LXR linux/drivers/media/dvb-frontends/s5h1409.h

   1/*
   2    Samsung S5H1409 VSB/QAM demodulator driver
   3
   4    Copyright (C) 2006 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 __S5H1409_H__
  23#define __S5H1409_H__
  24
  25#include <linux/dvb/frontend.h>
  26
  27struct s5h1409_config {
  28        /* the demodulator's i2c address */
  29        u8 demod_address;
  30
  31        /* serial/parallel output */
  32#define S5H1409_PARALLEL_OUTPUT 0
  33#define S5H1409_SERIAL_OUTPUT   1
  34        u8 output_mode;
  35
  36        /* GPIO Setting */
  37#define S5H1409_GPIO_OFF 0
  38#define S5H1409_GPIO_ON  1
  39        u8 gpio;
  40
  41        /* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
  42        u16 qam_if;
  43
  44        /* Spectral Inversion */
  45#define S5H1409_INVERSION_OFF 0
  46#define S5H1409_INVERSION_ON  1
  47        u8 inversion;
  48
  49        /* Return lock status based on tuner lock, or demod lock */
  50#define S5H1409_TUNERLOCKING 0
  51#define S5H1409_DEMODLOCKING 1
  52        u8 status_mode;
  53
  54        /* MPEG signal timing */
  55#define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
  56#define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
  57#define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
  58#define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
  59        u16 mpeg_timing;
  60
  61        /* HVR-1600 optimizations (to better work with MXL5005s)
  62           Note: some of these are likely to be folded into the generic driver
  63           after being regression tested with other boards */
  64#define S5H1409_HVR1600_NOOPTIMIZE 0
  65#define S5H1409_HVR1600_OPTIMIZE   1
  66        u8 hvr1600_opt;
  67};
  68
  69#if IS_REACHABLE(CONFIG_DVB_S5H1409)
  70extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
  71                                           struct i2c_adapter *i2c);
  72#else
  73static inline struct dvb_frontend *s5h1409_attach(
  74        const struct s5h1409_config *config,
  75        struct i2c_adapter *i2c)
  76{
  77        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  78        return NULL;
  79}
  80#endif /* CONFIG_DVB_S5H1409 */
  81
  82#endif /* __S5H1409_H__ */
  83