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authorMark Farrugia <mark.farrugia@fiberdyne.com.au>2018-10-25 15:56:58 +1100
committerMark Farrugia <mark.farrugia@fiberdyne.com.au>2018-10-26 17:27:49 +1100
commit18007ca500654b48011e8a8cf96c47b1a5aa3be7 (patch)
tree059c2e3824a3f08510ba286643147208d7de3c93 /core.h
parent6e5b92cb45996adaa309b9534a53ed81989986de (diff)
Move system-leavel header to sound directory
Change include guards to reflect Linux sound driver format Signed-off-by: Mark Farrugia <mark.farrugia@fiberdyne.com.au>
Diffstat (limited to 'core.h')
-rw-r--r--core.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/core.h b/core.h
deleted file mode 100644
index bac4fc0..0000000
--- a/core.h
+++ /dev/null
@@ -1,123 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ALSA Virtual Soundcard
- *
- * core.h - System-level header for virtual ALSA card
- *
- * Copyright (C) 2010-2018 Fiberdyne Systems Pty Ltd
- */
-
-#ifndef __AVIRT_CORE_H__
-#define __AVIRT_CORE_H__
-
-#include <sound/pcm.h>
-#include <linux/configfs.h>
-
-#define MAX_STREAMS 16
-#define MAX_NAME_LEN 80
-
-#define DINFO(logname, fmt, args...) \
- printk(KERN_INFO "[AVIRT][%s]: " fmt "\n", logname, ##args)
-
-#define DERROR(logname, fmt, args...) \
- printk(KERN_ERR "[AVIRT][%s]: %d:%s " fmt "\n", logname, __LINE__, \
- __func__, ##args)
-
-#define DDEBUG(logname, fmt, args...) \
- printk(KERN_DEBUG "[AVIRT][%s]: %d:%s " fmt "\n", logname, __LINE__, \
- __func__, ##args)
-
-/**
- * AVIRT Audio Path configure function type
- * Each Audio Path registers this at avirt_audiopath_register time.
- * It is then called by the core once AVIRT has been configured
- */
-typedef int (*avirt_audiopath_configure)(struct snd_card *card,
- struct config_group *stream_group,
- unsigned int stream_count);
-
-/**
- * AVIRT Audio Path info
- */
-struct avirt_audiopath {
- const char *uid; /* Unique identifier */
- const char *name; /* Pretty name */
- unsigned int version[3]; /* Version - Major.Minor.Ext */
- const struct snd_pcm_hardware *hw; /* ALSA PCM HW conf */
- const struct snd_pcm_ops *pcm_ops; /* ALSA PCM op table */
- avirt_audiopath_configure configure; /* Configure callback function */
-
- void *context;
-};
-
-/*
- * Audio stream configuration
- */
-struct avirt_stream {
- char name[MAX_NAME_LEN]; /* Stream name */
- char map[MAX_NAME_LEN]; /* Stream Audio Path mapping */
- unsigned int channels; /* Stream channel count */
- unsigned int device; /* Stream PCM device no. */
- unsigned int direction; /* Stream direction */
- struct snd_pcm *pcm; /* ALSA PCM */
- struct config_item item; /* configfs item reference */
-};
-
-/**
- * AVIRT core info
- */
-struct avirt_coreinfo {
- unsigned int version[3];
-};
-
-/**
- * avirt_audiopath_register - register Audio Path with ALSA virtual driver
- * @audiopath: Audio Path to be registered
- * @core: ALSA virtual driver core info
- * @return: 0 on success or error code otherwise
- */
-int avirt_audiopath_register(struct avirt_audiopath *audiopath,
- struct avirt_coreinfo **coreinfo);
-
-/**
- * avirt_audiopath_deregister - deregister Audio Path with ALSA virtual driver
- * @audiopath: Audio Path to be deregistered
- * @return: 0 on success or error code otherwise
- */
-int avirt_audiopath_deregister(struct avirt_audiopath *audiopath);
-
-/**
- * avirt_audiopath_get - retrieves the Audio Path by it's UID
- * @uid: Unique ID for the Audio Path
- * @return: Corresponding Audio Path
- */
-struct avirt_audiopath *avirt_audiopath_get(const char *uid);
-
-/**
- * avirt_stream_count - get the stream count for the given direction
- * @direction: The direction to get the stream count for
- * @return: The stream count
- */
-int avirt_stream_count(unsigned int direction);
-
-/**
- * avirt_stream_from_config_item - Convert a config_item to an avirt_stream
- * @item: The config_item to convert from
- * @return: The item's avirt_stream if successful, NULL otherwise
- */
-static inline struct avirt_stream *
-avirt_stream_from_config_item(struct config_item *item)
-{
- return item ? container_of(item, struct avirt_stream, item) : NULL;
-}
-
-/**
- * avirt_pcm_period_elapsed - PCM buffer complete callback
- * @substream: pointer to ALSA PCM substream
- *
- * This should be called from a child Audio Path once it has finished processing
- * the PCM buffer
- */
-void avirt_pcm_period_elapsed(struct snd_pcm_substream *substream);
-
-#endif // __AVIRT_CORE_H__