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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
5955815e TS |
2 | #ifndef SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED |
3 | #define SOUND_FIREWIRE_AMDTP_AM824_H_INCLUDED | |
4 | ||
bc8500da | 5 | #include <sound/pcm.h> |
03e2a67e | 6 | #include <sound/rawmidi.h> |
bc8500da | 7 | |
5955815e TS |
8 | #include "amdtp-stream.h" |
9 | ||
df075fee TS |
10 | #define AM824_IN_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32 |
11 | ||
a02cb8f8 | 12 | #define AM824_OUT_PCM_FORMAT_BITS SNDRV_PCM_FMTBIT_S32 |
df075fee TS |
13 | |
14 | /* | |
15 | * This module supports maximum 64 PCM channels for one PCM stream | |
16 | * This is for our convenience. | |
17 | */ | |
18 | #define AM824_MAX_CHANNELS_FOR_PCM 64 | |
19 | ||
20 | /* | |
21 | * AMDTP packet can include channels for MIDI conformant data. | |
22 | * Each MIDI conformant data channel includes 8 MPX-MIDI data stream. | |
23 | * Each MPX-MIDI data stream includes one data stream from/to MIDI ports. | |
24 | * | |
25 | * This module supports maximum 1 MIDI conformant data channels. | |
26 | * Then this AMDTP packets can transfer maximum 8 MIDI data streams. | |
27 | */ | |
28 | #define AM824_MAX_CHANNELS_FOR_MIDI 1 | |
29 | ||
51c29fd2 TS |
30 | int amdtp_am824_set_parameters(struct amdtp_stream *s, unsigned int rate, |
31 | unsigned int pcm_channels, | |
32 | unsigned int midi_ports, | |
33 | bool double_pcm_frames); | |
34 | ||
f65be911 TS |
35 | void amdtp_am824_set_pcm_position(struct amdtp_stream *s, unsigned int index, |
36 | unsigned int position); | |
37 | ||
38 | void amdtp_am824_set_midi_position(struct amdtp_stream *s, | |
39 | unsigned int position); | |
40 | ||
bc8500da TS |
41 | int amdtp_am824_add_pcm_hw_constraints(struct amdtp_stream *s, |
42 | struct snd_pcm_runtime *runtime); | |
43 | ||
03e2a67e TS |
44 | void amdtp_am824_midi_trigger(struct amdtp_stream *s, unsigned int port, |
45 | struct snd_rawmidi_substream *midi); | |
46 | ||
5955815e TS |
47 | int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit, |
48 | enum amdtp_stream_direction dir, enum cip_flags flags); | |
49 | #endif |