linux-kernel - [PATCH 0/7] ALSA: add virtio sound driver

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Date:   Wed, 20 Jan 2021 01:36:28 +0100
From:   Anton Yakovlev <anton.yakovlev@...nsynergy.com>
To:     <virtualization@...ts.linux-foundation.org>,
        <alsa-devel@...a-project.org>, <virtio-dev@...ts.oasis-open.org>
CC:     Jaroslav Kysela <perex@...ex.cz>, Jason Wang <jasowang@...hat.com>,
        <linux-kernel@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Takashi Iwai <tiwai@...e.com>
Subject: [PATCH 0/7] ALSA: add virtio sound driver

This series implements a driver part of the virtio sound device
specification v8 [1].

The driver supports PCM playback and capture substreams, jack and
channel map controls. A message-based transport is used to write/read
PCM frames to/from a device.

The series is based (and was actually tested) on Linus's master
branch [2], on top of

commit 1e2a199f6ccd ("Merge tag 'spi-fix-v5.11-rc4' of ...")

As a device part was used OpenSynergy proprietary implementation.

Any comments are very welcome.

[1] https://lists.oasis-open.org/archives/virtio-dev/202003/msg00185.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Anton Yakovlev (7):
  uapi: virtio_ids: add a sound device type ID from OASIS spec
  uapi: virtio_snd: add the sound device header file
  ALSA: virtio: add virtio sound driver
  ALSA: virtio: handling control and I/O messages for the PCM device
  ALSA: virtio: PCM substream operators
  ALSA: virtio: introduce jack support
  ALSA: virtio: introduce device suspend/resume support

 MAINTAINERS                     |   8 +
 include/uapi/linux/virtio_ids.h |   1 +
 include/uapi/linux/virtio_snd.h | 361 +++++++++++++++++++
 sound/Kconfig                   |   2 +
 sound/Makefile                  |   3 +-
 sound/virtio/Kconfig            |  10 +
 sound/virtio/Makefile           |  13 +
 sound/virtio/virtio_card.c      | 593 ++++++++++++++++++++++++++++++++
 sound/virtio/virtio_card.h      | 121 +++++++
 sound/virtio/virtio_chmap.c     | 237 +++++++++++++
 sound/virtio/virtio_ctl_msg.c   | 293 ++++++++++++++++
 sound/virtio/virtio_ctl_msg.h   | 122 +++++++
 sound/virtio/virtio_jack.c      | 255 ++++++++++++++
 sound/virtio/virtio_pcm.c       | 582 +++++++++++++++++++++++++++++++
 sound/virtio/virtio_pcm.h       | 132 +++++++
 sound/virtio/virtio_pcm_msg.c   | 317 +++++++++++++++++
 sound/virtio/virtio_pcm_ops.c   | 524 ++++++++++++++++++++++++++++
 17 files changed, 3573 insertions(+), 1 deletion(-)
 create mode 100644 include/uapi/linux/virtio_snd.h
 create mode 100644 sound/virtio/Kconfig
 create mode 100644 sound/virtio/Makefile
 create mode 100644 sound/virtio/virtio_card.c
 create mode 100644 sound/virtio/virtio_card.h
 create mode 100644 sound/virtio/virtio_chmap.c
 create mode 100644 sound/virtio/virtio_ctl_msg.c
 create mode 100644 sound/virtio/virtio_ctl_msg.h
 create mode 100644 sound/virtio/virtio_jack.c
 create mode 100644 sound/virtio/virtio_pcm.c
 create mode 100644 sound/virtio/virtio_pcm.h
 create mode 100644 sound/virtio/virtio_pcm_msg.c
 create mode 100644 sound/virtio/virtio_pcm_ops.c

-- 
2.30.0