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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>
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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