drivers/media/common/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 "dvb_frontend.h"
  22
  23 struct tda829x_config {
  24         unsigned int lna_cfg;
  25         int (*tuner_callback) (void *dev, int command, int arg);
  26
  27         unsigned int probe_tuner:1;
  28 #define TDA829X_PROBE_TUNER 0
  29 #define TDA829X_DONT_PROBE  1
  30 };
  31
  32 #if defined(CONFIG_MEDIA_TUNER_TDA8290) || (defined(CONFIG_MEDIA_TUNER_TDA8290_MODULE) && defined(MODULE))
  33 extern int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr);
  34
  35 extern struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  36                                            struct i2c_adapter *i2c_adap,
  37                                            u8 i2c_addr,
  38                                            struct tda829x_config *cfg);
  39 #else
  40 static inline int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
  41 {
  42         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  43         return -EINVAL;
  44 }
  45
  46 static inline struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  47                                                   struct i2c_adapter *i2c_adap,
  48                                                   u8 i2c_addr,
  49                                                   struct tda829x_config *cfg)
  50 {
  51         printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  52                __func__);
  53         return NULL;
  54 }
  55 #endif
  56
  57 #endif /* __TDA8290_H__ */