feat(class/audio/usb_audio): add audio altsetting desc init macros
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sakumisu
@@ -132,11 +132,11 @@
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#define AUDIO_FORMAT_ALAW 0x0004
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#define AUDIO_FORMAT_MULAW 0x0005
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#define AUDIO_V2_FORMAT_PCM 0x00000001
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#define AUDIO_V2_FORMAT_PCM8 0x00000002
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#define AUDIO_V2_FORMAT_IEEE_FLOAT 0x00000004
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#define AUDIO_V2_FORMAT_ALAW 0x00000008
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#define AUDIO_V2_FORMAT_MULAW 0x00000010
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#define AUDIO_V2_FORMAT_PCM 0x00000001
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#define AUDIO_V2_FORMAT_PCM8 0x00000002
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#define AUDIO_V2_FORMAT_IEEE_FLOAT 0x00000004
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#define AUDIO_V2_FORMAT_ALAW 0x00000008
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#define AUDIO_V2_FORMAT_MULAW 0x00000010
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/* bmChannelConfig: a bitmap field that indicates which spatial locations
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* are occupied by the channels present in the cluster. The bit allocations
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@@ -812,6 +812,60 @@ struct audio_cs_ep_ep_general_descriptor {
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#define AUDIO_AS_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07)
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#define AUDIO_AS_ALTSETTING_DESCRIPTOR_INIT(bInterfaceNumber, bAlternateSetting, bTerminalLink, bNrChannels, bSubFrameSize, bBitResolution, bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval, ...) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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bInterfaceNumber, /* bInterfaceNumber */ \
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bAlternateSetting, /* bAlternateSetting */ \
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0x01, /* bNumEndpoints */ \
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USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
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AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */ \
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0x00, /* iInterface */ \
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0x07, /* bLength */ \
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AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */ \
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bTerminalLink, /* bTerminalLink : Unit ID of the Output Terminal*/ \
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0x01, /* bDelay */ \
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WBVAL(AUDIO_FORMAT_PCM), /* wFormatTag : AUDIO_FORMAT_PCM */ \
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0x08 + PP_NARG(__VA_ARGS__), /* bLength */ \
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AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */ \
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AUDIO_FORMAT_TYPE_I, /* bFormatType */ \
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bNrChannels, /* bNrChannels */ \
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bSubFrameSize, /* bSubFrameSize : Bytes per audio subframe */ \
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bBitResolution, /* bBitResolution : bits per sample */ \
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(PP_NARG(__VA_ARGS__)/3), /* bSamFreqType : only one frequency supported */ \
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__VA_ARGS__, /* tSamFreq : Audio sampling frequency coded on 3 bytes */ \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
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bEndpointAddress, /* bEndpointAddress : IN endpoint 1 */ \
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bmAttributes, /* bmAttributes */ \
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WBVAL(wMaxPacketSize), /* wMaxPacketSize */ \
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bInterval, /* bInterval : one packet per frame */ \
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0x00, /* bRefresh */ \
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0x00, /* bSynchAddress */ \
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0x07, /* bLength */ \
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AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_ENDPOINT_GENERAL, /* bDescriptor */ \
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AUDIO_EP_CONTROL_SAMPLING_FEQ, /* bmAttributes AUDIO_SAMPLING_FREQ_CONTROL */ \
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0x00, /* bLockDelayUnits */ \
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0x00, /* wLockDelay */ \
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0x00
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#define AUDIO_AS_ALTSETTING_DESCRIPTOR_INIT_LEN(n) (0x09 + 0x07 + 0x08 + 3 * n + 0x09 + 0x07)
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#define AUDIO_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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bInterfaceNumber, /* bInterfaceNumber */ \
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0x00, /* bAlternateSetting */ \
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0x01, /* bNumEndpoints */ \
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USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
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AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */ \
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0x00 /* iInterface */
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#define AUDIO_MS_STANDARD_DESCRIPTOR_INIT(bInterfaceNumber, bNumEndpoints) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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@@ -1096,6 +1150,58 @@ struct audio_v2_control_range3_param_block {
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0x00, /* wLockDelay */ \
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0x00
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#define AUDIO_V2_AS_ALTSETTING_DESCRIPTOR_INIT(bInterfaceNumber, bAlternateSetting, bTerminalLink, bNrChannels, bmChannelConfig, bSubslotSize, bBitResolution, bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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bInterfaceNumber, /* bInterfaceNumber */ \
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bAlternateSetting, /* bAlternateSetting */ \
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0x01, /* bNumEndpoints */ \
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USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
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AUDIO_PROTOCOLv20, /* bInterfaceProtocol */ \
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0x00, /* iInterface */ \
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0x10, /* bLength */ \
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AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */ \
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bTerminalLink, /* bTerminalLink : Unit ID of the Output or Input Terminal*/ \
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0x00, /* bmControls */ \
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AUDIO_FORMAT_TYPE_I, /* bFormatType : AUDIO_FORMAT_TYPE_I */ \
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DBVAL(AUDIO_V2_FORMAT_PCM), /* bmFormats PCM */ \
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bNrChannels, /* bNrChannels */ \
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DBVAL(bmChannelConfig), /* bmChannelConfig */ \
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0x00, /* iChannelNames */ \
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0x06, /* bLength */ \
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AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */ \
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AUDIO_FORMAT_TYPE_I, /* bFormatType */ \
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bSubslotSize, /* bSubslotSize */ \
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bBitResolution, /* bBitResolution */ \
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0x07, /* bLength */ \
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USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
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bEndpointAddress, /* bEndpointAddress 3 out endpoint for Audio */ \
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bmAttributes, /* bmAttributes */ \
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WBVAL(wMaxPacketSize), /* XXXX wMaxPacketSize in Bytes (SampleRate * SlotByteSize * NumChannels) */ \
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bInterval, /* bInterval */ \
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0x08, /* bLength */ \
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AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */ \
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AUDIO_ENDPOINT_GENERAL, /* bDescriptor */ \
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0x00, /* bmAttributes */ \
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0x00, /* bmControls */ \
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0x00, /* bLockDelayUnits */ \
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0x00, /* wLockDelay */ \
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0x00
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#define AUDIO_V2_AS_ALTSETTING0_DESCRIPTOR_INIT(bInterfaceNumber) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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bInterfaceNumber, /* bInterfaceNumber */ \
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0x00, /* bAlternateSetting */ \
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0x01, /* bNumEndpoints */ \
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USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */ \
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AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */ \
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AUDIO_PROTOCOLv20, /* bInterfaceProtocol */ \
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0x00 /* iInterface */
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#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT(bInterfaceNumber, bTerminalLink, bNrChannels, bmChannelConfig, bSubslotSize, bBitResolution, bEndpointAddress, wMaxPacketSize, bInterval, bFeedbackEndpointAddress) \
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0x09, /* bLength */ \
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USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
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@@ -1150,12 +1256,13 @@ struct audio_v2_control_range3_param_block {
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bFeedbackEndpointAddress, /* bFeedbackEndpointAddress Revise Dir to bEndpointAddress */ \
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0x11, /* bmAttributes: TransferType=Isochronous SyncType=None EndpointType=Feedback */ \
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WBVAL(4), /* XXXX wMaxPacketSize in Bytes */ \
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bInterval /* bInterval */ \
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bInterval /* bInterval */
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// clang-format on
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#define AUDIO_V2_AS_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08)
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#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08 + 0x07)
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#define AUDIO_V2_AS_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08)
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#define AUDIO_V2_AS_ALTSETTING_DESCRIPTOR_INIT_LEN (0x09 + 0x10 + 0x06 + 0x07 + 0x08)
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#define AUDIO_V2_AS_FEEDBACK_DESCRIPTOR_INIT_LEN (0x09 + 0x09 + 0x10 + 0x06 + 0x07 + 0x08 + 0x07)
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#define AUDIO_SAMPLE_FREQ_NUM(num) (uint8_t)(num), (uint8_t)((num >> 8))
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#define AUDIO_SAMPLE_FREQ_3B(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
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