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
  29 struct tda1002x_config {
  30         /* the demodulator's i2c address */
  31         u8 demod_address;
  32         u8 invert;
  33 };
  34
  35 enum 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
  42 struct 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)
  61 extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
  62                                             struct i2c_adapter* i2c, u8 pwm);
  63 #else
  64 static 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)
  73 extern struct dvb_frontend *tda10023_attach(
  74         const struct tda10023_config *config,
  75         struct i2c_adapter *i2c, u8 pwm);
  76 #else
  77 static 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