drivers/media/dvb/frontends/dib0070.h

   1 /*
   2  * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
   3  *
   4  * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  *      modify it under the terms of the GNU General Public License as
   8  *      published by the Free Software Foundation, version 2.
   9  */
  10 #ifndef DIB0070_H
  11 #define DIB0070_H
  12
  13 struct dvb_frontend;
  14 struct i2c_adapter;
  15
  16 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60
  17
  18 struct dib0070_config {
  19         u8 i2c_address;
  20
  21         /* tuner pins controlled externally */
  22         int (*reset) (struct dvb_frontend *, int);
  23         int (*sleep) (struct dvb_frontend *, int);
  24
  25         /*  offset in kHz */
  26         int freq_offset_khz_uhf;
  27         int freq_offset_khz_vhf;
  28
  29         u8 osc_buffer_state; /* 0= normal, 1= tri-state */
  30         u32  clock_khz;
  31         u8 clock_pad_drive; /* (Drive + 1) * 2mA */
  32
  33         u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
  34
  35         u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
  36
  37         u8 flip_chip;
  38 };
  39
  40 #if defined(CONFIG_DVB_TUNER_DIB0070) || (defined(CONFIG_DVB_TUNER_DIB0070_MODULE) && defined(MODULE))
  41 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
  42                                            struct i2c_adapter *i2c,
  43                                            struct dib0070_config *cfg);
  44 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
  45 #else
  46 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
  47                                                   struct i2c_adapter *i2c,
  48                                                   struct dib0070_config *cfg)
  49 {
  50         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  51         return NULL;
  52 }
  53
  54 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
  55 {
  56         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  57         return -ENODEV;
  58 }
  59 #endif
  60
  61 #endif