80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
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/*
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* VIRTIO Sound Device conforming to
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*
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* "Virtual I/O Device (VIRTIO) Version 1.2
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* Committee Specification Draft 01
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* 09 May 2022"
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*
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* Copyright (c) 2023 Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
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* Copyright (C) 2019 OpenSynergy GmbH
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version. See the COPYING file in the
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* top-level directory.
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*/
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#ifndef QEMU_VIRTIO_SOUND_H
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#define QEMU_VIRTIO_SOUND_H
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#include "hw/virtio/virtio.h"
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#include "audio/audio.h"
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#include "standard-headers/linux/virtio_ids.h"
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#include "standard-headers/linux/virtio_snd.h"
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#define TYPE_VIRTIO_SND "virtio-sound-device"
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#define VIRTIO_SND(obj) \
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OBJECT_CHECK(VirtIOSound, (obj), TYPE_VIRTIO_SND)
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/* CONFIGURATION SPACE */
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typedef struct virtio_snd_config virtio_snd_config;
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/* COMMON DEFINITIONS */
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/* common header for request/response*/
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typedef struct virtio_snd_hdr virtio_snd_hdr;
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/* event notification */
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typedef struct virtio_snd_event virtio_snd_event;
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/* common control request to query an item information */
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typedef struct virtio_snd_query_info virtio_snd_query_info;
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/* JACK CONTROL MESSAGES */
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typedef struct virtio_snd_jack_hdr virtio_snd_jack_hdr;
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/* jack information structure */
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typedef struct virtio_snd_jack_info virtio_snd_jack_info;
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/* jack remapping control request */
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typedef struct virtio_snd_jack_remap virtio_snd_jack_remap;
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/*
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* PCM CONTROL MESSAGES
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*/
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typedef struct virtio_snd_pcm_hdr virtio_snd_pcm_hdr;
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/* PCM stream info structure */
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typedef struct virtio_snd_pcm_info virtio_snd_pcm_info;
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/* set PCM stream params */
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typedef struct virtio_snd_pcm_set_params virtio_snd_pcm_set_params;
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/* I/O request header */
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typedef struct virtio_snd_pcm_xfer virtio_snd_pcm_xfer;
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/* I/O request status */
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typedef struct virtio_snd_pcm_status virtio_snd_pcm_status;
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typedef struct VirtIOSound {
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VirtIODevice parent_obj;
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VirtQueue *queues[VIRTIO_SND_VQ_MAX];
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uint64_t features;
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QEMUSoundCard card;
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VMChangeStateEntry *vmstate;
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virtio_snd_config snd_conf;
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} VirtIOSound;
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#endif
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