[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/usx2y/usbusx2y.h b/src/kernel/linux/v4.14/sound/usb/usx2y/usbusx2y.h
new file mode 100644
index 0000000..e0f7717
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/usx2y/usbusx2y.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef USBUSX2Y_H
+#define USBUSX2Y_H
+#include "../usbaudio.h"
+#include "../midi.h"
+#include "usbus428ctldefs.h"
+
+#define NRURBS 2
+
+
+#define URBS_AsyncSeq 10
+#define URB_DataLen_AsyncSeq 32
+struct snd_usX2Y_AsyncSeq {
+ struct urb *urb[URBS_AsyncSeq];
+ char *buffer;
+};
+
+struct snd_usX2Y_urbSeq {
+ int submitted;
+ int len;
+ struct urb *urb[0];
+};
+
+#include "usx2yhwdeppcm.h"
+
+struct usX2Ydev {
+ struct usb_device *dev;
+ int card_index;
+ int stride;
+ struct urb *In04urb;
+ void *In04Buf;
+ char In04Last[24];
+ unsigned In04IntCalls;
+ struct snd_usX2Y_urbSeq *US04;
+ wait_queue_head_t In04WaitQueue;
+ struct snd_usX2Y_AsyncSeq AS04;
+ unsigned int rate,
+ format;
+ int chip_status;
+ struct mutex pcm_mutex;
+ struct us428ctls_sharedmem *us428ctls_sharedmem;
+ int wait_iso_frame;
+ wait_queue_head_t us428ctls_wait_queue_head;
+ struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm;
+ struct snd_usX2Y_substream *subs[4];
+ struct snd_usX2Y_substream * volatile prepare_subs;
+ wait_queue_head_t prepare_wait_queue;
+ struct list_head midi_list;
+ struct list_head pcm_list;
+ int pcm_devs;
+};
+
+
+struct snd_usX2Y_substream {
+ struct usX2Ydev *usX2Y;
+ struct snd_pcm_substream *pcm_substream;
+
+ int endpoint;
+ unsigned int maxpacksize; /* max packet size in bytes */
+
+ atomic_t state;
+#define state_STOPPED 0
+#define state_STARTING1 1
+#define state_STARTING2 2
+#define state_STARTING3 3
+#define state_PREPARED 4
+#define state_PRERUNNING 6
+#define state_RUNNING 8
+
+ int hwptr; /* free frame position in the buffer (only for playback) */
+ int hwptr_done; /* processed frame position in the buffer */
+ int transfer_done; /* processed frames since last period update */
+
+ struct urb *urb[NRURBS]; /* data urb table */
+ struct urb *completed_urb;
+ char *tmpbuf; /* temporary buffer for playback */
+};
+
+
+#define usX2Y(c) ((struct usX2Ydev *)(c)->private_data)
+
+int usX2Y_audio_create(struct snd_card *card);
+
+int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y);
+int usX2Y_In04_init(struct usX2Ydev *usX2Y);
+
+#define NAME_ALLCAPS "US-X2Y"
+
+#endif