Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / usb / usx2y / usbusx2y.h

diff --git a/kernel/sound/usb/usx2y/usbusx2y.h b/kernel/sound/usb/usx2y/usbusx2y.h
new file mode 100644 (file)
index 0000000..6ae6b08
--- /dev/null
+++ b/kernel/sound/usb/usx2y/usbusx2y.h
@@ -0,0 +1,88 @@
+#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