drivers/media/dvb-frontends/af9013.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/af9013.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/af9013.h
Extension
.h
Size
2716 bytes
Lines
88
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 af9013_platform_data {
	/*
	 * 20480000, 25000000, 28000000, 28800000
	 */
	u32 clk;
#define AF9013_TUNER_MXL5003D      3 /* MaxLinear */
#define AF9013_TUNER_MXL5005D     13 /* MaxLinear */
#define AF9013_TUNER_MXL5005R     30 /* MaxLinear */
#define AF9013_TUNER_ENV77H11D5  129 /* Panasonic */
#define AF9013_TUNER_MT2060      130 /* Microtune */
#define AF9013_TUNER_MC44S803    133 /* Freescale */
#define AF9013_TUNER_QT1010      134 /* Quantek */
#define AF9013_TUNER_UNKNOWN     140 /* for can tuners ? */
#define AF9013_TUNER_MT2060_2    147 /* Microtune */
#define AF9013_TUNER_TDA18271    156 /* NXP */
#define AF9013_TUNER_QT1010A     162 /* Quantek */
#define AF9013_TUNER_MXL5007T    177 /* MaxLinear */
#define AF9013_TUNER_TDA18218    179 /* NXP */
	u8 tuner;
	u32 if_frequency;
#define AF9013_TS_MODE_USB       0
#define AF9013_TS_MODE_PARALLEL  1
#define AF9013_TS_MODE_SERIAL    2
	u8 ts_mode;
	u8 ts_output_pin;
	bool spec_inv;
	u8 api_version[4];
#define AF9013_GPIO_ON (1 << 0)
#define AF9013_GPIO_EN (1 << 1)
#define AF9013_GPIO_O  (1 << 2)
#define AF9013_GPIO_I  (1 << 3)
#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
#define AF9013_GPIO_TUNER_ON  (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
	u8 gpio[4];

	struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
	struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
	int (*pid_filter_ctrl)(struct dvb_frontend *, int);
	int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
};

/*
 * AF9013/5 GPIOs (mostly guessed)
 * demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
 * demod#1-gpio#1 - xtal setting (?)
 * demod#1-gpio#3 - tuner#1
 * demod#2-gpio#0 - tuner#2
 * demod#2-gpio#1 - xtal setting (?)
 */

#endif /* AF9013_H */

Annotation

Implementation Notes