linux/usb/audio.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3  * <linux/usb/audio.h> -- USB Audio definitions.
37 /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
47 /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
61 /* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */
64 /* A.9 Audio Class-Specific Request Codes */
104 #define UAC_CONTROL_BIT(CS)	(1 << ((CS) - 1))
106 /* A.10.3.1 Up/Down-mix Processing Unit Controls Selectors */
130 /* A.10.3.6 Dynamic Range Compressor Unit Control Selectors */
141 /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
146 /* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */
149 /* Terminals - 2.1 USB Terminal Types */
155 /* 4.3.2  Class-Specific AC Interface Descriptor */
196 /* Terminals - 2.2 Input Terminal Types */
205 /* Terminals - control selectors */
223 /* Terminals - 2.3 Output Terminal Types */
233 /* Terminals - 2.4 Bi-directional Terminal Types */
269 	return desc->baSourceID[desc->bNrInPins];  in uac_mixer_unit_bNrChannels()
276 		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |  in uac_mixer_unit_wChannelConfig()
277 			desc->baSourceID[desc->bNrInPins + 1];  in uac_mixer_unit_wChannelConfig()
279 		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |  in uac_mixer_unit_wChannelConfig()
280 			(desc->baSourceID[desc->bNrInPins + 3] << 16) |  in uac_mixer_unit_wChannelConfig()
281 			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |  in uac_mixer_unit_wChannelConfig()
282 			(desc->baSourceID[desc->bNrInPins + 1]);  in uac_mixer_unit_wChannelConfig()
289 		desc->baSourceID[desc->bNrInPins + 3] :  in uac_mixer_unit_iChannelNames()
290 		desc->baSourceID[desc->bNrInPins + 5];  in uac_mixer_unit_iChannelNames()
298 		return &desc->baSourceID[desc->bNrInPins + 4];  in uac_mixer_unit_bmControls()
300 		return &desc->baSourceID[desc->bNrInPins + 6];  in uac_mixer_unit_bmControls()
302 		return &desc->baSourceID[desc->bNrInPins + 2];  in uac_mixer_unit_bmControls()
310 	return (desc->baSourceID[desc->bNrInPins + 1] << 8) |  in uac3_mixer_unit_wClusterDescrID()
311 		desc->baSourceID[desc->bNrInPins];  in uac3_mixer_unit_wClusterDescrID()
317 	return raw[desc->bLength - 1];  in uac_mixer_unit_iMixer()
333 	return raw[desc->bLength - 1];  in uac_selector_unit_iSelector()
350 	return raw[desc->bLength - 1];  in uac_feature_unit_iFeature()
366 	return desc->baSourceID[desc->bNrInPins];  in uac_processing_unit_bNrChannels()
373 		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |  in uac_processing_unit_wChannelConfig()
374 			desc->baSourceID[desc->bNrInPins + 1];  in uac_processing_unit_wChannelConfig()
376 		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |  in uac_processing_unit_wChannelConfig()
377 			(desc->baSourceID[desc->bNrInPins + 3] << 16) |  in uac_processing_unit_wChannelConfig()
378 			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |  in uac_processing_unit_wChannelConfig()
379 			(desc->baSourceID[desc->bNrInPins + 1]);  in uac_processing_unit_wChannelConfig()
386 		desc->baSourceID[desc->bNrInPins + 3] :  in uac_processing_unit_iChannelNames()
387 		desc->baSourceID[desc->bNrInPins + 5];  in uac_processing_unit_iChannelNames()
395 		return desc->baSourceID[desc->bNrInPins + 4];  in uac_processing_unit_bControlSize()
410 		return &desc->baSourceID[desc->bNrInPins + 5];  in uac_processing_unit_bmControls()
412 		return &desc->baSourceID[desc->bNrInPins + 6];  in uac_processing_unit_bmControls()
414 		return &desc->baSourceID[desc->bNrInPins + 2];  in uac_processing_unit_bmControls()
456  * XU while 2 bytes for PU.  The last iExtension field is a one-byte index as
464 		return desc->baSourceID[desc->bNrInPins + 4];  in uac_extension_unit_bControlSize()
490 /* 4.5.2 Class-Specific AS Interface Descriptor */
502 /* Formats - A.1.1 Audio Data Format Type I Codes */
564 /* Formats - Audio Data Format Type I Codes */
599 /* Formats - A.2 Format Type Codes */