2016-12-02 10:50:26 +00:00
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From d7d03f10e6da33cd732e25499977c88f172732a4 Mon Sep 17 00:00:00 2001
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2016-02-25 10:14:01 +00:00
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From: wm4 <wm4@nowhere>
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Date: Wed, 13 Jan 2016 19:42:48 +0100
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2016-09-10 12:54:26 +00:00
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Subject: [PATCH] rpi: update vc_vchi_audioserv_defs.h
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2016-02-25 10:14:01 +00:00
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Add audioserv 3 extensions. The changes were taken from the paste
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linked here:
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https://github.com/raspberrypi/linux/pull/1166#issuecomment-151917067
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---
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sound/arm/vc_vchi_audioserv_defs.h | 13 +++++++++++--
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1 file changed, 11 insertions(+), 2 deletions(-)
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--- a/sound/arm/vc_vchi_audioserv_defs.h
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+++ b/sound/arm/vc_vchi_audioserv_defs.h
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@@ -16,7 +16,7 @@
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#define _VC_AUDIO_DEFS_H_
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#define VC_AUDIOSERV_MIN_VER 1
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-#define VC_AUDIOSERV_VER 2
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+#define VC_AUDIOSERV_VER 3
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// FourCC code used for VCHI connection
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#define VC_AUDIO_SERVER_NAME MAKE_FOURCC("AUDS")
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@@ -36,6 +36,7 @@ typedef enum {
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VC_AUDIO_MSG_TYPE_START, // Configure audio
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VC_AUDIO_MSG_TYPE_STOP, // Configure audio
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VC_AUDIO_MSG_TYPE_WRITE, // Configure audio
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+ VC_AUDIO_MSG_TYPE_LATENCY, // request latency in cycles
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VC_AUDIO_MSG_TYPE_MAX
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} VC_AUDIO_MSG_TYPE;
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@@ -44,6 +45,7 @@ typedef struct {
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uint32_t channels;
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uint32_t samplerate;
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uint32_t bps;
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+ uint32_t channelmap;
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} VC_AUDIO_CONFIG_T;
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@@ -84,6 +86,12 @@ typedef struct {
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uint16_t max_packet;
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} VC_AUDIO_WRITE_T;
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+// query latency in samples of sink
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+typedef struct
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+{
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+ uint32_t dummy;
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+} VC_AUDIO_LATENCY_T;
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+
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// Generic result for a request (VC->HOST)
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typedef struct {
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int32_t success; // Success value
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@@ -108,9 +116,10 @@ typedef struct {
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VC_AUDIO_START_T start;
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VC_AUDIO_STOP_T stop;
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VC_AUDIO_WRITE_T write;
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+ VC_AUDIO_LATENCY_T latency;
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VC_AUDIO_RESULT_T result;
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VC_AUDIO_COMPLETE_T complete;
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} u;
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} VC_AUDIO_MSG_T;
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-#endif // _VC_AUDIO_DEFS_H_
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+#endif // _VC_AUDIO_DEFS_H_
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\ No newline at end of file
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