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![Takashi Sakamoto](/assets/img/avatar_default.png)
It brings some inconvenience in practice to use enumerated type for variable to which bitwise OR with enumerator constant is assigned. This commit replaces declarations of enumerated type with int type. Suggested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20210518084557.102681-3-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
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#define SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED
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#include <sound/pcm.h>
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#include <sound/rawmidi.h>
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#include "amdtp-stream.h"
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#define AM824_IN_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32
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#define AM824_OUT_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32
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/*
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* This module supports maximum 64 PCM channels for one PCM stream
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* This is for our convenience.
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*/
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#define AM824_MAX_CHANNELS_FOR_PCM 64
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/*
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* AMDTP packet can include channels for MIDI conformant data.
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* Each MIDI conformant data channel includes 8 MPX-MIDI data stream.
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* Each MPX-MIDI data stream includes one data stream from/to MIDI ports.
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*
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* This module supports maximum 1 MIDI conformant data channels.
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* Then this AMDTP packets can transfer maximum 8 MIDI data streams.
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*/
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#define AM824_MAX_CHANNELS_FOR_MIDI 1
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int amdtp_am824_set_parameters(struct amdtp_stream *s, unsigned int rate,
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unsigned int pcm_channels,
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unsigned int midi_ports,
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bool double_pcm_frames);
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void amdtp_am824_set_pcm_position(struct amdtp_stream *s, unsigned int index,
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unsigned int position);
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void amdtp_am824_set_midi_position(struct amdtp_stream *s,
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unsigned int position);
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int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s,
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struct snd_pcm_runtime *runtime);
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void amdtp_am824_midi_trigger(struct amdtp_stream *s, unsigned int port,
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struct snd_rawmidi_substream *midi);
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int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
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enum amdtp_stream_direction dir, unsigned int flags);
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#endif
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