diff options
Diffstat (limited to 'sound/virtio/virtio_pcm.h')
| -rw-r--r-- | sound/virtio/virtio_pcm.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/virtio/virtio_pcm.h b/sound/virtio/virtio_pcm.h index 062eb8e8f2cf..5dd1b43b9493 100644 --- a/sound/virtio/virtio_pcm.h +++ b/sound/virtio/virtio_pcm.h @@ -9,6 +9,7 @@ #include <linux/atomic.h> #include <linux/virtio_config.h> #include <sound/pcm.h> +#include <sound/pcm-indirect.h> struct virtio_pcm; struct virtio_pcm_msg; @@ -21,6 +22,7 @@ struct virtio_pcm_msg; * @direction: Stream data flow direction (SNDRV_PCM_STREAM_XXX). * @features: Stream VirtIO feature bit map (1 << VIRTIO_SND_PCM_F_XXX). * @substream: Kernel ALSA substream. + * @pcm_indirect: Kernel indirect pcm structure. * @hw: Kernel ALSA substream hardware descriptor. * @elapsed_period: Kernel work to handle the elapsed period state. * @lock: Spinlock that protects fields shared by interrupt handlers and @@ -46,6 +48,7 @@ struct virtio_pcm_substream { u32 direction; u32 features; struct snd_pcm_substream *substream; + struct snd_pcm_indirect pcm_indirect; struct snd_pcm_hardware hw; struct work_struct elapsed_period; spinlock_t lock; @@ -57,7 +60,6 @@ struct virtio_pcm_substream { bool suspended; struct virtio_pcm_msg **msgs; unsigned int nmsgs; - int msg_last_enqueued; unsigned int msg_count; wait_queue_head_t msg_empty; }; @@ -90,7 +92,7 @@ struct virtio_pcm { struct virtio_pcm_stream streams[SNDRV_PCM_STREAM_LAST + 1]; }; -extern const struct snd_pcm_ops virtsnd_pcm_ops; +extern const struct snd_pcm_ops virtsnd_pcm_ops[]; int virtsnd_pcm_validate(struct virtio_device *vdev); @@ -117,7 +119,8 @@ int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss); -int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss); +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss, unsigned long offset, + unsigned long bytes); unsigned int virtsnd_pcm_msg_pending_num(struct virtio_pcm_substream *vss); |