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- #ifndef SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
- #define SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
- #include <sound/pcm.h>
- #include <sound/rawmidi.h>
- #include "amdtp-stream.h"
- #define AM824_IN_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32
- #define AM824_OUT_PCM_FORMAT_BITS (SNDRV_PCM_FMTBIT_S16 | \
- SNDRV_PCM_FMTBIT_S32)
- /*
- * This module supports maximum 64 PCM channels for one PCM stream
- * This is for our convenience.
- */
- #define AM824_MAX_CHANNELS_FOR_PCM 64
- /*
- * AMDTP packet can include channels for MIDI conformant data.
- * Each MIDI conformant data channel includes 8 MPX-MIDI data stream.
- * Each MPX-MIDI data stream includes one data stream from/to MIDI ports.
- *
- * This module supports maximum 1 MIDI conformant data channels.
- * Then this AMDTP packets can transfer maximum 8 MIDI data streams.
- */
- #define AM824_MAX_CHANNELS_FOR_MIDI 1
- int amdtp_am824_set_parameters(struct amdtp_stream *s, unsigned int rate,
- unsigned int pcm_channels,
- unsigned int midi_ports,
- bool double_pcm_frames);
- void amdtp_am824_set_pcm_position(struct amdtp_stream *s, unsigned int index,
- unsigned int position);
- void amdtp_am824_set_midi_position(struct amdtp_stream *s,
- unsigned int position);
- int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s,
- struct snd_pcm_runtime *runtime);
- void amdtp_am824_set_pcm_format(struct amdtp_stream *s,
- snd_pcm_format_t format);
- void amdtp_am824_midi_trigger(struct amdtp_stream *s, unsigned int port,
- struct snd_rawmidi_substream *midi);
- int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
- enum amdtp_stream_direction dir, enum cip_flags flags);
- #endif
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