LXR linux/drivers/media/tuners/tda8290.h

   1/*
   2    This program is free software; you can redistribute it and/or modify
   3    it under the terms of the GNU General Public License as published by
   4    the Free Software Foundation; either version 2 of the License, or
   5    (at your option) any later version.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15*/
  16
  17#ifndef __TDA8290_H__
  18#define __TDA8290_H__
  19
  20#include <linux/i2c.h>
  21#include <media/dvb_frontend.h>
  22#include "tda18271.h"
  23
  24enum tda8290_lna {
  25        TDA8290_LNA_OFF = 0,
  26        TDA8290_LNA_GP0_HIGH_ON = 1,
  27        TDA8290_LNA_GP0_HIGH_OFF = 2,
  28        TDA8290_LNA_ON_BRIDGE = 3,
  29};
  30
  31struct tda829x_config {
  32        enum tda8290_lna lna_cfg;
  33
  34        unsigned int probe_tuner:1;
  35#define TDA829X_PROBE_TUNER 0
  36#define TDA829X_DONT_PROBE  1
  37        unsigned int no_i2c_gate:1;
  38        struct tda18271_std_map *tda18271_std_map;
  39};
  40
  41#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA8290)
  42extern int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr);
  43
  44extern struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  45                                           struct i2c_adapter *i2c_adap,
  46                                           u8 i2c_addr,
  47                                           struct tda829x_config *cfg);
  48#else
  49static inline int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
  50{
  51        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  52        return -EINVAL;
  53}
  54
  55static inline struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  56                                                  struct i2c_adapter *i2c_adap,
  57                                                  u8 i2c_addr,
  58                                                  struct tda829x_config *cfg)
  59{
  60        printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  61               __func__);
  62        return NULL;
  63}
  64#endif
  65
  66#endif /* __TDA8290_H__ */
  67