drivers/media/dvb-frontends/tda10086.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/tda10086.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/tda10086.h
Extension
.h
Size
1013 bytes
Lines
49
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

Driver for Philips tda10086 DVBS Frontend

     (c) 2006 Andrew de Quincey


   */

#ifndef TDA10086_H
#define TDA10086_H

#include <linux/dvb/frontend.h>
#include <linux/firmware.h>

enum tda10086_xtal {
	TDA10086_XTAL_16M,
	TDA10086_XTAL_4M
};

struct tda10086_config
{
	/* the demodulator's i2c address */
	u8 demod_address;

	/* does the "inversion" need inverted? */
	u8 invert;

	/* do we need the diseqc signal with carrier? */
	u8 diseqc_tone;

	/* frequency of the reference xtal */
	enum tda10086_xtal xtal_freq;
};

#if IS_REACHABLE(CONFIG_DVB_TDA10086)
extern struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
					    struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
						   struct i2c_adapter* i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif /* CONFIG_DVB_TDA10086 */

#endif /* TDA10086_H */

Annotation

Implementation Notes