LXR linux/drivers/media/dvb-frontends/tda1002x.h

   1/*
   2    TDA10021/TDA10023  - Single Chip Cable Channel Receiver driver module
   3                         used on the the Siemens DVB-C cards
   4
   5    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
   6    Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
   7                   Support for TDA10021
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22*/
  23
  24#ifndef TDA1002x_H
  25#define TDA1002x_H
  26
  27#include <linux/dvb/frontend.h>
  28
  29struct tda1002x_config {
  30        /* the demodulator's i2c address */
  31        u8 demod_address;
  32        u8 invert;
  33};
  34
  35enum tda10023_output_mode {
  36        TDA10023_OUTPUT_MODE_PARALLEL_A = 0xe0,
  37        TDA10023_OUTPUT_MODE_PARALLEL_B = 0xa1,
  38        TDA10023_OUTPUT_MODE_PARALLEL_C = 0xa0,
  39        TDA10023_OUTPUT_MODE_SERIAL, /* TODO: not implemented */
  40};
  41
  42struct tda10023_config {
  43        /* the demodulator's i2c address */
  44        u8 demod_address;
  45        u8 invert;
  46
  47        /* clock settings */
  48        u32 xtal; /* defaults: 28920000 */
  49        u8 pll_m; /* defaults: 8 */
  50        u8 pll_p; /* defaults: 4 */
  51        u8 pll_n; /* defaults: 1 */
  52
  53        /* MPEG2 TS output mode */
  54        u8 output_mode;
  55
  56        /* input freq offset + baseband conversion type */
  57        u16 deltaf;
  58};
  59
  60#if IS_REACHABLE(CONFIG_DVB_TDA10021)
  61extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
  62                                            struct i2c_adapter* i2c, u8 pwm);
  63#else
  64static inline struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
  65                                            struct i2c_adapter* i2c, u8 pwm)
  66{
  67        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  68        return NULL;
  69}
  70#endif // CONFIG_DVB_TDA10021
  71
  72#if IS_REACHABLE(CONFIG_DVB_TDA10023)
  73extern struct dvb_frontend *tda10023_attach(
  74        const struct tda10023_config *config,
  75        struct i2c_adapter *i2c, u8 pwm);
  76#else
  77static inline struct dvb_frontend *tda10023_attach(
  78        const struct tda10023_config *config,
  79        struct i2c_adapter *i2c, u8 pwm)
  80{
  81        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  82        return NULL;
  83}
  84#endif // CONFIG_DVB_TDA10023
  85
  86#endif // TDA1002x_H
  87