drivers/media/dvb-frontends/atbm8830.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/atbm8830.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/atbm8830.h
Extension
.h
Size
1366 bytes
Lines
63
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 atbm8830_config {

	/* product type */
	u8 prod;

	/* the demodulator's i2c address */
	u8 demod_address;

	/* parallel or serial transport stream */
	u8 serial_ts;

	/* transport stream clock output only when receiving valid stream */
	u8 ts_clk_gated;

	/* Decoder sample TS data at rising edge of clock */
	u8 ts_sampling_edge;

	/* Oscillator clock frequency */
	u32 osc_clk_freq; /* in kHz */

	/* IF frequency */
	u32 if_freq; /* in kHz */

	/* Swap I/Q for zero IF */
	u8 zif_swap_iq;

	/* Tuner AGC settings */
	u8 agc_min;
	u8 agc_max;
	u8 agc_hold_loop;
};

#if IS_REACHABLE(CONFIG_DVB_ATBM8830)
extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
		struct i2c_adapter *i2c);
#else
static inline
struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
		struct i2c_adapter *i2c) {
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif /* CONFIG_DVB_ATBM8830 */

#endif /* __ATBM8830_H__ */

Annotation

Implementation Notes