/* $FreeBSD$ */
/*-
* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/queue.h>
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include "libusb20.h"
#include "libusb20_desc.h"
#include "libusb20_int.h"
#include "libusb.h"
#include "libusb10.h"
/* USB descriptors */
int
libusb_get_device_descriptor(libusb_device * dev,
struct libusb_device_descriptor *desc)
{
struct LIBUSB20_DEVICE_DESC_DECODED *pdesc;
struct libusb20_device *pdev;
libusb_context *ctx;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor enter");
if ((dev == NULL) || (desc == NULL))
return (LIBUSB_ERROR_INVALID_PARAM);
pdev = dev->os_priv;
pdesc = libusb20_dev_get_device_desc(pdev);
desc->bLength = pdesc->bLength;
desc->bDescriptorType = pdesc->bDescriptorType;
desc->bcdUSB = pdesc->bcdUSB;
desc->bDeviceClass = pdesc->bDeviceClass;
desc->bDeviceSubClass = pdesc->bDeviceSubClass;
desc->bDeviceProtocol = pdesc->bDeviceProtocol;
desc->bMaxPacketSize0 = pdesc->bMaxPacketSize0;
desc->idVendor = pdesc->idVendor;
desc->idProduct = pdesc->idProduct;
desc->bcdDevice = pdesc->bcdDevice;
desc->iManufacturer = pdesc->iManufacturer;
desc->iProduct = pdesc->iProduct;
desc->iSerialNumber = pdesc->iSerialNumber;
desc->bNumConfigurations = pdesc->bNumConfigurations;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_device_descriptor leave");
return (0);
}
int
libusb_get_active_config_descriptor(libusb_device * dev,
struct libusb_config_descriptor **config)
{
struct libusb20_device *pdev;
libusb_context *ctx;
uint8_t idx;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor enter");
pdev = dev->os_priv;
idx = libusb20_dev_get_config_index(pdev);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_active_config_descriptor leave");
return (libusb_get_config_descriptor(dev, idx, config));
}
/*
* XXX Need to check if extra need a dup because
* XXX free pconf could free this char *
*/
int
libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index,
struct libusb_config_descriptor **config)
{
struct libusb20_device *pdev;
struct libusb20_config *pconf;
struct libusb20_interface *pinf;
struct libusb20_endpoint *pend;
libusb_interface_descriptor *ifd;
libusb_endpoint_descriptor *endd;
libusb_context *ctx;
uint8_t nif, nend, nalt, i, j, k;
uint32_t if_idx, endp_idx;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor enter");
if (dev == NULL || config == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
pdev = dev->os_priv;
pconf = libusb20_dev_alloc_config(pdev, config_index);
if (pconf == NULL)
return (LIBUSB_ERROR_NOT_FOUND);
nalt = nif = pconf->num_interface;
nend = 0;
for (i = 0 ; i < nif ; i++) {
if (pconf->interface[i].num_altsetting > 0)
{
nalt += pconf->interface[i].num_altsetting;
for (j = 0 ; j < nalt ; j++) {
nend += pconf->interface[i].altsetting[j].num_endpoints;
}
}
nend += pconf->interface[i].num_endpoints;
}
*config = malloc(sizeof(libusb_config_descriptor) +
(nif * sizeof(libusb_interface)) +
(nalt * sizeof(libusb_interface_descriptor)) +
(nend * sizeof(libusb_endpoint_descriptor)));
if (*config == NULL) {
free(pconf);
return (LIBUSB_ERROR_NO_MEM);
}
(*config)->interface = (libusb_interface *)(*config +
sizeof(libusb_config_descriptor));
for (i = if_idx = endp_idx = 0 ; i < nif ; if_idx, i++) {
(*config)->interface[i].altsetting = (libusb_interface_descriptor *)
(*config + sizeof(libusb_config_descriptor) +
(nif * sizeof(libusb_interface)) +
(if_idx * sizeof(libusb_interface_descriptor)));
(*config)->interface[i].altsetting[0].endpoint =
(libusb_endpoint_descriptor *) (*config +
sizeof(libusb_config_descriptor) +
(nif * sizeof(libusb_interface)) +
(nalt * sizeof(libusb_interface_descriptor)) +
(endp_idx * sizeof(libusb_endpoint_descriptor)));
endp_idx += pconf->interface[i].num_endpoints;
if (pconf->interface[i].num_altsetting > 0)
{
for (j = 0 ; j < pconf->interface[i].num_altsetting ; j++, if_idx++) {
(*config)->interface[i].altsetting[j + 1].endpoint =
(libusb_endpoint_descriptor *) (*config +
sizeof(libusb_config_descriptor) +
(nif * sizeof(libusb_interface)) +
(nalt * sizeof(libusb_interface_descriptor)) +
(endp_idx * sizeof(libusb_endpoint_descriptor)));
endp_idx += pconf->interface[i].altsetting[j].num_endpoints;
}
}
}
(*config)->bLength = pconf->desc.bLength;
(*config)->bDescriptorType = pconf->desc.bDescriptorType;
(*config)->wTotalLength = pconf->desc.wTotalLength;
(*config)->bNumInterfaces = pconf->desc.bNumInterfaces;
(*config)->bConfigurationValue = pconf->desc.bConfigurationValue;
(*config)->iConfiguration = pconf->desc.iConfiguration;
(*config)->bmAttributes = pconf->desc.bmAttributes;
(*config)->MaxPower = pconf->desc.bMaxPower;
(*config)->extra_length = pconf->extra.len;
if ((*config)->extra_length != 0)
(*config)->extra = pconf->extra.ptr;
for (i = 0 ; i < nif ; i++) {
pinf = &pconf->interface[i];
(*config)->interface[i].num_altsetting = pinf->num_altsetting + 1;
for (j = 0 ; j < (*config)->interface[i].num_altsetting ; j++) {
if (j != 0)
pinf = &pconf->interface[i].altsetting[j - 1];
ifd = &(*config)->interface[i].altsetting[j];
ifd->bLength = pinf->desc.bLength;
ifd->bDescriptorType = pinf->desc.bDescriptorType;
ifd->bInterfaceNumber = pinf->desc.bInterfaceNumber;
ifd->bAlternateSetting = pinf->desc.bAlternateSetting;
ifd->bNumEndpoints = pinf->desc.bNumEndpoints;
ifd->bInterfaceClass = pinf->desc.bInterfaceClass;
ifd->bInterfaceSubClass = pinf->desc.bInterfaceSubClass;
ifd->bInterfaceProtocol = pinf->desc.bInterfaceProtocol;
ifd->iInterface = pinf->desc.iInterface;
ifd->extra_length = pinf->extra.len;
if (ifd->extra_length != 0)
ifd->extra = pinf->extra.ptr;
for (k = 0 ; k < pinf->num_endpoints ; k++) {
pend = &pinf->endpoints[k];
endd = &ifd->endpoint[k];
endd->bLength = pend->desc.bLength;
endd->bDescriptorType = pend->desc.bDescriptorType;
endd->bEndpointAddress = pend->desc.bEndpointAddress;
endd->bmAttributes = pend->desc.bmAttributes;
endd->wMaxPacketSize = pend->desc.wMaxPacketSize;
endd->bInterval = pend->desc.bInterval;
endd->bRefresh = pend->desc.bRefresh;
endd->bSynchAddress = pend->desc.bSynchAddress;
endd->extra_length = pend->extra.len;
if (endd->extra_length != 0)
endd->extra = pend->extra.ptr;
}
}
}
free(pconf);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor leave");
return (0);
}
int
libusb_get_config_descriptor_by_value(libusb_device * dev,
uint8_t bConfigurationValue, struct libusb_config_descriptor **config)
{
struct LIBUSB20_DEVICE_DESC_DECODED *pdesc;
struct libusb20_device *pdev;
struct libusb20_config *pconf;
libusb_context *ctx;
int i;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value enter");
if (dev == NULL || config == NULL)
return (LIBUSB_ERROR_INVALID_PARAM);
pdev = dev->os_priv;
pdesc = libusb20_dev_get_device_desc(pdev);
for (i = 0 ; i < pdesc->bNumConfigurations ; i++) {
pconf = libusb20_dev_alloc_config(pdev, i);
if (pconf->desc.bConfigurationValue == bConfigurationValue) {
free(pconf);
return libusb_get_config_descriptor(dev, i, config);
}
free(pconf);
}
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_config_descriptor_by_value leave");
return (LIBUSB_ERROR_NOT_FOUND);
}
void
libusb_free_config_descriptor(struct libusb_config_descriptor *config)
{
libusb_context *ctx;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor enter");
free(config);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_free_config_descriptor leave");
}
int
libusb_get_string_descriptor_ascii(libusb_device_handle * dev,
uint8_t desc_index, unsigned char *data, int length)
{
struct libusb20_device *pdev;
libusb_context *ctx;
int ret;
ctx = NULL;
GET_CONTEXT(ctx);
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii enter");
if (dev == NULL || data == NULL)
return (LIBUSB20_ERROR_INVALID_PARAM);
pdev = dev->os_priv;
dprintf(ctx, LIBUSB_DEBUG_FUNCTION, "libusb_get_string_descriptor_ascii leave");
if (libusb20_dev_req_string_simple_sync(pdev, desc_index,
data, length) == 0)
return (strlen(data));
return (LIBUSB_ERROR_OTHER);
}
