--- /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