Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifndef USBUSX2Y_H

#define USBUSX2Y_H

#include "../usbaudio.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 snd_usb_audio    chip;

        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            prepare_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 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