| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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[0]; |
| 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 |