diff options
Diffstat (limited to 'sound/firewire/amdtp-stream.h')
| -rw-r--r-- | sound/firewire/amdtp-stream.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index bbbca964b9b4..f2d44e2dc3c8 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -117,6 +117,7 @@ struct amdtp_stream { /* For packet processing. */ struct fw_iso_context *context; struct iso_packets_buffer buffer; + unsigned int queue_size; int packet_index; struct pkt_desc *pkt_descs; int tag; @@ -142,6 +143,10 @@ struct amdtp_stream { // To generate CIP header. unsigned int fdf; int syt_override; + + // To generate constant hardware IRQ. + unsigned int event_count; + unsigned int events_per_period; } rx; } ctx_data; @@ -194,8 +199,6 @@ int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); void amdtp_stream_pcm_prepare(struct amdtp_stream *s); -unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s); -int amdtp_stream_pcm_ack(struct amdtp_stream *s); void amdtp_stream_pcm_abort(struct amdtp_stream *s); extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT]; @@ -272,6 +275,11 @@ static inline bool amdtp_stream_wait_callback(struct amdtp_stream *s, struct amdtp_domain { struct list_head streams; + + unsigned int events_per_period; + unsigned int events_per_buffer; + + struct amdtp_stream *irq_target; }; int amdtp_domain_init(struct amdtp_domain *d); @@ -280,7 +288,21 @@ void amdtp_domain_destroy(struct amdtp_domain *d); int amdtp_domain_add_stream(struct amdtp_domain *d, struct amdtp_stream *s, int channel, int speed); -int amdtp_domain_start(struct amdtp_domain *d); +int amdtp_domain_start(struct amdtp_domain *d, unsigned int ir_delay_cycle); void amdtp_domain_stop(struct amdtp_domain *d); +static inline int amdtp_domain_set_events_per_period(struct amdtp_domain *d, + unsigned int events_per_period, + unsigned int events_per_buffer) +{ + d->events_per_period = events_per_period; + d->events_per_buffer = events_per_buffer; + + return 0; +} + +unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d, + struct amdtp_stream *s); +int amdtp_domain_stream_pcm_ack(struct amdtp_domain *d, struct amdtp_stream *s); + #endif |