Added structures for handling channel map control
requests to the header file.
Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh2...@gmail.com>
---
include/hw/virtio/virtio-snd.h | 64 ++++++++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/include/hw/virtio/virtio-snd.h b/include/hw/virtio/virtio-snd.h
index e9a4fe3c5d..ad068e5893 100644
--- a/include/hw/virtio/virtio-snd.h
+++ b/include/hw/virtio/virtio-snd.h
@@ -262,4 +262,68 @@ typedef struct virtio_snd_pcm_status {
uint32_t latency_bytes;
} virtio_snd_pcm_status;
+/* CHANNEL MAP CONTROL MESSAGES */
+
+typedef struct virtio_snd_chmap_hdr {
+ /* .code = VIRTIO_SND_R_CHMAP_* */
+ virtio_snd_hdr hdr;
+ /* 0 to (virtio_snd_config.chmaps - 1) */
+ uint32_t chmap_id;
+} virtio_snd_chmap_hdr;
+
+/* standard channel position definition */
+enum {
+ VIRTIO_SND_CHMAP_NONE = 0, /* undefined */
+ VIRTIO_SND_CHMAP_NA, /* silent */
+ VIRTIO_SND_CHMAP_MONO, /* mono stream */
+ VIRTIO_SND_CHMAP_FL, /* front left */
+ VIRTIO_SND_CHMAP_FR, /* front right */
+ VIRTIO_SND_CHMAP_RL, /* rear left */
+ VIRTIO_SND_CHMAP_RR, /* rear right */
+ VIRTIO_SND_CHMAP_FC, /* front center */
+ VIRTIO_SND_CHMAP_LFE, /* low frequency (LFE) */
+ VIRTIO_SND_CHMAP_SL, /* side left */
+ VIRTIO_SND_CHMAP_SR, /* side right */
+ VIRTIO_SND_CHMAP_RC, /* rear center */
+ VIRTIO_SND_CHMAP_FLC, /* front left center */
+ VIRTIO_SND_CHMAP_FRC, /* front right center */
+ VIRTIO_SND_CHMAP_RLC, /* rear left center */
+ VIRTIO_SND_CHMAP_RRC, /* rear right center */
+ VIRTIO_SND_CHMAP_FLW, /* front left wide */
+ VIRTIO_SND_CHMAP_FRW, /* front right wide */
+ VIRTIO_SND_CHMAP_FLH, /* front left high */
+ VIRTIO_SND_CHMAP_FCH, /* front center high */
+ VIRTIO_SND_CHMAP_FRH, /* front right high */
+ VIRTIO_SND_CHMAP_TC, /* top center */
+ VIRTIO_SND_CHMAP_TFL, /* top front left */
+ VIRTIO_SND_CHMAP_TFR, /* top front right */
+ VIRTIO_SND_CHMAP_TFC, /* top front center */
+ VIRTIO_SND_CHMAP_TRL, /* top rear left */
+ VIRTIO_SND_CHMAP_TRR, /* top rear right */
+ VIRTIO_SND_CHMAP_TRC, /* top rear center */
+ VIRTIO_SND_CHMAP_TFLC, /* top front left center */
+ VIRTIO_SND_CHMAP_TFRC, /* top front right center */
+ VIRTIO_SND_CHMAP_TSL, /* top side left */
+ VIRTIO_SND_CHMAP_TSR, /* top side right */
+ VIRTIO_SND_CHMAP_LLFE, /* left LFE */
+ VIRTIO_SND_CHMAP_RLFE, /* right LFE */
+ VIRTIO_SND_CHMAP_BC, /* bottom center */
+ VIRTIO_SND_CHMAP_BLC, /* bottom left center */
+ VIRTIO_SND_CHMAP_BRC /* bottom right center */
+};
+
+/* maximum possible number of channels */
+#define VIRTIO_SND_CHMAP_MAX_SIZE 18
+
+typedef struct virtio_snd_chmap_info {
+ /* common header */
+ virtio_snd_info hdr;
+ /* direction */
+ uint8_t direction;
+ /* # of valid channel position values */
+ uint8_t channels;
+ /* channel position values (VIRTIO_SND_CHMAP_*) */
+ uint8_t positions[VIRTIO_SND_CHMAP_MAX_SIZE];
+} virtio_snd_chmap_info;
+
#endif
--
2.25.1
