+++ /dev/null
-/*
- * Haiku Backend for libusb
- * Copyright © 2014 Akshay Jaggi <akshay1994.leo@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <new>
-#include <vector>
-
-#include "haiku_usb.h"
-
-USBRoster gUsbRoster;
-int32 gInitCount = 0;
-
-static int
-haiku_init(struct libusb_context *ctx)
-{
- if (atomic_add(&gInitCount, 1) == 0)
- return gUsbRoster.Start();
- return LIBUSB_SUCCESS;
-}
-
-static void
-haiku_exit(struct libusb_context *ctx)
-{
- UNUSED(ctx);
- if (atomic_add(&gInitCount, -1) == 1)
- gUsbRoster.Stop();
-}
-
-static int
-haiku_open(struct libusb_device_handle *dev_handle)
-{
- USBDevice *dev = *((USBDevice **)dev_handle->dev->os_priv);
- USBDeviceHandle *handle = new(std::nothrow) USBDeviceHandle(dev);
- if (handle == NULL)
- return LIBUSB_ERROR_NO_MEM;
- if (handle->InitCheck() == false) {
- delete handle;
- return LIBUSB_ERROR_NO_DEVICE;
- }
- *((USBDeviceHandle **)dev_handle->os_priv) = handle;
- return LIBUSB_SUCCESS;
-}
-
-static void
-haiku_close(struct libusb_device_handle *dev_handle)
-{
- USBDeviceHandle *handle = *((USBDeviceHandle **)dev_handle->os_priv);
- if (handle == NULL)
- return;
- delete handle;
- *((USBDeviceHandle **)dev_handle->os_priv) = NULL;
-}
-
-static int
-haiku_get_device_descriptor(struct libusb_device *device, unsigned char *buffer, int *host_endian)
-{
- USBDevice *dev = *((USBDevice **)device->os_priv);
- memcpy(buffer, dev->Descriptor(), DEVICE_DESC_LENGTH);
- *host_endian = 0;
- return LIBUSB_SUCCESS;
-}
-
-static int
-haiku_get_active_config_descriptor(struct libusb_device *device, unsigned char *buffer, size_t len, int *host_endian)
-{
- USBDevice *dev = *((USBDevice **)device->os_priv);
- const usb_configuration_descriptor *act_config = dev->ActiveConfiguration();
- if (len > act_config->total_length)
- return LIBUSB_ERROR_OVERFLOW;
- memcpy(buffer, act_config, len);
- *host_endian = 0;
- return LIBUSB_SUCCESS;
-}
-
-static int
-haiku_get_config_descriptor(struct libusb_device *device, uint8_t config_index, unsigned char *buffer, size_t len, int *host_endian)
-{
- USBDevice *dev = *((USBDevice **)device->os_priv);
- const usb_configuration_descriptor *config = dev->ConfigurationDescriptor(config_index);
- if (config == NULL) {
- usbi_err(DEVICE_CTX(device), "failed getting configuration descriptor");
- return LIBUSB_ERROR_INVALID_PARAM;
- }
- if (len > config->total_length)
- len = config->total_length;
- memcpy(buffer, config, len);
- *host_endian = 0;
- return len;
-}
-
-static int
-haiku_set_configuration(struct libusb_device_handle *dev_handle, int config)
-{
- USBDeviceHandle *handle= *((USBDeviceHandle **)dev_handle->os_priv);
- return handle->SetConfiguration(config);
-}
-
-static int
-haiku_claim_interface(struct libusb_device_handle *dev_handle, int interface_number)
-{
- USBDeviceHandle *handle = *((USBDeviceHandle **)dev_handle->os_priv);
- return handle->ClaimInterface(interface_number);
-}
-
-static int
-haiku_set_altsetting(struct libusb_device_handle *dev_handle, int interface_number, int altsetting)
-{
- USBDeviceHandle *handle = *((USBDeviceHandle **)dev_handle->os_priv);
- return handle->SetAltSetting(interface_number, altsetting);
-}
-
-static int
-haiku_release_interface(struct libusb_device_handle *dev_handle, int interface_number)
-{
- USBDeviceHandle *handle = *((USBDeviceHandle **)dev_handle->os_priv);
- haiku_set_altsetting(dev_handle,interface_number, 0);
- return handle->ReleaseInterface(interface_number);
-}
-
-static int
-haiku_submit_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *fLibusbTransfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- USBDeviceHandle *fDeviceHandle = *((USBDeviceHandle **)fLibusbTransfer->dev_handle->os_priv);
- return fDeviceHandle->SubmitTransfer(itransfer);
-}
-
-static int
-haiku_cancel_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *fLibusbTransfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- USBDeviceHandle *fDeviceHandle = *((USBDeviceHandle **)fLibusbTransfer->dev_handle->os_priv);
- return fDeviceHandle->CancelTransfer(*((USBTransfer **)usbi_transfer_get_os_priv(itransfer)));
-}
-
-static void
-haiku_clear_transfer_priv(struct usbi_transfer *itransfer)
-{
- USBTransfer *transfer = *((USBTransfer **)usbi_transfer_get_os_priv(itransfer));
- delete transfer;
- *((USBTransfer **)usbi_transfer_get_os_priv(itransfer)) = NULL;
-}
-
-static int
-haiku_handle_transfer_completion(struct usbi_transfer *itransfer)
-{
- USBTransfer *transfer = *((USBTransfer **)usbi_transfer_get_os_priv(itransfer));
-
- usbi_mutex_lock(&itransfer->lock);
- if (transfer->IsCancelled()) {
- delete transfer;
- *((USBTransfer **)usbi_transfer_get_os_priv(itransfer)) = NULL;
- usbi_mutex_unlock(&itransfer->lock);
- if (itransfer->transferred < 0)
- itransfer->transferred = 0;
- return usbi_handle_transfer_cancellation(itransfer);
- }
- libusb_transfer_status status = LIBUSB_TRANSFER_COMPLETED;
- if (itransfer->transferred < 0) {
- usbi_err(ITRANSFER_CTX(itransfer), "error in transfer");
- status = LIBUSB_TRANSFER_ERROR;
- itransfer->transferred = 0;
- }
- delete transfer;
- *((USBTransfer **)usbi_transfer_get_os_priv(itransfer)) = NULL;
- usbi_mutex_unlock(&itransfer->lock);
- return usbi_handle_transfer_completion(itransfer, status);
-}
-
-static int
-haiku_clock_gettime(int clkid, struct timespec *tp)
-{
- if (clkid == USBI_CLOCK_REALTIME)
- return clock_gettime(CLOCK_REALTIME, tp);
- if (clkid == USBI_CLOCK_MONOTONIC)
- return clock_gettime(CLOCK_MONOTONIC, tp);
- return LIBUSB_ERROR_INVALID_PARAM;
-}
-
-const struct usbi_os_backend usbi_backend = {
- /*.name =*/ "Haiku usbfs",
- /*.caps =*/ 0,
- /*.init =*/ haiku_init,
- /*.exit =*/ haiku_exit,
- /*.set_option =*/ NULL,
- /*.get_device_list =*/ NULL,
- /*.hotplug_poll =*/ NULL,
- /*.open =*/ haiku_open,
- /*.close =*/ haiku_close,
- /*.get_device_descriptor =*/ haiku_get_device_descriptor,
- /*.get_active_config_descriptor =*/ haiku_get_active_config_descriptor,
- /*.get_config_descriptor =*/ haiku_get_config_descriptor,
- /*.get_config_descriptor_by_value =*/ NULL,
-
-
- /*.get_configuration =*/ NULL,
- /*.set_configuration =*/ haiku_set_configuration,
- /*.claim_interface =*/ haiku_claim_interface,
- /*.release_interface =*/ haiku_release_interface,
-
- /*.set_interface_altsetting =*/ haiku_set_altsetting,
- /*.clear_halt =*/ NULL,
- /*.reset_device =*/ NULL,
-
- /*.alloc_streams =*/ NULL,
- /*.free_streams =*/ NULL,
-
- /*.dev_mem_alloc =*/ NULL,
- /*.dev_mem_free =*/ NULL,
-
- /*.kernel_driver_active =*/ NULL,
- /*.detach_kernel_driver =*/ NULL,
- /*.attach_kernel_driver =*/ NULL,
-
- /*.destroy_device =*/ NULL,
-
- /*.submit_transfer =*/ haiku_submit_transfer,
- /*.cancel_transfer =*/ haiku_cancel_transfer,
- /*.clear_transfer_priv =*/ haiku_clear_transfer_priv,
-
- /*.handle_events =*/ NULL,
- /*.handle_transfer_completion =*/ haiku_handle_transfer_completion,
-
- /*.clock_gettime =*/ haiku_clock_gettime,
-
-#ifdef USBI_TIMERFD_AVAILABLE
- /*.get_timerfd_clockid =*/ NULL,
-#endif
-
- /*.context_priv_size=*/ 0,
- /*.device_priv_size =*/ sizeof(USBDevice *),
- /*.device_handle_priv_size =*/ sizeof(USBDeviceHandle *),
- /*.transfer_priv_size =*/ sizeof(USBTransfer *),
-};
projects / rtmpclient.git / blobdiff