include/sound/sdca_fdl.h

Source file repositories/reference/linux-study-clean/include/sound/sdca_fdl.h

File Facts

System
Linux kernel
Corpus path
include/sound/sdca_fdl.h
Extension
.h
Size
3196 bytes
Lines
106
Domain
Driver Families
Bucket
include/sound
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

struct fdl_state {
	struct completion begin;
	struct completion done;
	struct delayed_work timeout;
	struct mutex lock;

	struct sdca_interrupt *interrupt;
	struct sdca_fdl_set *set;
	int file_index;
};

#define SDCA_CTL_XU_FDLH_COMPLETE	0
#define SDCA_CTL_XU_FDLH_MORE_FILES	SDCA_CTL_XU_FDLH_SET_IN_PROGRESS
#define SDCA_CTL_XU_FDLH_FILE_AVAILABLE	(SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
					 SDCA_CTL_XU_FDLH_SET_IN_PROGRESS)
#define SDCA_CTL_XU_FDLH_MASK		(SDCA_CTL_XU_FDLH_TRANSFERRED_CHUNK | \
					 SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
					 SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
					 SDCA_CTL_XU_FDLH_RESET_ACK | \
					 SDCA_CTL_XU_FDLH_REQ_ABORT)

#define SDCA_CTL_XU_FDLD_COMPLETE	0
#define SDCA_CTL_XU_FDLD_FILE_OK	(SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
					 SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
					 SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
					 SDCA_CTL_XU_FDLD_NEEDS_SET)
#define SDCA_CTL_XU_FDLD_MORE_FILES_OK	(SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
					 SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
					 SDCA_CTL_XU_FDLD_NEEDS_SET)
#define SDCA_CTL_XU_FDLD_MASK		(SDCA_CTL_XU_FDLD_REQ_RESET | \
					 SDCA_CTL_XU_FDLD_REQ_ABORT | \
					 SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
					 SDCA_CTL_XU_FDLD_NEEDS_SET)

#if IS_ENABLED(CONFIG_SND_SOC_SDCA_FDL)

int sdca_fdl_alloc_state(struct sdca_interrupt *interrupt);
int sdca_fdl_process(struct sdca_interrupt *interrupt);
int sdca_fdl_sync(struct device *dev, struct sdca_function_data *function,
		  struct sdca_interrupt_info *info);

int sdca_reset_function(struct device *dev, struct sdca_function_data *function,
			struct regmap *regmap);

#else

static inline int sdca_fdl_alloc_state(struct sdca_interrupt *interrupt)
{
	return 0;
}

static inline int sdca_fdl_process(struct sdca_interrupt *interrupt)
{
	return 0;
}

static inline int sdca_fdl_sync(struct device *dev,
				struct sdca_function_data *function,
				struct sdca_interrupt_info *info)
{
	return 0;
}

static inline int sdca_reset_function(struct device *dev,
				      struct sdca_function_data *function,
				      struct regmap *regmap)
{
	return 0;
}

#endif // CONFIG_SND_SOC_SDCA_FDL

#endif // __SDCA_FDL_H__

Annotation

Implementation Notes