Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc...
[sfrench/cifs-2.6.git] / include / uapi / sound / firewire.h
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
3 #define _UAPI_SOUND_FIREWIRE_H_INCLUDED
4
5 #include <linux/ioctl.h>
6 #include <linux/types.h>
7
8 /* events can be read() from the hwdep device */
9
10 #define SNDRV_FIREWIRE_EVENT_LOCK_STATUS        0x000010cc
11 #define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION  0xd1ce004e
12 #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE       0x4e617475
13 #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE    0x746e736c
14 #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION  0x64776479
15
16 struct snd_firewire_event_common {
17         unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
18 };
19
20 struct snd_firewire_event_lock_status {
21         unsigned int type;
22         unsigned int status; /* 0/1 = unlocked/locked */
23 };
24
25 struct snd_firewire_event_dice_notification {
26         unsigned int type;
27         unsigned int notification; /* DICE-specific bits */
28 };
29
30 #define SND_EFW_TRANSACTION_USER_SEQNUM_MAX     ((__u32)((__u16)~0) - 1)
31 /* each field should be in big endian */
32 struct snd_efw_transaction {
33         __be32 length;
34         __be32 version;
35         __be32 seqnum;
36         __be32 category;
37         __be32 command;
38         __be32 status;
39         __be32 params[0];
40 };
41 struct snd_firewire_event_efw_response {
42         unsigned int type;
43         __be32 response[0];     /* some responses */
44 };
45
46 struct snd_firewire_event_digi00x_message {
47         unsigned int type;
48         __u32 message;  /* Digi00x-specific message */
49 };
50
51 struct snd_firewire_event_motu_notification {
52         unsigned int type;
53         __u32 message;  /* MOTU-specific bits. */
54 };
55
56 union snd_firewire_event {
57         struct snd_firewire_event_common            common;
58         struct snd_firewire_event_lock_status       lock_status;
59         struct snd_firewire_event_dice_notification dice_notification;
60         struct snd_firewire_event_efw_response      efw_response;
61         struct snd_firewire_event_digi00x_message   digi00x_message;
62         struct snd_firewire_event_motu_notification motu_notification;
63 };
64
65
66 #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
67 #define SNDRV_FIREWIRE_IOCTL_LOCK      _IO('H', 0xf9)
68 #define SNDRV_FIREWIRE_IOCTL_UNLOCK    _IO('H', 0xfa)
69
70 #define SNDRV_FIREWIRE_TYPE_DICE        1
71 #define SNDRV_FIREWIRE_TYPE_FIREWORKS   2
72 #define SNDRV_FIREWIRE_TYPE_BEBOB       3
73 #define SNDRV_FIREWIRE_TYPE_OXFW        4
74 #define SNDRV_FIREWIRE_TYPE_DIGI00X     5
75 #define SNDRV_FIREWIRE_TYPE_TASCAM      6
76 #define SNDRV_FIREWIRE_TYPE_MOTU        7
77 #define SNDRV_FIREWIRE_TYPE_FIREFACE    8
78
79 struct snd_firewire_get_info {
80         unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
81         unsigned int card; /* same as fw_cdev_get_info.card */
82         unsigned char guid[8];
83         char device_name[16]; /* device node in /dev */
84 };
85
86 /*
87  * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
88  * Returns -EBUSY if the driver is already streaming.
89  */
90
91 #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */