[linux-block.git] / sound / usb / usx2y / usbusx2y.h

#ifndef USBUSX2Y_H
#define USBUSX2Y_H
#include "../usbaudio.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 snd_usb_audio 	chip;
	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 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
Commit	Line	Data
1da177e4 LT	1	#ifndef USBUSX2Y_H
	2	#define USBUSX2Y_H
	3	#include "../usbaudio.h"
	4	#include "usbus428ctldefs.h"
	5
	6	#define NRURBS 2
	7
	8
	9	#define URBS_AsyncSeq 10
	10	#define URB_DataLen_AsyncSeq 32
bbe85bbd TI	11	struct snd_usX2Y_AsyncSeq {
	12	struct urb *urb[URBS_AsyncSeq];
	13	char *buffer;
	14	};
1da177e4	15
bbe85bbd	16	struct snd_usX2Y_urbSeq {
1da177e4 LT	17	int submitted;
1da177e4 LT	18	int len;
bbe85bbd TI	19	struct urb *urb[0];
bbe85bbd TI	20	};
1da177e4	21
1da177e4 LT	22	#include "usx2yhwdeppcm.h"
1da177e4 LT	23
bbe85bbd TI	24	struct usX2Ydev {
bbe85bbd TI	25	struct snd_usb_audio chip;
1da177e4 LT	26	int stride;
	27	struct urb *In04urb;
	28	void *In04Buf;
	29	char In04Last[24];
	30	unsigned In04IntCalls;
bbe85bbd	31	struct snd_usX2Y_urbSeq *US04;
1da177e4	32	wait_queue_head_t In04WaitQueue;
bbe85bbd	33	struct snd_usX2Y_AsyncSeq AS04;
1da177e4 LT	34	unsigned int rate,
	35	format;
	36	int chip_status;
12aa7579	37	struct mutex prepare_mutex;
bbe85bbd	38	struct us428ctls_sharedmem *us428ctls_sharedmem;
1da177e4 LT	39	int wait_iso_frame;
1da177e4 LT	40	wait_queue_head_t us428ctls_wait_queue_head;
bbe85bbd TI	41	struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm;
	42	struct snd_usX2Y_substream *subs[4];
	43	struct snd_usX2Y_substream * volatile prepare_subs;
1da177e4	44	wait_queue_head_t prepare_wait_queue;
bbe85bbd	45	};
1da177e4 LT	46
	47
	48	struct snd_usX2Y_substream {
bbe85bbd TI	49	struct usX2Ydev *usX2Y;
bbe85bbd TI	50	struct snd_pcm_substream *pcm_substream;
1da177e4 LT	51
	52	int endpoint;
	53	unsigned int maxpacksize; /* max packet size in bytes */
	54
	55	atomic_t state;
	56	#define state_STOPPED 0
	57	#define state_STARTING1 1
	58	#define state_STARTING2 2
	59	#define state_STARTING3 3
	60	#define state_PREPARED 4
	61	#define state_PRERUNNING 6
	62	#define state_RUNNING 8
	63
	64	int hwptr; /* free frame position in the buffer (only for playback) */
	65	int hwptr_done; /* processed frame position in the buffer */
	66	int transfer_done; /* processed frames since last period update */
	67
	68	struct urb urb[NRURBS]; / data urb table */
	69	struct urb *completed_urb;
	70	char tmpbuf; / temporary buffer for playback */
	71	};
	72
	73
bbe85bbd	74	#define usX2Y(c) ((struct usX2Ydev *)(c)->private_data)
1da177e4	75
bbe85bbd	76	int usX2Y_audio_create(struct snd_card *card);
1da177e4	77
bbe85bbd TI	78	int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y);
bbe85bbd TI	79	int usX2Y_In04_init(struct usX2Ydev *usX2Y);
1da177e4 LT	80
	81	#define NAME_ALLCAPS "US-X2Y"
	82
	83	#endif