drivers/media/dvb-frontends/dib0090.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/dib0090.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/dib0090.h
Extension
.h
Size
5447 bytes
Lines
185
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 dib0090_io_config {
	u32 clock_khz;

	u8 pll_bypass:1;
	u8 pll_range:1;
	u8 pll_prediv:6;
	u8 pll_loopdiv:6;

	u8 adc_clock_ratio;	/* valid is 8, 7 ,6 */
	u16 pll_int_loop_filt;
};

struct dib0090_wbd_slope {
	u16 max_freq;		/* for every frequency less than or equal to that field: this information is correct */
	u16 slope_cold;
	u16 offset_cold;
	u16 slope_hot;
	u16 offset_hot;
	u8 wbd_gain;
};

struct dib0090_low_if_offset_table {
	int std;
	u32 RF_freq;
	s32 offset_khz;
};

struct dib0090_config {
	struct dib0090_io_config io;
	int (*reset) (struct dvb_frontend *, int);
	int (*sleep) (struct dvb_frontend *, int);

	/*  offset in kHz */
	int freq_offset_khz_uhf;
	int freq_offset_khz_vhf;

	int (*get_adc_power) (struct dvb_frontend *);

	u8 clkouttobamse:1;	/* activate or deactivate clock output */
	u8 analog_output;

	u8 i2c_address;
	/* add drives and other things if necessary */
	u16 wbd_vhf_offset;
	u16 wbd_cband_offset;
	u8 use_pwm_agc;
	u8 clkoutdrive;

	u8 ls_cfg_pad_drv;
	u8 data_tx_drv;

	u8 in_soc;
	const struct dib0090_low_if_offset_table *low_if;
	u8 fref_clock_ratio;
	u16 force_cband_input;
	struct dib0090_wbd_slope *wbd;
	u8 is_dib7090e;
	u8 force_crystal_mode;
};

#if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0090)
extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
extern struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast);
extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe);
extern u16 dib0090_get_wbd_target(struct dvb_frontend *tuner);
extern u16 dib0090_get_wbd_offset(struct dvb_frontend *fe);
extern int dib0090_gain_control(struct dvb_frontend *fe);
extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
extern int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state);
extern void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt);
extern void dib0090_set_dc_servo(struct dvb_frontend *fe, u8 DC_servo_cutoff);
extern int dib0090_set_switch(struct dvb_frontend *fe, u8 sw1, u8 sw2, u8 sw3);
extern int dib0090_set_vga(struct dvb_frontend *fe, u8 onoff);
extern int dib0090_update_rframp_7090(struct dvb_frontend *fe,
		u8 cfg_sensitivity);
extern int dib0090_update_tuning_table_7090(struct dvb_frontend *fe,
		u8 cfg_sensitivity);
#else
static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}

static inline struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}

Annotation

Implementation Notes