xref: /openbmc/linux/Documentation/ABI/testing/configfs-usb-gadget-midi2 (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
1 What:		/config/usb-gadget/gadget/functions/midi2.name
2 Date:		Jul 2023
3 KernelVersion:	6.6
4 Description:
5 		The attributes:
6 
7 		============	===============================================
8 		process_ump	Flag to process UMP Stream messages (0 or 1)
9 		static_block	Flag for static blocks (0 or 1)
10 		iface_name	MIDI interface name string
11 		============	===============================================
12 
13 What:		/config/usb-gadget/gadget/functions/midi2.name/ep.number
14 Date:		Jul 2023
15 KernelVersion:	6.6
16 Description:
17 		This group contains a UMP Endpoint configuration.
18 		A new Endpoint starts from 0, and can be up to 3.
19 
20 		The attributes:
21 
22 		=============	===============================================
23 		protocol_caps	MIDI protocol capabilities (1, 2 or 3 for both)
24 		protocol	Default MIDI protocol (1 or 2)
25 		ep_name		UMP Endpoint name string
26 		product_id	Product ID string
27 		manufacturer	Manufacture ID (24 bit)
28 		family		Device family ID (16 bit)
29 		model		Device model ID (16 bit)
30 		sw_revision	Software Revision (32 bit)
31 		=============	===============================================
32 
33 What:		/config/usb-gadget/gadget/functions/midi2.name/ep.number/block.number
34 Date:		Jul 2023
35 KernelVersion:	6.6
36 Description:
37 		This group contains a UMP Function Block configuration.
38 		A new block starts from 0, and can be up to 31.
39 
40 		The attributes:
41 
42 		=================	==============================================
43 		name			Function Block name string
44 		direction		1: input, 2: output, 3: bidirectional
45 		first_group		The first UMP Group number (0-15)
46 		num_groups		The number of groups in this FB (1-16)
47 		midi1_first_group	The first UMP Group number for MIDI 1.0 (0-15)
48 		midi1_num_groups	The number of groups for MIDI 1.0 (0-16)
49 		ui_hint			0: unknown, 1: receiver, 2: sender, 3: both
50 		midi_ci_verison		Supported MIDI-CI version number (8 bit)
51 		is_midi1		Legacy MIDI 1.0 device (0, 1 or 2)
52 		sysex8_streams		Max number of SysEx8 streams (8 bit)
53 		active			Active FB flag (0 or 1)
54 		=================	==============================================
55