1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED 3*4882a593Smuzhiyun #define _UAPI_SOUND_FIREWIRE_H_INCLUDED 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/ioctl.h> 6*4882a593Smuzhiyun #include <linux/types.h> 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* events can be read() from the hwdep device */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_LOCK_STATUS 0x000010cc 11*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e 12*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE 0x4e617475 13*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c 14*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479 15*4882a593Smuzhiyun #define SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL 0x7473636d 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct snd_firewire_event_common { 18*4882a593Smuzhiyun unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */ 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct snd_firewire_event_lock_status { 22*4882a593Smuzhiyun unsigned int type; 23*4882a593Smuzhiyun unsigned int status; /* 0/1 = unlocked/locked */ 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct snd_firewire_event_dice_notification { 27*4882a593Smuzhiyun unsigned int type; 28*4882a593Smuzhiyun unsigned int notification; /* DICE-specific bits */ 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define SND_EFW_TRANSACTION_USER_SEQNUM_MAX ((__u32)((__u16)~0) - 1) 32*4882a593Smuzhiyun /* each field should be in big endian */ 33*4882a593Smuzhiyun struct snd_efw_transaction { 34*4882a593Smuzhiyun __be32 length; 35*4882a593Smuzhiyun __be32 version; 36*4882a593Smuzhiyun __be32 seqnum; 37*4882a593Smuzhiyun __be32 category; 38*4882a593Smuzhiyun __be32 command; 39*4882a593Smuzhiyun __be32 status; 40*4882a593Smuzhiyun __be32 params[0]; 41*4882a593Smuzhiyun }; 42*4882a593Smuzhiyun struct snd_firewire_event_efw_response { 43*4882a593Smuzhiyun unsigned int type; 44*4882a593Smuzhiyun __be32 response[0]; /* some responses */ 45*4882a593Smuzhiyun }; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun struct snd_firewire_event_digi00x_message { 48*4882a593Smuzhiyun unsigned int type; 49*4882a593Smuzhiyun __u32 message; /* Digi00x-specific message */ 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct snd_firewire_event_motu_notification { 53*4882a593Smuzhiyun unsigned int type; 54*4882a593Smuzhiyun __u32 message; /* MOTU-specific bits. */ 55*4882a593Smuzhiyun }; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct snd_firewire_tascam_change { 58*4882a593Smuzhiyun unsigned int index; 59*4882a593Smuzhiyun __be32 before; 60*4882a593Smuzhiyun __be32 after; 61*4882a593Smuzhiyun }; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun struct snd_firewire_event_tascam_control { 64*4882a593Smuzhiyun unsigned int type; 65*4882a593Smuzhiyun struct snd_firewire_tascam_change changes[0]; 66*4882a593Smuzhiyun }; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun union snd_firewire_event { 69*4882a593Smuzhiyun struct snd_firewire_event_common common; 70*4882a593Smuzhiyun struct snd_firewire_event_lock_status lock_status; 71*4882a593Smuzhiyun struct snd_firewire_event_dice_notification dice_notification; 72*4882a593Smuzhiyun struct snd_firewire_event_efw_response efw_response; 73*4882a593Smuzhiyun struct snd_firewire_event_digi00x_message digi00x_message; 74*4882a593Smuzhiyun struct snd_firewire_event_tascam_control tascam_control; 75*4882a593Smuzhiyun struct snd_firewire_event_motu_notification motu_notification; 76*4882a593Smuzhiyun }; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info) 80*4882a593Smuzhiyun #define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9) 81*4882a593Smuzhiyun #define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa) 82*4882a593Smuzhiyun #define SNDRV_FIREWIRE_IOCTL_TASCAM_STATE _IOR('H', 0xfb, struct snd_firewire_tascam_state) 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_DICE 1 85*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_FIREWORKS 2 86*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_BEBOB 3 87*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_OXFW 4 88*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_DIGI00X 5 89*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_TASCAM 6 90*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_MOTU 7 91*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TYPE_FIREFACE 8 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun struct snd_firewire_get_info { 94*4882a593Smuzhiyun unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */ 95*4882a593Smuzhiyun unsigned int card; /* same as fw_cdev_get_info.card */ 96*4882a593Smuzhiyun unsigned char guid[8]; 97*4882a593Smuzhiyun char device_name[16]; /* device node in /dev */ 98*4882a593Smuzhiyun }; 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun /* 101*4882a593Smuzhiyun * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming. 102*4882a593Smuzhiyun * Returns -EBUSY if the driver is already streaming. 103*4882a593Smuzhiyun */ 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun #define SNDRV_FIREWIRE_TASCAM_STATE_COUNT 64 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun struct snd_firewire_tascam_state { 108*4882a593Smuzhiyun __be32 data[SNDRV_FIREWIRE_TASCAM_STATE_COUNT]; 109*4882a593Smuzhiyun }; 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */ 112