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 14 struct snd_firewire_event_common { 15 unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */ 16 }; 17 18 struct snd_firewire_event_lock_status { 19 unsigned int type; 20 unsigned int status; /* 0/1 = unlocked/locked */ 21 }; 22 23 struct 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 */ 30 struct 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 }; 39 struct snd_firewire_event_efw_response { 40 unsigned int type; 41 __be32 response[0]; /* some responses */ 42 }; 43 44 struct snd_firewire_event_digi00x_message { 45 unsigned int type; 46 __u32 message; /* Digi00x-specific message */ 47 }; 48 49 union 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 70 struct 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
