X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/3e044872790072838c2d1d0370b98b6ebf4fea93..eb2e883fd35b5332a7425488105a7adb500ce3fe:/LUFA/Drivers/USB/Class/Host/Audio.c diff --git a/LUFA/Drivers/USB/Class/Host/Audio.c b/LUFA/Drivers/USB/Class/Host/Audio.c deleted file mode 100644 index d8665e4ea..000000000 --- a/LUFA/Drivers/USB/Class/Host/Audio.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -#define __INCLUDE_FROM_USB_DRIVER -#include "../../Core/USBMode.h" - -#if defined(USB_CAN_BE_HOST) - -#define __INCLUDE_FROM_AUDIO_DRIVER -#define __INCLUDE_FROM_AUDIO_HOST_C -#include "Audio.h" - -uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - uint16_t ConfigDescriptorSize, - void* ConfigDescriptorData) -{ - USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; - USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; - USB_Descriptor_Interface_t* AudioControlInterface = NULL; - USB_Descriptor_Interface_t* AudioStreamingInterface = NULL; - - memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State)); - - if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return AUDIO_ENUMERROR_InvalidConfigDescriptor; - - while ((AudioInterfaceInfo->Config.DataINPipeNumber && !(DataINEndpoint)) || - (AudioInterfaceInfo->Config.DataOUTPipeNumber && !(DataOUTEndpoint))) - { - if (!(AudioControlInterface) || - USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - if (!(AudioControlInterface) || - USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_Audio_Host_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return AUDIO_ENUMERROR_NoCompatibleInterfaceFound; - } - - AudioControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return AUDIO_ENUMERROR_NoCompatibleInterfaceFound; - } - } - - AudioStreamingInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); - - DataINEndpoint = NULL; - DataOUTEndpoint = NULL; - - continue; - } - - USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); - - if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) - DataINEndpoint = EndpointData; - else - DataOUTEndpoint = EndpointData; - } - - for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) - { - uint16_t Size; - uint8_t Type; - uint8_t Token; - uint8_t EndpointAddress; - bool DoubleBanked; - - if (PipeNum == AudioInterfaceInfo->Config.DataINPipeNumber) - { - Size = le16_to_cpu(DataINEndpoint->EndpointSize); - EndpointAddress = DataINEndpoint->EndpointAddress; - Token = PIPE_TOKEN_IN; - Type = EP_TYPE_ISOCHRONOUS; - DoubleBanked = true; - - AudioInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; - } - else if (PipeNum == AudioInterfaceInfo->Config.DataOUTPipeNumber) - { - Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); - EndpointAddress = DataOUTEndpoint->EndpointAddress; - Token = PIPE_TOKEN_OUT; - Type = EP_TYPE_ISOCHRONOUS; - DoubleBanked = true; - - AudioInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; - } - else - { - continue; - } - - if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size, - DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE))) - { - return AUDIO_ENUMERROR_PipeConfigurationFailed; - } - } - - AudioInterfaceInfo->State.ControlInterfaceNumber = AudioControlInterface->InterfaceNumber; - AudioInterfaceInfo->State.StreamingInterfaceNumber = AudioStreamingInterface->InterfaceNumber; - AudioInterfaceInfo->State.EnabledStreamingAltIndex = AudioStreamingInterface->AlternateSetting; - AudioInterfaceInfo->State.IsActive = true; - - return AUDIO_ENUMERROR_NoError; -} - -static uint8_t DCOMP_Audio_Host_NextAudioControlInterface(void* CurrentDescriptor) -{ - USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); - - if (Header->Type == DTYPE_Interface) - { - USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); - - if ((Interface->Class == AUDIO_CSCP_AudioClass) && - (Interface->SubClass == AUDIO_CSCP_ControlSubclass) && - (Interface->Protocol == AUDIO_CSCP_ControlProtocol)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DCOMP_Audio_Host_NextAudioStreamInterface(void* CurrentDescriptor) -{ - USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); - - if (Header->Type == DTYPE_Interface) - { - USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); - - if ((Interface->Class == AUDIO_CSCP_AudioClass) && - (Interface->SubClass == AUDIO_CSCP_AudioStreamingSubclass) && - (Interface->Protocol == AUDIO_CSCP_StreamingProtocol)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor) -{ - USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); - - if (Header->Type == DTYPE_Endpoint) - { - USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t); - - if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_ISOCHRONOUS) - return DESCRIPTOR_SEARCH_Found; - } - else if (Header->Type == DTYPE_Interface) - { - return DESCRIPTOR_SEARCH_Fail; - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -uint8_t Audio_Host_StartStopStreaming(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const bool EnableStreaming) -{ - if (!(AudioInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - return USB_Host_SetInterfaceAltSetting(AudioInterfaceInfo->State.StreamingInterfaceNumber, - EnableStreaming ? AudioInterfaceInfo->State.EnabledStreamingAltIndex : 0); -} - -uint8_t Audio_Host_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const uint8_t DataPipeIndex, - const uint8_t EndpointProperty, - const uint8_t EndpointControl, - const uint16_t DataLength, - void* const Data) -{ - if (!(AudioInterfaceInfo->State.IsActive)) - return HOST_SENDCONTROL_DeviceDisconnected; - - uint8_t RequestType; - uint8_t EndpointAddress; - - if (EndpointProperty & 0x80) - RequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT); - else - RequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT); - - Pipe_SelectPipe(DataPipeIndex); - EndpointAddress = Pipe_GetBoundEndpointAddress(); - - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = RequestType, - .bRequest = EndpointProperty, - .wValue = ((uint16_t)EndpointControl << 8), - .wIndex = EndpointAddress, - .wLength = DataLength, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(Data); -} - -#endif -