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/Documentation/devicetree/bindings/sound/
Dserial-midi.yaml5 $id: http://devicetree.org/schemas/sound/serial-midi.yaml#
8 title: Generic Serial MIDI Interface
14 Generic MIDI interface using a serial device. This denotes that a serial device is
15 dedicated to MIDI communication, either to an external MIDI device through a DIN5
16 or other connector, or to a known hardwired MIDI controller. This device must be a
20 parent serial device. If the standard MIDI baud of 31.25 kBaud is needed
21 (as would be the case if interfacing with arbitrary external MIDI devices),
23 results in the standard MIDI baud rate, and set the 'current-speed' property to 38400 (default)
30 const: serial-midi
33 description: Baudrate to set the serial port to when this MIDI device is opened.
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/Documentation/sound/designs/
Dmidi-2.0.rst2 MIDI 2.0 on Linux
8 MIDI 2.0 is an extended protocol for providing higher resolutions and
9 more fine controls over the legacy MIDI 1.0. The fundamental changes
10 introduced for supporting MIDI 2.0 are:
12 - Support of Universal MIDI Packet (UMP)
13 - Support of MIDI 2.0 protocol messages
14 - Transparent conversions between UMP and legacy MIDI 1.0 byte stream
15 - MIDI-CI for property and profile configurations
17 UMP is a new container format to hold all MIDI protocol 1.0 and MIDI
21 16 MIDI channels.
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Dseq-oss.rst22 * Normal sequencer and MIDI events:
53 However, each MIDI device is exclusive - that is, if a MIDI device
81 At beginning, this module probes all the MIDI ports which have been
85 The available synth and MIDI devices can be found in proc interface.
101 Number of MIDI devices: 3
102 midi 0: [Emu8000 Port-0] ALSA port 65:0
105 midi 1: [Emu8000 Port-1] ALSA port 65:1
108 midi 2: [0: MPU-401 (UART)] ALSA port 64:0
127 Using MIDI Devices
130 So far, only MIDI output was tested. MIDI input was not checked at all,
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Doss-emulation.rst55 MIDI:
73 As seen above, PCM and MIDI may have two devices. Usually, the first
75 device (``hw:0,1``) to /dev/adsp (if available). For MIDI, /dev/midi and
102 To change the mapping of MIDI devices, the following options are
106 MIDI device number assigned to /dev/midi0X
109 MIDI device number assigned to /dev/amidi0X
112 For example, to assign the third MIDI device on the first card to
Dindex.rst19 midi-2.0
Dprocfile.rst72 The status of MIDI I/O is found in ``midi*`` files. It shows the device
73 name and the received/transmitted bytes through the MIDI device.
231 for USB audio/midi,
/Documentation/sound/cards/
Dserial-u16550.rst2 Serial UART 16450/16550 MIDI driver
16 In Roland Soundcanvas mode, multiple ALSA raw MIDI substreams are supported
18 sends the nonstandard MIDI command sequence F5 NN, where NN is the substream
20 "parts", so this feature lets you treat each part as a distinct raw MIDI
30 Usage example for Roland SoundCanvas with 4 MIDI ports:
36 In MS-124T mode, one raw MIDI substream is supported (midiCnD0); the outs
38 all four MIDI Out connectors. Set the A-B switch and the speed module
48 In MS-124W S/A mode, one raw MIDI substream is supported (midiCnD0);
50 the same data to all four MIDI Out connectors at full MIDI speed.
58 In MS-124W M/B mode, the driver supports 16 ALSA raw MIDI substreams;
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Dcmipci.rst227 MIDI CONTROLLER
232 to enable MIDI support. Valid I/O ports are 0x300, 0x310, 0x320 and
235 With CMI8738 and newer chips, the MIDI interface is enabled by default
240 What's said as MIDI synth on Windows is a software synthesizer
242 playing MIDI music.
Daudiophile-usb.rst31 The device has 4 audio interfaces, and 2 MIDI ports:
42 * Midi In (Mi)
43 * Midi Out (Mo)
87 Audiophile USB MIDI support in ALSA
90 The Audiophile USB MIDI ports will be automatically supported once the
94 * snd-seq-midi
420 - MIDI interface compliant with the MIDIMAN quirk
Demu-mixer.rst145 This control is used to attenuate samples from left and right MIDI FX-bus
146 accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
151 These controls are used to attenuate samples from left and right MIDI FX-bus
152 accumulator. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
Daudigy-mixer.rst92 This control is used to attenuate samples from left and right MIDI FX-bus
93 accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
98 These controls are used to attenuate samples from left and right MIDI FX-bus
99 accumulator. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
Dsb-live-mixer.rst98 This control is used to attenuate samples from left and right MIDI FX-bus
99 accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
104 These controls are used to attenuate samples from left and right MIDI FX-bus
105 accumulator. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
/Documentation/ABI/testing/
Dconfigfs-usb-gadget-midi1 What: /config/usb-gadget/gadget/functions/midi.name
8 index index value for the USB MIDI adapter
9 id ID string for the USB MIDI adapter
10 buflen MIDI buffer length
12 in_ports number of MIDI input ports
13 out_ports number of MIDI output ports
Dsysfs-driver-hid-prodikeys6 Allows control (via software) the midi channel to which
7 that the pc-midi keyboard will output.midi data.
16 note held by the pc-midi driver.
25 Controls the octave shift modifier in the pc-midi driver.
Dconfigfs-usb-gadget-midi210 iface_name MIDI interface name string
23 protocol_caps MIDI protocol capabilities (1, 2 or 3 for both)
24 protocol Default MIDI protocol (1 or 2)
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)
50 midi_ci_verison Supported MIDI-CI version number (8 bit)
51 is_midi1 Legacy MIDI 1.0 device (0, 1 or 2)
/Documentation/usb/
Dgadget-testing.rst18 9. MIDI function
360 9. MIDI function
368 The function name to use when creating the function directory is "midi".
369 The MIDI function provides these attributes in its function directory:
372 buflen MIDI buffer length
373 id ID string for the USB MIDI adapter
374 in_ports number of MIDI input ports
375 index index value for the USB MIDI adapter
376 out_ports number of MIDI output ports
380 Testing the MIDI function
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/Documentation/sound/kernel-api/
Dalsa-driver-api.rst66 MIDI API
69 Raw MIDI API
Dwriting-an-alsa-driver.rst76 as snd-seq-midi, snd-seq-virmidi, etc. They are compiled only when
98 For example, the dummy PCM driver and the serial MIDI driver are found
155 The USB MIDI driver is integrated in the usb-audio driver.
441 5) Create other components, such as mixer, MIDI, etc.
445 mixer (e.g. `AC97 <API for AC97 Codec_>`__), MIDI (e.g.
446 `MPU-401 <MIDI (MPU401-UART) Interface_>`__), and other interfaces.
527 MIDI, synthesizer, and so on. Also, the card record holds the ID and the
557 can be a PCM instance, a control interface, a raw MIDI interface, etc.
2919 MIDI (MPU401-UART) Interface
2925 Many soundcards have built-in MIDI (MPU401-UART) interfaces. When the
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/Documentation/sound/
Dalsa-configuration.rst97 MIDI device number maps assigned to the 1st OSS device;
100 MIDI device number maps assigned to the 2nd OSS device;
518 port address of MIDI interface (8338 only):
1327 Joystick/MIDI ports are not supported by this driver. If your
1362 midi
1363 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1393 midi
1394 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1636 Module for MOTU MidiTimePiece AV multiport MIDI (on the parallel
1876 Module for Midiman Portman 2x4 parallel port MIDI interface
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/Documentation/devicetree/bindings/spi/
Dspi-peripheral-props.yaml116 st,spi-midi-ns:
/Documentation/admin-guide/
Ddevices.txt433 2 = /dev/midi00 First MIDI port
441 18 = /dev/midi01 Second MIDI port
445 34 = /dev/midi02 Third MIDI port
446 50 = /dev/midi03 Fourth MIDI port
678 31 char MPU-401 MIDI
737 35 char tclmidi MIDI driver
738 0 = /dev/midi0 First MIDI port, kernel timed
739 1 = /dev/midi1 Second MIDI port, kernel timed
740 2 = /dev/midi2 Third MIDI port, kernel timed
741 3 = /dev/midi3 Fourth MIDI port, kernel timed
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/Documentation/userspace-api/media/mediactl/
Dmedia-types.rst342 - Device node interface for ALSA Raw MIDI
343 - typically, /dev/snd/midi?
/Documentation/arch/m68k/
Dkernel-options.rst207 - "midi":
208 The MIDI port; parameters: 31250bps, 8N1
673 midi:
674 set RTS of the MIDI ACIA high