diff options
Diffstat (limited to 'sound/firewire/digi00x/digi00x.h')
| -rw-r--r-- | sound/firewire/digi00x/digi00x.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/firewire/digi00x/digi00x.h b/sound/firewire/digi00x/digi00x.h index 199064504a55..5ba531806262 100644 --- a/sound/firewire/digi00x/digi00x.h +++ b/sound/firewire/digi00x/digi00x.h @@ -22,6 +22,8 @@ #include <sound/info.h> #include <sound/pcm.h> #include <sound/pcm_params.h> +#include <sound/firewire.h> +#include <sound/hwdep.h> #include "../lib.h" #include "../iso-resources.h" @@ -32,6 +34,7 @@ struct snd_dg00x { struct fw_unit *unit; struct mutex mutex; + spinlock_t lock; struct amdtp_stream tx_stream; struct fw_iso_resources tx_resources; @@ -40,6 +43,12 @@ struct snd_dg00x { struct fw_iso_resources rx_resources; unsigned int substreams_counter; + + /* for uapi */ + int dev_lock_count; + bool dev_lock_changed; + wait_queue_head_t hwdep_wait; + }; #define DG00X_ADDR_BASE 0xffffe0000000ull @@ -118,8 +127,13 @@ void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x); void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x); void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x); +void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x); +int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x); +void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x); + void snd_dg00x_proc_init(struct snd_dg00x *dg00x); int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x); +int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x); #endif |