drivers/media/dvb-frontends/dib0070.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
   4  *
   5  * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
   6  */
   7 #ifndef DIB0070_H
   8 #define DIB0070_H
   9
  10 struct dvb_frontend;
  11 struct i2c_adapter;
  12
  13 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60
  14
  15 struct dib0070_wbd_gain_cfg {
  16         u16 freq;
  17         u16 wbd_gain_val;
  18 };
  19
  20 struct dib0070_config {
  21         u8 i2c_address;
  22
  23         /* tuner pins controlled externally */
  24         int (*reset) (struct dvb_frontend *, int);
  25         int (*sleep) (struct dvb_frontend *, int);
  26
  27         /*  offset in kHz */
  28         int freq_offset_khz_uhf;
  29         int freq_offset_khz_vhf;
  30
  31         u8 osc_buffer_state;    /* 0= normal, 1= tri-state */
  32         u32 clock_khz;
  33         u8 clock_pad_drive;     /* (Drive + 1) * 2mA */
  34
  35         u8 invert_iq;           /* invert Q - in case I or Q is inverted on the board */
  36
  37         u8 force_crystal_mode;  /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
  38
  39         u8 flip_chip;
  40         u8 enable_third_order_filter;
  41         u8 charge_pump;
  42
  43         const struct dib0070_wbd_gain_cfg *wbd_gain;
  44
  45         u8 vga_filter;
  46 };
  47
  48 #if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0070)
  49 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
  50 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
  51 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
  52 extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
  53 extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
  54 #else
  55 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
  56 {
  57         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  58         return NULL;
  59 }
  60
  61 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
  62 {
  63         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  64         return 0;
  65 }
  66
  67 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
  68 {
  69         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  70 }
  71 #endif
  72
  73 #endif