1 #ifndef USBUSX2Y_H 2 #define USBUSX2Y_H 3 #include "../usbaudio.h" 4 #include "../midi.h" 5 #include "usbus428ctldefs.h" 6 7 #define NRURBS 2 8 9 10 #define URBS_AsyncSeq 10 11 #define URB_DataLen_AsyncSeq 32 12 struct snd_usX2Y_AsyncSeq { 13 struct urb *urb[URBS_AsyncSeq]; 14 char *buffer; 15 }; 16 17 struct snd_usX2Y_urbSeq { 18 int submitted; 19 int len; 20 struct urb *urb[0]; 21 }; 22 23 #include "usx2yhwdeppcm.h" 24 25 struct usX2Ydev { 26 struct usb_device *dev; 27 int card_index; 28 int stride; 29 struct urb *In04urb; 30 void *In04Buf; 31 char In04Last[24]; 32 unsigned In04IntCalls; 33 struct snd_usX2Y_urbSeq *US04; 34 wait_queue_head_t In04WaitQueue; 35 struct snd_usX2Y_AsyncSeq AS04; 36 unsigned int rate, 37 format; 38 int chip_status; 39 struct mutex prepare_mutex; 40 struct us428ctls_sharedmem *us428ctls_sharedmem; 41 int wait_iso_frame; 42 wait_queue_head_t us428ctls_wait_queue_head; 43 struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm; 44 struct snd_usX2Y_substream *subs[4]; 45 struct snd_usX2Y_substream * volatile prepare_subs; 46 wait_queue_head_t prepare_wait_queue; 47 struct list_head midi_list; 48 struct list_head pcm_list; 49 int pcm_devs; 50 }; 51 52 53 struct snd_usX2Y_substream { 54 struct usX2Ydev *usX2Y; 55 struct snd_pcm_substream *pcm_substream; 56 57 int endpoint; 58 unsigned int maxpacksize; /* max packet size in bytes */ 59 60 atomic_t state; 61 #define state_STOPPED 0 62 #define state_STARTING1 1 63 #define state_STARTING2 2 64 #define state_STARTING3 3 65 #define state_PREPARED 4 66 #define state_PRERUNNING 6 67 #define state_RUNNING 8 68 69 int hwptr; /* free frame position in the buffer (only for playback) */ 70 int hwptr_done; /* processed frame position in the buffer */ 71 int transfer_done; /* processed frames since last period update */ 72 73 struct urb *urb[NRURBS]; /* data urb table */ 74 struct urb *completed_urb; 75 char *tmpbuf; /* temporary buffer for playback */ 76 }; 77 78 79 #define usX2Y(c) ((struct usX2Ydev *)(c)->private_data) 80 81 int usX2Y_audio_create(struct snd_card *card); 82 83 int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y); 84 int usX2Y_In04_init(struct usX2Ydev *usX2Y); 85 86 #define NAME_ALLCAPS "US-X2Y" 87 88 #endif 89