sound/firewire/tascam/tascam-midi.c

File Facts

System

Linux kernel

Corpus path

sound/firewire/tascam/tascam-midi.c

Extension

.c

Size

3360 bytes

Lines

130

Domain

Driver Families

Bucket

sound/firewire

Inferred role

Driver Families: implementation source

Status

source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• tascam.h

Detected Declarations

• function Copyright
• function midi_playback_open
• function midi_capture_close
• function midi_playback_close
• function midi_playback_drain
• function midi_capture_trigger
• function midi_playback_trigger
• function snd_tscm_create_midi_devices

Annotated Snippet

if (subs->number < tscm->spec->midi_capture_ports) {
			/* Hardware MIDI ports. */
			scnprintf(subs->name, sizeof(subs->name),
				  "%s MIDI %d",
				  tscm->card->shortname, subs->number + 1);
		}
	}

	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT;
	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
			    &playback_ops);
	stream = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT];

	/* Set port names for MIDI ourput. */
	list_for_each_entry(subs, &stream->substreams, list) {
		if (subs->number < tscm->spec->midi_playback_ports) {
			/* Hardware MIDI ports only. */
			scnprintf(subs->name, sizeof(subs->name),
				  "%s MIDI %d",
				  tscm->card->shortname, subs->number + 1);
		}
	}

	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX;

	return 0;
}

Annotation

• Immediate include surface: `tascam.h`.
• Detected declarations: `function Copyright`, `function midi_playback_open`, `function midi_capture_close`, `function midi_playback_close`, `function midi_playback_drain`, `function midi_capture_trigger`, `function midi_playback_trigger`, `function snd_tscm_create_midi_devices`.
• Atlas domain: Driver Families / sound/firewire.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.