1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef USBUSX2Y_H 3 #define USBUSX2Y_H 4 #include "../usbaudio.h" 5 #include "../midi.h" 6 #include "usbus428ctldefs.h" 7 8 #define NRURBS 2 9 10 11 #define URBS_AsyncSeq 10 12 #define URB_DataLen_AsyncSeq 32 13 struct snd_usX2Y_AsyncSeq { 14 struct urb *urb[URBS_AsyncSeq]; 15 char *buffer; 16 }; 17 18 struct snd_usX2Y_urbSeq { 19 int submitted; 20 int len; 21 struct urb *urb[]; 22 }; 23 24 #include "usx2yhwdeppcm.h" 25 26 struct usX2Ydev { 27 struct usb_device *dev; 28 int card_index; 29 int stride; 30 struct urb *In04urb; 31 void *In04Buf; 32 char In04Last[24]; 33 unsigned In04IntCalls; 34 struct snd_usX2Y_urbSeq *US04; 35 wait_queue_head_t In04WaitQueue; 36 struct snd_usX2Y_AsyncSeq AS04; 37 unsigned int rate, 38 format; 39 int chip_status; 40 struct mutex pcm_mutex; 41 struct us428ctls_sharedmem *us428ctls_sharedmem; 42 int wait_iso_frame; 43 wait_queue_head_t us428ctls_wait_queue_head; 44 struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm; 45 struct snd_usX2Y_substream *subs[4]; 46 struct snd_usX2Y_substream * volatile prepare_subs; 47 wait_queue_head_t prepare_wait_queue; 48 struct list_head midi_list; 49 struct list_head pcm_list; 50 int pcm_devs; 51 }; 52 53 54 struct snd_usX2Y_substream { 55 struct usX2Ydev *usX2Y; 56 struct snd_pcm_substream *pcm_substream; 57 58 int endpoint; 59 unsigned int maxpacksize; /* max packet size in bytes */ 60 61 atomic_t state; 62 #define state_STOPPED 0 63 #define state_STARTING1 1 64 #define state_STARTING2 2 65 #define state_STARTING3 3 66 #define state_PREPARED 4 67 #define state_PRERUNNING 6 68 #define state_RUNNING 8 69 70 int hwptr; /* free frame position in the buffer (only for playback) */ 71 int hwptr_done; /* processed frame position in the buffer */ 72 int transfer_done; /* processed frames since last period update */ 73 74 struct urb *urb[NRURBS]; /* data urb table */ 75 struct urb *completed_urb; 76 char *tmpbuf; /* temporary buffer for playback */ 77 }; 78 79 80 #define usX2Y(c) ((struct usX2Ydev *)(c)->private_data) 81 82 int usX2Y_audio_create(struct snd_card *card); 83 84 int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y); 85 int usX2Y_In04_init(struct usX2Ydev *usX2Y); 86 87 #define NAME_ALLCAPS "US-X2Y" 88 89 #endif 90
