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author | Kevin | 2014-11-15 09:58:27 +0800 |
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committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/sound/usb/usx2y/usbusx2y.h | |
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/sound/usb/usx2y/usbusx2y.h')
-rw-r--r-- | ANDROID_3.4.5/sound/usb/usx2y/usbusx2y.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/usb/usx2y/usbusx2y.h b/ANDROID_3.4.5/sound/usb/usx2y/usbusx2y.h new file mode 100644 index 00000000..e43c0a86 --- /dev/null +++ b/ANDROID_3.4.5/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 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 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 |