virtio-snd: add virtio sound device specificationsound-v8

This patch proposes virtio specification for a new virtio sound device,
that may be useful in case when having audio is required but a device
passthrough or emulation is not an option.

Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
Message-Id: <20200330163413.975345-1-anton.yakovlev@opensynergy.com>

1 files changed, 30 insertions, 3 deletions

diff --git a/conformance.tex b/conformance.tex
index b6fdec0..ffa1f76 100644
--- a/conformance.tex
+++ b/conformance.tex
@@ -15,7 +15,7 @@ Conformance targets:
   \begin{itemize}
     \item Clause \ref{sec:Conformance / Driver Conformance}.
     \item One of clauses \ref{sec:Conformance / Driver Conformance / PCI Driver Conformance}, \ref{sec:Conformance / Driver Conformance / MMIO Driver Conformance} or \ref{sec:Conformance / Driver Conformance / Channel I/O Driver Conformance}.
-    \item One of clauses \ref{sec:Conformance / Driver Conformance / Network Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Block Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Console Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Entropy Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Traditional Memory Balloon Driver Conformance}, \ref{sec:Conformance / Driver Conformance / SCSI Host Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Input Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Crypto Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Socket Driver Conformance} or \ref{sec:Conformance / Driver Conformance / IOMMU Driver Conformance}.
+    \item One of clauses \ref{sec:Conformance / Driver Conformance / Network Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Block Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Console Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Entropy Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Traditional Memory Balloon Driver Conformance}, \ref{sec:Conformance / Driver Conformance / SCSI Host Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Input Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Crypto Driver Conformance}, \ref{sec:Conformance / Driver Conformance / Socket Driver Conformance}, \ref{sec:Conformance / Driver Conformance / IOMMU Driver Conformance} or \ref{sec:Conformance / Driver Conformance / Sound Driver Conformance}.
     \item Clause \ref{sec:Conformance / Legacy Interface: Transitional Device and Transitional Driver Conformance}.
   \end{itemize}
 \item[Device] A device MUST conform to four conformance clauses:
@@ -32,8 +32,9 @@ Conformance targets:
 \ref{sec:Conformance / Device Conformance / Input Device Conformance}, 
 \ref{sec:Conformance / Device Conformance / Crypto Device Conformance}, 
 \ref{sec:Conformance / Device Conformance / Socket Device Conformance}, 
-\ref{sec:Conformance / Device Conformance / RPMB Device Conformance} or 
-\ref{sec:Conformance / Device Conformance / IOMMU Device Conformance}.
+\ref{sec:Conformance / Device Conformance / RPMB Device Conformance},
+\ref{sec:Conformance / Device Conformance / IOMMU Device Conformance} or
+\ref{sec:Conformance / Device Conformance / Sound Device Conformance}.
     \item Clause \ref{sec:Conformance / Legacy Interface: Transitional Device and Transitional Driver Conformance}.
   \end{itemize}
 \end{description}
@@ -220,6 +221,18 @@ An IOMMU driver MUST conform to the following normative statements:
 \item \ref{drivernormative:Device Types / IOMMU Device / Device operations / Fault reporting}
 \end{itemize}
 
+\conformance{\subsection}{Sound Driver Conformance}\label{sec:Conformance / Driver Conformance / Sound Driver Conformance}
+
+A sound driver MUST conform to the following normative statements:
+
+\begin{itemize}
+\item \ref{drivernormative:Device Types / Sound Device / Device Initialization}
+\item \ref{drivernormative:Device Types / Sound Device / Item Information Request}
+\item \ref{drivernormative:Device Types / Sound Device / Device Operation / PCM Stream Parameters}
+\item \ref{drivernormative:Device Types / Sound Device / Device Operation / PCM Output Stream}
+\item \ref{drivernormative:Device Types / Sound Device / Device Operation / PCM Input Stream}
+\end{itemize}
+
 \conformance{\section}{Device Conformance}\label{sec:Conformance / Device Conformance}
 
 A device MUST conform to the following normative statements:
@@ -408,6 +421,20 @@ An IOMMU device MUST conform to the following normative statements:
 \item \ref{devicenormative:Device Types / IOMMU Device / Device operations / Fault reporting}
 \end{itemize}
 
+\conformance{\subsection}{Sound Device Conformance}\label{sec:Conformance / Device Conformance / Sound Device Conformance}
+
+A sound device MUST conform to the following normative statements:
+
+\begin{itemize}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / Jack Information}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / PCM Stream Information}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / PCM Stream Parameters}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / PCM Stream Release}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / PCM Output Stream}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / PCM Input Stream}
+\item \ref{devicenormative:Device Types / Sound Device / Device Operation / Channel Map Information}
+\end{itemize}
+
 \conformance{\section}{Legacy Interface: Transitional Device and Transitional Driver Conformance}\label{sec:Conformance / Legacy Interface: Transitional Device and Transitional Driver Conformance}
 A conformant implementation MUST be either transitional or
 non-transitional, see \ref{intro:Legacy