drivers/media/i2c/ccs/ccs-quirk.h

Source file repositories/reference/linux-study-clean/drivers/media/i2c/ccs/ccs-quirk.h

File Facts

System
Linux kernel
Corpus path
drivers/media/i2c/ccs/ccs-quirk.h
Extension
.h
Size
2626 bytes
Lines
80
Domain
Driver Families
Bucket
drivers/media
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 ccs_quirk {
	int (*limits)(struct ccs_sensor *sensor);
	int (*post_poweron)(struct ccs_sensor *sensor);
	int (*pre_streamon)(struct ccs_sensor *sensor);
	int (*post_streamoff)(struct ccs_sensor *sensor);
	unsigned long (*pll_flags)(struct ccs_sensor *sensor);
	int (*init)(struct ccs_sensor *sensor);
	int (*reg_access)(struct ccs_sensor *sensor, bool write, u32 *reg,
			  u32 *val);
	unsigned long flags;
};

#define CCS_QUIRK_FLAG_8BIT_READ_ONLY			(1 << 0)

struct ccs_reg_8 {
	u16 reg;
	u8 val;
};

#define CCS_MK_QUIRK_REG_8(_reg, _val) \
	{				\
		.reg = (u16)_reg,	\
		.val = _val,		\
	}

#define ccs_call_quirk(sensor, _quirk, ...)				\
	((sensor)->minfo.quirk &&					\
	 (sensor)->minfo.quirk->_quirk ?				\
	 (sensor)->minfo.quirk->_quirk(sensor, ##__VA_ARGS__) : 0)

#define ccs_needs_quirk(sensor, _quirk)		\
	((sensor)->minfo.quirk ?			\
	 (sensor)->minfo.quirk->flags & _quirk : 0)

extern const struct ccs_quirk smiapp_jt8ev1_quirk;
extern const struct ccs_quirk smiapp_imx125es_quirk;
extern const struct ccs_quirk smiapp_jt8ew9_quirk;
extern const struct ccs_quirk smiapp_tcm8500md_quirk;

#endif /* __CCS_QUIRK__ */

Annotation

Implementation Notes