drivers/media/dvb-frontends/tda10071.h

   1 /*
   2  * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
   3  *
   4  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   5  *
   6  *    This program is free software; you can redistribute it and/or modify
   7  *    it under the terms of the GNU General Public License as published by
   8  *    the Free Software Foundation; either version 2 of the License, or
   9  *    (at your option) any later version.
  10  *
  11  *    This program is distributed in the hope that it will be useful,
  12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *    GNU General Public License for more details.
  15  *
  16  *    You should have received a copy of the GNU General Public License along
  17  *    with this program; if not, write to the Free Software Foundation, Inc.,
  18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef TDA10071_H
  22 #define TDA10071_H
  23
  24 #include <linux/kconfig.h>
  25 #include <linux/dvb/frontend.h>
  26
  27 struct tda10071_config {
  28         /* Demodulator I2C address.
  29          * Default: none, must set
  30          * Values: 0x55,
  31          */
  32         u8 demod_i2c_addr;
  33
  34         /* Tuner I2C address.
  35          * Default: none, must set
  36          * Values: 0x14, 0x54, ...
  37          */
  38         u8 tuner_i2c_addr;
  39
  40         /* Max bytes I2C provider can write at once.
  41          * Note: Buffer is taken from the stack currently!
  42          * Default: none, must set
  43          * Values:
  44          */
  45         u16 i2c_wr_max;
  46
  47         /* TS output mode.
  48          * Default: TDA10071_TS_SERIAL
  49          * Values:
  50          */
  51 #define TDA10071_TS_SERIAL        0
  52 #define TDA10071_TS_PARALLEL      1
  53         u8 ts_mode;
  54
  55         /* Input spectrum inversion.
  56          * Default: 0
  57          * Values: 0, 1
  58          */
  59         bool spec_inv;
  60
  61         /* Xtal frequency Hz
  62          * Default: none, must set
  63          * Values:
  64          */
  65         u32 xtal;
  66
  67         /* PLL multiplier.
  68          * Default: none, must set
  69          * Values:
  70          */
  71         u8 pll_multiplier;
  72 };
  73
  74
  75 #if IS_ENABLED(CONFIG_DVB_TDA10071)
  76 extern struct dvb_frontend *tda10071_attach(
  77         const struct tda10071_config *config, struct i2c_adapter *i2c);
  78 #else
  79 static inline struct dvb_frontend *tda10071_attach(
  80         const struct tda10071_config *config, struct i2c_adapter *i2c)
  81 {
  82         dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
  83         return NULL;
  84 }
  85 #endif
  86
  87 #endif /* TDA10071_H */