Documentation/sound/kernel-api/alsa-driver-api.rst

File Facts

System

Linux kernel

Corpus path

Documentation/sound/kernel-api/alsa-driver-api.rst

Extension

.rst

Size

2867 bytes

Lines

136

Domain

Support Tooling And Documentation

Bucket

Documentation

Inferred role

Support Tooling And Documentation: documentation

Status

atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

===================
The ALSA Driver API
===================

Management of Cards and Devices
===============================

Card Management
---------------
.. kernel-doc:: sound/core/init.c

Device Components
-----------------
.. kernel-doc:: sound/core/device.c

Module requests and Device File Entries
---------------------------------------
.. kernel-doc:: sound/core/sound.c

Memory Management Helpers
-------------------------
.. kernel-doc:: sound/core/memory.c
.. kernel-doc:: sound/core/memalloc.c


PCM API
=======

PCM Core
--------
.. kernel-doc:: sound/core/pcm.c
.. kernel-doc:: sound/core/pcm_lib.c
.. kernel-doc:: sound/core/pcm_native.c
.. kernel-doc:: include/sound/pcm.h

PCM Format Helpers
------------------
.. kernel-doc:: sound/core/pcm_misc.c

PCM Memory Management
---------------------
.. kernel-doc:: sound/core/pcm_memory.c

PCM DMA Engine API
------------------
.. kernel-doc:: sound/core/pcm_dmaengine.c
.. kernel-doc:: include/sound/dmaengine_pcm.h

Control/Mixer API
=================

General Control Interface
-------------------------
.. kernel-doc:: sound/core/control.c

AC97 Codec API
--------------
.. kernel-doc:: sound/pci/ac97/ac97_codec.c
.. kernel-doc:: sound/pci/ac97/ac97_pcm.c

Virtual Master Control API
--------------------------
.. kernel-doc:: sound/core/vmaster.c
.. kernel-doc:: include/sound/control.h

MIDI API
========

Raw MIDI API
------------

Annotation

• Atlas domain: Support Tooling And Documentation / Documentation.
• Implementation status: atlas-only.

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.