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3b098eb4 CG |
1 | #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED |
2 | #define _UAPI_SOUND_FIREWIRE_H_INCLUDED | |
82fbb4f7 CL |
3 | |
4 | #include <linux/ioctl.h> | |
555e8a8f | 5 | #include <linux/types.h> |
82fbb4f7 CL |
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 | |
555e8a8f | 11 | #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE 0x4e617475 |
82fbb4f7 CL |
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 | ||
555e8a8f TS |
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 | ||
82fbb4f7 CL |
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; | |
555e8a8f | 47 | struct snd_firewire_event_efw_response efw_response; |
82fbb4f7 CL |
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 | |
594ddced | 56 | #define SNDRV_FIREWIRE_TYPE_FIREWORKS 2 |
618eabea | 57 | #define SNDRV_FIREWIRE_TYPE_BEBOB 3 |
8985f4ac TS |
58 | #define SNDRV_FIREWIRE_TYPE_OXFW 4 |
59 | /* RME, MOTU, ... */ | |
82fbb4f7 CL |
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 | ||
3b098eb4 | 73 | #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */ |