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ALSA: usb-audio: header file cleanups

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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>
This commit is contained in:
Daniel Mack 2010-03-04 19:46:12 +01:00 committed by Takashi Iwai
parent bc700ab140
commit 3e1aebef6f
10 changed files with 72 additions and 57 deletions
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11
sound/usb/Makefile
View File

@ -3,12 +3,13 @@
#
snd-usb-audio-objs := usbaudio.o usbmixer.o
snd-usb-lib-objs := usbmidi.o
snd-usbmidi-lib-objs := usbmidi.o
# Toplevel Module Dependency
obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usb-lib.o
obj-$(CONFIG_SND_USB_UA101) += snd-usb-lib.o
obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-lib.o
obj-$(CONFIG_SND_USB_US122L) += snd-usb-lib.o
obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usbmidi-lib.o
obj-$(CONFIG_SND_USB_UA101) += snd-usbmidi-lib.o
obj-$(CONFIG_SND_USB_USX2Y) += snd-usbmidi-lib.o
obj-$(CONFIG_SND_USB_US122L) += snd-usbmidi-lib.o
obj-$(CONFIG_SND) += misc/ usx2y/ caiaq/

1
sound/usb/misc/ua101.c
View File

@ -24,6 +24,7 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "../usbaudio.h"
#include "../usbmidi.h"
MODULE_DESCRIPTION("Edirol UA-101/1000 driver");
MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");

3
sound/usb/usbaudio.c
View File

@ -56,7 +56,8 @@
#include <sound/initval.h>
#include "usbaudio.h"
#include "usbmidi.h"
#include "usbmixer.h"
MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("USB Audio");

51
sound/usb/usbaudio.h
View File

@ -21,9 +21,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* maximum number of endpoints per interface */
#define MIDI_MAX_ENDPOINTS 2
/* handling of USB vendor/product ID pairs as 32-bit numbers */
#define USB_ID(vendor, product) (((vendor) << 16) | (product))
#define USB_ID_VENDOR(id) ((id) >> 16)
@ -89,39 +86,6 @@ struct snd_usb_audio_quirk {
const void *data;
};
/* 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_UAXX, 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 */
/*
*/
@ -148,21 +112,6 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value, __u16 index,
void *data, __u16 size, int timeout);
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error);
void snd_usb_mixer_disconnect(struct list_head *p);
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);
void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
unsigned char samplerate_id);
/*
* retrieve usb_interface descriptor from the host interface
* (conditional for compatibility with the older API)

1
sound/usb/usbmidi.c
View File

@ -53,6 +53,7 @@
#include <sound/rawmidi.h>
#include <sound/asequencer.h>
#include "usbaudio.h"
#include "usbmidi.h"
/*

48
sound/usb/usbmidi.h Normal file
View File

@ -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 */

1
sound/usb/usbmixer.c
View File

@ -41,6 +41,7 @@
#include <sound/tlv.h>
#include "usbaudio.h"
#include "usbmixer.h"
/*
*/

11
sound/usb/usbmixer.h Normal file
View File

@ -0,0 +1,11 @@
#ifndef __USBMIXER_H
#define __USBMIXER_H
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error);
void snd_usb_mixer_disconnect(struct list_head *p);
void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
unsigned char samplerate_id);
#endif /* __USBMIXER_H */

1
sound/usb/usx2y/us122l.c
View File

@ -25,6 +25,7 @@
#define MODNAME "US122L"
#include "usb_stream.c"
#include "../usbaudio.h"
#include "../usbmidi.h"
#include "us122l.h"
MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>");

1
sound/usb/usx2y/usbusx2y.h
View File

@ -1,6 +1,7 @@
#ifndef USBUSX2Y_H
#define USBUSX2Y_H
#include "../usbaudio.h"
#include "../usbmidi.h"
#include "usbus428ctldefs.h"
#define NRURBS 2