10529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch// Copyright 2014 The Chromium Authors. All rights reserved. 290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// found in the LICENSE file. 490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 5cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/usb_service/usb_interface_impl.h" 690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "base/logging.h" 890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "third_party/libusb/src/libusb/libusb.h" 990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 100529e5d033099cbfc42635f6f6183833b09dff6eBen Murdochnamespace usb_service { 110529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 12cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbEndpointDescriptorImpl::UsbEndpointDescriptorImpl( 1390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) scoped_refptr<const UsbConfigDescriptor> config, 1490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PlatformUsbEndpointDescriptor descriptor) 1590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) : config_(config), descriptor_(descriptor) { 1690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 1790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 18cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbEndpointDescriptorImpl::~UsbEndpointDescriptorImpl() { 190529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} 2090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 21cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbEndpointDescriptorImpl::GetAddress() const { 2290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_ADDRESS_MASK; 2390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 2490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 25cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbEndpointDirection UsbEndpointDescriptorImpl::GetDirection() const { 2690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) switch (descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) { 2790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ENDPOINT_IN: 2890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_DIRECTION_INBOUND; 2990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ENDPOINT_OUT: 3090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_DIRECTION_OUTBOUND; 3190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) default: 3290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) NOTREACHED(); 3390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_DIRECTION_INBOUND; 3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } 3590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 3690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 37cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbEndpointDescriptorImpl::GetMaximumPacketSize() const { 3890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->wMaxPacketSize; 3990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 4090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 41cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbSynchronizationType 42cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UsbEndpointDescriptorImpl::GetSynchronizationType() const { 4390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) switch (descriptor_->bmAttributes & LIBUSB_ISO_SYNC_TYPE_MASK) { 4490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_SYNC_TYPE_NONE: 4590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_SYNCHRONIZATION_NONE; 4690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_SYNC_TYPE_ASYNC: 4790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_SYNCHRONIZATION_ASYNCHRONOUS; 4890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_SYNC_TYPE_ADAPTIVE: 4990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_SYNCHRONIZATION_ADAPTIVE; 5090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_SYNC_TYPE_SYNC: 5190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_SYNCHRONIZATION_SYNCHRONOUS; 5290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) default: 5390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) NOTREACHED(); 5490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_SYNCHRONIZATION_NONE; 5590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } 5690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 5790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 58cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbTransferType UsbEndpointDescriptorImpl::GetTransferType() const { 5990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) switch (descriptor_->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) { 6090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_TRANSFER_TYPE_CONTROL: 6190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_TRANSFER_CONTROL; 6290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: 6390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_TRANSFER_ISOCHRONOUS; 6490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_TRANSFER_TYPE_BULK: 6590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_TRANSFER_BULK; 6690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_TRANSFER_TYPE_INTERRUPT: 6790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_TRANSFER_INTERRUPT; 6890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) default: 6990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) NOTREACHED(); 7090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_TRANSFER_CONTROL; 7190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } 7290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 7390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 74cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbUsageType UsbEndpointDescriptorImpl::GetUsageType() const { 7590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) switch (descriptor_->bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { 7690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_USAGE_TYPE_DATA: 7790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_USAGE_DATA; 7890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: 7990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_USAGE_FEEDBACK; 8090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: 8190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_USAGE_EXPLICIT_FEEDBACK; 8290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) default: 8390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) NOTREACHED(); 8490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return USB_USAGE_DATA; 8590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } 8690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 8790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 88cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbEndpointDescriptorImpl::GetPollingInterval() const { 8990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bInterval; 9090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 9190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 92cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceAltSettingDescriptorImpl::UsbInterfaceAltSettingDescriptorImpl( 9390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) scoped_refptr<const UsbConfigDescriptor> config, 9490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PlatformUsbInterfaceDescriptor descriptor) 9590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) : config_(config), descriptor_(descriptor) { 9690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 9790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 98cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceAltSettingDescriptorImpl::~UsbInterfaceAltSettingDescriptorImpl() { 990529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} 10090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 101cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)size_t UsbInterfaceAltSettingDescriptorImpl::GetNumEndpoints() const { 10290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bNumEndpoints; 10390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 10490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 10590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)scoped_refptr<const UsbEndpointDescriptor> 106cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceAltSettingDescriptorImpl::GetEndpoint(size_t index) const { 107cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return new UsbEndpointDescriptorImpl(config_, &descriptor_->endpoint[index]); 10890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 10990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 110cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceNumber() const { 11190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bInterfaceNumber; 11290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 11390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbInterfaceAltSettingDescriptorImpl::GetAlternateSetting() const { 11590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bAlternateSetting; 11690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 11790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 118cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceClass() const { 11990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bInterfaceClass; 12090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 12190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 122cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceSubclass() const { 12390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bInterfaceSubClass; 12490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 12590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 126cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceProtocol() const { 12790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return descriptor_->bInterfaceProtocol; 12890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 12990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 130cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceDescriptorImpl::UsbInterfaceDescriptorImpl( 131424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) scoped_refptr<const UsbConfigDescriptor> config, 13290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PlatformUsbInterface usbInterface) 13390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) : config_(config), interface_(usbInterface) { 13490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 13590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 136cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceDescriptorImpl::~UsbInterfaceDescriptorImpl() { 1370529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} 13890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 139cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)size_t UsbInterfaceDescriptorImpl::GetNumAltSettings() const { 14090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return interface_->num_altsetting; 14190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 14290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 143424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)scoped_refptr<const UsbInterfaceAltSettingDescriptor> 144cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbInterfaceDescriptorImpl::GetAltSetting(size_t index) const { 145cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return new UsbInterfaceAltSettingDescriptorImpl( 146cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) config_, &interface_->altsetting[index]); 14790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 14890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 149cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbConfigDescriptorImpl::UsbConfigDescriptorImpl( 150cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PlatformUsbConfigDescriptor config) 151424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) : config_(config) { 152cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(config); 15390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 15490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 155cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)UsbConfigDescriptorImpl::~UsbConfigDescriptorImpl() { 156cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) libusb_free_config_descriptor(config_); 157010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 158010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 159cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)size_t UsbConfigDescriptorImpl::GetNumInterfaces() const { 16090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return config_->bNumInterfaces; 16190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 16290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 163cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)scoped_refptr<const UsbInterfaceDescriptor> 164cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UsbConfigDescriptorImpl::GetInterface(size_t index) const { 165cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return new UsbInterfaceDescriptorImpl(this, &config_->interface[index]); 16690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 1670529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 1680529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} // namespace usb_service 169