|
*/
|
|
void
|
|
usb_disconnect_port(struct usbd_port *up, device_t parent)
|
|
{
|
|
usbd_device_handle dev = up->device;
|
|
const char *hubname = device_get_nameunit(parent);
|
|
int i;
|
|
|
|
DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n",
|
|
up, dev, up->portno));
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (dev == NULL) {
|
|
printf("usb_disconnect_port: no device\n");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (dev->subdevs != NULL) {
|
|
DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n"));
|
|
for (i = 0; dev->subdevs[i]; i++) {
|
|
printf("%s: at %s", device_get_nameunit(dev->subdevs[i]),
|
|
hubname);
|
|
if (up->portno != 0)
|
|
printf(" port %d", up->portno);
|
|
printf(" (addr %d) disconnected\n", dev->address);
|
|
config_detach(dev->subdevs[i], DETACH_FORCE);
|
|
dev->subdevs[i] = NULL;
|
|
}
|
|
}
|
|
|
|
usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev);
|
|
dev->bus->devices[dev->address] = NULL;
|
|
up->device = NULL;
|
|
usb_free_device(dev);
|
|
}
|