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88 lines
2.0 KiB
88 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef USBUSX2Y_H |
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#define USBUSX2Y_H |
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#include "../usbaudio.h" |
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#include "../midi.h" |
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#include "usbus428ctldefs.h" |
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#define NRURBS 2 |
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#define URBS_ASYNC_SEQ 10 |
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#define URB_DATA_LEN_ASYNC_SEQ 32 |
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struct snd_usx2y_async_seq { |
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struct urb *urb[URBS_ASYNC_SEQ]; |
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char *buffer; |
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}; |
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struct snd_usx2y_urb_seq { |
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int submitted; |
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int len; |
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struct urb *urb[]; |
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}; |
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#include "usx2yhwdeppcm.h" |
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struct usx2ydev { |
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struct usb_device *dev; |
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int card_index; |
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int stride; |
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struct urb *in04_urb; |
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void *in04_buf; |
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char in04_last[24]; |
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unsigned int in04_int_calls; |
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struct snd_usx2y_urb_seq *us04; |
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wait_queue_head_t in04_wait_queue; |
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struct snd_usx2y_async_seq as04; |
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unsigned int rate, |
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format; |
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int chip_status; |
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struct mutex pcm_mutex; |
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struct us428ctls_sharedmem *us428ctls_sharedmem; |
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int wait_iso_frame; |
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wait_queue_head_t us428ctls_wait_queue_head; |
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struct snd_usx2y_hwdep_pcm_shm *hwdep_pcm_shm; |
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struct snd_usx2y_substream *subs[4]; |
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struct snd_usx2y_substream * volatile prepare_subs; |
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wait_queue_head_t prepare_wait_queue; |
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struct list_head midi_list; |
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int pcm_devs; |
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}; |
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struct snd_usx2y_substream { |
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struct usx2ydev *usx2y; |
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struct snd_pcm_substream *pcm_substream; |
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int endpoint; |
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unsigned int maxpacksize; /* max packet size in bytes */ |
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atomic_t state; |
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#define STATE_STOPPED 0 |
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#define STATE_STARTING1 1 |
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#define STATE_STARTING2 2 |
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#define STATE_STARTING3 3 |
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#define STATE_PREPARED 4 |
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#define STATE_PRERUNNING 6 |
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#define STATE_RUNNING 8 |
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int hwptr; /* free frame position in the buffer (only for playback) */ |
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int hwptr_done; /* processed frame position in the buffer */ |
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int transfer_done; /* processed frames since last period update */ |
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struct urb *urb[NRURBS]; /* data urb table */ |
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struct urb *completed_urb; |
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char *tmpbuf; /* temporary buffer for playback */ |
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}; |
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#define usx2y(c) ((struct usx2ydev *)(c)->private_data) |
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int usx2y_audio_create(struct snd_card *card); |
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int usx2y_async_seq04_init(struct usx2ydev *usx2y); |
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int usx2y_in04_init(struct usx2ydev *usx2y); |
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#define NAME_ALLCAPS "US-X2Y" |
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#endif
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