9.2.2. Frontend drivers¶
9.2.2.1. Frontend attach headers¶
- 
struct a8293_platform_data¶
- Platform data for the a8293 driver 
Definition:
struct a8293_platform_data {
    struct dvb_frontend *dvb_frontend;
    int volt_slew_nanos_per_mv;
};
Members
- dvb_frontend
- DVB frontend. 
- volt_slew_nanos_per_mv
- Slew rate when increasing LNB voltage, in nanoseconds per millivolt. 
- 
struct af9013_platform_data¶
- Platform data for the af9013 driver 
Definition:
struct af9013_platform_data {
    u32 clk;
#define AF9013_TUNER_MXL5003D      3 ;
#define AF9013_TUNER_MXL5005D     13 ;
#define AF9013_TUNER_MXL5005R     30 ;
#define AF9013_TUNER_ENV77H11D5  129 ;
#define AF9013_TUNER_MT2060      130 ;
#define AF9013_TUNER_MC44S803    133 ;
#define AF9013_TUNER_QT1010      134 ;
#define AF9013_TUNER_UNKNOWN     140 ;
#define AF9013_TUNER_MT2060_2    147 ;
#define AF9013_TUNER_TDA18271    156 ;
#define AF9013_TUNER_QT1010A     162 ;
#define AF9013_TUNER_MXL5007T    177 ;
#define AF9013_TUNER_TDA18218    179 ;
    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);
};
Members
- clk
- Clock frequency. 
- tuner
- Used tuner model. 
- if_frequency
- IF frequency. 
- ts_mode
- TS mode. 
- ts_output_pin
- TS output pin. 
- spec_inv
- Input spectrum inverted. 
- api_version
- Firmware API version. 
- gpio
- GPIOs. 
- get_dvb_frontend
- Get DVB frontend callback. 
- get_i2c_adapter
- Get I2C adapter. 
- pid_filter_ctrl
- Control PID filter. 
- pid_filter
- Set PID to PID filter. 
- 
struct ascot2e_config¶
- the configuration of Ascot2E tuner driver 
Definition:
struct ascot2e_config {
    u8 i2c_address;
    u8 xtal_freq_mhz;
    void *set_tuner_priv;
    int (*set_tuner_callback)(void *, int);
};
Members
- i2c_address
- I2C address of the tuner 
- xtal_freq_mhz
- Oscillator frequency, MHz 
- set_tuner_priv
- Callback function private context 
- set_tuner_callback
- Callback function that notifies the parent driver which tuner is active now 
- 
struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe, const struct ascot2e_config *config, struct i2c_adapter *i2c)¶
- Attach an ascot2e tuner 
Parameters
- struct dvb_frontend *fe
- frontend to be attached 
- const struct ascot2e_config *config
- pointer to - struct ascot2e_configwith tuner configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct cxd2820r_platform_data¶
- Platform data for the cxd2820r driver 
Definition:
struct cxd2820r_platform_data {
    u8 ts_mode;
    bool ts_clk_inv;
    bool if_agc_polarity;
    bool spec_inv;
    int **gpio_chip_base;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
};
Members
- ts_mode
- TS mode. 
- ts_clk_inv
- TS clock inverted. 
- if_agc_polarity
- IF AGC polarity. 
- spec_inv
- Input spectrum inverted. 
- gpio_chip_base
- GPIO. 
- get_dvb_frontend
- Get DVB frontend. 
- 
struct cxd2820r_config¶
- configuration for cxd2020r demod 
Definition:
struct cxd2820r_config {
    u8 i2c_address;
    u8 ts_mode;
    bool ts_clock_inv;
    bool if_agc_polarity;
    bool spec_inv;
};
Members
- i2c_address
- Demodulator I2C address. Driver determines DVB-C slave I2C address automatically from master address. Default: none, must set. Values: 0x6c, 0x6d. 
- ts_mode
- TS output mode. Default: none, must set. Values: FIXME? 
- ts_clock_inv
- TS clock inverted. Default: 0. Values: 0, 1. 
- if_agc_polarity
- Default: 0. Values: 0, 1 
- spec_inv
- Spectrum inversion. Default: 0. Values: 0, 1. 
- 
struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *config, struct i2c_adapter *i2c, int *gpio_chip_base)¶
- Attach a cxd2820r demod 
Parameters
- const struct cxd2820r_config *config
- pointer to - struct cxd2820r_configwith demod configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
- int *gpio_chip_base
- if zero, disables GPIO setting. Otherwise, if CONFIG_GPIOLIB is set dynamically allocate gpio base; if is not set, use its value to setup the GPIO pins. 
Return
FE pointer on success, NULL on failure.
- 
struct drxk_config¶
- Configure the initial parameters for DRX-K 
Definition:
struct drxk_config {
    u8 adr;
    bool single_master;
    bool no_i2c_bridge;
    bool parallel_ts;
    bool dynamic_clk;
    bool enable_merr_cfg;
    bool antenna_dvbt;
    u16 antenna_gpio;
    u8 mpeg_out_clk_strength;
    int chunk_size;
    const char      *microcode_name;
    int qam_demod_parameter_count;
};
Members
- adr
- I2C address of the DRX-K 
- single_master
- Device is on the single master mode 
- no_i2c_bridge
- Don’t switch the I2C bridge to talk with tuner 
- parallel_ts
- True means that the device uses parallel TS, Serial otherwise. 
- dynamic_clk
- True means that the clock will be dynamically adjusted. Static clock otherwise. 
- enable_merr_cfg
- Enable SIO_PDR_PERR_CFG/SIO_PDR_MVAL_CFG. 
- antenna_dvbt
- GPIO bit for changing antenna to DVB-C. A value of 1 means that 1=DVBC, 0 = DVBT. Zero means the opposite. 
- antenna_gpio
- GPIO bit used to control the antenna 
- mpeg_out_clk_strength
- DRXK Mpeg output clock drive strength. 
- chunk_size
- maximum size for I2C messages 
- microcode_name
- Name of the firmware file with the microcode 
- qam_demod_parameter_count
- The number of parameters used for the command to set the demodulator parameters. All firmwares are using the 2-parameter command. An exception is the - drxk_a3.mcfirmware, which uses the 4-parameter command. A value of 0 (default) or lower indicates that the correct number of parameters will be automatically detected.
Description
On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is
UIO-3.
- 
struct dvb_frontend *drxk_attach(const struct drxk_config *config, struct i2c_adapter *i2c)¶
- Attach a drxk demod 
Parameters
- const struct drxk_config *config
- pointer to - struct drxk_configwith demod configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, unsigned int pll_desc_id)¶
- Attach a dvb-pll to the supplied frontend structure. 
Parameters
- struct dvb_frontend *fe
- Frontend to attach to. 
- int pll_addr
- i2c address of the PLL (if used). 
- struct i2c_adapter *i2c
- i2c adapter to use (set to NULL if not used). 
- unsigned int pll_desc_id
- dvb_pll_desc to use. 
Return
Frontend pointer on success, NULL on failure
- 
struct helene_config¶
- the configuration of ‘Helene’ tuner driver 
Definition:
struct helene_config {
    u8 i2c_address;
    u8 xtal_freq_mhz;
    void *set_tuner_priv;
    int (*set_tuner_callback)(void *, int);
    enum helene_xtal xtal;
    struct dvb_frontend *fe;
};
Members
- i2c_address
- I2C address of the tuner 
- xtal_freq_mhz
- Oscillator frequency, MHz 
- set_tuner_priv
- Callback function private context 
- set_tuner_callback
- Callback function that notifies the parent driver which tuner is active now 
- xtal
- Cristal frequency as described by - enum helene_xtal
- fe
- Frontend for which connects this tuner 
- 
struct dvb_frontend *helene_attach(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c)¶
- Attach a helene tuner (terrestrial and cable standards) 
Parameters
- struct dvb_frontend *fe
- frontend to be attached 
- const struct helene_config *config
- pointer to - struct helene_configwith tuner configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c)¶
- Attach a helene tuner (satellite standards) 
Parameters
- struct dvb_frontend *fe
- frontend to be attached 
- const struct helene_config *config
- pointer to - struct helene_configwith tuner configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct horus3a_config¶
- the configuration of Horus3A tuner driver 
Definition:
struct horus3a_config {
    u8 i2c_address;
    u8 xtal_freq_mhz;
    void *set_tuner_priv;
    int (*set_tuner_callback)(void *, int);
};
Members
- i2c_address
- I2C address of the tuner 
- xtal_freq_mhz
- Oscillator frequency, MHz 
- set_tuner_priv
- Callback function private context 
- set_tuner_callback
- Callback function that notifies the parent driver which tuner is active now 
- 
struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, const struct horus3a_config *config, struct i2c_adapter *i2c)¶
- Attach a horus3a tuner 
Parameters
- struct dvb_frontend *fe
- frontend to be attached 
- const struct horus3a_config *config
- pointer to - struct helene_configwith tuner configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct ix2505v_config¶
- ix2505 attachment configuration 
Definition:
struct ix2505v_config {
    u8 tuner_address;
    u8 tuner_gain;
    u8 tuner_chargepump;
    int min_delay_ms;
    u8 tuner_write_only;
};
Members
- tuner_address
- tuner address 
- tuner_gain
- Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB 
- tuner_chargepump
- Charge pump output +/- 0=120 1=260 2=555 3=1200(default) 
- min_delay_ms
- delay after tune 
- tuner_write_only
- disables reads 
- 
struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, const struct ix2505v_config *config, struct i2c_adapter *i2c)¶
- Attach a ix2505v tuner to the supplied frontend structure. 
Parameters
- struct dvb_frontend *fe
- Frontend to attach to. 
- const struct ix2505v_config *config
- pointer to - struct ix2505v_config
- struct i2c_adapter *i2c
- pointer to - struct i2c_adapter.
Return
FE pointer on success, NULL on failure.
- 
enum m88ds3103_ts_mode¶
- TS connection mode 
Constants
- M88DS3103_TS_SERIAL
- TS output pin D0, normal 
- M88DS3103_TS_SERIAL_D7
- TS output pin D7 
- M88DS3103_TS_PARALLEL
- TS Parallel mode 
- M88DS3103_TS_CI
- TS CI Mode 
- 
enum m88ds3103_clock_out¶
Constants
- M88DS3103_CLOCK_OUT_DISABLED
- Clock output is disabled 
- M88DS3103_CLOCK_OUT_ENABLED
- Clock output is enabled with crystal clock. 
- M88DS3103_CLOCK_OUT_ENABLED_DIV2
- Clock output is enabled with half crystal clock. 
- 
struct m88ds3103_platform_data¶
- Platform data for the m88ds3103 driver 
Definition:
struct m88ds3103_platform_data {
    u32 clk;
    u16 i2c_wr_max;
    enum m88ds3103_ts_mode ts_mode;
    u32 ts_clk;
    enum m88ds3103_clock_out clk_out;
    u8 ts_clk_pol:1;
    u8 spec_inv:1;
    u8 agc;
    u8 agc_inv:1;
    u8 envelope_mode:1;
    u8 lnb_hv_pol:1;
    u8 lnb_en_pol:1;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
    struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
};
Members
- clk
- Clock frequency. 
- i2c_wr_max
- Max bytes I2C adapter can write at once. 
- ts_mode
- TS mode. 
- ts_clk
- TS clock (KHz). 
- clk_out
- Clock output. 
- ts_clk_pol
- TS clk polarity. 1-active at falling edge; 0-active at rising edge. 
- spec_inv
- Input spectrum inversion. 
- agc
- AGC configuration. 
- agc_inv
- AGC polarity. 
- envelope_mode
- DiSEqC envelope mode. 
- lnb_hv_pol
- LNB H/V pin polarity. 0: pin high set to VOLTAGE_18, pin low to set VOLTAGE_13. 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18. 
- lnb_en_pol
- LNB enable pin polarity. 0: pin high to disable, pin low to enable. 1: pin high to enable, pin low to disable. 
- get_dvb_frontend
- Get DVB frontend. 
- get_i2c_adapter
- Get I2C adapter. 
- 
struct m88ds3103_config¶
- m88ds3102 configuration 
Definition:
struct m88ds3103_config {
    u8 i2c_addr;
    u32 clock;
    u16 i2c_wr_max;
    u8 ts_mode;
    u32 ts_clk;
    u8 ts_clk_pol:1;
    u8 spec_inv:1;
    u8 agc_inv:1;
    u8 clock_out;
    u8 envelope_mode:1;
    u8 agc;
    u8 lnb_hv_pol:1;
    u8 lnb_en_pol:1;
};
Members
- i2c_addr
- I2C address. Default: none, must set. Example: 0x68, ... 
- clock
- Device’s clock. Default: none, must set. Example: 27000000 
- i2c_wr_max
- Max bytes I2C provider is asked to write at once. Default: none, must set. Example: 33, 65, ... 
- ts_mode
- TS output mode, as defined by - enum m88ds3103_ts_mode. Default: M88DS3103_TS_SERIAL.
- ts_clk
- TS clk in KHz. Default: 0. 
- ts_clk_pol
- TS clk polarity.Default: 0. 1-active at falling edge; 0-active at rising edge. 
- spec_inv
- Spectrum inversion. Default: 0. 
- agc_inv
- AGC polarity. Default: 0. 
- clock_out
- Clock output, as defined by - enum m88ds3103_clock_out. Default: M88DS3103_CLOCK_OUT_DISABLED.
- envelope_mode
- DiSEqC envelope mode. Default: 0. 
- agc
- AGC configuration. Default: none, must set. 
- lnb_hv_pol
- LNB H/V pin polarity. Default: 0. Values: 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18; 0: pin high set to VOLTAGE_18, pin low to set VOLTAGE_13. 
- lnb_en_pol
- LNB enable pin polarity. Default: 0. Values: 1: pin high to enable, pin low to disable; 0: pin high to disable, pin low to enable. 
- 
struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *config, struct i2c_adapter *i2c, struct i2c_adapter **tuner_i2c)¶
- Attach a m88ds3103 demod 
Parameters
- const struct m88ds3103_config *config
- pointer to - struct m88ds3103_configwith demod configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
- struct i2c_adapter **tuner_i2c
- on success, returns the I2C adapter associated with m88ds3103 tuner. 
Return
FE pointer on success, NULL on failure.
Note
Do not add new m88ds3103_attach() users! Use I2C bindings instead.
- 
struct mb86a20s_config¶
- Define the per-device attributes of the frontend 
Definition:
struct mb86a20s_config {
    u32 fclk;
    u8 demod_address;
    bool is_serial;
};
Members
- fclk
- Clock frequency. If zero, assumes the default (32.57142 Mhz) 
- demod_address
- the demodulator’s i2c address 
- is_serial
- if true, TS is serial. Otherwise, TS is parallel 
- 
struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config, struct i2c_adapter *i2c)¶
- Attach a mb86a20s demod 
Parameters
- const struct mb86a20s_config *config
- pointer to - struct mb86a20s_configwith demod configuration.
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct mn88472_config¶
- Platform data for the mn88472 driver 
Definition:
struct mn88472_config {
    unsigned int xtal;
#define MN88472_TS_MODE_SERIAL      0;
#define MN88472_TS_MODE_PARALLEL    1;
    int ts_mode;
#define MN88472_TS_CLK_FIXED        0;
#define MN88472_TS_CLK_VARIABLE     1;
    int ts_clock;
    u16 i2c_wr_max;
    struct dvb_frontend **fe;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
};
Members
- xtal
- Clock frequency. 
- ts_mode
- TS mode. 
- ts_clock
- TS clock config. 
- i2c_wr_max
- Max number of bytes driver writes to I2C at once. 
- fe
- pointer to a frontend pointer 
- get_dvb_frontend
- Get DVB frontend callback. 
- 
struct rtl2830_platform_data¶
- Platform data for the rtl2830 driver 
Definition:
struct rtl2830_platform_data {
    u32 clk;
    bool spec_inv;
    u8 vtop;
    u8 krf;
    u8 agc_targ_val;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
    struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
    int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
    int (*pid_filter_ctrl)(struct dvb_frontend *, int);
};
Members
- clk
- Clock frequency (4000000, 16000000, 25000000, 28800000). 
- spec_inv
- Spectrum inversion. 
- vtop
- AGC take-over point. 
- krf
- AGC ratio. 
- agc_targ_val
- AGC. 
- get_dvb_frontend
- Get DVB frontend. 
- get_i2c_adapter
- Get I2C adapter. 
- pid_filter
- Set PID to PID filter. 
- pid_filter_ctrl
- Control PID filter. 
- 
struct rtl2832_platform_data¶
- Platform data for the rtl2832 driver 
Definition:
struct rtl2832_platform_data {
    u32 clk;
#define RTL2832_TUNER_FC2580    0x21;
#define RTL2832_TUNER_TUA9001   0x24;
#define RTL2832_TUNER_FC0012    0x26;
#define RTL2832_TUNER_E4000     0x27;
#define RTL2832_TUNER_FC0013    0x29;
#define RTL2832_TUNER_R820T     0x2a;
#define RTL2832_TUNER_R828D     0x2b;
#define RTL2832_TUNER_SI2157    0x2c;
    u8 tuner;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
    struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
    int (*slave_ts_ctrl)(struct i2c_client *, bool);
    int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
    int (*pid_filter_ctrl)(struct dvb_frontend *, int);
};
Members
- clk
- Clock frequency (4000000, 16000000, 25000000, 28800000). 
- tuner
- Used tuner model. 
- get_dvb_frontend
- Get DVB frontend. 
- get_i2c_adapter
- Get I2C adapter. 
- slave_ts_ctrl
- Control slave TS interface. 
- pid_filter
- Set PID to PID filter. 
- pid_filter_ctrl
- Control PID filter. 
- 
struct rtl2832_sdr_platform_data¶
- Platform data for the rtl2832_sdr driver 
Definition:
struct rtl2832_sdr_platform_data {
    u32 clk;
#define RTL2832_SDR_TUNER_FC2580    0x21;
#define RTL2832_SDR_TUNER_TUA9001   0x24;
#define RTL2832_SDR_TUNER_FC0012    0x26;
#define RTL2832_SDR_TUNER_E4000     0x27;
#define RTL2832_SDR_TUNER_FC0013    0x29;
#define RTL2832_SDR_TUNER_R820T     0x2a;
#define RTL2832_SDR_TUNER_R828D     0x2b;
    u8 tuner;
    struct regmap *regmap;
    struct dvb_frontend *dvb_frontend;
    struct v4l2_subdev *v4l2_subdev;
    struct dvb_usb_device *dvb_usb_device;
};
Members
- clk
- Clock frequency (4000000, 16000000, 25000000, 28800000). 
- tuner
- Used tuner model. 
- regmap
- pointer to - struct regmap.
- dvb_frontend
- rtl2832 DVB frontend. 
- v4l2_subdev
- Tuner v4l2 controls. 
- dvb_usb_device
- DVB USB interface for USB streaming. 
- 
struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)¶
- Attach a stb6000 tuner to the supplied frontend structure. 
Parameters
- struct dvb_frontend *fe
- Frontend to attach to. 
- int addr
- i2c address of the tuner. 
- struct i2c_adapter *i2c
- i2c adapter to use. 
Return
FE pointer on success, NULL on failure.
- 
struct tda10071_platform_data¶
- Platform data for the tda10071 driver 
Definition:
struct tda10071_platform_data {
    u32 clk;
    u16 i2c_wr_max;
#define TDA10071_TS_SERIAL        0;
#define TDA10071_TS_PARALLEL      1;
    u8 ts_mode;
    bool spec_inv;
    u8 pll_multiplier;
    u8 tuner_i2c_addr;
    struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
};
Members
- clk
- Clock frequency. 
- i2c_wr_max
- Max bytes I2C adapter can write at once. 
- ts_mode
- TS mode. 
- spec_inv
- Input spectrum inversion. 
- pll_multiplier
- PLL multiplier. 
- tuner_i2c_addr
- CX24118A tuner I2C address (0x14, 0x54, ...). 
- get_dvb_frontend
- Get DVB frontend. 
- 
struct dvb_frontend *tda826x_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c, int has_loopthrough)¶
- Attach a tda826x tuner to the supplied frontend structure. 
Parameters
- struct dvb_frontend *fe
- Frontend to attach to. 
- int addr
- i2c address of the tuner. 
- struct i2c_adapter *i2c
- i2c adapter to use. 
- int has_loopthrough
- Set to 1 if the card has a loopthrough RF connector. 
Return
FE pointer on success, NULL on failure.
- 
struct zd1301_demod_platform_data¶
- Platform data for the zd1301_demod driver 
Definition:
struct zd1301_demod_platform_data {
    void *reg_priv;
    int (*reg_read)(void *, u16, u8 *);
    int (*reg_write)(void *, u16, u8);
};
Members
- reg_priv
- First argument of reg_read and reg_write callbacks. 
- reg_read
- Register read callback. 
- reg_write
- Register write callback. 
- 
struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *pdev)¶
- Get pointer to DVB frontend 
Parameters
- struct platform_device *pdev
- Pointer to platform device 
Return
Pointer to DVB frontend which given platform device owns.
- 
struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *pdev)¶
- Get pointer to I2C adapter 
Parameters
- struct platform_device *pdev
- Pointer to platform device 
Return
Pointer to I2C adapter which given platform device owns.
- 
struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe, const struct zl10036_config *config, struct i2c_adapter *i2c)¶
- Attach a zl10036 tuner to the supplied frontend structure. 
Parameters
- struct dvb_frontend *fe
- Frontend to attach to. 
- const struct zl10036_config *config
- zl10036_config structure. 
- struct i2c_adapter *i2c
- pointer to struct i2c_adapter. 
Return
FE pointer on success, NULL on failure.