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 #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479 14 15 struct snd_firewire_event_common { 16 unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */ 17 }; 18 19 struct snd_firewire_event_lock_status { 20 unsigned int type; 21 unsigned int status; /* 0/1 = unlocked/locked */ 22 }; 23 24 struct snd_firewire_event_dice_notification { 25 unsigned int type; 26 unsigned int notification; /* DICE-specific bits */ 27 }; 28 29 #define SND_EFW_TRANSACTION_USER_SEQNUM_MAX ((__u32)((__u16)~0) - 1) 30 /* each field should be in big endian */ 31 struct snd_efw_transaction { 32 __be32 length; 33 __be32 version; 34 __be32 seqnum; 35 __be32 category; 36 __be32 command; 37 __be32 status; 38 __be32 params[0]; 39 }; 40 struct snd_firewire_event_efw_response { 41 unsigned int type; 42 __be32 response[0]; /* some responses */ 43 }; 44 45 struct snd_firewire_event_digi00x_message { 46 unsigned int type; 47 __u32 message; /* Digi00x-specific message */ 48 }; 49 50 struct snd_firewire_event_motu_notification { 51 unsigned int type; 52 __u32 message; /* MOTU-specific bits. */ 53 }; 54 55 union snd_firewire_event { 56 struct snd_firewire_event_common common; 57 struct snd_firewire_event_lock_status lock_status; 58 struct snd_firewire_event_dice_notification dice_notification; 59 struct snd_firewire_event_efw_response efw_response; 60 struct snd_firewire_event_digi00x_message digi00x_message; 61 struct snd_firewire_event_motu_notification motu_notification; 62 }; 63 64 65 #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info) 66 #define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9) 67 #define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa) 68 69 #define SNDRV_FIREWIRE_TYPE_DICE 1 70 #define SNDRV_FIREWIRE_TYPE_FIREWORKS 2 71 #define SNDRV_FIREWIRE_TYPE_BEBOB 3 72 #define SNDRV_FIREWIRE_TYPE_OXFW 4 73 #define SNDRV_FIREWIRE_TYPE_DIGI00X 5 74 #define SNDRV_FIREWIRE_TYPE_TASCAM 6 75 #define SNDRV_FIREWIRE_TYPE_MOTU 7 76 #define SNDRV_FIREWIRE_TYPE_FIREFACE 8 77 78 struct snd_firewire_get_info { 79 unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */ 80 unsigned int card; /* same as fw_cdev_get_info.card */ 81 unsigned char guid[8]; 82 char device_name[16]; /* device node in /dev */ 83 }; 84 85 /* 86 * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming. 87 * Returns -EBUSY if the driver is already streaming. 88 */ 89 90 #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */ 91