dib7000p.h

来自「linux内核源码」· C头文件 代码 · 共 47 行

#ifndef DIB7000P_H
#define DIB7000P_H

#include "dibx000_common.h"

struct dib7000p_config {
	u8 output_mpeg2_in_188_bytes;
	u8 hostbus_diversity;
	u8 tuner_is_baseband;
	int (*update_lna) (struct dvb_frontend *, u16 agc_global);

	u8 agc_config_count;
	struct dibx000_agc_config *agc;
	struct dibx000_bandwidth_config *bw;

#define DIB7000P_GPIO_DEFAULT_DIRECTIONS 0xffff
	u16 gpio_dir;
#define DIB7000P_GPIO_DEFAULT_VALUES     0x0000
	u16 gpio_val;
#define DIB7000P_GPIO_PWM_POS0(v)        ((v & 0xf) << 12)
#define DIB7000P_GPIO_PWM_POS1(v)        ((v & 0xf) << 8 )
#define DIB7000P_GPIO_PWM_POS2(v)        ((v & 0xf) << 4 )
#define DIB7000P_GPIO_PWM_POS3(v)         (v & 0xf)
#define DIB7000P_GPIO_DEFAULT_PWM_POS    0xffff
	u16 gpio_pwm_pos;

	u16 pwm_freq_div;

	u8 quartz_direct;

	u8 spur_protect;

	int (*agc_control) (struct dvb_frontend *, u8 before);
};

#define DEFAULT_DIB7000P_I2C_ADDRESS 18

extern struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg);
extern int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]);

extern struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int);
extern int dib7000pc_detection(struct i2c_adapter *i2c_adap);
extern int dib7000p_set_gpio(struct dvb_frontend *, u8 num, u8 dir, u8 val);
extern int dib7000p_set_wbd_ref(struct dvb_frontend *, u16 value);

#endif