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Diffstat (limited to 'sound/firewire/tascam/tascam.h')
-rw-r--r--sound/firewire/tascam/tascam.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h
index 28c875f7808c..75a3b9a81fea 100644
--- a/sound/firewire/tascam/tascam.h
+++ b/sound/firewire/tascam/tascam.h
@@ -23,6 +23,8 @@
#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 "../amdtp-stream.h"
@@ -44,6 +46,7 @@ struct snd_tscm {
struct fw_unit *unit;
struct mutex mutex;
+ spinlock_t lock;
const struct snd_tscm_spec *spec;
@@ -52,6 +55,10 @@ struct snd_tscm {
struct amdtp_stream tx_stream;
struct amdtp_stream rx_stream;
unsigned int substreams_counter;
+
+ int dev_lock_count;
+ bool dev_lock_changed;
+ wait_queue_head_t hwdep_wait;
};
#define TSCM_ADDR_BASE 0xffff00000000ull
@@ -97,8 +104,14 @@ void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm);
int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate);
void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm);
+void snd_tscm_stream_lock_changed(struct snd_tscm *tscm);
+int snd_tscm_stream_lock_try(struct snd_tscm *tscm);
+void snd_tscm_stream_lock_release(struct snd_tscm *tscm);
+
void snd_tscm_proc_init(struct snd_tscm *tscm);
int snd_tscm_create_pcm_devices(struct snd_tscm *tscm);
+int snd_tscm_create_hwdep_device(struct snd_tscm *tscm);
+
#endif