include/linux/platform_data/asoc-s3c.h

Source file repositories/reference/linux-study-clean/include/linux/platform_data/asoc-s3c.h

File Facts

System
Linux kernel
Corpus path
include/linux/platform_data/asoc-s3c.h
Extension
.h
Size
1312 bytes
Lines
47
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct samsung_i2s_type {
/* If the Primary DAI has 5.1 Channels */
#define QUIRK_PRI_6CHAN		(1 << 0)
/* If the I2S block has a Stereo Overlay Channel */
#define QUIRK_SEC_DAI		(1 << 1)
/*
 * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
 * The Machine driver must provide suitably set clock to the I2S block.
 */
#define QUIRK_NO_MUXPSR		(1 << 2)
#define QUIRK_NEED_RSTCLR	(1 << 3)
#define QUIRK_SUPPORTS_TDM	(1 << 4)
#define QUIRK_SUPPORTS_IDMA	(1 << 5)
	/* Quirks of the I2S controller */
	u32 quirks;
	dma_addr_t idma_addr;
};

/**
 * struct s3c_audio_pdata - common platform data for audio device drivers
 * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
 */
struct s3c_audio_pdata {
	int (*cfg_gpio)(struct platform_device *);
	dma_filter_fn dma_filter;
	void *dma_playback;
	void *dma_capture;
	void *dma_play_sec;
	void *dma_capture_mic;
	struct samsung_i2s_type type;
};

Annotation

Implementation Notes