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#define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE	0x746e736c
13
14struct snd_firewire_event_common {
15	unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
16};
17
18struct snd_firewire_event_lock_status {
19	unsigned int type;
20	unsigned int status; /* 0/1 = unlocked/locked */
21};
22
23struct snd_firewire_event_dice_notification {
24	unsigned int type;
25	unsigned int notification; /* DICE-specific bits */
26};
27
28#define SND_EFW_TRANSACTION_USER_SEQNUM_MAX	((__u32)((__u16)~0) - 1)
29/* each field should be in big endian */
30struct snd_efw_transaction {
31	__be32 length;
32	__be32 version;
33	__be32 seqnum;
34	__be32 category;
35	__be32 command;
36	__be32 status;
37	__be32 params[0];
38};
39struct snd_firewire_event_efw_response {
40	unsigned int type;
41	__be32 response[0];	/* some responses */
42};
43
44struct snd_firewire_event_digi00x_message {
45	unsigned int type;
46	__u32 message;	/* Digi00x-specific message */
47};
48
49union snd_firewire_event {
50	struct snd_firewire_event_common            common;
51	struct snd_firewire_event_lock_status       lock_status;
52	struct snd_firewire_event_dice_notification dice_notification;
53	struct snd_firewire_event_efw_response      efw_response;
54	struct snd_firewire_event_digi00x_message   digi00x_message;
55};
56
57
58#define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
59#define SNDRV_FIREWIRE_IOCTL_LOCK      _IO('H', 0xf9)
60#define SNDRV_FIREWIRE_IOCTL_UNLOCK    _IO('H', 0xfa)
61
62#define SNDRV_FIREWIRE_TYPE_DICE	1
63#define SNDRV_FIREWIRE_TYPE_FIREWORKS	2
64#define SNDRV_FIREWIRE_TYPE_BEBOB	3
65#define SNDRV_FIREWIRE_TYPE_OXFW	4
66#define SNDRV_FIREWIRE_TYPE_DIGI00X	5
67#define SNDRV_FIREWIRE_TYPE_TASCAM	6
68/* RME, MOTU, ... */
69
70struct snd_firewire_get_info {
71	unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
72	unsigned int card; /* same as fw_cdev_get_info.card */
73	unsigned char guid[8];
74	char device_name[16]; /* device node in /dev */
75};
76
77/*
78 * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
79 * Returns -EBUSY if the driver is already streaming.
80 */
81
82#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */
83