drivers/media/dvb-frontends/drxd.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/drxd.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/drxd.h
Extension
.h
Size
1116 bytes
Lines
56
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 drxd_config {
	u8 index;

	u8 pll_address;
	u8 pll_type;
#define DRXD_PLL_NONE     0
#define DRXD_PLL_DTT7520X 1
#define DRXD_PLL_MT3X0823 2

	u32 clock;
	u8 insert_rs_byte;

	u8 demod_address;
	u8 demoda_address;
	u8 demod_revision;

	/* If the tuner is not behind an i2c gate, be sure to flip this bit
	   or else the i2c bus could get wedged */
	u8 disable_i2c_gate_ctrl;

	u32 IF;
	 s16(*osc_deviation) (void *priv, s16 dev, int flag);
};

#if IS_REACHABLE(CONFIG_DVB_DRXD)
extern
struct dvb_frontend *drxd_attach(const struct drxd_config *config,
				 void *priv, struct i2c_adapter *i2c,
				 struct device *dev);
#else
static inline
struct dvb_frontend *drxd_attach(const struct drxd_config *config,
				 void *priv, struct i2c_adapter *i2c,
				 struct device *dev)
{
	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
	       __func__);
	return NULL;
}
#endif

#endif

Annotation

Implementation Notes