drivers/media/dvb/frontends/tda10048.h

   1 /*
   2     NXP TDA10048HN DVB OFDM demodulator driver
   3
   4     Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
   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
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20 */
  21
  22 #ifndef TDA10048_H
  23 #define TDA10048_H
  24
  25 #include <linux/dvb/frontend.h>
  26 #include <linux/firmware.h>
  27
  28 struct tda10048_config {
  29
  30         /* the demodulator's i2c address */
  31         u8 demod_address;
  32
  33         /* serial/parallel output */
  34 #define TDA10048_PARALLEL_OUTPUT 0
  35 #define TDA10048_SERIAL_OUTPUT   1
  36         u8 output_mode;
  37
  38 #define TDA10048_BULKWRITE_200  200
  39 #define TDA10048_BULKWRITE_50   50
  40         u8 fwbulkwritelen;
  41
  42         /* Spectral Inversion */
  43 #define TDA10048_INVERSION_OFF 0
  44 #define TDA10048_INVERSION_ON  1
  45         u8 inversion;
  46 };
  47
  48 #if defined(CONFIG_DVB_TDA10048) || \
  49         (defined(CONFIG_DVB_TDA10048_MODULE) && defined(MODULE))
  50 extern struct dvb_frontend *tda10048_attach(
  51         const struct tda10048_config *config,
  52         struct i2c_adapter *i2c);
  53 #else
  54 static inline struct dvb_frontend *tda10048_attach(
  55         const struct tda10048_config *config,
  56         struct i2c_adapter *i2c)
  57 {
  58         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  59         return NULL;
  60 }
  61 #endif /* CONFIG_DVB_TDA10048 */
  62
  63 #endif /* TDA10048_H */