sound/usb/usx2y/usx2y.h

Source file repositories/reference/linux-study-clean/sound/usb/usx2y/usx2y.h

File Facts

System
Linux kernel
Corpus path
sound/usb/usx2y/usx2y.h
Extension
.h
Size
835 bytes
Lines
39
Domain
Driver Families
Bucket
sound/usb
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __SOUND_USX2Y_COMMON_H
#define __SOUND_USX2Y_COMMON_H


#define USX2Y_DRIVER_VERSION	0x0100	/* 0.1.0 */


/* hwdep id string */
#define SND_USX2Y_LOADER_ID		"USX2Y Loader"
#define SND_USX2Y_USBPCM_ID		"USX2Y USBPCM"

/* hardware type */
enum {
	USX2Y_TYPE_122,
	USX2Y_TYPE_224,
	USX2Y_TYPE_428,
	USX2Y_TYPE_NUMS
};

#define USB_ID_US122 0x8007
#define USB_ID_US224 0x8005
#define USB_ID_US428 0x8001

/* chip status */
enum {
	USX2Y_STAT_CHIP_INIT	=	(1 << 0),	/* all operational */
	USX2Y_STAT_CHIP_MMAP_PCM_URBS = (1 << 1),	/* pcm transport over mmaped urbs */
	USX2Y_STAT_CHIP_HUP	=	(1 << 31),	/* all operational */
};

#endif /* __SOUND_USX2Y_COMMON_H */

Annotation

Implementation Notes