Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 2 | #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED |
| 3 | #define _UAPI_SOUND_FIREWIRE_H_INCLUDED |
| 4 | |
| 5 | #include <linux/ioctl.h> |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 6 | #include <linux/types.h> |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 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 |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 12 | #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE 0x4e617475 |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 13 | #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 14 | #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479 |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 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 | |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 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 | |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 46 | struct snd_firewire_event_digi00x_message { |
| 47 | unsigned int type; |
| 48 | __u32 message; /* Digi00x-specific message */ |
| 49 | }; |
| 50 | |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 51 | struct snd_firewire_event_motu_notification { |
| 52 | unsigned int type; |
| 53 | __u32 message; /* MOTU-specific bits. */ |
| 54 | }; |
| 55 | |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 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; |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 60 | struct snd_firewire_event_efw_response efw_response; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 61 | struct snd_firewire_event_digi00x_message digi00x_message; |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 62 | struct snd_firewire_event_motu_notification motu_notification; |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 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 |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 71 | #define SNDRV_FIREWIRE_TYPE_FIREWORKS 2 |
| 72 | #define SNDRV_FIREWIRE_TYPE_BEBOB 3 |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 73 | #define SNDRV_FIREWIRE_TYPE_OXFW 4 |
| 74 | #define SNDRV_FIREWIRE_TYPE_DIGI00X 5 |
| 75 | #define SNDRV_FIREWIRE_TYPE_TASCAM 6 |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 76 | #define SNDRV_FIREWIRE_TYPE_MOTU 7 |
| 77 | #define SNDRV_FIREWIRE_TYPE_FIREFACE 8 |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 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 */ |