diff options
Diffstat (limited to 'sound/firewire/motu/motu.h')
| -rw-r--r-- | sound/firewire/motu/motu.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/firewire/motu/motu.h b/sound/firewire/motu/motu.h index cb7324d0d558..cb6b57353cc1 100644 --- a/sound/firewire/motu/motu.h +++ b/sound/firewire/motu/motu.h @@ -22,6 +22,16 @@ #include "../lib.h" +struct snd_motu_packet_format { + unsigned char midi_flag_offset; + unsigned char midi_byte_offset; + unsigned char pcm_byte_offset; + + unsigned char msg_chunks; + unsigned char fixed_part_pcm_chunks[3]; + unsigned char differed_part_pcm_chunks[3]; +}; + struct snd_motu { struct snd_card *card; struct fw_unit *unit; @@ -32,6 +42,10 @@ struct snd_motu { /* Model dependent information. */ const struct snd_motu_spec *spec; + + /* For packet streaming */ + struct snd_motu_packet_format tx_packet_formats; + struct snd_motu_packet_format rx_packet_formats; }; enum snd_motu_spec_flags { @@ -46,12 +60,41 @@ enum snd_motu_spec_flags { SND_MOTU_SPEC_HAS_MIDI = 0x0100, }; +#define SND_MOTU_CLOCK_RATE_COUNT 6 +extern const unsigned int snd_motu_clock_rates[SND_MOTU_CLOCK_RATE_COUNT]; + +enum snd_motu_clock_source { + SND_MOTU_CLOCK_SOURCE_INTERNAL, + SND_MOTU_CLOCK_SOURCE_ADAT_ON_DSUB, + SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT, + SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_A, + SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_B, + SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT, + SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A, + SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B, + SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX, + SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR, + SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC, + SND_MOTU_CLOCK_SOURCE_UNKNOWN, +}; + +struct snd_motu_protocol { + int (*get_clock_rate)(struct snd_motu *motu, unsigned int *rate); + int (*set_clock_rate)(struct snd_motu *motu, unsigned int rate); + int (*get_clock_source)(struct snd_motu *motu, + enum snd_motu_clock_source *source); + int (*switch_fetching_mode)(struct snd_motu *motu, bool enable); + int (*cache_packet_formats)(struct snd_motu *motu); +}; + struct snd_motu_spec { const char *const name; enum snd_motu_spec_flags flags; unsigned char analog_in_ports; unsigned char analog_out_ports; + + const struct snd_motu_protocol *const protocol; }; #endif |