include/sound/seq_device.h

File Facts

System

Linux kernel

Corpus path

include/sound/seq_device.h

Extension

.h

Size

2320 bytes

Lines

87

Domain

Driver Families

Bucket

include/sound

Inferred role

Driver Families: operation-table or driver-model contract

Status

pattern 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.

• 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.
• Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• struct snd_seq_device
• struct snd_seq_driver

Annotated Snippet

struct device_driver driver;
	char *id;
	int argsize;
};

#define to_seq_drv(_drv) \
	container_of(_drv, struct snd_seq_driver, driver)

/*
 * prototypes
 */
#ifdef CONFIG_MODULES
void snd_seq_device_load_drivers(void);
#else
#define snd_seq_device_load_drivers()
#endif
int snd_seq_device_new(struct snd_card *card, int device, const char *id,
		       int argsize, struct snd_seq_device **result);

#define SNDRV_SEQ_DEVICE_ARGPTR(dev) ((void *)(dev)->args)

int __must_check __snd_seq_driver_register(struct snd_seq_driver *drv,
					   struct module *mod);
#define snd_seq_driver_register(drv) \
	__snd_seq_driver_register(drv, THIS_MODULE)
void snd_seq_driver_unregister(struct snd_seq_driver *drv);

#define module_snd_seq_driver(drv) \
	module_driver(drv, snd_seq_driver_register, snd_seq_driver_unregister)

/*
 * id strings for generic devices
 */
#define SNDRV_SEQ_DEV_ID_MIDISYNTH	"seq-midi"
#define SNDRV_SEQ_DEV_ID_OPL3		"opl3-synth"
#define SNDRV_SEQ_DEV_ID_UMP		"seq-ump-client"

#endif /* __SOUND_SEQ_DEVICE_H */

Annotation

• Detected declarations: `struct snd_seq_device`, `struct snd_seq_driver`.
• Atlas domain: Driver Families / include/sound.
• Implementation status: pattern implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.