Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.git] / sound / usb / usx2y / usbusx2y.h
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
11 struct snd_usX2Y_AsyncSeq {
12         struct urb      *urb[URBS_AsyncSeq];
13         char            *buffer;
14 };
15
16 struct snd_usX2Y_urbSeq {
17         int     submitted;
18         int     len;
19         struct urb      *urb[0];
20 };
21
22 #include "usx2yhwdeppcm.h"
23
24 struct usX2Ydev {
25         struct usb_device       *dev;
26         int                     card_index;
27         int                     stride;
28         struct urb              *In04urb;
29         void                    *In04Buf;
30         char                    In04Last[24];
31         unsigned                In04IntCalls;
32         struct snd_usX2Y_urbSeq *US04;
33         wait_queue_head_t       In04WaitQueue;
34         struct snd_usX2Y_AsyncSeq       AS04;
35         unsigned int            rate,
36                                 format;
37         int                     chip_status;
38         struct mutex            prepare_mutex;
39         struct us428ctls_sharedmem      *us428ctls_sharedmem;
40         int                     wait_iso_frame;
41         wait_queue_head_t       us428ctls_wait_queue_head;
42         struct snd_usX2Y_hwdep_pcm_shm  *hwdep_pcm_shm;
43         struct snd_usX2Y_substream      *subs[4];
44         struct snd_usX2Y_substream      * volatile  prepare_subs;
45         wait_queue_head_t       prepare_wait_queue;
46         struct list_head        midi_list;
47         struct list_head        pcm_list;
48         int                     pcm_devs;
49 };
50
51
52 struct snd_usX2Y_substream {
53         struct usX2Ydev *usX2Y;
54         struct snd_pcm_substream *pcm_substream;
55
56         int                     endpoint;               
57         unsigned int            maxpacksize;            /* max packet size in bytes */
58
59         atomic_t                state;
60 #define state_STOPPED   0
61 #define state_STARTING1 1
62 #define state_STARTING2 2
63 #define state_STARTING3 3
64 #define state_PREPARED  4
65 #define state_PRERUNNING  6
66 #define state_RUNNING   8
67
68         int                     hwptr;                  /* free frame position in the buffer (only for playback) */
69         int                     hwptr_done;             /* processed frame position in the buffer */
70         int                     transfer_done;          /* processed frames since last period update */
71
72         struct urb              *urb[NRURBS];   /* data urb table */
73         struct urb              *completed_urb;
74         char                    *tmpbuf;                        /* temporary buffer for playback */
75 };
76
77
78 #define usX2Y(c) ((struct usX2Ydev *)(c)->private_data)
79
80 int usX2Y_audio_create(struct snd_card *card);
81
82 int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y);
83 int usX2Y_In04_init(struct usX2Ydev *usX2Y);
84
85 #define NAME_ALLCAPS "US-X2Y"
86
87 #endif