Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / uapi / sound / firewire.h
1 #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
2 #define _UAPI_SOUND_FIREWIRE_H_INCLUDED
3
4 #include <linux/ioctl.h>
5 #include <linux/types.h>
6
7 /* events can be read() from the hwdep device */
8
9 #define SNDRV_FIREWIRE_EVENT_LOCK_STATUS        0x000010cc
10 #define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION  0xd1ce004e
11 #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE       0x4e617475
12
13 struct snd_firewire_event_common {
14         unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
15 };
16
17 struct snd_firewire_event_lock_status {
18         unsigned int type;
19         unsigned int status; /* 0/1 = unlocked/locked */
20 };
21
22 struct snd_firewire_event_dice_notification {
23         unsigned int type;
24         unsigned int notification; /* DICE-specific bits */
25 };
26
27 #define SND_EFW_TRANSACTION_USER_SEQNUM_MAX     ((__u32)((__u16)~0) - 1)
28 /* each field should be in big endian */
29 struct snd_efw_transaction {
30         __be32 length;
31         __be32 version;
32         __be32 seqnum;
33         __be32 category;
34         __be32 command;
35         __be32 status;
36         __be32 params[0];
37 };
38 struct snd_firewire_event_efw_response {
39         unsigned int type;
40         __be32 response[0];     /* some responses */
41 };
42
43 union snd_firewire_event {
44         struct snd_firewire_event_common            common;
45         struct snd_firewire_event_lock_status       lock_status;
46         struct snd_firewire_event_dice_notification dice_notification;
47         struct snd_firewire_event_efw_response      efw_response;
48 };
49
50
51 #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
52 #define SNDRV_FIREWIRE_IOCTL_LOCK      _IO('H', 0xf9)
53 #define SNDRV_FIREWIRE_IOCTL_UNLOCK    _IO('H', 0xfa)
54
55 #define SNDRV_FIREWIRE_TYPE_DICE        1
56 #define SNDRV_FIREWIRE_TYPE_FIREWORKS   2
57 #define SNDRV_FIREWIRE_TYPE_BEBOB       3
58 #define SNDRV_FIREWIRE_TYPE_OXFW        4
59 /* RME, MOTU, ... */
60
61 struct snd_firewire_get_info {
62         unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
63         unsigned int card; /* same as fw_cdev_get_info.card */
64         unsigned char guid[8];
65         char device_name[16]; /* device node in /dev */
66 };
67
68 /*
69  * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
70  * Returns -EBUSY if the driver is already streaming.
71  */
72
73 #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */