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| author | Daniel Mack <daniel@caiaq.de> | 2010-03-04 19:46:12 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-03-05 08:16:47 +0100 |
| commit | 3e1aebef6fb55e35668d2d7cf608cf03f30c904f (patch) | |
| tree | 51e92e89e84a67ec7ac177847e66d4b34a646ce3 /sound/usb/usbmidi.h | |
| parent | bc700ab1407864ebee838de53c9565a394f4da38 (diff) | |
| download | lwn-3e1aebef6fb55e35668d2d7cf608cf03f30c904f.tar.gz lwn-3e1aebef6fb55e35668d2d7cf608cf03f30c904f.zip | |
ALSA: usb-audio: header file cleanups
Rename snd-usb-lib to snd-usbmidi-lib as MIDI functions are the only
thing it actually contains. Introduce a new header file to only declare
these functions.
Introduced usbmixer.h for all functions exported by usbmixer.c.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/usbmidi.h')
| -rw-r--r-- | sound/usb/usbmidi.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sound/usb/usbmidi.h b/sound/usb/usbmidi.h new file mode 100644 index 000000000000..2089ec987c66 --- /dev/null +++ b/sound/usb/usbmidi.h @@ -0,0 +1,48 @@ +#ifndef __USBMIDI_H +#define __USBMIDI_H + +/* maximum number of endpoints per interface */ +#define MIDI_MAX_ENDPOINTS 2 + +/* data for QUIRK_MIDI_FIXED_ENDPOINT */ +struct snd_usb_midi_endpoint_info { + int8_t out_ep; /* ep number, 0 autodetect */ + uint8_t out_interval; /* interval for interrupt endpoints */ + int8_t in_ep; + uint8_t in_interval; + uint16_t out_cables; /* bitmask */ + uint16_t in_cables; /* bitmask */ +}; + +/* for QUIRK_MIDI_YAMAHA, data is NULL */ + +/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info + * structure (out_cables and in_cables only) */ + +/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk + * structures, terminated with .ifnum = -1 */ + +/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */ + +/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */ + +/* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */ + +/* for QUIRK_IGNORE_INTERFACE, data is NULL */ + +/* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */ + +/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info + * structure (out_cables and in_cables only) */ + +/* for QUIRK_MIDI_CME, data is NULL */ + +int snd_usbmidi_create(struct snd_card *card, + struct usb_interface *iface, + struct list_head *midi_list, + const struct snd_usb_audio_quirk *quirk); +void snd_usbmidi_input_stop(struct list_head* p); +void snd_usbmidi_input_start(struct list_head* p); +void snd_usbmidi_disconnect(struct list_head *p); + +#endif /* __USBMIDI_H */ |